Attachment #269829 for bug #153414

View Details Raw Unified Return to Bug 153414

| Differences between



2016-01-25  Myles C. Maxfield  <mmaxfield@apple.com>

        Modularize CSSFontFaceSource
        https://bugs.webkit.org/show_bug.cgi?id=153414

        Reviewed by NOBODY (OOPS!).

        No new tests because there is no behavior change.

        * WebCore.xcodeproj/project.pbxproj:
        * css/ByteBasedFontFaceSource.cpp: Added.
        (WebCore::ByteBasedFontFaceSource::ByteBasedFontFaceSource):
        (WebCore::convertWOFF):
        (WebCore::getSVGFontById):
        (WebCore::convertSVGFont):
        (WebCore::ByteBasedFontFaceSource::bufferProvided):
        (WebCore::ByteBasedFontFaceSource::createFont):
        * css/ByteBasedFontFaceSource.h: Copied from Source/WebCore/loader/cache/CachedFontClient.h.
        * css/CSSFontFaceSource.cpp:
        (WebCore::CSSFontFaceSource::fontLoaded):
        (WebCore::CSSFontFaceSource::font):
        (WebCore::CSSFontFaceSource::CSSFontFaceSource): Deleted.
        * css/CSSFontFaceSource.h:
        * css/CSSFontSelector.cpp:
        (WebCore::createFontFace):
        * css/CachedRemoteFontFaceSource.cpp: Copied from Source/WebCore/loader/cache/CachedFontClient.h.
        (WebCore::CachedRemoteFontFaceSource::CachedRemoteFontFaceSource):
        (WebCore::CachedRemoteFontFaceSource::initiateLoad):
        (WebCore::CachedRemoteFontFaceSource::fontLoaded):
        * css/CachedRemoteFontFaceSource.h: Copied from Source/WebCore/loader/cache/CachedFontClient.h.
        * css/FontFaceSource.cpp: Added.
        (WebCore::FontFaceSource::HashKey::HashKey):
        (WebCore::FontFaceSource::HashKey::isHashTableDeletedValue):
        (WebCore::FontFaceSource::HashKey::operator==):
        (WebCore::FontFaceSource::HashKey::operator!=):
        (WebCore::FontFaceSource::HashKey::hash):
        (WebCore::FontFaceSource::HashKey::equal):
        (WebCore::FontFaceSource::FontFaceSource):
        (WebCore::FontFaceSource::load):
        (WebCore::FontFaceSource::font):
        * css/FontFaceSource.h: Added.
        (WebCore::FontFaceSource::~FontFaceSource):
        (WebCore::FontFaceSource::state):
        (WebCore::FontFaceSource::owner):
        (WebCore::FontFaceSource::setState):
        (WebCore::FontFaceSource::shouldCache):
        * css/ImmediateFontFaceSource.h: Copied from Source/WebCore/loader/cache/CachedFontClient.h.
        * css/InDocumentSVGFontFaceSource.cpp: Copied from Source/WebCore/loader/cache/CachedFontClient.h.
        (WebCore::InDocumentSVGFontFaceSource::InDocumentSVGFontFaceSource):
        (WebCore::InDocumentSVGFontFaceSource::initiateLoad):
        * css/InDocumentSVGFontFaceSource.h: Copied from Source/WebCore/loader/cache/CachedFontClient.h.
        * css/LocalFontFaceSource.cpp: Copied from Source/WebCore/loader/cache/CachedFontClient.h.
        (WebCore::LocalFontFaceSource::LocalFontFaceSource):
        (WebCore::LocalFontFaceSource::initiateLoad):
        (WebCore::LocalFontFaceSource::createFont):
        * css/LocalFontFaceSource.h: Copied from Source/WebCore/loader/cache/CachedFontClient.h.
        * css/UncachedRemoteFontFaceSource.cpp: Added.
        (WebCore::UncachedRemoteFontFaceSource::Listener::Listener):
        (WebCore::UncachedRemoteFontFaceSource::Listener::handleEvent):
        (WebCore::UncachedRemoteFontFaceSource::Listener::operator==):
        (WebCore::UncachedRemoteFontFaceSource::UncachedRemoteFontFaceSource):
        (WebCore::UncachedRemoteFontFaceSource::initiateLoad):
        (WebCore::UncachedRemoteFontFaceSource::loadFinished):
        * css/UncachedRemoteFontFaceSource.h: Added.
        * loader/cache/CachedFont.cpp:
        (WebCore::CachedFont::didAddClient):
        (WebCore::CachedFont::ensureCustomFontData):
        (WebCore::CachedFont::createFont):
        (WebCore::CachedFont::checkNotify):
        * loader/cache/CachedFont.h:
        (WebCore::CachedFont::setHasCreatedFontDataWrappingResource):
        * loader/cache/CachedFontClient.h:
        (WebCore::CachedFontClient::fontLoaded):
        * loader/cache/CachedSVGFont.cpp:
        (WebCore::CachedSVGFont::createFont):
        (WebCore::CachedSVGFont::ensureCustomFontData):
        * loader/cache/CachedSVGFont.h:
        * platform/graphics/mac/FontCustomPlatformData.cpp:
        (WebCore::FontCustomPlatformData::fontPlatformData):
        * platform/network/HTTPParsers.cpp:
        (WebCore::isValidHTTPToken):
        * platform/text/TextFlags.h:
        (WebCore::FontVariantSettings::operator==):
        (WebCore::FontVariantSettings::hash):

2016-01-25  Myles C. Maxfield  <mmaxfield@apple.com>

        Remove broken cache from CSSFontFaceSource
        https://bugs.webkit.org/show_bug.cgi?id=153440




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			);
			path = css;
			sourceTree = "<group>";

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				BC64B4D80CB4298A005F2B62 /* CSSFontFaceSource.h in Headers */,
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				A14832C7187F66C800DA63A6 /* WebCoreThread.h in Headers */,
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				A14832CA187F678000DA63A6 /* WebCoreThreadMessage.h in Headers */,

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				BC64B4D50CB4298A005F2B62 /* CSSFontFace.cpp in Sources */,
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				BC64B4D90CB4298A005F2B62 /* CSSFontFaceSrcValue.cpp in Sources */,
				4A6E9FC313C17D1D0046A7F8 /* CSSFontFeatureValue.cpp in Sources */,
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				3F2B33EC165AF15600E3987C /* DOMWebKitCSSViewportRule.mm in Sources */,
				8A195933147EA16E00D1EA61 /* DOMWebKitNamedFlow.mm in Sources */,
				C2C73BE61C55A11800DF6B6B /* CachedRemoteFontFaceSource.cpp in Sources */,
				31C0FF4D0E4CEFDD007D6FE5 /* DOMWebKitTransitionEvent.mm in Sources */,
				85C7F5E80AAFBAFB004014DD /* DOMWheelEvent.mm in Sources */,
				1403B99809EB13AF00797C7F /* DOMWindow.cpp in Sources */,

				085B92BA0EFDE73D00E6123C /* FormDataBuilder.cpp in Sources */,
				A8136D390973A8E700D74463 /* FormDataList.cpp in Sources */,
				7EE6846612D26E3800E79415 /* FormDataStreamCFNet.cpp in Sources */,
				C2C73BD61C55671E00DF6B6B /* FontFaceSource.cpp in Sources */,
				514C764F0CE9234E007EF3CD /* FormDataStreamMac.mm in Sources */,
				656D373B0ADBA5DE00A4554D /* FormState.cpp in Sources */,
				41885B9411B6FDA6003383BB /* FormSubmission.cpp in Sources */,

				1AD2316E0CD269E700C1F194 /* JSSQLTransactionCustom.cpp in Sources */,
				B59DD6A211902A52007E9684 /* JSSQLTransactionErrorCallback.cpp in Sources */,
				51E3F9D60DA05E1D00250911 /* JSStorage.cpp in Sources */,
				C2C73BF21C55C35C00DF6B6B /* InDocumentSVGFontFaceSource.cpp in Sources */,
				51D0C5160DAA90B7003B3831 /* JSStorageCustom.cpp in Sources */,
				51E0BAEA0DA55D4A00A9E417 /* JSStorageEvent.cpp in Sources */,
				0FF50269102BA9430066F39A /* JSStyleMedia.cpp in Sources */,

				F55B3DC51251F12D003EF269 /* MonthInputType.cpp in Sources */,
				85031B450A44EFC700F992E0 /* MouseEvent.cpp in Sources */,
				93EB355F09E37FD600F43799 /* MouseEventWithHitTestResults.cpp in Sources */,
				C2C73BDE1C558A3C00DF6B6B /* ByteBasedFontFaceSource.cpp in Sources */,
				85031B470A44EFC700F992E0 /* MouseRelatedEvent.cpp in Sources */,
				93309DFB099E64920056E581 /* MoveSelectionCommand.cpp in Sources */,
				FDB1700514A2BAB200A2B5D9 /* MultiChannelResampler.cpp in Sources */,

				1479FAEF109AE37500DED655 /* RenderRubyBase.cpp in Sources */,
				1479FAF1109AE37500DED655 /* RenderRubyRun.cpp in Sources */,
				1479FAF3109AE37500DED655 /* RenderRubyText.cpp in Sources */,
				C2C73BEA1C55A26E00DF6B6B /* UncachedRemoteFontFaceSource.cpp in Sources */,
				BC3BE9930E9C1C7C00835588 /* RenderScrollbar.cpp in Sources */,
				BC3BE9AB0E9C242000835588 /* RenderScrollbarPart.cpp in Sources */,
				BC3BE9A50E9C239600835588 /* RenderScrollbarTheme.cpp in Sources */,



/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "ByteBasedFontFaceSource.h"

#include "SVGDocument.h"
#include "SVGFontElement.h"
#include "SVGToOTFFontConversion.h"
#include "SharedBuffer.h"
#include "TypedElementDescendantIterator.h"

#include <runtime/ArrayBuffer.h>

namespace WebCore {

ByteBasedFontFaceSource::ByteBasedFontFaceSource(CSSFontFace& owner, const AtomicString& remoteURI, bool performConversion)
    : FontFaceSource(owner)
    , m_remoteURI(remoteURI)
    , m_performConversion(performConversion)
{
}

enum class WOFFConversionStatus {
    Unnecessary,
    Success,
    Failure
};

static WOFFConversionStatus convertWOFF(SharedBuffer& buffer, Vector<char>& result)
{
#if PLATFORM(COCOA)
    UNUSED_PARAM(buffer);
    UNUSED_PARAM(result);
    return WOFFConversionStatus::Unnecessary;
#else
    if (!isWOFF(&buffer))
        return Nullopt;
    if (!convertWOFFToSfnt(&buffer, result))
        return WOFFConversionStatus::Failure;
    result = WTF::move(convertedFont);
    return WOFFConversionStatus::Success;
#endif
}

static SVGFontElement* getSVGFontById(SVGDocument& externalSVGDocument, const String& fontName)
{
    auto elements = descendantsOfType<SVGFontElement>(externalSVGDocument);

    if (fontName.isEmpty())
        return elements.first();

    for (auto& element : elements) {
        if (element.getIdAttribute() == fontName)
            return &element;
    }
    return nullptr;
}

static Optional<Vector<char>> convertSVGFont(SharedBuffer& buffer, const AtomicString& remoteURI)
{
    RefPtr<SVGDocument> externalSVGDocument = SVGDocument::create(nullptr, URL());
    RefPtr<TextResourceDecoder> decoder = TextResourceDecoder::create("application/xml");
    externalSVGDocument->setContent(decoder->decodeAndFlush(buffer.data(), buffer.size()));
    if (decoder->sawError())
        return Nullopt;

    String fragmentIdentifier;
    size_t start = remoteURI.find('#');
    if (start != notFound)
        fragmentIdentifier = remoteURI.string().substring(start + 1);
    SVGFontElement* externalSVGFontElement = getSVGFontById(*externalSVGDocument, fragmentIdentifier);
    if (!externalSVGFontElement)
        return Nullopt;

    return convertSVGToOTFFont(*externalSVGFontElement);
}

void ByteBasedFontFaceSource::bufferProvided(JSC::ArrayBuffer& arrayBuffer)
{
    RefPtr<SharedBuffer> buffer = SharedBuffer::create(static_cast<const char*>(arrayBuffer.data()), arrayBuffer.byteLength());
    if (!buffer) {
        setState(State::Failed);
        return;
    }

    bufferProvided(*buffer);
}

bool ByteBasedFontFaceSource::bufferProvided(SharedBuffer& buffer)
{
    ASSERT(state() == State::Loading);
    bool wrapping = true;
    RefPtr<SharedBuffer> active = &buffer;

    if (m_performConversion) {
        // Step 1: Try to convert WOFF to SFNT.
        Vector<char> sfnt;
        switch (convertWOFF(buffer, sfnt)) {
        case WOFFConversionStatus::Unnecessary:
            break;
        case WOFFConversionStatus::Success:
            wrapping = false;
            active = SharedBuffer::adoptVector(sfnt);
            break;
        case WOFFConversionStatus::Failure:
            setState(State::Failed);
            return false;
        }

        // Step 2: Try to convert SVG to OTF.
        if (auto otf = convertSVGFont(*active, m_remoteURI)) {
            wrapping = false;
            active = SharedBuffer::adoptVector(otf.value());
        }
    }

    m_fontCustomPlatformData = createFontCustomPlatformData(*active);
    if (!m_fontCustomPlatformData) {
        setState(State::Failed);
        return false;
    }

    // Finally!!
    setState(State::Succeeded);

    return wrapping;
}

RefPtr<Font> ByteBasedFontFaceSource::createFont(const FontDescription& fontDescription, bool syntheticBold, bool syntheticItalic, const FontFeatureSettings& fontFaceFeatures, const FontVariantSettings& fontFaceVariantSettings)
{
#if PLATFORM(COCOA)
    return Font::create(m_fontCustomPlatformData->fontPlatformData(fontDescription, syntheticBold, syntheticItalic, fontFaceFeatures, fontFaceVariantSettings), true, false);
#else
    UNUSED_PARAM(fontFaceFeatures);
    UNUSED_PARAM(fontFaceVariantSettings);
    return Font::create(m_fontCustomPlatformData->fontPlatformData(fontDescription, bold, italic), true, false);
#endif
}

}



/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ByteBasedFontFaceSource_h
#define ByteBasedFontFaceSource_h

#include "FontCustomPlatformData.h"
#include "FontFaceSource.h"

namespace JSC {
class ArrayBuffer;
}

namespace WebCore {

class ByteBasedFontFaceSource : public FontFaceSource {
public:
    ByteBasedFontFaceSource(CSSFontFace& owner, const AtomicString& remoteURI = AtomicString(), bool performConversion = true);

protected:
    void bufferProvided(JSC::ArrayBuffer&);
    // Return value is whether or not I added a reference to the argument.
    bool bufferProvided(SharedBuffer&);

private:
    virtual RefPtr<Font> createFont(const FontDescription&, bool syntheticBold, bool syntheticItalic, const FontFeatureSettings&, const FontVariantSettings&) override;

    std::unique_ptr<FontCustomPlatformData> m_fontCustomPlatformData;
    AtomicString m_remoteURI;
    bool m_performConversion;
};

}

#endif



#include "config.h"
#include "CSSFontFace.h"

#include "CSSFontFaceSource.h"
#include "CSSFontSelector.h"
#include "CSSSegmentedFontFace.h"
#include "Document.h"


namespace WebCore {

bool CSSFontFace::allSourcesHaveFailed() const
{
    for (auto& source : m_sources) {
        if (source->state() != FontFaceSource::State::Failed)
            return false;
            return true;
    }
    return true;
}

void CSSFontFace::addedToSegmentedFontFace(CSSSegmentedFontFace* segmentedFontFace)

    m_segmentedFontFaces.remove(segmentedFontFace);
}

void CSSFontFace::addSource(std::unique_ptr<FontFaceSource>&& source)
{
    source->setFontFace(this);
    m_sources.append(WTFMove(source));
}

void CSSFontFace::kick(FontFaceSource&)
{
    if (source != m_activeSource)
        return;

    // FIXME: Can we assert that m_segmentedFontFaces is not empty? That may
    // require stopping in-progress font loading when the last
    // CSSSegmentedFontFace is removed.

    CSSFontSelector* fontSelector = (*m_segmentedFontFaces.begin())->fontSelector();
    fontSelector->fontLoaded();

#if ENABLE(FONT_LOAD_EVENTS)
    if (RuntimeEnabledFeatures::sharedFeatures().fontLoadEventsEnabled() && m_loadState == Loading) {
        if (source->ensureFontData())
            notifyFontLoader(Loaded);
        else if (!isValid())
            notifyFontLoader(Error);
    }
#endif

    for (auto* face : m_segmentedFontFaces)
        face->fontLoaded(this);

#if ENABLE(FONT_LOAD_EVENTS)
    if (RuntimeEnabledFeatures::sharedFeatures().fontLoadEventsEnabled())
        notifyLoadingDone();
#endif
}

RefPtr<Font> CSSFontFace::font(const FontDescription& fontDescription, bool syntheticBold, bool syntheticItalic)
{
    if (allSourcesHaveFailed())
        return nullptr;

    for (size_t index = 0; index < m_sources.size(); ) {
        switch (m_sources[index]->state()) {
        case FontFaceSource::State::Pending:
            m_sources[index]->load();
            break;
        case FontFaceSource::State::Loading:
            return Font::create(FontCache::singleton().lastResortFallbackFont(fontDescription)->platformData(), true, true);
        case FontFaceSource::State::Failed:
            ++index;
            break;
        case FontFaceSource::State::Succeeded:
            if (auto result = m_sources[index]->font(fontDescription, syntheticBold, syntheticItalic, m_featureSettings, m_variantSettings))
                return result;
            ++index;
            break;
                notifyFontLoader(Loaded);
                notifyLoadingDone();
            }
#endif
            return result.release();
        }
    }

#if ENABLE(FONT_LOAD_EVENTS)
    if (RuntimeEnabledFeatures::sharedFeatures().fontLoadEventsEnabled() && m_loadState == Loading) {
        notifyFontLoader(Error);
        notifyLoadingDone();
    }
#endif
    return nullptr;
}

#if ENABLE(FONT_LOAD_EVENTS)
void CSSFontFace::notifyFontLoader(LoadState newState)
{
    m_loadState = newState;

    Document* document = (*m_segmentedFontFaces.begin())->fontSelector()->document();
    if (!document)
        return;

    switch (newState) {
    case Loading:
        document->fonts()->beginFontLoading(m_rule.get());
        break;
    case Loaded:
        document->fonts()->fontLoaded(m_rule.get());
        break;
    case Error:
        document->fonts()->loadError(m_rule.get(), m_activeSource);
        break;
    default:
        break;
    }
}

void CSSFontFace::notifyLoadingDone()
{
    Document* document = (*m_segmentedFontFaces.begin())->fontSelector()->document();
    if (document)
        document->fonts()->loadingDone();
}
#endif

#if ENABLE(SVG_FONTS)
bool CSSFontFace::hasSVGFontFaceSource() const
{
    size_t size = m_sources.size();
    for (size_t i = 0; i < size; i++) {
        if (m_sources[i]->isSVGFontFaceSource())
            return true;
    }
    return false;
}
#endif

}



#ifndef CSSFontFace_h
#define CSSFontFace_h

#include "FontFaceSource.h"
#include "CSSFontFaceSource.h"
#include "FontFeatureSettings.h"
#include "TextFlags.h"
#include <memory>


class CSSFontFace : public RefCounted<CSSFontFace> {
public:
    static Ref<CSSFontFace> create(FontTraitsMask traitsMask, bool isLocalFallback = false) { return adoptRef(*new CSSFontFace(traitsMask, isLocalFallback)); }

    FontTraitsMask traitsMask() const { return m_traitsMask; }


    void addedToSegmentedFontFace(CSSSegmentedFontFace*);
    void removedFromSegmentedFontFace(CSSSegmentedFontFace*);

    bool allSourcesHaveFailed() const;

    bool isLocalFallback() const { return m_isLocalFallback; }

    void addSource(std::unique_ptr<FontFaceSource>&&);

    // Something asynchronous happened (but nothing in particular; if you want to know, you have to figure it out yourself).
    void kick(FontFaceSource&);

    RefPtr<Font> font(const FontDescription&, bool syntheticBold, bool syntheticItalic);


        UChar32 m_to;
    };

#if ENABLE(SVG_FONTS)
    bool hasSVGFontFaceSource() const;
#endif

#if ENABLE(FONT_LOAD_EVENTS)
    enum LoadState { NotLoaded, Loading, Loaded, Error };
    LoadState loadState() const { return m_loadState; }
#endif

private:
    CSSFontFace(FontTraitsMask traitsMask, bool isLocalFallback)
        : m_traitsMask(traitsMask)
        , m_activeSource(0)
        , m_isLocalFallback(isLocalFallback)
#if ENABLE(FONT_LOAD_EVENTS)
        , m_loadState(isLocalFallback ? Loaded : NotLoaded)
        , m_rule(rule)
#endif
    {
        UNUSED_PARAM(rule);
    }

    FontTraitsMask m_traitsMask;

    HashSet<CSSSegmentedFontFace*> m_segmentedFontFaces;
    FontFeatureSettings m_featureSettings;
    FontVariantSettings m_variantSettings;
    Vector<std::unique_ptr<FontFaceSource>> m_sources;
    CSSFontFaceSource* m_activeSource;
    bool m_isLocalFallback;
#if ENABLE(FONT_LOAD_EVENTS)
    LoadState m_loadState;
    RefPtr<CSSFontFaceRule> m_rule;
    void notifyFontLoader(LoadState);
    void notifyLoadingDone();
#endif
};

}



/*
 * Copyright (C) 2007, 2008, 2010, 2011 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "CSSFontFaceSource.h"

#include "CSSFontFace.h"
#include "CSSFontSelector.h"
#include "CachedFont.h"
#include "CachedResourceLoader.h"
#include "Document.h"
#include "ElementIterator.h"
#include "Font.h"
#include "FontCache.h"
#include "FontDescription.h"

#if ENABLE(SVG_OTF_CONVERTER)
#include "FontCustomPlatformData.h"
#include "SVGToOTFFontConversion.h"
#endif

#if ENABLE(SVG_FONTS)
#include "CachedSVGFont.h"
#include "FontCustomPlatformData.h"
#include "SVGFontData.h"
#include "SVGFontElement.h"
#include "SVGFontFaceElement.h"
#include "SVGNames.h"
#include "SVGURIReference.h"
#endif

namespace WebCore {

CSSFontFaceSource::CSSFontFaceSource(const String& str, CachedFont* font)
    : m_string(str)
    , m_font(font)
    , m_face(0)
{
    if (m_font)
        m_font->addClient(this);
}

CSSFontFaceSource::~CSSFontFaceSource()
{
    if (m_font)
        m_font->removeClient(this);
}

bool CSSFontFaceSource::isValid() const
{
    if (m_font)
        return !m_font->errorOccurred();
    return true;
}

void CSSFontFaceSource::fontLoaded(CachedFont*)
{
    if (m_face)
        m_face->fontLoaded(this);
}

RefPtr<Font> CSSFontFaceSource::font(const FontDescription& fontDescription, bool syntheticBold, bool syntheticItalic, CSSFontSelector* fontSelector, const FontFeatureSettings& fontFaceFeatures, const FontVariantSettings& fontFaceVariantSettings)
{
    // If the font hasn't loaded or an error occurred, then we've got nothing.
    if (!isValid())
        return nullptr;

    if (!m_font
#if ENABLE(SVG_FONTS)
            && !m_svgFontFaceElement
#endif
    ) {
        // We're local. Just return a Font from the normal cache.
        // We don't want to check alternate font family names here, so pass true as the checkingAlternateName parameter.
        return FontCache::singleton().fontForFamily(fontDescription, m_string, true);
    }

    if (!m_font || m_font->isLoaded()) {
        if (m_font) {
            if (!m_font->ensureCustomFontData(m_string))
                return nullptr;

            return m_font->createFont(fontDescription, m_string, syntheticBold, syntheticItalic, fontFaceFeatures, fontFaceVariantSettings);
        } else {
#if ENABLE(SVG_FONTS)
            // In-Document SVG Fonts
            if (m_svgFontFaceElement) {
#if ENABLE(SVG_OTF_CONVERTER)
                if (!m_svgFontFaceElement->parentNode() || !is<SVGFontElement>(m_svgFontFaceElement->parentNode()))
                    return nullptr;
                SVGFontElement& fontElement = downcast<SVGFontElement>(*m_svgFontFaceElement->parentNode());
                // FIXME: Re-run this when script modifies the element or any of its descendents
                // FIXME: We might have already converted this font. Make existing conversions discoverable.
                if (auto otfFont = convertSVGToOTFFont(fontElement))
                    m_generatedOTFBuffer = SharedBuffer::adoptVector(otfFont.value());
                if (!m_generatedOTFBuffer)
                    return nullptr;
                auto customPlatformData = createFontCustomPlatformData(*m_generatedOTFBuffer);
                if (!customPlatformData)
                    return nullptr;
                return Font::create(customPlatformData->fontPlatformData(fontDescription, syntheticBold, syntheticItalic, fontFaceFeatures, fontFaceVariantSettings), true, false);
#else
                return Font::create(std::make_unique<SVGFontData>(m_svgFontFaceElement.get()), fontDescription.computedPixelSize(), syntheticBold, syntheticItalic);
#endif
            }
#endif
            return nullptr;
        }
    } else {
        // Kick off the load. Do it soon rather than now, because we may be in the middle of layout,
        // and the loader may invoke arbitrary delegate or event handler code.
        fontSelector->beginLoadingFontSoon(m_font.get());

        return Font::create(FontCache::singleton().lastResortFallbackFont(fontDescription)->platformData(), true, true);
    }
}

#if ENABLE(SVG_FONTS)
bool CSSFontFaceSource::isSVGFontFaceSource() const
{
    return m_svgFontFaceElement || is<CachedSVGFont>(m_font.get());
}
#endif

#if ENABLE(FONT_LOAD_EVENTS)
bool CSSFontFaceSource::isDecodeError() const
{
    if (m_font)
        return m_font->status() == CachedResource::DecodeError;
    return false;
}

bool CSSFontFaceSource::ensureFontData()
{
    if (!m_font)
        return false;
    return m_font->ensureCustomFontData(m_hasExternalSVGFont, m_string);
}
#endif

}



/*
 * Copyright (C) 2007, 2008, 2011 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef CSSFontFaceSource_h
#define CSSFontFaceSource_h

#include "CachedFontClient.h"
#include "CachedResourceHandle.h"
#include "SharedBuffer.h"
#if ENABLE(SVG_FONTS)
#include "SVGFontElement.h"
#include "SVGFontFaceElement.h"
#endif
#include "Timer.h"
#include <wtf/text/AtomicString.h>

namespace WebCore {

class CSSFontFace;
class CSSFontSelector;
class Font;
class FontDescription;
class FontFeatureSettings;
struct FontVariantSettings;

class CSSFontFaceSource final : public CachedFontClient {
    WTF_MAKE_FAST_ALLOCATED;
public:
    CSSFontFaceSource(const String&, CachedFont* = nullptr);
    virtual ~CSSFontFaceSource();

    bool isValid() const;

    const AtomicString& string() const { return m_string; }

    void setFontFace(CSSFontFace* face) { m_face = face; }

    virtual void fontLoaded(CachedFont*) override;

    RefPtr<Font> font(const FontDescription&, bool syntheticBold, bool syntheticItalic, CSSFontSelector*, const FontFeatureSettings&, const FontVariantSettings&);

    void pruneTable();

#if ENABLE(SVG_FONTS)
    SVGFontFaceElement* svgFontFaceElement() const { return m_svgFontFaceElement.get(); }
    void setSVGFontFaceElement(PassRefPtr<SVGFontFaceElement> element) { m_svgFontFaceElement = element; }
    bool isSVGFontFaceSource() const;
#endif

#if ENABLE(FONT_LOAD_EVENTS)
    bool isDecodeError() const;
    bool ensureFontData();
#endif

private:
    void startLoadingTimerFired();

    AtomicString m_string; // URI for remote, built-in font name for local.
    CachedResourceHandle<CachedFont> m_font; // For remote fonts, a pointer to our cached resource.
    CSSFontFace* m_face; // Our owning font face.

#if ENABLE(SVG_OTF_CONVERTER)
    RefPtr<SharedBuffer> m_generatedOTFBuffer;
#endif

#if ENABLE(SVG_FONTS) || ENABLE(SVG_OTF_CONVERTER)
    RefPtr<SVGFontFaceElement> m_svgFontFaceElement;
#endif
};

}

#endif

Lines 27-36 a/Source/WebCore/css/CSSFontSelector.cpp_sec1
- a/Source/WebCore/css/CSSFontSelector.cpp -23 / +20 lines
27	#include "config.h"	27	#include "config.h"
28	#include "CSSFontSelector.h"	28	#include "CSSFontSelector.h"
29		29
30	#include "CachedFont.h"
31	#include "CSSFontFace.h"	30	#include "CSSFontFace.h"
32	#include "CSSFontFaceRule.h"	31	#include "CSSFontFaceRule.h"
33	#include "CSSFontFaceSource.h"
34	#include "CSSFontFaceSrcValue.h"	32	#include "CSSFontFaceSrcValue.h"
35	#include "CSSFontFamily.h"	33	#include "CSSFontFamily.h"
36	#include "CSSFontFeatureValue.h"	34	#include "CSSFontFeatureValue.h"
Lines 41-46 a/Source/WebCore/css/CSSFontSelector.cpp_sec2
41	#include "CSSUnicodeRangeValue.h"	39	#include "CSSUnicodeRangeValue.h"
42	#include "CSSValueKeywords.h"	40	#include "CSSValueKeywords.h"
43	#include "CSSValueList.h"	41	#include "CSSValueList.h"
		42	#include "CachedFont.h"
		43	#include "CachedRemoteFontFaceSource.h"
44	#include "CachedResourceLoader.h"	44	#include "CachedResourceLoader.h"
45	#include "Document.h"	45	#include "Document.h"
46	#include "Font.h"	46	#include "Font.h"
Lines 48-53 a/Source/WebCore/css/CSSFontSelector.cpp_sec3
48	#include "FontVariantBuilder.h"	48	#include "FontVariantBuilder.h"
49	#include "Frame.h"	49	#include "Frame.h"
50	#include "FrameLoader.h"	50	#include "FrameLoader.h"
		51	#include "InDocumentSVGFontFaceSource.h"
		52	#include "LocalFontFaceSource.h"
51	#include "SVGFontFaceElement.h"	53	#include "SVGFontFaceElement.h"
52	#include "SVGNames.h"	54	#include "SVGNames.h"
53	#include "Settings.h"	55	#include "Settings.h"
Lines 152-167 static Optional<FontTraitsMask> computeTraitsMask(const StyleProperties& style) a/Source/WebCore/css/CSSFontSelector.cpp_sec4
152	return static_cast<FontTraitsMask>(traitsMask);	154	return static_cast<FontTraitsMask>(traitsMask);
153	}	155	}
154		156
155	static Ref<CSSFontFace> createFontFace(CSSValueList& srcList, FontTraitsMask traitsMask, Document* document, const StyleRuleFontFace& fontFaceRule, bool isInitiatingElementInUserAgentShadowTree)	157	static Ref<CSSFontFace> createFontFace(CSSValueList& srcList, FontTraitsMask traitsMask, Document* document, CSSFontSelector& fontSelector, bool isInitiatingElementInUserAgentShadowTree)
156	{	158	{
157	RefPtr<CSSFontFaceRule> rule;	159	RefPtr<CSSFontFaceRule> rule;
158	#if ENABLE(FONT_LOAD_EVENTS)
159	// FIXME: https://bugs.webkit.org/show_bug.cgi?id=112116 - This CSSFontFaceRule has no parent.
160	if (RuntimeEnabledFeatures::sharedFeatures().fontLoadEventsEnabled())
161	rule = static_pointer_cast<CSSFontFaceRule>(fontFaceRule.createCSSOMWrapper());
162	#else
163	UNUSED_PARAM(fontFaceRule);
164	#endif
165	Ref<CSSFontFace> fontFace = CSSFontFace::create(traitsMask, WTFMove(rule));	160	Ref<CSSFontFace> fontFace = CSSFontFace::create(traitsMask, WTFMove(rule));
166		161
167	int srcLength = srcList.length();	162	int srcLength = srcList.length();
Lines 171-177 static Ref<CSSFontFace> createFontFace(CSSValueList& srcList, FontTraitsMask tra a/Source/WebCore/css/CSSFontSelector.cpp_sec5
171	for (int i = 0; i < srcLength; i++) {	166	for (int i = 0; i < srcLength; i++) {
172	// An item in the list either specifies a string (local font name) or a URL (remote font to download).	167	// An item in the list either specifies a string (local font name) or a URL (remote font to download).
173	CSSFontFaceSrcValue& item = downcast<CSSFontFaceSrcValue>(*srcList.itemWithoutBoundsCheck(i));	168	CSSFontFaceSrcValue& item = downcast<CSSFontFaceSrcValue>(*srcList.itemWithoutBoundsCheck(i));
174	std::unique_ptr<CSSFontFaceSource> source;	169	std::unique_ptr<FontFaceSource> source;
175		170
176	#if ENABLE(SVG_FONTS)	171	#if ENABLE(SVG_FONTS)
177	foundSVGFont = item.isSVGFontFaceSrc() \|\| item.svgFontFaceElement();	172	foundSVGFont = item.isSVGFontFaceSrc() \|\| item.svgFontFaceElement();
Lines 181-197 static Ref<CSSFontFace> createFontFace(CSSValueList& srcList, FontTraitsMask tra a/Source/WebCore/css/CSSFontSelector.cpp_sec6
181	bool allowDownloading = foundSVGFont \|\| (settings && settings->downloadableBinaryFontsEnabled());	176	bool allowDownloading = foundSVGFont \|\| (settings && settings->downloadableBinaryFontsEnabled());
182	if (allowDownloading && item.isSupportedFormat() && document) {	177	if (allowDownloading && item.isSupportedFormat() && document) {
183	if (CachedFont* cachedFont = item.cachedFont(document, foundSVGFont, isInitiatingElementInUserAgentShadowTree))	178	if (CachedFont* cachedFont = item.cachedFont(document, foundSVGFont, isInitiatingElementInUserAgentShadowTree))
184	source = std::make_unique<CSSFontFaceSource>(item.resource(), cachedFont);	179	source = std::make_unique<CachedRemoteFontFaceSource>(fontFace, fontSelector, *cachedFont, item.resource());
185	}	180	}
186	} else	181	} else {
187	source = std::make_unique<CSSFontFaceSource>(item.resource());
188
189	if (source) {
190	#if ENABLE(SVG_FONTS)	182	#if ENABLE(SVG_FONTS)
191	source->setSVGFontFaceElement(item.svgFontFaceElement());	183	if (auto* fontFaceElement = item.svgFontFaceElement())
		184	source = std::make_unique<InDocumentSVGFontFaceSource>(fontFace, *fontFaceElement, item.resource());
		185	else
192	#endif	186	#endif
193	fontFace->addSource(WTFMove(source));	187	source = std::make_unique<LocalFontFaceSource>(fontFace, item.resource());
194	}	188	}
		189
		190	if (source)
		191	fontFace->addSource(WTFMove(source));
195	}	192	}
196		193
197	return fontFace;	194	return fontFace;
Lines 234-242 static void registerLocalFontFacesForFamily(const String& familyName, HashMap<St a/Source/WebCore/css/CSSFontSelector.cpp_sec7
234		231
235	Vector<Ref<CSSFontFace>> faces = { };	232	Vector<Ref<CSSFontFace>> faces = { };
236	for (auto mask : traitsMasks) {	233	for (auto mask : traitsMasks) {
237	Ref<CSSFontFace> face = CSSFontFace::create(mask, nullptr, true);	234	Ref<CSSFontFace> face = CSSFontFace::create(mask, true);
238	face->addSource(std::make_unique<CSSFontFaceSource>(familyName));	235	face->addSource(std::make_unique<LocalFontFaceSource>(face, familyName));
239	ASSERT(face->isValid());	236	ASSERT(!face->allSourcesHaveFailed());
240	faces.append(WTFMove(face));	237	faces.append(WTFMove(face));
241	}	238	}
242	locallyInstalledFontFaces.add(familyName, WTFMove(faces));	239	locallyInstalledFontFaces.add(familyName, WTFMove(faces));
Lines 273-280 void CSSFontSelector::addFontFaceRule(const StyleRuleFontFace& fontFaceRule, boo a/Source/WebCore/css/CSSFontSelector.cpp_sec8
273	return;	270	return;
274	auto traitsMask = computedTraitsMask.value();	271	auto traitsMask = computedTraitsMask.value();
275		272
276	Ref<CSSFontFace> fontFace = createFontFace(srcList, traitsMask, m_document, fontFaceRule, isInitiatingElementInUserAgentShadowTree);	273	Ref<CSSFontFace> fontFace = createFontFace(srcList, traitsMask, m_document, *this, isInitiatingElementInUserAgentShadowTree);
277	if (!fontFace->isValid())	274	if (fontFace->allSourcesHaveFailed())
278	return;	275	return;
279		276
280	if (rangeList) {	277	if (rangeList) {



#include "CSSSegmentedFontFace.h"

#include "CSSFontFace.h"
#include "CSSFontFaceSource.h"
#include "CSSFontSelector.h"
#include "Document.h"
#include "Font.h"


FontRanges CSSSegmentedFontFace::fontRanges(const FontDescription& fontDescription)
{
    FontTraitsMask desiredTraitsMask = fontDescription.traitsMask();

    auto addResult = m_descriptionToRangesMap.add(FontDescriptionKey(fontDescription), FontRanges());
    auto& fontRanges = addResult.iterator->value;

    if (addResult.isNewEntry) {
        FontTraitsMask desiredTraitsMask = fontDescription.traitsMask();
        for (auto& face : m_fontFaces) {
            if (face->allSourcesHaveFailed())
                continue;

            FontTraitsMask traitsMask = face->traitsMask();



/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "CachedRemoteFontFaceSource.h"

#include "CSSFontFace.h"
#include "CSSFontSelector.h"
#include "CachedFont.h"

namespace WebCore {

CachedRemoteFontFaceSource::CachedRemoteFontFaceSource(CSSFontFace& owner, CSSFontSelector& fontSelector, CachedFont& cachedFont, const AtomicString& remoteURI)
    : ByteBasedFontFaceSource(owner, remoteURI)
    , m_fontSelector(fontSelector)
    , m_cachedFont(cachedFont)
{
    m_cachedFont.addClient(this);
}

void CachedRemoteFontFaceSource::initiateLoad()
{
    // Kick off the load. Do it soon rather than now, because we may be in the middle of layout,
    // and the loader may invoke arbitrary delegate or event handler code.
    m_fontSelector.beginLoadingFontSoon(&m_cachedFont);
}

void CachedRemoteFontFaceSource::fontLoaded(CachedFont& font)
{
    ASSERT_UNUSED(font, &font == &m_cachedFont);
    ASSERT(!m_cachedFont.isLoading());

    // If the font is in the cache, this function will be called synchronously from CachedFont::addClient().
    if (state() == State::Pending)
        setState(State::Loading);

    if (m_cachedFont.errorOccurred() || !m_cachedFont.resourceBuffer()) {
        setState(State::Failed);
        owner().kick(*this);
        return;
    }

    m_cachedFont.setHasCreatedFontDataWrappingResource(bufferProvided(*m_cachedFont.resourceBuffer()));

    owner().kick(*this);
}

}



/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef CachedRemoteFontFaceSource_h
#define CachedRemoteFontFaceSource_h

#include "ByteBasedFontFaceSource.h"
#include "CachedFontClient.h"

namespace WebCore {

class CachedFont;
class CSSFontSelector;

class CachedRemoteFontFaceSource final : public ByteBasedFontFaceSource, public CachedFontClient {
public:
    CachedRemoteFontFaceSource(CSSFontFace& owner, CSSFontSelector&, CachedFont&, const AtomicString& remoteURI);

private:
    virtual void initiateLoad() override;

    // CachedFontClient
    virtual void fontLoaded(CachedFont&) override;

    CSSFontSelector& m_fontSelector;
    CachedFont& m_cachedFont;
};

}

#endif



/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "FontFaceSource.h"

#include "FontDescription.h"
#include "TextFlags.h"

namespace WebCore {

FontFaceSource::HashKey::HashKey()
{
}

FontFaceSource::HashKey::HashKey(const FontDescription& fontDescription, bool syntheticBold, bool syntheticItalic, const FontFeatureSettings& fontFaceFeatureSettings, const FontVariantSettings& fontFaceVariantSettings)
    : m_size(fontDescription.computedPixelSize() + 1) // We don't want to collide with an empty cache entry.
    , m_widthVariant(fontDescription.widthVariant())
    , m_orientation(fontDescription.orientation())
    , m_syntheticBold(syntheticBold)
    , m_syntheticItalic(syntheticItalic)
    , m_textRenderingMode(fontDescription.textRenderingMode())
    , m_descriptionFeatureSettings(fontDescription.featureSettings())
    , m_fontFaceFeatureSettings(fontFaceFeatureSettings)
    , m_descriptionVariantSettings(fontDescription.variantSettings())
    , m_fontFaceVariantSettings(fontFaceVariantSettings)
{
    ASSERT(m_size > 0 && m_size < cHashTableDeletedSize);
}

FontFaceSource::HashKey::HashKey(WTF::HashTableDeletedValueType)
    : m_size(cHashTableDeletedSize)
{
}

bool FontFaceSource::HashKey::isHashTableDeletedValue() const
{
    return m_size == cHashTableDeletedSize;
}

bool FontFaceSource::HashKey::operator==(const HashKey& other) const
{
    return m_size == other.m_size
        && m_widthVariant == other.m_widthVariant
        && m_orientation == other.m_orientation
        && m_syntheticBold == other.m_syntheticBold
        && m_syntheticItalic == other.m_syntheticItalic
        && m_textRenderingMode == other.m_textRenderingMode
        && m_descriptionFeatureSettings == other.m_descriptionFeatureSettings
        && m_fontFaceFeatureSettings == other.m_fontFaceFeatureSettings
        && m_descriptionVariantSettings == other.m_descriptionVariantSettings
        && m_fontFaceVariantSettings == other.m_fontFaceVariantSettings;
}

bool FontFaceSource::HashKey::operator!=(const HashKey& other) const
{
    return !(*this == other);
}

unsigned FontFaceSource::HashKey::hash(const HashKey& key)
{
    IntegerHasher hasher;
    hasher.add(key.m_size);
    hasher.add(key.m_widthVariant);
    hasher.add(key.m_orientation);
    hasher.add(key.m_syntheticBold);
    hasher.add(key.m_syntheticItalic);
    hasher.add(key.m_textRenderingMode);
    hasher.add(key.m_descriptionFeatureSettings.hash());
    hasher.add(key.m_fontFaceFeatureSettings.hash());
    hasher.add(key.m_descriptionVariantSettings.hash());
    hasher.add(key.m_fontFaceVariantSettings.hash());
    return hasher.hash();
}

bool FontFaceSource::HashKey::equal(const HashKey& a, const HashKey& b)
{
    return a == b;
}

const unsigned FontFaceSource::HashKey::cHashTableDeletedSize = 0xFFFFFFFFU;

FontFaceSource::FontFaceSource(CSSFontFace& owner)
    : m_owner(owner)
{
}

void FontFaceSource::load()
{
    ASSERT(m_state == State::Pending);
    setState(State::Loading);
    initiateLoad();
}

RefPtr<Font> FontFaceSource::font(const FontDescription& fontDescription, bool syntheticBold, bool syntheticItalic, const FontFeatureSettings& fontFaceFeatureSettings, const FontVariantSettings& fontFaceVariantSettings)
{
    ASSERT(m_state == State::Succeeded);
    if (!shouldCache())
        return createFont(fontDescription, syntheticBold, syntheticItalic, fontFaceFeatureSettings, fontFaceVariantSettings);

    HashKey hashKey(fontDescription, syntheticBold, syntheticItalic, fontFaceFeatureSettings, fontFaceVariantSettings);
    auto addResult = m_cache.add(hashKey, nullptr);
    if (addResult.isNewEntry)
        addResult.iterator->value = createFont(fontDescription, syntheticBold, syntheticItalic, fontFaceFeatureSettings, fontFaceVariantSettings);
    return addResult.iterator->value;
}

}



/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef FontFaceSource_h
#define FontFaceSource_h

#include "Font.h"
#include "FontFeatureSettings.h"

namespace WebCore {

class CSSFontFace;
class Font;
class FontDescription;
class FontFeatureSettings;
struct FontVariantSettings;

// This class represents a single clause of a src: attribute inside an @font-face block.
class FontFaceSource {
    WTF_MAKE_FAST_ALLOCATED;
public:
    FontFaceSource(CSSFontFace& owner);
    virtual ~FontFaceSource() { }

    //                      -> Succeeded
    //                    /
    // Pending -> Loading
    //                    \
    //                      -> Failed
    enum class State {
        Pending,
        Loading,
        Failed,
        Succeeded
    };
    State state() const { return m_state; }

    // State transition from Pending to Loading
    void load();

    // Subclasses handle the transition from Loading to Failed/Succeeded.

    // Only valid when state is Succeeded
    RefPtr<Font> font(const FontDescription&, bool syntheticBold, bool syntheticItalic, const FontFeatureSettings& fontFaceFeatureSettings, const FontVariantSettings& fontFaceVariantSettings);

protected:
    CSSFontFace& owner() const { return m_owner; }
    void setState(State state) { m_state = state; }

private:
    // Among the many arguments to font(), this key is only sensitive to the pieces that are actually used when creating a Font.
    // Other values are expected (indeed, encouraged) to collide for performance.
    class HashKey {
    public:
        HashKey();
        HashKey(const FontDescription&, bool syntheticBold, bool syntheticItalic, const FontFeatureSettings& fontFaceFeatureSettings, const FontVariantSettings& fontFaceVariantSettings);

        explicit HashKey(WTF::HashTableDeletedValueType);

        bool isHashTableDeletedValue() const;

        bool operator==(const HashKey& other) const;
        bool operator!=(const HashKey& other) const;

        static unsigned hash(const HashKey&);
        static bool equal(const HashKey&, const HashKey&);

        static const bool safeToCompareToEmptyOrDeleted = true;

    private:
        static const unsigned cHashTableDeletedSize;

        unsigned m_size { 0 };
        FontWidthVariant m_widthVariant { RegularWidth };
        FontOrientation m_orientation { Horizontal };
        bool m_syntheticBold { false };
        bool m_syntheticItalic { false };
        TextRenderingMode m_textRenderingMode { AutoTextRendering };
        FontFeatureSettings m_descriptionFeatureSettings;
        FontFeatureSettings m_fontFaceFeatureSettings;
        FontVariantSettings m_descriptionVariantSettings;
        FontVariantSettings m_fontFaceVariantSettings;
    };

    virtual bool shouldCache() const { return true; }
    virtual void initiateLoad() = 0;
    virtual RefPtr<Font> createFont(const FontDescription&, bool syntheticBold, bool syntheticItalic, const FontFeatureSettings& fontFaceFeatureSettings, const FontVariantSettings& fontFaceVariantSettings) = 0;

    CSSFontFace& m_owner;
    HashMap<HashKey, RefPtr<Font>, HashKey, WTF::SimpleClassHashTraits<HashKey>> m_cache;
    State m_state { State::Pending };
};

}

#endif

Lines 29-35 a/Source/WebCore/css/FontLoader.cpp_sec1
- a/Source/WebCore/css/FontLoader.cpp -1 lines
29	#if ENABLE(FONT_LOAD_EVENTS)	29	#if ENABLE(FONT_LOAD_EVENTS)
30		30
31	#include "CSSFontFaceLoadEvent.h"	31	#include "CSSFontFaceLoadEvent.h"
32	#include "CSSFontFaceSource.h"
33	#include "CSSFontSelector.h"	32	#include "CSSFontSelector.h"
34	#include "CSSParser.h"	33	#include "CSSParser.h"
35	#include "CSSSegmentedFontFace.h"	34	#include "CSSSegmentedFontFace.h"



/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ImmediateFontFaceSource_h
#define ImmediateFontFaceSource_h

#include "ByteBasedFontFaceSource.h"

namespace WebCore {

class ImmediateFontFaceSource final : public ByteBasedFontFaceSource {
public:
    ImmediateFontFaceSource(CSSFontFace& owner, JSC::ArrayBuffer& data)
        : ByteBasedFontFaceSource(owner)
    {
        setState(State::Loading);
        bufferProvided(data);
    }

private:
    virtual void initiateLoad() override
    {
        ASSERT_NOT_REACHED();
    }
};

}

#endif





/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "InDocumentSVGFontFaceSource.h"

#include "SVGFontElement.h"
#include "SVGFontFaceElement.h"
#include "SVGToOTFFontConversion.h"
#include "SharedBuffer.h"

namespace WebCore {

InDocumentSVGFontFaceSource::InDocumentSVGFontFaceSource(CSSFontFace& owner, SVGFontFaceElement& fontFace, const AtomicString& remoteURI)
    : ByteBasedFontFaceSource(owner, remoteURI, false)
    , m_svgFontFaceElement(fontFace)
{
}

void InDocumentSVGFontFaceSource::initiateLoad()
{
    if (!m_svgFontFaceElement->parentNode() || !is<SVGFontElement>(m_svgFontFaceElement->parentNode())) {
        setState(State::Failed);
        return;
    }

    SVGFontElement& fontElement = downcast<SVGFontElement>(*m_svgFontFaceElement->parentNode());

    if (auto otfFont = convertSVGToOTFFont(fontElement)) {
        RefPtr<SharedBuffer> buffer = SharedBuffer::adoptVector(otfFont.value());
        bufferProvided(*buffer);
        return;
    }

    setState(State::Failed);
}

}



/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef InDocumentSVGFontFaceSource_h
#define InDocumentSVGFontFaceSource_h

#include "ByteBasedFontFaceSource.h"

namespace WebCore {

class SVGFontFaceElement;

class InDocumentSVGFontFaceSource final : public ByteBasedFontFaceSource {
public:
    InDocumentSVGFontFaceSource(CSSFontFace& owner, SVGFontFaceElement&, const AtomicString& remoteURI);

private:
    virtual void initiateLoad() override;

    Ref<SVGFontFaceElement> m_svgFontFaceElement;
};

}

#endif





/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "LocalFontFaceSource.h"

#include "FontCache.h"

namespace WebCore {

LocalFontFaceSource::LocalFontFaceSource(CSSFontFace& owner, const String& familyName)
    : FontFaceSource(owner)
    , m_familyName(familyName)
{
}

void LocalFontFaceSource::initiateLoad()
{
    setState(State::Succeeded);
}

RefPtr<Font> LocalFontFaceSource::createFont(const FontDescription& fontDescription, bool, bool, const FontFeatureSettings&, const FontVariantSettings&)
{
    // The @font-face block's bold/italic style may disagree with our own knowledge of the real traits of a preinstalled font.
    // In this situation, we should consider the real traits of the preinstalled font when determining if we should apply synthetic bold/italic.
    // Luckily, FontCache automatically does this for us, so we simply disregard the @font-face block's bold/italic style.

    // FIXME: This local font face needs to apply the @font-face's font feature properties.
    return FontCache::singleton().fontForFamily(fontDescription, m_familyName, true);
}

}



/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef LocalFontFaceSource_h
#define LocalFontFaceSource_h

#include "FontFaceSource.h"

namespace WebCore {

// This class represents an entry of "src: local(xyz)" in an @font-face block.
class LocalFontFaceSource final : public FontFaceSource {
public:
    LocalFontFaceSource(CSSFontFace& owner, const String& familyName);

private:
    // We internally use FontCache, which is sensitive to more pieces of the FontDescription than our cache is sensitive to, so the FontFaceSource's cache would yield false hits.
    // Luckily, FontCache internally caches fonts, so we are still on a fast path.
    virtual bool shouldCache() const override { return false; }

    virtual void initiateLoad() override;

    virtual RefPtr<Font> createFont(const FontDescription&, bool syntheticBold, bool syntheticItalic, const FontFeatureSettings& fontFaceFeatureSettings, const FontVariantSettings& fontFaceVariantSettings) override;

    String m_familyName;
};

}

#endif



/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "UncachedRemoteFontFaceSource.h"

#include "CSSFontFace.h"
#include "Event.h"

namespace WebCore {

UncachedRemoteFontFaceSource::Listener::Listener(WeakPtr<UncachedRemoteFontFaceSource>&& owner)
    : EventListener(EventListener::CPPEventListenerType)
    , m_owner(WTFMove(owner))
{
}

void UncachedRemoteFontFaceSource::Listener::handleEvent(ScriptExecutionContext*, Event* event)
{
    if (!m_owner)
        return;

    m_owner->loadFinished(event && event->type() == eventNames().successEvent);
}

bool UncachedRemoteFontFaceSource::Listener::operator==(const EventListener& other)
{
    return this == &other;
}

UncachedRemoteFontFaceSource::UncachedRemoteFontFaceSource(CSSFontFace& owner, ScriptExecutionContext& scriptExecutionContext, const URL& url)
    : ByteBasedFontFaceSource(owner, url.string())
    , m_factory(this)
    , m_xmlHttpRequest(XMLHttpRequest::create(scriptExecutionContext))
    , m_listener(Listener::create(m_factory.createWeakPtr()))
    , m_url(url)
{
    m_xmlHttpRequest->addEventListener(eventNames().successEvent, m_listener.copyRef(), false);
    m_xmlHttpRequest->addEventListener(eventNames().errorEvent, m_listener.copyRef(), false);
    m_xmlHttpRequest->addEventListener(eventNames().abortEvent, m_listener.copyRef(), false);
}

void UncachedRemoteFontFaceSource::initiateLoad()
{
    ExceptionCode ec = 0;
    m_xmlHttpRequest->open(String("GET", String::ConstructFromLiteral), m_url, ec);
    if (ec) {
        setState(State::Failed);
        return;
    }
    m_xmlHttpRequest->setResponseType(String("arraybuffer", String::ConstructFromLiteral), ec);
    if (ec) {
        setState(State::Failed);
        return;
    }
    m_xmlHttpRequest->send(ec);
    if (ec) {
        setState(State::Failed);
        return;
    }
}

void UncachedRemoteFontFaceSource::loadFinished(bool success)
{
    if (!success || !m_xmlHttpRequest->responseArrayBuffer()) {
        setState(State::Failed);
        return;
    }

    bufferProvided(*m_xmlHttpRequest->responseArrayBuffer());

    owner().kick(*this);
}

}



/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef UncachedRemoteFontFaceSource_h
#define UncachedRemoteFontFaceSource_h

#include "ByteBasedFontFaceSource.h"
#include "EventListener.h"
#include "XMLHttpRequest.h"
#include <wtf/WeakPtr.h>

namespace WebCore {

class scriptExecutionContext;
class URL;

class UncachedRemoteFontFaceSource final : public ByteBasedFontFaceSource {
public:
    UncachedRemoteFontFaceSource(CSSFontFace& owner, ScriptExecutionContext&, const URL&);

private:
    // This is a separate class becasue it needs to be RefCounted, but we don't want our FontFaceSources to be RefCounted.
    class Listener : public EventListener {
    public:
        static Ref<Listener> create(WeakPtr<UncachedRemoteFontFaceSource>&& owner) { return adoptRef(*new Listener(WTFMove(owner))); }
        bool success() const { return m_success; }

    private:
        Listener(WeakPtr<UncachedRemoteFontFaceSource>&& owner);

        virtual void handleEvent(ScriptExecutionContext*, Event*) override;
        virtual bool operator==(const EventListener& other) override;

        WeakPtr<UncachedRemoteFontFaceSource> m_owner;
        bool m_success { false };
    };

    virtual void initiateLoad() override;

    void loadFinished(bool success);

    WeakPtrFactory<UncachedRemoteFontFaceSource> m_factory;
    Ref<XMLHttpRequest> m_xmlHttpRequest;
    Ref<Listener> m_listener;
    URL m_url;
};

}

#endif



{
    ASSERT(c->resourceClientType() == CachedFontClient::expectedType());
    if (!isLoading())
        static_cast<CachedFontClient*>(c)->fontLoaded(*this);
}

void CachedFont::finishLoading(SharedBuffer* data)

    
    CachedResourceClientWalker<CachedFontClient> w(m_clients);
    while (CachedFontClient* c = w.next())
        c->fontLoaded(*this);
}

bool CachedFont::mayTryReplaceEncodedData() const

Lines 49-54 public: a/Source/WebCore/loader/cache/CachedFont.h_sec1
- a/Source/WebCore/loader/cache/CachedFont.h +2 lines
49	void beginLoadIfNeeded(CachedResourceLoader&);	49	void beginLoadIfNeeded(CachedResourceLoader&);
50	virtual bool stillNeedsLoad() const override { return !m_loadInitiated; }	50	virtual bool stillNeedsLoad() const override { return !m_loadInitiated; }
51		51
		52	void setHasCreatedFontDataWrappingResource(bool hasCreatedFontDataWrappingResource) { hasCreatedFontDataWrappingResource = m_hasCreatedFontDataWrappingResource; }
		53
52	virtual bool ensureCustomFontData(const AtomicString& remoteURI);	54	virtual bool ensureCustomFontData(const AtomicString& remoteURI);
53		55
54	virtual RefPtr<Font> createFont(const FontDescription&, const AtomicString& remoteURI, bool syntheticBold, bool syntheticItalic, const FontFeatureSettings&, const FontVariantSettings&);	56	virtual RefPtr<Font> createFont(const FontDescription&, const AtomicString& remoteURI, bool syntheticBold, bool syntheticItalic, const FontFeatureSettings&, const FontVariantSettings&);

Lines 37-43 public: a/Source/WebCore/loader/cache/CachedFontClient.h_sec1
- a/Source/WebCore/loader/cache/CachedFontClient.h -1 / +1 lines
37	virtual ~CachedFontClient() { }	37	virtual ~CachedFontClient() { }
38	static CachedResourceClientType expectedType() { return FontType; }	38	static CachedResourceClientType expectedType() { return FontType; }
39	virtual CachedResourceClientType resourceClientType() const override { return expectedType(); }	39	virtual CachedResourceClientType resourceClientType() const override { return expectedType(); }
40	virtual void fontLoaded(CachedFont*) { }	40	virtual void fontLoaded(CachedFont&) { }
41	};	41	};
42		42
43	} // namespace WebCore	43	} // namespace WebCore



            | static_cast<unsigned>(description.orientation()) << 2
            | static_cast<unsigned>(description.italic()) << 1
            | static_cast<unsigned>(description.renderingMode());
        unsigned second = description.variantSettings().uniqueValue();
            | static_cast<unsigned>(description.variantEastAsianWidth()) << 25
            | static_cast<unsigned>(description.variantEastAsianVariant()) << 22
            | static_cast<unsigned>(description.variantAlternates()) << 21
            | static_cast<unsigned>(description.variantNumericSlashedZero()) << 20
            | static_cast<unsigned>(description.variantNumericOrdinal()) << 19
            | static_cast<unsigned>(description.variantNumericFraction()) << 17
            | static_cast<unsigned>(description.variantNumericSpacing()) << 15
            | static_cast<unsigned>(description.variantNumericFigure()) << 13
            | static_cast<unsigned>(description.variantCaps()) << 10
            | static_cast<unsigned>(description.variantPosition()) << 8
            | static_cast<unsigned>(description.variantContextualAlternates()) << 6
            | static_cast<unsigned>(description.variantHistoricalLigatures()) << 4
            | static_cast<unsigned>(description.variantDiscretionaryLigatures()) << 2
            | static_cast<unsigned>(description.variantCommonLigatures());
        return {{ first, second }};
    }


Lines 36-41 FontCustomPlatformData::~FontCustomPlatformData() a/Source/WebCore/platform/graphics/mac/FontCustomPlatformData.cpp_sec1
- a/Source/WebCore/platform/graphics/mac/FontCustomPlatformData.cpp +1 lines
36		36
37	FontPlatformData FontCustomPlatformData::fontPlatformData(const FontDescription& fontDescription, bool bold, bool italic, const FontFeatureSettings& fontFaceFeatures, const FontVariantSettings& fontFaceVariantSettings)	37	FontPlatformData FontCustomPlatformData::fontPlatformData(const FontDescription& fontDescription, bool bold, bool italic, const FontFeatureSettings& fontFaceFeatures, const FontVariantSettings& fontFaceVariantSettings)
38	{	38	{
		39	// This function must be consistent with FontFaceSource::HashKey.
39	int size = fontDescription.computedPixelSize();	40	int size = fontDescription.computedPixelSize();
40	FontOrientation orientation = fontDescription.orientation();	41	FontOrientation orientation = fontDescription.orientation();
41	FontWidthVariant widthVariant = fontDescription.widthVariant();	42	FontWidthVariant widthVariant = fontDescription.widthVariant();

Lines 26-31 a/Source/WebCore/platform/text/TextFlags.h_sec1
- a/Source/WebCore/platform/text/TextFlags.h -1 / +30 lines
26	#ifndef TextFlags_h	26	#ifndef TextFlags_h
27	#define TextFlags_h	27	#define TextFlags_h
28		28
		29	#include <wtf/Hasher.h>
		30
29	namespace WebCore {	31	namespace WebCore {
30		32
31	enum TextRenderingMode { AutoTextRendering, OptimizeSpeed, OptimizeLegibility, GeometricPrecision };	33	enum TextRenderingMode { AutoTextRendering, OptimizeSpeed, OptimizeLegibility, GeometricPrecision };
Lines 212-218 struct FontVariantSettings { a/Source/WebCore/platform/text/TextFlags.h_sec2
212	&& eastAsianRuby == FontVariantEastAsianRuby::Normal;	214	&& eastAsianRuby == FontVariantEastAsianRuby::Normal;
213	}	215	}
214		216
215	bool operator==(const FontVariantSettings& other)	217	bool operator==(const FontVariantSettings& other) const
216	{	218	{
217	return commonLigatures == other.commonLigatures	219	return commonLigatures == other.commonLigatures
218	&& discretionaryLigatures == other.discretionaryLigatures	220	&& discretionaryLigatures == other.discretionaryLigatures
Lines 231-236 struct FontVariantSettings { a/Source/WebCore/platform/text/TextFlags.h_sec3
231	&& eastAsianRuby == other.eastAsianRuby;	233	&& eastAsianRuby == other.eastAsianRuby;
232	}	234	}
233		235
		236	// Each combination of these variant features can be uniquely represented by a 32-bit number.
		237	unsigned uniqueValue() const
		238	{
		239	return static_cast<unsigned>(eastAsianRuby) << 27
		240	\| static_cast<unsigned>(eastAsianWidth) << 25
		241	\| static_cast<unsigned>(eastAsianVariant) << 22
		242	\| static_cast<unsigned>(alternates) << 21
		243	\| static_cast<unsigned>(numericSlashedZero) << 20
		244	\| static_cast<unsigned>(numericOrdinal) << 19
		245	\| static_cast<unsigned>(numericFraction) << 17
		246	\| static_cast<unsigned>(numericSpacing) << 15
		247	\| static_cast<unsigned>(numericFigure) << 13
		248	\| static_cast<unsigned>(caps) << 10
		249	\| static_cast<unsigned>(position) << 8
		250	\| static_cast<unsigned>(contextualAlternates) << 6
		251	\| static_cast<unsigned>(historicalLigatures) << 4
		252	\| static_cast<unsigned>(discretionaryLigatures) << 2
		253	\| static_cast<unsigned>(commonLigatures);
		254	}
		255
		256	unsigned hash() const
		257	{
		258	IntegerHasher hasher;
		259	hasher.add(uniqueValue());
		260	return hasher.hash();
		261	}
		262
234	FontVariantLigatures commonLigatures;	263	FontVariantLigatures commonLigatures;
235	FontVariantLigatures discretionaryLigatures;	264	FontVariantLigatures discretionaryLigatures;
236	FontVariantLigatures historicalLigatures;	265	FontVariantLigatures historicalLigatures;

Lines 56-62 private: a/Source/WebCore/svg/SVGFontData.h_sec1
- a/Source/WebCore/svg/SVGFontData.h -1 / +1 lines
56	bool applyTransforms(GlyphBufferGlyph, GlyphBufferAdvance, size_t, bool enableKerning, bool requiresShaping) const = delete;	56	bool applyTransforms(GlyphBufferGlyph, GlyphBufferAdvance, size_t, bool enableKerning, bool requiresShaping) const = delete;
57		57
58	// Ths SVGFontFaceElement is kept alive --	58	// Ths SVGFontFaceElement is kept alive --
59	// 1) in the external font case: by the CSSFontFaceSource, which holds a reference to the external SVG document	59	// 1) in the external font case: by the FontFaceSource, which holds a reference to the external SVG document
60	// containing the element;	60	// containing the element;
61	// 2) in the in-document font case: by virtue of being in the document tree and making sure that when it is removed	61	// 2) in the in-document font case: by virtue of being in the document tree and making sure that when it is removed
62	// from the document, it removes the @font-face rule it owns from the document's mapped element sheet and forces	62	// from the document, it removes the @font-face rule it owns from the document's mapped element sheet and forces

Return to Bug 153414

Lines 1-5 a/Source/WebCore/ChangeLog_sec1
- a/Source/WebCore/ChangeLog +85 lines
1	2016-01-25 Myles C. Maxfield <mmaxfield@apple.com>	1	2016-01-25 Myles C. Maxfield <mmaxfield@apple.com>
2		2
		3	Modularize CSSFontFaceSource
		4	https://bugs.webkit.org/show_bug.cgi?id=153414
		5
		6	Reviewed by NOBODY (OOPS!).
		7
		8	No new tests because there is no behavior change.
		9
		10	* WebCore.xcodeproj/project.pbxproj:
		11	* css/ByteBasedFontFaceSource.cpp: Added.
		12	(WebCore::ByteBasedFontFaceSource::ByteBasedFontFaceSource):
		13	(WebCore::convertWOFF):
		14	(WebCore::getSVGFontById):
		15	(WebCore::convertSVGFont):
		16	(WebCore::ByteBasedFontFaceSource::bufferProvided):
		17	(WebCore::ByteBasedFontFaceSource::createFont):
		18	* css/ByteBasedFontFaceSource.h: Copied from Source/WebCore/loader/cache/CachedFontClient.h.
		19	* css/CSSFontFaceSource.cpp:
		20	(WebCore::CSSFontFaceSource::fontLoaded):
		21	(WebCore::CSSFontFaceSource::font):
		22	(WebCore::CSSFontFaceSource::CSSFontFaceSource): Deleted.
		23	* css/CSSFontFaceSource.h:
		24	* css/CSSFontSelector.cpp:
		25	(WebCore::createFontFace):
		26	* css/CachedRemoteFontFaceSource.cpp: Copied from Source/WebCore/loader/cache/CachedFontClient.h.
		27	(WebCore::CachedRemoteFontFaceSource::CachedRemoteFontFaceSource):
		28	(WebCore::CachedRemoteFontFaceSource::initiateLoad):
		29	(WebCore::CachedRemoteFontFaceSource::fontLoaded):
		30	* css/CachedRemoteFontFaceSource.h: Copied from Source/WebCore/loader/cache/CachedFontClient.h.
		31	* css/FontFaceSource.cpp: Added.
		32	(WebCore::FontFaceSource::HashKey::HashKey):
		33	(WebCore::FontFaceSource::HashKey::isHashTableDeletedValue):
		34	(WebCore::FontFaceSource::HashKey::operator==):
		35	(WebCore::FontFaceSource::HashKey::operator!=):
		36	(WebCore::FontFaceSource::HashKey::hash):
		37	(WebCore::FontFaceSource::HashKey::equal):
		38	(WebCore::FontFaceSource::FontFaceSource):
		39	(WebCore::FontFaceSource::load):
		40	(WebCore::FontFaceSource::font):
		41	* css/FontFaceSource.h: Added.
		42	(WebCore::FontFaceSource::~FontFaceSource):
		43	(WebCore::FontFaceSource::state):
		44	(WebCore::FontFaceSource::owner):
		45	(WebCore::FontFaceSource::setState):
		46	(WebCore::FontFaceSource::shouldCache):
		47	* css/ImmediateFontFaceSource.h: Copied from Source/WebCore/loader/cache/CachedFontClient.h.
		48	* css/InDocumentSVGFontFaceSource.cpp: Copied from Source/WebCore/loader/cache/CachedFontClient.h.
		49	(WebCore::InDocumentSVGFontFaceSource::InDocumentSVGFontFaceSource):
		50	(WebCore::InDocumentSVGFontFaceSource::initiateLoad):
		51	* css/InDocumentSVGFontFaceSource.h: Copied from Source/WebCore/loader/cache/CachedFontClient.h.
		52	* css/LocalFontFaceSource.cpp: Copied from Source/WebCore/loader/cache/CachedFontClient.h.
		53	(WebCore::LocalFontFaceSource::LocalFontFaceSource):
		54	(WebCore::LocalFontFaceSource::initiateLoad):
		55	(WebCore::LocalFontFaceSource::createFont):
		56	* css/LocalFontFaceSource.h: Copied from Source/WebCore/loader/cache/CachedFontClient.h.
		57	* css/UncachedRemoteFontFaceSource.cpp: Added.
		58	(WebCore::UncachedRemoteFontFaceSource::Listener::Listener):
		59	(WebCore::UncachedRemoteFontFaceSource::Listener::handleEvent):
		60	(WebCore::UncachedRemoteFontFaceSource::Listener::operator==):
		61	(WebCore::UncachedRemoteFontFaceSource::UncachedRemoteFontFaceSource):
		62	(WebCore::UncachedRemoteFontFaceSource::initiateLoad):
		63	(WebCore::UncachedRemoteFontFaceSource::loadFinished):
		64	* css/UncachedRemoteFontFaceSource.h: Added.
		65	* loader/cache/CachedFont.cpp:
		66	(WebCore::CachedFont::didAddClient):
67	(WebCore::CachedFont::ensureCustomFontData):
68	(WebCore::CachedFont::createFont):
69	(WebCore::CachedFont::checkNotify):
70	* loader/cache/CachedFont.h:
71	(WebCore::CachedFont::setHasCreatedFontDataWrappingResource):
72	* loader/cache/CachedFontClient.h:
73	(WebCore::CachedFontClient::fontLoaded):
74	* loader/cache/CachedSVGFont.cpp:
75	(WebCore::CachedSVGFont::createFont):
76	(WebCore::CachedSVGFont::ensureCustomFontData):
77	* loader/cache/CachedSVGFont.h:
78	* platform/graphics/mac/FontCustomPlatformData.cpp:
79	(WebCore::FontCustomPlatformData::fontPlatformData):
80	* platform/network/HTTPParsers.cpp:
81	(WebCore::isValidHTTPToken):
82	* platform/text/TextFlags.h:
83	(WebCore::FontVariantSettings::operator==):
84	(WebCore::FontVariantSettings::hash):
85
86	2016-01-25 Myles C. Maxfield <mmaxfield@apple.com>
87
3	Remove broken cache from CSSFontFaceSource	88	Remove broken cache from CSSFontFaceSource
4	https://bugs.webkit.org/show_bug.cgi?id=153440	89	https://bugs.webkit.org/show_bug.cgi?id=153440
5		90

Line 0 a/Source/WebCore/css/ByteBasedFontFaceSource.cpp_sec1
- a/Source/WebCore/css/ByteBasedFontFaceSource.cpp +163 lines
		1	/*
		2	* Copyright (C) 2016 Apple Inc. All rights reserved.
		3	*
		4	* Redistribution and use in source and binary forms, with or without
		5	* modification, are permitted provided that the following conditions
		6	* are met:
		7	* 1. Redistributions of source code must retain the above copyright
		8	* notice, this list of conditions and the following disclaimer.
		9	* 2. Redistributions in binary form must reproduce the above copyright
		10	* notice, this list of conditions and the following disclaimer in the
		11	* documentation and/or other materials provided with the distribution.
		12	*
		13	* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
		14	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
		15	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
		16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
		17	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
		18	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
		19	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
		20	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
		21	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
		22	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
		23	* THE POSSIBILITY OF SUCH DAMAGE.
		24	*/
		25
		26	#include "config.h"
		27	#include "ByteBasedFontFaceSource.h"
		28
		29	#include "SVGDocument.h"
		30	#include "SVGFontElement.h"
		31	#include "SVGToOTFFontConversion.h"
		32	#include "SharedBuffer.h"
		33	#include "TypedElementDescendantIterator.h"
		34
		35	#include <runtime/ArrayBuffer.h>
		36
		37	namespace WebCore {
		38
		39	ByteBasedFontFaceSource::ByteBasedFontFaceSource(CSSFontFace& owner, const AtomicString& remoteURI, bool performConversion)
		40	: FontFaceSource(owner)
		41	, m_remoteURI(remoteURI)
		42	, m_performConversion(performConversion)
		43	{
		44	}
		45
		46	enum class WOFFConversionStatus {
		47	Unnecessary,
		48	Success,
		49	Failure
		50	};
		51
		52	static WOFFConversionStatus convertWOFF(SharedBuffer& buffer, Vector<char>& result)
		53	{
		54	#if PLATFORM(COCOA)
		55	UNUSED_PARAM(buffer);
		56	UNUSED_PARAM(result);
		57	return WOFFConversionStatus::Unnecessary;
		58	#else
		59	if (!isWOFF(&buffer))
		60	return Nullopt;
		61	if (!convertWOFFToSfnt(&buffer, result))
		62	return WOFFConversionStatus::Failure;
		63	result = WTF::move(convertedFont);
		64	return WOFFConversionStatus::Success;
65	#endif
66	}
67
68	static SVGFontElement* getSVGFontById(SVGDocument& externalSVGDocument, const String& fontName)
69	{
70	auto elements = descendantsOfType<SVGFontElement>(externalSVGDocument);
71
72	if (fontName.isEmpty())
73	return elements.first();
74
75	for (auto& element : elements) {
76	if (element.getIdAttribute() == fontName)
77	return &element;
78	}
79	return nullptr;
80	}
81
82	static Optional<Vector<char>> convertSVGFont(SharedBuffer& buffer, const AtomicString& remoteURI)
83	{
84	RefPtr<SVGDocument> externalSVGDocument = SVGDocument::create(nullptr, URL());
85	RefPtr<TextResourceDecoder> decoder = TextResourceDecoder::create("application/xml");
86	externalSVGDocument->setContent(decoder->decodeAndFlush(buffer.data(), buffer.size()));
87	if (decoder->sawError())
88	return Nullopt;
89
90	String fragmentIdentifier;
91	size_t start = remoteURI.find('#');
92	if (start != notFound)
93	fragmentIdentifier = remoteURI.string().substring(start + 1);
94	SVGFontElement* externalSVGFontElement = getSVGFontById(*externalSVGDocument, fragmentIdentifier);
95	if (!externalSVGFontElement)
96	return Nullopt;
97
98	return convertSVGToOTFFont(*externalSVGFontElement);
99	}
100
101	void ByteBasedFontFaceSource::bufferProvided(JSC::ArrayBuffer& arrayBuffer)
102	{
103	RefPtr<SharedBuffer> buffer = SharedBuffer::create(static_cast<const char*>(arrayBuffer.data()), arrayBuffer.byteLength());
104	if (!buffer) {
105	setState(State::Failed);
106	return;
107	}
108
109	bufferProvided(*buffer);
110	}
111
112	bool ByteBasedFontFaceSource::bufferProvided(SharedBuffer& buffer)
113	{
114	ASSERT(state() == State::Loading);
115	bool wrapping = true;
116	RefPtr<SharedBuffer> active = &buffer;
117
118	if (m_performConversion) {
119	// Step 1: Try to convert WOFF to SFNT.
120	Vector<char> sfnt;
121	switch (convertWOFF(buffer, sfnt)) {
122	case WOFFConversionStatus::Unnecessary:
123	break;
124	case WOFFConversionStatus::Success:
125	wrapping = false;
126	active = SharedBuffer::adoptVector(sfnt);
127	break;
128	case WOFFConversionStatus::Failure:
129	setState(State::Failed);
130	return false;
131	}
132
133	// Step 2: Try to convert SVG to OTF.
134	if (auto otf = convertSVGFont(*active, m_remoteURI)) {
135	wrapping = false;
136	active = SharedBuffer::adoptVector(otf.value());
137	}
138	}
139
140	m_fontCustomPlatformData = createFontCustomPlatformData(*active);
141	if (!m_fontCustomPlatformData) {
142	setState(State::Failed);
143	return false;
144	}
145
146	// Finally!!
147	setState(State::Succeeded);
148
149	return wrapping;
150	}
151
152	RefPtr<Font> ByteBasedFontFaceSource::createFont(const FontDescription& fontDescription, bool syntheticBold, bool syntheticItalic, const FontFeatureSettings& fontFaceFeatures, const FontVariantSettings& fontFaceVariantSettings)
153	{
154	#if PLATFORM(COCOA)
155	return Font::create(m_fontCustomPlatformData->fontPlatformData(fontDescription, syntheticBold, syntheticItalic, fontFaceFeatures, fontFaceVariantSettings), true, false);
156	#else
157	UNUSED_PARAM(fontFaceFeatures);
158	UNUSED_PARAM(fontFaceVariantSettings);
159	return Font::create(m_fontCustomPlatformData->fontPlatformData(fontDescription, bold, italic), true, false);
160	#endif
161	}
162
163	}

Lines 26-32 a/Source/WebCore/css/CSSFontFace.cpp_sec1
- a/Source/WebCore/css/CSSFontFace.cpp -100 / +25 lines
26	#include "config.h"	26	#include "config.h"
27	#include "CSSFontFace.h"	27	#include "CSSFontFace.h"
28		28
29	#include "CSSFontFaceSource.h"
30	#include "CSSFontSelector.h"	29	#include "CSSFontSelector.h"
31	#include "CSSSegmentedFontFace.h"	30	#include "CSSSegmentedFontFace.h"
32	#include "Document.h"	31	#include "Document.h"
Lines 37-50 a/Source/WebCore/css/CSSFontFace.cpp_sec2
37		36
38	namespace WebCore {	37	namespace WebCore {
39		38
40	bool CSSFontFace::isValid() const	39	bool CSSFontFace::allSourcesHaveFailed() const
41	{	40	{
42	size_t size = m_sources.size();	41	for (auto& source : m_sources) {
43	for (size_t i = 0; i < size; i++) {	42	if (source->state() != FontFaceSource::State::Failed)
44	if (m_sources[i]->isValid())	43	return false;
45	return true;
46	}	44	}
47	return false;	45	return true;
48	}	46	}
49		47
50	void CSSFontFace::addedToSegmentedFontFace(CSSSegmentedFontFace* segmentedFontFace)	48	void CSSFontFace::addedToSegmentedFontFace(CSSSegmentedFontFace* segmentedFontFace)
Lines 57-73 void CSSFontFace::removedFromSegmentedFontFace(CSSSegmentedFontFace* segmentedFo a/Source/WebCore/css/CSSFontFace.cpp_sec3
57	m_segmentedFontFaces.remove(segmentedFontFace);	55	m_segmentedFontFaces.remove(segmentedFontFace);
58	}	56	}
59		57
60	void CSSFontFace::addSource(std::unique_ptr<CSSFontFaceSource> source)	58	void CSSFontFace::addSource(std::unique_ptr<FontFaceSource>&& source)
61	{	59	{
62	source->setFontFace(this);
63	m_sources.append(WTFMove(source));	60	m_sources.append(WTFMove(source));
64	}	61	}
65		62
66	void CSSFontFace::fontLoaded(CSSFontFaceSource* source)	63	void CSSFontFace::kick(FontFaceSource&)
67	{	64	{
68	if (source != m_activeSource)
69	return;
70
71	// FIXME: Can we assert that m_segmentedFontFaces is not empty? That may	65	// FIXME: Can we assert that m_segmentedFontFaces is not empty? That may
72	// require stopping in-progress font loading when the last	66	// require stopping in-progress font loading when the last
73	// CSSSegmentedFontFace is removed.	67	// CSSSegmentedFontFace is removed.
Lines 79-181 void CSSFontFace::fontLoaded(CSSFontFaceSource* source) a/Source/WebCore/css/CSSFontFace.cpp_sec4
79	CSSFontSelector* fontSelector = (*m_segmentedFontFaces.begin())->fontSelector();	73	CSSFontSelector* fontSelector = (*m_segmentedFontFaces.begin())->fontSelector();
80	fontSelector->fontLoaded();	74	fontSelector->fontLoaded();
81		75
82	#if ENABLE(FONT_LOAD_EVENTS)
83	if (RuntimeEnabledFeatures::sharedFeatures().fontLoadEventsEnabled() && m_loadState == Loading) {
84	if (source->ensureFontData())
85	notifyFontLoader(Loaded);
86	else if (!isValid())
87	notifyFontLoader(Error);
88	}
89	#endif
90
91	for (auto* face : m_segmentedFontFaces)	76	for (auto* face : m_segmentedFontFaces)
92	face->fontLoaded(this);	77	face->fontLoaded(this);
93
94	#if ENABLE(FONT_LOAD_EVENTS)
95	if (RuntimeEnabledFeatures::sharedFeatures().fontLoadEventsEnabled())
96	notifyLoadingDone();
97	#endif
98	}	78	}
99		79
100	RefPtr<Font> CSSFontFace::font(const FontDescription& fontDescription, bool syntheticBold, bool syntheticItalic)	80	RefPtr<Font> CSSFontFace::font(const FontDescription& fontDescription, bool syntheticBold, bool syntheticItalic)
101	{	81	{
102	m_activeSource = 0;	82	if (allSourcesHaveFailed())
103	if (!isValid())	83	return nullptr;
104	return 0;	84
105		85	for (size_t index = 0; index < m_sources.size(); ) {
106	ASSERT(!m_segmentedFontFaces.isEmpty());	86	switch (m_sources[index]->state()) {
107	CSSFontSelector* fontSelector = (*m_segmentedFontFaces.begin())->fontSelector();	87	case FontFaceSource::State::Pending:
108		88	m_sources[index]->load();
109	#if ENABLE(FONT_LOAD_EVENTS)	89	break;
110	if (RuntimeEnabledFeatures::sharedFeatures().fontLoadEventsEnabled() && m_loadState == NotLoaded)	90	case FontFaceSource::State::Loading:
111	notifyFontLoader(Loading);	91	return Font::create(FontCache::singleton().lastResortFallbackFont(fontDescription)->platformData(), true, true);
112	#endif	92	case FontFaceSource::State::Failed:
113		93	++index;
114	size_t size = m_sources.size();	94	break;
115	for (size_t i = 0; i < size; ++i) {	95	case FontFaceSource::State::Succeeded:
116	if (RefPtr<Font> result = m_sources[i]->font(fontDescription, syntheticBold, syntheticItalic, fontSelector, m_featureSettings, m_variantSettings)) {	96	if (auto result = m_sources[index]->font(fontDescription, syntheticBold, syntheticItalic, m_featureSettings, m_variantSettings))
117	m_activeSource = m_sources[i].get();	97	return result;
118	#if ENABLE(FONT_LOAD_EVENTS)	98	++index;
119	if (RuntimeEnabledFeatures::sharedFeatures().fontLoadEventsEnabled() && m_loadState == Loading && m_sources[i]->isLoaded()) {	99	break;
120	notifyFontLoader(Loaded);
121	notifyLoadingDone();
122	}
123	#endif
124	return result.release();
125	}	100	}
126	}	101	}
127		102
128	#if ENABLE(FONT_LOAD_EVENTS)
129	if (RuntimeEnabledFeatures::sharedFeatures().fontLoadEventsEnabled() && m_loadState == Loading) {
130	notifyFontLoader(Error);
131	notifyLoadingDone();
132	}
133	#endif
134	return nullptr;	103	return nullptr;
135	}	104	}
136		105
137	#if ENABLE(FONT_LOAD_EVENTS)
138	void CSSFontFace::notifyFontLoader(LoadState newState)
139	{
140	m_loadState = newState;
141
142	Document* document = (*m_segmentedFontFaces.begin())->fontSelector()->document();
143	if (!document)
144	return;
145
146	switch (newState) {
147	case Loading:
148	document->fonts()->beginFontLoading(m_rule.get());
149	break;
150	case Loaded:
151	document->fonts()->fontLoaded(m_rule.get());
152	break;
153	case Error:
154	document->fonts()->loadError(m_rule.get(), m_activeSource);
155	break;
156	default:
157	break;
158	}
159	}
160
161	void CSSFontFace::notifyLoadingDone()
162	{
163	Document* document = (*m_segmentedFontFaces.begin())->fontSelector()->document();
164	if (document)
165	document->fonts()->loadingDone();
166	}
167	#endif
168
169	#if ENABLE(SVG_FONTS)
170	bool CSSFontFace::hasSVGFontFaceSource() const
171	{
172	size_t size = m_sources.size();
173	for (size_t i = 0; i < size; i++) {
174	if (m_sources[i]->isSVGFontFaceSource())
175	return true;
176	}
177	return false;
178	}
179	#endif
180
181	}	106	}

Lines 26-33 a/Source/WebCore/css/CSSFontFace.h_sec1
- a/Source/WebCore/css/CSSFontFace.h -30 / +8 lines
26	#ifndef CSSFontFace_h	26	#ifndef CSSFontFace_h
27	#define CSSFontFace_h	27	#define CSSFontFace_h
28		28
29	#include "CSSFontFaceRule.h"	29	#include "FontFaceSource.h"
30	#include "CSSFontFaceSource.h"
31	#include "FontFeatureSettings.h"	30	#include "FontFeatureSettings.h"
32	#include "TextFlags.h"	31	#include "TextFlags.h"
33	#include <memory>	32	#include <memory>
Lines 45-51 class Font; a/Source/WebCore/css/CSSFontFace.h_sec2
45		44
46	class CSSFontFace : public RefCounted<CSSFontFace> {	45	class CSSFontFace : public RefCounted<CSSFontFace> {
47	public:	46	public:
48	static Ref<CSSFontFace> create(FontTraitsMask traitsMask, RefPtr<CSSFontFaceRule>&& rule, bool isLocalFallback = false) { return adoptRef(*new CSSFontFace(traitsMask, WTFMove(rule), isLocalFallback)); }	47	static Ref<CSSFontFace> create(FontTraitsMask traitsMask, bool isLocalFallback = false) { return adoptRef(*new CSSFontFace(traitsMask, isLocalFallback)); }
49		48
50	FontTraitsMask traitsMask() const { return m_traitsMask; }	49	FontTraitsMask traitsMask() const { return m_traitsMask; }
51		50
Lines 75-87 public: a/Source/WebCore/css/CSSFontFace.h_sec3
75	void addedToSegmentedFontFace(CSSSegmentedFontFace*);	74	void addedToSegmentedFontFace(CSSSegmentedFontFace*);
76	void removedFromSegmentedFontFace(CSSSegmentedFontFace*);	75	void removedFromSegmentedFontFace(CSSSegmentedFontFace*);
77		76
78	bool isValid() const;	77	bool allSourcesHaveFailed() const;
79		78
80	bool isLocalFallback() const { return m_isLocalFallback; }	79	bool isLocalFallback() const { return m_isLocalFallback; }
81		80
82	void addSource(std::unique_ptr<CSSFontFaceSource>);	81	void addSource(std::unique_ptr<FontFaceSource>&&);
83		82
84	void fontLoaded(CSSFontFaceSource*);	83	// Something asynchronous happened (but nothing in particular; if you want to know, you have to figure it out yourself).
		84	void kick(FontFaceSource&);
85		85
86	RefPtr<Font> font(const FontDescription&, bool syntheticBold, bool syntheticItalic);	86	RefPtr<Font> font(const FontDescription&, bool syntheticBold, bool syntheticItalic);
87		87
Lines 100-125 public: a/Source/WebCore/css/CSSFontFace.h_sec4
100	UChar32 m_to;	100	UChar32 m_to;
101	};	101	};
102		102
103	#if ENABLE(SVG_FONTS)
104	bool hasSVGFontFaceSource() const;
105	#endif
106
107	#if ENABLE(FONT_LOAD_EVENTS)
108	enum LoadState { NotLoaded, Loading, Loaded, Error };
109	LoadState loadState() const { return m_loadState; }
110	#endif
111
112	private:	103	private:
113	CSSFontFace(FontTraitsMask traitsMask, RefPtr<CSSFontFaceRule>&& rule, bool isLocalFallback)	104	CSSFontFace(FontTraitsMask traitsMask, bool isLocalFallback)
114	: m_traitsMask(traitsMask)	105	: m_traitsMask(traitsMask)
115	, m_activeSource(0)
116	, m_isLocalFallback(isLocalFallback)	106	, m_isLocalFallback(isLocalFallback)
117	#if ENABLE(FONT_LOAD_EVENTS)
118	, m_loadState(isLocalFallback ? Loaded : NotLoaded)
119	, m_rule(rule)
120	#endif
121	{	107	{
122	UNUSED_PARAM(rule);
123	}	108	}
124		109
125	FontTraitsMask m_traitsMask;	110	FontTraitsMask m_traitsMask;
Lines 127-141 private: a/Source/WebCore/css/CSSFontFace.h_sec5
127	HashSet<CSSSegmentedFontFace*> m_segmentedFontFaces;	112	HashSet<CSSSegmentedFontFace*> m_segmentedFontFaces;
128	FontFeatureSettings m_featureSettings;	113	FontFeatureSettings m_featureSettings;
129	FontVariantSettings m_variantSettings;	114	FontVariantSettings m_variantSettings;
130	Vector<std::unique_ptr<CSSFontFaceSource>> m_sources;	115	Vector<std::unique_ptr<FontFaceSource>> m_sources;
131	CSSFontFaceSource* m_activeSource;
132	bool m_isLocalFallback;	116	bool m_isLocalFallback;
133	#if ENABLE(FONT_LOAD_EVENTS)
134	LoadState m_loadState;
135	RefPtr<CSSFontFaceRule> m_rule;
136	void notifyFontLoader(LoadState);
137	void notifyLoadingDone();
138	#endif
139	};	117	};
140		118
141	}	119	}

Lines 1-163 a/Source/WebCore/css/CSSFontFaceSource.cpp_sec1
- a/Source/WebCore/css/CSSFontFaceSource.cpp -163 lines
1	/*
2	* Copyright (C) 2007, 2008, 2010, 2011 Apple Inc. All rights reserved.
3	*
4	* Redistribution and use in source and binary forms, with or without
5	* modification, are permitted provided that the following conditions
6	* are met:
7	* 1. Redistributions of source code must retain the above copyright
8	* notice, this list of conditions and the following disclaimer.
9	* 2. Redistributions in binary form must reproduce the above copyright
10	* notice, this list of conditions and the following disclaimer in the
11	* documentation and/or other materials provided with the distribution.
12	*
13	* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20	* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21	* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24	*/
25
26	#include "config.h"
27	#include "CSSFontFaceSource.h"
28
29	#include "CSSFontFace.h"
30	#include "CSSFontSelector.h"
31	#include "CachedFont.h"
32	#include "CachedResourceLoader.h"
33	#include "Document.h"
34	#include "ElementIterator.h"
35	#include "Font.h"
36	#include "FontCache.h"
37	#include "FontDescription.h"
38
39	#if ENABLE(SVG_OTF_CONVERTER)
40	#include "FontCustomPlatformData.h"
41	#include "SVGToOTFFontConversion.h"
42	#endif
43
44	#if ENABLE(SVG_FONTS)
45	#include "CachedSVGFont.h"
46	#include "FontCustomPlatformData.h"
47	#include "SVGFontData.h"
48	#include "SVGFontElement.h"
49	#include "SVGFontFaceElement.h"
50	#include "SVGNames.h"
51	#include "SVGURIReference.h"
52	#endif
53
54	namespace WebCore {
55
56	CSSFontFaceSource::CSSFontFaceSource(const String& str, CachedFont* font)
57	: m_string(str)
58	, m_font(font)
59	, m_face(0)
60	{
61	if (m_font)
62	m_font->addClient(this);
63	}
64
65	CSSFontFaceSource::~CSSFontFaceSource()
66	{
67	if (m_font)
68	m_font->removeClient(this);
69	}
70
71	bool CSSFontFaceSource::isValid() const
72	{
73	if (m_font)
74	return !m_font->errorOccurred();
75	return true;
76	}
77
78	void CSSFontFaceSource::fontLoaded(CachedFont*)
79	{
80	if (m_face)
81	m_face->fontLoaded(this);
82	}
83
84	RefPtr<Font> CSSFontFaceSource::font(const FontDescription& fontDescription, bool syntheticBold, bool syntheticItalic, CSSFontSelector* fontSelector, const FontFeatureSettings& fontFaceFeatures, const FontVariantSettings& fontFaceVariantSettings)
85	{
86	// If the font hasn't loaded or an error occurred, then we've got nothing.
87	if (!isValid())
88	return nullptr;
89
90	if (!m_font
91	#if ENABLE(SVG_FONTS)
92	&& !m_svgFontFaceElement
93	#endif
94	) {
95	// We're local. Just return a Font from the normal cache.
96	// We don't want to check alternate font family names here, so pass true as the checkingAlternateName parameter.
97	return FontCache::singleton().fontForFamily(fontDescription, m_string, true);
98	}
99
100	if (!m_font \|\| m_font->isLoaded()) {
101	if (m_font) {
102	if (!m_font->ensureCustomFontData(m_string))
103	return nullptr;
104
105	return m_font->createFont(fontDescription, m_string, syntheticBold, syntheticItalic, fontFaceFeatures, fontFaceVariantSettings);
106	} else {
107	#if ENABLE(SVG_FONTS)
108	// In-Document SVG Fonts
109	if (m_svgFontFaceElement) {
110	#if ENABLE(SVG_OTF_CONVERTER)
111	if (!m_svgFontFaceElement->parentNode() \|\| !is<SVGFontElement>(m_svgFontFaceElement->parentNode()))
112	return nullptr;
113	SVGFontElement& fontElement = downcast<SVGFontElement>(*m_svgFontFaceElement->parentNode());
114	// FIXME: Re-run this when script modifies the element or any of its descendents
115	// FIXME: We might have already converted this font. Make existing conversions discoverable.
116	if (auto otfFont = convertSVGToOTFFont(fontElement))
117	m_generatedOTFBuffer = SharedBuffer::adoptVector(otfFont.value());
118	if (!m_generatedOTFBuffer)
119	return nullptr;
120	auto customPlatformData = createFontCustomPlatformData(*m_generatedOTFBuffer);
121	if (!customPlatformData)
122	return nullptr;
123	return Font::create(customPlatformData->fontPlatformData(fontDescription, syntheticBold, syntheticItalic, fontFaceFeatures, fontFaceVariantSettings), true, false);
124	#else
125	return Font::create(std::make_unique<SVGFontData>(m_svgFontFaceElement.get()), fontDescription.computedPixelSize(), syntheticBold, syntheticItalic);
126	#endif
127	}
128	#endif
129	return nullptr;
130	}
131	} else {
132	// Kick off the load. Do it soon rather than now, because we may be in the middle of layout,
133	// and the loader may invoke arbitrary delegate or event handler code.
134	fontSelector->beginLoadingFontSoon(m_font.get());
135
136	return Font::create(FontCache::singleton().lastResortFallbackFont(fontDescription)->platformData(), true, true);
137	}
138	}
139
140	#if ENABLE(SVG_FONTS)
141	bool CSSFontFaceSource::isSVGFontFaceSource() const
142	{
143	return m_svgFontFaceElement \|\| is<CachedSVGFont>(m_font.get());
144	}
145	#endif
146
147	#if ENABLE(FONT_LOAD_EVENTS)
148	bool CSSFontFaceSource::isDecodeError() const
149	{
150	if (m_font)
151	return m_font->status() == CachedResource::DecodeError;
152	return false;
153	}
154
155	bool CSSFontFaceSource::ensureFontData()
156	{
157	if (!m_font)
158	return false;
159	return m_font->ensureCustomFontData(m_hasExternalSVGFont, m_string);
160	}
161	#endif
162
163	}

Lines 1-95 a/Source/WebCore/css/CSSFontFaceSource.h_sec1
- a/Source/WebCore/css/CSSFontFaceSource.h -95 lines
1	/*
2	* Copyright (C) 2007, 2008, 2011 Apple Inc. All rights reserved.
3	*
4	* Redistribution and use in source and binary forms, with or without
5	* modification, are permitted provided that the following conditions
6	* are met:
7	* 1. Redistributions of source code must retain the above copyright
8	* notice, this list of conditions and the following disclaimer.
9	* 2. Redistributions in binary form must reproduce the above copyright
10	* notice, this list of conditions and the following disclaimer in the
11	* documentation and/or other materials provided with the distribution.
12	*
13	* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14	* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20	* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21	* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24	*/
25
26	#ifndef CSSFontFaceSource_h
27	#define CSSFontFaceSource_h
28
29	#include "CachedFontClient.h"
30	#include "CachedResourceHandle.h"
31	#include "SharedBuffer.h"
32	#if ENABLE(SVG_FONTS)
33	#include "SVGFontElement.h"
34	#include "SVGFontFaceElement.h"
35	#endif
36	#include "Timer.h"
37	#include <wtf/text/AtomicString.h>
38
39	namespace WebCore {
40
41	class CSSFontFace;
42	class CSSFontSelector;
43	class Font;
44	class FontDescription;
45	class FontFeatureSettings;
46	struct FontVariantSettings;
47
48	class CSSFontFaceSource final : public CachedFontClient {
49	WTF_MAKE_FAST_ALLOCATED;
50	public:
51	CSSFontFaceSource(const String&, CachedFont* = nullptr);
52	virtual ~CSSFontFaceSource();
53
54	bool isValid() const;
55
56	const AtomicString& string() const { return m_string; }
57
58	void setFontFace(CSSFontFace* face) { m_face = face; }
59
60	virtual void fontLoaded(CachedFont*) override;
61
62	RefPtr<Font> font(const FontDescription&, bool syntheticBold, bool syntheticItalic, CSSFontSelector*, const FontFeatureSettings&, const FontVariantSettings&);
63
64	void pruneTable();
65
66	#if ENABLE(SVG_FONTS)
67	SVGFontFaceElement* svgFontFaceElement() const { return m_svgFontFaceElement.get(); }
68	void setSVGFontFaceElement(PassRefPtr<SVGFontFaceElement> element) { m_svgFontFaceElement = element; }
69	bool isSVGFontFaceSource() const;
70	#endif
71
72	#if ENABLE(FONT_LOAD_EVENTS)
73	bool isDecodeError() const;
74	bool ensureFontData();
75	#endif
76
77	private:
78	void startLoadingTimerFired();
79
80	AtomicString m_string; // URI for remote, built-in font name for local.
81	CachedResourceHandle<CachedFont> m_font; // For remote fonts, a pointer to our cached resource.
82	CSSFontFace* m_face; // Our owning font face.
83
84	#if ENABLE(SVG_OTF_CONVERTER)
85	RefPtr<SharedBuffer> m_generatedOTFBuffer;
86	#endif
87
88	#if ENABLE(SVG_FONTS) \|\| ENABLE(SVG_OTF_CONVERTER)
89	RefPtr<SVGFontFaceElement> m_svgFontFaceElement;
90	#endif
91	};
92
93	}
94
95	#endif

Lines 27-33 a/Source/WebCore/css/CSSSegmentedFontFace.cpp_sec1
- a/Source/WebCore/css/CSSSegmentedFontFace.cpp -4 / +2 lines
27	#include "CSSSegmentedFontFace.h"	27	#include "CSSSegmentedFontFace.h"
28		28
29	#include "CSSFontFace.h"	29	#include "CSSFontFace.h"
30	#include "CSSFontFaceSource.h"
31	#include "CSSFontSelector.h"	30	#include "CSSFontSelector.h"
32	#include "Document.h"	31	#include "Document.h"
33	#include "Font.h"	32	#include "Font.h"
Lines 98-111 static void appendFontWithInvalidUnicodeRangeIfLoading(FontRanges& ranges, Ref<F a/Source/WebCore/css/CSSSegmentedFontFace.cpp_sec2
98		97
99	FontRanges CSSSegmentedFontFace::fontRanges(const FontDescription& fontDescription)	98	FontRanges CSSSegmentedFontFace::fontRanges(const FontDescription& fontDescription)
100	{	99	{
101	FontTraitsMask desiredTraitsMask = fontDescription.traitsMask();
102
103	auto addResult = m_descriptionToRangesMap.add(FontDescriptionKey(fontDescription), FontRanges());	100	auto addResult = m_descriptionToRangesMap.add(FontDescriptionKey(fontDescription), FontRanges());
104	auto& fontRanges = addResult.iterator->value;	101	auto& fontRanges = addResult.iterator->value;
105		102
106	if (addResult.isNewEntry) {	103	if (addResult.isNewEntry) {
		104	FontTraitsMask desiredTraitsMask = fontDescription.traitsMask();
107	for (auto& face : m_fontFaces) {	105	for (auto& face : m_fontFaces) {
108	if (!face->isValid())	106	if (face->allSourcesHaveFailed())
109	continue;	107	continue;
110		108
111	FontTraitsMask traitsMask = face->traitsMask();	109	FontTraitsMask traitsMask = face->traitsMask();

Line 0 a/Source/WebCore/css/CachedRemoteFontFaceSource.cpp_sec1
- a/Source/WebCore/css/CachedRemoteFontFaceSource.cpp +70 lines
		1	/*
		2	* Copyright (C) 2016 Apple Inc. All rights reserved.
		3	*
		4	* Redistribution and use in source and binary forms, with or without
		5	* modification, are permitted provided that the following conditions
		6	* are met:
		7	* 1. Redistributions of source code must retain the above copyright
		8	* notice, this list of conditions and the following disclaimer.
		9	* 2. Redistributions in binary form must reproduce the above copyright
		10	* notice, this list of conditions and the following disclaimer in the
		11	* documentation and/or other materials provided with the distribution.
		12	*
		13	* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
		14	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
		15	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
		16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
		17	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
		18	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
		19	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
		20	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
		21	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
		22	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
		23	* THE POSSIBILITY OF SUCH DAMAGE.
		24	*/
		25
		26	#include "config.h"
		27	#include "CachedRemoteFontFaceSource.h"
		28
		29	#include "CSSFontFace.h"
		30	#include "CSSFontSelector.h"
		31	#include "CachedFont.h"
		32
		33	namespace WebCore {
		34
		35	CachedRemoteFontFaceSource::CachedRemoteFontFaceSource(CSSFontFace& owner, CSSFontSelector& fontSelector, CachedFont& cachedFont, const AtomicString& remoteURI)
		36	: ByteBasedFontFaceSource(owner, remoteURI)
		37	, m_fontSelector(fontSelector)
		38	, m_cachedFont(cachedFont)
		39	{
		40	m_cachedFont.addClient(this);
		41	}
		42
		43	void CachedRemoteFontFaceSource::initiateLoad()
		44	{
		45	// Kick off the load. Do it soon rather than now, because we may be in the middle of layout,
		46	// and the loader may invoke arbitrary delegate or event handler code.
		47	m_fontSelector.beginLoadingFontSoon(&m_cachedFont);
		48	}
		49
		50	void CachedRemoteFontFaceSource::fontLoaded(CachedFont& font)
		51	{
		52	ASSERT_UNUSED(font, &font == &m_cachedFont);
		53	ASSERT(!m_cachedFont.isLoading());
		54
		55	// If the font is in the cache, this function will be called synchronously from CachedFont::addClient().
		56	if (state() == State::Pending)
		57	setState(State::Loading);
		58
		59	if (m_cachedFont.errorOccurred() \|\| !m_cachedFont.resourceBuffer()) {
		60	setState(State::Failed);
		61	owner().kick(*this);
		62	return;
		63	}
		64
65	m_cachedFont.setHasCreatedFontDataWrappingResource(bufferProvided(*m_cachedFont.resourceBuffer()));
66
67	owner().kick(*this);
68	}
69
70	}

Line 0 a/Source/WebCore/css/FontFaceSource.cpp_sec1
- a/Source/WebCore/css/FontFaceSource.cpp +130 lines
		1	/*
		2	* Copyright (C) 2016 Apple Inc. All rights reserved.
		3	*
		4	* Redistribution and use in source and binary forms, with or without
		5	* modification, are permitted provided that the following conditions
		6	* are met:
		7	* 1. Redistributions of source code must retain the above copyright
		8	* notice, this list of conditions and the following disclaimer.
		9	* 2. Redistributions in binary form must reproduce the above copyright
		10	* notice, this list of conditions and the following disclaimer in the
		11	* documentation and/or other materials provided with the distribution.
		12	*
		13	* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
		14	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
		15	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
		16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
		17	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
		18	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
		19	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
		20	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
		21	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
		22	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
		23	* THE POSSIBILITY OF SUCH DAMAGE.
		24	*/
		25
		26	#include "config.h"
		27	#include "FontFaceSource.h"
		28
		29	#include "FontDescription.h"
		30	#include "TextFlags.h"
		31
		32	namespace WebCore {
		33
		34	FontFaceSource::HashKey::HashKey()
		35	{
		36	}
		37
		38	FontFaceSource::HashKey::HashKey(const FontDescription& fontDescription, bool syntheticBold, bool syntheticItalic, const FontFeatureSettings& fontFaceFeatureSettings, const FontVariantSettings& fontFaceVariantSettings)
		39	: m_size(fontDescription.computedPixelSize() + 1) // We don't want to collide with an empty cache entry.
		40	, m_widthVariant(fontDescription.widthVariant())
		41	, m_orientation(fontDescription.orientation())
		42	, m_syntheticBold(syntheticBold)
		43	, m_syntheticItalic(syntheticItalic)
		44	, m_textRenderingMode(fontDescription.textRenderingMode())
		45	, m_descriptionFeatureSettings(fontDescription.featureSettings())
		46	, m_fontFaceFeatureSettings(fontFaceFeatureSettings)
		47	, m_descriptionVariantSettings(fontDescription.variantSettings())
		48	, m_fontFaceVariantSettings(fontFaceVariantSettings)
		49	{
		50	ASSERT(m_size > 0 && m_size < cHashTableDeletedSize);
		51	}
		52
		53	FontFaceSource::HashKey::HashKey(WTF::HashTableDeletedValueType)
		54	: m_size(cHashTableDeletedSize)
		55	{
		56	}
		57
		58	bool FontFaceSource::HashKey::isHashTableDeletedValue() const
		59	{
		60	return m_size == cHashTableDeletedSize;
		61	}
		62
		63	bool FontFaceSource::HashKey::operator==(const HashKey& other) const
		64	{
65	return m_size == other.m_size
66	&& m_widthVariant == other.m_widthVariant
67	&& m_orientation == other.m_orientation
68	&& m_syntheticBold == other.m_syntheticBold
69	&& m_syntheticItalic == other.m_syntheticItalic
70	&& m_textRenderingMode == other.m_textRenderingMode
71	&& m_descriptionFeatureSettings == other.m_descriptionFeatureSettings
72	&& m_fontFaceFeatureSettings == other.m_fontFaceFeatureSettings
73	&& m_descriptionVariantSettings == other.m_descriptionVariantSettings
74	&& m_fontFaceVariantSettings == other.m_fontFaceVariantSettings;
75	}
76
77	bool FontFaceSource::HashKey::operator!=(const HashKey& other) const
78	{
79	return !(*this == other);
80	}
81
82	unsigned FontFaceSource::HashKey::hash(const HashKey& key)
83	{
84	IntegerHasher hasher;
85	hasher.add(key.m_size);
86	hasher.add(key.m_widthVariant);
87	hasher.add(key.m_orientation);
88	hasher.add(key.m_syntheticBold);
89	hasher.add(key.m_syntheticItalic);
90	hasher.add(key.m_textRenderingMode);
91	hasher.add(key.m_descriptionFeatureSettings.hash());
92	hasher.add(key.m_fontFaceFeatureSettings.hash());
93	hasher.add(key.m_descriptionVariantSettings.hash());
94	hasher.add(key.m_fontFaceVariantSettings.hash());
95	return hasher.hash();
96	}
97
98	bool FontFaceSource::HashKey::equal(const HashKey& a, const HashKey& b)
99	{
100	return a == b;
101	}
102
103	const unsigned FontFaceSource::HashKey::cHashTableDeletedSize = 0xFFFFFFFFU;
104
105	FontFaceSource::FontFaceSource(CSSFontFace& owner)
106	: m_owner(owner)
107	{
108	}
109
110	void FontFaceSource::load()
111	{
112	ASSERT(m_state == State::Pending);
113	setState(State::Loading);
114	initiateLoad();
115	}
116
117	RefPtr<Font> FontFaceSource::font(const FontDescription& fontDescription, bool syntheticBold, bool syntheticItalic, const FontFeatureSettings& fontFaceFeatureSettings, const FontVariantSettings& fontFaceVariantSettings)
118	{
119	ASSERT(m_state == State::Succeeded);
120	if (!shouldCache())
121	return createFont(fontDescription, syntheticBold, syntheticItalic, fontFaceFeatureSettings, fontFaceVariantSettings);
122
123	HashKey hashKey(fontDescription, syntheticBold, syntheticItalic, fontFaceFeatureSettings, fontFaceVariantSettings);
124	auto addResult = m_cache.add(hashKey, nullptr);
125	if (addResult.isNewEntry)
126	addResult.iterator->value = createFont(fontDescription, syntheticBold, syntheticItalic, fontFaceFeatureSettings, fontFaceVariantSettings);
127	return addResult.iterator->value;
128	}
129
130	}

Line 0 a/Source/WebCore/css/FontFaceSource.h_sec1
- a/Source/WebCore/css/FontFaceSource.h +118 lines
		1	/*
		2	* Copyright (C) 2016 Apple Inc. All rights reserved.
		3	*
		4	* Redistribution and use in source and binary forms, with or without
		5	* modification, are permitted provided that the following conditions
		6	* are met:
		7	* 1. Redistributions of source code must retain the above copyright
		8	* notice, this list of conditions and the following disclaimer.
		9	* 2. Redistributions in binary form must reproduce the above copyright
		10	* notice, this list of conditions and the following disclaimer in the
		11	* documentation and/or other materials provided with the distribution.
		12	*
		13	* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
		14	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
		15	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
		16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
		17	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
		18	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
		19	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
		20	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
		21	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
		22	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
		23	* THE POSSIBILITY OF SUCH DAMAGE.
		24	*/
		25
		26	#ifndef FontFaceSource_h
		27	#define FontFaceSource_h
		28
		29	#include "Font.h"
		30	#include "FontFeatureSettings.h"
		31
		32	namespace WebCore {
		33
		34	class CSSFontFace;
		35	class Font;
		36	class FontDescription;
		37	class FontFeatureSettings;
		38	struct FontVariantSettings;
		39
		40	// This class represents a single clause of a src: attribute inside an @font-face block.
		41	class FontFaceSource {
		42	WTF_MAKE_FAST_ALLOCATED;
		43	public:
		44	FontFaceSource(CSSFontFace& owner);
		45	virtual ~FontFaceSource() { }
		46
		47	// -> Succeeded
		48	// /
		49	// Pending -> Loading
		50	// \
		51	// -> Failed
		52	enum class State {
		53	Pending,
		54	Loading,
		55	Failed,
		56	Succeeded
		57	};
		58	State state() const { return m_state; }
		59
		60	// State transition from Pending to Loading
		61	void load();
		62
		63	// Subclasses handle the transition from Loading to Failed/Succeeded.
		64
65	// Only valid when state is Succeeded
66	RefPtr<Font> font(const FontDescription&, bool syntheticBold, bool syntheticItalic, const FontFeatureSettings& fontFaceFeatureSettings, const FontVariantSettings& fontFaceVariantSettings);
67
68	protected:
69	CSSFontFace& owner() const { return m_owner; }
70	void setState(State state) { m_state = state; }
71
72	private:
73	// Among the many arguments to font(), this key is only sensitive to the pieces that are actually used when creating a Font.
74	// Other values are expected (indeed, encouraged) to collide for performance.
75	class HashKey {
76	public:
77	HashKey();
78	HashKey(const FontDescription&, bool syntheticBold, bool syntheticItalic, const FontFeatureSettings& fontFaceFeatureSettings, const FontVariantSettings& fontFaceVariantSettings);
79
80	explicit HashKey(WTF::HashTableDeletedValueType);
81
82	bool isHashTableDeletedValue() const;
83
84	bool operator==(const HashKey& other) const;
85	bool operator!=(const HashKey& other) const;
86
87	static unsigned hash(const HashKey&);
88	static bool equal(const HashKey&, const HashKey&);
89
90	static const bool safeToCompareToEmptyOrDeleted = true;
91
92	private:
93	static const unsigned cHashTableDeletedSize;
94
95	unsigned m_size { 0 };
96	FontWidthVariant m_widthVariant { RegularWidth };
97	FontOrientation m_orientation { Horizontal };
98	bool m_syntheticBold { false };
99	bool m_syntheticItalic { false };
100	TextRenderingMode m_textRenderingMode { AutoTextRendering };
101	FontFeatureSettings m_descriptionFeatureSettings;
102	FontFeatureSettings m_fontFaceFeatureSettings;
103	FontVariantSettings m_descriptionVariantSettings;
104	FontVariantSettings m_fontFaceVariantSettings;
105	};
106
107	virtual bool shouldCache() const { return true; }
108	virtual void initiateLoad() = 0;
109	virtual RefPtr<Font> createFont(const FontDescription&, bool syntheticBold, bool syntheticItalic, const FontFeatureSettings& fontFaceFeatureSettings, const FontVariantSettings& fontFaceVariantSettings) = 0;
110
111	CSSFontFace& m_owner;
112	HashMap<HashKey, RefPtr<Font>, HashKey, WTF::SimpleClassHashTraits<HashKey>> m_cache;
113	State m_state { State::Pending };
114	};
115
116	}
117
118	#endif

Line 0 a/Source/WebCore/css/ImmediateFontFaceSource.h_sec1
- a/Source/WebCore/css/ImmediateFontFaceSource.h +53 lines
	1	/*
	2	* Copyright (C) 2016 Apple Inc. All rights reserved.
	3	*
	4	* Redistribution and use in source and binary forms, with or without
	5	* modification, are permitted provided that the following conditions
	6	* are met:
	7	* 1. Redistributions of source code must retain the above copyright
	8	* notice, this list of conditions and the following disclaimer.
	9	* 2. Redistributions in binary form must reproduce the above copyright
	10	* notice, this list of conditions and the following disclaimer in the
	11	* documentation and/or other materials provided with the distribution.
	12	*
	13	* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
	14	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	15	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
	17	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	18	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	19	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	20	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	21	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	22	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	23	* THE POSSIBILITY OF SUCH DAMAGE.
	24	*/
	25
	26	#ifndef ImmediateFontFaceSource_h
	27	#define ImmediateFontFaceSource_h
	28
	29	#include "ByteBasedFontFaceSource.h"
	30
	31	namespace WebCore {
	32
	33	class ImmediateFontFaceSource final : public ByteBasedFontFaceSource {
	34	public:
	35	ImmediateFontFaceSource(CSSFontFace& owner, JSC::ArrayBuffer& data)
	36	: ByteBasedFontFaceSource(owner)
	37	{
	38	setState(State::Loading);
	39	bufferProvided(data);
	40	}
	41
	42	private:
	43	virtual void initiateLoad() override
	44	{
	45	ASSERT_NOT_REACHED();
	46	}
	47	};
	48
	49	}
	50
	51	#endif
	52
	53

Line 0 a/Source/WebCore/css/InDocumentSVGFontFaceSource.cpp_sec1
- a/Source/WebCore/css/InDocumentSVGFontFaceSource.cpp +60 lines
	1	/*
	2	* Copyright (C) 2016 Apple Inc. All rights reserved.
	3	*
	4	* Redistribution and use in source and binary forms, with or without
	5	* modification, are permitted provided that the following conditions
	6	* are met:
	7	* 1. Redistributions of source code must retain the above copyright
	8	* notice, this list of conditions and the following disclaimer.
	9	* 2. Redistributions in binary form must reproduce the above copyright
	10	* notice, this list of conditions and the following disclaimer in the
	11	* documentation and/or other materials provided with the distribution.
	12	*
	13	* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
	14	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	15	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
	17	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	18	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	19	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	20	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	21	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	22	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	23	* THE POSSIBILITY OF SUCH DAMAGE.
	24	*/
	25
	26	#include "config.h"
	27	#include "InDocumentSVGFontFaceSource.h"
	28
	29	#include "SVGFontElement.h"
	30	#include "SVGFontFaceElement.h"
	31	#include "SVGToOTFFontConversion.h"
	32	#include "SharedBuffer.h"
	33
	34	namespace WebCore {
	35
	36	InDocumentSVGFontFaceSource::InDocumentSVGFontFaceSource(CSSFontFace& owner, SVGFontFaceElement& fontFace, const AtomicString& remoteURI)
	37	: ByteBasedFontFaceSource(owner, remoteURI, false)
	38	, m_svgFontFaceElement(fontFace)
	39	{
	40	}
	41
	42	void InDocumentSVGFontFaceSource::initiateLoad()
	43	{
	44	if (!m_svgFontFaceElement->parentNode() \|\| !is<SVGFontElement>(m_svgFontFaceElement->parentNode())) {
	45	setState(State::Failed);
	46	return;
	47	}
	48
	49	SVGFontElement& fontElement = downcast<SVGFontElement>(*m_svgFontFaceElement->parentNode());
	50
	51	if (auto otfFont = convertSVGToOTFFont(fontElement)) {
	52	RefPtr<SharedBuffer> buffer = SharedBuffer::adoptVector(otfFont.value());
	53	bufferProvided(*buffer);
	54	return;
	55	}
	56
	57	setState(State::Failed);
	58	}
	59
	60	}

Line 0 a/Source/WebCore/css/LocalFontFaceSource.cpp_sec1
- a/Source/WebCore/css/LocalFontFaceSource.cpp +54 lines
	1	/*
	2	* Copyright (C) 2016 Apple Inc. All rights reserved.
	3	*
	4	* Redistribution and use in source and binary forms, with or without
	5	* modification, are permitted provided that the following conditions
	6	* are met:
	7	* 1. Redistributions of source code must retain the above copyright
	8	* notice, this list of conditions and the following disclaimer.
	9	* 2. Redistributions in binary form must reproduce the above copyright
	10	* notice, this list of conditions and the following disclaimer in the
	11	* documentation and/or other materials provided with the distribution.
	12	*
	13	* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
	14	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	15	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
	17	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	18	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	19	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	20	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	21	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	22	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	23	* THE POSSIBILITY OF SUCH DAMAGE.
	24	*/
	25
	26	#include "config.h"
	27	#include "LocalFontFaceSource.h"
	28
	29	#include "FontCache.h"
	30
	31	namespace WebCore {
	32
	33	LocalFontFaceSource::LocalFontFaceSource(CSSFontFace& owner, const String& familyName)
	34	: FontFaceSource(owner)
	35	, m_familyName(familyName)
	36	{
	37	}
	38
	39	void LocalFontFaceSource::initiateLoad()
	40	{
	41	setState(State::Succeeded);
	42	}
	43
	44	RefPtr<Font> LocalFontFaceSource::createFont(const FontDescription& fontDescription, bool, bool, const FontFeatureSettings&, const FontVariantSettings&)
	45	{
	46	// The @font-face block's bold/italic style may disagree with our own knowledge of the real traits of a preinstalled font.
	47	// In this situation, we should consider the real traits of the preinstalled font when determining if we should apply synthetic bold/italic.
	48	// Luckily, FontCache automatically does this for us, so we simply disregard the @font-face block's bold/italic style.
	49
	50	// FIXME: This local font face needs to apply the @font-face's font feature properties.
	51	return FontCache::singleton().fontForFamily(fontDescription, m_familyName, true);
	52	}
	53
	54	}

Line 0 a/Source/WebCore/css/UncachedRemoteFontFaceSource.cpp_sec1
- a/Source/WebCore/css/UncachedRemoteFontFaceSource.cpp +97 lines
		1	/*
		2	* Copyright (C) 2016 Apple Inc. All rights reserved.
		3	*
		4	* Redistribution and use in source and binary forms, with or without
		5	* modification, are permitted provided that the following conditions
		6	* are met:
		7	* 1. Redistributions of source code must retain the above copyright
		8	* notice, this list of conditions and the following disclaimer.
		9	* 2. Redistributions in binary form must reproduce the above copyright
		10	* notice, this list of conditions and the following disclaimer in the
		11	* documentation and/or other materials provided with the distribution.
		12	*
		13	* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
		14	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
		15	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
		16	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
		17	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
		18	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
		19	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
		20	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
		21	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
		22	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
		23	* THE POSSIBILITY OF SUCH DAMAGE.
		24	*/
		25
		26	#include "config.h"
		27	#include "UncachedRemoteFontFaceSource.h"
		28
		29	#include "CSSFontFace.h"
		30	#include "Event.h"
		31
		32	namespace WebCore {
		33
		34	UncachedRemoteFontFaceSource::Listener::Listener(WeakPtr<UncachedRemoteFontFaceSource>&& owner)
		35	: EventListener(EventListener::CPPEventListenerType)
		36	, m_owner(WTFMove(owner))
		37	{
		38	}
		39
		40	void UncachedRemoteFontFaceSource::Listener::handleEvent(ScriptExecutionContext, Event event)
		41	{
		42	if (!m_owner)
		43	return;
		44
		45	m_owner->loadFinished(event && event->type() == eventNames().successEvent);
		46	}
		47
		48	bool UncachedRemoteFontFaceSource::Listener::operator==(const EventListener& other)
		49	{
		50	return this == &other;
		51	}
		52
		53	UncachedRemoteFontFaceSource::UncachedRemoteFontFaceSource(CSSFontFace& owner, ScriptExecutionContext& scriptExecutionContext, const URL& url)
		54	: ByteBasedFontFaceSource(owner, url.string())
		55	, m_factory(this)
		56	, m_xmlHttpRequest(XMLHttpRequest::create(scriptExecutionContext))
		57	, m_listener(Listener::create(m_factory.createWeakPtr()))
		58	, m_url(url)
		59	{
		60	m_xmlHttpRequest->addEventListener(eventNames().successEvent, m_listener.copyRef(), false);
		61	m_xmlHttpRequest->addEventListener(eventNames().errorEvent, m_listener.copyRef(), false);
		62	m_xmlHttpRequest->addEventListener(eventNames().abortEvent, m_listener.copyRef(), false);
		63	}
		64
65	void UncachedRemoteFontFaceSource::initiateLoad()
66	{
67	ExceptionCode ec = 0;
68	m_xmlHttpRequest->open(String("GET", String::ConstructFromLiteral), m_url, ec);
69	if (ec) {
70	setState(State::Failed);
71	return;
72	}
73	m_xmlHttpRequest->setResponseType(String("arraybuffer", String::ConstructFromLiteral), ec);
74	if (ec) {
75	setState(State::Failed);
76	return;
77	}
78	m_xmlHttpRequest->send(ec);
79	if (ec) {
80	setState(State::Failed);
81	return;
82	}
83	}
84
85	void UncachedRemoteFontFaceSource::loadFinished(bool success)
86	{
87	if (!success \|\| !m_xmlHttpRequest->responseArrayBuffer()) {
88	setState(State::Failed);
89	return;
90	}
91
92	bufferProvided(*m_xmlHttpRequest->responseArrayBuffer());
93
94	owner().kick(*this);
95	}
96
97	}

Lines 73-79 void CachedFont::didAddClient(CachedResourceClient* c) a/Source/WebCore/loader/cache/CachedFont.cpp_sec1
- a/Source/WebCore/loader/cache/CachedFont.cpp -2 / +2 lines
73	{	73	{
74	ASSERT(c->resourceClientType() == CachedFontClient::expectedType());	74	ASSERT(c->resourceClientType() == CachedFontClient::expectedType());
75	if (!isLoading())	75	if (!isLoading())
76	static_cast<CachedFontClient*>(c)->fontLoaded(this);	76	static_cast<CachedFontClient>(c)->fontLoaded(this);
77	}	77	}
78		78
79	void CachedFont::finishLoading(SharedBuffer* data)	79	void CachedFont::finishLoading(SharedBuffer* data)
Lines 150-156 void CachedFont::checkNotify() a/Source/WebCore/loader/cache/CachedFont.cpp_sec2
150		150
151	CachedResourceClientWalker<CachedFontClient> w(m_clients);	151	CachedResourceClientWalker<CachedFontClient> w(m_clients);
152	while (CachedFontClient* c = w.next())	152	while (CachedFontClient* c = w.next())
153	c->fontLoaded(this);	153	c->fontLoaded(*this);
154	}	154	}
155		155
156	bool CachedFont::mayTryReplaceEncodedData() const	156	bool CachedFont::mayTryReplaceEncodedData() const

Lines 118-138 private: a/Source/WebCore/platform/graphics/FontCache.h_sec1
- a/Source/WebCore/platform/graphics/FontCache.h -15 / +1 lines
118	\| static_cast<unsigned>(description.orientation()) << 2	118	\| static_cast<unsigned>(description.orientation()) << 2
119	\| static_cast<unsigned>(description.italic()) << 1	119	\| static_cast<unsigned>(description.italic()) << 1
120	\| static_cast<unsigned>(description.renderingMode());	120	\| static_cast<unsigned>(description.renderingMode());
121	unsigned second = static_cast<unsigned>(description.variantEastAsianRuby()) << 27	121	unsigned second = description.variantSettings().uniqueValue();
122	\| static_cast<unsigned>(description.variantEastAsianWidth()) << 25
123	\| static_cast<unsigned>(description.variantEastAsianVariant()) << 22
124	\| static_cast<unsigned>(description.variantAlternates()) << 21
125	\| static_cast<unsigned>(description.variantNumericSlashedZero()) << 20
126	\| static_cast<unsigned>(description.variantNumericOrdinal()) << 19
127	\| static_cast<unsigned>(description.variantNumericFraction()) << 17
128	\| static_cast<unsigned>(description.variantNumericSpacing()) << 15
129	\| static_cast<unsigned>(description.variantNumericFigure()) << 13
130	\| static_cast<unsigned>(description.variantCaps()) << 10
131	\| static_cast<unsigned>(description.variantPosition()) << 8
132	\| static_cast<unsigned>(description.variantContextualAlternates()) << 6
133	\| static_cast<unsigned>(description.variantHistoricalLigatures()) << 4
134	\| static_cast<unsigned>(description.variantDiscretionaryLigatures()) << 2
135	\| static_cast<unsigned>(description.variantCommonLigatures());
136	return {{ first, second }};	122	return {{ first, second }};
137	}	123	}
138		124