Attachment 182537 Details for Bug 102643 – Patch

[patch] Patch

bug-102643-20130114201301.patch (text/plain), 36.98 KB, created by Eunmi Lee on 2013-01-14 03:16:02 PST

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Creator: Eunmi Lee

Created: 2013-01-14 03:16:02 PST

Size: 36.98 KB

patch

obsolete

>Subversion Revision: 139587
>diff --git a/Source/WebKit2/ChangeLog b/Source/WebKit2/ChangeLog
>index cd9eaa30e615b6d5f91e8cd4a57bf222d2cf9819..74395d1ede33b76834876b887ce96f06e180a0df 100644
>--- a/Source/WebKit2/ChangeLog
>+++ b/Source/WebKit2/ChangeLog
>@@ -1,3 +1,83 @@
>+2013-01-14  Eunmi Lee  <eunmi15.lee@samsung.com>
>+
>+        [EFL][WK2] Implement gesture recognizer.
>+        https://bugs.webkit.org/show_bug.cgi?id=102643
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Recognize tap, pan and pinch gestures using TouchEvents.
>+        The tap gesture is separated into single tap, double tap and
>+        'tap and hold'.
>+
>+        * PlatformEfl.cmake:
>+        * UIProcess/API/efl/EwkViewImpl.cpp:
>+        (EwkViewImpl::EwkViewImpl):
>+        * UIProcess/API/efl/EwkViewImpl.h:
>+        (WebKit):
>+        (EwkViewImpl):
>+        (EwkViewImpl::gestureRecognizer):
>+        * UIProcess/efl/GestureHandler.cpp: Added.
>+        (WebKit):
>+        (WebKit::GestureHandler::GestureHandler):
>+        * UIProcess/efl/GestureHandler.h: Added.
>+        (WebCore):
>+        (WebKit):
>+        (GestureHandler):
>+        (WebKit::GestureHandler::~GestureHandler):
>+        * UIProcess/efl/GestureRecognizer.cpp: Added.
>+        (WebKit):
>+        (WebKit::GestureRecognizer::GestureRecognizer):
>+        (WebKit::GestureRecognizer::processTouchEvent):
>+        (WebKit::GestureRecognizer::start):
>+        (WebKit::GestureRecognizer::update):
>+        (WebKit::GestureRecognizer::end):
>+        (WebKit::GestureRecognizer::cancel):
>+        * UIProcess/efl/GestureRecognizer.h: Added.
>+        (WebCore):
>+        (WebKit):
>+        (GestureRecognizer):
>+        (WebKit::GestureRecognizer::create):
>+        (WebKit::GestureRecognizer::~GestureRecognizer):
>+        * UIProcess/efl/PageClientBase.cpp:
>+        (WebKit::PageClientBase::doneWithTouchEvent):
>+        * UIProcess/efl/PanGestureHandler.cpp: Added.
>+        (WebKit):
>+        (WebKit::PanGestureHandler::PanGestureHandler):
>+        (WebKit::PanGestureHandler::start):
>+        (WebKit::PanGestureHandler::update):
>+        (WebKit::PanGestureHandler::end):
>+        (WebKit::PanGestureHandler::cancel):
>+        * UIProcess/efl/PanGestureHandler.h: Added.
>+        (WebCore):
>+        (WebKit):
>+        (PanGestureHandler):
>+        * UIProcess/efl/PinchGestureHandler.cpp: Added.
>+        (WebKit):
>+        (WebKit::PinchGestureHandler::PinchGestureHandler):
>+        (WebKit::PinchGestureHandler::start):
>+        (WebKit::PinchGestureHandler::update):
>+        (WebKit::PinchGestureHandler::end):
>+        (WebKit::PinchGestureHandler::cancel):
>+        * UIProcess/efl/PinchGestureHandler.h: Added.
>+        (WebCore):
>+        (WebKit):
>+        (PinchGestureHandler):
>+        * UIProcess/efl/TapGestureHandler.cpp: Added.
>+        (WebKit):
>+        (WebKit::TapGestureHandler::TapGestureHandler):
>+        (WebKit::TapGestureHandler::start):
>+        (WebKit::TapGestureHandler::update):
>+        (WebKit::TapGestureHandler::end):
>+        (WebKit::TapGestureHandler::cancel):
>+        (WebKit::TapGestureHandler::processSingleTap):
>+        (WebKit::TapGestureHandler::processDoubleTap):
>+        (WebKit::TapGestureHandler::processTapAndHold):
>+        (WebKit::TapGestureHandler::doubleTapTimerCallback):
>+        (WebKit::TapGestureHandler::tapAndHoldTimerCallback):
>+        * UIProcess/efl/TapGestureHandler.h: Added.
>+        (WebKit):
>+        (TapGestureHandler):
>+
> 2013-01-11  Filip Pizlo  <fpizlo@apple.com>
> 
>         JITThunks should not compile only because of luck
>diff --git a/Source/WebKit2/PlatformEfl.cmake b/Source/WebKit2/PlatformEfl.cmake
>index c57c28eaf2fec26b1ea7419960d8f9364bb4e921..ec2598a2e562ffda3f0c9ba8abcec94ae6f8d93d 100644
>--- a/Source/WebKit2/PlatformEfl.cmake
>+++ b/Source/WebKit2/PlatformEfl.cmake
>@@ -84,6 +84,8 @@ list(APPEND WebKit2_SOURCES
>     UIProcess/efl/DownloadManagerEfl.cpp
>     UIProcess/efl/FindClientEfl.cpp
>     UIProcess/efl/FormClientEfl.cpp
>+    UIProcess/efl/GestureHandler.cpp
>+    UIProcess/efl/GestureRecognizer.cpp
>     UIProcess/efl/InputMethodContextEfl.cpp
>     UIProcess/efl/NetworkInfoProvider.cpp
>     UIProcess/efl/PageClientBase.cpp
>@@ -93,8 +95,11 @@ list(APPEND WebKit2_SOURCES
>     UIProcess/efl/PagePolicyClientEfl.cpp
>     UIProcess/efl/PageUIClientEfl.cpp
>     UIProcess/efl/PageViewportControllerClientEfl.cpp
>+    UIProcess/efl/PanGestureHandler.cpp
>+    UIProcess/efl/PinchGestureHandler.cpp
>     UIProcess/efl/RequestManagerClientEfl.cpp
>     UIProcess/efl/ResourceLoadClientEfl.cpp
>+    UIProcess/efl/TapGestureHandler.cpp
>     UIProcess/efl/TextCheckerEfl.cpp
>     UIProcess/efl/VibrationClientEfl.cpp
>     UIProcess/efl/WebContextEfl.cpp
>diff --git a/Source/WebKit2/UIProcess/API/efl/EwkViewImpl.cpp b/Source/WebKit2/UIProcess/API/efl/EwkViewImpl.cpp
>index 0ebe5f9ab63cf7027805abdfb2abcbdf4906b3c2..5a06b9dc352789fd6b16a53f351011358b4458e7 100644
>--- a/Source/WebKit2/UIProcess/API/efl/EwkViewImpl.cpp
>+++ b/Source/WebKit2/UIProcess/API/efl/EwkViewImpl.cpp
>@@ -78,6 +78,10 @@
> #include <Evas_GL.h>
> #endif
> 
>+#if ENABLE(TOUCH_EVENTS) && USE(TILED_BACKING_STORE)
>+#include "GestureRecognizer.h"
>+#endif
>+
> using namespace EwkViewCallbacks;
> using namespace WebCore;
> using namespace WebKit;
>@@ -138,6 +142,9 @@ EwkViewImpl::EwkViewImpl(Evas_Object* view, PassRefPtr<EwkContext> context, Pass
>     , m_mouseEventsEnabled(false)
> #if ENABLE(TOUCH_EVENTS)
>     , m_touchEventsEnabled(false)
>+#if USE(TILED_BACKING_STORE)
>+    , m_gestureRecognizer(GestureRecognizer::create(this))
>+#endif
> #endif
>     , m_displayTimer(this, &EwkViewImpl::displayTimerFired)
>     , m_inputMethodContext(InputMethodContextEfl::create(this, smartData()->base.evas))
>diff --git a/Source/WebKit2/UIProcess/API/efl/EwkViewImpl.h b/Source/WebKit2/UIProcess/API/efl/EwkViewImpl.h
>index bcd1c5dfd318c42a8e97d871e203feded5a950eb..1f69ba8601816f7d0883f50eca4dd5469151e312 100644
>--- a/Source/WebKit2/UIProcess/API/efl/EwkViewImpl.h
>+++ b/Source/WebKit2/UIProcess/API/efl/EwkViewImpl.h
>@@ -73,6 +73,10 @@ class VibrationClientEfl;
> #if USE(COORDINATED_GRAPHICS)
> class LayerTreeRenderer;
> #endif
>+
>+#if ENABLE(TOUCH_EVENTS) && USE(TILED_BACKING_STORE)
>+class GestureRecognizer;
>+#endif
> }
> 
> namespace WebCore {
>@@ -142,6 +146,9 @@ public:
> #if ENABLE(TOUCH_EVENTS)
>     bool touchEventsEnabled() const { return m_touchEventsEnabled; }
>     void setTouchEventsEnabled(bool enabled);
>+#if USE(TILED_BACKING_STORE)
>+    WebKit::GestureRecognizer* gestureRecognizer() { return m_gestureRecognizer.get(); }
>+#endif
> #endif
> 
>     void setCursor(const WebCore::Cursor& cursor);
>@@ -277,6 +284,9 @@ private:
>     bool m_mouseEventsEnabled;
> #if ENABLE(TOUCH_EVENTS)
>     bool m_touchEventsEnabled;
>+#if USE(TILED_BACKING_STORE)
>+    OwnPtr<WebKit::GestureRecognizer> m_gestureRecognizer;
>+#endif
> #endif
>     WebCore::Timer<EwkViewImpl> m_displayTimer;
>     OwnPtr<EwkContextMenu> m_contextMenu;
>diff --git a/Source/WebKit2/UIProcess/efl/GestureHandler.cpp b/Source/WebKit2/UIProcess/efl/GestureHandler.cpp
>new file mode 100644
>index 0000000000000000000000000000000000000000..ee6bc8868ecf05811eec7d93733854958ea88393
>--- /dev/null
>+++ b/Source/WebKit2/UIProcess/efl/GestureHandler.cpp
>@@ -0,0 +1,41 @@
>+/*
>+ * Copyright (C) 2013 Samsung Electronics. 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 "GestureHandler.h"
>+
>+#if USE(TILED_BACKING_STORE)
>+
>+#include "EwkViewImpl.h"
>+
>+namespace WebKit {
>+
>+GestureHandler::GestureHandler(EwkViewImpl* viewImpl)
>+    : m_viewImpl(viewImpl)
>+{
>+}
>+
>+} // namespace WebKit
>+#endif // USE(TILED_BACKING_STORE)
>diff --git a/Source/WebKit2/UIProcess/efl/GestureHandler.h b/Source/WebKit2/UIProcess/efl/GestureHandler.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..49611a3861264fc54725877d91662b4d5bd25fcd
>--- /dev/null
>+++ b/Source/WebKit2/UIProcess/efl/GestureHandler.h
>@@ -0,0 +1,59 @@
>+/*
>+ * Copyright (C) 2013 Samsung Electronics. 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 GestureHandler_h
>+#define GestureHandler_h
>+
>+#if USE(TILED_BACKING_STORE)
>+
>+#include <wtf/Vector.h>
>+
>+namespace WebCore {
>+class IntPoint;
>+}
>+
>+class EwkViewImpl;
>+
>+namespace WebKit {
>+
>+class GestureHandler {
>+public:
>+    virtual ~GestureHandler() { }
>+
>+    virtual void start(const Vector<WebCore::IntPoint>&) = 0;
>+    virtual void update(const Vector<WebCore::IntPoint>&) = 0;
>+    virtual void end() = 0;
>+    virtual void cancel() = 0;
>+
>+protected:
>+    GestureHandler(EwkViewImpl*);
>+    EwkViewImpl* m_viewImpl;
>+};
>+
>+} // namespace WebKit
>+
>+#endif // USE(TILED_BACKING_STORE)
>+
>+#endif // GestureHandler_h
>diff --git a/Source/WebKit2/UIProcess/efl/GestureRecognizer.cpp b/Source/WebKit2/UIProcess/efl/GestureRecognizer.cpp
>new file mode 100644
>index 0000000000000000000000000000000000000000..7e4f9a50e4f7b53f0e232a40dfed42d92a2b3a24
>--- /dev/null
>+++ b/Source/WebKit2/UIProcess/efl/GestureRecognizer.cpp
>@@ -0,0 +1,129 @@
>+/*
>+ * Copyright (C) 2013 Samsung Electronics. 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 "GestureRecognizer.h"
>+
>+#if USE(TILED_BACKING_STORE)
>+
>+#include "EwkViewImpl.h"
>+#include "NativeWebTouchEvent.h"
>+
>+namespace WebKit {
>+
>+GestureRecognizer::GestureRecognizer(EwkViewImpl* viewImpl)
>+    : m_currentGesture(NoGesture)
>+    , m_tapGestureHandler(viewImpl)
>+    , m_panGestureHandler(viewImpl)
>+    , m_pinchGestureHandler(viewImpl)
>+{
>+}
>+
>+void GestureRecognizer::processTouchEvent(const NativeWebTouchEvent& event, bool wasEventHandled)
>+{
>+    if (wasEventHandled || event.type() == WebEvent::TouchCancel) {
>+        cancel();
>+        return;
>+    }
>+
>+    const Vector<WebPlatformTouchPoint>& touchPoints = event.touchPoints();
>+    int numberOfTouchPoints = touchPoints.size();
>+
>+    // We don't have to process any gesture if no gesture is recognized and current touch event is
>+    // not the start of touch.
>+    if (m_currentGesture == NoGesture && !(event.type() == WebEvent::TouchStart && numberOfTouchPoints == 1))
>+        return;
>+
>+    // Update current points.
>+    m_currentPoints.clear();
>+    for (int i = 0; i < numberOfTouchPoints; ++i)
>+        if (touchPoints[i].state() != WebPlatformTouchPoint::TouchReleased
>+            && touchPoints[i].state() != WebPlatformTouchPoint::TouchCancelled)
>+            m_currentPoints.append(touchPoints[i].position());
>+
>+    if (event.type() == WebEvent::TouchStart) {
>+        if (numberOfTouchPoints == 1)
>+            start(TapGesture);
>+        else if (numberOfTouchPoints == 2)
>+            start(PinchGesture);
>+    } else if (event.type() == WebEvent::TouchMove) {
>+        if (numberOfTouchPoints == 1 && m_currentGesture != PanGesture)
>+            start(PanGesture);
>+        else
>+            update();
>+    } else if (event.type() == WebEvent::TouchEnd)
>+        end();
>+}
>+
>+void GestureRecognizer::start(Gesture gesture)
>+{
>+    if (m_currentGesture == gesture)
>+        return;
>+
>+    cancel();
>+
>+    m_currentGesture = gesture;
>+    if (m_currentGesture == TapGesture)
>+        m_tapGestureHandler.start(m_currentPoints);
>+    else if (m_currentGesture == PanGesture)
>+        m_panGestureHandler.start(m_currentPoints);
>+    else if (m_currentGesture == PinchGesture)
>+        m_pinchGestureHandler.start(m_currentPoints);
>+}
>+
>+void GestureRecognizer::update()
>+{
>+    if (m_currentGesture == PanGesture)
>+        m_panGestureHandler.update(m_currentPoints);
>+    else if (m_currentGesture == PinchGesture)
>+        m_pinchGestureHandler.update(m_currentPoints);
>+}
>+
>+void GestureRecognizer::end()
>+{
>+    if (m_currentGesture == TapGesture)
>+        m_tapGestureHandler.end();
>+    else if (m_currentGesture == PanGesture)
>+        m_panGestureHandler.end();
>+    else if (m_currentGesture == PinchGesture)
>+        m_pinchGestureHandler.end();
>+
>+    m_currentGesture = NoGesture;
>+}
>+
>+void GestureRecognizer::cancel()
>+{
>+    if (m_currentGesture == TapGesture)
>+        m_tapGestureHandler.cancel();
>+    else if (m_currentGesture == PanGesture)
>+        m_panGestureHandler.cancel();
>+    else if (m_currentGesture == PinchGesture)
>+        m_pinchGestureHandler.cancel();
>+
>+    m_currentGesture = NoGesture;
>+}
>+
>+} // namespace WebKit
>+#endif // USE(TILED_BACKING_STORE)
>diff --git a/Source/WebKit2/UIProcess/efl/GestureRecognizer.h b/Source/WebKit2/UIProcess/efl/GestureRecognizer.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..cbf9954456ad0683d6891c31d66fd7da3cb4a220
>--- /dev/null
>+++ b/Source/WebKit2/UIProcess/efl/GestureRecognizer.h
>@@ -0,0 +1,84 @@
>+/*
>+ * Copyright (C) 2013 Samsung Electronics. 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 GestureRecognizer_h
>+#define GestureRecognizer_h
>+
>+#if USE(TILED_BACKING_STORE)
>+
>+#include "PanGestureHandler.h"
>+#include "PinchGestureHandler.h"
>+#include "TapGestureHandler.h"
>+#include <wtf/PassOwnPtr.h>
>+#include <wtf/Vector.h>
>+
>+namespace WebCore {
>+class IntPoint;
>+}
>+
>+class EwkViewImpl;
>+
>+namespace WebKit {
>+
>+class NativeWebTouchEvent;
>+
>+class GestureRecognizer {
>+public:
>+    static PassOwnPtr<GestureRecognizer> create(EwkViewImpl* viewImpl)
>+    {
>+        return adoptPtr(new GestureRecognizer(viewImpl));
>+    }
>+
>+    virtual ~GestureRecognizer() { }
>+
>+    void processTouchEvent(const NativeWebTouchEvent&, bool wasEventHandled);
>+
>+private:
>+    explicit GestureRecognizer(EwkViewImpl*);
>+
>+    typedef enum {
>+        NoGesture,
>+        TapGesture,
>+        PanGesture,
>+        PinchGesture
>+    } Gesture;
>+
>+    void start(Gesture);
>+    void update();
>+    void end();
>+    void cancel();
>+
>+    Gesture m_currentGesture;
>+    Vector<WebCore::IntPoint> m_currentPoints;
>+    TapGestureHandler m_tapGestureHandler;
>+    PanGestureHandler m_panGestureHandler;
>+    PinchGestureHandler m_pinchGestureHandler;
>+};
>+
>+} // namespace WebKit
>+
>+#endif // USE(TILED_BACKING_STORE)
>+
>+#endif // GestureRecognizer_h
>diff --git a/Source/WebKit2/UIProcess/efl/PageClientBase.cpp b/Source/WebKit2/UIProcess/efl/PageClientBase.cpp
>index 273d0646f9556293fcee1edf1d467f6b956dd6b8..1df03117fbf205b6d4e361506d3f99c470f8c309 100644
>--- a/Source/WebKit2/UIProcess/efl/PageClientBase.cpp
>+++ b/Source/WebKit2/UIProcess/efl/PageClientBase.cpp
>@@ -47,6 +47,10 @@
> #include "ewk_private.h"
> #include "ewk_view.h"
> 
>+#if ENABLE(TOUCH_EVENTS) && USE(TILED_BACKING_STORE)
>+#include "GestureRecognizer.h"
>+#endif
>+
> using namespace WebCore;
> using namespace EwkViewCallbacks;
> 
>@@ -206,9 +210,15 @@ void PageClientBase::doneWithKeyEvent(const NativeWebKeyboardEvent&, bool)
> }
> 
> #if ENABLE(TOUCH_EVENTS)
>-void PageClientBase::doneWithTouchEvent(const NativeWebTouchEvent&, bool /*wasEventHandled*/)
>+void PageClientBase::doneWithTouchEvent(const NativeWebTouchEvent& event, bool wasEventHandled)
> {
>+#if USE(TILED_BACKING_STORE)
>+    m_viewImpl->gestureRecognizer()->processTouchEvent(event, wasEventHandled);
>+#else
>+    UNUSED_PARAM(event);
>+    UNUSED_PARAM(wasEventHandled);
>     notImplemented();
>+#endif
> }
> #endif
> 
>diff --git a/Source/WebKit2/UIProcess/efl/PanGestureHandler.cpp b/Source/WebKit2/UIProcess/efl/PanGestureHandler.cpp
>new file mode 100644
>index 0000000000000000000000000000000000000000..066843a6cc37b2959634409580426637745c04ce
>--- /dev/null
>+++ b/Source/WebKit2/UIProcess/efl/PanGestureHandler.cpp
>@@ -0,0 +1,75 @@
>+/*
>+ * Copyright (C) 2013 Samsung Electronics. 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 "PanGestureHandler.h"
>+
>+#if USE(TILED_BACKING_STORE)
>+
>+#include "EwkViewImpl.h"
>+#include <WebCore/IntPoint.h>
>+#include <WebCore/NotImplemented.h>
>+
>+using namespace WebCore;
>+
>+namespace WebKit {
>+
>+PanGestureHandler::PanGestureHandler(EwkViewImpl* viewImpl)
>+    : GestureHandler(viewImpl)
>+{
>+}
>+
>+void PanGestureHandler::start(const Vector<IntPoint>& points)
>+{
>+    if (points.size() < 1) {
>+        cancel();
>+        return;
>+    }
>+
>+    notImplemented();
>+}
>+
>+void PanGestureHandler::update(const Vector<IntPoint>& points)
>+{
>+    if (points.size() < 1) {
>+        cancel();
>+        return;
>+    }
>+
>+    notImplemented();
>+}
>+
>+void PanGestureHandler::end()
>+{
>+    notImplemented();
>+}
>+
>+void PanGestureHandler::cancel()
>+{
>+    notImplemented();
>+}
>+
>+} // namespace WebKit
>+#endif // USE(TILED_BACKING_STORE)
>diff --git a/Source/WebKit2/UIProcess/efl/PanGestureHandler.h b/Source/WebKit2/UIProcess/efl/PanGestureHandler.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..91b8ec502aaf5ebaa53c04162c81f1653bb2bd68
>--- /dev/null
>+++ b/Source/WebKit2/UIProcess/efl/PanGestureHandler.h
>@@ -0,0 +1,53 @@
>+/*
>+ * Copyright (C) 2013 Samsung Electronics. 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 PanGestureHandler_h
>+#define PanGestureHandler_h
>+
>+#if USE(TILED_BACKING_STORE)
>+
>+#include "GestureHandler.h"
>+
>+namespace WebCore {
>+class IntPoint;
>+}
>+
>+namespace WebKit {
>+
>+class PanGestureHandler : private GestureHandler {
>+public:
>+    PanGestureHandler(EwkViewImpl*);
>+
>+    void start(const Vector<WebCore::IntPoint>&);
>+    void update(const Vector<WebCore::IntPoint>&);
>+    void end();
>+    void cancel();
>+};
>+
>+} // namespace WebKit
>+
>+#endif // USE(TILED_BACKING_STORE)
>+
>+#endif // PanGestureHandler_h
>diff --git a/Source/WebKit2/UIProcess/efl/PinchGestureHandler.cpp b/Source/WebKit2/UIProcess/efl/PinchGestureHandler.cpp
>new file mode 100644
>index 0000000000000000000000000000000000000000..8b76e90e35a8ff2e28f2592589765f7501acfb90
>--- /dev/null
>+++ b/Source/WebKit2/UIProcess/efl/PinchGestureHandler.cpp
>@@ -0,0 +1,75 @@
>+/*
>+ * Copyright (C) 2013 Samsung Electronics. 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 "PinchGestureHandler.h"
>+
>+#if USE(TILED_BACKING_STORE)
>+
>+#include "EwkViewImpl.h"
>+#include <WebCore/IntPoint.h>
>+#include <WebCore/NotImplemented.h>
>+
>+using namespace WebCore;
>+
>+namespace WebKit {
>+
>+PinchGestureHandler::PinchGestureHandler(EwkViewImpl* viewImpl)
>+    : GestureHandler(viewImpl)
>+{
>+}
>+
>+void PinchGestureHandler::start(const Vector<IntPoint>& points)
>+{
>+    if (points.size() < 2) {
>+        cancel();
>+        return;
>+    }
>+
>+    notImplemented();
>+}
>+
>+void PinchGestureHandler::update(const Vector<IntPoint>& points)
>+{
>+    if (points.size() < 2) {
>+        cancel();
>+        return;
>+    }
>+
>+    notImplemented();
>+}
>+
>+void PinchGestureHandler::end()
>+{
>+    notImplemented();
>+}
>+
>+void PinchGestureHandler::cancel()
>+{
>+    notImplemented();
>+}
>+
>+} // namespace WebKit
>+#endif // USE(TILED_BACKING_STORE)
>diff --git a/Source/WebKit2/UIProcess/efl/PinchGestureHandler.h b/Source/WebKit2/UIProcess/efl/PinchGestureHandler.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..1c9acc59e95911ba55bd5496d1f60defea59e058
>--- /dev/null
>+++ b/Source/WebKit2/UIProcess/efl/PinchGestureHandler.h
>@@ -0,0 +1,53 @@
>+/*
>+ * Copyright (C) 2013 Samsung Electronics. 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 PinchGestureHandler_h
>+#define PinchGestureHandler_h
>+
>+#if USE(TILED_BACKING_STORE)
>+
>+#include "GestureHandler.h"
>+
>+namespace WebCore {
>+class IntPoint;
>+}
>+
>+namespace WebKit {
>+
>+class PinchGestureHandler : private GestureHandler {
>+public:
>+    PinchGestureHandler(EwkViewImpl*);
>+
>+    void start(const Vector<WebCore::IntPoint>&);
>+    void update(const Vector<WebCore::IntPoint>&);
>+    void end();
>+    void cancel();
>+};
>+
>+} // namespace WebKit
>+
>+#endif // USE(TILED_BACKING_STORE)
>+
>+#endif // PinchGestureHandler_h
>diff --git a/Source/WebKit2/UIProcess/efl/TapGestureHandler.cpp b/Source/WebKit2/UIProcess/efl/TapGestureHandler.cpp
>new file mode 100644
>index 0000000000000000000000000000000000000000..35f2d7961b0393e55214415e06da3c6d776c5e38
>--- /dev/null
>+++ b/Source/WebKit2/UIProcess/efl/TapGestureHandler.cpp
>@@ -0,0 +1,155 @@
>+/*
>+ * Copyright (C) 2013 Samsung Electronics. 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 "TapGestureHandler.h"
>+
>+#if USE(TILED_BACKING_STORE)
>+
>+#include <WebCore/NotImplemented.h>
>+
>+using namespace WebCore;
>+
>+namespace WebKit {
>+
>+const double TapGestureHandler::s_doubleTapTimeout = 0.4;
>+const double TapGestureHandler::s_tapAndHoldTimeout = 1.0;
>+
>+TapGestureHandler::TapGestureHandler(EwkViewImpl* viewImpl)
>+    : GestureHandler(viewImpl)
>+    , m_state(NoState)
>+    , m_tapAndHoldTimer(0)
>+    , m_doubleTapTimer(0)
>+    , m_firstPressedPoint()
>+    , m_secondPressedPoint()
>+{
>+}
>+
>+void TapGestureHandler::start(const Vector<IntPoint>& points)
>+{
>+    if (points.size() < 1) {
>+        cancel();
>+        return;
>+    }
>+
>+    // If doubleTapTimer does not exist, start to process tap gesture.
>+    if (!m_doubleTapTimer) {
>+        m_state = NoState;
>+        m_firstPressedPoint = points[0];
>+
>+        ASSERT(!m_tapAndHoldTimer);
>+        m_tapAndHoldTimer = ecore_timer_add(s_tapAndHoldTimeout, tapAndHoldTimerCallback, this);
>+        m_doubleTapTimer = ecore_timer_add(s_doubleTapTimeout, doubleTapTimerCallback, this);
>+    } else {
>+        m_secondPressedPoint = points[0];
>+        if (m_firstPressedPoint.distanceSquaredToPoint(m_secondPressedPoint) > s_doubleTapDistanceSquareThreshold)
>+            m_state = NoState;
>+
>+        ecore_timer_del(m_doubleTapTimer);
>+        m_doubleTapTimer = 0;
>+    }
>+}
>+
>+void TapGestureHandler::update(const Vector<IntPoint>& points)
>+{
>+    if (points.size() < 1) {
>+        cancel();
>+        return;
>+    }
>+}
>+
>+void TapGestureHandler::end()
>+{
>+    if (m_tapAndHoldTimer) {
>+        ecore_timer_del(m_tapAndHoldTimer);
>+        m_tapAndHoldTimer = 0;
>+    }
>+
>+    if (m_state == SingleTapState)
>+        processSingleTap();
>+    else if (m_state == DoubleTapState)
>+        processDoubleTap();
>+    // If currentState is NoState and doubleTapTimer is not expired, prepare to process double tap.
>+    else if (m_doubleTapTimer)
>+        m_state = DoubleTapState;
>+}
>+
>+void TapGestureHandler::cancel()
>+{
>+    if (m_doubleTapTimer) {
>+        ecore_timer_del(m_doubleTapTimer);
>+        m_doubleTapTimer = 0;
>+    }
>+
>+    if (m_tapAndHoldTimer) {
>+        ecore_timer_del(m_tapAndHoldTimer);
>+        m_tapAndHoldTimer = 0;
>+    }
>+
>+    m_state = NoState;
>+}
>+
>+void TapGestureHandler::processSingleTap()
>+{
>+    notImplemented();
>+}
>+
>+void TapGestureHandler::processDoubleTap()
>+{
>+    notImplemented();
>+}
>+
>+void TapGestureHandler::processTapAndHold()
>+{
>+    notImplemented();
>+}
>+
>+Eina_Bool TapGestureHandler::doubleTapTimerCallback(void* data)
>+{
>+    TapGestureHandler* tapGestureHandler = static_cast<TapGestureHandler*>(data);
>+    tapGestureHandler->m_doubleTapTimer = 0;
>+
>+    // If doubleTapTimer is fired we should not process double tap,
>+    // so process single tap here or set state to SingleTapState for processing single tap in the end().
>+    if (tapGestureHandler->m_state == DoubleTapState)
>+        tapGestureHandler->processSingleTap();
>+    else
>+        tapGestureHandler->m_state = SingleTapState;
>+
>+    return ECORE_CALLBACK_CANCEL;
>+}
>+
>+Eina_Bool TapGestureHandler::tapAndHoldTimerCallback(void* data)
>+{
>+    TapGestureHandler* tapGestureHandler = static_cast<TapGestureHandler*>(data);
>+    tapGestureHandler->m_tapAndHoldTimer = 0;
>+    tapGestureHandler->m_state = NoState;
>+    tapGestureHandler->processTapAndHold();
>+
>+    return ECORE_CALLBACK_CANCEL;
>+}
>+
>+} // namespace WebKit
>+#endif // USE(TILED_BACKING_STORE)
>diff --git a/Source/WebKit2/UIProcess/efl/TapGestureHandler.h b/Source/WebKit2/UIProcess/efl/TapGestureHandler.h
>new file mode 100644
>index 0000000000000000000000000000000000000000..40577f52d6fecc40459638360ebf9af447ebc193
>--- /dev/null
>+++ b/Source/WebKit2/UIProcess/efl/TapGestureHandler.h
>@@ -0,0 +1,75 @@
>+/*
>+ * Copyright (C) 2013 Samsung Electronics. 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 TapGestureHandler_h
>+#define TapGestureHandler_h
>+
>+#if USE(TILED_BACKING_STORE)
>+
>+#include "GestureHandler.h"
>+#include <Ecore.h>
>+#include <Eina.h>
>+#include <WebCore/IntPoint.h>
>+
>+namespace WebKit {
>+
>+class TapGestureHandler : private GestureHandler {
>+public:
>+    TapGestureHandler(EwkViewImpl*);
>+
>+    void start(const Vector<WebCore::IntPoint>&);
>+    void update(const Vector<WebCore::IntPoint>&);
>+    void end();
>+    void cancel();
>+
>+private:
>+    static Eina_Bool doubleTapTimerCallback(void*);
>+    static Eina_Bool tapAndHoldTimerCallback(void*);
>+
>+    static const double s_doubleTapTimeout;
>+    static const double s_tapAndHoldTimeout;
>+    static const int s_doubleTapDistanceSquareThreshold = 10000;
>+
>+    void processSingleTap();
>+    void processDoubleTap();
>+    void processTapAndHold();
>+
>+    enum {
>+        NoState,
>+        SingleTapState,
>+        DoubleTapState
>+    } m_state;
>+
>+    Ecore_Timer* m_tapAndHoldTimer;
>+    Ecore_Timer* m_doubleTapTimer;
>+    WebCore::IntPoint m_firstPressedPoint;
>+    WebCore::IntPoint m_secondPressedPoint;
>+};
>+
>+} // namespace WebKit
>+
>+#endif // USE(TILED_BACKING_STORE)
>+
>+#endif // TapGestureHandler_h

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Attachments on bug 102643: 175595 | 175740 | 177938 | 182520 | 182537 | 182722 | 183716 | 184174 | 189001 | 191401 | 193276 | 193753 | 206052 | 207367 | 207443 | 207509 | 207547 | 207619 | 207650 | 207683 | 207714 | 207717 | 207722 | 207732 | 207909 | 208000