Attachment 372417 Details for Bug 198986 – Patch

[patch] Patch

bug-198986-20190619115248.patch (text/plain), 42.17 KB, created by Dean Jackson on 2019-06-18 18:52:50 PDT

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Creator: Dean Jackson

Created: 2019-06-18 18:52:50 PDT

Size: 42.17 KB

patch

obsolete

>Subversion Revision: 246576
>diff --git a/Source/WTF/ChangeLog b/Source/WTF/ChangeLog
>index 04935c45c8ffb831af2db0d0924dd371d374153e..f10782c278e80e74468798d473405c1f62652a06 100644
>--- a/Source/WTF/ChangeLog
>+++ b/Source/WTF/ChangeLog
>@@ -1,3 +1,15 @@
>+2019-06-18  Dean Jackson  <dino@apple.com>
>+
>+        UIContextMenuInteraction implementation for WKContentView
>+        https://bugs.webkit.org/show_bug.cgi?id=198986
>+        <rdar://problem/51875189>
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Add USE_UICONTEXTMENU for iOS 13+.
>+
>+        * wtf/Platform.h:
>+
> 2019-06-18  Kenneth Russell  <kbr@chromium.org>
> 
>         Add preliminary ANGLE backend to WebCore
>diff --git a/Source/WebCore/PAL/ChangeLog b/Source/WebCore/PAL/ChangeLog
>index 508472ec5981b34de709fa2a33068fb6c0476727..1e165320ec9de6abb47ce94c79551df712d2cffd 100644
>--- a/Source/WebCore/PAL/ChangeLog
>+++ b/Source/WebCore/PAL/ChangeLog
>@@ -1,3 +1,17 @@
>+2019-06-18  Dean Jackson  <dino@apple.com>
>+
>+        UIContextMenuInteraction implementation for WKContentView
>+        https://bugs.webkit.org/show_bug.cgi?id=198986
>+        <rdar://problem/51875189>
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Include + soft link DDContextMenuAction
>+        and temporarily describe UIContextMenuConfiguration.
>+
>+        * pal/spi/ios/DataDetectorsUISPI.h:
>+        * pal/spi/ios/UIKitSPI.h:
>+
> 2019-06-18  Jiewen Tan  <jiewen_tan@apple.com>
> 
>         Link to the new AppSSO private framework
>diff --git a/Source/WebKit/ChangeLog b/Source/WebKit/ChangeLog
>index 5b7569b94e45fda71780fb0f212e01e7500d14c5..94d99476ff3c4ace33a45017693bb48add7502cb 100644
>--- a/Source/WebKit/ChangeLog
>+++ b/Source/WebKit/ChangeLog
>@@ -1,3 +1,45 @@
>+2019-06-18  Dean Jackson  <dino@apple.com>
>+
>+        UIContextMenuInteraction implementation for WKContentView
>+        https://bugs.webkit.org/show_bug.cgi?id=198986
>+        <rdar://problem/51875189>
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Implement UIContextMenuInteraction and its delegate as a
>+        replacement for UIPreviewItemController in iOS 13.
>+
>+        In order to preserve existing behaviour as much as possible,
>+        we check for the implementation of new WebKit API to configure
>+        the menu. If that is not present, we attempt to convert
>+        the results of the existing WebKit WKPreviewAction delegates
>+        into something that works with UIContextMenus.
>+
>+        * UIProcess/ios/WKContentViewInteraction.h:
>+        * UIProcess/ios/WKContentViewInteraction.mm:
>+        (-[WKContentView setupInteraction]):
>+        (-[WKContentView _contentsOfUserInterfaceItem:]):
>+        (-[WKContentView _registerPreview]):
>+        (-[WKContentView _unregisterPreview]):
>+        (-[WKContentView _showLinkPreviewsPreferenceChanged:]):
>+        (needsDeprecatedPreviewAPI):
>+        (uiActionForPreviewAction):
>+        (menuFromPreviewOrDefaults):
>+        (titleForMenu):
>+        (-[WKContentView assignLegacyDataForContextMenuInteraction]):
>+        (-[WKContentView contextMenuInteraction:configurationForMenuAtLocation:]):
>+        (-[WKContentView _contextMenuInteraction:configurationForMenuAtLocation:completion:]):
>+        (-[WKContentView continueContextMenuInteraction:]):
>+        (uiImageForImage):
>+        (createTargetedPreview):
>+        (-[WKContentView _targetedPreview]):
>+        (-[WKContentView contextMenuInteraction:previewForHighlightingMenuWithConfiguration:]):
>+        (-[WKContentView contextMenuInteractionWillPresent:]):
>+        (-[WKContentView contextMenuInteraction:previewForDismissingMenuWithConfiguration:]):
>+        (-[WKContentView contextMenuInteraction:willCommitWithAnimator:]):
>+        (-[WKContentView contextMenuInteractionDidEnd:]):
>+        (-[WKContentView shouldUsePreviewForLongPress]): Deleted.
>+
> 2019-06-18  Alex Christensen  <achristensen@webkit.org>
> 
>         Update WebKit API to separately retrieve actions and use context menus
>diff --git a/Source/WTF/wtf/Platform.h b/Source/WTF/wtf/Platform.h
>index 8a56c6cf0531683d90fc2395e32ee8d9558243e2..89732a086dbf8124c1362ef2f48aece813ee383f 100644
>--- a/Source/WTF/wtf/Platform.h
>+++ b/Source/WTF/wtf/Platform.h
>@@ -1585,3 +1585,7 @@
> #if (PLATFORM(IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000 || PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101500)
> #define HAVE_APP_SSO 1
> #endif
>+
>+#if PLATFORM(IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 130000
>+#define USE_UICONTEXTMENU 1
>+#endif
>diff --git a/Source/WebCore/PAL/pal/spi/ios/DataDetectorsUISPI.h b/Source/WebCore/PAL/pal/spi/ios/DataDetectorsUISPI.h
>index 09fc59f203199b145bb5571dec77fb8c0927b8e4..82ba50385fb0f7337dda9a028b2b46baa76601af 100644
>--- a/Source/WebCore/PAL/pal/spi/ios/DataDetectorsUISPI.h
>+++ b/Source/WebCore/PAL/pal/spi/ios/DataDetectorsUISPI.h
>@@ -31,6 +31,9 @@
> #if USE(APPLE_INTERNAL_SDK)
> 
> #import <DataDetectorsUI/DDAction.h>
>+#if HAVE(LINK_PREVIEW) && USE(UICONTEXTMENU)
>+#import <DataDetectorsUI/DDContextMenuAction.h>
>+#endif
> #import <DataDetectorsUI/DDDetectionController.h>
> 
> #else
>@@ -46,6 +49,13 @@
> @property (readonly) NSString *actionUTI;
> @end
> 
>+#if HAVE(LINK_PREVIEW) && USE(UICONTEXTMENU)
>+@class UIContextMenuConfiguration;
>+@interface DDContextMenuAction
>++ (UIContextMenuConfiguration *)contextMenuConfigurationWithURL:(NSURL *)URL inView:(UIView *)view context:(NSDictionary *)context menuIdentifier:(NSString *)menuIdentifier;
>+@end
>+#endif
>+
> @protocol DDDetectionControllerInteractionDelegate <NSObject>
> @end
> 
>@@ -70,6 +80,9 @@
> @end
> 
> SOFT_LINK_PRIVATE_FRAMEWORK(DataDetectorsUI)
>+#if HAVE(LINK_PREVIEW) && USE(UICONTEXTMENU)
>+SOFT_LINK_CLASS(DataDetectorsUI, DDContextMenuAction);
>+#endif
> SOFT_LINK_CLASS(DataDetectorsUI, DDDetectionController)
> SOFT_LINK_CONSTANT(DataDetectorsUI, kDataDetectorsLeadingText, const NSString *)
> SOFT_LINK_CONSTANT(DataDetectorsUI, kDataDetectorsTrailingText, const NSString *)
>diff --git a/Source/WebCore/PAL/pal/spi/ios/UIKitSPI.h b/Source/WebCore/PAL/pal/spi/ios/UIKitSPI.h
>index 9b5e5a3cde749eba09a6543c1555d718191aabde..580d98bcc03679fc5a0308f793d24306f9827334 100644
>--- a/Source/WebCore/PAL/pal/spi/ios/UIKitSPI.h
>+++ b/Source/WebCore/PAL/pal/spi/ios/UIKitSPI.h
>@@ -151,7 +151,7 @@ NS_ASSUME_NONNULL_END
> #endif // USE(APPLE_INTERNAL_SDK)
> 
> #if ENABLE(FULL_KEYBOARD_ACCESS)
>-@interface UIColor (IPI)
>+@interface UIColor ()
> + (UIColor *)keyboardFocusIndicatorColor;
> @end
> 
>@@ -163,9 +163,22 @@ NS_ASSUME_NONNULL_END
> #endif
> 
> #if HAVE(OS_DARK_MODE_SUPPORT)
>-@interface UIColor (UIColorInternal)
>+@interface UIColor ()
> + (UIColor *)tableCellDefaultSelectionTintColor;
> @end
> #endif
> 
>+#if HAVE(LINK_PREVIEW) && USE(UICONTEXTMENU)
>+@interface UIContextMenuConfiguration (NeededUntil51288435Fixed)
>+@property (nonatomic, copy) id <NSCopying> identifier;
>+@property (nonatomic, copy) UIContextMenuContentPreviewProvider previewProvider;
>+@property (nonatomic, copy) UIContextMenuActionProvider actionProvider;
>+@end
>+
>+@interface UIPreviewAction ()
>+@property (nonatomic, strong) UIImage *image;
>+@end
>+
>+#endif
>+
> #endif // PLATFORM(IOS_FAMILY)
>diff --git a/Source/WebKit/UIProcess/ios/WKContentViewInteraction.h b/Source/WebKit/UIProcess/ios/WKContentViewInteraction.h
>index 3e57017caaf0dda77bd12909de3a71c5f5e7b191..30c0adb21ab7cb1dd7d928244813e62a308c43d5 100644
>--- a/Source/WebKit/UIProcess/ios/WKContentViewInteraction.h
>+++ b/Source/WebKit/UIProcess/ios/WKContentViewInteraction.h
>@@ -59,10 +59,6 @@
> #import <wtf/WeakObjCPtr.h>
> #import <wtf/text/WTFString.h>
> 
>-#if USE(APPLE_INTERNAL_SDK) && __has_include(<WebKitAdditions/WKInteractionPreviewAdditions.h>)
>-#import <WebKitAdditions/WKInteractionPreviewAdditions.h>
>-#endif
>-
> namespace API {
> class OpenPanelParameters;
> }
>@@ -101,6 +97,7 @@ struct WebAutocorrectionContext;
> @class UIHoverGestureRecognizer;
> @class WebEvent;
> @class WKActionSheetAssistant;
>+@class WKContextMenuElementInfo;
> @class WKDrawingCoordinator;
> @class WKFocusedFormControlView;
> @class WKFormInputControl;
>@@ -245,8 +242,13 @@ struct WKAutoCorrectionData {
>     RetainPtr<UIGestureRecognizer> _previewSecondaryGestureRecognizer;
>     Vector<bool> _focusStateStack;
> #if HAVE(LINK_PREVIEW)
>-#if USE(LONG_PRESS_FOR_LINK_PREVIEW)
>-    LONG_PRESS_LINK_PREVIEW_MEMBERS
>+#if USE(UICONTEXTMENU)
>+    RetainPtr<UIContextMenuInteraction> _contextMenuInteraction;
>+    RetainPtr<WKContextMenuElementInfo> _contextMenuElementInfo;
>+    BOOL _showLinkPreviews;
>+    RetainPtr<UIViewController> _contextMenuLegacyPreviewController;
>+    RetainPtr<UIMenu> _contextMenuLegacyMenu;
>+    BOOL _contextMenuHasRequestedLegacyData;
> #else
>     RetainPtr<UIPreviewItemController> _previewItemController;
> #endif
>@@ -532,17 +534,13 @@ FOR_EACH_PRIVATE_WKCONTENTVIEW_ACTION(DECLARE_WKCONTENTVIEW_ACTION_FOR_WEB_VIEW)
> @end
> 
> #if HAVE(LINK_PREVIEW)
>-#if USE(LONG_PRESS_FOR_LINK_PREVIEW)
>-@interface WKContentView (WKInteractionPreview) <LONG_PRESS_LINK_PREVIEW_PROTOCOL>
>+#if USE(UICONTEXTMENU)
>+@interface WKContentView (WKInteractionPreview) <UIContextMenuInteractionDelegate>
> #else
> @interface WKContentView (WKInteractionPreview) <UIPreviewItemDelegate>
> #endif
>-
>-@property (nonatomic, readonly) BOOL shouldUsePreviewForLongPress;
>-
> - (void)_registerPreview;
> - (void)_unregisterPreview;
>-
> @end
> #endif
> 
>diff --git a/Source/WebKit/UIProcess/ios/WKContentViewInteraction.mm b/Source/WebKit/UIProcess/ios/WKContentViewInteraction.mm
>index 5cace04be6e0891e9aec6914fa006339353aafdf..d82f7ee2064969c1d1858a0fd31165c38bfd0cd3 100644
>--- a/Source/WebKit/UIProcess/ios/WKContentViewInteraction.mm
>+++ b/Source/WebKit/UIProcess/ios/WKContentViewInteraction.mm
>@@ -29,6 +29,7 @@
> #if PLATFORM(IOS_FAMILY)
> 
> #import "APIUIClient.h"
>+#import "CompletionHandlerCallChecker.h"
> #import "DocumentEditingContext.h"
> #import "EditableImageController.h"
> #import "InputViewUpdateDeferrer.h"
>@@ -105,6 +106,9 @@
> #import <pal/spi/cocoa/DataDetectorsCoreSPI.h>
> #import <pal/spi/ios/DataDetectorsUISPI.h>
> #import <pal/spi/ios/GraphicsServicesSPI.h>
>+#import <pal/spi/ios/UIKitSPI.h>
>+#import <wtf/BlockObjCExceptions.h>
>+#import <wtf/BlockPtr.h>
> #import <wtf/Optional.h>
> #import <wtf/RetainPtr.h>
> #import <wtf/SetForScope.h>
>@@ -151,8 +155,9 @@ SOFT_LINK_CLASS(ManagedConfiguration, MCProfileConnection);
> SOFT_LINK_CONSTANT(ManagedConfiguration, MCFeatureDefinitionLookupAllowed, NSString *)
> #endif
> 
>-#if USE(APPLE_INTERNAL_SDK) && __has_include(<WebKitAdditions/WKInteractionPreviewAdditions.h>)
>-#import <WebKitAdditions/WKInteractionPreviewAdditions.h>
>+#if HAVE(LINK_PREVIEW) && USE(UICONTEXTMENU)
>+static NSString * const webkitShowLinkPreviewsPreferenceKey = @"WebKitShowLinkPreviews";
>+static NSString * const webkitShowLinkPreviewsPreferenceChangedNotification = @"WebKitShowLinkPreviewsPreferenceChanged";
> #endif
> 
> #if PLATFORM(WATCHOS)
>@@ -764,14 +769,10 @@ static inline bool hasFocusedElement(WebKit::FocusedElementInformation focusedEl
>     [_highlightLongPressGestureRecognizer setDelay:highlightDelay];
>     [_highlightLongPressGestureRecognizer setDelegate:self];
> 
>-#if HAVE(LINK_PREVIEW)
>-    if (!self.shouldUsePreviewForLongPress)
>+#if HAVE(LINK_PREVIEW) && !USE(UICONTEXTMENU)
>+    [self addGestureRecognizer:_highlightLongPressGestureRecognizer.get()];
>+    [self _createAndConfigureLongPressGestureRecognizer];
> #endif
>-    {
>-        [self addGestureRecognizer:_highlightLongPressGestureRecognizer.get()];
>-
>-        [self _createAndConfigureLongPressGestureRecognizer];
>-    }
> 
> #if ENABLE(DATA_INTERACTION)
>     [self setupDragAndDropInteractions];
>@@ -7367,7 +7368,7 @@ static WebEventFlags webEventFlagsForUIKeyModifierFlags(UIKeyModifierFlags flags
> 
> #if HAVE(LINK_PREVIEW)
>     if ([userInterfaceItem isEqualToString:@"linkPreviewPopoverContents"]) {
>-#if USE(LONG_PRESS_FOR_LINK_PREVIEW)
>+#if USE(UICONTEXTMENU)
>         return @{ userInterfaceItem: @{ @"pageURL": WTF::userVisibleString(_positionInformation.url) } };
> #else
>         NSString *url = [_previewItemController previewData][UIPreviewDataLink];
>@@ -7411,17 +7412,582 @@ static NSString *previewIdentifierForElementAction(_WKElementAction *action)
>     return nil;
> }
> 
>-#if USE(LONG_PRESS_FOR_LINK_PREVIEW)
>-#include <WebKitAdditions/WKInteractionPreviewAdditions.mm>
>-#else
>+#if USE(UICONTEXTMENU)
> 
> @implementation WKContentView (WKInteractionPreview)
> 
>-- (BOOL)shouldUsePreviewForLongPress
>+- (void)_registerPreview
> {
>-    return NO;
>+    if (!_webView.allowsLinkPreview)
>+        return;
>+
>+    _contextMenuInteraction = adoptNS([[UIContextMenuInteraction alloc] initWithDelegate:self]);
>+    _contextMenuHasRequestedLegacyData = NO;
>+    [self addInteraction:_contextMenuInteraction.get()];
>+
>+    [self _showLinkPreviewsPreferenceChanged:nil];
>+
>+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(_showLinkPreviewsPreferenceChanged:) name:webkitShowLinkPreviewsPreferenceChangedNotification object:nil];
>+}
>+
>+- (void)_unregisterPreview
>+{
>+    if (!_contextMenuInteraction)
>+        return;
>+
>+    [self removeInteraction:_contextMenuInteraction.get()];
>+    _contextMenuInteraction = nil;
>+
>+    [[NSNotificationCenter defaultCenter] removeObserver:self name:webkitShowLinkPreviewsPreferenceChangedNotification object:nil];
>+}
>+
>+- (void)_showLinkPreviewsPreferenceChanged:(NSNotification *)notification
>+{
>+    Boolean keyExistsAndHasValidFormat = false;
>+    Boolean prefValue = CFPreferencesGetAppBooleanValue((__bridge CFStringRef)webkitShowLinkPreviewsPreferenceKey, kCFPreferencesCurrentApplication, &keyExistsAndHasValidFormat);
>+    if (keyExistsAndHasValidFormat)
>+        _showLinkPreviews = prefValue;
>+    else
>+        _showLinkPreviews = YES;
>+}
>+
>+static bool needsDeprecatedPreviewAPI(id<WKUIDelegate> delegate)
>+{
>+    // FIXME: Replace these with booleans in UIDelegate.h.
>+    return delegate
>+    && ![delegate respondsToSelector:@selector(_webView:contextMenuConfigurationForElement:completionHandler:)]
>+    && ![delegate respondsToSelector:@selector(webView:contextMenuConfigurationForElement:completionHandler:)]
>+    && ![delegate respondsToSelector:@selector(_webView:contextMenuForElement:willCommitWithAnimator:)]
>+    && ![delegate respondsToSelector:@selector(webView:contextMenuForElement:willCommitWithAnimator:)]
>+    && ![delegate respondsToSelector:@selector(_webView:contextMenuWillPresentForElement:)]
>+    && ![delegate respondsToSelector:@selector(webView:contextMenuWillPresentForElement:)]
>+    && ![delegate respondsToSelector:@selector(_webView:contextMenuDidEndForElement:)]
>+    && ![delegate respondsToSelector:@selector(webView:contextMenuDidEndForElement:)]
>+    && ([delegate respondsToSelector:@selector(webView:shouldPreviewElement:)]
>+        || [delegate respondsToSelector:@selector(webView:previewingViewControllerForElement:defaultActions:)]
>+        || [delegate respondsToSelector:@selector(webView:commitPreviewingViewController:)]
>+        || [delegate respondsToSelector:@selector(_webView:previewViewControllerForURL:defaultActions:elementInfo:)]
>+        || [delegate respondsToSelector:@selector(_webView:previewViewControllerForURL:)]
>+        || [delegate respondsToSelector:@selector(_webView:previewViewControllerForImage:alternateURL:defaultActions:elementInfo:)]);
>+}
>+
>+ALLOW_DEPRECATED_DECLARATIONS_BEGIN
>+static NSArray<WKPreviewAction *> *wkPreviewActionsFromElementActions(NSArray<_WKElementAction *> *elementActions, _WKActivatedElementInfo *elementInfo)
>+{
>+    NSMutableArray<WKPreviewAction *> *previewActions = [NSMutableArray arrayWithCapacity:[elementActions count]];
>+    for (_WKElementAction *elementAction in elementActions) {
>+        WKPreviewAction *previewAction = [WKPreviewAction actionWithIdentifier:previewIdentifierForElementAction(elementAction) title:elementAction.title style:UIPreviewActionStyleDefault handler:^(UIPreviewAction *, UIViewController *) {
>+            [elementAction runActionWithElementInfo:elementInfo];
>+        }];
>+        previewAction.image = [_WKElementAction imageForElementActionType:elementAction.type];
>+        [previewActions addObject:previewAction];
>+    }
>+    return previewActions;
>+}
>+
>+static UIAction *uiActionForPreviewAction(UIPreviewAction *previewAction, UIViewController *previewViewController)
>+{
>+    // UIPreviewActionItem.image is SPI, so no external clients will be able
>+    // to provide glyphs for actions <rdar://problem/50151855>.
>+    // However, they should migrate to the new API.
>+
>+    return [UIAction actionWithTitle:previewAction.title image:previewAction.image identifier:nil handler:^(UIAction *action) {
>+        previewAction.handler(previewAction, previewViewController);
>+    }];
>+}
>+ALLOW_DEPRECATED_DECLARATIONS_END
>+
>+static NSArray<UIMenuElement *> *menuElementsFromPreviewOrDefaults(UIViewController *previewViewController, const RetainPtr<NSArray>& defaultElementActions, RetainPtr<_WKActivatedElementInfo> elementInfo)
>+{
>+    auto actions = [NSMutableArray arrayWithCapacity:defaultElementActions.get().count];
>+
>+    // One of the delegates may have provided a UIViewController with a previewActionItems array. If so,
>+    // we need to convert each UIPreviewActionItem into a UIAction.
>+    if (previewViewController) {
>+        ALLOW_DEPRECATED_DECLARATIONS_BEGIN
>+        NSArray<id<UIPreviewActionItem>> *previewActions = previewViewController.previewActionItems;
>+        for (UIPreviewAction *previewAction in previewActions)
>+            [actions addObject:uiActionForPreviewAction(previewAction, previewViewController)];
>+        ALLOW_DEPRECATED_DECLARATIONS_END
>+    }
>+
>+    if (![actions count]) {
>+        // We either didn't get a custom preview UIViewController, or it didn't provide any actions
>+        // so we should use the default set.
>+        for (_WKElementAction *elementAction in defaultElementActions.get()) {
>+            UIImage *image = [_WKElementAction imageForElementActionType:elementAction.type];
>+
>+            [actions addObject:[UIAction actionWithTitle:elementAction.title image:image identifier:nil handler:^(UIAction *) {
>+                [elementAction runActionWithElementInfo:elementInfo.get()];
>+            }]];
>+        }
>+    }
>+
>+    return actions;
>+}
>+
>+static UIMenu *menuFromPreviewOrDefaults(UIViewController *previewViewController, const RetainPtr<NSArray>& defaultElementActions, RetainPtr<_WKActivatedElementInfo> elementInfo, NSString *title)
>+{
>+    auto actions = menuElementsFromPreviewOrDefaults(previewViewController, defaultElementActions, elementInfo);
>+    return [UIMenu menuWithTitle:title children:actions];
>+}
>+
>+static NSString *titleForMenu(bool isLink, bool showLinkPreviews, const URL& url, const String& title)
>+{
>+    if (isLink && !showLinkPreviews) {
>+        if (!url.isEmpty()) {
>+            if (WTF::protocolIsJavaScript(url))
>+                return WEB_UI_STRING_KEY("JavaScript", "JavaScript Action Sheet Title", "Title for action sheet for JavaScript link");
>+            return WTF::userVisibleString(url);
>+        }
>+    } else if (!isLink && !title.isEmpty())
>+        return title;
>+
>+    return nil;
>+}
>+
>+- (void)assignLegacyDataForContextMenuInteraction
>+{
>+    ASSERT(!_contextMenuHasRequestedLegacyData);
>+    if (_contextMenuHasRequestedLegacyData)
>+        return;
>+    _contextMenuHasRequestedLegacyData = YES;
>+
>+    if (!_webView)
>+        return;
>+    auto uiDelegate = static_cast<id<WKUIDelegatePrivate>>(_webView.UIDelegate);
>+    if (!uiDelegate)
>+        return;
>+
>+    const auto& url = _positionInformation.url;
>+
>+    _page->startInteractionWithElementAtPosition(_positionInformation.request.point);
>+
>+    UIViewController *previewViewController = nil;
>+
>+    auto elementInfo = adoptNS([[_WKActivatedElementInfo alloc] _initWithInteractionInformationAtPosition:_positionInformation]);
>+
>+    if (_positionInformation.isLink) {
>+        _longPressCanClick = NO;
>+
>+        RetainPtr<NSArray<_WKElementAction *>> defaultActionsFromAssistant = [_actionSheetAssistant defaultActionsForLinkSheet:elementInfo.get()];
>+
>+        // FIXME: Animated images go here.
>+
>+        ALLOW_DEPRECATED_DECLARATIONS_BEGIN
>+        if ([uiDelegate respondsToSelector:@selector(webView:previewingViewControllerForElement:defaultActions:)]) {
>+            auto defaultActions = wkPreviewActionsFromElementActions(defaultActionsFromAssistant.get(), elementInfo.get());
>+            auto previewElementInfo = adoptNS([[WKPreviewElementInfo alloc] _initWithLinkURL:url]);
>+            previewViewController = [uiDelegate webView:_webView previewingViewControllerForElement:previewElementInfo.get() defaultActions:defaultActions];
>+        } else if ([uiDelegate respondsToSelector:@selector(_webView:previewViewControllerForURL:defaultActions:elementInfo:)])
>+            previewViewController = [uiDelegate _webView:_webView previewViewControllerForURL:url defaultActions:defaultActionsFromAssistant.get() elementInfo:elementInfo.get()];
>+        else if ([uiDelegate respondsToSelector:@selector(_webView:previewViewControllerForURL:)])
>+            previewViewController = [uiDelegate _webView:_webView previewViewControllerForURL:url];
>+        ALLOW_DEPRECATED_DECLARATIONS_END
>+
>+#if USE(DATA_DETECTORS_FOR_DEFAULT_PREVIEW)
>+        // Previously, UIPreviewItemController would detect the case where there was no previewViewController
>+        // and create one. We need to replicate this code for the new API.
>+        if (!previewViewController) {
>+            auto ddContextMenuActionClass = getDDContextMenuActionClass();
>+            if ([ddContextMenuActionClass respondsToSelector:@selector(contextMenuConfigurationForURL:identifier:selectedText:results:inView:context:menuIdentifier:)]) {
>+                BEGIN_BLOCK_OBJC_EXCEPTIONS;
>+                NSDictionary *context = [self dataDetectionContextForPositionInformation:_positionInformation];
>+                RetainPtr<UIContextMenuConfiguration> dataDetectorsResult = [ddContextMenuActionClass contextMenuConfigurationForURL:url identifier:_positionInformation.dataDetectorIdentifier selectedText:self.selectedText results:_positionInformation.dataDetectorResults.get() inView:self context:context menuIdentifier:nil];
>+                if (_showLinkPreviews && dataDetectorsResult && dataDetectorsResult.get().previewProvider)
>+                    _contextMenuLegacyPreviewController = dataDetectorsResult.get().previewProvider();
>+                if (dataDetectorsResult && dataDetectorsResult.get().actionProvider) {
>+                    auto menuElements = menuElementsFromPreviewOrDefaults(nil, defaultActionsFromAssistant, elementInfo);
>+                    _contextMenuLegacyMenu = dataDetectorsResult.get().actionProvider(menuElements);
>+                }
>+                END_BLOCK_OBJC_EXCEPTIONS;
>+            }
>+            return;
>+        }
>+#endif
>+
>+        auto menuTitle = titleForMenu(true, _showLinkPreviews, url, _positionInformation.title);
>+        _contextMenuLegacyMenu = menuFromPreviewOrDefaults(previewViewController, defaultActionsFromAssistant, elementInfo, menuTitle);
>+
>+    } else if (_positionInformation.isImage) {
>+        NSURL *nsURL = (NSURL *)url;
>+        RetainPtr<NSDictionary> imageInfo;
>+        ASSERT(_positionInformation.image);
>+        auto cgImage = _positionInformation.image->makeCGImageCopy();
>+        auto uiImage = adoptNS([[UIImage alloc] initWithCGImage:cgImage.get()]);
>+
>+        if ([uiDelegate respondsToSelector:@selector(_webView:alternateURLFromImage:userInfo:)]) {
>+            NSDictionary *userInfo;
>+            nsURL = [uiDelegate _webView:_webView alternateURLFromImage:uiImage.get() userInfo:&userInfo];
>+            imageInfo = userInfo;
>+        }
>+
>+        ALLOW_DEPRECATED_DECLARATIONS_BEGIN
>+        if ([uiDelegate respondsToSelector:@selector(_webView:willPreviewImageWithURL:)])
>+            [uiDelegate _webView:_webView willPreviewImageWithURL:_positionInformation.imageURL];
>+
>+        RetainPtr<NSArray<_WKElementAction *>> defaultActionsFromAssistant = [_actionSheetAssistant defaultActionsForImageSheet:elementInfo.get()];
>+
>+        if (imageInfo && [uiDelegate respondsToSelector:@selector(_webView:previewViewControllerForImage:alternateURL:defaultActions:elementInfo:)])
>+            previewViewController = [uiDelegate _webView:_webView previewViewControllerForImage:uiImage.get() alternateURL:nsURL defaultActions:defaultActionsFromAssistant.get() elementInfo:elementInfo.get()];
>+        else
>+            previewViewController = [[WKImagePreviewViewController alloc] initWithCGImage:cgImage defaultActions:defaultActionsFromAssistant.get() elementInfo:elementInfo.get()];
>+        ALLOW_DEPRECATED_DECLARATIONS_END
>+
>+        auto menuTitle = titleForMenu(false, _showLinkPreviews, url, _positionInformation.title);
>+        _contextMenuLegacyMenu = menuFromPreviewOrDefaults(previewViewController, defaultActionsFromAssistant, elementInfo, menuTitle);
>+    }
>+
>+    _contextMenuLegacyPreviewController = _showLinkPreviews ? previewViewController : nullptr;
> }
> 
>+- (UIContextMenuConfiguration *)contextMenuInteraction:(UIContextMenuInteraction *)interaction configurationForMenuAtLocation:(CGPoint)location
>+{
>+    // Required to conform to UIContextMenuInteractionDelegate, but SPI version should be called instead.
>+    ASSERT_NOT_REACHED();
>+    return nil;
>+}
>+
>+- (void)_contextMenuInteraction:(UIContextMenuInteraction *)interaction configurationForMenuAtLocation:(CGPoint)location completion:(void(^)(UIContextMenuConfiguration *))completion
>+{
>+    if (!_webView)
>+        return completion(nil);
>+
>+    const auto position = [interaction locationInView:self];
>+    WebKit::InteractionInformationRequest request { WebCore::roundedIntPoint(position) };
>+    request.includeSnapshot = true;
>+    request.includeLinkIndicator = true;
>+
>+    [self doAfterPositionInformationUpdate:[weakSelf = WeakObjCPtr<WKContentView>(self), completion = makeBlockPtr(completion)] (WebKit::InteractionInformationAtPosition) {
>+        auto strongSelf = weakSelf.get();
>+        if (!strongSelf)
>+            return completion(nil);
>+        [strongSelf continueContextMenuInteraction:completion.get()];
>+    } forRequest:request];
>+}
>+
>+- (void)continueContextMenuInteraction:(void(^)(UIContextMenuConfiguration *))completion
>+{
>+    if (!_positionInformation.isLink && !_positionInformation.isImage && !_positionInformation.isAttachment)
>+        return completion(nil);
>+
>+    URL linkURL = _positionInformation.url;
>+
>+    if (_positionInformation.isLink && linkURL.isEmpty())
>+        return completion(nil);
>+
>+    auto uiDelegate = static_cast<id<WKUIDelegatePrivate>>(_webView.UIDelegate);
>+    if (!uiDelegate)
>+        return completion(nil);
>+
>+    if (needsDeprecatedPreviewAPI(uiDelegate)) {
>+
>+        if (_positionInformation.isLink) {
>+            ALLOW_DEPRECATED_DECLARATIONS_BEGIN
>+            if ([uiDelegate respondsToSelector:@selector(webView:shouldPreviewElement:)]) {
>+                auto previewElementInfo = adoptNS([[WKPreviewElementInfo alloc] _initWithLinkURL:linkURL]);
>+                if (![uiDelegate webView:_webView shouldPreviewElement:previewElementInfo.get()])
>+                    return completion(nil);
>+            }
>+            ALLOW_DEPRECATED_DECLARATIONS_END
>+
>+            // FIXME: Support JavaScript urls here. But make sure they don't show a preview.
>+            // <rdar://problem/50572283>
>+            if (!linkURL.protocolIsInHTTPFamily()) {
>+#if ENABLE(DATA_DETECTION)
>+                if (!WebCore::DataDetection::canBePresentedByDataDetectors(linkURL))
>+                    return completion(nil);
>+#endif
>+            }
>+        }
>+
>+        _contextMenuLegacyPreviewController = nullptr;
>+        _contextMenuLegacyMenu = nullptr;
>+        _contextMenuHasRequestedLegacyData = NO;
>+
>+        UIContextMenuActionProvider actionMenuProvider = [weakSelf = WeakObjCPtr<WKContentView>(self)] (NSArray<UIMenuElement *> *suggestedActions) -> UIMenu * {
>+            auto strongSelf = weakSelf.get();
>+            if (!strongSelf)
>+                return nil;
>+            if (!strongSelf->_contextMenuHasRequestedLegacyData)
>+                [strongSelf assignLegacyDataForContextMenuInteraction];
>+
>+            return strongSelf->_contextMenuLegacyMenu.get();
>+        };
>+
>+        UIContextMenuContentPreviewProvider contentPreviewProvider = [weakSelf = WeakObjCPtr<WKContentView>(self)] () -> UIViewController * {
>+            auto strongSelf = weakSelf.get();
>+            if (!strongSelf)
>+                return nil;
>+            if (!strongSelf->_contextMenuHasRequestedLegacyData)
>+                [strongSelf assignLegacyDataForContextMenuInteraction];
>+
>+            return strongSelf->_contextMenuLegacyPreviewController.get();
>+        };
>+
>+        // FIXME: Should we provide an identifier and ASSERT in delegates if we don't match?
>+        return completion([UIContextMenuConfiguration configurationWithIdentifier:nil previewProvider:contentPreviewProvider actionProvider:actionMenuProvider]);
>+    }
>+
>+    auto completionBlock = makeBlockPtr([completion = makeBlockPtr(completion), linkURL = WTFMove(linkURL), weakSelf = WeakObjCPtr<WKContentView>(self)] (UIContextMenuConfiguration *configurationFromWKUIDelegate) mutable {
>+
>+        auto strongSelf = weakSelf.get();
>+        if (!strongSelf)
>+            return completion(nil);
>+
>+        if (!configurationFromWKUIDelegate) {
>+
>+            strongSelf->_contextMenuElementInfo = nil;
>+
>+            // At this point we have an object we might want to show a context menu for, but the
>+            // client was unable to handle it. Before giving up, we ask DataDetectors.
>+
>+#if ENABLE(DATA_DETECTION)
>+            // FIXME: Support JavaScript urls here. But make sure they don't show a preview.
>+            // <rdar://problem/50572283>
>+            if (!linkURL.protocolIsInHTTPFamily() && !WebCore::DataDetection::canBePresentedByDataDetectors(linkURL))
>+                return completion(nil);
>+
>+            BEGIN_BLOCK_OBJC_EXCEPTIONS;
>+            auto ddContextMenuActionClass = getDDContextMenuActionClass();
>+            if ([ddContextMenuActionClass respondsToSelector:@selector(contextMenuConfigurationWithURL:inView:context:menuIdentifier:)]) {
>+                NSDictionary *context = [strongSelf dataDetectionContextForPositionInformation:strongSelf->_positionInformation];
>+                UIContextMenuConfiguration *configurationFromDD = [ddContextMenuActionClass contextMenuConfigurationForURL:linkURL identifier:strongSelf->_positionInformation.dataDetectorIdentifier selectedText:[strongSelf selectedText] results:strongSelf->_positionInformation.dataDetectorResults.get() inView:strongSelf.get() context:context menuIdentifier:nil];
>+                if (strongSelf->_showLinkPreviews)
>+                    return completion(configurationFromDD);
>+                return completion([UIContextMenuConfiguration configurationWithIdentifier:[configurationFromDD identifier] previewProvider:[configurationFromDD previewProvider] actionProvider:[configurationFromDD actionProvider]]);
>+            }
>+            END_BLOCK_OBJC_EXCEPTIONS;
>+#endif
>+            return completion(nil);
>+        }
>+
>+        id<NSCopying> identifier = [configurationFromWKUIDelegate identifier];
>+        UIContextMenuContentPreviewProvider contentPreviewProvider = [configurationFromWKUIDelegate previewProvider];
>+        UIContextMenuActionProvider actionMenuProvider = [configurationFromWKUIDelegate actionProvider];
>+
>+        auto actionProviderWrapper = [actionProviderFromUIDelegate = makeBlockPtr(actionMenuProvider), weakSelf = WTFMove(weakSelf)] (NSArray<UIMenuElement *> *suggestedActions) -> UIMenu * {
>+            auto strongSelf = weakSelf.get();
>+            if (!strongSelf)
>+                return nil;
>+
>+            auto elementInfo = adoptNS([[_WKActivatedElementInfo alloc] _initWithInteractionInformationAtPosition:strongSelf->_positionInformation]);
>+            RetainPtr<NSArray<_WKElementAction *>> defaultActionsFromAssistant = strongSelf->_positionInformation.isLink ? [strongSelf->_actionSheetAssistant defaultActionsForLinkSheet:elementInfo.get()] : [strongSelf->_actionSheetAssistant defaultActionsForImageSheet:elementInfo.get()];
>+
>+            auto menuElements = menuElementsFromPreviewOrDefaults(nil, defaultActionsFromAssistant, elementInfo);
>+
>+            if (actionProviderFromUIDelegate)
>+                return actionProviderFromUIDelegate(menuElements);
>+
>+            auto title = titleForMenu(strongSelf->_positionInformation.isLink, strongSelf->_showLinkPreviews, strongSelf->_positionInformation.url, strongSelf->_positionInformation.title);
>+            return [UIMenu menuWithTitle:title children:menuElements];
>+        };
>+
>+        completion([UIContextMenuConfiguration configurationWithIdentifier:identifier previewProvider:contentPreviewProvider actionProvider:actionProviderWrapper]);
>+    });
>+
>+    _contextMenuElementInfo = wrapper(API::ContextMenuElementInfo::create(_positionInformation));
>+    if ([uiDelegate respondsToSelector:@selector(_webView:contextMenuConfigurationForElement:completionHandler:)]) {
>+        auto checker = WebKit::CompletionHandlerCallChecker::create(uiDelegate, @selector(_webView:contextMenuConfigurationForElement:completionHandler:));
>+        [uiDelegate _webView:_webView contextMenuConfigurationForElement:_contextMenuElementInfo.get() completionHandler:makeBlockPtr([completionBlock = WTFMove(completionBlock), checker = WTFMove(checker)] (UIContextMenuConfiguration *configuration) {
>+            if (checker->completionHandlerHasBeenCalled())
>+                return;
>+            checker->didCallCompletionHandler();
>+            completionBlock(configuration);
>+        }).get()];
>+    } else if (_positionInformation.isLink && [uiDelegate respondsToSelector:@selector(webView:contextMenuConfigurationForElement:completionHandler:)]) {
>+        auto checker = WebKit::CompletionHandlerCallChecker::create(uiDelegate, @selector(webView:contextMenuConfigurationForElement:completionHandler:));
>+        [uiDelegate webView:_webView contextMenuConfigurationForElement:_contextMenuElementInfo.get() completionHandler:makeBlockPtr([completionBlock = WTFMove(completionBlock), checker = WTFMove(checker)] (UIContextMenuConfiguration *configuration) {
>+            if (checker->completionHandlerHasBeenCalled())
>+                return;
>+            checker->didCallCompletionHandler();
>+            completionBlock(configuration);
>+        }).get()];
>+    } else
>+        completionBlock(nil);
>+}
>+
>+static RetainPtr<UIImage> uiImageForImage(WebCore::Image* image)
>+{
>+    if (!image)
>+        return nil;
>+
>+    auto cgImage = image->nativeImage();
>+    if (!cgImage)
>+        return nil;
>+
>+    return adoptNS([[UIImage alloc] initWithCGImage:cgImage.get()]);
>+}
>+
>+// FIXME: This should be merged with createTargetedDragPreview in DragDropInteractionState.
>+static RetainPtr<UITargetedPreview> createTargetedPreview(UIImage *image, UIView *rootView, UIView *previewContainer, const WebCore::FloatRect& frameInRootViewCoordinates, const Vector<WebCore::FloatRect>& clippingRectsInFrameCoordinates, UIColor *backgroundColor)
>+{
>+    if (frameInRootViewCoordinates.isEmpty() || !image)
>+        return nil;
>+
>+    WebCore::FloatRect frameInContainerCoordinates = [rootView convertRect:frameInRootViewCoordinates toView:previewContainer];
>+    if (frameInContainerCoordinates.isEmpty())
>+        return nil;
>+
>+    WebCore::FloatSize scalingRatio = frameInContainerCoordinates.size() / frameInRootViewCoordinates.size();
>+    NSMutableArray *clippingRectValuesInFrameCoordinates = [NSMutableArray arrayWithCapacity:clippingRectsInFrameCoordinates.size()];
>+
>+    for (auto rect : clippingRectsInFrameCoordinates) {
>+        rect.scale(scalingRatio);
>+        [clippingRectValuesInFrameCoordinates addObject:[NSValue valueWithCGRect:rect]];
>+    }
>+
>+    RetainPtr<UIPreviewParameters> parameters;
>+    if (clippingRectValuesInFrameCoordinates.count)
>+        parameters = adoptNS([[UIPreviewParameters alloc] initWithTextLineRects:clippingRectValuesInFrameCoordinates]);
>+    else
>+        parameters = adoptNS([[UIPreviewParameters alloc] init]);
>+
>+    if (backgroundColor)
>+        [parameters setBackgroundColor:backgroundColor];
>+
>+    CGPoint centerInContainerCoordinates = { CGRectGetMidX(frameInContainerCoordinates), CGRectGetMidY(frameInContainerCoordinates) };
>+    auto target = adoptNS([[UIPreviewTarget alloc] initWithContainer:previewContainer center:centerInContainerCoordinates]);
>+
>+    auto imageView = adoptNS([[UIImageView alloc] initWithImage:image]);
>+    [imageView setFrame:frameInContainerCoordinates];
>+    return adoptNS([[UITargetedPreview alloc] initWithView:imageView.get() parameters:parameters.get() target:target.get()]);
>+}
>+
>+- (UITargetedPreview *)_targetedPreview
>+{
>+    if (_positionInformation.isLink && _positionInformation.linkIndicator.contentImage) {
>+        [self _startSuppressingSelectionAssistantForReason:WebKit::InteractionIsHappening];
>+
>+        auto indicator = _positionInformation.linkIndicator;
>+        auto textIndicatorImage = uiImageForImage(indicator.contentImage.get());
>+
>+        return createTargetedPreview(textIndicatorImage.get(), self, self.unscaledView, indicator.textBoundingRectInRootViewCoordinates, indicator.textRectsInBoundingRectCoordinates, [UIColor colorWithCGColor:cachedCGColor(indicator.estimatedBackgroundColor)]).autorelease();
>+    }
>+
>+    if ((_positionInformation.isAttachment || _positionInformation.isImage) && _positionInformation.image) {
>+        [self _startSuppressingSelectionAssistantForReason:WebKit::InteractionIsHappening];
>+
>+        RetainPtr<CGImageRef> cgImage = _positionInformation.image->makeCGImageCopy();
>+        auto image = adoptNS([[UIImage alloc] initWithCGImage:cgImage.get()]);
>+
>+        return createTargetedPreview(image.get(), self, self.unscaledView, _positionInformation.bounds, { }, nil).autorelease();
>+    }
>+
>+    return nil;
>+}
>+
>+- (UITargetedPreview *)contextMenuInteraction:(UIContextMenuInteraction *)interaction previewForHighlightingMenuWithConfiguration:(UIContextMenuConfiguration *)configuration
>+{
>+    return [self _targetedPreview];
>+}
>+
>+- (void)contextMenuInteractionWillPresent:(UIContextMenuInteraction *)interaction
>+{
>+    if (!_webView)
>+        return;
>+    auto uiDelegate = static_cast<id<WKUIDelegatePrivate>>(_webView.UIDelegate);
>+    if (!uiDelegate)
>+        return;
>+    if ([uiDelegate respondsToSelector:@selector(webView:contextMenuWillPresentForElement:)])
>+        [uiDelegate webView:_webView contextMenuWillPresentForElement:_contextMenuElementInfo.get()];
>+    else if ([uiDelegate respondsToSelector:@selector(_webView:contextMenuWillPresentForElement:)]) {
>+        ALLOW_DEPRECATED_DECLARATIONS_BEGIN
>+        [uiDelegate _webView:_webView contextMenuWillPresentForElement:_contextMenuElementInfo.get()];
>+        ALLOW_DEPRECATED_DECLARATIONS_END
>+    }
>+}
>+
>+- (UITargetedPreview *)contextMenuInteraction:(UIContextMenuInteraction *)interaction previewForDismissingMenuWithConfiguration:(UIContextMenuConfiguration *)configuration
>+{
>+    return [self _targetedPreview];
>+}
>+
>+- (void)contextMenuInteraction:(UIContextMenuInteraction *)interaction willCommitWithAnimator:(id<UIContextMenuInteractionCommitAnimating>)animator
>+{
>+    if (!_webView)
>+        return;
>+
>+    [self _stopSuppressingSelectionAssistantForReason:WebKit::InteractionIsHappening];
>+
>+    auto uiDelegate = static_cast<id<WKUIDelegatePrivate>>(_webView.UIDelegate);
>+    if (!uiDelegate)
>+        return;
>+
>+    if (needsDeprecatedPreviewAPI(uiDelegate)) {
>+
>+        if (_positionInformation.isImage) {
>+            if ([uiDelegate respondsToSelector:@selector(_webView:commitPreviewedImageWithURL:)]) {
>+                const auto& imageURL = _positionInformation.imageURL;
>+                if (imageURL.isEmpty() || !(imageURL.protocolIsInHTTPFamily() || imageURL.protocolIs("data")))
>+                    return;
>+                ALLOW_DEPRECATED_DECLARATIONS_BEGIN
>+                [uiDelegate _webView:_webView commitPreviewedImageWithURL:(NSURL *)imageURL];
>+                ALLOW_DEPRECATED_DECLARATIONS_END
>+            }
>+            return;
>+        }
>+
>+        if ([uiDelegate respondsToSelector:@selector(webView:commitPreviewingViewController:)]) {
>+            ALLOW_DEPRECATED_DECLARATIONS_BEGIN
>+            if (auto viewController = _contextMenuLegacyPreviewController.get())
>+                [uiDelegate webView:_webView commitPreviewingViewController:viewController];
>+            ALLOW_DEPRECATED_DECLARATIONS_END
>+            return;
>+        }
>+
>+        if ([uiDelegate respondsToSelector:@selector(_webView:commitPreviewedViewController:)]) {
>+            ALLOW_DEPRECATED_DECLARATIONS_BEGIN
>+            if (auto viewController = _contextMenuLegacyPreviewController.get())
>+                [uiDelegate _webView:_webView commitPreviewedViewController:viewController];
>+            ALLOW_DEPRECATED_DECLARATIONS_END
>+            return;
>+        }
>+
>+        return;
>+    }
>+
>+    if ([uiDelegate respondsToSelector:@selector(webView:contextMenuForElement:willCommitWithAnimator:)])
>+        [uiDelegate webView:_webView contextMenuForElement:_contextMenuElementInfo.get() willCommitWithAnimator:animator];
>+    else if ([uiDelegate respondsToSelector:@selector(_webView:contextMenuForElement:willCommitWithAnimator:)]) {
>+        ALLOW_DEPRECATED_DECLARATIONS_BEGIN
>+        [uiDelegate _webView:_webView contextMenuForElement:_contextMenuElementInfo.get() willCommitWithAnimator:animator];
>+        ALLOW_DEPRECATED_DECLARATIONS_END
>+    }
>+}
>+
>+- (void)contextMenuInteractionDidEnd:(UIContextMenuInteraction *)interaction
>+{
>+    if (!_webView)
>+        return;
>+
>+    [self _stopSuppressingSelectionAssistantForReason:WebKit::InteractionIsHappening];
>+
>+    // FIXME: This delegate is being called more than once by UIKit. <rdar://problem/51550291>
>+    // This conditional avoids the WKUIDelegate being called twice too.
>+    if (!_contextMenuElementInfo) {
>+        auto uiDelegate = static_cast<id<WKUIDelegatePrivate>>(_webView.UIDelegate);
>+        if ([uiDelegate respondsToSelector:@selector(webView:contextMenuDidEndForElement:)])
>+            [uiDelegate webView:_webView contextMenuDidEndForElement:_contextMenuElementInfo.get()];
>+        else if ([uiDelegate respondsToSelector:@selector(_webView:contextMenuDidEndForElement:)]) {
>+            ALLOW_DEPRECATED_DECLARATIONS_BEGIN
>+            [uiDelegate _webView:_webView contextMenuDidEndForElement:_contextMenuElementInfo.get()];
>+            ALLOW_DEPRECATED_DECLARATIONS_END
>+        }
>+    }
>+
>+    _contextMenuLegacyPreviewController = nullptr;
>+    _contextMenuLegacyMenu = nullptr;
>+    _contextMenuHasRequestedLegacyData = NO;
>+    _contextMenuElementInfo = nullptr;
>+}
>+
>+@end
>+
>+#else
>+
>+@implementation WKContentView (WKInteractionPreview)
>+
> - (void)_registerPreview
> {
>     if (!_webView.allowsLinkPreview)
>@@ -7766,7 +8332,7 @@ static NSString *previewIdentifierForElementAction(_WKElementAction *action)
> 
> @end
> 
>-#endif // USE(LONG_PRESS_FOR_LINK_PREVIEW)
>+#endif // USE(UICONTEXTMENU)
> 
> #endif // HAVE(LINK_PREVIEW)
>

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Attachments on bug 198986: 372414 | 372415 | 372417 | 372419 | 372444 | 372446