Return a enumeration of the state of handling of InputEvents.

third_party/WebKit/Source/web/WebFrameWidgetImpl.h

 /*
  * Copyright (C) 2014 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 65 matching lines @@
     void resizeVisualViewport(const WebSize&) override;
     void willEndLiveResize() override;
     void didEnterFullScreen() override;
     void didExitFullScreen() override;
     void beginFrame(double lastFrameTimeMonotonic) override;
     void updateAllLifecyclePhases() override;
     void paint(WebCanvas*, const WebRect&) override;
     void layoutAndPaintAsync(WebLayoutAndPaintAsyncCallback*) override;
     void compositeAndReadbackAsync(WebCompositeAndReadbackAsyncCallback*) override;
     void themeChanged() override;
-    bool handleInputEvent(const WebInputEvent&) override;
+    WebInputEventResult handleInputEvent(const WebInputEvent&) override;
     void setCursorVisibilityState(bool isVisible) override;
     bool hasTouchEventHandlersAt(const WebPoint&) override;
 
     void applyViewportDeltas(
         const WebFloatSize& visualViewportDelta,
         const WebFloatSize& mainFrameDelta,
         const WebFloatSize& elasticOverscrollDelta,
         float pageScaleDelta,
         float topControlsDelta) override;
     void mouseCaptureLost() override;
@@ skipping 66 matching lines @@
     friend class WTF::RefCounted<WebFrameWidgetImpl>;
 #endif
 
     explicit WebFrameWidgetImpl(WebWidgetClient*, WebLocalFrame*);
     ~WebFrameWidgetImpl();
 
     // Perform a hit test for a point relative to the root frame of the page.
     HitTestResult hitTestResultForRootFramePos(const IntPoint& posInRootFrame);
 
     // Returns true if the event was actually processed.
-    bool keyEventDefault(const WebKeyboardEvent&);
+    WebInputEventResult keyEventDefault(const WebKeyboardEvent&);
 
     // Returns true if the view was scrolled.
-    bool scrollViewWithKeyboard(int keyCode, int modifiers);
+    WebInputEventResult scrollViewWithKeyboard(int keyCode, int modifiers);
 
     void initializeLayerTreeView();
 
     void setIsAcceleratedCompositingActive(bool);
     void updateLayerTreeViewport();
     void updateLayerTreeBackgroundColor();
     void updateLayerTreeDeviceScaleFactor();
 
     bool isTransparent() const;
 
     // PageWidgetEventHandler functions
     void handleMouseLeave(LocalFrame&, const WebMouseEvent&) override;
     void handleMouseDown(LocalFrame&, const WebMouseEvent&) override;
     void handleMouseUp(LocalFrame&, const WebMouseEvent&) override;
-    bool handleMouseWheel(LocalFrame&, const WebMouseWheelEvent&) override;
-    bool handleGestureEvent(const WebGestureEvent&) override;
-    bool handleKeyEvent(const WebKeyboardEvent&) override;
-    bool handleCharEvent(const WebKeyboardEvent&) override;
+    WebInputEventResult handleMouseWheel(LocalFrame&, const WebMouseWheelEvent&) override;
+    WebInputEventResult handleGestureEvent(const WebGestureEvent&) override;
+    WebInputEventResult handleKeyEvent(const WebKeyboardEvent&) override;
+    WebInputEventResult handleCharEvent(const WebKeyboardEvent&) override;
 
     WebViewImpl* view() const { return m_localRoot->viewImpl(); }
 
     WebWidgetClient* m_client;
 
     // WebFrameWidget is associated with a subtree of the frame tree, corresponding to a maximal
     // connected tree of LocalFrames. This member points to the root of that subtree.
     RawPtrWillBeMember<WebLocalFrameImpl> m_localRoot;
 
     WebSize m_size;
@@ skipping 17 matching lines @@
 #if ENABLE(OILPAN)
     SelfKeepAlive<WebFrameWidgetImpl> m_selfKeepAlive;
 #endif
 };
 
 DEFINE_TYPE_CASTS(WebFrameWidgetImpl, WebFrameWidget, widget, widget->forSubframe(), widget.forSubframe());
 
 } // namespace blink
 
 #endif