Drag-and-drop: DragEnter, DragOver, DragLeave, DragDrop

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 100 matching lines @@
   void setTextDirection(WebTextDirection) override;
   bool isAcceleratedCompositingActive() const override;
   void willCloseLayerTreeView() override;
   void didAcquirePointerLock() override;
   void didNotAcquirePointerLock() override;
   void didLosePointerLock() override;
   bool getCompositionCharacterBounds(WebVector<WebRect>& bounds) override;
   void applyReplacementRange(const WebRange&) override;
 
   // WebFrameWidget implementation.
-  WebLocalFrameImpl* localRoot() override { return m_localRoot; }
+  WebLocalFrameImpl* localRoot() const override { return m_localRoot; }
   void setVisibilityState(WebPageVisibilityState) override;
   bool isTransparent() const override;
   void setIsTransparent(bool) override;
   void setBaseBackgroundColor(WebColor) override;
   WebInputMethodControllerImpl* getActiveWebInputMethodController()
       const override;
 
   Frame* focusedCoreFrame() const;
 
   // Returns the currently focused Element or null if no element has focus.
@@ skipping 12 matching lines @@
   void detachCompositorAnimationTimeline(CompositorAnimationTimeline*) override;
   HitTestResult coreHitTestResultAt(const WebPoint&) override;
 
   // Exposed for the purpose of overriding device metrics.
   void sendResizeEventAndRepaint();
 
   void updateMainFrameLayoutSize();
 
   void setIgnoreInputEvents(bool newValue);
 
-  // Returns the page object associated with this widget. This may be null when
-  // the page is shutting down, but will be valid at all other times.
-  Page* page() const { return view()->page(); }
-
   // Event related methods:
   void mouseContextMenu(const WebMouseEvent&);
 
   WebLayerTreeView* layerTreeView() const { return m_layerTreeView; }
   GraphicsLayer* rootGraphicsLayer() const { return m_rootGraphicsLayer; };
 
   Color baseBackgroundColor() const { return m_baseBackgroundColor; }
 
   DECLARE_TRACE();
 
@@ skipping 15 matching lines @@
   // PageWidgetEventHandler functions
   void handleMouseLeave(LocalFrame&, const WebMouseEvent&) override;
   void handleMouseDown(LocalFrame&, const WebMouseEvent&) override;
   void handleMouseUp(LocalFrame&, const WebMouseEvent&) 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(); }
   InspectorOverlay* inspectorOverlay();
 
   // This method returns the focused frame belonging to this WebWidget, that
   // is, a focused frame with the same local root as the one corresponding
   // to this widget. It will return nullptr if no frame is focused or, the
   // focused frame has a different local root.
   LocalFrame* focusedLocalFrameInWidget() const;
 
   WebPlugin* focusedPluginIfInputMethodSupported(LocalFrame*) const;
 
@@ skipping 42 matching lines @@
 
 DEFINE_TYPE_CASTS(WebFrameWidgetImpl,
                   WebFrameWidgetBase,
                   widget,
                   widget->forSubframe(),
                   widget.forSubframe());
 
 }  // namespace blink
 
 #endif