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

content/browser/renderer_host/render_widget_host_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 156 matching lines @@
   void RemoveKeyPressEventCallback(
       const KeyPressEventCallback& callback) override;
   void AddMouseEventCallback(const MouseEventCallback& callback) override;
   void RemoveMouseEventCallback(const MouseEventCallback& callback) override;
   void AddInputEventObserver(
       RenderWidgetHost::InputEventObserver* observer) override;
   void RemoveInputEventObserver(
       RenderWidgetHost::InputEventObserver* observer) override;
   void GetScreenInfo(content::ScreenInfo* result) override;
   void HandleCompositorProto(const std::vector<uint8_t>& proto) override;
+  // |drop_data| must have been filtered. The embedder should call
+  // FilterDropData before passing the drop data to RWHI.
+  void DragTargetDragEnter(const DropData& drop_data,
+                           const gfx::Point& client_pt,
+                           const gfx::Point& screen_pt,
+                           blink::WebDragOperationsMask operations_allowed,
+                           int key_modifiers) override;
+  void DragTargetDragOver(const gfx::Point& client_pt,
+                          const gfx::Point& screen_pt,
+                          blink::WebDragOperationsMask operations_allowed,
+                          int key_modifiers) override;
+  void DragTargetDragLeave() override;
+  // |drop_data| must have been filtered. The embedder should call
+  // FilterDropData before passing the drop data to RWHI.
+  void DragTargetDrop(const DropData& drop_data,
+                      const gfx::Point& client_pt,
+                      const gfx::Point& screen_pt,
+                      int key_modifiers) override;
 
   // Notification that the screen info has changed.
   void NotifyScreenInfoChanged();
 
   // Forces redraw in the renderer and when the update reaches the browser
   // grabs snapshot from the compositor. Returns PNG-encoded snapshot.
   using GetSnapshotFromBrowserCallback =
       base::Callback<void(const unsigned char*, size_t)>;
   void GetSnapshotFromBrowser(const GetSnapshotFromBrowserCallback& callback);
 
@@ skipping 675 matching lines @@
 #endif
 
   base::WeakPtrFactory<RenderWidgetHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_