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

content/public/browser/render_view_host.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_PUBLIC_BROWSER_RENDER_VIEW_HOST_H_
 #define CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_H_
 
 #include "base/callback_forward.h"
 #include "base/files/file_path.h"
 #include "build/build_config.h"
@@ skipping 97 matching lines @@
   // Notifies the renderer that a a drag operation that it started has ended,
   // either in a drop or by being cancelled.
   virtual void DragSourceEndedAt(
       int client_x, int client_y, int screen_x, int screen_y,
       blink::WebDragOperation operation) = 0;
 
   // Notifies the renderer that we're done with the drag and drop operation.
   // This allows the renderer to reset some state.
   virtual void DragSourceSystemDragEnded() = 0;
 
-  // D&d drop target messages that get sent to WebKit.
-  virtual void DragTargetDragEnter(
-      const DropData& drop_data,
-      const gfx::Point& client_pt,
-      const gfx::Point& screen_pt,
-      blink::WebDragOperationsMask operations_allowed,
-      int key_modifiers) = 0;
-  virtual void DragTargetDragEnterWithMetaData(
-      const std::vector<DropData::Metadata>& metadata,
-      const gfx::Point& client_pt,
-      const gfx::Point& screen_pt,
-      blink::WebDragOperationsMask operations_allowed,
-      int key_modifiers) = 0;
-  virtual void DragTargetDragOver(
-      const gfx::Point& client_pt,
-      const gfx::Point& screen_pt,
-      blink::WebDragOperationsMask operations_allowed,
-      int key_modifiers) = 0;
-  virtual void DragTargetDragLeave() = 0;
-  virtual void DragTargetDrop(const DropData& drop_data,
-                              const gfx::Point& client_pt,
-                              const gfx::Point& screen_pt,
-                              int key_modifiers) = 0;
+  // Filters drop data before it is passed to RenderWidgetHostImpl.
   virtual void FilterDropData(DropData* drop_data) = 0;

[dcheng, 2016/11/09 20:23:17]

Does it make sense to move this somewhere else?

[paulmeyer, 2016/11/09 23:19:11]

Yes, I'll move it into RenderWidgetHost now.

 
   // Instructs the RenderView to automatically resize and send back updates
   // for the new size.
   virtual void EnableAutoResize(const gfx::Size& min_size,
                                 const gfx::Size& max_size) = 0;
 
   // Turns off auto-resize and gives a new size that the view should be.
   virtual void DisableAutoResize(const gfx::Size& new_size) = 0;
 
   // Instructs the RenderView to send back updates to the preferred size.
@@ skipping 53 matching lines @@
 
  private:
   // This interface should only be implemented inside content.
   friend class RenderViewHostImpl;
   RenderViewHost() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_H_