components/renderer_context_menu/context_menu_delegate.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_RENDERER_CONTEXT_MENU_CONTEXT_MENU_DELEGATE_H_
   6 #define COMPONENTS_RENDERER_CONTEXT_MENU_CONTEXT_MENU_DELEGATE_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9
  10 class RenderViewContextMenu;
  11
  12 namespace content {
  13 class WebContents;
  14 struct ContextMenuParams;
  15 }
  16
  17 // A ContextMenuDelegate can build and show renderer context menu.
  18 class ContextMenuDelegate {
  19  public:
  20   explicit ContextMenuDelegate(content::WebContents* web_contents);
  21   virtual ~ContextMenuDelegate();
  22
  23   static ContextMenuDelegate* FromWebContents(
  24       content::WebContents* web_contents);
  25
  26   // Builds and returns a context menu for a context specified by |params|.
  27   // The returned value can be used to display the context menu.
  28   virtual scoped_ptr<RenderViewContextMenu> BuildMenu(
  29       content::WebContents* web_contents,
  30       const content::ContextMenuParams& params) = 0;
  31
  32   // Displays the context menu.
  33   virtual void ShowMenu(scoped_ptr<RenderViewContextMenu> menu) = 0;
  34
  35  private:
  36   DISALLOW_COPY_AND_ASSIGN(ContextMenuDelegate);
  37 };
  38
  39 #endif  // COMPONENTS_RENDERER_CONTEXT_MENU_CONTEXT_MENU_DELEGATE_H_