content/public/browser/web_contents_view_delegate.h

   1 // Copyright (c) 2012 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 CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_WIN_DELEGATE_H_
   6 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_WIN_DELEGATE_H_
   7
   8 #if defined(OS_MACOSX)
   9 #import <Cocoa/Cocoa.h>
  10 #endif
  11
  12 #include "content/common/content_export.h"
  13 #include "ui/gfx/native_widget_types.h"
  14
  15 #if defined(OS_MACOSX)
  16 @protocol RenderWidgetHostViewMacDelegate;
  17 #endif
  18
  19 namespace gfx {
  20 class Size;
  21 }
  22
  23 namespace ui {
  24 class FocusStoreGtk;
  25 }
  26
  27 namespace content {
  28 class RenderFrameHost;
  29 class RenderWidgetHost;
  30 class WebDragDestDelegate;
  31 struct ContextMenuParams;
  32
  33 // This interface allows a client to extend the functionality of the
  34 // WebContentsView implementation.
  35 class CONTENT_EXPORT WebContentsViewDelegate {
  36  public:
  37   virtual ~WebContentsViewDelegate() {}
  38
  39   // Returns a delegate to process drags not handled by content.
  40   virtual WebDragDestDelegate* GetDragDestDelegate() = 0;
  41
  42   // Shows a context menu.
  43   virtual void ShowContextMenu(RenderFrameHost* render_frame_host,
  44                                const ContextMenuParams& params) = 0;
  45
  46 #if defined(USE_AURA)
  47   // These methods allow the embedder to intercept WebContentsViewWin's
  48   // implementation of these WebContentsView methods. See the WebContentsView
  49   // interface documentation for more information about these methods.
  50   virtual void StoreFocus() = 0;
  51   virtual void RestoreFocus() = 0;
  52   virtual bool Focus() = 0;
  53   virtual void TakeFocus(bool reverse) = 0;
  54   virtual void SizeChanged(const gfx::Size& size) = 0;
  55 #elif defined(OS_MACOSX)
  56   // Returns a newly-created delegate for the RenderWidgetHostViewMac, to handle
  57   // events on the responder chain.
  58   virtual NSObject<RenderWidgetHostViewMacDelegate>*
  59       CreateRenderWidgetHostViewDelegate(
  60           RenderWidgetHost* render_widget_host) = 0;
  61 #endif
  62 };
  63
  64 }  // namespace content
  65
  66 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_WIN_DELEGATE_H_