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      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 CHROME_BROWSER_UI_VIEWS_FRAME_CONTENTS_WEB_VIEW_H_
      6 #define CHROME_BROWSER_UI_VIEWS_FRAME_CONTENTS_WEB_VIEW_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/compiler_specific.h"
     10 #include "base/memory/scoped_ptr.h"
     11 #include "chrome/browser/ui/views/frame/web_contents_close_handler_delegate.h"
     12 #include "ui/compositor/layer_owner_delegate.h"
     13 #include "ui/views/controls/webview/webview.h"
     14 
     15 class StatusBubbleViews;
     16 
     17 namespace ui {
     18 class LayerTreeOwner;
     19 }
     20 
     21 // ContentsWebView is used to present the WebContents of the active tab.
     22 class ContentsWebView
     23     : public views::WebView,
     24       public ui::LayerOwnerDelegate,
     25       public WebContentsCloseHandlerDelegate {
     26  public:
     27   explicit ContentsWebView(content::BrowserContext* browser_context);
     28   virtual ~ContentsWebView();
     29 
     30   // Sets the status bubble, which should be repositioned every time
     31   // this view changes visible bounds.
     32   void SetStatusBubble(StatusBubbleViews* status_bubble);
     33 
     34   // WebView overrides:
     35   virtual bool GetNeedsNotificationWhenVisibleBoundsChange() const OVERRIDE;
     36   virtual void OnVisibleBoundsChanged() OVERRIDE;
     37   virtual void ViewHierarchyChanged(const ViewHierarchyChangedDetails& details)
     38       OVERRIDE;
     39   virtual void OnThemeChanged() OVERRIDE;
     40 
     41   // ui::LayerOwnerDelegate overrides:
     42   virtual void OnLayerRecreated(ui::Layer* old_layer,
     43                                 ui::Layer* new_layer) OVERRIDE;
     44 
     45   // WebContentsCloseHandlerDelegate overrides:
     46   virtual void CloneWebContentsLayer() OVERRIDE;
     47   virtual void DestroyClonedLayer() OVERRIDE;
     48 
     49  private:
     50   StatusBubbleViews* status_bubble_;
     51 
     52   scoped_ptr<ui::LayerTreeOwner> cloned_layer_tree_;
     53 
     54   DISALLOW_COPY_AND_ASSIGN(ContentsWebView);
     55 };
     56 
     57 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_CONTENTS_WEB_VIEW_H_
     58