chrome/browser/ui/views/frame/contents_web_view.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 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   ~ContentsWebView() override;
  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   bool GetNeedsNotificationWhenVisibleBoundsChange() const override;
  36   void OnVisibleBoundsChanged() override;
  37   void ViewHierarchyChanged(
  38       const ViewHierarchyChangedDetails& details) override;
  39   void OnThemeChanged() override;
  40
  41   // ui::LayerOwnerDelegate overrides:
  42   void OnLayerRecreated(ui::Layer* old_layer, ui::Layer* new_layer) override;
  43
  44   // WebContentsCloseHandlerDelegate overrides:
  45   void CloneWebContentsLayer() override;
  46   void DestroyClonedLayer() override;
  47
  48  private:
  49   StatusBubbleViews* status_bubble_;
  50
  51   scoped_ptr<ui::LayerTreeOwner> cloned_layer_tree_;
  52
  53   DISALLOW_COPY_AND_ASSIGN(ContentsWebView);
  54 };
  55
  56 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_CONTENTS_WEB_VIEW_H_