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      1 // Copyright (c) 2011 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_GTK_EXTENSIONS_EXTENSION_VIEW_GTK_H_
      6 #define CHROME_BROWSER_UI_GTK_EXTENSIONS_EXTENSION_VIEW_GTK_H_
      7 #pragma once
      8 
      9 #include "base/basictypes.h"
     10 #include "third_party/skia/include/core/SkBitmap.h"
     11 #include "ui/gfx/native_widget_types.h"
     12 #include "ui/gfx/size.h"
     13 
     14 class Browser;
     15 class ExtensionHost;
     16 class RenderViewHost;
     17 class RenderWidgetHostViewGtk;
     18 class SkBitmap;
     19 
     20 class ExtensionViewGtk {
     21  public:
     22   ExtensionViewGtk(ExtensionHost* extension_host, Browser* browser);
     23 
     24   class Container {
     25    public:
     26     virtual ~Container() {}
     27     virtual void OnExtensionPreferredSizeChanged(ExtensionViewGtk* view,
     28                                                  const gfx::Size& new_size) {}
     29   };
     30 
     31   void Init();
     32 
     33   gfx::NativeView native_view();
     34   Browser* browser() const { return browser_; }
     35 
     36   void SetBackground(const SkBitmap& background);
     37 
     38   // Sets the container for this view.
     39   void SetContainer(Container* container) { container_ = container; }
     40 
     41   // Method for the ExtensionHost to notify us about the correct size for
     42   // extension contents.
     43   void UpdatePreferredSize(const gfx::Size& new_size);
     44 
     45   // Method for the ExtensionHost to notify us when the RenderViewHost has a
     46   // connection.
     47   void RenderViewCreated();
     48 
     49   RenderViewHost* render_view_host() const;
     50 
     51  private:
     52   void CreateWidgetHostView();
     53 
     54   Browser* browser_;
     55 
     56   ExtensionHost* extension_host_;
     57 
     58   RenderWidgetHostViewGtk* render_widget_host_view_;
     59 
     60   // The background the view should have once it is initialized. This is set
     61   // when the view has a custom background, but hasn't been initialized yet.
     62   SkBitmap pending_background_;
     63 
     64   // This view's container.
     65   Container* container_;
     66 
     67   DISALLOW_COPY_AND_ASSIGN(ExtensionViewGtk);
     68 };
     69 
     70 #endif  // CHROME_BROWSER_UI_GTK_EXTENSIONS_EXTENSION_VIEW_GTK_H_
     71