extensions: Add ExtensionView interface.

chrome/browser/ui/cocoa/extensions/extension_view_mac.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_VIEW_MAC_H_
 #define CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_VIEW_MAC_H_
 
 #include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "chrome/browser/extensions/extension_view.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/size.h"
 
-class Browser;
-class SkBitmap;
-
 namespace content {
 class RenderViewHost;
 }
 
 namespace extensions {
 class ExtensionHost;
 }
 
 // This class represents extension views. An extension view internally contains
 // a bridge to an extension process, which draws to the extension view's
 // native view object through IPC.
-class ExtensionViewMac {
+class ExtensionViewMac : public ExtensionView {
  public:
   class Container {
    public:
     virtual ~Container() {}
     virtual void OnExtensionSizeChanged(ExtensionViewMac* view,
                                         const gfx::Size& new_size) {}
-    virtual void OnExtensionViewDidShow(ExtensionViewMac* view) {};
+    virtual void OnExtensionViewDidShow(ExtensionViewMac* view) {}
   };
 
   ExtensionViewMac(extensions::ExtensionHost* extension_host, Browser* browser);
   ~ExtensionViewMac();
 
   // Starts the extension process and creates the native view. You must call
   // this method before calling any of this class's other methods.
   void Init();
 
   // Returns the extension's native view.
   gfx::NativeView native_view();
 
-  // Returns the browser the extension belongs to.
-  Browser* browser() const { return browser_; }
-
-  // Method for the ExtensionHost to notify us that the extension page is
-  // loaded.
-  void DidStopLoading();
-
   // Sets the extensions's background image.
   void SetBackground(const SkBitmap& background);
 
   // Sets the container for this view.
   void set_container(Container* container) { container_ = container; }
 
-  // Method for the ExtensionHost to notify us about the correct size for
-  // extension contents.
-  void ResizeDueToAutoResize(const gfx::Size& new_size);
-
-  // Method for the ExtensionHost to notify us when the RenderViewHost has a
-  // connection.
-  void RenderViewCreated();
-
   // Informs the view that its containing window's frame changed.
   void WindowFrameChanged();
 
   // The minimum/maximum dimensions of the popup.
   // The minimum is just a little larger than the size of the button itself.
   // The maximum is an arbitrary number that should be smaller than most
   // screens.
   static const CGFloat kMinWidth;
   static const CGFloat kMinHeight;
   static const CGFloat kMaxWidth;
   static const CGFloat kMaxHeight;
 
  private:
+  // Overridden from ExtensionView:
+  virtual Browser* GetBrowser() OVERRIDE;
+  virtual const Browser* GetBrowser() const OVERRIDE;
+  virtual void ResizeDueToAutoResize(const gfx::Size& new_size) OVERRIDE;
+  virtual void RenderViewCreated() OVERRIDE;
+  virtual void DidStopLoading() OVERRIDE;
+
   content::RenderViewHost* render_view_host() const;
 
   void CreateWidgetHostView();
 
   // We wait to show the ExtensionView until several things have loaded.
   void ShowIfCompletelyLoaded();
 
   Browser* browser_;  // weak
 
   extensions::ExtensionHost* extension_host_;  // weak
 
   // The background the view should have once it is initialized. This is set
   // when the view has a custom background, but hasn't been initialized yet.
   SkBitmap pending_background_;
 
   // What we should set the preferred width to once the ExtensionView has
   // loaded.
   gfx::Size pending_preferred_size_;
 
   Container* container_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionViewMac);
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_VIEW_MAC_H_