extensions: Add ExtensionView interface.

chrome/browser/extensions/extension_host.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_EXTENSIONS_EXTENSION_HOST_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_HOST_H_
 
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/perftimer.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/common/view_type.h"
 #include "content/public/browser/javascript_dialogs.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_contents_observer.h"
 
-#if defined(TOOLKIT_VIEWS)
-#include "chrome/browser/ui/views/extensions/extension_view_views.h"
-#elif defined(OS_MACOSX)
-#include "chrome/browser/ui/cocoa/extensions/extension_view_mac.h"
-#elif defined(TOOLKIT_GTK)
-#include "chrome/browser/ui/gtk/extensions/extension_view_gtk.h"
-#elif defined(OS_ANDROID)
-#include "chrome/browser/ui/android/extensions/extension_view_android.h"
-#endif
-
 class Browser;
+class ExtensionView;
 class PrefsTabHelper;
 
 namespace content {
 class RenderProcessHost;
 class RenderWidgetHostView;
 class SiteInstance;
 class WebIntentsDispatcher;
 }
 
 namespace extensions {
 class Extension;
 class WindowController;
 
 // This class is the browser component of an extension component's RenderView.
 // It handles setting up the renderer process, if needed, with special
 // privileges available to extensions.  It may have a view to be shown in the
 // browser UI, or it may be hidden.
 class ExtensionHost : public content::WebContentsDelegate,
                       public content::WebContentsObserver,
                       public ExtensionFunctionDispatcher::Delegate,
                       public content::NotificationObserver {
  public:
   class ProcessCreationQueue;
 
-#if defined(TOOLKIT_VIEWS)
-  typedef ExtensionViewViews PlatformExtensionView;
-#elif defined(OS_MACOSX)
-  typedef ExtensionViewMac PlatformExtensionView;
-#elif defined(TOOLKIT_GTK)
-  typedef ExtensionViewGtk PlatformExtensionView;
-#elif defined(OS_ANDROID)
-  // Android does not support extensions.
-  typedef ExtensionViewAndroid PlatformExtensionView;
-#endif
-
   ExtensionHost(const Extension* extension,
                 content::SiteInstance* site_instance,
-                const GURL& url, chrome::ViewType host_type);
+                const GURL& url,
+                chrome::ViewType host_type);
   virtual ~ExtensionHost();
 
-#if defined(TOOLKIT_VIEWS)
-  void set_view(PlatformExtensionView* view) { view_.reset(view); }
-#endif
+  void SetExtensionView(ExtensionView* view);
 
-  const PlatformExtensionView* view() const {
-#if defined(OS_ANDROID)
-    NOTREACHED();
-#endif
-    return view_.get();
-  }
-
-  PlatformExtensionView* view() {
-#if defined(OS_ANDROID)
-    NOTREACHED();
-#endif
-    return view_.get();
-  }
+  const ExtensionView* GetExtensionView() const;
+  ExtensionView* GetExtensionView();
 
   // Create an ExtensionView and tie it to this host and |browser|.  Note NULL
   // is a valid argument for |browser|.  Extension views may be bound to
   // tab-contents hosted in ExternalTabContainer objects, which do not
   // instantiate Browser objects.
   void CreateView(Browser* browser);
 
   const Extension* extension() const { return extension_; }
   const std::string& extension_id() const { return extension_id_; }
   content::WebContents* host_contents() const { return host_contents_.get(); }
@@ skipping 101 matching lines @@
 
   // Handles keyboard events that were not handled by HandleKeyboardEvent().
   // Platform specific implementation may override this method to handle the
   // event in platform specific way.
   virtual void UnhandledKeyboardEvent(
       content::WebContents* source,
       const content::NativeWebKeyboardEvent& event);
 
   // Returns true if we're hosting a background page.
   // This isn't valid until CreateRenderView is called.
-  bool is_background_page() const { return !view(); }
+  bool is_background_page() const { return !GetExtensionView(); }
 
   // The extension that we're hosting in this view.
   const Extension* extension_;
 
   // Id of extension that we're hosting in this view.
   const std::string extension_id_;
 
   // The profile that this host is tied to.
   Profile* profile_;
 
   // Optional view that shows the rendered content in the UI.
-  scoped_ptr<PlatformExtensionView> view_;
+  scoped_ptr<ExtensionView> extension_view_;
 
   // Used to create dialog boxes.
   // It must outlive host_contents_ as host_contents_ will access it
   // during destruction.
   scoped_ptr<content::JavaScriptDialogCreator> dialog_creator_;
 
   // The host for our HTML content.
   scoped_ptr<content::WebContents> host_contents_;
 
   // Helpers that take care of extra functionality for our host contents.
@@ skipping 25 matching lines @@
 
   // Used to measure how long it's been since the host was created.
   PerfTimer since_created_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionHost);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_HOST_H_