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      1 // Copyright 2013 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 EXTENSIONS_BROWSER_APP_WINDOW_APP_WINDOW_CONTENTS_H_
      6 #define EXTENSIONS_BROWSER_APP_WINDOW_APP_WINDOW_CONTENTS_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/memory/scoped_ptr.h"
     10 #include "content/public/browser/notification_observer.h"
     11 #include "content/public/browser/web_contents_observer.h"
     12 #include "extensions/browser/app_window/app_window.h"
     13 #include "extensions/browser/extension_function_dispatcher.h"
     14 #include "url/gurl.h"
     15 
     16 namespace content {
     17 class BrowserContext;
     18 }
     19 
     20 namespace extensions {
     21 
     22 struct DraggableRegion;
     23 
     24 // AppWindowContents class specific to app windows. It maintains a
     25 // WebContents instance and observes it for the purpose of passing
     26 // messages to the extensions system.
     27 class AppWindowContentsImpl : public AppWindowContents,
     28                               public content::WebContentsObserver,
     29                               public ExtensionFunctionDispatcher::Delegate {
     30  public:
     31   explicit AppWindowContentsImpl(AppWindow* host);
     32   virtual ~AppWindowContentsImpl();
     33 
     34   // AppWindowContents
     35   virtual void Initialize(content::BrowserContext* context,
     36                           const GURL& url) OVERRIDE;
     37   virtual void LoadContents(int32 creator_process_id) OVERRIDE;
     38   virtual void NativeWindowChanged(NativeAppWindow* native_app_window) OVERRIDE;
     39   virtual void NativeWindowClosed() OVERRIDE;
     40   virtual void DispatchWindowShownForTests() const OVERRIDE;
     41   virtual content::WebContents* GetWebContents() const OVERRIDE;
     42 
     43  private:
     44   // content::WebContentsObserver
     45   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
     46 
     47   // ExtensionFunctionDispatcher::Delegate
     48   virtual WindowController* GetExtensionWindowController() const OVERRIDE;
     49   virtual content::WebContents* GetAssociatedWebContents() const OVERRIDE;
     50 
     51   void OnRequest(const ExtensionHostMsg_Request_Params& params);
     52   void UpdateDraggableRegions(const std::vector<DraggableRegion>& regions);
     53   void SuspendRenderViewHost(content::RenderViewHost* rvh);
     54 
     55   AppWindow* host_;  // This class is owned by |host_|
     56   GURL url_;
     57   scoped_ptr<content::WebContents> web_contents_;
     58   scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
     59 
     60   DISALLOW_COPY_AND_ASSIGN(AppWindowContentsImpl);
     61 };
     62 
     63 }  // namespace extensions
     64 
     65 #endif  // EXTENSIONS_BROWSER_APP_WINDOW_APP_WINDOW_CONTENTS_H_
     66