src/apps/app_window_contents.h

   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 CHROME_BROWSER_EXTENSIONS_APP_WINDOW_CONTENTS_H_
   6 #define CHROME_BROWSER_EXTENSIONS_APP_WINDOW_CONTENTS_H_
   7
   8 #include <vector>
   9
  10 #include "apps/app_window.h"
  11 #include "base/basictypes.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "chrome/browser/extensions/extension_function_dispatcher.h"
  14 #include "content/public/browser/notification_observer.h"
  15 #include "content/public/browser/web_contents_observer.h"
  16
  17 class GURL;
  18
  19 namespace content {
  20 class BrowserContext;
  21 }
  22
  23 namespace extensions {
  24 struct DraggableRegion;
  25 }
  26
  27 namespace apps {
  28
  29 // AppWindowContents class specific to app windows. It maintains a
  30 // WebContents instance and observes it for the purpose of passing
  31 // messages to the extensions system.
  32 class AppWindowContentsImpl : public AppWindowContents,
  33                               public content::NotificationObserver,
  34                               public content::WebContentsObserver,
  35                               public ExtensionFunctionDispatcher::Delegate {
  36  public:
  37   explicit AppWindowContentsImpl(AppWindow* host);
  38   virtual ~AppWindowContentsImpl();
  39
  40   // AppWindowContents
  41   virtual void Initialize(content::BrowserContext* context,
  42                           const GURL& url) OVERRIDE;
  43   virtual void LoadContents(int32 creator_process_id) OVERRIDE;
  44   virtual void NativeWindowChanged(NativeAppWindow* native_app_window) OVERRIDE;
  45   virtual void NativeWindowClosed() OVERRIDE;
  46   virtual content::WebContents* GetWebContents() const OVERRIDE;
  47
  48  private:
  49   // content::NotificationObserver
  50   virtual void Observe(int type,
  51                        const content::NotificationSource& source,
  52                        const content::NotificationDetails& details) OVERRIDE;
  53
  54   // content::WebContentsObserver
  55   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  56
  57   // ExtensionFunctionDispatcher::Delegate
  58   virtual extensions::WindowController* GetExtensionWindowController() const
  59       OVERRIDE;
  60   virtual content::WebContents* GetAssociatedWebContents() const OVERRIDE;
  61
  62   void OnRequest(const ExtensionHostMsg_Request_Params& params);
  63   void UpdateDraggableRegions(
  64       const std::vector<extensions::DraggableRegion>& regions);
  65   void SuspendRenderViewHost(content::RenderViewHost* rvh);
  66
  67   AppWindow* host_;  // This class is owned by |host_|
  68   GURL url_;
  69   content::NotificationRegistrar registrar_;
  70   scoped_ptr<content::WebContents> web_contents_;
  71   scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
  72
  73   DISALLOW_COPY_AND_ASSIGN(AppWindowContentsImpl);
  74 };
  75
  76 }  // namespace apps
  77
  78 #endif  // CHROME_BROWSER_EXTENSIONS_APP_WINDOW_CONTENTS_H_