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 APPS_APP_WINDOW_CONTENTS_H_
   6 #define APPS_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 struct DraggableRegion;
  22 }
  23
  24 namespace apps {
  25
  26 // AppWindowContents class specific to app windows. It maintains a
  27 // WebContents instance and observes it for the purpose of passing
  28 // messages to the extensions system.
  29 class AppWindowContentsImpl
  30     : public extensions::AppWindowContents,
  31       public content::WebContentsObserver,
  32       public extensions::ExtensionFunctionDispatcher::Delegate {
  33  public:
  34   explicit AppWindowContentsImpl(extensions::AppWindow* host);
  35   virtual ~AppWindowContentsImpl();
  36
  37   // AppWindowContents
  38   virtual void Initialize(content::BrowserContext* context,
  39                           const GURL& url) OVERRIDE;
  40   virtual void LoadContents(int32 creator_process_id) OVERRIDE;
  41   virtual void NativeWindowChanged(
  42       extensions::NativeAppWindow* native_app_window) OVERRIDE;
  43   virtual void NativeWindowClosed() OVERRIDE;
  44   virtual void DispatchWindowShownForTests() const OVERRIDE;
  45   virtual content::WebContents* GetWebContents() const OVERRIDE;
  46
  47  private:
  48   // content::WebContentsObserver
  49   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  50
  51   // extensions::ExtensionFunctionDispatcher::Delegate
  52   virtual extensions::WindowController* GetExtensionWindowController() const
  53       OVERRIDE;
  54   virtual content::WebContents* GetAssociatedWebContents() const OVERRIDE;
  55
  56   void OnRequest(const ExtensionHostMsg_Request_Params& params);
  57   void UpdateDraggableRegions(
  58       const std::vector<extensions::DraggableRegion>& regions);
  59   void SuspendRenderViewHost(content::RenderViewHost* rvh);
  60
  61   extensions::AppWindow* host_;  // This class is owned by |host_|
  62   GURL url_;
  63   scoped_ptr<content::WebContents> web_contents_;
  64   scoped_ptr<extensions::ExtensionFunctionDispatcher>
  65       extension_function_dispatcher_;
  66
  67   DISALLOW_COPY_AND_ASSIGN(AppWindowContentsImpl);
  68 };
  69
  70 }  // namespace apps
  71
  72 #endif  // APPS_APP_WINDOW_CONTENTS_H_