src/chrome/browser/extensions/api/tabs/ash_panel_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_API_TABS_ASH_PANEL_CONTENTS_H_
   6 #define CHROME_BROWSER_EXTENSIONS_API_TABS_ASH_PANEL_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 "chrome/browser/ui/ash/launcher/launcher_favicon_loader.h"
  15 #include "content/public/browser/web_contents_observer.h"
  16
  17 class AshPanelWindowController;
  18 class GURL;
  19
  20 namespace content {
  21 class RenderViewHost;
  22 }
  23
  24 namespace extensions {
  25 struct DraggableRegion;
  26 }
  27
  28 // apps::AppWindowContents class specific to panel windows created by v1
  29 // extenstions. This class maintains a WebContents instance and observes it for
  30 // the purpose of passing messages to the extensions system. It also creates
  31 // an extensions::WindowController instance for interfacing with the v1
  32 // extensions API.
  33 class AshPanelContents : public apps::AppWindowContents,
  34                          public content::WebContentsObserver,
  35                          public LauncherFaviconLoader::Delegate,
  36                          public ExtensionFunctionDispatcher::Delegate {
  37  public:
  38   explicit AshPanelContents(apps::AppWindow* host);
  39   virtual ~AshPanelContents();
  40
  41   // apps::AppWindowContents
  42   virtual void Initialize(content::BrowserContext* context,
  43                           const GURL& url) OVERRIDE;
  44   virtual void LoadContents(int32 creator_process_id) OVERRIDE;
  45   virtual void NativeWindowChanged(apps::NativeAppWindow* native_app_window)
  46       OVERRIDE;
  47   virtual void NativeWindowClosed() OVERRIDE;
  48   virtual content::WebContents* GetWebContents() const OVERRIDE;
  49
  50   // LauncherFaviconLoader::Delegate overrides:
  51   virtual void FaviconUpdated() OVERRIDE;
  52
  53   // ExtensionFunctionDispatcher::Delegate
  54   virtual extensions::WindowController* GetExtensionWindowController() const
  55       OVERRIDE;
  56   virtual content::WebContents* GetAssociatedWebContents() const OVERRIDE;
  57
  58   LauncherFaviconLoader* launcher_favicon_loader_for_test() {
  59     return launcher_favicon_loader_.get();
  60   }
  61
  62  private:
  63   // content::WebContentsObserver
  64   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  65
  66   void OnRequest(const ExtensionHostMsg_Request_Params& params);
  67
  68   apps::AppWindow* host_;
  69   GURL url_;
  70   scoped_ptr<content::WebContents> web_contents_;
  71   scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
  72   scoped_ptr<AshPanelWindowController> window_controller_;
  73   scoped_ptr<LauncherFaviconLoader> launcher_favicon_loader_;
  74
  75   DISALLOW_COPY_AND_ASSIGN(AshPanelContents);
  76 };
  77
  78 #endif  // CHROME_BROWSER_EXTENSIONS_API_TABS_ASH_PANEL_CONTENTS_H_