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 "base/basictypes.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "chrome/browser/ui/ash/launcher/launcher_favicon_loader.h"
  13 #include "content/public/browser/web_contents_observer.h"
  14 #include "extensions/browser/app_window/app_window.h"
  15 #include "extensions/browser/extension_function_dispatcher.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 // extensions::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
  34     : public extensions::AppWindowContents,
  35       public content::WebContentsObserver,
  36       public LauncherFaviconLoader::Delegate,
  37       public extensions::ExtensionFunctionDispatcher::Delegate {
  38  public:
  39   explicit AshPanelContents(extensions::AppWindow* host);
  40   ~AshPanelContents() override;
  41
  42   // extensions::AppWindowContents
  43   void Initialize(content::BrowserContext* context, const GURL& url) override;
  44   void LoadContents(int32 creator_process_id) override;
  45   void NativeWindowChanged(
  46       extensions::NativeAppWindow* native_app_window) override;
  47   void NativeWindowClosed() override;
  48   void DispatchWindowShownForTests() const override;
  49   content::WebContents* GetWebContents() const override;
  50
  51   // LauncherFaviconLoader::Delegate overrides:
  52   void FaviconUpdated() override;
  53
  54   // extensions::ExtensionFunctionDispatcher::Delegate
  55   extensions::WindowController* GetExtensionWindowController() const override;
  56   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   bool OnMessageReceived(const IPC::Message& message) override;
  65
  66   void OnRequest(const ExtensionHostMsg_Request_Params& params);
  67
  68   extensions::AppWindow* host_;
  69   GURL url_;
  70   scoped_ptr<content::WebContents> web_contents_;
  71   scoped_ptr<extensions::ExtensionFunctionDispatcher>
  72       extension_function_dispatcher_;
  73   scoped_ptr<AshPanelWindowController> window_controller_;
  74   scoped_ptr<LauncherFaviconLoader> launcher_favicon_loader_;
  75
  76   DISALLOW_COPY_AND_ASSIGN(AshPanelContents);
  77 };
  78
  79 #endif  // CHROME_BROWSER_EXTENSIONS_API_TABS_ASH_PANEL_CONTENTS_H_