extensions/browser/app_window/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 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   ~AppWindowContentsImpl() override;
  33
  34   // AppWindowContents
  35   void Initialize(content::BrowserContext* context, const GURL& url) override;
  36   void LoadContents(int32 creator_process_id) override;
  37   void NativeWindowChanged(NativeAppWindow* native_app_window) override;
  38   void NativeWindowClosed() override;
  39   void DispatchWindowShownForTests() const override;
  40   content::WebContents* GetWebContents() const override;
  41
  42  private:
  43   // content::WebContentsObserver
  44   bool OnMessageReceived(const IPC::Message& message) override;
  45
  46   // ExtensionFunctionDispatcher::Delegate
  47   WindowController* GetExtensionWindowController() const override;
  48   content::WebContents* GetAssociatedWebContents() const override;
  49
  50   void OnRequest(const ExtensionHostMsg_Request_Params& params);
  51   void UpdateDraggableRegions(const std::vector<DraggableRegion>& regions);
  52   void SuspendRenderViewHost(content::RenderViewHost* rvh);
  53
  54   AppWindow* host_;  // This class is owned by |host_|
  55   GURL url_;
  56   scoped_ptr<content::WebContents> web_contents_;
  57   scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
  58
  59   DISALLOW_COPY_AND_ASSIGN(AppWindowContentsImpl);
  60 };
  61
  62 }  // namespace extensions
  63
  64 #endif  // EXTENSIONS_BROWSER_APP_WINDOW_APP_WINDOW_CONTENTS_H_