| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_TASK_MANAGER_TAB_CONTENTS_RESOURCE_PROVIDER_H_ |
| #define CHROME_BROWSER_TASK_MANAGER_TAB_CONTENTS_RESOURCE_PROVIDER_H_ |
| |
| #include <map> |
| |
| #include "base/basictypes.h" |
| #include "chrome/browser/task_manager/resource_provider.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| |
| class TaskManager; |
| |
| namespace content { |
| class WebContents; |
| class NotificationSource; |
| class NotificationDetails; |
| } |
| |
| namespace task_manager { |
| |
| class TabContentsResource; |
| |
| // Provides resources for tab contents, prerendered pages, Instant pages, and |
| // background printing pages. |
| class TabContentsResourceProvider : public ResourceProvider, |
| public content::NotificationObserver { |
| public: |
| explicit TabContentsResourceProvider(TaskManager* task_manager); |
| |
| virtual Resource* GetResource(int origin_pid, |
| int render_process_host_id, |
| int routing_id) OVERRIDE; |
| virtual void StartUpdating() OVERRIDE; |
| virtual void StopUpdating() OVERRIDE; |
| |
| // content::NotificationObserver method: |
| virtual void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) OVERRIDE; |
| |
| private: |
| virtual ~TabContentsResourceProvider(); |
| |
| void Add(content::WebContents* web_contents); |
| void Remove(content::WebContents* web_contents); |
| |
| void AddToTaskManager(content::WebContents* web_contents); |
| |
| // Whether we are currently reporting to the task manager. Used to ignore |
| // notifications sent after StopUpdating(). |
| bool updating_; |
| |
| TaskManager* task_manager_; |
| |
| // Maps the actual resources (the WebContentses) to the Task Manager |
| // resources. |
| std::map<content::WebContents*, TabContentsResource*> resources_; |
| |
| // A scoped container for notification registries. |
| content::NotificationRegistrar registrar_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TabContentsResourceProvider); |
| }; |
| |
| } // namespace task_manager |
| |
| #endif // CHROME_BROWSER_TASK_MANAGER_TAB_CONTENTS_RESOURCE_PROVIDER_H_ |