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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_TASK_MANAGER_TASK_MANAGER_BACKGROUND_RESOURCE_PROVIDER_H_ | |
6 #define CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_BACKGROUND_RESOURCE_PROVIDER_H_ | |
7 | |
8 #include <map> | |
9 | |
10 #include "base/basictypes.h" | |
11 #include "base/string16.h" | |
12 #include "chrome/browser/task_manager/task_manager.h" | |
13 #include "content/public/browser/notification_observer.h" | |
14 #include "content/public/browser/notification_registrar.h" | |
15 | |
16 class BackgroundContents; | |
17 class TaskManagerBackgroundContentsResource; | |
18 | |
19 class TaskManagerBackgroundContentsResourceProvider | |
20 : public TaskManager::ResourceProvider, | |
21 public content::NotificationObserver { | |
22 public: | |
23 explicit TaskManagerBackgroundContentsResourceProvider( | |
24 TaskManager* task_manager); | |
25 | |
26 virtual TaskManager::Resource* GetResource(int origin_pid, | |
27 int render_process_host_id, | |
28 int routing_id) OVERRIDE; | |
29 virtual void StartUpdating() OVERRIDE; | |
30 virtual void StopUpdating() OVERRIDE; | |
31 | |
32 // content::NotificationObserver method: | |
33 virtual void Observe(int type, | |
34 const content::NotificationSource& source, | |
35 const content::NotificationDetails& details) OVERRIDE; | |
36 | |
37 private: | |
38 virtual ~TaskManagerBackgroundContentsResourceProvider(); | |
39 | |
40 void Add(BackgroundContents* background_contents, const string16& title); | |
41 void Remove(BackgroundContents* background_contents); | |
42 | |
43 void AddToTaskManager(BackgroundContents* background_contents, | |
44 const string16& title); | |
45 | |
46 // Whether we are currently reporting to the task manager. Used to ignore | |
47 // notifications sent after StopUpdating(). | |
48 bool updating_; | |
49 | |
50 TaskManager* task_manager_; | |
51 | |
52 // Maps the actual resources (the BackgroundContents) to the Task Manager | |
53 // resources. | |
54 typedef std::map<BackgroundContents*, TaskManagerBackgroundContentsResource*> | |
55 Resources; | |
56 Resources resources_; | |
57 | |
58 // A scoped container for notification registries. | |
59 content::NotificationRegistrar registrar_; | |
60 | |
61 DISALLOW_COPY_AND_ASSIGN(TaskManagerBackgroundContentsResourceProvider); | |
62 }; | |
63 | |
64 #endif // CHROME_BROWSER_TASK_MANAGER_TASK_MANAGER_BACKGROUND_RESOURCE_PROVIDER
_H_ | |
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