chrome/browser/task_manager/task_manager_background_resource_provider.h - Issue 15196003: Create task_manager namespace and wrap classes related to TaskManager with it.

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Side by Side Diff: chrome/browser/task_manager/task_manager_background_resource_provider.h

Issue 15196003: Create task_manager namespace and wrap classes related to TaskManager with it. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Rebase Created 7 years, 7 months ago

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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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