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