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_NOTIFICATION_RESOURCE_PROVIDER_H_ 6 #define CHROME_BROWSER_TASK_MANAGER_NOTIFICATION_RESOURCE_PROVIDER_H_ 7 8 #include <map> 9 #include <vector> 10 11 #include "base/basictypes.h" 12 #include "chrome/browser/task_manager/resource_provider.h" 13 #include "content/public/browser/notification_observer.h" 14 #include "content/public/browser/notification_registrar.h" 15 16 class BalloonHost; 17 class TaskManager; 18 19 namespace task_manager { 20 21 class NotificationResource; 22 23 class NotificationResourceProvider : public ResourceProvider, 24 public content::NotificationObserver { 25 public: 26 static NotificationResourceProvider* Create(TaskManager* task_manager); 27 28 // ResourceProvider interface 29 virtual Resource* GetResource(int origin_pid, 30 int render_process_host_id, 31 int routing_id) OVERRIDE; 32 virtual void StartUpdating() OVERRIDE; 33 virtual void StopUpdating() OVERRIDE; 34 35 // content::NotificationObserver interface 36 virtual void Observe(int type, 37 const content::NotificationSource& source, 38 const content::NotificationDetails& details) OVERRIDE; 39 40 private: 41 explicit NotificationResourceProvider(TaskManager* task_manager); 42 virtual ~NotificationResourceProvider(); 43 44 void AddToTaskManager(BalloonHost* balloon_host); 45 void RemoveFromTaskManager(BalloonHost* balloon_host); 46 47 TaskManager* task_manager_; 48 49 // Maps the actual resources (BalloonHost*) to the Task Manager resources. 50 std::map<BalloonHost*, NotificationResource*> resources_; 51 52 // A scoped container for notification registries. 53 content::NotificationRegistrar registrar_; 54 55 bool updating_; 56 57 DISALLOW_COPY_AND_ASSIGN(NotificationResourceProvider); 58 }; 59 60 } // namespace task_manager 61 62 #endif // CHROME_BROWSER_TASK_MANAGER_NOTIFICATION_RESOURCE_PROVIDER_H_ 63