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_PANEL_RESOURCE_PROVIDER_H_ 6 #define CHROME_BROWSER_TASK_MANAGER_PANEL_RESOURCE_PROVIDER_H_ 7 8 #include <map> 9 10 #include "base/basictypes.h" 11 #include "base/strings/string16.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 #include "ui/gfx/image/image_skia.h" 16 17 class Panel; 18 class TaskManager; 19 20 namespace task_manager { 21 22 class PanelResource; 23 24 class PanelResourceProvider : public ResourceProvider, 25 public content::NotificationObserver { 26 public: 27 explicit PanelResourceProvider(TaskManager* task_manager); 28 29 // ResourceProvider methods: 30 virtual Resource* GetResource(int origin_pid, 31 int render_process_host_id, 32 int routing_id) OVERRIDE; 33 virtual void StartUpdating() OVERRIDE; 34 virtual void StopUpdating() OVERRIDE; 35 36 // content::NotificationObserver method: 37 virtual void Observe(int type, 38 const content::NotificationSource& source, 39 const content::NotificationDetails& details) OVERRIDE; 40 41 private: 42 virtual ~PanelResourceProvider(); 43 44 void Add(Panel* panel); 45 void Remove(Panel* panel); 46 47 // Whether we are currently reporting to the task manager. Used to ignore 48 // notifications sent after StopUpdating(). 49 bool updating_; 50 51 TaskManager* task_manager_; 52 53 // Maps the actual resources (the Panels) to the Task Manager resources. 54 typedef std::map<Panel*, PanelResource*> PanelResourceMap; 55 PanelResourceMap resources_; 56 57 // A scoped container for notification registries. 58 content::NotificationRegistrar registrar_; 59 60 DISALLOW_COPY_AND_ASSIGN(PanelResourceProvider); 61 }; 62 63 } // namespace task_manager 64 65 #endif // CHROME_BROWSER_TASK_MANAGER_PANEL_RESOURCE_PROVIDER_H_ 66
