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| 1 // Copyright 2017 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_PROVIDERS_RENDER_PROCESS_HOST_TASK_PROVIDER_
H_ |
| 6 #define CHROME_BROWSER_TASK_MANAGER_PROVIDERS_RENDER_PROCESS_HOST_TASK_PROVIDER_
H_ |
| 7 |
| 8 #include <map> |
| 9 #include <memory> |
| 10 #include <vector> |
| 11 |
| 12 #include "base/macros.h" |
| 13 #include "base/memory/weak_ptr.h" |
| 14 #include "chrome/browser/task_manager/providers/task_provider.h" |
| 15 #include "content/public/browser/notification_observer.h" |
| 16 #include "content/public/browser/notification_registrar.h" |
| 17 #include "content/public/browser/notification_service.h" |
| 18 |
| 19 namespace task_manager { |
| 20 |
| 21 class ChildProcessTask; |
| 22 |
| 23 // Defines a provider to provide possibly redundant tasks that represent RPHs |
| 24 // that are active. This can track interstitial pages and tracks RPHs that have |
| 25 // service workers still alive in them. |
| 26 class RenderProcessHostTaskProvider : public TaskProvider, |
| 27 public content::NotificationObserver { |
| 28 public: |
| 29 RenderProcessHostTaskProvider(); |
| 30 ~RenderProcessHostTaskProvider() override; |
| 31 |
| 32 // task_manager::TaskProvider: |
| 33 Task* GetTaskOfUrlRequest(int origin_pid, |
| 34 int child_id, |
| 35 int route_id) override; |
| 36 |
| 37 // content::NotificationObserver: |
| 38 void Observe(int type, |
| 39 const content::NotificationSource& source, |
| 40 const content::NotificationDetails& details) override; |
| 41 |
| 42 private: |
| 43 // task_manager::TaskProvider: |
| 44 void StartUpdating() override; |
| 45 void StopUpdating() override; |
| 46 |
| 47 // Creates a RenderProcessHostTask from the given |data| and notifies the |
| 48 // observer of its addition. |
| 49 void CreateTask(const int render_process_host_id); |
| 50 |
| 51 // Deletes a RenderProcessHostTask whose |render_process_host_ID| is provided |
| 52 // after notifying the observer of its deletion. |
| 53 void DeleteTask(const int render_process_host_id); |
| 54 |
| 55 std::map<int, std::unique_ptr<ChildProcessTask>> tasks_by_rph_id_; |
| 56 |
| 57 // Object for registering notification requests. |
| 58 content::NotificationRegistrar registrar_; |
| 59 |
| 60 // Always keep this the last member of this class to make sure it's the |
| 61 // first thing to be destructed. |
| 62 base::WeakPtrFactory<RenderProcessHostTaskProvider> weak_ptr_factory_; |
| 63 |
| 64 DISALLOW_COPY_AND_ASSIGN(RenderProcessHostTaskProvider); |
| 65 }; |
| 66 |
| 67 } // namespace task_manager |
| 68 |
| 69 #endif // CHROME_BROWSER_TASK_MANAGER_PROVIDERS_RENDER_PROCESS_HOST_TASK_PROVID
ER_H_ |
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