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| 1 // Copyright (c) 2012 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_UI_WEBUI_TASK_MANAGER_HANDLER_H_ | |
| 6 #define CHROME_BROWSER_UI_WEBUI_TASK_MANAGER_HANDLER_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include <set> | |
| 10 #include <string> | |
| 11 #include <vector> | |
| 12 | |
| 13 #include "content/public/browser/web_ui_message_handler.h" | |
| 14 #include "chrome/browser/task_manager/task_manager.h" | |
| 15 | |
| 16 namespace base { | |
| 17 class ListValue; | |
| 18 } | |
| 19 | |
| 20 class TaskManagerHandler : public content::WebUIMessageHandler, | |
| 21 public TaskManagerModelObserver { | |
| 22 public: | |
| 23 explicit TaskManagerHandler(TaskManager* tm); | |
| 24 virtual ~TaskManagerHandler(); | |
| 25 | |
| 26 // TaskManagerModelObserver implementation. | |
| 27 // Invoked when the model has been completely changed. | |
| 28 virtual void OnModelChanged() OVERRIDE; | |
| 29 // Invoked when a range of items has changed. | |
| 30 virtual void OnItemsChanged(int start, int length) OVERRIDE; | |
| 31 // Invoked when new items are added. | |
| 32 virtual void OnItemsAdded(int start, int length) OVERRIDE; | |
| 33 // Invoked when a range of items has been removed. | |
| 34 virtual void OnItemsRemoved(int start, int length) OVERRIDE; | |
| 35 | |
| 36 // Invoked when the initialization of the model has been finished and | |
| 37 // periodic updates is started. | |
| 38 virtual void OnReadyPeriodicalUpdate() OVERRIDE; | |
| 39 | |
| 40 // WebUIMessageHandler implementation. | |
| 41 virtual void RegisterMessages() OVERRIDE; | |
| 42 | |
| 43 // Callback for the "killProcesses" message. | |
| 44 void HandleKillProcesses(const base::ListValue* indexes); | |
| 45 | |
| 46 // Callback for the "activatePage" message. | |
| 47 void HandleActivatePage(const base::ListValue* resource_index); | |
| 48 | |
| 49 // Callback for the "inspect" message. | |
| 50 void HandleInspect(const base::ListValue* resource_index); | |
| 51 | |
| 52 void EnableTaskManager(const base::ListValue* indexes); | |
| 53 void DisableTaskManager(const base::ListValue* indexes); | |
| 54 void OpenAboutMemory(const base::ListValue* indexes); | |
| 55 | |
| 56 // Callback for the "setUpdateColumn" message. | |
| 57 void HandleSetUpdateColumn(const base::ListValue* args); | |
| 58 | |
| 59 private: | |
| 60 bool is_alive(); | |
| 61 | |
| 62 // Models | |
| 63 TaskManager* task_manager_; | |
| 64 TaskManagerModel* model_; | |
| 65 | |
| 66 bool is_enabled_; | |
| 67 | |
| 68 // Set to store the enabled columns. | |
| 69 std::set<std::string> enabled_columns_; | |
| 70 | |
| 71 // Invoked when group(s) are added/changed/removed. | |
| 72 // These method are called from OnItemAdded/-Changed/-Removed internally. | |
| 73 void OnGroupAdded(int start, int length); | |
| 74 void OnGroupChanged(int start, int length); | |
| 75 void OnGroupRemoved(int start, int length); | |
| 76 | |
| 77 DISALLOW_COPY_AND_ASSIGN(TaskManagerHandler); | |
| 78 }; | |
| 79 | |
| 80 #endif // CHROME_BROWSER_UI_WEBUI_TASK_MANAGER_HANDLER_H_ | |
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