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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_WEBUI_TASK_MANAGER_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_TASK_MANAGER_HANDLER_H_
#pragma once
#include <vector>
#include "content/browser/webui/web_ui.h"
#include "chrome/browser/task_manager/task_manager.h"
class ListValue;
class TaskManagerHandler : public WebUIMessageHandler,
public TaskManagerModelObserver {
public:
explicit TaskManagerHandler(TaskManager* tm);
virtual ~TaskManagerHandler();
void Init();
// TaskManagerModelObserver implementation.
// Invoked when the model has been completely changed.
virtual void OnModelChanged() OVERRIDE;
// Invoked when a range of items has changed.
virtual void OnItemsChanged(int start, int length) OVERRIDE;
// Invoked when new items are added.
virtual void OnItemsAdded(int start, int length) OVERRIDE;
// Invoked when a range of items has been removed.
virtual void OnItemsRemoved(int start, int length) OVERRIDE;
// WebUIMessageHandler implementation.
virtual void RegisterMessages() OVERRIDE;
// Callback for the "killProcess" message.
void HandleKillProcess(const ListValue* args);
void EnableTaskManager(const ListValue* indexes);
void DisableTaskManager(const ListValue* indexes);
void OpenAboutMemory(const ListValue* indexes);
private:
// Models
TaskManager* task_manager_;
TaskManagerModel* model_;
bool is_enabled_;
// Table to cache the group index of the resource index.
std::vector<int> resource_to_group_table_;
// Invoked when group(s) are added/changed/removed.
// These method are called from OnItemAdded/-Changed/-Removed internally.
void OnGroupAdded(int start, int length);
void OnGroupChanged(int start, int length);
void OnGroupRemoved(int start, int length);
// Updates |resource_to_group_table_|.
void UpdateResourceGroupTable(int start, int length);
DISALLOW_COPY_AND_ASSIGN(TaskManagerHandler);
};
#endif // CHROME_BROWSER_UI_WEBUI_TASK_MANAGER_HANDLER_H_
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