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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_TASK_MANAGER_WORKER_RESOURCE_PROVIDER_H_
#define CHROME_BROWSER_TASK_MANAGER_WORKER_RESOURCE_PROVIDER_H_
#include <map>
#include <vector>
#include "base/basictypes.h"
#include "base/memory/singleton.h"
#include "chrome/browser/task_manager/resource_provider.h"
#include "content/public/browser/browser_child_process_observer.h"
#include "content/public/browser/worker_service_observer.h"
class TaskManager;
namespace task_manager {
class SharedWorkerResource;
class WorkerResourceProvider : public ResourceProvider,
public content::BrowserChildProcessObserver,
private content::WorkerServiceObserver {
public:
explicit WorkerResourceProvider(TaskManager* task_manager);
private:
class WorkerResourceListHolder;
typedef std::vector<SharedWorkerResource*> WorkerResourceList;
typedef scoped_ptr<SharedWorkerResource> WorkerResourceHolder;
typedef std::map<int, WorkerResourceList> ProcessIdToWorkerResources;
virtual ~WorkerResourceProvider();
// ResourceProvider implementation.
virtual Resource* GetResource(int origin_pid,
int render_process_host_id,
int routing_id) OVERRIDE;
virtual void StartUpdating() OVERRIDE;
virtual void StopUpdating() OVERRIDE;
// content::BrowserChildProcessObserver implementation.
virtual void BrowserChildProcessHostConnected(
const content::ChildProcessData& data) OVERRIDE;
virtual void BrowserChildProcessHostDisconnected(
const content::ChildProcessData& data) OVERRIDE;
// content::WorkerServiceObserver implementation.
virtual void WorkerCreated(const GURL& url,
const string16& name,
int process_id,
int route_id) OVERRIDE;
virtual void WorkerDestroyed(int process_id, int route_id) OVERRIDE;
void NotifyWorkerCreated(WorkerResourceHolder* resource_holder);
void NotifyWorkerDestroyed(int process_id, int routing_id);
void StartObservingWorkers();
void StopObservingWorkers();
void AddWorkerResourceList(WorkerResourceListHolder* resource_list_holder);
void AddResource(SharedWorkerResource* resource);
void DeleteAllResources();
bool updating_;
TaskManager* task_manager_;
WorkerResourceList resources_;
// Map from worker process id to the list of its workers. This list contains
// entries for worker processes which has not launched yet but for which we
// have already received WorkerCreated event. We don't add such workers to
// the task manager until the process is launched.
ProcessIdToWorkerResources launching_workers_;
DISALLOW_COPY_AND_ASSIGN(WorkerResourceProvider);
};
} // namespace task_manager
#endif // CHROME_BROWSER_TASK_MANAGER_WORKER_RESOURCE_PROVIDER_H_
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