worker_service.h revision 7dbb3d5cf0c15f500944d211057644d6a2f37371
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 CONTENT_PUBLIC_BROWSER_WORKER_SERVICE_H_ 6#define CONTENT_PUBLIC_BROWSER_WORKER_SERVICE_H_ 7 8#include <vector> 9 10#include "base/process.h" 11#include "content/common/content_export.h" 12#include "url/gurl.h" 13 14namespace content { 15 16class WorkerServiceObserver; 17 18// A singleton for managing HTML5 shared web workers. These are run in a 19// separate process, since multiple renderer processes can be talking to a 20// single shared worker. All the methods below can only be called on the IO 21// thread. 22class WorkerService { 23 public: 24 virtual ~WorkerService() {} 25 26 // Returns the WorkerService singleton. 27 CONTENT_EXPORT static WorkerService* GetInstance(); 28 29 // Terminates the given worker. Returns true if the process was found. 30 virtual bool TerminateWorker(int process_id, int route_id) = 0; 31 32 struct WorkerInfo { 33 GURL url; 34 string16 name; 35 int process_id; 36 int route_id; 37 base::ProcessHandle handle; 38 }; 39 40 // Return information about all the currently running workers. 41 virtual std::vector<WorkerInfo> GetWorkers() = 0; 42 43 virtual void AddObserver(WorkerServiceObserver* observer) = 0; 44 virtual void RemoveObserver(WorkerServiceObserver* observer) = 0; 45}; 46 47} // namespace content 48 49#endif // CONTENT_PUBLIC_BROWSER_PLUGIN_SERVICE_H_ 50