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/process.h" 11 #include "content/common/content_export.h" 12 #include "url/gurl.h" 13 14 namespace content { 15 16 class 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. 22 class WorkerService { 23 public: ~WorkerService()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 base::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