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_BROWSER_DEVTOOLS_WORKER_DEVTOOLS_MANAGER_H_ 6 #define CONTENT_BROWSER_DEVTOOLS_WORKER_DEVTOOLS_MANAGER_H_ 7 8 #include <list> 9 #include <map> 10 #include <string> 11 12 #include "base/basictypes.h" 13 #include "base/memory/singleton.h" 14 #include "content/browser/worker_host/worker_process_host.h" 15 #include "content/common/content_export.h" 16 17 namespace content { 18 19 class DevToolsAgentHost; 20 21 // All methods are supposed to be called on the IO thread. 22 class WorkerDevToolsManager { 23 public: 24 typedef std::pair<int, int> WorkerId; 25 class WorkerDevToolsAgentHost; 26 27 // Returns the WorkerDevToolsManager singleton. 28 static WorkerDevToolsManager* GetInstance(); 29 30 // Called on the UI thread. 31 static DevToolsAgentHost* GetDevToolsAgentHostForWorker( 32 int worker_process_id, 33 int worker_route_id); 34 35 void ForwardToDevToolsClient(int worker_process_id, 36 int worker_route_id, 37 const std::string& message); 38 void SaveAgentRuntimeState(int worker_process_id, 39 int worker_route_id, 40 const std::string& state); 41 42 // Called on the IO thread. 43 void WorkerCreated( 44 WorkerProcessHost* process, 45 const WorkerProcessHost::WorkerInstance& instance); 46 void WorkerDestroyed(WorkerProcessHost* process, int worker_route_id); 47 void WorkerContextStarted(WorkerProcessHost* process, int worker_route_id); 48 49 private: 50 friend struct DefaultSingletonTraits<WorkerDevToolsManager>; 51 class DetachedClientHosts; 52 struct InspectedWorker; 53 typedef std::list<InspectedWorker> InspectedWorkersList; 54 55 WorkerDevToolsManager(); 56 virtual ~WorkerDevToolsManager(); 57 58 void RemoveInspectedWorkerData(const WorkerId& id); 59 InspectedWorkersList::iterator FindInspectedWorker(int host_id, int route_id); 60 61 void ConnectDevToolsAgentHostToWorker(int worker_process_id, 62 int worker_route_id); 63 void ForwardToWorkerDevToolsAgent(int worker_process_host_id, 64 int worker_route_id, 65 const IPC::Message& message); 66 static void ForwardToDevToolsClientOnUIThread( 67 int worker_process_id, 68 int worker_route_id, 69 const std::string& message); 70 static void SaveAgentRuntimeStateOnUIThread( 71 int worker_process_id, 72 int worker_route_id, 73 const std::string& state); 74 static void NotifyConnectionFailedOnIOThread(int worker_process_id, 75 int worker_route_id); 76 static void NotifyConnectionFailedOnUIThread(int worker_process_id, 77 int worker_route_id); 78 static void SendResumeToWorker(const WorkerId& id); 79 80 InspectedWorkersList inspected_workers_; 81 82 struct TerminatedInspectedWorker; 83 typedef std::list<TerminatedInspectedWorker> TerminatedInspectedWorkers; 84 // List of terminated workers for which there may be a devtools client on 85 // the UI thread. Worker entry is added into this list when inspected worker 86 // is terminated and will be removed in one of two cases: 87 // - shared worker with the same URL and name is started(in wich case we will 88 // try to reattach existing DevTools client to the new worker). 89 // - DevTools client which was inspecting terminated worker is closed on the 90 // UI thread and and WorkerDevToolsManager is notified about that on the IO 91 // thread. 92 TerminatedInspectedWorkers terminated_workers_; 93 94 typedef std::map<WorkerId, WorkerId> PausedWorkers; 95 // Map from old to new worker id for the inspected workers that have been 96 // terminated and started again in paused state. Worker data will be removed 97 // from this list in one of two cases: 98 // - DevTools client is closed on the UI thread, WorkerDevToolsManager was 99 // notified about that on the IO thread and sent "resume" message to the 100 // worker. 101 // - Existing DevTools client was reattached to the new worker. 102 PausedWorkers paused_workers_; 103 104 DISALLOW_COPY_AND_ASSIGN(WorkerDevToolsManager); 105 }; 106 107 } // namespace content 108 109 #endif // CONTENT_BROWSER_DEVTOOLS_WORKER_DEVTOOLS_MANAGER_H_ 110