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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_DEBUGGER_WORKER_DEVTOOLS_MANAGER_H_ | |
6 #define CONTENT_BROWSER_DEBUGGER_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/common/content_export.h" | |
15 #include "content/browser/worker_host/worker_process_host.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 // Returns the WorkerDevToolsManager singleton. | |
25 static WorkerDevToolsManager* GetInstance(); | |
26 | |
27 // Called on the UI thread. | |
28 static DevToolsAgentHost* GetDevToolsAgentHostForWorker( | |
29 int worker_process_id, | |
30 int worker_route_id); | |
31 | |
32 void ForwardToDevToolsClient(int worker_process_id, | |
33 int worker_route_id, | |
34 const std::string& message); | |
35 void SaveAgentRuntimeState(int worker_process_id, | |
36 int worker_route_id, | |
37 const std::string& state); | |
38 | |
39 // Called on the IO thread. | |
40 void WorkerCreated( | |
41 WorkerProcessHost* process, | |
42 const WorkerProcessHost::WorkerInstance& instance); | |
43 void WorkerDestroyed(WorkerProcessHost* process, int worker_route_id); | |
44 void WorkerContextStarted(WorkerProcessHost* process, int worker_route_id); | |
45 | |
46 private: | |
47 friend struct DefaultSingletonTraits<WorkerDevToolsManager>; | |
48 typedef std::pair<int, int> WorkerId; | |
49 class AgentHosts; | |
50 class DetachedClientHosts; | |
51 class WorkerDevToolsAgentHost; | |
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 RegisterDevToolsAgentHostForWorker(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 NotifyWorkerDestroyedOnIOThread(int worker_process_id, | |
75 int worker_route_id); | |
76 static void NotifyWorkerDestroyedOnUIThread(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_DEBUGGER_WORKER_DEVTOOLS_MANAGER_H_ | |
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