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1 // Copyright (c) 2011 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 CHROME_BROWSER_TASK_MANAGER_WORKER_RESOURCE_PROVIDER_H_ | |
6 #define CHROME_BROWSER_TASK_MANAGER_WORKER_RESOURCE_PROVIDER_H_ | |
7 | |
8 #include <map> | |
9 #include <vector> | |
10 | |
11 #include "base/basictypes.h" | |
12 #include "base/memory/singleton.h" | |
13 #include "chrome/browser/task_manager/resource_provider.h" | |
14 #include "content/public/browser/browser_child_process_observer.h" | |
15 #include "content/public/browser/worker_service_observer.h" | |
16 | |
17 class TaskManager; | |
18 | |
19 namespace task_manager { | |
20 | |
21 class SharedWorkerResource; | |
22 | |
23 class WorkerResourceProvider : public ResourceProvider, | |
24 public content::BrowserChildProcessObserver, | |
25 private content::WorkerServiceObserver { | |
26 public: | |
27 explicit WorkerResourceProvider(TaskManager* task_manager); | |
28 | |
29 private: | |
30 class WorkerResourceListHolder; | |
31 typedef std::vector<SharedWorkerResource*> WorkerResourceList; | |
32 typedef scoped_ptr<SharedWorkerResource> WorkerResourceHolder; | |
33 typedef std::map<int, WorkerResourceList> ProcessIdToWorkerResources; | |
34 | |
35 virtual ~WorkerResourceProvider(); | |
36 | |
37 // ResourceProvider implementation. | |
38 virtual Resource* GetResource(int origin_pid, | |
39 int child_id, | |
40 int route_id) OVERRIDE; | |
41 virtual void StartUpdating() OVERRIDE; | |
42 virtual void StopUpdating() OVERRIDE; | |
43 | |
44 // content::BrowserChildProcessObserver implementation. | |
45 virtual void BrowserChildProcessHostConnected( | |
46 const content::ChildProcessData& data) OVERRIDE; | |
47 virtual void BrowserChildProcessHostDisconnected( | |
48 const content::ChildProcessData& data) OVERRIDE; | |
49 | |
50 // content::WorkerServiceObserver implementation. | |
51 virtual void WorkerCreated(const GURL& url, | |
52 const base::string16& name, | |
53 int process_id, | |
54 int route_id) OVERRIDE; | |
55 virtual void WorkerDestroyed(int process_id, int route_id) OVERRIDE; | |
56 | |
57 void NotifyWorkerCreated(WorkerResourceHolder* resource_holder); | |
58 void NotifyWorkerDestroyed(int process_id, int routing_id); | |
59 | |
60 void StartObservingWorkers(); | |
61 void StopObservingWorkers(); | |
62 | |
63 void AddWorkerResourceList(WorkerResourceListHolder* resource_list_holder); | |
64 void AddResource(SharedWorkerResource* resource); | |
65 void DeleteAllResources(); | |
66 | |
67 bool updating_; | |
68 TaskManager* task_manager_; | |
69 WorkerResourceList resources_; | |
70 // Map from worker process id to the list of its workers. This list contains | |
71 // entries for worker processes which has not launched yet but for which we | |
72 // have already received WorkerCreated event. We don't add such workers to | |
73 // the task manager until the process is launched. | |
74 ProcessIdToWorkerResources launching_workers_; | |
75 | |
76 DISALLOW_COPY_AND_ASSIGN(WorkerResourceProvider); | |
77 }; | |
78 | |
79 } // namespace task_manager | |
80 | |
81 #endif // CHROME_BROWSER_TASK_MANAGER_WORKER_RESOURCE_PROVIDER_H_ | |
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