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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROCESS_MANAGER_H_ | 5 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROCESS_MANAGER_H_ |
6 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROCESS_MANAGER_H_ | 6 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROCESS_MANAGER_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
12 #include "base/memory/weak_ptr.h" | 12 #include "base/memory/weak_ptr.h" |
13 #include "content/common/service_worker/service_worker_status_code.h" | 13 #include "content/common/service_worker/service_worker_status_code.h" |
14 | 14 |
15 class GURL; | 15 class GURL; |
16 | 16 |
| 17 namespace base { |
| 18 class FilePath; |
| 19 } |
| 20 |
17 namespace content { | 21 namespace content { |
18 | 22 |
19 class BrowserContext; | 23 class BrowserContext; |
20 class ServiceWorkerContextWrapper; | 24 class ServiceWorkerContextWrapper; |
21 | 25 |
22 // Interacts with the UI thread to keep RenderProcessHosts alive while the | 26 // Interacts with the UI thread to keep RenderProcessHosts alive while the |
23 // ServiceWorker system is using them. Each instance of | 27 // ServiceWorker system is using them. Each instance of |
24 // ServiceWorkerProcessManager is destroyed on the UI thread shortly after its | 28 // ServiceWorkerProcessManager is destroyed on the UI thread shortly after its |
25 // ServiceWorkerContextCore is destroyed on the IO thread. | 29 // ServiceWorkerContextCore is destroyed on the IO thread. |
26 class CONTENT_EXPORT ServiceWorkerProcessManager { | 30 class CONTENT_EXPORT ServiceWorkerProcessManager { |
27 public: | 31 public: |
28 // |*this| must be owned by |context_wrapper|->context(). | 32 // |*this| must be owned by |context_wrapper|->context(). |
29 explicit ServiceWorkerProcessManager( | 33 explicit ServiceWorkerProcessManager( |
30 ServiceWorkerContextWrapper* context_wrapper); | 34 ServiceWorkerContextWrapper* context_wrapper); |
31 | 35 |
32 ~ServiceWorkerProcessManager(); | 36 ~ServiceWorkerProcessManager(); |
33 | 37 |
34 // Returns a reference to a running process suitable for starting the Service | 38 // Returns a reference to a running process suitable for starting the Service |
35 // Worker at |script_url|. Processes in |process_ids| will be checked in order | 39 // Worker at |script_url|. Processes in |process_ids| will be checked in order |
36 // for existence, and if none exist, then a new process will be created. Posts | 40 // for existence, and if none exist, then a new process will be created. Posts |
37 // |callback| to the IO thread to indicate whether creation succeeded and the | 41 // |callback| to the IO thread to indicate whether creation succeeded and the |
38 // process ID that has a new reference. | 42 // process ID that has a new reference. |
39 // | 43 // |
40 // Allocation can fail with SERVICE_WORKER_ERROR_START_WORKER_FAILED if | 44 // Allocation can fail with SERVICE_WORKER_ERROR_START_WORKER_FAILED if |
41 // RenderProcessHost::Init fails. | 45 // RenderProcessHost::Init fails. |
42 void AllocateWorkerProcess( | 46 void AllocateWorkerProcess( |
43 const std::vector<int>& process_ids, | 47 const std::vector<int>& process_ids, |
| 48 const base::FilePath& path, |
| 49 const GURL& scope, |
44 const GURL& script_url, | 50 const GURL& script_url, |
45 const base::Callback<void(ServiceWorkerStatusCode, int process_id)>& | 51 const base::Callback<void(ServiceWorkerStatusCode, |
46 callback) const; | 52 int process_id, |
| 53 int worker_devtools_agent_route_id, |
| 54 bool pause_on_start)>& callback) const; |
47 | 55 |
48 // Drops a reference to a process that was running a Service Worker. This | 56 // Drops a reference to a process that was running a Service Worker. This |
49 // must match a call to AllocateWorkerProcess. | 57 // must match a call to AllocateWorkerProcess. |
50 void ReleaseWorkerProcess(int process_id); | 58 void ReleaseWorkerProcess(int process_id); |
51 | 59 |
52 // |increment_for_test| and |decrement_for_test| define how to look up a | 60 // |increment_for_test| and |decrement_for_test| define how to look up a |
53 // process by ID and increment or decrement its worker reference count. This | 61 // process by ID and increment or decrement its worker reference count. This |
54 // must be called before any reference to this object escapes to another | 62 // must be called before any reference to this object escapes to another |
55 // thread, and is considered part of construction. | 63 // thread, and is considered part of construction. |
56 void SetProcessRefcountOpsForTest( | 64 void SetProcessRefcountOpsForTest( |
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77 | 85 |
78 namespace base { | 86 namespace base { |
79 // Specialized to post the deletion to the UI thread. | 87 // Specialized to post the deletion to the UI thread. |
80 template <> | 88 template <> |
81 struct CONTENT_EXPORT DefaultDeleter<content::ServiceWorkerProcessManager> { | 89 struct CONTENT_EXPORT DefaultDeleter<content::ServiceWorkerProcessManager> { |
82 void operator()(content::ServiceWorkerProcessManager* ptr) const; | 90 void operator()(content::ServiceWorkerProcessManager* ptr) const; |
83 }; | 91 }; |
84 } // namespace base | 92 } // namespace base |
85 | 93 |
86 #endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROCESS_MANAGER_H_ | 94 #endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROCESS_MANAGER_H_ |
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