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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 MOJO_SERVICE_MANAGER_BACKGROUND_SERVICE_LOADER_H_ | 5 #ifndef MOJO_SERVICE_MANAGER_BACKGROUND_SERVICE_LOADER_H_ |
6 #define MOJO_SERVICE_MANAGER_BACKGROUND_SERVICE_LOADER_H_ | 6 #define MOJO_SERVICE_MANAGER_BACKGROUND_SERVICE_LOADER_H_ |
7 | 7 |
8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
9 #include "base/threading/thread.h" | 9 #include "base/threading/thread.h" |
10 #include "mojo/service_manager/service_loader.h" | 10 #include "mojo/service_manager/service_loader.h" |
11 | 11 |
12 namespace mojo { | 12 namespace mojo { |
13 | 13 |
14 class ServiceManager; | 14 class ServiceManager; |
15 | 15 |
16 // ServiceLoader implementation that creates a background thread and issues load | 16 // ServiceLoader implementation that creates a background thread and issues load |
17 // requests there. | 17 // requests there. |
18 class MOJO_SERVICE_MANAGER_EXPORT BackgroundServiceLoader | 18 class MOJO_SERVICE_MANAGER_EXPORT BackgroundServiceLoader |
19 : public ServiceLoader { | 19 : public ServiceLoader { |
20 public: | 20 public: |
21 BackgroundServiceLoader(scoped_ptr<ServiceLoader> real_loader, | 21 BackgroundServiceLoader(scoped_ptr<ServiceLoader> real_loader, |
22 const char* thread_name); | 22 const char* thread_name); |
23 virtual ~BackgroundServiceLoader(); | 23 virtual ~BackgroundServiceLoader(); |
24 | 24 |
25 // ServiceLoader overrides: | 25 // ServiceLoader overrides: |
26 virtual void LoadService(ServiceManager* manager, | 26 virtual void LoadService(ServiceManager* manager, |
27 const GURL& url, | 27 const GURL& url, |
28 ScopedShellHandle service_handle) OVERRIDE; | 28 ScopedMessagePipeHandle service_handle) OVERRIDE; |
29 virtual void OnServiceError(ServiceManager* manager, | 29 virtual void OnServiceError(ServiceManager* manager, |
30 const GURL& url) OVERRIDE; | 30 const GURL& url) OVERRIDE; |
31 | 31 |
32 private: | 32 private: |
33 class BackgroundLoader; | 33 class BackgroundLoader; |
34 | 34 |
35 // These functions are exected on the background thread. They call through | 35 // These functions are exected on the background thread. They call through |
36 // to |background_loader_| to do the actual loading. | 36 // to |background_loader_| to do the actual loading. |
37 // TODO: having this code take a |manager| is fragile (as ServiceManager isn't | 37 // TODO: having this code take a |manager| is fragile (as ServiceManager isn't |
38 // thread safe). | 38 // thread safe). |
39 void LoadServiceOnBackgroundThread(ServiceManager* manager, | 39 void LoadServiceOnBackgroundThread(ServiceManager* manager, |
40 const GURL& url, | 40 const GURL& url, |
41 ScopedShellHandle* shell_handle); | 41 ScopedMessagePipeHandle* shell_handle); |
42 void OnServiceErrorOnBackgroundThread(ServiceManager* manager, | 42 void OnServiceErrorOnBackgroundThread(ServiceManager* manager, |
43 const GURL& url); | 43 const GURL& url); |
44 void ShutdownOnBackgroundThread(); | 44 void ShutdownOnBackgroundThread(); |
45 | 45 |
46 scoped_ptr<ServiceLoader> loader_; | 46 scoped_ptr<ServiceLoader> loader_; |
47 base::Thread thread_; | 47 base::Thread thread_; |
48 | 48 |
49 // Lives on |thread_|. Trivial interface that calls through to |loader_|. | 49 // Lives on |thread_|. Trivial interface that calls through to |loader_|. |
50 BackgroundLoader* background_loader_; | 50 BackgroundLoader* background_loader_; |
51 | 51 |
52 DISALLOW_COPY_AND_ASSIGN(BackgroundServiceLoader); | 52 DISALLOW_COPY_AND_ASSIGN(BackgroundServiceLoader); |
53 }; | 53 }; |
54 | 54 |
55 } // namespace mojo | 55 } // namespace mojo |
56 | 56 |
57 #endif // MOJO_SERVICE_MANAGER_BACKGROUND_SERVICE_LOADER_H_ | 57 #endif // MOJO_SERVICE_MANAGER_BACKGROUND_SERVICE_LOADER_H_ |
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