| OLD | NEW |
|---|
| (Empty) |
| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "mojo/service_manager/background_service_loader.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "mojo/service_manager/service_manager.h" | |
| 9 | |
| 10 namespace mojo { | |
| 11 | |
| 12 class BackgroundServiceLoader::BackgroundLoader { | |
| 13 public: | |
| 14 explicit BackgroundLoader(ServiceLoader* loader) : loader_(loader) {} | |
| 15 ~BackgroundLoader() {} | |
| 16 | |
| 17 void LoadService(ServiceManager* manager, | |
| 18 const GURL& url, | |
| 19 ScopedMessagePipeHandle shell_handle) { | |
| 20 loader_->LoadService(manager, url, shell_handle.Pass()); | |
| 21 } | |
| 22 | |
| 23 void OnServiceError(ServiceManager* manager, const GURL& url) { | |
| 24 loader_->OnServiceError(manager, url); | |
| 25 } | |
| 26 | |
| 27 private: | |
| 28 base::MessageLoop::Type message_loop_type_; | |
| 29 ServiceLoader* loader_; // Owned by BackgroundServiceLoader | |
| 30 | |
| 31 DISALLOW_COPY_AND_ASSIGN(BackgroundLoader); | |
| 32 }; | |
| 33 | |
| 34 BackgroundServiceLoader::BackgroundServiceLoader( | |
| 35 scoped_ptr<ServiceLoader> real_loader, | |
| 36 const char* thread_name, | |
| 37 base::MessageLoop::Type message_loop_type) | |
| 38 : loader_(real_loader.Pass()), | |
| 39 thread_(thread_name), | |
| 40 message_loop_type_(message_loop_type), | |
| 41 background_loader_(NULL) { | |
| 42 } | |
| 43 | |
| 44 BackgroundServiceLoader::~BackgroundServiceLoader() { | |
| 45 if (thread_.IsRunning()) { | |
| 46 thread_.message_loop()->PostTask( | |
| 47 FROM_HERE, | |
| 48 base::Bind(&BackgroundServiceLoader::ShutdownOnBackgroundThread, | |
| 49 base::Unretained(this))); | |
| 50 } | |
| 51 thread_.Stop(); | |
| 52 } | |
| 53 | |
| 54 void BackgroundServiceLoader::LoadService( | |
| 55 ServiceManager* manager, | |
| 56 const GURL& url, | |
| 57 ScopedMessagePipeHandle shell_handle) { | |
| 58 const int kDefaultStackSize = 0; | |
| 59 if (!thread_.IsRunning()) { | |
| 60 thread_.StartWithOptions( | |
| 61 base::Thread::Options(message_loop_type_, kDefaultStackSize)); | |
| 62 } | |
| 63 thread_.message_loop()->PostTask( | |
| 64 FROM_HERE, | |
| 65 base::Bind(&BackgroundServiceLoader::LoadServiceOnBackgroundThread, | |
| 66 base::Unretained(this), manager, url, | |
| 67 base::Owned( | |
| 68 new ScopedMessagePipeHandle(shell_handle.Pass())))); | |
| 69 } | |
| 70 | |
| 71 void BackgroundServiceLoader::OnServiceError(ServiceManager* manager, | |
| 72 const GURL& url) { | |
| 73 if (!thread_.IsRunning()) | |
| 74 thread_.Start(); | |
| 75 thread_.message_loop()->PostTask( | |
| 76 FROM_HERE, | |
| 77 base::Bind(&BackgroundServiceLoader::OnServiceErrorOnBackgroundThread, | |
| 78 base::Unretained(this), manager, url)); | |
| 79 } | |
| 80 | |
| 81 void BackgroundServiceLoader::LoadServiceOnBackgroundThread( | |
| 82 ServiceManager* manager, | |
| 83 const GURL& url, | |
| 84 ScopedMessagePipeHandle* shell_handle) { | |
| 85 if (!background_loader_) | |
| 86 background_loader_ = new BackgroundLoader(loader_.get()); | |
| 87 background_loader_->LoadService( | |
| 88 manager, url, shell_handle->Pass()); | |
| 89 } | |
| 90 | |
| 91 void BackgroundServiceLoader::OnServiceErrorOnBackgroundThread( | |
| 92 ServiceManager* manager, | |
| 93 const GURL& url) { | |
| 94 if (!background_loader_) | |
| 95 background_loader_ = new BackgroundLoader(loader_.get()); | |
| 96 background_loader_->OnServiceError(manager, url); | |
| 97 } | |
| 98 | |
| 99 void BackgroundServiceLoader::ShutdownOnBackgroundThread() { | |
| 100 delete background_loader_; | |
| 101 // Destroy |loader_| on the thread it's actually used on. | |
| 102 loader_.reset(); | |
| 103 } | |
| 104 | |
| 105 } // namespace mojo | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 437493002:
mojo: allow BackgroundServiceLoader-loaded apps to Quit themselves. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src