Index: mojo/shell/android/background_application_loader.cc |
diff --git a/mojo/shell/android/background_application_loader.cc b/mojo/shell/android/background_application_loader.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..cdb175e00bc9f08dd30507bc27b81936c4f68a70 |
--- /dev/null |
+++ b/mojo/shell/android/background_application_loader.cc |
@@ -0,0 +1,73 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "mojo/shell/android/background_application_loader.h" |
+ |
+#include "base/bind.h" |
+#include "base/run_loop.h" |
+#include "mojo/shell/application_manager/application_manager.h" |
+ |
+namespace mojo { |
+namespace shell { |
+ |
+BackgroundApplicationLoader::BackgroundApplicationLoader( |
+ scoped_ptr<ApplicationLoader> real_loader, |
+ const std::string& thread_name, |
+ base::MessageLoop::Type message_loop_type) |
+ : loader_(real_loader.Pass()), |
+ message_loop_type_(message_loop_type), |
+ thread_name_(thread_name), |
+ message_loop_created_(true, false) { |
+} |
+ |
+BackgroundApplicationLoader::~BackgroundApplicationLoader() { |
+ if (thread_) |
+ thread_->Join(); |
+} |
+ |
+void BackgroundApplicationLoader::Load( |
+ const GURL& url, |
+ InterfaceRequest<Application> application_request) { |
+ DCHECK(application_request.is_pending()); |
+ if (!thread_) { |
+ // TODO(tim): It'd be nice if we could just have each Load call |
+ // result in a new thread like DynamicService{Loader, Runner}. But some |
+ // loaders are creating multiple ApplicationImpls (NetworkApplicationLoader) |
+ // sharing a delegate (etc). So we have to keep it single threaded, wait |
+ // for the thread to initialize, and post to the TaskRunner for subsequent |
+ // Load calls for now. |
+ thread_.reset(new base::DelegateSimpleThread(this, thread_name_)); |
+ thread_->Start(); |
+ message_loop_created_.Wait(); |
+ DCHECK(task_runner_.get()); |
+ } |
+ |
+ task_runner_->PostTask( |
+ FROM_HERE, |
+ base::Bind(&BackgroundApplicationLoader::LoadOnBackgroundThread, |
+ base::Unretained(this), url, |
+ base::Passed(&application_request))); |
+} |
+ |
+void BackgroundApplicationLoader::Run() { |
+ base::MessageLoop message_loop(message_loop_type_); |
+ base::RunLoop loop; |
+ task_runner_ = message_loop.task_runner(); |
+ quit_closure_ = loop.QuitClosure(); |
+ message_loop_created_.Signal(); |
+ loop.Run(); |
+ |
+ // Destroy |loader_| on the thread it's actually used on. |
+ loader_.reset(); |
+} |
+ |
+void BackgroundApplicationLoader::LoadOnBackgroundThread( |
+ const GURL& url, |
+ InterfaceRequest<Application> application_request) { |
+ DCHECK(task_runner_->RunsTasksOnCurrentThread()); |
+ loader_->Load(url, application_request.Pass()); |
+} |
+ |
+} // namespace shell |
+} // namespace mojo |