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| 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 "shell/in_process_dynamic_service_runner.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/callback_helpers.h" | |
| 9 #include "base/location.h" | |
| 10 #include "base/message_loop/message_loop_proxy.h" | |
| 11 #include "base/threading/platform_thread.h" | |
| 12 | |
| 13 namespace mojo { | |
| 14 namespace shell { | |
| 15 | |
| 16 InProcessDynamicServiceRunner::InProcessDynamicServiceRunner(Context* context) | |
| 17 : cleanup_behavior_(NativeRunner::DontDeleteAppPath), | |
| 18 app_library_(nullptr) { | |
| 19 } | |
| 20 | |
| 21 InProcessDynamicServiceRunner::~InProcessDynamicServiceRunner() { | |
| 22 // It is important to let the thread exit before unloading the DSO (when | |
| 23 // app_library_ is destructed), because the library may have registered | |
| 24 // thread-local data and destructors to run on thread termination. | |
| 25 if (thread_) { | |
| 26 DCHECK(thread_->HasBeenStarted()); | |
| 27 DCHECK(!thread_->HasBeenJoined()); | |
| 28 thread_->Join(); | |
| 29 } | |
| 30 } | |
| 31 | |
| 32 void InProcessDynamicServiceRunner::Start( | |
| 33 const base::FilePath& app_path, | |
| 34 mojo::NativeRunner::CleanupBehavior cleanup_behavior, | |
| 35 InterfaceRequest<Application> application_request, | |
| 36 const base::Closure& app_completed_callback) { | |
| 37 app_path_ = app_path; | |
| 38 cleanup_behavior_ = cleanup_behavior; | |
| 39 | |
| 40 DCHECK(!application_request_.is_pending()); | |
| 41 application_request_ = application_request.Pass(); | |
| 42 | |
| 43 DCHECK(app_completed_callback_runner_.is_null()); | |
| 44 app_completed_callback_runner_ = | |
| 45 base::Bind(&base::TaskRunner::PostTask, base::MessageLoopProxy::current(), | |
| 46 FROM_HERE, app_completed_callback); | |
| 47 | |
| 48 DCHECK(!thread_); | |
| 49 thread_.reset(new base::DelegateSimpleThread(this, "app_thread")); | |
| 50 thread_->Start(); | |
| 51 } | |
| 52 | |
| 53 void InProcessDynamicServiceRunner::Run() { | |
| 54 DVLOG(2) << "Loading/running Mojo app in process from library: " | |
| 55 << app_path_.value() | |
| 56 << " thread id=" << base::PlatformThread::CurrentId(); | |
| 57 | |
| 58 app_library_.Reset(LoadAndRunNativeApplication(app_path_, cleanup_behavior_, | |
| 59 application_request_.Pass())); | |
| 60 app_completed_callback_runner_.Run(); | |
| 61 app_completed_callback_runner_.Reset(); | |
| 62 } | |
| 63 | |
| 64 scoped_ptr<NativeRunner> InProcessDynamicServiceRunnerFactory::Create( | |
| 65 const Options& options) { | |
| 66 return make_scoped_ptr(new InProcessDynamicServiceRunner(context_)); | |
| 67 } | |
| 68 | |
| 69 } // namespace shell | |
| 70 } // namespace mojo | |
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