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| 1 // Copyright 2013 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/shell/app_container.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/callback_forward.h" | |
| 9 #include "base/callback_helpers.h" | |
| 10 #include "base/file_util.h" | |
| 11 #include "base/files/file_path.h" | |
| 12 #include "base/native_library.h" | |
| 13 #include "base/scoped_native_library.h" | |
| 14 #include "base/thread_task_runner_handle.h" | |
| 15 #include "base/threading/thread.h" | |
| 16 #include "mojo/public/system/core.h" | |
| 17 #include "mojo/services/native_viewport/native_viewport_impl.h" | |
| 18 #include "mojo/shell/context.h" | |
| 19 | |
| 20 typedef MojoResult (*MojoMainFunction)(MojoHandle pipe); | |
| 21 | |
| 22 namespace mojo { | |
| 23 namespace shell { | |
| 24 | |
| 25 AppContainer::AppContainer(Context* context) | |
| 26 : context_(context), | |
| 27 weak_factory_(this) { | |
| 28 } | |
| 29 | |
| 30 AppContainer::~AppContainer() { | |
| 31 } | |
| 32 | |
| 33 void AppContainer::Load(const GURL& app_url) { | |
| 34 request_ = context_->loader()->Load(app_url, this); | |
| 35 } | |
| 36 | |
| 37 void AppContainer::DidCompleteLoad(const GURL& app_url, | |
| 38 const base::FilePath& app_path) { | |
| 39 CreateMessagePipe(&shell_handle_, &app_handle_); | |
| 40 | |
| 41 native_viewport_.reset( | |
| 42 new services::NativeViewportImpl(context_, shell_handle_.Pass())); | |
| 43 | |
| 44 // Launch the app on its own thread. | |
| 45 // TODO(beng): Create a unique thread name. | |
| 46 app_path_ = app_path; | |
| 47 ack_closure_ = | |
| 48 base::Bind(&AppContainer::AppCompleted, weak_factory_.GetWeakPtr()); | |
| 49 thread_.reset(new base::DelegateSimpleThread(this, "app_thread")); | |
| 50 thread_->Start(); | |
| 51 } | |
| 52 | |
| 53 void AppContainer::Run() { | |
| 54 base::ScopedClosureRunner app_deleter( | |
| 55 base::Bind(base::IgnoreResult(&base::DeleteFile), app_path_, false)); | |
| 56 base::ScopedNativeLibrary app_library( | |
| 57 base::LoadNativeLibrary(app_path_, NULL)); | |
| 58 if (!app_library.is_valid()) { | |
| 59 LOG(ERROR) << "Failed to load library: " << app_path_.value().c_str(); | |
| 60 return; | |
| 61 } | |
| 62 | |
| 63 MojoMainFunction main_function = reinterpret_cast<MojoMainFunction>( | |
| 64 app_library.GetFunctionPointer("MojoMain")); | |
| 65 if (!main_function) { | |
| 66 LOG(ERROR) << "Entrypoint MojoMain not found."; | |
| 67 return; | |
| 68 } | |
| 69 | |
| 70 // |MojoMain()| takes ownership of the app handle. | |
| 71 MojoResult result = main_function(app_handle_.release().value()); | |
| 72 if (result < MOJO_RESULT_OK) { | |
| 73 LOG(ERROR) << "MojoMain returned an error: " << result; | |
| 74 return; | |
| 75 } | |
| 76 context_->task_runners()->ui_runner()->PostTask(FROM_HERE, ack_closure_); | |
| 77 } | |
| 78 | |
| 79 void AppContainer::AppCompleted() { | |
| 80 native_viewport_.reset(); | |
| 81 | |
| 82 thread_->Join(); | |
| 83 thread_.reset(); | |
| 84 } | |
| 85 | |
| 86 } // namespace shell | |
| 87 } // namespace mojo | |
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