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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/context.h" | |
| 6 | |
| 7 #include <vector> | |
| 8 | |
| 9 #include "base/bind.h" | |
| 10 #include "base/command_line.h" | |
| 11 #include "base/files/file_path.h" | |
| 12 #include "base/lazy_instance.h" | |
| 13 #include "base/macros.h" | |
| 14 #include "base/memory/scoped_ptr.h" | |
| 15 #include "base/memory/scoped_vector.h" | |
| 16 #include "base/strings/string_split.h" | |
| 17 #include "build/build_config.h" | |
| 18 #include "mojo/application_manager/application_loader.h" | |
| 19 #include "mojo/application_manager/application_manager.h" | |
| 20 #include "mojo/application_manager/background_shell_application_loader.h" | |
| 21 #include "mojo/common/tracing_impl.h" | |
| 22 #include "mojo/edk/embedder/embedder.h" | |
| 23 #include "mojo/edk/embedder/simple_platform_support.h" | |
| 24 #include "mojo/public/cpp/application/application_connection.h" | |
| 25 #include "mojo/public/cpp/application/application_delegate.h" | |
| 26 #include "mojo/public/cpp/application/application_impl.h" | |
| 27 #include "mojo/shell/dynamic_application_loader.h" | |
| 28 #include "mojo/shell/external_application_listener.h" | |
| 29 #include "mojo/shell/in_process_dynamic_service_runner.h" | |
| 30 #include "mojo/shell/out_of_process_dynamic_service_runner.h" | |
| 31 #include "mojo/shell/switches.h" | |
| 32 #include "mojo/shell/ui_application_loader_android.h" | |
| 33 #include "mojo/spy/spy.h" | |
| 34 #include "services/tracing/tracing.mojom.h" | |
| 35 #include "url/gurl.h" | |
| 36 | |
| 37 #if defined(OS_ANDROID) | |
| 38 #include "mojo/shell/android/android_handler_loader.h" | |
| 39 #include "mojo/shell/network_application_loader.h" | |
| 40 #include "services/gles2/gpu_impl.h" | |
| 41 #include "services/native_viewport/native_viewport_impl.h" | |
| 42 #endif // defined(OS_ANDROID) | |
| 43 | |
| 44 namespace mojo { | |
| 45 namespace shell { | |
| 46 namespace { | |
| 47 | |
| 48 // These mojo: URLs are loaded directly from the local filesystem. They | |
| 49 // correspond to shared libraries bundled alongside the mojo_shell. | |
| 50 const char* kLocalMojoURLs[] = { | |
| 51 "mojo:network_service", | |
| 52 }; | |
| 53 | |
| 54 // Used to ensure we only init once. | |
| 55 class Setup { | |
| 56 public: | |
| 57 Setup() { | |
| 58 embedder::Init(scoped_ptr<mojo::embedder::PlatformSupport>( | |
| 59 new mojo::embedder::SimplePlatformSupport())); | |
| 60 } | |
| 61 | |
| 62 ~Setup() { | |
| 63 } | |
| 64 | |
| 65 private: | |
| 66 DISALLOW_COPY_AND_ASSIGN(Setup); | |
| 67 }; | |
| 68 | |
| 69 static base::LazyInstance<Setup>::Leaky setup = LAZY_INSTANCE_INITIALIZER; | |
| 70 | |
| 71 void InitContentHandlers(DynamicApplicationLoader* loader, | |
| 72 base::CommandLine* command_line) { | |
| 73 // Default content handlers. | |
| 74 loader->RegisterContentHandler("application/pdf", GURL("mojo:pdf_viewer")); | |
| 75 loader->RegisterContentHandler("image/png", GURL("mojo:png_viewer")); | |
| 76 loader->RegisterContentHandler("text/html", GURL("mojo:html_viewer")); | |
| 77 | |
| 78 // Command-line-specified content handlers. | |
| 79 std::string handlers_spec = command_line->GetSwitchValueASCII( | |
| 80 switches::kContentHandlers); | |
| 81 if (handlers_spec.empty()) | |
| 82 return; | |
| 83 | |
| 84 std::vector<std::string> parts; | |
| 85 base::SplitString(handlers_spec, ',', &parts); | |
| 86 if (parts.size() % 2 != 0) { | |
| 87 LOG(ERROR) << "Invalid value for switch " << switches::kContentHandlers | |
| 88 << ": must be a comma-separated list of mimetype/url pairs."; | |
| 89 return; | |
| 90 } | |
| 91 | |
| 92 for (size_t i = 0; i < parts.size(); i += 2) { | |
| 93 GURL url(parts[i + 1]); | |
| 94 if (!url.is_valid()) { | |
| 95 LOG(ERROR) << "Invalid value for switch " << switches::kContentHandlers | |
| 96 << ": '" << parts[i + 1] << "' is not a valid URL."; | |
| 97 return; | |
| 98 } | |
| 99 loader->RegisterContentHandler(parts[i], url); | |
| 100 } | |
| 101 } | |
| 102 | |
| 103 class EmptyServiceProvider : public InterfaceImpl<ServiceProvider> { | |
| 104 private: | |
| 105 void ConnectToService(const mojo::String& service_name, | |
| 106 ScopedMessagePipeHandle client_handle) override {} | |
| 107 }; | |
| 108 | |
| 109 bool ConfigureURLMappings(const std::string& mappings, | |
| 110 mojo::shell::MojoURLResolver* resolver) { | |
| 111 base::StringPairs pairs; | |
| 112 if (!base::SplitStringIntoKeyValuePairs(mappings, '=', ',', &pairs)) | |
| 113 return false; | |
| 114 using StringPair = std::pair<std::string, std::string>; | |
| 115 for (const StringPair& pair : pairs) { | |
| 116 const GURL from(pair.first); | |
| 117 const GURL to(pair.second); | |
| 118 if (!from.is_valid() || !to.is_valid()) | |
| 119 return false; | |
| 120 resolver->AddCustomMapping(from, to); | |
| 121 } | |
| 122 return true; | |
| 123 } | |
| 124 | |
| 125 } // namespace | |
| 126 | |
| 127 #if defined(OS_ANDROID) | |
| 128 class Context::NativeViewportApplicationLoader | |
| 129 : public ApplicationLoader, | |
| 130 public ApplicationDelegate, | |
| 131 public InterfaceFactory<NativeViewport>, | |
| 132 public InterfaceFactory<Gpu> { | |
| 133 public: | |
| 134 NativeViewportApplicationLoader() : gpu_state_(new GpuImpl::State) {} | |
| 135 virtual ~NativeViewportApplicationLoader() {} | |
| 136 | |
| 137 private: | |
| 138 // ApplicationLoader implementation. | |
| 139 virtual void Load(ApplicationManager* manager, | |
| 140 const GURL& url, | |
| 141 ScopedMessagePipeHandle shell_handle, | |
| 142 LoadCallback callback) override { | |
| 143 DCHECK(shell_handle.is_valid()); | |
| 144 app_.reset(new ApplicationImpl(this, shell_handle.Pass())); | |
| 145 } | |
| 146 | |
| 147 virtual void OnApplicationError(ApplicationManager* manager, | |
| 148 const GURL& url) override {} | |
| 149 | |
| 150 // ApplicationDelegate implementation. | |
| 151 virtual bool ConfigureIncomingConnection( | |
| 152 mojo::ApplicationConnection* connection) override { | |
| 153 connection->AddService<NativeViewport>(this); | |
| 154 connection->AddService<Gpu>(this); | |
| 155 return true; | |
| 156 } | |
| 157 | |
| 158 // InterfaceFactory<NativeViewport> implementation. | |
| 159 virtual void Create(ApplicationConnection* connection, | |
| 160 InterfaceRequest<NativeViewport> request) override { | |
| 161 BindToRequest(new NativeViewportImpl(app_.get(), false), &request); | |
| 162 } | |
| 163 | |
| 164 // InterfaceFactory<Gpu> implementation. | |
| 165 virtual void Create(ApplicationConnection* connection, | |
| 166 InterfaceRequest<Gpu> request) override { | |
| 167 new GpuImpl(request.Pass(), gpu_state_); | |
| 168 } | |
| 169 | |
| 170 scoped_refptr<GpuImpl::State> gpu_state_; | |
| 171 scoped_ptr<ApplicationImpl> app_; | |
| 172 DISALLOW_COPY_AND_ASSIGN(NativeViewportApplicationLoader); | |
| 173 }; | |
| 174 #endif | |
| 175 | |
| 176 Context::Context() : application_manager_(this) { | |
| 177 DCHECK(!base::MessageLoop::current()); | |
| 178 } | |
| 179 | |
| 180 Context::~Context() { | |
| 181 DCHECK(!base::MessageLoop::current()); | |
| 182 } | |
| 183 | |
| 184 void Context::EnsureEmbedderIsInitialized() { | |
| 185 setup.Get(); | |
| 186 } | |
| 187 | |
| 188 bool Context::Init() { | |
| 189 EnsureEmbedderIsInitialized(); | |
| 190 task_runners_.reset( | |
| 191 new TaskRunners(base::MessageLoop::current()->message_loop_proxy())); | |
| 192 | |
| 193 for (size_t i = 0; i < arraysize(kLocalMojoURLs); ++i) | |
| 194 mojo_url_resolver_.AddLocalFileMapping(GURL(kLocalMojoURLs[i])); | |
| 195 | |
| 196 base::CommandLine* command_line = base::CommandLine::ForCurrentProcess(); | |
| 197 | |
| 198 if (command_line->HasSwitch(switches::kEnableExternalApplications)) { | |
| 199 listener_ = ExternalApplicationListener::Create( | |
| 200 task_runners_->shell_runner(), task_runners_->io_runner()); | |
| 201 | |
| 202 base::FilePath socket_path = | |
| 203 command_line->GetSwitchValuePath(switches::kEnableExternalApplications); | |
| 204 if (socket_path.empty()) | |
| 205 socket_path = ExternalApplicationListener::ConstructDefaultSocketPath(); | |
| 206 | |
| 207 listener_->ListenInBackground( | |
| 208 socket_path, | |
| 209 base::Bind(&ApplicationManager::RegisterExternalApplication, | |
| 210 base::Unretained(&application_manager_))); | |
| 211 } | |
| 212 if (command_line->HasSwitch(switches::kOrigin)) { | |
| 213 mojo_url_resolver()->SetBaseURL( | |
| 214 GURL(command_line->GetSwitchValueASCII(switches::kOrigin))); | |
| 215 } | |
| 216 if (command_line->HasSwitch(switches::kURLMappings) && | |
| 217 !ConfigureURLMappings( | |
| 218 command_line->GetSwitchValueASCII(switches::kURLMappings), | |
| 219 mojo_url_resolver())) { | |
| 220 return false; | |
| 221 } | |
| 222 | |
| 223 scoped_ptr<DynamicServiceRunnerFactory> runner_factory; | |
| 224 if (command_line->HasSwitch(switches::kEnableMultiprocess)) | |
| 225 runner_factory.reset(new OutOfProcessDynamicServiceRunnerFactory()); | |
| 226 else | |
| 227 runner_factory.reset(new InProcessDynamicServiceRunnerFactory()); | |
| 228 | |
| 229 DynamicApplicationLoader* dynamic_application_loader = | |
| 230 new DynamicApplicationLoader(this, runner_factory.Pass()); | |
| 231 InitContentHandlers(dynamic_application_loader, command_line); | |
| 232 application_manager_.set_default_loader( | |
| 233 scoped_ptr<ApplicationLoader>(dynamic_application_loader)); | |
| 234 | |
| 235 // The native viewport service synchronously waits for certain messages. If we | |
| 236 // don't run it on its own thread we can easily deadlock. Long term native | |
| 237 // viewport should run its own process so that this isn't an issue. | |
| 238 #if defined(OS_ANDROID) | |
| 239 application_manager_.SetLoaderForURL( | |
| 240 scoped_ptr<ApplicationLoader>(new UIApplicationLoader( | |
| 241 scoped_ptr<ApplicationLoader>(new NativeViewportApplicationLoader()), | |
| 242 this)), | |
| 243 GURL("mojo:native_viewport_service")); | |
| 244 #endif | |
| 245 | |
| 246 if (command_line->HasSwitch(switches::kSpy)) { | |
| 247 spy_.reset( | |
| 248 new mojo::Spy(&application_manager_, | |
| 249 command_line->GetSwitchValueASCII(switches::kSpy))); | |
| 250 // TODO(cpu): the spy can snoop, but can't tell anybody until | |
| 251 // the Spy::WebSocketDelegate is implemented. In the original repo this | |
| 252 // was implemented by src\mojo\spy\websocket_server.h and .cc. | |
| 253 } | |
| 254 | |
| 255 #if defined(OS_ANDROID) | |
| 256 // On android, the network service is bundled with the shell because the | |
| 257 // network stack depends on the android runtime. | |
| 258 { | |
| 259 scoped_ptr<BackgroundShellApplicationLoader> loader( | |
| 260 new BackgroundShellApplicationLoader( | |
| 261 scoped_ptr<ApplicationLoader>(new NetworkApplicationLoader()), | |
| 262 "network_service", | |
| 263 base::MessageLoop::TYPE_IO)); | |
| 264 application_manager_.SetLoaderForURL(loader.Pass(), | |
| 265 GURL("mojo:network_service")); | |
| 266 } | |
| 267 { | |
| 268 scoped_ptr<BackgroundShellApplicationLoader> loader( | |
| 269 new BackgroundShellApplicationLoader( | |
| 270 scoped_ptr<ApplicationLoader>(new AndroidHandlerLoader()), | |
| 271 "android_handler", base::MessageLoop::TYPE_DEFAULT)); | |
| 272 application_manager_.SetLoaderForURL(loader.Pass(), | |
| 273 GURL("mojo:android_handler")); | |
| 274 } | |
| 275 #endif | |
| 276 | |
| 277 tracing::TraceDataCollectorPtr trace_data_collector_ptr; | |
| 278 application_manager_.ConnectToService(GURL("mojo:tracing"), | |
| 279 &trace_data_collector_ptr); | |
| 280 TracingImpl::Create(trace_data_collector_ptr.Pass()); | |
| 281 | |
| 282 if (listener_) | |
| 283 listener_->WaitForListening(); | |
| 284 | |
| 285 return true; | |
| 286 } | |
| 287 | |
| 288 void Context::OnApplicationError(const GURL& url) { | |
| 289 if (app_urls_.find(url) != app_urls_.end()) { | |
| 290 app_urls_.erase(url); | |
| 291 if (app_urls_.empty() && base::MessageLoop::current()->is_running()) | |
| 292 base::MessageLoop::current()->Quit(); | |
| 293 } | |
| 294 } | |
| 295 | |
| 296 GURL Context::ResolveURL(const GURL& url) { | |
| 297 return mojo_url_resolver_.Resolve(url); | |
| 298 } | |
| 299 | |
| 300 void Context::Run(const GURL& url) { | |
| 301 EmptyServiceProvider* sp = new EmptyServiceProvider; | |
| 302 ServiceProviderPtr spp; | |
| 303 BindToProxy(sp, &spp); | |
| 304 | |
| 305 app_urls_.insert(url); | |
| 306 application_manager_.ConnectToApplication(url, GURL(), spp.Pass()); | |
| 307 } | |
| 308 | |
| 309 ScopedMessagePipeHandle Context::ConnectToServiceByName( | |
| 310 const GURL& application_url, | |
| 311 const std::string& service_name) { | |
| 312 app_urls_.insert(application_url); | |
| 313 return application_manager_.ConnectToServiceByName( | |
| 314 application_url, service_name).Pass(); | |
| 315 } | |
| 316 | |
| 317 } // namespace shell | |
| 318 } // namespace mojo | |
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Chromium Code Reviews
Issue 775343004:
Move //mojo/shell to //shell (Closed)
Base URL: git@github.com:domokit/mojo.git@master