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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 "gpu/command_buffer/service/mailbox_manager_impl.h" | |
| 19 #include "mojo/application_manager/application_loader.h" | |
| 20 #include "mojo/application_manager/application_manager.h" | |
| 21 #include "mojo/application_manager/background_shell_application_loader.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 | |
| 35 #if defined(OS_ANDROID) | |
| 36 #include "mojo/services/native_viewport/gpu_impl.h" | |
| 37 #include "mojo/services/native_viewport/native_viewport_impl.h" | |
| 38 #include "mojo/shell/network_application_loader.h" | |
| 39 #include "ui/gl/gl_share_group.h" | |
| 40 #endif // defined(OS_ANDROID) | |
| 41 | |
| 42 namespace mojo { | |
| 43 namespace shell { | |
| 44 namespace { | |
| 45 | |
| 46 // These mojo: URLs are loaded directly from the local filesystem. They | |
| 47 // correspond to shared libraries bundled alongside the mojo_shell. | |
| 48 const char* kLocalMojoURLs[] = { | |
| 49 "mojo:network_service", | |
| 50 }; | |
| 51 | |
| 52 // Used to ensure we only init once. | |
| 53 class Setup { | |
| 54 public: | |
| 55 Setup() { | |
| 56 embedder::Init(scoped_ptr<mojo::embedder::PlatformSupport>( | |
| 57 new mojo::embedder::SimplePlatformSupport())); | |
| 58 } | |
| 59 | |
| 60 ~Setup() { | |
| 61 } | |
| 62 | |
| 63 private: | |
| 64 DISALLOW_COPY_AND_ASSIGN(Setup); | |
| 65 }; | |
| 66 | |
| 67 static base::LazyInstance<Setup>::Leaky setup = LAZY_INSTANCE_INITIALIZER; | |
| 68 | |
| 69 void InitContentHandlers(DynamicApplicationLoader* loader, | |
| 70 base::CommandLine* command_line) { | |
| 71 // Default content handlers. | |
| 72 loader->RegisterContentHandler("image/png", GURL("mojo://png_viewer/")); | |
| 73 loader->RegisterContentHandler("text/html", GURL("mojo://html_viewer/")); | |
| 74 | |
| 75 // Command-line-specified content handlers. | |
| 76 std::string handlers_spec = command_line->GetSwitchValueASCII( | |
| 77 switches::kContentHandlers); | |
| 78 if (handlers_spec.empty()) | |
| 79 return; | |
| 80 | |
| 81 std::vector<std::string> parts; | |
| 82 base::SplitString(handlers_spec, ',', &parts); | |
| 83 if (parts.size() % 2 != 0) { | |
| 84 LOG(ERROR) << "Invalid value for switch " << switches::kContentHandlers | |
| 85 << ": must be a comma-separated list of mimetype/url pairs."; | |
| 86 return; | |
| 87 } | |
| 88 | |
| 89 for (size_t i = 0; i < parts.size(); i += 2) { | |
| 90 GURL url(parts[i + 1]); | |
| 91 if (!url.is_valid()) { | |
| 92 LOG(ERROR) << "Invalid value for switch " << switches::kContentHandlers | |
| 93 << ": '" << parts[i + 1] << "' is not a valid URL."; | |
| 94 return; | |
| 95 } | |
| 96 loader->RegisterContentHandler(parts[i], url); | |
| 97 } | |
| 98 } | |
| 99 | |
| 100 class EmptyServiceProvider : public InterfaceImpl<ServiceProvider> { | |
| 101 private: | |
| 102 void ConnectToService(const mojo::String& service_name, | |
| 103 ScopedMessagePipeHandle client_handle) override {} | |
| 104 }; | |
| 105 | |
| 106 } // namespace | |
| 107 | |
| 108 #if defined(OS_ANDROID) | |
| 109 class Context::NativeViewportApplicationLoader | |
| 110 : public ApplicationLoader, | |
| 111 public ApplicationDelegate, | |
| 112 public InterfaceFactory<NativeViewport>, | |
| 113 public InterfaceFactory<Gpu> { | |
| 114 public: | |
| 115 NativeViewportApplicationLoader() | |
| 116 : share_group_(new gfx::GLShareGroup), | |
| 117 mailbox_manager_(new gpu::gles2::MailboxManagerImpl) {} | |
| 118 virtual ~NativeViewportApplicationLoader() {} | |
| 119 | |
| 120 private: | |
| 121 // ApplicationLoader implementation. | |
| 122 virtual void Load(ApplicationManager* manager, | |
| 123 const GURL& url, | |
| 124 scoped_refptr<LoadCallbacks> callbacks) override { | |
| 125 ScopedMessagePipeHandle shell_handle = callbacks->RegisterApplication(); | |
| 126 if (shell_handle.is_valid()) | |
| 127 app_.reset(new ApplicationImpl(this, shell_handle.Pass())); | |
| 128 } | |
| 129 | |
| 130 virtual void OnApplicationError(ApplicationManager* manager, | |
| 131 const GURL& url) override {} | |
| 132 | |
| 133 // ApplicationDelegate implementation. | |
| 134 virtual bool ConfigureIncomingConnection( | |
| 135 mojo::ApplicationConnection* connection) override { | |
| 136 connection->AddService<NativeViewport>(this); | |
| 137 connection->AddService<Gpu>(this); | |
| 138 return true; | |
| 139 } | |
| 140 | |
| 141 // InterfaceFactory<NativeViewport> implementation. | |
| 142 virtual void Create(ApplicationConnection* connection, | |
| 143 InterfaceRequest<NativeViewport> request) override { | |
| 144 BindToRequest(new NativeViewportImpl(app_.get(), false), &request); | |
| 145 } | |
| 146 | |
| 147 // InterfaceFactory<Gpu> implementation. | |
| 148 virtual void Create(ApplicationConnection* connection, | |
| 149 InterfaceRequest<Gpu> request) override { | |
| 150 BindToRequest(new GpuImpl(share_group_.get(), mailbox_manager_.get()), | |
| 151 &request); | |
| 152 } | |
| 153 | |
| 154 scoped_refptr<gfx::GLShareGroup> share_group_; | |
| 155 scoped_refptr<gpu::gles2::MailboxManager> mailbox_manager_; | |
| 156 scoped_ptr<ApplicationImpl> app_; | |
| 157 DISALLOW_COPY_AND_ASSIGN(NativeViewportApplicationLoader); | |
| 158 }; | |
| 159 #endif | |
| 160 | |
| 161 Context::Context() { | |
| 162 DCHECK(!base::MessageLoop::current()); | |
| 163 } | |
| 164 | |
| 165 Context::~Context() { | |
| 166 DCHECK(!base::MessageLoop::current()); | |
| 167 } | |
| 168 | |
| 169 void Context::Init() { | |
| 170 application_manager_.set_delegate(this); | |
| 171 setup.Get(); | |
| 172 task_runners_.reset( | |
| 173 new TaskRunners(base::MessageLoop::current()->message_loop_proxy())); | |
| 174 | |
| 175 for (size_t i = 0; i < arraysize(kLocalMojoURLs); ++i) | |
| 176 mojo_url_resolver_.AddLocalFileMapping(GURL(kLocalMojoURLs[i])); | |
| 177 | |
| 178 base::CommandLine* command_line = base::CommandLine::ForCurrentProcess(); | |
| 179 | |
| 180 if (command_line->HasSwitch(switches::kEnableExternalApplications)) { | |
| 181 listener_ = ExternalApplicationListener::Create( | |
| 182 task_runners_->shell_runner(), task_runners_->io_runner()); | |
| 183 | |
| 184 base::FilePath socket_path = | |
| 185 command_line->GetSwitchValuePath(switches::kEnableExternalApplications); | |
| 186 if (socket_path.empty()) | |
| 187 socket_path = ExternalApplicationListener::ConstructDefaultSocketPath(); | |
| 188 | |
| 189 listener_->ListenInBackground( | |
| 190 socket_path, | |
| 191 base::Bind(&ApplicationManager::RegisterExternalApplication, | |
| 192 base::Unretained(&application_manager_))); | |
| 193 } | |
| 194 scoped_ptr<DynamicServiceRunnerFactory> runner_factory; | |
| 195 if (command_line->HasSwitch(switches::kEnableMultiprocess)) | |
| 196 runner_factory.reset(new OutOfProcessDynamicServiceRunnerFactory()); | |
| 197 else | |
| 198 runner_factory.reset(new InProcessDynamicServiceRunnerFactory()); | |
| 199 | |
| 200 DynamicApplicationLoader* dynamic_application_loader = | |
| 201 new DynamicApplicationLoader(this, runner_factory.Pass()); | |
| 202 InitContentHandlers(dynamic_application_loader, command_line); | |
| 203 application_manager_.set_default_loader( | |
| 204 scoped_ptr<ApplicationLoader>(dynamic_application_loader)); | |
| 205 | |
| 206 // The native viewport service synchronously waits for certain messages. If we | |
| 207 // don't run it on its own thread we can easily deadlock. Long term native | |
| 208 // viewport should run its own process so that this isn't an issue. | |
| 209 #if defined(OS_ANDROID) | |
| 210 application_manager_.SetLoaderForURL( | |
| 211 scoped_ptr<ApplicationLoader>(new UIApplicationLoader( | |
| 212 scoped_ptr<ApplicationLoader>(new NativeViewportApplicationLoader()), | |
| 213 this)), | |
| 214 GURL("mojo:native_viewport_service")); | |
| 215 #endif | |
| 216 | |
| 217 if (command_line->HasSwitch(switches::kSpy)) { | |
| 218 spy_.reset( | |
| 219 new mojo::Spy(&application_manager_, | |
| 220 command_line->GetSwitchValueASCII(switches::kSpy))); | |
| 221 // TODO(cpu): the spy can snoop, but can't tell anybody until | |
| 222 // the Spy::WebSocketDelegate is implemented. In the original repo this | |
| 223 // was implemented by src\mojo\spy\websocket_server.h and .cc. | |
| 224 } | |
| 225 | |
| 226 #if defined(OS_ANDROID) | |
| 227 // On android, the network service is bundled with the shell because the | |
| 228 // network stack depends on the android runtime. | |
| 229 { | |
| 230 scoped_ptr<BackgroundShellApplicationLoader> loader( | |
| 231 new BackgroundShellApplicationLoader( | |
| 232 scoped_ptr<ApplicationLoader>(new NetworkApplicationLoader()), | |
| 233 "network_service", | |
| 234 base::MessageLoop::TYPE_IO)); | |
| 235 application_manager_.SetLoaderForURL(loader.Pass(), | |
| 236 GURL("mojo:network_service")); | |
| 237 } | |
| 238 #endif | |
| 239 | |
| 240 if (listener_) | |
| 241 listener_->WaitForListening(); | |
| 242 } | |
| 243 | |
| 244 void Context::OnApplicationError(const GURL& gurl) { | |
| 245 if (app_urls_.find(gurl) != app_urls_.end()) { | |
| 246 app_urls_.erase(gurl); | |
| 247 if (app_urls_.empty() && base::MessageLoop::current()->is_running()) | |
| 248 base::MessageLoop::current()->Quit(); | |
| 249 } | |
| 250 } | |
| 251 | |
| 252 void Context::Run(const GURL& url) { | |
| 253 EmptyServiceProvider* sp = new EmptyServiceProvider; | |
| 254 ServiceProviderPtr spp; | |
| 255 BindToProxy(sp, &spp); | |
| 256 | |
| 257 app_urls_.insert(url); | |
| 258 application_manager_.ConnectToApplication(url, GURL(), spp.Pass()); | |
| 259 } | |
| 260 | |
| 261 ScopedMessagePipeHandle Context::ConnectToServiceByName( | |
| 262 const GURL& application_url, | |
| 263 const std::string& service_name) { | |
| 264 app_urls_.insert(application_url); | |
| 265 return application_manager_.ConnectToServiceByName( | |
| 266 application_url, service_name).Pass(); | |
| 267 } | |
| 268 | |
| 269 } // namespace shell | |
| 270 } // namespace mojo | |
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Chromium Code Reviews
Issue 687433002:
Remove mojo/shell and (most) service implementations (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master