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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 "base/command_line.h" | |
| 6 #include "base/i18n/icu_util.h" | |
| 7 #include "base/logging.h" | |
| 8 #include "base/macros.h" | |
| 9 #include "base/message_loop/message_loop.h" | |
| 10 #include "base/path_service.h" | |
| 11 #include "base/strings/utf_string_conversions.h" | |
| 12 #include "base/threading/thread.h" | |
| 13 #include "gin/v8_initializer.h" | |
| 14 #include "mojo/application/application_runner_chromium.h" | |
| 15 #include "mojo/services/html_viewer/blink_platform_impl.h" | |
| 16 #include "mojo/services/html_viewer/discardable_memory_allocator.h" | |
| 17 #include "mojo/services/html_viewer/html_document.h" | |
| 18 #include "mojo/services/html_viewer/web_media_player_factory.h" | |
| 19 #include "mojo/services/network/public/interfaces/network_service.mojom.h" | |
| 20 #include "third_party/WebKit/public/web/WebKit.h" | |
| 21 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h" | |
| 22 #include "third_party/mojo/src/mojo/public/c/system/main.h" | |
| 23 #include "third_party/mojo/src/mojo/public/cpp/application/application_connectio
n.h" | |
| 24 #include "third_party/mojo/src/mojo/public/cpp/application/application_delegate.
h" | |
| 25 #include "third_party/mojo/src/mojo/public/cpp/application/application_impl.h" | |
| 26 #include "third_party/mojo/src/mojo/public/cpp/application/connect.h" | |
| 27 #include "third_party/mojo/src/mojo/public/cpp/application/interface_factory_imp
l.h" | |
| 28 #include "third_party/mojo/src/mojo/public/cpp/bindings/strong_binding.h" | |
| 29 #include "third_party/mojo_services/src/content_handler/public/interfaces/conten
t_handler.mojom.h" | |
| 30 #include "ui/base/resource/resource_bundle.h" | |
| 31 #include "ui/base/ui_base_paths.h" | |
| 32 | |
| 33 using mojo::ApplicationConnection; | |
| 34 using mojo::Array; | |
| 35 using mojo::BindToRequest; | |
| 36 using mojo::ContentHandler; | |
| 37 using mojo::InterfaceRequest; | |
| 38 using mojo::ServiceProvider; | |
| 39 using mojo::ServiceProviderPtr; | |
| 40 using mojo::ShellPtr; | |
| 41 using mojo::String; | |
| 42 using mojo::URLLoaderPtr; | |
| 43 using mojo::URLResponsePtr; | |
| 44 | |
| 45 namespace html_viewer { | |
| 46 | |
| 47 // Switches for html_viewer. | |
| 48 | |
| 49 // Enable MediaRenderer in media pipeline instead of using the internal | |
| 50 // media::Renderer implementation. | |
| 51 const char kEnableMojoMediaRenderer[] = "enable-mojo-media-renderer"; | |
| 52 | |
| 53 // Disables support for (unprefixed) Encrypted Media Extensions. | |
| 54 const char kDisableEncryptedMedia[] = "disable-encrypted-media"; | |
| 55 | |
| 56 // Prevents creation of any output surface. | |
| 57 const char kIsHeadless[] = "is-headless"; | |
| 58 | |
| 59 size_t kDesiredMaxMemory = 20 * 1024 * 1024; | |
| 60 | |
| 61 class HTMLViewer; | |
| 62 | |
| 63 class HTMLViewerApplication : public mojo::Application { | |
| 64 public: | |
| 65 HTMLViewerApplication(InterfaceRequest<Application> request, | |
| 66 URLResponsePtr response, | |
| 67 scoped_refptr<base::MessageLoopProxy> compositor_thread, | |
| 68 WebMediaPlayerFactory* web_media_player_factory, | |
| 69 bool is_headless) | |
| 70 : url_(response->url), | |
| 71 binding_(this, request.Pass()), | |
| 72 initial_response_(response.Pass()), | |
| 73 compositor_thread_(compositor_thread), | |
| 74 web_media_player_factory_(web_media_player_factory), | |
| 75 is_headless_(is_headless) {} | |
| 76 | |
| 77 void Initialize(ShellPtr shell, | |
| 78 Array<String> args, | |
| 79 const String& url) override { | |
| 80 ServiceProviderPtr service_provider; | |
| 81 shell_ = shell.Pass(); | |
| 82 shell_->ConnectToApplication("mojo:network_service", | |
| 83 GetProxy(&service_provider), nullptr); | |
| 84 ConnectToService(service_provider.get(), &network_service_); | |
| 85 } | |
| 86 | |
| 87 void AcceptConnection(const String& requestor_url, | |
| 88 InterfaceRequest<ServiceProvider> services, | |
| 89 ServiceProviderPtr exposed_services, | |
| 90 const String& url) override { | |
| 91 if (initial_response_) { | |
| 92 OnResponseReceived(URLLoaderPtr(), services.Pass(), | |
| 93 initial_response_.Pass()); | |
| 94 } else { | |
| 95 URLLoaderPtr loader; | |
| 96 network_service_->CreateURLLoader(GetProxy(&loader)); | |
| 97 mojo::URLRequestPtr request(mojo::URLRequest::New()); | |
| 98 request->url = url_; | |
| 99 request->auto_follow_redirects = true; | |
| 100 | |
| 101 // |loader| will be pass to the OnResponseReceived method through a | |
| 102 // callback. Because order of evaluation is undefined, a reference to the | |
| 103 // raw pointer is needed. | |
| 104 mojo::URLLoader* raw_loader = loader.get(); | |
| 105 raw_loader->Start( | |
| 106 request.Pass(), | |
| 107 base::Bind(&HTMLViewerApplication::OnResponseReceived, | |
| 108 base::Unretained(this), base::Passed(&loader), | |
| 109 base::Passed(&services))); | |
| 110 } | |
| 111 } | |
| 112 | |
| 113 void RequestQuit() override {} | |
| 114 | |
| 115 private: | |
| 116 void OnResponseReceived(URLLoaderPtr loader, | |
| 117 InterfaceRequest<ServiceProvider> services, | |
| 118 URLResponsePtr response) { | |
| 119 new HTMLDocument(services.Pass(), response.Pass(), shell_.get(), | |
| 120 compositor_thread_, web_media_player_factory_, | |
| 121 is_headless_); | |
| 122 } | |
| 123 | |
| 124 String url_; | |
| 125 mojo::StrongBinding<mojo::Application> binding_; | |
| 126 ShellPtr shell_; | |
| 127 mojo::NetworkServicePtr network_service_; | |
| 128 URLResponsePtr initial_response_; | |
| 129 scoped_refptr<base::MessageLoopProxy> compositor_thread_; | |
| 130 WebMediaPlayerFactory* web_media_player_factory_; | |
| 131 bool is_headless_; | |
| 132 }; | |
| 133 | |
| 134 class ContentHandlerImpl : public mojo::InterfaceImpl<ContentHandler> { | |
| 135 public: | |
| 136 ContentHandlerImpl(scoped_refptr<base::MessageLoopProxy> compositor_thread, | |
| 137 WebMediaPlayerFactory* web_media_player_factory, | |
| 138 bool is_headless) | |
| 139 : compositor_thread_(compositor_thread), | |
| 140 web_media_player_factory_(web_media_player_factory), | |
| 141 is_headless_(is_headless) {} | |
| 142 ~ContentHandlerImpl() override {} | |
| 143 | |
| 144 private: | |
| 145 // Overridden from ContentHandler: | |
| 146 void StartApplication(InterfaceRequest<mojo::Application> request, | |
| 147 URLResponsePtr response) override { | |
| 148 new HTMLViewerApplication(request.Pass(), response.Pass(), | |
| 149 compositor_thread_, web_media_player_factory_, | |
| 150 is_headless_); | |
| 151 } | |
| 152 | |
| 153 scoped_refptr<base::MessageLoopProxy> compositor_thread_; | |
| 154 WebMediaPlayerFactory* web_media_player_factory_; | |
| 155 bool is_headless_; | |
| 156 | |
| 157 DISALLOW_COPY_AND_ASSIGN(ContentHandlerImpl); | |
| 158 }; | |
| 159 | |
| 160 class HTMLViewer : public mojo::ApplicationDelegate, | |
| 161 public mojo::InterfaceFactory<ContentHandler> { | |
| 162 public: | |
| 163 HTMLViewer() | |
| 164 : discardable_memory_allocator_(kDesiredMaxMemory), | |
| 165 compositor_thread_("compositor thread") {} | |
| 166 | |
| 167 ~HTMLViewer() override { blink::shutdown(); } | |
| 168 | |
| 169 private: | |
| 170 // Overridden from ApplicationDelegate: | |
| 171 void Initialize(mojo::ApplicationImpl* app) override { | |
| 172 base::DiscardableMemoryAllocator::SetInstance( | |
| 173 &discardable_memory_allocator_); | |
| 174 | |
| 175 blink_platform_.reset(new BlinkPlatformImpl(app)); | |
| 176 #if defined(V8_USE_EXTERNAL_STARTUP_DATA) | |
| 177 // Note: this requires file system access. | |
| 178 gin::V8Initializer::LoadV8Snapshot(); | |
| 179 #endif | |
| 180 blink::initialize(blink_platform_.get()); | |
| 181 base::i18n::InitializeICU(); | |
| 182 | |
| 183 ui::RegisterPathProvider(); | |
| 184 | |
| 185 base::CommandLine* command_line = base::CommandLine::ForCurrentProcess(); | |
| 186 | |
| 187 logging::LoggingSettings settings; | |
| 188 settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG; | |
| 189 logging::InitLogging(settings); | |
| 190 // Display process ID, thread ID and timestamp in logs. | |
| 191 logging::SetLogItems(true, true, true, false); | |
| 192 | |
| 193 if (command_line->HasSwitch(kDisableEncryptedMedia)) | |
| 194 blink::WebRuntimeFeatures::enableEncryptedMedia(false); | |
| 195 | |
| 196 is_headless_ = command_line->HasSwitch(kIsHeadless); | |
| 197 if (!is_headless_) { | |
| 198 // TODO(sky): consider putting this into the .so so that we don't need | |
| 199 // file system access. | |
| 200 base::FilePath ui_test_pak_path; | |
| 201 CHECK(PathService::Get(ui::UI_TEST_PAK, &ui_test_pak_path)); | |
| 202 ui::ResourceBundle::InitSharedInstanceWithPakPath(ui_test_pak_path); | |
| 203 } | |
| 204 | |
| 205 compositor_thread_.Start(); | |
| 206 #if defined(OS_ANDROID) | |
| 207 // TODO(sky): Get WebMediaPlayerFactory working on android. | |
| 208 NOTIMPLEMENTED(); | |
| 209 #else | |
| 210 bool enable_mojo_media_renderer = | |
| 211 command_line->HasSwitch(kEnableMojoMediaRenderer); | |
| 212 | |
| 213 web_media_player_factory_.reset(new WebMediaPlayerFactory( | |
| 214 compositor_thread_.message_loop_proxy(), enable_mojo_media_renderer)); | |
| 215 #endif | |
| 216 } | |
| 217 | |
| 218 bool ConfigureIncomingConnection(ApplicationConnection* connection) override { | |
| 219 connection->AddService(this); | |
| 220 return true; | |
| 221 } | |
| 222 | |
| 223 // Overridden from InterfaceFactory<ContentHandler> | |
| 224 void Create(ApplicationConnection* connection, | |
| 225 mojo::InterfaceRequest<ContentHandler> request) override { | |
| 226 BindToRequest( | |
| 227 new ContentHandlerImpl(compositor_thread_.message_loop_proxy(), | |
| 228 web_media_player_factory_.get(), is_headless_), | |
| 229 &request); | |
| 230 } | |
| 231 | |
| 232 // Skia requires that we have one of these. Unlike the one used in chrome, | |
| 233 // this doesn't use purgable shared memory. Instead, it tries to free the | |
| 234 // oldest unlocked chunks on allocation. | |
| 235 // | |
| 236 // TODO(erg): In the long run, delete this allocator and get the real shared | |
| 237 // memory based purging allocator working here. | |
| 238 DiscardableMemoryAllocator discardable_memory_allocator_; | |
| 239 | |
| 240 scoped_ptr<BlinkPlatformImpl> blink_platform_; | |
| 241 base::Thread compositor_thread_; | |
| 242 scoped_ptr<WebMediaPlayerFactory> web_media_player_factory_; | |
| 243 // Set if the content will never be displayed. | |
| 244 bool is_headless_; | |
| 245 | |
| 246 DISALLOW_COPY_AND_ASSIGN(HTMLViewer); | |
| 247 }; | |
| 248 | |
| 249 } // namespace html_viewer | |
| 250 | |
| 251 MojoResult MojoMain(MojoHandle shell_handle) { | |
| 252 mojo::ApplicationRunnerChromium runner(new html_viewer::HTMLViewer); | |
| 253 return runner.Run(shell_handle); | |
| 254 } | |
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Chromium Code Reviews
Issue 1099303002:
Move html_viewer from mojo/services to components. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master