ServiceWorker: support Response.{status,statusText,headers} [chromium] (1/3)
[chromium-blink-merge.git] / content / renderer / service_worker / embedded_worker_context_client.cc
blobd6c4d17882c5dd6bd4083a149c3ac349850100eb
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.
5 #include "content/renderer/service_worker/embedded_worker_context_client.h"
7 #include "base/lazy_instance.h"
8 #include "base/message_loop/message_loop_proxy.h"
9 #include "base/pickle.h"
10 #include "base/strings/string16.h"
11 #include "base/strings/utf_string_conversions.h"
12 #include "base/threading/thread_local.h"
13 #include "content/child/request_extra_data.h"
14 #include "content/child/service_worker/service_worker_network_provider.h"
15 #include "content/child/thread_safe_sender.h"
16 #include "content/child/worker_task_runner.h"
17 #include "content/child/worker_thread_task_runner.h"
18 #include "content/common/devtools_messages.h"
19 #include "content/common/service_worker/embedded_worker_messages.h"
20 #include "content/common/service_worker/service_worker_types.h"
21 #include "content/public/renderer/document_state.h"
22 #include "content/renderer/render_thread_impl.h"
23 #include "content/renderer/service_worker/embedded_worker_dispatcher.h"
24 #include "content/renderer/service_worker/service_worker_script_context.h"
25 #include "ipc/ipc_message_macros.h"
26 #include "third_party/WebKit/public/platform/WebServiceWorkerResponse.h"
27 #include "third_party/WebKit/public/platform/WebString.h"
28 #include "third_party/WebKit/public/web/WebDataSource.h"
29 #include "third_party/WebKit/public/web/WebServiceWorkerNetworkProvider.h"
31 namespace content {
33 namespace {
35 // For now client must be a per-thread instance.
36 // TODO(kinuko): This needs to be refactored when we start using thread pool
37 // or having multiple clients per one thread.
38 base::LazyInstance<base::ThreadLocalPointer<EmbeddedWorkerContextClient> >::
39 Leaky g_worker_client_tls = LAZY_INSTANCE_INITIALIZER;
41 void CallWorkerContextDestroyedOnMainThread(int embedded_worker_id) {
42 if (!RenderThreadImpl::current() ||
43 !RenderThreadImpl::current()->embedded_worker_dispatcher())
44 return;
45 RenderThreadImpl::current()->embedded_worker_dispatcher()->
46 WorkerContextDestroyed(embedded_worker_id);
49 // We store an instance of this class in the "extra data" of the WebDataSource
50 // and attach a ServiceWorkerNetworkProvider to it as base::UserData.
51 // (see createServiceWorkerNetworkProvider).
52 class DataSourceExtraData
53 : public blink::WebDataSource::ExtraData,
54 public base::SupportsUserData {
55 public:
56 DataSourceExtraData() {}
57 virtual ~DataSourceExtraData() {}
60 // Called on the main thread only and blink owns it.
61 class WebServiceWorkerNetworkProviderImpl
62 : public blink::WebServiceWorkerNetworkProvider {
63 public:
64 // Blink calls this method for each request starting with the main script,
65 // we tag them with the provider id.
66 virtual void willSendRequest(
67 blink::WebDataSource* data_source,
68 blink::WebURLRequest& request) {
69 ServiceWorkerNetworkProvider* provider =
70 ServiceWorkerNetworkProvider::FromDocumentState(
71 static_cast<DataSourceExtraData*>(data_source->extraData()));
72 scoped_ptr<RequestExtraData> extra_data(new RequestExtraData);
73 extra_data->set_service_worker_provider_id(provider->provider_id());
74 request.setExtraData(extra_data.release());
78 } // namespace
80 EmbeddedWorkerContextClient*
81 EmbeddedWorkerContextClient::ThreadSpecificInstance() {
82 return g_worker_client_tls.Pointer()->Get();
85 EmbeddedWorkerContextClient::EmbeddedWorkerContextClient(
86 int embedded_worker_id,
87 int64 service_worker_version_id,
88 const GURL& service_worker_scope,
89 const GURL& script_url,
90 int worker_devtools_agent_route_id)
91 : embedded_worker_id_(embedded_worker_id),
92 service_worker_version_id_(service_worker_version_id),
93 service_worker_scope_(service_worker_scope),
94 script_url_(script_url),
95 worker_devtools_agent_route_id_(worker_devtools_agent_route_id),
96 sender_(ChildThread::current()->thread_safe_sender()),
97 main_thread_proxy_(base::MessageLoopProxy::current()),
98 weak_factory_(this) {
101 EmbeddedWorkerContextClient::~EmbeddedWorkerContextClient() {
104 bool EmbeddedWorkerContextClient::OnMessageReceived(
105 const IPC::Message& msg) {
106 bool handled = true;
107 IPC_BEGIN_MESSAGE_MAP(EmbeddedWorkerContextClient, msg)
108 IPC_MESSAGE_HANDLER(EmbeddedWorkerContextMsg_MessageToWorker,
109 OnMessageToWorker)
110 IPC_MESSAGE_UNHANDLED(handled = false)
111 IPC_END_MESSAGE_MAP()
112 return handled;
115 void EmbeddedWorkerContextClient::Send(IPC::Message* message) {
116 sender_->Send(message);
119 blink::WebURL EmbeddedWorkerContextClient::scope() const {
120 return service_worker_scope_;
123 void EmbeddedWorkerContextClient::getClients(
124 blink::WebServiceWorkerClientsCallbacks* callbacks) {
125 DCHECK(script_context_);
126 script_context_->GetClientDocuments(callbacks);
129 void EmbeddedWorkerContextClient::workerContextFailedToStart() {
130 DCHECK(main_thread_proxy_->RunsTasksOnCurrentThread());
131 DCHECK(!script_context_);
133 Send(new EmbeddedWorkerHostMsg_WorkerScriptLoadFailed(embedded_worker_id_));
135 RenderThreadImpl::current()->embedded_worker_dispatcher()->
136 WorkerContextDestroyed(embedded_worker_id_);
139 void EmbeddedWorkerContextClient::workerContextStarted(
140 blink::WebServiceWorkerContextProxy* proxy) {
141 DCHECK(!worker_task_runner_);
142 worker_task_runner_ = new WorkerThreadTaskRunner(
143 WorkerTaskRunner::Instance()->CurrentWorkerId());
144 DCHECK_NE(0, WorkerTaskRunner::Instance()->CurrentWorkerId());
145 // g_worker_client_tls.Pointer()->Get() could return NULL if this context
146 // gets deleted before workerContextStarted() is called.
147 DCHECK(g_worker_client_tls.Pointer()->Get() == NULL);
148 DCHECK(!script_context_);
149 g_worker_client_tls.Pointer()->Set(this);
150 script_context_.reset(new ServiceWorkerScriptContext(this, proxy));
152 Send(new EmbeddedWorkerHostMsg_WorkerScriptLoaded(embedded_worker_id_));
154 // Schedule a task to send back WorkerStarted asynchronously,
155 // so that at the time we send it we can be sure that the worker
156 // script has been evaluated and worker run loop has been started.
157 worker_task_runner_->PostTask(
158 FROM_HERE,
159 base::Bind(&EmbeddedWorkerContextClient::SendWorkerStarted,
160 weak_factory_.GetWeakPtr()));
163 void EmbeddedWorkerContextClient::willDestroyWorkerContext() {
164 // At this point OnWorkerRunLoopStopped is already called, so
165 // worker_task_runner_->RunsTasksOnCurrentThread() returns false
166 // (while we're still on the worker thread).
167 script_context_.reset();
169 // This also lets the message filter stop dispatching messages to
170 // this client.
171 g_worker_client_tls.Pointer()->Set(NULL);
174 void EmbeddedWorkerContextClient::workerContextDestroyed() {
175 DCHECK(g_worker_client_tls.Pointer()->Get() == NULL);
177 // Now we should be able to free the WebEmbeddedWorker container on the
178 // main thread.
179 main_thread_proxy_->PostTask(
180 FROM_HERE,
181 base::Bind(&CallWorkerContextDestroyedOnMainThread,
182 embedded_worker_id_));
185 void EmbeddedWorkerContextClient::reportException(
186 const blink::WebString& error_message,
187 int line_number,
188 int column_number,
189 const blink::WebString& source_url) {
190 Send(new EmbeddedWorkerHostMsg_ReportException(
191 embedded_worker_id_, error_message, line_number,
192 column_number, GURL(source_url)));
195 void EmbeddedWorkerContextClient::reportConsoleMessage(
196 int source,
197 int level,
198 const blink::WebString& message,
199 int line_number,
200 const blink::WebString& source_url) {
201 EmbeddedWorkerHostMsg_ReportConsoleMessage_Params params;
202 params.source_identifier = source;
203 params.message_level = level;
204 params.message = message;
205 params.line_number = line_number;
206 params.source_url = GURL(source_url);
208 Send(new EmbeddedWorkerHostMsg_ReportConsoleMessage(
209 embedded_worker_id_, params));
212 void EmbeddedWorkerContextClient::dispatchDevToolsMessage(
213 const blink::WebString& message) {
214 sender_->Send(new DevToolsClientMsg_DispatchOnInspectorFrontend(
215 worker_devtools_agent_route_id_, message.utf8()));
218 void EmbeddedWorkerContextClient::saveDevToolsAgentState(
219 const blink::WebString& state) {
220 sender_->Send(new DevToolsHostMsg_SaveAgentRuntimeState(
221 worker_devtools_agent_route_id_, state.utf8()));
224 void EmbeddedWorkerContextClient::didHandleActivateEvent(
225 int request_id,
226 blink::WebServiceWorkerEventResult result) {
227 DCHECK(script_context_);
228 script_context_->DidHandleActivateEvent(request_id, result);
231 void EmbeddedWorkerContextClient::didHandleInstallEvent(
232 int request_id,
233 blink::WebServiceWorkerEventResult result) {
234 DCHECK(script_context_);
235 script_context_->DidHandleInstallEvent(request_id, result);
238 void EmbeddedWorkerContextClient::didHandleFetchEvent(int request_id) {
239 DCHECK(script_context_);
240 script_context_->DidHandleFetchEvent(
241 request_id,
242 SERVICE_WORKER_FETCH_EVENT_RESULT_FALLBACK,
243 ServiceWorkerResponse());
246 void EmbeddedWorkerContextClient::didHandleFetchEvent(
247 int request_id,
248 const blink::WebServiceWorkerResponse& web_response) {
249 DCHECK(script_context_);
250 #ifdef NEW_SERVICE_WORKER_RESPONSE_INTERFACE
251 std::map<std::string, std::string> headers;
252 const blink::WebVector<blink::WebString>& header_keys =
253 web_response.getHeaderKeys();
254 for (size_t i = 0; i < header_keys.size(); ++i) {
255 const base::string16& key = header_keys[i];
256 headers[base::UTF16ToUTF8(key)] =
257 base::UTF16ToUTF8(web_response.getHeader(key));
259 ServiceWorkerResponse response(web_response.status(),
260 web_response.statusText().utf8(),
261 headers);
262 #else
263 // TODO(kinuko): Cleanup this once blink side patch is rolled.
264 ServiceWorkerResponse response(web_response.statusCode(),
265 web_response.statusText().utf8(),
266 web_response.method().utf8(),
267 std::map<std::string, std::string>());
268 #endif
269 script_context_->DidHandleFetchEvent(
270 request_id, SERVICE_WORKER_FETCH_EVENT_RESULT_RESPONSE, response);
273 void EmbeddedWorkerContextClient::didHandleSyncEvent(int request_id) {
274 DCHECK(script_context_);
275 script_context_->DidHandleSyncEvent(request_id);
278 blink::WebServiceWorkerNetworkProvider*
279 EmbeddedWorkerContextClient::createServiceWorkerNetworkProvider(
280 blink::WebDataSource* data_source) {
281 // Create a content::ServiceWorkerNetworkProvider for this data source so
282 // we can observe its requests.
283 scoped_ptr<ServiceWorkerNetworkProvider> provider(
284 new ServiceWorkerNetworkProvider());
286 // Tell the network provider about which version to load.
287 provider->SetServiceWorkerVersionId(service_worker_version_id_);
289 // The provider is kept around for the lifetime of the DataSource
290 // and ownership is transferred to the DataSource.
291 DataSourceExtraData* extra_data = new DataSourceExtraData();
292 data_source->setExtraData(extra_data);
293 ServiceWorkerNetworkProvider::AttachToDocumentState(
294 extra_data, provider.Pass());
296 // Blink is responsible for deleting the returned object.
297 return new WebServiceWorkerNetworkProviderImpl();
300 void EmbeddedWorkerContextClient::postMessageToClient(
301 int client_id,
302 const blink::WebString& message,
303 blink::WebMessagePortChannelArray* channels) {
304 DCHECK(script_context_);
305 script_context_->PostMessageToDocument(client_id, message,
306 make_scoped_ptr(channels));
309 void EmbeddedWorkerContextClient::OnMessageToWorker(
310 int thread_id,
311 int embedded_worker_id,
312 const IPC::Message& message) {
313 if (!script_context_)
314 return;
315 DCHECK_EQ(embedded_worker_id_, embedded_worker_id);
316 script_context_->OnMessageReceived(message);
319 void EmbeddedWorkerContextClient::SendWorkerStarted() {
320 DCHECK(worker_task_runner_->RunsTasksOnCurrentThread());
321 Send(new EmbeddedWorkerHostMsg_WorkerStarted(
322 WorkerTaskRunner::Instance()->CurrentWorkerId(),
323 embedded_worker_id_));
326 } // namespace content