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-rw-r--r--content/worker/worker_thread.cc127
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diff --git a/content/worker/worker_thread.cc b/content/worker/worker_thread.cc
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+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/worker/worker_thread.h"
+
+#include "base/command_line.h"
+#include "base/lazy_instance.h"
+#include "base/threading/thread_local.h"
+#include "content/common/appcache/appcache_dispatcher.h"
+#include "content/common/content_switches.h"
+#include "content/common/db_message_filter.h"
+#include "content/common/web_database_observer_impl.h"
+#include "content/common/worker_messages.h"
+#include "content/worker/webworker_stub.h"
+#include "content/worker/websharedworker_stub.h"
+#include "content/worker/worker_webkitclient_impl.h"
+#include "ipc/ipc_sync_channel.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebBlobRegistry.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebDatabase.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebKit.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebRuntimeFeatures.h"
+#include "webkit/glue/webkit_glue.h"
+
+using WebKit::WebRuntimeFeatures;
+
+static base::LazyInstance<base::ThreadLocalPointer<WorkerThread> > lazy_tls(
+ base::LINKER_INITIALIZED);
+
+
+WorkerThread::WorkerThread() {
+ lazy_tls.Pointer()->Set(this);
+ webkit_client_.reset(new WorkerWebKitClientImpl);
+ WebKit::initialize(webkit_client_.get());
+
+ appcache_dispatcher_.reset(new AppCacheDispatcher(this));
+
+ web_database_observer_impl_.reset(new WebDatabaseObserverImpl(this));
+ WebKit::WebDatabase::setObserver(web_database_observer_impl_.get());
+ db_message_filter_ = new DBMessageFilter();
+ channel()->AddFilter(db_message_filter_.get());
+
+ const CommandLine& command_line = *CommandLine::ForCurrentProcess();
+
+ webkit_glue::EnableWebCoreLogChannels(
+ command_line.GetSwitchValueASCII(switches::kWebCoreLogChannels));
+
+ WebKit::WebRuntimeFeatures::enableDatabase(
+ !command_line.HasSwitch(switches::kDisableDatabases));
+
+ WebKit::WebRuntimeFeatures::enableApplicationCache(
+ !command_line.HasSwitch(switches::kDisableApplicationCache));
+
+#if defined(OS_WIN)
+ // We don't yet support notifications on non-Windows, so hide it from pages.
+ WebRuntimeFeatures::enableNotifications(
+ !command_line.HasSwitch(switches::kDisableDesktopNotifications));
+#endif
+
+ WebRuntimeFeatures::enableSockets(
+ !command_line.HasSwitch(switches::kDisableWebSockets));
+
+ WebRuntimeFeatures::enableFileSystem(
+ !command_line.HasSwitch(switches::kDisableFileSystem));
+
+ WebRuntimeFeatures::enableWebGL(
+ !command_line.HasSwitch(switches::kDisable3DAPIs) &&
+ !command_line.HasSwitch(switches::kDisableExperimentalWebGL));
+}
+
+WorkerThread::~WorkerThread() {
+ // Shutdown in reverse of the initialization order.
+ channel()->RemoveFilter(db_message_filter_.get());
+ db_message_filter_ = NULL;
+
+ WebKit::shutdown();
+ lazy_tls.Pointer()->Set(NULL);
+}
+
+WorkerThread* WorkerThread::current() {
+ return lazy_tls.Pointer()->Get();
+}
+
+bool WorkerThread::OnControlMessageReceived(const IPC::Message& msg) {
+ // Appcache messages are handled by a delegate.
+ if (appcache_dispatcher_->OnMessageReceived(msg))
+ return true;
+
+ bool handled = true;
+ IPC_BEGIN_MESSAGE_MAP(WorkerThread, msg)
+ IPC_MESSAGE_HANDLER(WorkerProcessMsg_CreateWorker, OnCreateWorker)
+ IPC_MESSAGE_UNHANDLED(handled = false)
+ IPC_END_MESSAGE_MAP()
+ return handled;
+}
+
+void WorkerThread::OnCreateWorker(
+ const WorkerProcessMsg_CreateWorker_Params& params) {
+ WorkerAppCacheInitInfo appcache_init_info(
+ params.is_shared, params.creator_process_id,
+ params.creator_appcache_host_id,
+ params.shared_worker_appcache_id);
+
+ // WebWorkerStub and WebSharedWorkerStub own themselves.
+ if (params.is_shared)
+ new WebSharedWorkerStub(params.name, params.route_id, appcache_init_info);
+ else
+ new WebWorkerStub(params.url, params.route_id, appcache_init_info);
+}
+
+// The browser process is likely dead. Terminate all workers.
+void WorkerThread::OnChannelError() {
+ set_on_channel_error_called(true);
+
+ for (WorkerStubsList::iterator it = worker_stubs_.begin();
+ it != worker_stubs_.end(); ++it) {
+ (*it)->OnChannelError();
+ }
+}
+
+void WorkerThread::RemoveWorkerStub(WebWorkerStubBase* stub) {
+ worker_stubs_.erase(stub);
+}
+
+void WorkerThread::AddWorkerStub(WebWorkerStubBase* stub) {
+ worker_stubs_.insert(stub);
+}