blob: e7cc3195e8b8695fb206ec2b8c25a0b53d35b2dd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
// Copyright (c) 2012 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/db_message_filter.h"
#include "content/common/indexed_db/indexed_db_message_filter.h"
#include "content/common/web_database_observer_impl.h"
#include "content/common/worker_messages.h"
#include "content/public/common/content_switches.h"
#include "content/worker/websharedworker_stub.h"
#include "content/worker/worker_webkitplatformsupport_impl.h"
#include "ipc/ipc_sync_channel.h"
#include "third_party/WebKit/Source/Platform/chromium/public/WebBlobRegistry.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebDatabase.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBFactory.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;
namespace content {
static base::LazyInstance<base::ThreadLocalPointer<WorkerThread> > lazy_tls =
LAZY_INSTANCE_INITIALIZER;
WorkerThread::WorkerThread() {
lazy_tls.Pointer()->Set(this);
webkit_platform_support_.reset(
new WorkerWebKitPlatformSupportImpl(thread_safe_sender()));
WebKit::initialize(webkit_platform_support_.get());
WebKit::setIDBFactory(
webkit_platform_support_.get()->idbFactory());
appcache_dispatcher_.reset(new AppCacheDispatcher(this));
web_database_observer_impl_.reset(
new WebDatabaseObserverImpl(sync_message_filter()));
WebKit::WebDatabase::setObserver(web_database_observer_impl_.get());
db_message_filter_ = new DBMessageFilter();
channel()->AddFilter(db_message_filter_.get());
indexed_db_message_filter_ = new IndexedDBMessageFilter;
channel()->AddFilter(indexed_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::enableIndexedDatabase(true);
}
WorkerThread::~WorkerThread() {
// Shutdown in reverse of the initialization order.
channel()->RemoveFilter(indexed_db_message_filter_.get());
indexed_db_message_filter_ = NULL;
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.creator_process_id,
params.shared_worker_appcache_id);
// WebSharedWorkerStub own themselves.
new WebSharedWorkerStub(params.name, 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(WebSharedWorkerStub* stub) {
worker_stubs_.erase(stub);
}
void WorkerThread::AddWorkerStub(WebSharedWorkerStub* stub) {
worker_stubs_.insert(stub);
}
} // namespace content
|
