1/*
2 * Copyright (C) 2013 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32#include "web/ServiceWorkerGlobalScopeProxy.h"
33
34#include "bindings/core/v8/WorkerScriptController.h"
35#include "core/dom/CrossThreadTask.h"
36#include "core/dom/Document.h"
37#include "core/dom/ExecutionContext.h"
38#include "core/dom/MessagePort.h"
39#include "core/events/MessageEvent.h"
40#include "core/inspector/ConsoleMessage.h"
41#include "core/workers/WorkerGlobalScope.h"
42#include "modules/push_messaging/PushEvent.h"
43#include "modules/serviceworkers/ExtendableEvent.h"
44#include "modules/serviceworkers/FetchEvent.h"
45#include "modules/serviceworkers/InstallEvent.h"
46#include "modules/serviceworkers/WaitUntilObserver.h"
47#include "platform/RuntimeEnabledFeatures.h"
48#include "public/platform/WebServiceWorkerRequest.h"
49#include "public/web/WebSerializedScriptValue.h"
50#include "public/web/WebServiceWorkerContextClient.h"
51#include "web/WebEmbeddedWorkerImpl.h"
52#include "wtf/Functional.h"
53#include "wtf/PassOwnPtr.h"
54
55namespace blink {
56
57PassOwnPtr<ServiceWorkerGlobalScopeProxy> ServiceWorkerGlobalScopeProxy::create(WebEmbeddedWorkerImpl& embeddedWorker, Document& document, WebServiceWorkerContextClient& client)
58{
59    return adoptPtr(new ServiceWorkerGlobalScopeProxy(embeddedWorker, document, client));
60}
61
62ServiceWorkerGlobalScopeProxy::~ServiceWorkerGlobalScopeProxy()
63{
64}
65
66void ServiceWorkerGlobalScopeProxy::dispatchInstallEvent(int eventID)
67{
68    ASSERT(m_workerGlobalScope);
69    WaitUntilObserver* observer = WaitUntilObserver::create(m_workerGlobalScope, WaitUntilObserver::Install, eventID);
70    observer->willDispatchEvent();
71    m_workerGlobalScope->dispatchEvent(InstallEvent::create(EventTypeNames::install, EventInit(), observer));
72    observer->didDispatchEvent();
73}
74
75void ServiceWorkerGlobalScopeProxy::dispatchActivateEvent(int eventID)
76{
77    ASSERT(m_workerGlobalScope);
78    WaitUntilObserver* observer = WaitUntilObserver::create(m_workerGlobalScope, WaitUntilObserver::Activate, eventID);
79    observer->willDispatchEvent();
80    m_workerGlobalScope->dispatchEvent(ExtendableEvent::create(EventTypeNames::activate, EventInit(), observer));
81    observer->didDispatchEvent();
82}
83
84void ServiceWorkerGlobalScopeProxy::dispatchFetchEvent(int eventID, const WebServiceWorkerRequest& webRequest)
85{
86    ASSERT(m_workerGlobalScope);
87    RespondWithObserver* observer = RespondWithObserver::create(m_workerGlobalScope, eventID);
88    if (!RuntimeEnabledFeatures::serviceWorkerOnFetchEnabled()) {
89        observer->didDispatchEvent();
90        return;
91    }
92
93    Request* request = Request::create(m_workerGlobalScope, webRequest);
94    RefPtrWillBeRawPtr<FetchEvent> fetchEvent(FetchEvent::create(observer, request));
95    fetchEvent->setIsReload(webRequest.isReload());
96    m_workerGlobalScope->dispatchEvent(fetchEvent.release());
97    observer->didDispatchEvent();
98}
99
100void ServiceWorkerGlobalScopeProxy::dispatchMessageEvent(const WebString& message, const WebMessagePortChannelArray& webChannels)
101{
102    ASSERT(m_workerGlobalScope);
103
104    OwnPtrWillBeRawPtr<MessagePortArray> ports = MessagePort::toMessagePortArray(m_workerGlobalScope, webChannels);
105    WebSerializedScriptValue value = WebSerializedScriptValue::fromString(message);
106    m_workerGlobalScope->dispatchEvent(MessageEvent::create(ports.release(), value));
107}
108
109void ServiceWorkerGlobalScopeProxy::dispatchPushEvent(int eventID, const WebString& data)
110{
111    ASSERT(m_workerGlobalScope);
112    m_workerGlobalScope->dispatchEvent(PushEvent::create(EventTypeNames::push, data));
113}
114
115void ServiceWorkerGlobalScopeProxy::dispatchSyncEvent(int eventID)
116{
117    ASSERT(m_workerGlobalScope);
118    if (RuntimeEnabledFeatures::backgroundSyncEnabled())
119        m_workerGlobalScope->dispatchEvent(Event::create(EventTypeNames::sync));
120    ServiceWorkerGlobalScopeClient::from(m_workerGlobalScope)->didHandleSyncEvent(eventID);
121}
122
123void ServiceWorkerGlobalScopeProxy::reportException(const String& errorMessage, int lineNumber, int columnNumber, const String& sourceURL)
124{
125    m_client.reportException(errorMessage, lineNumber, columnNumber, sourceURL);
126}
127
128void ServiceWorkerGlobalScopeProxy::reportConsoleMessage(PassRefPtrWillBeRawPtr<ConsoleMessage> consoleMessage)
129{
130    m_client.reportConsoleMessage(consoleMessage->source(), consoleMessage->level(), consoleMessage->message(), consoleMessage->lineNumber(), consoleMessage->url());
131}
132
133void ServiceWorkerGlobalScopeProxy::postMessageToPageInspector(const String& message)
134{
135    m_document.postInspectorTask(createCrossThreadTask(&WebEmbeddedWorkerImpl::postMessageToPageInspector, &m_embeddedWorker, message));
136}
137
138void ServiceWorkerGlobalScopeProxy::updateInspectorStateCookie(const String& message)
139{
140    // The inspector cookie saving/restoring is controlled from the main thread.
141    // This method could be removed once shared workers are moved to the main thread inspection as well.
142}
143
144void ServiceWorkerGlobalScopeProxy::workerGlobalScopeStarted(WorkerGlobalScope* workerGlobalScope)
145{
146    ASSERT(!m_workerGlobalScope);
147    m_workerGlobalScope = workerGlobalScope;
148    m_client.workerContextStarted(this);
149}
150
151void ServiceWorkerGlobalScopeProxy::workerGlobalScopeClosed()
152{
153    m_document.postTask(createCrossThreadTask(&WebEmbeddedWorkerImpl::terminateWorkerContext, &m_embeddedWorker));
154}
155
156void ServiceWorkerGlobalScopeProxy::willDestroyWorkerGlobalScope()
157{
158    m_workerGlobalScope = 0;
159    m_client.willDestroyWorkerContext();
160}
161
162void ServiceWorkerGlobalScopeProxy::workerThreadTerminated()
163{
164    m_client.workerContextDestroyed();
165}
166
167ServiceWorkerGlobalScopeProxy::ServiceWorkerGlobalScopeProxy(WebEmbeddedWorkerImpl& embeddedWorker, Document& document, WebServiceWorkerContextClient& client)
168    : m_embeddedWorker(embeddedWorker)
169    , m_document(document)
170    , m_client(client)
171    , m_workerGlobalScope(0)
172{
173}
174
175} // namespace blink
176