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#ifndef ServiceWorkerGlobalScopeProxy_h
32#define ServiceWorkerGlobalScopeProxy_h
33
34#include "core/workers/WorkerReportingProxy.h"
35#include "platform/heap/Handle.h"
36#include "public/platform/WebString.h"
37#include "public/web/WebServiceWorkerContextProxy.h"
38#include "wtf/Forward.h"
39#include "wtf/OwnPtr.h"
40
41namespace blink {
42
43class ConsoleMessage;
44class Document;
45class WebEmbeddedWorkerImpl;
46class WebServiceWorkerContextClient;
47class WebServiceWorkerRequest;
48
49// This class is created and destructed on the main thread, but live most
50// of its time as a resident of the worker thread.
51// All methods other than its ctor/dtor are called on the worker thread.
52//
53// This implements WebServiceWorkerContextProxy, which connects ServiceWorker's
54// WorkerGlobalScope and embedder/chrome, and implements ServiceWorker-specific
55// events/upcall methods that are to be called by embedder/chromium,
56// e.g. onfetch.
57//
58// An instance of this class is supposed to outlive until
59// workerThreadTerminated() is called by its corresponding
60// WorkerGlobalScope.
61class ServiceWorkerGlobalScopeProxy FINAL
62    : public WebServiceWorkerContextProxy
63    , public WorkerReportingProxy {
64    WTF_MAKE_NONCOPYABLE(ServiceWorkerGlobalScopeProxy);
65public:
66    static PassOwnPtr<ServiceWorkerGlobalScopeProxy> create(WebEmbeddedWorkerImpl&, Document&, WebServiceWorkerContextClient&);
67    virtual ~ServiceWorkerGlobalScopeProxy();
68
69    // WebServiceWorkerContextProxy overrides:
70    virtual void dispatchActivateEvent(int) OVERRIDE;
71    virtual void dispatchInstallEvent(int) OVERRIDE;
72    virtual void dispatchFetchEvent(int, const WebServiceWorkerRequest&) OVERRIDE;
73    virtual void dispatchMessageEvent(const WebString& message, const WebMessagePortChannelArray&) OVERRIDE;
74    virtual void dispatchPushEvent(int, const WebString& data) OVERRIDE;
75    virtual void dispatchSyncEvent(int) OVERRIDE;
76
77    // WorkerReportingProxy overrides:
78    virtual void reportException(const String& errorMessage, int lineNumber, int columnNumber, const String& sourceURL) OVERRIDE;
79    virtual void reportConsoleMessage(PassRefPtrWillBeRawPtr<ConsoleMessage>) OVERRIDE;
80    virtual void postMessageToPageInspector(const String&) OVERRIDE;
81    virtual void updateInspectorStateCookie(const String&) OVERRIDE;
82    virtual void workerGlobalScopeStarted(WorkerGlobalScope*) OVERRIDE;
83    virtual void workerGlobalScopeClosed() OVERRIDE;
84    virtual void willDestroyWorkerGlobalScope() OVERRIDE;
85    virtual void workerThreadTerminated() OVERRIDE;
86
87private:
88    ServiceWorkerGlobalScopeProxy(WebEmbeddedWorkerImpl&, Document&, WebServiceWorkerContextClient&);
89
90    WebEmbeddedWorkerImpl& m_embeddedWorker;
91    Document& m_document;
92
93    WebServiceWorkerContextClient& m_client;
94
95    WorkerGlobalScope* m_workerGlobalScope;
96};
97
98} // namespace blink
99
100#endif // ServiceWorkerGlobalScopeProxy_h
101