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 "public/platform/WebString.h"
36#include "public/web/WebServiceWorkerContextProxy.h"
37#include "wtf/Forward.h"
38#include "wtf/OwnPtr.h"
39
40namespace WebCore {
41class ExecutionContext;
42}
43
44namespace blink {
45
46class WebEmbeddedWorkerImpl;
47class WebServiceWorkerContextClient;
48class WebServiceWorkerRequest;
49
50// This class is created and destructed on the main thread, but live most
51// of its time as a resident of the worker thread.
52// All methods other than its ctor/dtor are called on the worker thread.
53//
54// This implements WebServiceWorkerContextProxy, which connects ServiceWorker's
55// WorkerGlobalScope and embedder/chrome, and implements ServiceWorker-specific
56// events/upcall methods that are to be called by embedder/chromium,
57// e.g. onfetch.
58//
59// An instance of this class is supposed to outlive until
60// workerGlobalScopeDestroyed() is called by its corresponding
61// WorkerGlobalScope.
62class ServiceWorkerGlobalScopeProxy FINAL :
63    public WebServiceWorkerContextProxy,
64    public WebCore::WorkerReportingProxy {
65    WTF_MAKE_NONCOPYABLE(ServiceWorkerGlobalScopeProxy);
66public:
67    static PassOwnPtr<ServiceWorkerGlobalScopeProxy> create(WebEmbeddedWorkerImpl&, WebCore::ExecutionContext&, WebServiceWorkerContextClient&);
68    virtual ~ServiceWorkerGlobalScopeProxy();
69
70    // WebServiceWorkerContextProxy overrides:
71    virtual void dispatchActivateEvent(int) OVERRIDE;
72    virtual void dispatchInstallEvent(int) OVERRIDE;
73    virtual void dispatchFetchEvent(int, const WebServiceWorkerRequest&) OVERRIDE;
74    virtual void dispatchMessageEvent(const WebString& message, const WebMessagePortChannelArray&) OVERRIDE;
75    virtual void dispatchPushEvent(int, const WebString& data) OVERRIDE;
76    virtual void dispatchSyncEvent(int) OVERRIDE;
77
78    // WorkerReportingProxy overrides:
79    virtual void reportException(const String& errorMessage, int lineNumber, int columnNumber, const String& sourceURL) OVERRIDE;
80    virtual void reportConsoleMessage(WebCore::MessageSource, WebCore::MessageLevel, const String& message, int lineNumber, const String& sourceURL) OVERRIDE;
81    virtual void postMessageToPageInspector(const String&) OVERRIDE;
82    virtual void updateInspectorStateCookie(const String&) OVERRIDE;
83    virtual void workerGlobalScopeStarted(WebCore::WorkerGlobalScope*) OVERRIDE;
84    virtual void workerGlobalScopeClosed() OVERRIDE;
85    virtual void willDestroyWorkerGlobalScope() OVERRIDE;
86    virtual void workerGlobalScopeDestroyed() OVERRIDE;
87
88private:
89    ServiceWorkerGlobalScopeProxy(WebEmbeddedWorkerImpl&, WebCore::ExecutionContext&, WebServiceWorkerContextClient&);
90
91    WebEmbeddedWorkerImpl& m_embeddedWorker;
92    WebCore::ExecutionContext& m_executionContext;
93
94    WebServiceWorkerContextClient& m_client;
95
96    WebCore::WorkerGlobalScope* m_workerGlobalScope;
97};
98
99} // namespace blink
100
101#endif // ServiceWorkerGlobalScopeProxy_h
102