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 WebServiceWorker_h
32#define WebServiceWorker_h
33
34#include "WebCommon.h"
35#include "WebMessagePortChannel.h"
36#include "WebServiceWorkerState.h"
37#include "WebString.h"
38#include "WebURL.h"
39#include "WebVector.h"
40
41namespace blink {
42
43class WebServiceWorkerProxy;
44typedef WebVector<class WebMessagePortChannel*> WebMessagePortChannelArray;
45
46class WebServiceWorker {
47public:
48    virtual ~WebServiceWorker() { }
49
50    // Sets ServiceWorkerProxy, with which callee can start making upcalls
51    // to the ServiceWorker object via the client. This doesn't pass the
52    // ownership to the callee, and the proxy's lifetime is same as that of
53    // WebServiceWorker.
54    virtual void setProxy(WebServiceWorkerProxy*) { }
55    virtual WebServiceWorkerProxy* proxy() { return 0; }
56
57    // Called by this worker's ServiceWorkerProxy when it has become ready or
58    // not ready for state change notifications.
59    virtual void proxyReadyChanged() { }
60
61    virtual WebURL scope() const { return WebURL(); }
62    virtual WebURL url() const { return WebURL(); }
63    virtual WebServiceWorkerState state() const { return WebServiceWorkerStateUnknown; }
64
65    // Callee receives ownership of the passed vector.
66    // FIXME: Blob refs should be passed to maintain ref counts. crbug.com/351753
67    virtual void postMessage(const WebString&, WebMessagePortChannelArray*) { BLINK_ASSERT_NOT_REACHED(); }
68};
69
70}
71
72#endif // WebServiceWorker_h
73