1/*
2 * Copyright (C) 2008, 2009 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef DOMApplicationCache_h
27#define DOMApplicationCache_h
28
29#if ENABLE(OFFLINE_WEB_APPLICATIONS)
30
31#include "ApplicationCacheHost.h"
32#include "EventListener.h"
33#include "EventNames.h"
34#include "EventTarget.h"
35#include <wtf/Forward.h>
36#include <wtf/HashMap.h>
37#include <wtf/PassRefPtr.h>
38#include <wtf/RefCounted.h>
39#include <wtf/Vector.h>
40#include <wtf/text/AtomicStringHash.h>
41
42namespace WebCore {
43
44class Frame;
45class KURL;
46
47class DOMApplicationCache : public RefCounted<DOMApplicationCache>, public EventTarget {
48public:
49    static PassRefPtr<DOMApplicationCache> create(Frame* frame) { return adoptRef(new DOMApplicationCache(frame)); }
50    ~DOMApplicationCache() { ASSERT(!m_frame); }
51
52    Frame* frame() const { return m_frame; }
53    void disconnectFrame();
54
55    unsigned short status() const;
56    void update(ExceptionCode&);
57    void swapCache(ExceptionCode&);
58
59    // EventTarget impl
60
61    using RefCounted<DOMApplicationCache>::ref;
62    using RefCounted<DOMApplicationCache>::deref;
63
64    // Explicitly named attribute event listener helpers
65
66    DEFINE_ATTRIBUTE_EVENT_LISTENER(checking);
67    DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
68    DEFINE_ATTRIBUTE_EVENT_LISTENER(noupdate);
69    DEFINE_ATTRIBUTE_EVENT_LISTENER(downloading);
70    DEFINE_ATTRIBUTE_EVENT_LISTENER(progress);
71    DEFINE_ATTRIBUTE_EVENT_LISTENER(updateready);
72    DEFINE_ATTRIBUTE_EVENT_LISTENER(cached);
73    DEFINE_ATTRIBUTE_EVENT_LISTENER(obsolete);
74
75    virtual ScriptExecutionContext* scriptExecutionContext() const;
76    DOMApplicationCache* toDOMApplicationCache() { return this; }
77
78    static const AtomicString& toEventType(ApplicationCacheHost::EventID id);
79
80private:
81    DOMApplicationCache(Frame*);
82
83    virtual void refEventTarget() { ref(); }
84    virtual void derefEventTarget() { deref(); }
85    virtual EventTargetData* eventTargetData();
86    virtual EventTargetData* ensureEventTargetData();
87
88    ApplicationCacheHost* applicationCacheHost() const;
89
90    Frame* m_frame;
91    EventTargetData m_eventTargetData;
92};
93
94} // namespace WebCore
95
96#endif // ENABLE(OFFLINE_WEB_APPLICATIONS)
97
98#endif // DOMApplicationCache_h
99