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 #include "config.h"
27 #include "DOMApplicationCache.h"
28
29 #if ENABLE(OFFLINE_WEB_APPLICATIONS)
30
31 #include "ApplicationCacheHost.h"
32 #include "DocumentLoader.h"
33 #include "Event.h"
34 #include "EventException.h"
35 #include "EventListener.h"
36 #include "EventNames.h"
37 #include "Frame.h"
38 #include "FrameLoader.h"
39
40 namespace WebCore {
41
DOMApplicationCache(Frame * frame)42 DOMApplicationCache::DOMApplicationCache(Frame* frame)
43 : m_frame(frame)
44 {
45 ApplicationCacheHost* cacheHost = applicationCacheHost();
46 if (cacheHost)
47 cacheHost->setDOMApplicationCache(this);
48 }
49
disconnectFrame()50 void DOMApplicationCache::disconnectFrame()
51 {
52 ApplicationCacheHost* cacheHost = applicationCacheHost();
53 if (cacheHost)
54 cacheHost->setDOMApplicationCache(0);
55 m_frame = 0;
56 }
57
applicationCacheHost() const58 ApplicationCacheHost* DOMApplicationCache::applicationCacheHost() const
59 {
60 if (!m_frame || !m_frame->loader()->documentLoader())
61 return 0;
62 return m_frame->loader()->documentLoader()->applicationCacheHost();
63 }
64
status() const65 unsigned short DOMApplicationCache::status() const
66 {
67 ApplicationCacheHost* cacheHost = applicationCacheHost();
68 if (!cacheHost)
69 return ApplicationCacheHost::UNCACHED;
70 return cacheHost->status();
71 }
72
update(ExceptionCode & ec)73 void DOMApplicationCache::update(ExceptionCode& ec)
74 {
75 ApplicationCacheHost* cacheHost = applicationCacheHost();
76 if (!cacheHost || !cacheHost->update())
77 ec = INVALID_STATE_ERR;
78 }
79
swapCache(ExceptionCode & ec)80 void DOMApplicationCache::swapCache(ExceptionCode& ec)
81 {
82 ApplicationCacheHost* cacheHost = applicationCacheHost();
83 if (!cacheHost || !cacheHost->swapCache())
84 ec = INVALID_STATE_ERR;
85 }
86
scriptExecutionContext() const87 ScriptExecutionContext* DOMApplicationCache::scriptExecutionContext() const
88 {
89 if (m_frame)
90 return m_frame->document();
91 return 0;
92 }
93
toEventType(ApplicationCacheHost::EventID id)94 const AtomicString& DOMApplicationCache::toEventType(ApplicationCacheHost::EventID id)
95 {
96 switch (id) {
97 case ApplicationCacheHost::CHECKING_EVENT:
98 return eventNames().checkingEvent;
99 case ApplicationCacheHost::ERROR_EVENT:
100 return eventNames().errorEvent;
101 case ApplicationCacheHost::NOUPDATE_EVENT:
102 return eventNames().noupdateEvent;
103 case ApplicationCacheHost::DOWNLOADING_EVENT:
104 return eventNames().downloadingEvent;
105 case ApplicationCacheHost::PROGRESS_EVENT:
106 return eventNames().progressEvent;
107 case ApplicationCacheHost::UPDATEREADY_EVENT:
108 return eventNames().updatereadyEvent;
109 case ApplicationCacheHost::CACHED_EVENT:
110 return eventNames().cachedEvent;
111 case ApplicationCacheHost::OBSOLETE_EVENT:
112 return eventNames().obsoleteEvent;
113 }
114 ASSERT_NOT_REACHED();
115 return eventNames().errorEvent;
116 }
117
eventTargetData()118 EventTargetData* DOMApplicationCache::eventTargetData()
119 {
120 return &m_eventTargetData;
121 }
122
ensureEventTargetData()123 EventTargetData* DOMApplicationCache::ensureEventTargetData()
124 {
125 return &m_eventTargetData;
126 }
127
128 } // namespace WebCore
129
130 #endif // ENABLE(OFFLINE_WEB_APPLICATIONS)
131