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 "core/loader/appcache/ApplicationCache.h"
28
29 #include "bindings/v8/ExceptionState.h"
30 #include "core/dom/Document.h"
31 #include "core/dom/ExceptionCode.h"
32 #include "core/events/EventListener.h"
33 #include "core/frame/LocalFrame.h"
34 #include "core/loader/DocumentLoader.h"
35 #include "core/loader/FrameLoader.h"
36
37 namespace WebCore {
38
ApplicationCache(LocalFrame * frame)39 ApplicationCache::ApplicationCache(LocalFrame* frame)
40 : DOMWindowProperty(frame)
41 {
42 ScriptWrappable::init(this);
43 ApplicationCacheHost* cacheHost = applicationCacheHost();
44 if (cacheHost)
45 cacheHost->setApplicationCache(this);
46 }
47
willDestroyGlobalObjectInFrame()48 void ApplicationCache::willDestroyGlobalObjectInFrame()
49 {
50 if (ApplicationCacheHost* cacheHost = applicationCacheHost())
51 cacheHost->setApplicationCache(0);
52 DOMWindowProperty::willDestroyGlobalObjectInFrame();
53 }
54
applicationCacheHost() const55 ApplicationCacheHost* ApplicationCache::applicationCacheHost() const
56 {
57 if (!m_frame || !m_frame->loader().documentLoader())
58 return 0;
59 return m_frame->loader().documentLoader()->applicationCacheHost();
60 }
61
status() const62 unsigned short ApplicationCache::status() const
63 {
64 ApplicationCacheHost* cacheHost = applicationCacheHost();
65 if (!cacheHost)
66 return ApplicationCacheHost::UNCACHED;
67 return cacheHost->status();
68 }
69
update(ExceptionState & exceptionState)70 void ApplicationCache::update(ExceptionState& exceptionState)
71 {
72 ApplicationCacheHost* cacheHost = applicationCacheHost();
73 if (!cacheHost || !cacheHost->update())
74 exceptionState.throwDOMException(InvalidStateError, "there is no application cache to update.");
75 }
76
swapCache(ExceptionState & exceptionState)77 void ApplicationCache::swapCache(ExceptionState& exceptionState)
78 {
79 ApplicationCacheHost* cacheHost = applicationCacheHost();
80 if (!cacheHost || !cacheHost->swapCache())
81 exceptionState.throwDOMException(InvalidStateError, "there is no newer application cache to swap to.");
82 }
83
abort()84 void ApplicationCache::abort()
85 {
86 ApplicationCacheHost* cacheHost = applicationCacheHost();
87 if (cacheHost)
88 cacheHost->abort();
89 }
90
interfaceName() const91 const AtomicString& ApplicationCache::interfaceName() const
92 {
93 return EventTargetNames::ApplicationCache;
94 }
95
executionContext() const96 ExecutionContext* ApplicationCache::executionContext() const
97 {
98 if (m_frame)
99 return m_frame->document();
100 return 0;
101 }
102
toEventType(ApplicationCacheHost::EventID id)103 const AtomicString& ApplicationCache::toEventType(ApplicationCacheHost::EventID id)
104 {
105 switch (id) {
106 case ApplicationCacheHost::CHECKING_EVENT:
107 return EventTypeNames::checking;
108 case ApplicationCacheHost::ERROR_EVENT:
109 return EventTypeNames::error;
110 case ApplicationCacheHost::NOUPDATE_EVENT:
111 return EventTypeNames::noupdate;
112 case ApplicationCacheHost::DOWNLOADING_EVENT:
113 return EventTypeNames::downloading;
114 case ApplicationCacheHost::PROGRESS_EVENT:
115 return EventTypeNames::progress;
116 case ApplicationCacheHost::UPDATEREADY_EVENT:
117 return EventTypeNames::updateready;
118 case ApplicationCacheHost::CACHED_EVENT:
119 return EventTypeNames::cached;
120 case ApplicationCacheHost::OBSOLETE_EVENT:
121 return EventTypeNames::obsolete;
122 }
123 ASSERT_NOT_REACHED();
124 return EventTypeNames::error;
125 }
126
127 } // namespace WebCore
128