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 42 DOMApplicationCache::DOMApplicationCache(Frame* frame) 43 : m_frame(frame) 44 { 45 ApplicationCacheHost* cacheHost = applicationCacheHost(); 46 if (cacheHost) 47 cacheHost->setDOMApplicationCache(this); 48 } 49 50 void DOMApplicationCache::disconnectFrame() 51 { 52 ApplicationCacheHost* cacheHost = applicationCacheHost(); 53 if (cacheHost) 54 cacheHost->setDOMApplicationCache(0); 55 m_frame = 0; 56 } 57 58 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 65 unsigned short DOMApplicationCache::status() const 66 { 67 ApplicationCacheHost* cacheHost = applicationCacheHost(); 68 if (!cacheHost) 69 return ApplicationCacheHost::UNCACHED; 70 return cacheHost->status(); 71 } 72 73 void DOMApplicationCache::update(ExceptionCode& ec) 74 { 75 ApplicationCacheHost* cacheHost = applicationCacheHost(); 76 if (!cacheHost || !cacheHost->update()) 77 ec = INVALID_STATE_ERR; 78 } 79 80 void DOMApplicationCache::swapCache(ExceptionCode& ec) 81 { 82 ApplicationCacheHost* cacheHost = applicationCacheHost(); 83 if (!cacheHost || !cacheHost->swapCache()) 84 ec = INVALID_STATE_ERR; 85 } 86 87 ScriptExecutionContext* DOMApplicationCache::scriptExecutionContext() const 88 { 89 if (m_frame) 90 return m_frame->document(); 91 return 0; 92 } 93 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 } 117 118 EventTargetData* DOMApplicationCache::eventTargetData() 119 { 120 return &m_eventTargetData; 121 } 122 123 EventTargetData* DOMApplicationCache::ensureEventTargetData() 124 { 125 return &m_eventTargetData; 126 } 127 128 } // namespace WebCore 129 130 #endif // ENABLE(OFFLINE_WEB_APPLICATIONS) 131