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 42 namespace WebCore { 43 44 class Frame; 45 class KURL; 46 47 class DOMApplicationCache : public RefCounted<DOMApplicationCache>, public EventTarget { 48 public: 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 80 private: 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