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      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 ApplicationCache_h
     27 #define ApplicationCache_h
     28 
     29 #include "bindings/v8/ScriptWrappable.h"
     30 #include "core/events/EventTarget.h"
     31 #include "core/loader/appcache/ApplicationCacheHost.h"
     32 #include "core/frame/DOMWindowProperty.h"
     33 #include "platform/heap/Handle.h"
     34 #include "wtf/Forward.h"
     35 #include "wtf/PassRefPtr.h"
     36 #include "wtf/RefCounted.h"
     37 
     38 namespace WebCore {
     39 
     40 class ExceptionState;
     41 class LocalFrame;
     42 class KURL;
     43 
     44 class ApplicationCache FINAL : public RefCountedWillBeRefCountedGarbageCollected<ApplicationCache>, public ScriptWrappable, public EventTargetWithInlineData, public DOMWindowProperty {
     45     REFCOUNTED_EVENT_TARGET(ApplicationCache);
     46     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ApplicationCache);
     47 public:
     48     static PassRefPtrWillBeRawPtr<ApplicationCache> create(LocalFrame* frame)
     49     {
     50         return adoptRefWillBeRefCountedGarbageCollected(new ApplicationCache(frame));
     51     }
     52     virtual ~ApplicationCache() { ASSERT(!m_frame); }
     53 
     54     virtual void willDestroyGlobalObjectInFrame() OVERRIDE;
     55 
     56     unsigned short status() const;
     57     void update(ExceptionState&);
     58     void swapCache(ExceptionState&);
     59     void abort();
     60 
     61     // Explicitly named attribute event listener helpers
     62 
     63     DEFINE_ATTRIBUTE_EVENT_LISTENER(checking);
     64     DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
     65     DEFINE_ATTRIBUTE_EVENT_LISTENER(noupdate);
     66     DEFINE_ATTRIBUTE_EVENT_LISTENER(downloading);
     67     DEFINE_ATTRIBUTE_EVENT_LISTENER(progress);
     68     DEFINE_ATTRIBUTE_EVENT_LISTENER(updateready);
     69     DEFINE_ATTRIBUTE_EVENT_LISTENER(cached);
     70     DEFINE_ATTRIBUTE_EVENT_LISTENER(obsolete);
     71 
     72     virtual const AtomicString& interfaceName() const OVERRIDE;
     73     virtual ExecutionContext* executionContext() const OVERRIDE;
     74 
     75     static const AtomicString& toEventType(ApplicationCacheHost::EventID);
     76 
     77 private:
     78     explicit ApplicationCache(LocalFrame*);
     79 
     80     ApplicationCacheHost* applicationCacheHost() const;
     81 };
     82 
     83 } // namespace WebCore
     84 
     85 #endif // ApplicationCache_h
     86