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/*
* Copyright (C) 2008, 2009 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef DOMApplicationCache_h
#define DOMApplicationCache_h
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
#include "ApplicationCacheHost.h"
#include "AtomicStringHash.h"
#include "EventTarget.h"
#include "EventListener.h"
#include <wtf/HashMap.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
namespace WebCore {
class AtomicStringImpl;
class Frame;
class KURL;
class String;
class DOMApplicationCache : public RefCounted<DOMApplicationCache>, public EventTarget {
public:
static PassRefPtr<DOMApplicationCache> create(Frame* frame) { return adoptRef(new DOMApplicationCache(frame)); }
~DOMApplicationCache() { ASSERT(!m_frame); }
void disconnectFrame();
unsigned short status() const;
void update(ExceptionCode&);
void swapCache(ExceptionCode&);
// Event listener attributes by EventID
void setAttributeEventListener(ApplicationCacheHost::EventID id, PassRefPtr<EventListener> eventListener) { m_attributeEventListeners[id] = eventListener; }
EventListener* getAttributeEventListener(ApplicationCacheHost::EventID id) const { return m_attributeEventListeners[id].get(); }
void clearAttributeEventListener(ApplicationCacheHost::EventID id) { m_attributeEventListeners[id] = 0; }
void callEventListener(ApplicationCacheHost::EventID id) { callListener(toEventType(id), getAttributeEventListener(id)); }
// EventTarget impl
virtual void addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture);
virtual void removeEventListener(const AtomicString& eventType, EventListener*, bool useCapture);
virtual bool dispatchEvent(PassRefPtr<Event>, ExceptionCode&);
typedef Vector<RefPtr<EventListener> > ListenerVector;
typedef HashMap<AtomicString, ListenerVector> EventListenersMap;
EventListenersMap& eventListeners() { return m_eventListeners; }
using RefCounted<DOMApplicationCache>::ref;
using RefCounted<DOMApplicationCache>::deref;
// Explicitly named attribute event listener helpers
void setOnchecking(PassRefPtr<EventListener> listener) { setAttributeEventListener(ApplicationCacheHost::CHECKING_EVENT, listener); }
EventListener* onchecking() const { return getAttributeEventListener(ApplicationCacheHost::CHECKING_EVENT); }
void setOnerror(PassRefPtr<EventListener> listener) { setAttributeEventListener(ApplicationCacheHost::ERROR_EVENT, listener);}
EventListener* onerror() const { return getAttributeEventListener(ApplicationCacheHost::ERROR_EVENT); }
void setOnnoupdate(PassRefPtr<EventListener> listener) { setAttributeEventListener(ApplicationCacheHost::NOUPDATE_EVENT, listener); }
EventListener* onnoupdate() const { return getAttributeEventListener(ApplicationCacheHost::NOUPDATE_EVENT); }
void setOndownloading(PassRefPtr<EventListener> listener) { setAttributeEventListener(ApplicationCacheHost::DOWNLOADING_EVENT, listener); }
EventListener* ondownloading() const { return getAttributeEventListener(ApplicationCacheHost::DOWNLOADING_EVENT); }
void setOnprogress(PassRefPtr<EventListener> listener) { setAttributeEventListener(ApplicationCacheHost::PROGRESS_EVENT, listener); }
EventListener* onprogress() const { return getAttributeEventListener(ApplicationCacheHost::PROGRESS_EVENT); }
void setOnupdateready(PassRefPtr<EventListener> listener) { setAttributeEventListener(ApplicationCacheHost::UPDATEREADY_EVENT, listener); }
EventListener* onupdateready() const { return getAttributeEventListener(ApplicationCacheHost::UPDATEREADY_EVENT); }
void setOncached(PassRefPtr<EventListener> listener) { setAttributeEventListener(ApplicationCacheHost::CACHED_EVENT, listener); }
EventListener* oncached() const { return getAttributeEventListener(ApplicationCacheHost::CACHED_EVENT); }
void setOnobsolete(PassRefPtr<EventListener> listener) { setAttributeEventListener(ApplicationCacheHost::OBSOLETE_EVENT, listener); }
EventListener* onobsolete() const { return getAttributeEventListener(ApplicationCacheHost::OBSOLETE_EVENT); }
virtual ScriptExecutionContext* scriptExecutionContext() const;
DOMApplicationCache* toDOMApplicationCache() { return this; }
#ifdef MANUAL_MERGE_REQUIRED
void callCheckingListener();
void callErrorListener();
void callNoUpdateListener();
void callDownloadingListener();
void callProgressListener();
void callUpdateReadyListener();
void callCachedListener();
void callObsoleteListener();
#if USE(V8)
EventListener* getAttributeEventListener(const AtomicString& eventType);
void setAttributeEventListener(const AtomicString& eventType, PassRefPtr<EventListener> listener);
void clearAttributeEventListener(const AtomicString& eventType);
#endif
#else // MANUAL_MERGE_REQUIRED
static const AtomicString& toEventType(ApplicationCacheHost::EventID id);
static ApplicationCacheHost::EventID toEventID(const AtomicString& eventType);
#endif // MANUAL_MERGE_REQUIRED
private:
DOMApplicationCache(Frame*);
void callListener(const AtomicString& eventType, EventListener*);
virtual void refEventTarget() { ref(); }
virtual void derefEventTarget() { deref(); }
ApplicationCacheHost* applicationCacheHost() const;
bool swapCache();
#if USE(V8)
RefPtr<EventListener>* getAttributeEventListenerStorage(const AtomicString& eventType);
#endif
RefPtr<EventListener> m_attributeEventListeners[ApplicationCacheHost::OBSOLETE_EVENT + 1];
EventListenersMap m_eventListeners;
Frame* m_frame;
};
} // namespace WebCore
#endif // ENABLE(OFFLINE_WEB_APPLICATIONS)
#endif // DOMApplicationCache_h
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