For local review prior to sending to webkit

loader/appcache2/DOMApplicationCache.h

 /*
  * 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)
+#if ENABLE(APPLICATION_CACHE)
 
+#include "ApplicationCacheCommon.h"
+#include "ApplicationCacheFrontend.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 ApplicationCache;
 class AtomicStringImpl;
 class DOMStringList;
 class Frame;
 class KURL;
 class String;
     
 class DOMApplicationCache : public RefCounted<DOMApplicationCache>, public EventTarget {
 public:
+    // FIXME: integrate with workers
     static PassRefPtr<DOMApplicationCache> create(Frame* frame) { return adoptRef(new DOMApplicationCache(frame)); }
     void disconnectFrame();
 
     enum Status {
-        UNCACHED = 0,
-        IDLE = 1,
-        CHECKING = 2,
-        DOWNLOADING = 3,
-        UPDATEREADY = 4,
-        OBSOLETE = 5
+        UNCACHED = APPCACHE_UNCACHED,
+        IDLE = APPCACHE_IDLE,
+        CHECKING = APPCACHE_CHECKING,
+        DOWNLOADING = APPCACHE_DOWNLOADING,
+        UPDATEREADY = APPCACHE_UPDATEREADY,
+        OBSOLETE = APPCACHE_OBSOLETE
     };
 
     unsigned short status() const;
-    
     void update(ExceptionCode&);
     void swapCache(ExceptionCode&);
-    
-    PassRefPtr<DOMStringList> items();
-    bool hasItem(const KURL&, ExceptionCode&);
-    void add(const KURL&, ExceptionCode&);
-    void remove(const KURL&, ExceptionCode&);
 
-    virtual void addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture);
-    virtual void removeEventListener(const AtomicString& eventType, EventListener*, bool useCapture);
+    // Event attributes
+    void setAttributeEventListener(ApplicationCacheEventType type, PassRefPtr<EventListener> eventListener) { m_attributeEventListeners[type] = eventListener; }
+    EventListener* getAttributeEventListener(ApplicationCacheEventType type) const { return m_attributeEventListeners[type].get(); }
+    void clearAttributeEventListener(ApplicationCacheEventType type) { m_attributeEventListeners[type] = 0; }
+    void callEventListener(ApplicationCacheEventType type) { callListener(toEventName(type), getAttributeEventListener(type)); }
+
+    // EventTarget impl
+    virtual void addEventListener(const AtomicString& eventName, PassRefPtr<EventListener>, bool useCapture);
+    virtual void removeEventListener(const AtomicString& eventName, 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;
 
-    void setOnchecking(PassRefPtr<EventListener> eventListener) { m_onCheckingListener = eventListener; }
-    EventListener* onchecking() const { return m_onCheckingListener.get(); }
-
-    void setOnerror(PassRefPtr<EventListener> eventListener) { m_onErrorListener = eventListener; }
-    EventListener* onerror() const { return m_onErrorListener.get(); }
-
-    void setOnnoupdate(PassRefPtr<EventListener> eventListener) { m_onNoUpdateListener = eventListener; }
-    EventListener* onnoupdate() const { return m_onNoUpdateListener.get(); }
-
-    void setOndownloading(PassRefPtr<EventListener> eventListener) { m_onDownloadingListener = eventListener; }
-    EventListener* ondownloading() const { return m_onDownloadingListener.get(); }
-    
-    void setOnprogress(PassRefPtr<EventListener> eventListener) { m_onProgressListener = eventListener; }
-    EventListener* onprogress() const { return m_onProgressListener.get(); }
-
-    void setOnupdateready(PassRefPtr<EventListener> eventListener) { m_onUpdateReadyListener = eventListener; }
-    EventListener* onupdateready() const { return m_onUpdateReadyListener.get(); }
-
-    void setOncached(PassRefPtr<EventListener> eventListener) { m_onCachedListener = eventListener; }
-    EventListener* oncached() const { return m_onCachedListener.get(); }
-
-    void setOnobsolete(PassRefPtr<EventListener> eventListener) { m_onObsoleteListener = eventListener; }
-    EventListener* onobsolete() const { return m_onObsoleteListener.get(); }
-
     virtual ScriptExecutionContext* scriptExecutionContext() const;
     DOMApplicationCache* toDOMApplicationCache() { return this; }
 
-    void callCheckingListener();
-    void callErrorListener();    
-    void callNoUpdateListener();    
-    void callDownloadingListener();
-    void callProgressListener();
-    void callUpdateReadyListener();
-    void callCachedListener();
-    void callObsoleteListener();
-    
+    // Explicitly named attribute event listener helpers
+    void setOnchecking(PassRefPtr<EventListener> listener) { setAttributeEventListener(APPCACHE_CHECKING_EVENT, listener); }
+    void setOnerror(PassRefPtr<EventListener> listener) { setAttributeEventListener(APPCACHE_ERROR_EVENT, listener);}
+    void setOnnoupdate(PassRefPtr<EventListener> listener) { setAttributeEventListener(APPCACHE_NOUPDATE_EVENT, listener); }
+    void setOndownloading(PassRefPtr<EventListener> listener) { setAttributeEventListener(APPCACHE_DOWNLOADING_EVENT, listener); }
+    void setOnprogress(PassRefPtr<EventListener> listener) { setAttributeEventListener(APPCACHE_PROGRESS_EVENT, listener); }
+    void setOnupdateready(PassRefPtr<EventListener> listener) { setAttributeEventListener(APPCACHE_UPDATEREADY_EVENT, listener); }
+    void setOncached(PassRefPtr<EventListener> listener) { setAttributeEventListener(APPCACHE_CACHED_EVENT, listener); }
+    void setOnobsolete(PassRefPtr<EventListener> listener) { setAttributeEventListener(APPCACHE_OBSOLETE_EVENT, listener); }
+    EventListener* onchecking() const { return getAttributeEventListener(APPCACHE_CHECKING_EVENT); }
+    EventListener* onerror() const { return getAttributeEventListener(APPCACHE_ERROR_EVENT); }
+    EventListener* onnoupdate() const { return getAttributeEventListener(APPCACHE_NOUPDATE_EVENT); }
+    EventListener* ondownloading() const { return getAttributeEventListener(APPCACHE_DOWNLOADING_EVENT); }
+    EventListener* onprogress() const { return getAttributeEventListener(APPCACHE_PROGRESS_EVENT); }
+    EventListener* onupdateready() const { return getAttributeEventListener(APPCACHE_UPDATEREADY_EVENT); }
+    EventListener* oncached() const { return getAttributeEventListener(APPCACHE_CACHED_EVENT); }
+    EventListener* onobsolete() const { return getAttributeEventListener(APPCACHE_OBSOLETE_EVENT); }
+    void callCheckingListener() { callEventListener(APPCACHE_CHECKING_EVENT); }
+    void callErrorListener() { callEventListener(APPCACHE_ERROR_EVENT); }
+    void callNoUpdateListener() { callEventListener(APPCACHE_NOUPDATE_EVENT); }
+    void callDownloadingListener() { callEventListener(APPCACHE_DOWNLOADING_EVENT); }
+    void callProgressListener() { callEventListener(APPCACHE_PROGRESS_EVENT); }
+    void callUpdateReadyListener() { callEventListener(APPCACHE_UPDATEREADY_EVENT); }
+    void callCachedListener() { callEventListener(APPCACHE_CACHED_EVENT); }
+    void callObsoleteListener() { callEventListener(APPCACHE_OBSOLETE_EVENT); }
+
+    static const AtomicString& toEventName(ApplicationCacheEventType eventType);
+    static ApplicationCacheEventType toEventType(const AtomicString& eventName);
+
 private:
     DOMApplicationCache(Frame*);
+
     void callListener(const AtomicString& eventType, EventListener*);
     
     virtual void refEventTarget() { ref(); }
     virtual void derefEventTarget() { deref(); }
 
-    ApplicationCache* associatedCache() const;
+    ApplicationCacheFrontend* appcacheFrontend() const { return m_appcacheFrontend; }
     bool swapCache();
     
-    RefPtr<EventListener> m_onCheckingListener;
-    RefPtr<EventListener> m_onErrorListener;
-    RefPtr<EventListener> m_onNoUpdateListener;
-    RefPtr<EventListener> m_onDownloadingListener;
-    RefPtr<EventListener> m_onProgressListener;
-    RefPtr<EventListener> m_onUpdateReadyListener;
-    RefPtr<EventListener> m_onCachedListener;
-    RefPtr<EventListener> m_onObsoleteListener;
-    
+    RefPtr<EventListener> m_attributeEventListeners[NUMBER_OF_APPCACHE_EVENT_TYPES];
     EventListenersMap m_eventListeners;
 
     Frame* m_frame;
+    ApplicationCacheFrontend* m_appcacheFrontend;
+
 };
 
 } // namespace WebCore
 
-#endif // ENABLE(OFFLINE_WEB_APPLICATIONS)
+#endif // ENABLE(APPLICATION_CACHE)
 
 #endif // DOMApplicationCache_h