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      1 /*
      2  * Copyright (C) 2008 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 XMLHttpRequestUpload_h
     27 #define XMLHttpRequestUpload_h
     28 
     29 #include "core/events/EventListener.h"
     30 #include "core/xml/XMLHttpRequest.h"
     31 #include "core/xml/XMLHttpRequestEventTarget.h"
     32 #include "wtf/Forward.h"
     33 #include "wtf/HashMap.h"
     34 #include "wtf/PassOwnPtr.h"
     35 #include "wtf/RefCounted.h"
     36 #include "wtf/RefPtr.h"
     37 #include "wtf/text/AtomicStringHash.h"
     38 
     39 namespace blink {
     40 
     41 class ExecutionContext;
     42 class XMLHttpRequest;
     43 
     44 class XMLHttpRequestUpload FINAL : public NoBaseWillBeGarbageCollectedFinalized<XMLHttpRequestUpload>, public XMLHttpRequestEventTarget {
     45     DEFINE_WRAPPERTYPEINFO();
     46     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(XMLHttpRequestUpload);
     47 public:
     48     static PassOwnPtrWillBeRawPtr<XMLHttpRequestUpload> create(XMLHttpRequest* xmlHttpRequest)
     49     {
     50         return adoptPtrWillBeNoop(new XMLHttpRequestUpload(xmlHttpRequest));
     51     }
     52 
     53 #if !ENABLE(OILPAN)
     54     void ref() { m_xmlHttpRequest->ref(); }
     55     void deref() { m_xmlHttpRequest->deref(); }
     56 #endif
     57 
     58     XMLHttpRequest* xmlHttpRequest() const { return m_xmlHttpRequest; }
     59 
     60     virtual const AtomicString& interfaceName() const OVERRIDE;
     61     virtual ExecutionContext* executionContext() const OVERRIDE;
     62 
     63     void dispatchEventAndLoadEnd(const AtomicString&, bool, unsigned long long, unsigned long long);
     64     void dispatchProgressEvent(unsigned long long, unsigned long long);
     65 
     66     void handleRequestError(const AtomicString&);
     67 
     68     virtual void trace(Visitor*) OVERRIDE;
     69 
     70 private:
     71     explicit XMLHttpRequestUpload(XMLHttpRequest*);
     72 
     73 #if !ENABLE(OILPAN)
     74     virtual void refEventTarget() OVERRIDE { ref(); }
     75     virtual void derefEventTarget() OVERRIDE { deref(); }
     76 #endif
     77 
     78     RawPtrWillBeMember<XMLHttpRequest> m_xmlHttpRequest;
     79     EventTargetData m_eventTargetData;
     80 
     81     // Last progress event values; used when issuing the
     82     // required 'progress' event on a request error or abort.
     83     unsigned long long m_lastBytesSent;
     84     unsigned long long m_lastTotalBytesToBeSent;
     85 };
     86 
     87 } // namespace blink
     88 
     89 #endif // XMLHttpRequestUpload_h
     90