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      1 /*
      2  * Copyright (C) 2013 Google 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 are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef ResourceProgressEvent_h
     32 #define ResourceProgressEvent_h
     33 
     34 #include "core/dom/ProgressEvent.h"
     35 
     36 namespace WebCore {
     37 
     38 // ResourceProgressEvent is a non-standard class that is simply a ProgressEvent
     39 // with an additional read-only "url" property containing a string URL. This is
     40 // used by the Chromium NaCl integration to indicate to which resource the
     41 // event applies. This is useful because the NaCl integration will download
     42 // (and translate in the case of PNaCl) multiple binary files. It is not
     43 // constructable by web content at all, and so does not provide the usual
     44 // EventInit pattern for Event construction.
     45 class ResourceProgressEvent : public ProgressEvent {
     46 public:
     47     static PassRefPtr<ResourceProgressEvent> create()
     48     {
     49         return adoptRef(new ResourceProgressEvent);
     50     }
     51     static PassRefPtr<ResourceProgressEvent> create(const AtomicString& type, bool lengthComputable, unsigned long long loaded, unsigned long long total, const String& url)
     52     {
     53         return adoptRef(new ResourceProgressEvent(type, lengthComputable, loaded, total, url));
     54     }
     55 
     56     const String& url() const;
     57 
     58     virtual const AtomicString& interfaceName() const;
     59 
     60 protected:
     61     ResourceProgressEvent();
     62     ResourceProgressEvent(const AtomicString& type, bool lengthComputable, unsigned long long loaded, unsigned long long total, const String& url);
     63 
     64 private:
     65     String m_url;
     66 };
     67 
     68 } // namespace WebCore
     69 
     70 #endif // ResourceProgressEvent_h
     71