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      1 /*
      2  * Copyright (C) 2011 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
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 
     28 #if ENABLE(BLOB)
     29 
     30 #include "DOMURL.h"
     31 
     32 #include "KURL.h"
     33 #include "ScriptExecutionContext.h"
     34 
     35 namespace WebCore {
     36 
     37 DOMURL::DOMURL(ScriptExecutionContext* scriptExecutionContext)
     38     : m_scriptExecutionContext(scriptExecutionContext)
     39 {
     40     if (m_scriptExecutionContext)
     41         m_scriptExecutionContext->createdDomUrl(this);
     42 }
     43 
     44 DOMURL::~DOMURL()
     45 {
     46     if (m_scriptExecutionContext)
     47         m_scriptExecutionContext->destroyedDomUrl(this);
     48 }
     49 
     50 void DOMURL::contextDestroyed()
     51 {
     52     ASSERT(m_scriptExecutionContext);
     53     m_scriptExecutionContext = 0;
     54 }
     55 
     56 String DOMURL::createObjectURL(Blob* blob)
     57 {
     58     if (!m_scriptExecutionContext)
     59         return String();
     60     return m_scriptExecutionContext->createPublicBlobURL(blob).string();
     61 }
     62 
     63 void DOMURL::revokeObjectURL(const String& urlString)
     64 {
     65     if (!m_scriptExecutionContext)
     66         return;
     67     m_scriptExecutionContext->revokePublicBlobURL(KURL(KURL(), urlString));
     68 }
     69 
     70 } // namespace WebCore
     71 
     72 #endif // ENABLE(BLOB)
     73