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      1 /*
      2  * Copyright (C) 2012 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  * 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 COMPUTER, 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 COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     20  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     22  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23  */
     24 
     25 #include "config.h"
     26 
     27 #include "core/css/CSSSVGDocumentValue.h"
     28 
     29 #include "core/FetchInitiatorTypeNames.h"
     30 #include "core/css/CSSMarkup.h"
     31 #include "core/dom/Document.h"
     32 #include "core/fetch/FetchRequest.h"
     33 #include "core/fetch/ResourceFetcher.h"
     34 
     35 namespace WebCore {
     36 
     37 CSSSVGDocumentValue::CSSSVGDocumentValue(const String& url)
     38     : CSSValue(CSSSVGDocumentClass)
     39     , m_url(url)
     40     , m_loadRequested(false)
     41 {
     42 }
     43 
     44 CSSSVGDocumentValue::~CSSSVGDocumentValue()
     45 {
     46 }
     47 
     48 DocumentResource* CSSSVGDocumentValue::load(ResourceFetcher* loader)
     49 {
     50     ASSERT(loader);
     51 
     52     if (!m_loadRequested) {
     53         m_loadRequested = true;
     54 
     55         FetchRequest request(ResourceRequest(loader->document()->completeURL(m_url)), FetchInitiatorTypeNames::css);
     56         m_document = loader->fetchSVGDocument(request);
     57     }
     58 
     59     return m_document.get();
     60 }
     61 
     62 String CSSSVGDocumentValue::customCSSText() const
     63 {
     64     return quoteCSSStringIfNeeded(m_url);
     65 }
     66 
     67 bool CSSSVGDocumentValue::equals(const CSSSVGDocumentValue& other) const
     68 {
     69     return m_url == other.m_url;
     70 }
     71 
     72 } // namespace WebCore
     73