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/*
* Copyright (C) 2011 Adobe Systems Incorporated. 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 THE COPYRIGHT HOLDER “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 THE COPYRIGHT HOLDER 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.
*/
#include "config.h"
#if ENABLE(CSS_SHADERS)
#include "WebKitCSSShaderValue.h"
#include "CachedResourceLoader.h"
#include "CSSParser.h"
#include "Document.h"
#include "MemoryInstrumentation.h"
#include "StyleCachedShader.h"
#include "StylePendingShader.h"
namespace WebCore {
WebKitCSSShaderValue::WebKitCSSShaderValue(const String& url)
: CSSValue(WebKitCSSShaderClass)
, m_url(url)
, m_accessedShader(false)
{
}
WebKitCSSShaderValue::~WebKitCSSShaderValue()
{
}
StyleCachedShader* WebKitCSSShaderValue::cachedShader(CachedResourceLoader* loader)
{
ASSERT(loader);
if (!m_accessedShader) {
m_accessedShader = true;
ResourceRequest request(loader->document()->completeURL(m_url));
if (CachedResourceHandle<CachedShader> cachedShader = loader->requestShader(request))
m_shader = StyleCachedShader::create(cachedShader.get());
}
return (m_shader && m_shader->isCachedShader()) ? static_cast<StyleCachedShader*>(m_shader.get()) : 0;
}
StyleShader* WebKitCSSShaderValue::cachedOrPendingShader()
{
if (!m_shader)
m_shader = StylePendingShader::create(this);
return m_shader.get();
}
String WebKitCSSShaderValue::customCssText() const
{
return "url(" + quoteCSSURLIfNeeded(m_url) + ")";
}
void WebKitCSSShaderValue::reportDescendantMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
{
MemoryClassInfo info(memoryObjectInfo, this, MemoryInstrumentation::CSS);
info.addMember(m_url);
}
} // namespace WebCore
#endif // ENABLE(CSS_SHADERS)
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