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/*
* Copyright (C) 2007, 2008 Apple Inc. 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 APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. OR
* CONTRIBUTORS 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"
#include "JSCSSValue.h"
#include "CSSPrimitiveValue.h"
#include "CSSValueList.h"
#include "JSCSSPrimitiveValue.h"
#include "JSCSSValueList.h"
#include "JSNode.h"
#include "JSWebKitCSSTransformValue.h"
#include "WebKitCSSTransformValue.h"
#if ENABLE(CSS_FILTERS)
#include "JSWebKitCSSFilterValue.h"
#include "WebKitCSSFilterValue.h"
#endif
#if ENABLE(CSS_SHADERS)
#include "JSWebKitCSSMixFunctionValue.h"
#include "WebKitCSSMixFunctionValue.h"
#endif
#if ENABLE(SVG)
#include "JSSVGColor.h"
#include "JSSVGPaint.h"
#include "SVGColor.h"
#include "SVGPaint.h"
#endif
using namespace JSC;
namespace WebCore {
bool JSCSSValueOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void* context, SlotVisitor& visitor)
{
JSCSSValue* jsCSSValue = jsCast<JSCSSValue*>(handle.get().asCell());
if (!jsCSSValue->hasCustomProperties())
return false;
DOMWrapperWorld* world = static_cast<DOMWrapperWorld*>(context);
void* root = world->m_cssValueRoots.get(jsCSSValue->impl());
if (!root)
return false;
return visitor.containsOpaqueRoot(root);
}
void JSCSSValueOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
{
JSCSSValue* jsCSSValue = jsCast<JSCSSValue*>(handle.get().asCell());
DOMWrapperWorld* world = static_cast<DOMWrapperWorld*>(context);
world->m_cssValueRoots.remove(jsCSSValue->impl());
uncacheWrapper(world, jsCSSValue->impl(), jsCSSValue);
jsCSSValue->releaseImpl();
}
JSValue toJS(ExecState* exec, JSDOMGlobalObject* globalObject, CSSValue* value)
{
if (!value)
return jsNull();
// Scripts should only ever see cloned CSSValues, never the internal ones.
ASSERT(value->isCSSOMSafe());
// If we're here under erroneous circumstances, prefer returning null over a potentially insecure value.
if (!value->isCSSOMSafe())
return jsNull();
JSDOMWrapper* wrapper = getCachedWrapper(currentWorld(exec), value);
if (wrapper)
return wrapper;
if (value->isWebKitCSSTransformValue())
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, WebKitCSSTransformValue, value);
#if ENABLE(CSS_FILTERS)
else if (value->isWebKitCSSFilterValue())
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, WebKitCSSFilterValue, value);
#endif
#if ENABLE(CSS_SHADERS)
else if (value->isWebKitCSSMixFunctionValue())
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, WebKitCSSMixFunctionValue, value);
#endif
else if (value->isValueList())
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, CSSValueList, value);
#if ENABLE(SVG)
else if (value->isSVGPaint())
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, SVGPaint, value);
else if (value->isSVGColor())
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, SVGColor, value);
#endif
else if (value->isPrimitiveValue())
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, CSSPrimitiveValue, value);
else
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, CSSValue, value);
return wrapper;
}
} // namespace WebCore
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