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/*
* Copyright (C) 2012 Motorola Mobility 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.
* 3. Neither the name of Motorola Mobility Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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
* OWNER 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 "third_party/blink/renderer/core/css/dom_window_css.h"
#include "third_party/blink/renderer/core/css/css_markup.h"
#include "third_party/blink/renderer/core/css/css_property_value_set.h"
#include "third_party/blink/renderer/core/css/parser/css_parser.h"
#include "third_party/blink/renderer/core/css/properties/css_property.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/platform/heap/heap.h"
#include "third_party/blink/renderer/platform/wtf/text/string_builder.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
bool DOMWindowCSS::supports(const ExecutionContext* execution_context,
const String& property,
const String& value) {
CSSPropertyID unresolved_property =
unresolvedCSSPropertyID(execution_context, property);
if (unresolved_property == CSSPropertyID::kInvalid)
return false;
if (unresolved_property == CSSPropertyID::kVariable) {
auto* dummy_style =
MakeGarbageCollected<MutableCSSPropertyValueSet>(kHTMLStandardMode);
bool is_animation_tainted = false;
return CSSParser::ParseValueForCustomProperty(
dummy_style, "--valid", value, false,
execution_context->GetSecureContextMode(), nullptr,
is_animation_tainted)
.did_parse;
}
#if DCHECK_IS_ON()
DCHECK(CSSProperty::Get(resolveCSSPropertyID(unresolved_property))
.IsWebExposed(execution_context));
#endif
// This will return false when !important is present
auto* dummy_style =
MakeGarbageCollected<MutableCSSPropertyValueSet>(kHTMLStandardMode);
return CSSParser::ParseValue(dummy_style, unresolved_property, value, false,
execution_context->GetSecureContextMode())
.did_parse;
}
bool DOMWindowCSS::supports(const ExecutionContext* execution_context,
const String& condition_text) {
return CSSParser::ParseSupportsCondition(
condition_text, execution_context->GetSecureContextMode());
}
String DOMWindowCSS::escape(const String& ident) {
StringBuilder builder;
SerializeIdentifier(ident, builder);
return builder.ToString();
}
} // namespace blink
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