| /* |
| * 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 "core/css/DOMWindowCSS.h" |
| |
| #include "core/css/CSSMarkup.h" |
| #include "core/css/CSSPropertyValueSet.h" |
| #include "core/css/parser/CSSParser.h" |
| #include "core/css/properties/CSSProperty.h" |
| #include "core/dom/ExecutionContext.h" |
| #include "platform/wtf/text/StringBuilder.h" |
| #include "platform/wtf/text/WTFString.h" |
| |
| namespace blink { |
| |
| bool DOMWindowCSS::supports(const ExecutionContext* execution_context, |
| const String& property, |
| const String& value) { |
| CSSPropertyID unresolved_property = unresolvedCSSPropertyID(property); |
| if (unresolved_property == CSSPropertyInvalid) |
| return false; |
| if (unresolved_property == CSSPropertyVariable) { |
| MutableCSSPropertyValueSet* dummy_style = |
| MutableCSSPropertyValueSet::Create(kHTMLStandardMode); |
| bool is_animation_tainted = false; |
| return CSSParser::ParseValueForCustomProperty( |
| dummy_style, "--valid", nullptr, value, false, |
| execution_context->GetSecureContextMode(), nullptr, |
| is_animation_tainted) |
| .did_parse; |
| } |
| |
| #if DCHECK_IS_ON() |
| DCHECK( |
| CSSProperty::Get(resolveCSSPropertyID(unresolved_property)).IsEnabled()); |
| #endif |
| |
| // This will return false when !important is present |
| MutableCSSPropertyValueSet* dummy_style = |
| MutableCSSPropertyValueSet::Create(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 |