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author | Steve Block <steveblock@google.com> | 2011-05-13 06:44:40 -0700 |
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committer | Android (Google) Code Review <android-gerrit@google.com> | 2011-05-13 06:44:40 -0700 |
commit | 08014c20784f3db5df3a89b73cce46037b77eb59 (patch) | |
tree | 47749210d31e19e6e2f64036fa8fae2ad693476f /Source/WebCore/css/MediaQueryExp.cpp | |
parent | 860220379e56aeb66424861ad602b07ee22b4055 (diff) | |
parent | 4c3661f7918f8b3f139f824efb7855bedccb4c94 (diff) | |
download | external_webkit-08014c20784f3db5df3a89b73cce46037b77eb59.zip external_webkit-08014c20784f3db5df3a89b73cce46037b77eb59.tar.gz external_webkit-08014c20784f3db5df3a89b73cce46037b77eb59.tar.bz2 |
Merge changes Ide388898,Ic49f367c,I1158a808,Iacb6ca5d,I2100dd3a,I5c1abe54,Ib0ef9902,I31dbc523,I570314b3
* changes:
Merge WebKit at r75315: Update WebKit version
Merge WebKit at r75315: Add FrameLoaderClient PageCache stubs
Merge WebKit at r75315: Stub out AXObjectCache::remove()
Merge WebKit at r75315: Fix ImageBuffer
Merge WebKit at r75315: Fix PluginData::initPlugins()
Merge WebKit at r75315: Fix conflicts
Merge WebKit at r75315: Fix Makefiles
Merge WebKit at r75315: Move Android-specific WebCore files to Source
Merge WebKit at r75315: Initial merge by git.
Diffstat (limited to 'Source/WebCore/css/MediaQueryExp.cpp')
-rw-r--r-- | Source/WebCore/css/MediaQueryExp.cpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/Source/WebCore/css/MediaQueryExp.cpp b/Source/WebCore/css/MediaQueryExp.cpp new file mode 100644 index 0000000..e970400 --- /dev/null +++ b/Source/WebCore/css/MediaQueryExp.cpp @@ -0,0 +1,111 @@ +/* + * CSS Media Query + * + * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>. + * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). + * + * 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 AUTHOR ``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 "MediaQueryExp.h" + +#include "CSSParser.h" +#include "CSSPrimitiveValue.h" +#include "CSSValueList.h" +#include <wtf/text/StringBuilder.h> + +namespace WebCore { + +inline MediaQueryExp::MediaQueryExp(const AtomicString& mediaFeature, CSSParserValueList* valueList) + : m_mediaFeature(mediaFeature) + , m_value(0) + , m_isValid(true) +{ + if (valueList) { + if (valueList->size() == 1) { + CSSParserValue* value = valueList->current(); + + if (value->id != 0) + m_value = CSSPrimitiveValue::createIdentifier(value->id); + else if (value->unit == CSSPrimitiveValue::CSS_STRING) + m_value = CSSPrimitiveValue::create(value->string, (CSSPrimitiveValue::UnitTypes) value->unit); + else if (value->unit >= CSSPrimitiveValue::CSS_NUMBER && + value->unit <= CSSPrimitiveValue::CSS_KHZ) + m_value = CSSPrimitiveValue::create(value->fValue, (CSSPrimitiveValue::UnitTypes) value->unit); + + valueList->next(); + } else if (valueList->size() > 1) { + // create list of values + // currently accepts only <integer>/<integer> + + RefPtr<CSSValueList> list = CSSValueList::createCommaSeparated(); + CSSParserValue* value = 0; + bool isValid = true; + + while ((value = valueList->current()) && isValid) { + if (value->unit == CSSParserValue::Operator && value->iValue == '/') + list->append(CSSPrimitiveValue::create("/", CSSPrimitiveValue::CSS_STRING)); + else if (value->unit == CSSPrimitiveValue::CSS_NUMBER) + list->append(CSSPrimitiveValue::create(value->fValue, CSSPrimitiveValue::CSS_NUMBER)); + else + isValid = false; + + value = valueList->next(); + } + + if (isValid) + m_value = list.release(); + } + m_isValid = m_value; + } +} + + +PassOwnPtr<MediaQueryExp> MediaQueryExp::create(const AtomicString& mediaFeature, CSSParserValueList* values) +{ + return adoptPtr(new MediaQueryExp(mediaFeature, values)); +} + +MediaQueryExp::~MediaQueryExp() +{ +} + +String MediaQueryExp::serialize() const +{ + if (!m_serializationCache.isNull()) + return m_serializationCache; + + StringBuilder result; + result.append("("); + result.append(m_mediaFeature.lower()); + if (m_value) { + result.append(": "); + result.append(m_value->cssText()); + } + result.append(")"); + + const_cast<MediaQueryExp*>(this)->m_serializationCache = result.toString(); + return m_serializationCache; +} + +} // namespace |