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authorSteve Block <steveblock@google.com>2011-05-13 06:44:40 -0700
committerAndroid (Google) Code Review <android-gerrit@google.com>2011-05-13 06:44:40 -0700
commit08014c20784f3db5df3a89b73cce46037b77eb59 (patch)
tree47749210d31e19e6e2f64036fa8fae2ad693476f /Source/WebCore/css/MediaQueryExp.cpp
parent860220379e56aeb66424861ad602b07ee22b4055 (diff)
parent4c3661f7918f8b3f139f824efb7855bedccb4c94 (diff)
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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.cpp111
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diff --git a/Source/WebCore/css/MediaQueryExp.cpp b/Source/WebCore/css/MediaQueryExp.cpp
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+/*
+ * 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