168 lines
7.3 KiB
C++
168 lines
7.3 KiB
C++
/*
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* Copyright (C) 2017 Apple Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "config.h"
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#include "ConstantPropertyMap.h"
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#include "CSSCustomPropertyValue.h"
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#include "CSSParserTokenRange.h"
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#include "CSSVariableData.h"
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#include "Document.h"
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#include "Page.h"
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#include <wtf/NeverDestroyed.h>
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namespace WebCore {
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ConstantPropertyMap::ConstantPropertyMap(Document& document)
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: m_document(document)
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{
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}
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const ConstantPropertyMap::Values& ConstantPropertyMap::values() const
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{
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if (!m_values)
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const_cast<ConstantPropertyMap&>(*this).buildValues();
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return *m_values;
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}
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const AtomString& ConstantPropertyMap::nameForProperty(ConstantProperty property) const
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{
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static MainThreadNeverDestroyed<const AtomString> safeAreaInsetTopName("safe-area-inset-top", AtomString::ConstructFromLiteral);
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static MainThreadNeverDestroyed<const AtomString> safeAreaInsetRightName("safe-area-inset-right", AtomString::ConstructFromLiteral);
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static MainThreadNeverDestroyed<const AtomString> safeAreaInsetBottomName("safe-area-inset-bottom", AtomString::ConstructFromLiteral);
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static MainThreadNeverDestroyed<const AtomString> safeAreaInsetLeftName("safe-area-inset-left", AtomString::ConstructFromLiteral);
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static MainThreadNeverDestroyed<const AtomString> fullscreenInsetTopName("fullscreen-inset-top", AtomString::ConstructFromLiteral);
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static MainThreadNeverDestroyed<const AtomString> fullscreenInsetLeftName("fullscreen-inset-left", AtomString::ConstructFromLiteral);
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static MainThreadNeverDestroyed<const AtomString> fullscreenInsetBottomName("fullscreen-inset-bottom", AtomString::ConstructFromLiteral);
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static MainThreadNeverDestroyed<const AtomString> fullscreenInsetRightName("fullscreen-inset-right", AtomString::ConstructFromLiteral);
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static MainThreadNeverDestroyed<const AtomString> fullscreenAutoHideDurationName("fullscreen-auto-hide-duration", AtomString::ConstructFromLiteral);
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switch (property) {
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case ConstantProperty::SafeAreaInsetTop:
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return safeAreaInsetTopName;
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case ConstantProperty::SafeAreaInsetRight:
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return safeAreaInsetRightName;
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case ConstantProperty::SafeAreaInsetBottom:
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return safeAreaInsetBottomName;
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case ConstantProperty::SafeAreaInsetLeft:
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return safeAreaInsetLeftName;
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case ConstantProperty::FullscreenInsetTop:
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return fullscreenInsetTopName;
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case ConstantProperty::FullscreenInsetLeft:
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return fullscreenInsetLeftName;
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case ConstantProperty::FullscreenInsetBottom:
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return fullscreenInsetBottomName;
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case ConstantProperty::FullscreenInsetRight:
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return fullscreenInsetRightName;
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case ConstantProperty::FullscreenAutoHideDuration:
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return fullscreenAutoHideDurationName;
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}
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return nullAtom();
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}
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void ConstantPropertyMap::setValueForProperty(ConstantProperty property, Ref<CSSVariableData>&& data)
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{
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if (!m_values)
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buildValues();
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auto& name = nameForProperty(property);
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m_values->set(name, CSSCustomPropertyValue::createSyntaxAll(name, WTFMove(data)));
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}
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void ConstantPropertyMap::buildValues()
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{
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m_values = Values { };
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updateConstantsForSafeAreaInsets();
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updateConstantsForFullscreen();
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}
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static Ref<CSSVariableData> variableDataForPositivePixelLength(float lengthInPx)
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{
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ASSERT(lengthInPx >= 0);
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CSSParserToken token(lengthInPx, NumberValueType, NoSign, { });
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token.convertToDimensionWithUnit("px");
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Vector<CSSParserToken> tokens { token };
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CSSParserTokenRange tokenRange(tokens);
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return CSSVariableData::create(tokenRange);
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}
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static Ref<CSSVariableData> variableDataForPositiveDuration(Seconds durationInSeconds)
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{
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ASSERT(durationInSeconds >= 0_s);
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CSSParserToken token(durationInSeconds.value(), NumberValueType, NoSign, { });
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token.convertToDimensionWithUnit("s");
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Vector<CSSParserToken> tokens { token };
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CSSParserTokenRange tokenRange(tokens);
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return CSSVariableData::create(tokenRange);
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}
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void ConstantPropertyMap::updateConstantsForSafeAreaInsets()
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{
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FloatBoxExtent unobscuredSafeAreaInsets = m_document.page() ? m_document.page()->unobscuredSafeAreaInsets() : FloatBoxExtent();
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setValueForProperty(ConstantProperty::SafeAreaInsetTop, variableDataForPositivePixelLength(unobscuredSafeAreaInsets.top()));
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setValueForProperty(ConstantProperty::SafeAreaInsetRight, variableDataForPositivePixelLength(unobscuredSafeAreaInsets.right()));
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setValueForProperty(ConstantProperty::SafeAreaInsetBottom, variableDataForPositivePixelLength(unobscuredSafeAreaInsets.bottom()));
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setValueForProperty(ConstantProperty::SafeAreaInsetLeft, variableDataForPositivePixelLength(unobscuredSafeAreaInsets.left()));
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}
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void ConstantPropertyMap::didChangeSafeAreaInsets()
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{
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updateConstantsForSafeAreaInsets();
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m_document.invalidateMatchedPropertiesCacheAndForceStyleRecalc();
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}
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void ConstantPropertyMap::updateConstantsForFullscreen()
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{
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FloatBoxExtent fullscreenInsets = m_document.page() ? m_document.page()->fullscreenInsets() : FloatBoxExtent();
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setValueForProperty(ConstantProperty::FullscreenInsetTop, variableDataForPositivePixelLength(fullscreenInsets.top()));
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setValueForProperty(ConstantProperty::FullscreenInsetRight, variableDataForPositivePixelLength(fullscreenInsets.right()));
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setValueForProperty(ConstantProperty::FullscreenInsetBottom, variableDataForPositivePixelLength(fullscreenInsets.bottom()));
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setValueForProperty(ConstantProperty::FullscreenInsetLeft, variableDataForPositivePixelLength(fullscreenInsets.left()));
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Seconds fullscreenAutoHideDuration = m_document.page() ? m_document.page()->fullscreenAutoHideDuration() : 0_s;
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setValueForProperty(ConstantProperty::FullscreenAutoHideDuration, variableDataForPositiveDuration(fullscreenAutoHideDuration));
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}
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void ConstantPropertyMap::didChangeFullscreenInsets()
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{
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updateConstantsForFullscreen();
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m_document.invalidateMatchedPropertiesCacheAndForceStyleRecalc();
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}
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void ConstantPropertyMap::setFullscreenAutoHideDuration(Seconds duration)
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{
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setValueForProperty(ConstantProperty::FullscreenAutoHideDuration, variableDataForPositiveDuration(duration));
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m_document.invalidateMatchedPropertiesCacheAndForceStyleRecalc();
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}
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}
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