コード例 #1
0
ファイル: StyleBuilderCustom.cpp プロジェクト: krockot/mojo
void StyleBuilderFunctions::applyValueCSSPropertyDirection(StyleResolverState& state, CSSValue* value)
{
    state.style()->setDirection(*toCSSPrimitiveValue(value));
    Element* element = state.element();
    if (element && element == element->document().documentElement())
        element->document().setDirectionSetOnDocumentElement(true);
}
コード例 #2
0
void DeferredLegacyStyleInterpolation::apply(StyleResolverState& state) const
{
    RefPtrWillBeRawPtr<LegacyStyleInterpolation> innerInterpolation = LegacyStyleInterpolation::create(
        StyleResolver::createAnimatableValueSnapshot(*state.element(), m_id, *m_startCSSValue, *state.style()),
        StyleResolver::createAnimatableValueSnapshot(*state.element(), m_id, *m_endCSSValue, *state.style()),
        m_id);
    innerInterpolation->interpolate(m_cachedIteration, m_cachedFraction);
    innerInterpolation->apply(state);
}
コード例 #3
0
ファイル: StyleResolver.cpp プロジェクト: ksimbili/sky_engine
void StyleResolver::applyMatchedProperties(StyleResolverState& state, const MatchResult& matchResult)
{
    const Element* element = state.element();
    ASSERT(element);

    INCREMENT_STYLE_STATS_COUNTER(*this, matchedPropertyApply);

    unsigned cacheHash = matchResult.isCacheable ? computeMatchedPropertiesHash(matchResult.matchedProperties.data(), matchResult.matchedProperties.size()) : 0;
    bool applyInheritedOnly = false;
    const CachedMatchedProperties* cachedMatchedProperties = cacheHash ? m_matchedPropertiesCache.find(cacheHash, state, matchResult) : 0;

    if (cachedMatchedProperties && MatchedPropertiesCache::isCacheable(element, state.style(), state.parentStyle())) {
        INCREMENT_STYLE_STATS_COUNTER(*this, matchedPropertyCacheHit);
        // We can build up the style by copying non-inherited properties from an earlier style object built using the same exact
        // style declarations. We then only need to apply the inherited properties, if any, as their values can depend on the
        // element context. This is fast and saves memory by reusing the style data structures.
        state.style()->copyNonInheritedFrom(cachedMatchedProperties->renderStyle.get());
        if (state.parentStyle()->inheritedDataShared(cachedMatchedProperties->parentRenderStyle.get()) &&
            (state.style()->userModify() == READ_ONLY)) {
            INCREMENT_STYLE_STATS_COUNTER(*this, matchedPropertyCacheInheritedHit);

            // If the cache item parent style has identical inherited properties to the current parent style then the
            // resulting style will be identical too. We copy the inherited properties over from the cache and are done.
            state.style()->inheritFrom(cachedMatchedProperties->renderStyle.get());

            return;
        }
        applyInheritedOnly = true;
    }

    state.setLineHeightValue(0);
    applyMatchedProperties<HighPriorityProperties>(state, matchResult, applyInheritedOnly);

    // If our font got dirtied, go ahead and update it now.
    updateFont(state);

    // Line-height is set when we are sure we decided on the font-size.
    if (state.lineHeightValue())
        StyleBuilder::applyProperty(CSSPropertyLineHeight, state, state.lineHeightValue());

    // Many properties depend on the font. If it changes we just apply all properties.
    if (cachedMatchedProperties && cachedMatchedProperties->renderStyle->fontDescription() != state.style()->fontDescription())
        applyInheritedOnly = false;

    applyMatchedProperties<LowPriorityProperties>(state, matchResult, applyInheritedOnly);

    if (!cachedMatchedProperties && cacheHash && MatchedPropertiesCache::isCacheable(element, state.style(), state.parentStyle())) {
        INCREMENT_STYLE_STATS_COUNTER(*this, matchedPropertyCacheAdded);
        m_matchedPropertiesCache.add(state.style(), state.parentStyle(), cacheHash, matchResult);
    }

    ASSERT(!state.fontBuilder().fontDirty());
}
コード例 #4
0
void DeferredLegacyStyleInterpolation::apply(StyleResolverState& state) const
{
    if (m_outdated || !state.element()->elementAnimations() || !state.element()->elementAnimations()->isAnimationStyleChange()) {
        RefPtr<AnimatableValue> startAnimatableValue;
        RefPtr<AnimatableValue> endAnimatableValue;

        // Snapshot underlying values for neutral keyframes first because non-neutral keyframes will mutate the StyleResolverState.
        if (!m_endCSSValue) {
            endAnimatableValue = StyleResolver::createAnimatableValueSnapshot(state, m_id, m_endCSSValue.get());
            startAnimatableValue = StyleResolver::createAnimatableValueSnapshot(state, m_id, m_startCSSValue.get());
        } else {
            startAnimatableValue = StyleResolver::createAnimatableValueSnapshot(state, m_id, m_startCSSValue.get());
            endAnimatableValue = StyleResolver::createAnimatableValueSnapshot(state, m_id, m_endCSSValue.get());
        }

        m_innerInterpolation = LegacyStyleInterpolation::create(startAnimatableValue, endAnimatableValue, m_id);
        m_outdated = false;
    }

    m_innerInterpolation->interpolate(m_cachedIteration, m_cachedFraction);
    m_innerInterpolation->apply(state);
}
コード例 #5
0
void StyleBuilderFunctions::applyValueCSSPropertyCursor(StyleResolverState& state, CSSValue* value)
{
    state.style()->clearCursorList();
    if (value->isValueList()) {
        CSSValueList* list = toCSSValueList(value);
        int len = list->length();
        state.style()->setCursor(CURSOR_AUTO);
        for (int i = 0; i < len; i++) {
            CSSValue* item = list->item(i);
            if (item->isCursorImageValue()) {
                CSSCursorImageValue* image = toCSSCursorImageValue(item);
                if (image->updateIfSVGCursorIsUsed(state.element())) // Elements with SVG cursors are not allowed to share style.
                    state.style()->setUnique();
                state.style()->addCursor(state.styleImage(CSSPropertyCursor, image), image->hotSpotSpecified(), image->hotSpot());
            } else {
                state.style()->setCursor(*toCSSPrimitiveValue(item));
            }
        }
    } else {
        state.style()->setCursor(*toCSSPrimitiveValue(value));
    }
}
AtomicString StyleBuilderConverter::convertFragmentIdentifier(StyleResolverState& state, CSSValue* value)
{
    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
    if (primitiveValue->isURI())
        return SVGURIReference::fragmentIdentifierFromIRIString(primitiveValue->getStringValue(), state.element()->treeScope());
    return nullAtom;
}
コード例 #7
0
void StyleBuilderFunctions::applyValueCSSPropertyContent(StyleResolverState& state, CSSValue* value)
{
    // list of string, uri, counter, attr, i

    bool didSet = false;
    for (auto& item : toCSSValueList(*value)) {
        if (item->isImageGeneratorValue()) {
            state.style()->setContent(StyleGeneratedImage::create(toCSSImageGeneratorValue(item.get())), didSet);
            didSet = true;
        } else if (item->isImageSetValue()) {
            state.style()->setContent(state.elementStyleResources().setOrPendingFromValue(CSSPropertyContent, toCSSImageSetValue(item.get())), didSet);
            didSet = true;
        }

        if (item->isImageValue()) {
            state.style()->setContent(state.elementStyleResources().cachedOrPendingFromValue(state.document(), CSSPropertyContent, toCSSImageValue(item.get())), didSet);
            didSet = true;
            continue;
        }

        if (item->isCounterValue()) {
            CSSCounterValue* counterValue = toCSSCounterValue(item.get());
            EListStyleType listStyleType = NoneListStyle;
            CSSValueID listStyleIdent = counterValue->listStyle();
            if (listStyleIdent != CSSValueNone)
                listStyleType = static_cast<EListStyleType>(listStyleIdent - CSSValueDisc);
            OwnPtr<CounterContent> counter = adoptPtr(new CounterContent(AtomicString(counterValue->identifier()), listStyleType, AtomicString(counterValue->separator())));
            state.style()->setContent(counter.release(), didSet);
            didSet = true;
        }

        if (item->isFunctionValue()) {
            CSSFunctionValue* functionValue = toCSSFunctionValue(item.get());
            ASSERT(functionValue->functionType() == CSSValueAttr);
            // FIXME: Can a namespace be specified for an attr(foo)?
            if (state.style()->styleType() == NOPSEUDO)
                state.style()->setUnique();
            else
                state.parentStyle()->setUnique();
            QualifiedName attr(nullAtom, AtomicString(toCSSPrimitiveValue(functionValue->item(0))->getStringValue()), nullAtom);
            const AtomicString& value = state.element()->getAttribute(attr);
            state.style()->setContent(value.isNull() ? emptyString() : value.string(), didSet);
            didSet = true;
        }

        if (!item->isPrimitiveValue())
            continue;

        CSSPrimitiveValue* contentValue = toCSSPrimitiveValue(item.get());

        if (contentValue->isString()) {
            state.style()->setContent(contentValue->getStringValue().impl(), didSet);
            didSet = true;
        } else {
            switch (contentValue->getValueID()) {
            case CSSValueOpenQuote:
                state.style()->setContent(OPEN_QUOTE, didSet);
                didSet = true;
                break;
            case CSSValueCloseQuote:
                state.style()->setContent(CLOSE_QUOTE, didSet);
                didSet = true;
                break;
            case CSSValueNoOpenQuote:
                state.style()->setContent(NO_OPEN_QUOTE, didSet);
                didSet = true;
                break;
            case CSSValueNoCloseQuote:
                state.style()->setContent(NO_CLOSE_QUOTE, didSet);
                didSet = true;
                break;
            default:
                // normal and none do not have any effect.
                { }
            }
        }
    }
    if (!didSet)
        state.style()->clearContent();
}