C++ (Cpp) SiblingData Examples

Example #1

File: StyleInvalidator.cpp Project: joone/chromium-crosswalk

ALWAYS_INLINE bool StyleInvalidator::checkInvalidationSetsAgainstElement(Element& element, RecursionData& recursionData, SiblingData& siblingData)
{
    if (element.styleChangeType() >= SubtreeStyleChange || recursionData.wholeSubtreeInvalid()) {
        recursionData.setWholeSubtreeInvalid();
        return false;
    }

    bool thisElementNeedsStyleRecalc = recursionData.matchesCurrentInvalidationSets(element);
    if (UNLIKELY(!siblingData.isEmpty()))
        thisElementNeedsStyleRecalc |= siblingData.matchCurrentInvalidationSets(element, recursionData);

    if (UNLIKELY(element.needsStyleInvalidation()))
        pushInvalidationSetsForElement(element, recursionData, siblingData);
    return thisElementNeedsStyleRecalc;
}

Example #2

File: StyleInvalidator.cpp Project: joone/chromium-crosswalk

bool StyleInvalidator::invalidate(Element& element, RecursionData& recursionData, SiblingData& siblingData)
{
    siblingData.advance();
    RecursionCheckpoint checkpoint(&recursionData);

    bool thisElementNeedsStyleRecalc = checkInvalidationSetsAgainstElement(element, recursionData, siblingData);

    bool someChildrenNeedStyleRecalc = false;
    if (recursionData.hasInvalidationSets() || element.childNeedsStyleInvalidation())
        someChildrenNeedStyleRecalc = invalidateChildren(element, recursionData);

    if (thisElementNeedsStyleRecalc) {
        ASSERT(!recursionData.wholeSubtreeInvalid());
        element.setNeedsStyleRecalc(LocalStyleChange, StyleChangeReasonForTracing::create(StyleChangeReason::StyleInvalidator));
    } else if (recursionData.hasInvalidationSets() && someChildrenNeedStyleRecalc) {
        // Clone the ComputedStyle in order to preserve correct style sharing, if possible. Otherwise recalc style.
        if (LayoutObject* layoutObject = element.layoutObject()) {
            layoutObject->setStyleInternal(ComputedStyle::clone(layoutObject->styleRef()));
        } else {
            TRACE_STYLE_INVALIDATOR_INVALIDATION_IF_ENABLED(element, PreventStyleSharingForParent);
            element.setNeedsStyleRecalc(LocalStyleChange, StyleChangeReasonForTracing::create(StyleChangeReason::StyleInvalidator));
        }
    }

    if (recursionData.insertionPointCrossing() && element.isInsertionPoint())
        element.setNeedsStyleRecalc(SubtreeStyleChange, StyleChangeReasonForTracing::create(StyleChangeReason::StyleInvalidator));

    element.clearChildNeedsStyleInvalidation();
    element.clearNeedsStyleInvalidation();

    return thisElementNeedsStyleRecalc;
}

Example #3

File: StyleInvalidator.cpp Project: joone/chromium-crosswalk

void StyleInvalidator::pushInvalidationSetsForElement(Element& element, RecursionData& recursionData, SiblingData& siblingData)
{
    PendingInvalidations* pendingInvalidations = m_pendingInvalidationMap.get(&element);
    ASSERT(pendingInvalidations);

    for (const auto& invalidationSet : pendingInvalidations->siblings())
        siblingData.pushInvalidationSet(toSiblingInvalidationSet(*invalidationSet));

    if (!pendingInvalidations->descendants().isEmpty()) {
        for (const auto& invalidationSet : pendingInvalidations->descendants())
            recursionData.pushInvalidationSet(toDescendantInvalidationSet(*invalidationSet));
        if (UNLIKELY(*s_tracingEnabled)) {
            TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline.invalidationTracking"),
                "StyleInvalidatorInvalidationTracking",
                TRACE_EVENT_SCOPE_THREAD,
                "data", InspectorStyleInvalidatorInvalidateEvent::invalidationList(element, pendingInvalidations->descendants()));
        }
    }
}

Example #4

File: StyleInvalidator.cpp Project: endlessm/chromium-browser

void StyleInvalidator::pushInvalidationSetsForContainerNode(ContainerNode& node, RecursionData& recursionData, SiblingData& siblingData)
{
    PendingInvalidations* pendingInvalidations = m_pendingInvalidationMap.get(&node);
    ASSERT(pendingInvalidations);

    for (const auto& invalidationSet : pendingInvalidations->siblings())
        siblingData.pushInvalidationSet(toSiblingInvalidationSet(*invalidationSet));

    if (node.getStyleChangeType() >= SubtreeStyleChange)
        return;

    if (!pendingInvalidations->descendants().isEmpty()) {
        for (const auto& invalidationSet : pendingInvalidations->descendants())
            recursionData.pushInvalidationSet(*invalidationSet);
        if (UNLIKELY(*s_tracingEnabled)) {
            TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline.invalidationTracking"),
                "StyleInvalidatorInvalidationTracking",
                TRACE_EVENT_SCOPE_THREAD,
                "data", InspectorStyleInvalidatorInvalidateEvent::invalidationList(node, pendingInvalidations->descendants()));
        }
    }
}