C++ (Cpp) requiresCompositingForOutOfFlowClipping Exemples

Exemple #1

Fichier : CompositingReasonFinder.cpp Projet : junmin-zhu/blink

CompositingReasons CompositingReasonFinder::nonStyleDeterminedDirectReasons(const RenderLayer* layer, bool* needToRecomputeCompositingRequirements) const
{
    CompositingReasons directReasons = CompositingReasonNone;
    RenderObject* renderer = layer->renderer();

    if (requiresCompositingForAnimation(renderer))
        directReasons |= CompositingReasonActiveAnimation;

    if (m_renderView.compositorDrivenAcceleratedScrollingEnabled()) {
        if (requiresCompositingForOutOfFlowClipping(layer))
            directReasons |= CompositingReasonOutOfFlowClipping;

        if (requiresCompositingForOverflowScrollingParent(layer))
            directReasons |= CompositingReasonOverflowScrollingParent;
    }

    if (requiresCompositingForOverflowScrolling(layer))
        directReasons |= CompositingReasonOverflowScrollingTouch;

    if (requiresCompositingForPosition(renderer, layer, 0, needToRecomputeCompositingRequirements))
        directReasons |= renderer->style()->position() == FixedPosition ? CompositingReasonPositionFixed : CompositingReasonPositionSticky;

    directReasons |= renderer->additionalCompositingReasons(m_compositingTriggers);

    ASSERT(!(directReasons & CompositingReasonComboAllStyleDeterminedReasons));
    return directReasons;
}

Exemple #2

Fichier : CompositingReasonFinder.cpp Projet : ericwilligers/blink

CompositingReasons CompositingReasonFinder::nonStyleDeterminedDirectReasons(const RenderLayer* layer, bool* needToRecomputeCompositingRequirements) const
{
    CompositingReasons directReasons = CompositingReasonNone;
    RenderObject* renderer = layer->renderer();

    if (hasOverflowScrollTrigger()) {
        if (requiresCompositingForOutOfFlowClipping(layer))
            directReasons |= CompositingReasonOutOfFlowClipping;

        if (requiresCompositingForOverflowScrollingParent(layer))
            directReasons |= CompositingReasonOverflowScrollingParent;
    }

    if (requiresCompositingForOverflowScrolling(layer))
        directReasons |= CompositingReasonOverflowScrollingTouch;

    if (requiresCompositingForPositionSticky(renderer, layer))
        directReasons |= CompositingReasonPositionSticky;

    if (requiresCompositingForPositionFixed(renderer, layer, 0, needToRecomputeCompositingRequirements))
        directReasons |= CompositingReasonPositionFixed;

    directReasons |= renderer->additionalCompositingReasons(m_compositingTriggers);

    ASSERT(!(directReasons & CompositingReasonComboAllStyleDeterminedReasons));
    return directReasons;
}