Method updateCalculatedFrame

valdi/src/valdi/runtime/Context/ViewNode.cpp:2377–2417

    return *_scrollState;
}

void ViewNode::setViewFrameNeedsUpdate() {
    _flags[kNeedsFrameUpdateFlag] = true;
}

bool ViewNode::updateCalculatedFrame(float viewOffsetX,
                                     float viewOffsetY,
                                     float rtlOffsetX,
                                     bool* calculatedFrameDidChange,
                                     bool* calculatedSizeDidChange) {
    auto newFrame = ygNodeGetFrame(_yogaNode, rtlOffsetX);
    auto newViewFrame = newFrame.withOffset(viewOffsetX, viewOffsetY);

    auto hasNewLayout = resolveYogaNode(_yogaNode)->getHasNewLayout();
    auto hadLayout = _flags[kLayoutDidCompleteOnceFlag];
    auto layoutIsRightToLeft = isRightToLeft();

    if (!hadLayout || _calculatedFrame != newFrame) {
        *calculatedSizeDidChange =
            _calculatedFrame.width != newFrame.width || _calculatedFrame.height != newFrame.height;
        *calculatedFrameDidChange = true;
        _calculatedFrame = newFrame;

        setCalculatedViewportNeedsUpdate();
        hasNewLayout = true;
    }

    if (!hadLayout || _viewFrame != newViewFrame || layoutIsRightToLeft != _flags[kLayoutIsRightToLeft]) {
        _previousViewFrame = _viewFrame;
        _viewFrame = newViewFrame;
        _flags[kLayoutIsRightToLeft] = layoutIsRightToLeft;

        setViewFrameNeedsUpdate();
        hasNewLayout = true;
    }

    if (!hasNewLayout) {
        return false;
    }

    _flags[kLayoutDidCompleteOnceFlag] = true;

    resolveYogaNode(_yogaNode)->setHasNewLayout(false);