LayoutRect SVGInlineTextBox::localSelectionRect(unsigned startPosition, unsigned endPosition) const
{
startPosition = clampedOffset(startPosition);
endPosition = clampedOffset(endPosition);
if (startPosition >= endPosition)
return LayoutRect();
auto& style = renderer().style();
AffineTransform fragmentTransform;
FloatRect selectionRect;
unsigned fragmentStartPosition = 0;
unsigned fragmentEndPosition = 0;
unsigned textFragmentsSize = m_textFragments.size();
for (unsigned i = 0; i < textFragmentsSize; ++i) {
const SVGTextFragment& fragment = m_textFragments.at(i);
fragmentStartPosition = startPosition;
fragmentEndPosition = endPosition;
if (!mapStartEndPositionsIntoFragmentCoordinates(fragment, fragmentStartPosition, fragmentEndPosition))
continue;
FloatRect fragmentRect = selectionRectForTextFragment(fragment, fragmentStartPosition, fragmentEndPosition, &style);
fragment.buildFragmentTransform(fragmentTransform);
if (!fragmentTransform.isIdentity())
fragmentRect = fragmentTransform.mapRect(fragmentRect);
selectionRect.unite(fragmentRect);
}
return enclosingIntRect(selectionRect);
}
FloatPoint PinchViewport::clampOffsetToBoundaries(const FloatPoint& offset)
{
FloatPoint clampedOffset(offset);
clampedOffset = clampedOffset.shrunkTo(FloatPoint(maximumScrollPosition()));
clampedOffset = clampedOffset.expandedTo(FloatPoint(minimumScrollPosition()));
return clampedOffset;
}
void PinchViewport::setLocation(const FloatPoint& newLocation)
{
FloatPoint clampedOffset(clampOffsetToBoundaries(newLocation));
if (clampedOffset == m_offset)
return;
m_offset = clampedOffset;
ScrollingCoordinator* coordinator = m_frameHost.page().scrollingCoordinator();
ASSERT(coordinator);
coordinator->scrollableAreaScrollLayerDidChange(this);
mainFrame()->loader().saveScrollState();
}
void VisualViewport::setScaleAndLocation(float scale, const FloatPoint& location)
{
if (!mainFrame())
return;
bool valuesChanged = false;
if (scale != m_scale) {
m_scale = scale;
valuesChanged = true;
frameHost().chromeClient().pageScaleFactorChanged();
}
FloatPoint clampedOffset(clampOffsetToBoundaries(location));
if (clampedOffset != m_offset) {
m_offset = clampedOffset;
scrollAnimator()->setCurrentPosition(m_offset);
// SVG runs with accelerated compositing disabled so no ScrollingCoordinator.
if (ScrollingCoordinator* coordinator = frameHost().page().scrollingCoordinator())
coordinator->scrollableAreaScrollLayerDidChange(this);
if (!frameHost().settings().inertVisualViewport()) {
if (Document* document = mainFrame()->document())
document->enqueueScrollEventForNode(document);
}
mainFrame()->loader().client()->didChangeScrollOffset();
valuesChanged = true;
}
if (!valuesChanged)
return;
InspectorInstrumentation::didUpdateLayout(mainFrame());
mainFrame()->loader().saveScrollState();
clampToBoundaries();
}