IntRect RenderReplaced::selectionRect(bool clipToVisibleContent)
{
ASSERT(!needsLayout());
if (!isSelected())
return IntRect();
if (!m_inlineBoxWrapper)
// We're a block-level replaced element. Just return our own dimensions.
return absoluteBoundingBoxRect();
RenderBlock* cb = containingBlock();
if (!cb)
return IntRect();
RootInlineBox* root = m_inlineBoxWrapper->root();
IntRect rect(0, root->selectionTop() - yPos(), width(), root->selectionHeight());
if (clipToVisibleContent)
computeAbsoluteRepaintRect(rect);
else {
int absx, absy;
absolutePositionForContent(absx, absy);
rect.move(absx, absy);
}
return rect;
}
IntRect RenderReplaced::selectionRect()
{
if (!isSelected())
return IntRect();
if (!m_inlineBoxWrapper)
// We're a block-level replaced element. Just return our own dimensions.
return absoluteBoundingBoxRect();
RenderBlock* cb = containingBlock();
if (!cb)
return IntRect();
RootInlineBox* root = m_inlineBoxWrapper->root();
int selectionTop = root->selectionTop();
int selectionHeight = root->selectionHeight();
int selectionLeft = xPos();
int selectionRight = xPos() + width();
int absx, absy;
cb->absolutePosition(absx, absy);
if (cb->hasOverflowClip())
cb->layer()->subtractScrollOffset(absx, absy);
return IntRect(selectionLeft + absx, selectionTop + absy, selectionRight - selectionLeft, selectionHeight);
}
void RenderTextTrackCue::moveIfNecessaryToKeepWithinContainer()
{
IntRect containerRect = containingBlock()->absoluteBoundingBoxRect();
IntRect cueRect = absoluteBoundingBoxRect();
int topOverflow = cueRect.y() - containerRect.y();
int bottomOverflow = containerRect.maxY() - cueRect.maxY();
int verticalAdjustment = 0;
if (topOverflow < 0)
verticalAdjustment = -topOverflow;
else if (bottomOverflow < 0)
verticalAdjustment = bottomOverflow;
if (verticalAdjustment)
setY(y() + verticalAdjustment);
int leftOverflow = cueRect.x() - containerRect.x();
int rightOverflow = containerRect.maxX() - cueRect.maxX();
int horizontalAdjustment = 0;
if (leftOverflow < 0)
horizontalAdjustment = -leftOverflow;
else if (rightOverflow < 0)
horizontalAdjustment = rightOverflow;
if (horizontalAdjustment)
setX(x() + horizontalAdjustment);
}
bool RenderVTTCue::isOverlapping() const
{
for (RenderObject* box = previousSibling(); box; box = box->previousSibling()) {
IntRect boxRect = box->absoluteBoundingBoxRect();
if (absoluteBoundingBoxRect().intersects(boxRect))
return true;
}
return false;
}
void RenderVTTCue::repositionCueSnapToLinesSet()
{
InlineFlowBox* firstLineBox;
LayoutUnit step;
LayoutUnit position;
if (!findFirstLineBox(firstLineBox))
return;
if (!initializeLayoutParameters(firstLineBox, step, position))
return;
bool switched;
placeBoxInDefaultPosition(position, switched);
// 11. Step loop: If none of the boxes in boxes would overlap any of the boxes
// in output and all the boxes in output are within the video's rendering area
// then jump to the step labeled done positioning.
while (isOutside() || isOverlapping()) {
if (!shouldSwitchDirection(firstLineBox, step)) {
// 13. Move all the boxes in boxes ...
// 14. Jump back to the step labeled step loop.
moveBoxesByStep(step);
} else if (!switchDirection(switched, step)) {
break;
}
// 19. Jump back to the step labeled step loop.
}
// Acommodate extra top and bottom padding, border or margin.
// Note: this is supported only for internal UA styling, not through the cue selector.
if (hasInlineDirectionBordersPaddingOrMargin()) {
IntRect containerRect = containingBlock()->absoluteBoundingBoxRect();
IntRect cueRect = absoluteBoundingBoxRect();
int topOverflow = cueRect.y() - containerRect.y();
int bottomOverflow = containerRect.y() + containerRect.height() - cueRect.y() - cueRect.height();
int adjustment = 0;
if (topOverflow < 0)
adjustment = -topOverflow;
else if (bottomOverflow < 0)
adjustment = bottomOverflow;
if (adjustment)
setY(y() + adjustment);
}
}
bool RenderTextTrackCue::findNonOverlappingPosition(int& newX, int& newY) const
{
newX = x();
newY = y();
IntRect srcRect = absoluteBoundingBoxRect();
IntRect destRect = srcRect;
// Move the box up, looking for a non-overlapping position:
while (RenderObject* box = overlappingObjectForRect(destRect)) {
if (m_cue->getWritingDirection() == TextTrackCue::Horizontal)
destRect.setY(box->absoluteBoundingBoxRect().y() - destRect.height());
else
destRect.setX(box->absoluteBoundingBoxRect().x() - destRect.width());
}
if (rectIsWithinContainer(destRect)) {
newX += destRect.x() - srcRect.x();
newY += destRect.y() - srcRect.y();
return true;
}
destRect = srcRect;
// Move the box down, looking for a non-overlapping position:
while (RenderObject* box = overlappingObjectForRect(destRect)) {
if (m_cue->getWritingDirection() == TextTrackCue::Horizontal)
destRect.setY(box->absoluteBoundingBoxRect().maxY());
else
destRect.setX(box->absoluteBoundingBoxRect().maxX());
}
if (rectIsWithinContainer(destRect)) {
newX += destRect.x() - srcRect.x();
newY += destRect.y() - srcRect.y();
return true;
}
return false;
}
void LayoutVTTCue::adjustForTopAndBottomMarginBorderAndPadding()
{
// Accommodate extra top and bottom padding, border or margin.
// Note: this is supported only for internal UA styling, not through the cue selector.
if (!hasInlineDirectionBordersPaddingOrMargin())
return;
IntRect containerRect = containingBlock()->absoluteBoundingBoxRect();
IntRect cueRect = absoluteBoundingBoxRect();
int topOverflow = cueRect.y() - containerRect.y();
int bottomOverflow = containerRect.y() + containerRect.height() - cueRect.y() - cueRect.height();
int adjustment = 0;
if (topOverflow < 0)
adjustment = -topOverflow;
else if (bottomOverflow < 0)
adjustment = bottomOverflow;
if (!adjustment)
return;
setY(location().y() + adjustment);
}
RenderObject* RenderTextTrackCue::overlappingObject() const
{
return overlappingObjectForRect(absoluteBoundingBoxRect());
}