void RenderView::layout()
{
layoutCounter.startCounting();
if (printing())
m_minPrefWidth = m_maxPrefWidth = m_width;
// Use calcWidth/Height to get the new width/height, since this will take the full page zoom factor into account.
bool relayoutChildren = !printing() && (!m_frameView || m_width != viewWidth() || m_height != viewHeight());
if (relayoutChildren) {
setChildNeedsLayout(true, false);
for (RenderObject* child = firstChild(); child; child = child->nextSibling()) {
if (child->style()->height().isPercent() || child->style()->minHeight().isPercent() || child->style()->maxHeight().isPercent())
child->setChildNeedsLayout(true, false);
}
}
ASSERT(!m_layoutState);
LayoutState state;
IntRect viewRectangle = viewRect();
// An empty rect is not valid viewRect.
state.m_clipped = !viewRectangle.isEmpty();
if (state.m_clipped) {
state.m_clipRect = IntRect(IntPoint(0, 0), viewRectangle.size());
state.m_offset = IntSize(viewRectangle.x(), viewRectangle.y());
}
m_layoutState = &state;
if (needsLayout())
RenderBlock::layout();
// Ensure that docWidth() >= width() and docHeight() >= height().
setOverflowWidth(m_width);
setOverflowHeight(m_height);
setOverflowWidth(docWidth());
setOverflowHeight(docHeight());
ASSERT(m_layoutStateDisableCount == 0);
ASSERT(m_layoutState == &state);
m_layoutState = 0;
setNeedsLayout(false);
layoutCounter.stopCounting();
}
void RenderView::layout()
{
if (printing())
m_minPrefWidth = m_maxPrefWidth = width();
// Use calcWidth/Height to get the new width/height, since this will take the full page zoom factor into account.
bool relayoutChildren = !printing() && (!m_frameView || width() != viewWidth() || height() != viewHeight());
if (relayoutChildren) {
setChildNeedsLayout(true, false);
for (RenderObject* child = firstChild(); child; child = child->nextSibling()) {
if (child->style()->height().isPercent() || child->style()->minHeight().isPercent() || child->style()->maxHeight().isPercent())
child->setChildNeedsLayout(true, false);
}
}
ASSERT(!m_layoutState);
LayoutState state;
// FIXME: May be better to push a clip and avoid issuing offscreen repaints.
state.m_clipped = false;
m_layoutState = &state;
if (needsLayout())
RenderBlock::layout();
// Reset overflowWidth and overflowHeight, since they act as a lower bound for docWidth() and docHeight().
setOverflowWidth(width());
setOverflowHeight(height());
setOverflowWidth(docWidth());
setOverflowHeight(docHeight());
ASSERT(layoutDelta() == IntSize());
ASSERT(m_layoutStateDisableCount == 0);
ASSERT(m_layoutState == &state);
m_layoutState = 0;
setNeedsLayout(false);
}
void RenderScrollbarPart::paintIntoRect(GraphicsContext* graphicsContext, int tx, int ty, const IntRect& rect)
{
// Make sure our dimensions match the rect.
setLocation(rect.x() - tx, rect.y() - ty);
setWidth(rect.width());
setHeight(rect.height());
setOverflowWidth(max(rect.width(), overflowWidth()));
setOverflowHeight(max(rect.height(), overflowHeight()));
if (graphicsContext->paintingDisabled())
return;
// Now do the paint.
RenderObject::PaintInfo paintInfo(graphicsContext, rect, PaintPhaseBlockBackground, false, 0, 0);
paint(paintInfo, tx, ty);
paintInfo.phase = PaintPhaseChildBlockBackgrounds;
paint(paintInfo, tx, ty);
paintInfo.phase = PaintPhaseFloat;
paint(paintInfo, tx, ty);
paintInfo.phase = PaintPhaseForeground;
paint(paintInfo, tx, ty);
paintInfo.phase = PaintPhaseOutline;
paint(paintInfo, tx, ty);
}
