void nsMeterFrame::ReflowBarFrame(nsIFrame* aBarFrame, nsPresContext* aPresContext, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus) { bool vertical = ResolvedOrientationIsVertical(); WritingMode wm = aBarFrame->GetWritingMode(); LogicalSize availSize = aReflowState.ComputedSize(wm); availSize.BSize(wm) = NS_UNCONSTRAINEDSIZE; nsHTMLReflowState reflowState(aPresContext, aReflowState, aBarFrame, availSize); nscoord size = vertical ? aReflowState.ComputedHeight() : aReflowState.ComputedWidth(); nscoord xoffset = aReflowState.ComputedPhysicalBorderPadding().left; nscoord yoffset = aReflowState.ComputedPhysicalBorderPadding().top; // NOTE: Introduce a new function getPosition in the content part ? HTMLMeterElement* meterElement = static_cast<HTMLMeterElement*>(mContent); double max = meterElement->Max(); double min = meterElement->Min(); double value = meterElement->Value(); double position = max - min; position = position != 0 ? (value - min) / position : 1; size = NSToCoordRound(size * position); if (!vertical && (wm.IsVertical() ? wm.IsVerticalRL() : !wm.IsBidiLTR())) { xoffset += aReflowState.ComputedWidth() - size; } // The bar position is *always* constrained. if (vertical) { // We want the bar to begin at the bottom. yoffset += aReflowState.ComputedHeight() - size; size -= reflowState.ComputedPhysicalMargin().TopBottom() + reflowState.ComputedPhysicalBorderPadding().TopBottom(); size = std::max(size, 0); reflowState.SetComputedHeight(size); } else { size -= reflowState.ComputedPhysicalMargin().LeftRight() + reflowState.ComputedPhysicalBorderPadding().LeftRight(); size = std::max(size, 0); reflowState.SetComputedWidth(size); } xoffset += reflowState.ComputedPhysicalMargin().left; yoffset += reflowState.ComputedPhysicalMargin().top; nsHTMLReflowMetrics barDesiredSize(reflowState); ReflowChild(aBarFrame, aPresContext, barDesiredSize, reflowState, xoffset, yoffset, 0, aStatus); FinishReflowChild(aBarFrame, aPresContext, barDesiredSize, &reflowState, xoffset, yoffset, 0); }
void nsMeterFrame::ReflowBarFrame(nsIFrame* aBarFrame, nsPresContext* aPresContext, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus) { bool vertical = StyleDisplay()->mOrient == NS_STYLE_ORIENT_VERTICAL; nsHTMLReflowState reflowState(aPresContext, aReflowState, aBarFrame, nsSize(aReflowState.ComputedWidth(), NS_UNCONSTRAINEDSIZE)); nscoord size = vertical ? aReflowState.ComputedHeight() : aReflowState.ComputedWidth(); nscoord xoffset = aReflowState.mComputedBorderPadding.left; nscoord yoffset = aReflowState.mComputedBorderPadding.top; // NOTE: Introduce a new function getPosition in the content part ? HTMLMeterElement* meterElement = static_cast<HTMLMeterElement*>(mContent); double max = meterElement->Max(); double min = meterElement->Min(); double value = meterElement->Value(); double position = max - min; position = position != 0 ? (value - min) / position : 1; size = NSToCoordRound(size * position); if (!vertical && StyleVisibility()->mDirection == NS_STYLE_DIRECTION_RTL) { xoffset += aReflowState.ComputedWidth() - size; } // The bar position is *always* constrained. if (vertical) { // We want the bar to begin at the bottom. yoffset += aReflowState.ComputedHeight() - size; size -= reflowState.mComputedMargin.TopBottom() + reflowState.mComputedBorderPadding.TopBottom(); size = std::max(size, 0); reflowState.SetComputedHeight(size); } else { size -= reflowState.mComputedMargin.LeftRight() + reflowState.mComputedBorderPadding.LeftRight(); size = std::max(size, 0); reflowState.SetComputedWidth(size); } xoffset += reflowState.mComputedMargin.left; yoffset += reflowState.mComputedMargin.top; nsHTMLReflowMetrics barDesiredSize; ReflowChild(aBarFrame, aPresContext, barDesiredSize, reflowState, xoffset, yoffset, 0, aStatus); FinishReflowChild(aBarFrame, aPresContext, &reflowState, barDesiredSize, xoffset, yoffset, 0); }