void
nsProgressFrame::ReflowBarFrame(nsIFrame* aBarFrame,
nsPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
nsHTMLReflowState reflowState(aPresContext, aReflowState, aBarFrame,
nsSize(aReflowState.ComputedWidth(),
NS_UNCONSTRAINEDSIZE));
nscoord width = aReflowState.ComputedWidth();
nscoord xoffset = aReflowState.mComputedBorderPadding.left;
nscoord yoffset = aReflowState.mComputedBorderPadding.top;
double position;
nsCOMPtr<nsIDOMHTMLProgressElement> progressElement =
do_QueryInterface(mContent);
progressElement->GetPosition(&position);
// Force the bar's width to match the current progress.
// When indeterminate, the progress' width will be 100%.
if (position >= 0.0) {
width *= position;
}
if (GetStyleVisibility()->mDirection == NS_STYLE_DIRECTION_RTL) {
xoffset += aReflowState.ComputedWidth() - width;
}
// The bar width is fixed in these cases:
// - the progress position is determined: the bar width is fixed according
// to it's value.
// - the progress position is indeterminate and the bar appearance should be
// shown as native: the bar width is forced to 100%.
// Otherwise (when the progress is indeterminate and the bar appearance isn't
// native), the bar width isn't fixed and can be set by the author.
if (position != -1 || ShouldUseNativeStyle()) {
width -= reflowState.mComputedMargin.LeftRight() +
reflowState.mComputedBorderPadding.LeftRight();
width = NS_MAX(width, 0);
reflowState.SetComputedWidth(width);
}
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);
}
void
nsProgressFrame::ReflowBarFrame(nsIFrame* aBarFrame,
nsPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
bool vertical = GetStyleDisplay()->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;
double position;
nsCOMPtr<nsIDOMHTMLProgressElement> progressElement =
do_QueryInterface(mContent);
progressElement->GetPosition(&position);
// Force the bar's size to match the current progress.
// When indeterminate, the progress' size will be 100%.
if (position >= 0.0) {
size *= position;
}
if (!vertical && GetStyleVisibility()->mDirection == NS_STYLE_DIRECTION_RTL) {
xoffset += aReflowState.ComputedWidth() - size;
}
// The bar size is fixed in these cases:
// - the progress position is determined: the bar size is fixed according
// to it's value.
// - the progress position is indeterminate and the bar appearance should be
// shown as native: the bar size is forced to 100%.
// Otherwise (when the progress is indeterminate and the bar appearance isn't
// native), the bar size isn't fixed and can be set by the author.
if (position != -1 || ShouldUseNativeStyle()) {
if (vertical) {
// We want the bar to begin at the bottom.
yoffset += aReflowState.ComputedHeight() - size;
size -= reflowState.mComputedMargin.TopBottom() +
reflowState.mComputedBorderPadding.TopBottom();
size = NS_MAX(size, 0);
reflowState.SetComputedHeight(size);
} else {
size -= reflowState.mComputedMargin.LeftRight() +
reflowState.mComputedBorderPadding.LeftRight();
size = NS_MAX(size, 0);
reflowState.SetComputedWidth(size);
}
} else if (vertical) {
// For vertical progress bars, we need to position the bar specificly when
// the width isn't constrained (position == -1 and !ShouldUseNativeStyle())
// because aReflowState.ComputedHeight() - size == 0.
yoffset += aReflowState.ComputedHeight() - reflowState.ComputedHeight();
}
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);
}
