/* virtual */ nsSize
nsPlaceholderFrame::GetPrefSize(nsBoxLayoutState& aBoxLayoutState)
{
nsSize size(0, 0);
DISPLAY_PREF_SIZE(this, size);
return size;
}
nsSize
nsListItemFrame::GetPrefSize(nsBoxLayoutState& aState)
{
nsSize size = nsBoxFrame::GetPrefSize(aState);
DISPLAY_PREF_SIZE(this, size);
// guarantee that our preferred height doesn't exceed the standard
// listbox row height
size.height = NS_MAX(mRect.height, size.height);
return size;
}
/**
* Ok return our dimensions
*/
nsSize
nsTextBoxFrame::GetPrefSize(nsBoxLayoutState& aBoxLayoutState)
{
CalcTextSize(aBoxLayoutState);
nsSize size = mTextSize;
DISPLAY_PREF_SIZE(this, size);
AddBorderAndPadding(size);
nsIBox::AddCSSPrefSize(aBoxLayoutState, this, size);
return size;
}
nsSize
nsBox::GetPrefSize(nsBoxLayoutState& aState)
{
NS_ASSERTION(aState.GetRenderingContext(), "must have rendering context");
nsSize pref(0,0);
DISPLAY_PREF_SIZE(this, pref);
if (IsCollapsed(aState))
return pref;
AddBorderAndPadding(pref);
nsIBox::AddCSSPrefSize(aState, this, pref);
nsSize minSize = GetMinSize(aState);
nsSize maxSize = GetMaxSize(aState);
return BoundsCheck(minSize, pref, maxSize);
}
nsSize
nsMenuFrame::GetPrefSize(nsBoxLayoutState& aState)
{
nsSize size = nsBoxFrame::GetPrefSize(aState);
DISPLAY_PREF_SIZE(this, size);
// If we are using sizetopopup="always" then
// nsBoxFrame will already have enforced the minimum size
if (!IsSizedToPopup(mContent, PR_TRUE) &&
IsSizedToPopup(mContent, PR_FALSE) &&
SizeToPopup(aState, size)) {
// We now need to ensure that size is within the min - max range.
nsSize minSize = nsBoxFrame::GetMinSize(aState);
nsSize maxSize = GetMaxSize(aState);
size = BoundsCheck(minSize, size, maxSize);
}
return size;
}
/**
* Ok return our dimensions
*/
nsSize
nsImageBoxFrame::GetPrefSize(nsBoxLayoutState& aState)
{
nsSize size(0,0);
DISPLAY_PREF_SIZE(this, size);
if (DoesNeedRecalc(mImageSize))
GetImageSize();
if (!mUseSrcAttr && (mSubRect.width > 0 || mSubRect.height > 0))
size = nsSize(mSubRect.width, mSubRect.height);
else
size = mImageSize;
AddBorderAndPadding(size);
nsIBox::AddCSSPrefSize(aState, this, size);
nsSize minSize = GetMinSize(aState);
nsSize maxSize = GetMaxSize(aState);
return BoundsCheck(minSize, size, maxSize);
}
/**
* Ok return our dimensions
*/
nsSize
nsImageBoxFrame::GetPrefSize(nsBoxLayoutState& aState)
{
nsSize size(0,0);
DISPLAY_PREF_SIZE(this, size);
if (DoesNeedRecalc(mImageSize))
GetImageSize();
if (!mUseSrcAttr && (mSubRect.width > 0 || mSubRect.height > 0))
size = nsSize(mSubRect.width, mSubRect.height);
else
size = mImageSize;
nsSize intrinsicSize = size;
nsMargin borderPadding(0,0,0,0);
GetBorderAndPadding(borderPadding);
size.width += borderPadding.LeftRight();
size.height += borderPadding.TopBottom();
PRBool widthSet, heightSet;
nsIBox::AddCSSPrefSize(this, size, widthSet, heightSet);
NS_ASSERTION(size.width != NS_INTRINSICSIZE && size.height != NS_INTRINSICSIZE,
"non-nintrinsic size expected");
nsSize minSize = GetMinSize(aState);
nsSize maxSize = GetMaxSize(aState);
if (!widthSet && !heightSet) {
if (minSize.width != NS_INTRINSICSIZE)
minSize.width -= borderPadding.LeftRight();
if (minSize.height != NS_INTRINSICSIZE)
minSize.height -= borderPadding.TopBottom();
if (maxSize.width != NS_INTRINSICSIZE)
maxSize.width -= borderPadding.LeftRight();
if (maxSize.height != NS_INTRINSICSIZE)
maxSize.height -= borderPadding.TopBottom();
size = nsLayoutUtils::ComputeAutoSizeWithIntrinsicDimensions(minSize.width, minSize.height,
maxSize.width, maxSize.height,
intrinsicSize.width, intrinsicSize.height);
NS_ASSERTION(size.width != NS_INTRINSICSIZE && size.height != NS_INTRINSICSIZE,
"non-nintrinsic size expected");
size.width += borderPadding.LeftRight();
size.height += borderPadding.TopBottom();
return size;
}
if (!widthSet) {
if (intrinsicSize.height > 0) {
// Subtract off the border and padding from the height because the
// content-box needs to be used to determine the ratio
nscoord height = size.height - borderPadding.TopBottom();
size.width = nscoord(PRInt64(height) * PRInt64(intrinsicSize.width) /
PRInt64(intrinsicSize.height));
}
else {
size.width = intrinsicSize.width;
}
size.width += borderPadding.LeftRight();
}
else if (!heightSet) {
if (intrinsicSize.width > 0) {
nscoord width = size.width - borderPadding.LeftRight();
size.height = nscoord(PRInt64(width) * PRInt64(intrinsicSize.height) /
PRInt64(intrinsicSize.width));
}
else {
size.height = intrinsicSize.height;
}
size.height += borderPadding.TopBottom();
}
return BoundsCheck(minSize, size, maxSize);
}