nsSize
nsGridLayout2::GetMaxSize(nsIBox* aBox, nsBoxLayoutState& aState)
{
nsSize maxSize = nsStackLayout::GetMaxSize(aBox, aState);
// if there are no <rows> tags that will sum up our columns,
// sum up our columns here.
nsSize total(NS_INTRINSICSIZE, NS_INTRINSICSIZE);
nsIBox* rowsBox = mGrid.GetRowsBox();
nsIBox* columnsBox = mGrid.GetColumnsBox();
if (!rowsBox || !columnsBox) {
if (!rowsBox) {
total.height = 0;
// max height is the sum of our rows
PRInt32 rows = mGrid.GetRowCount();
for (PRInt32 i=0; i < rows; i++)
{
nscoord height = mGrid.GetMaxRowHeight(aState, i, PR_TRUE);
AddWidth(total, height, PR_FALSE); // AddHeight
}
}
if (!columnsBox) {
total.width = 0;
// max height is the sum of our rows
PRInt32 columns = mGrid.GetColumnCount();
for (PRInt32 i=0; i < columns; i++)
{
nscoord width = mGrid.GetMaxRowHeight(aState, i, PR_FALSE);
AddWidth(total, width, PR_TRUE); // AddWidth
}
}
AddMargin(aBox, total);
AddOffset(aState, aBox, total);
AddSmallestSize(maxSize, total);
}
return maxSize;
}
nsSize
nsStackLayout::GetMaxSize(nsIBox* aBox, nsBoxLayoutState& aState)
{
nsSize maxSize (NS_INTRINSICSIZE, NS_INTRINSICSIZE);
// run through all the children and get their min, max, and preferred sizes
nsIBox* child = aBox->GetChildBox();
while (child) {
nsSize min = child->GetMinSize(aState);
nsSize max = nsBox::BoundsCheckMinMax(min, child->GetMaxSize(aState));
AddMargin(child, max);
AddOffset(aState, child, max);
AddSmallestSize(maxSize, max);
child = child->GetNextBox();
}
// now add our border and padding
AddBorderAndPadding(aBox, maxSize);
return maxSize;
}
nsSize
nsSprocketLayout::GetMaxSize(nsIFrame* aBox, nsBoxLayoutState& aState)
{
bool isHorizontal = IsHorizontal(aBox);
nscoord smallestMax = NS_INTRINSICSIZE;
nsSize maxSize (NS_INTRINSICSIZE, NS_INTRINSICSIZE);
// run through all the children and get their min, max, and preferred sizes
// return us the size of the box
nsIFrame* child = nsBox::GetChildBox(aBox);
nsFrameState frameState = nsFrameState(0);
GetFrameState(aBox, frameState);
bool isEqual = !!(frameState & NS_STATE_EQUAL_SIZE);
int32_t count = 0;
while (child)
{
// ignore collapsed children
if (!child->IsCollapsed())
{
// if completely redefined don't even ask our child for its size.
nsSize min = child->GetMinSize(aState);
nsSize max = nsBox::BoundsCheckMinMax(min, child->GetMaxSize(aState));
AddMargin(child, max);
AddSmallestSize(maxSize, max, isHorizontal);
if (isEqual) {
if (isHorizontal)
{
if (max.width < smallestMax)
smallestMax = max.width;
} else {
if (max.height < smallestMax)
smallestMax = max.height;
}
}
count++;
}
child = nsBox::GetNextBox(child);
}
if (isEqual) {
if (isHorizontal) {
if (smallestMax != NS_INTRINSICSIZE)
maxSize.width = smallestMax*count;
else
maxSize.width = NS_INTRINSICSIZE;
} else {
if (smallestMax != NS_INTRINSICSIZE)
maxSize.height = smallestMax*count;
else
maxSize.height = NS_INTRINSICSIZE;
}
}
// now add our border and padding
AddBorderAndPadding(aBox, maxSize);
return maxSize;
}
