nsSize
nsSprocketLayout::GetPrefSize(nsIFrame* aBox, nsBoxLayoutState& aState)
{
nsSize vpref (0, 0);
bool isHorizontal = IsHorizontal(aBox);
nscoord biggestPref = 0;
// 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())
{
nsSize pref = child->GetPrefSize(aState);
AddMargin(child, pref);
if (isEqual) {
if (isHorizontal)
{
if (pref.width > biggestPref)
biggestPref = pref.width;
} else {
if (pref.height > biggestPref)
biggestPref = pref.height;
}
}
AddLargestSize(vpref, pref, isHorizontal);
count++;
}
child = nsBox::GetNextBox(child);
}
if (isEqual) {
if (isHorizontal)
vpref.width = biggestPref*count;
else
vpref.height = biggestPref*count;
}
// now add our border and padding
AddBorderAndPadding(aBox, vpref);
return vpref;
}
nsSize
nsStackLayout::GetMinSize(nsIBox* aBox, nsBoxLayoutState& aState)
{
nsSize minSize (0, 0);
// run through all the children and get their min, max, and preferred sizes
nsIBox* child = aBox->GetChildBox();
while (child) {
nsSize min = child->GetMinSize(aState);
AddMargin(child, min);
AddOffset(aState, child, min);
AddLargestSize(minSize, min);
child = child->GetNextBox();
}
// now add our border and padding
AddBorderAndPadding(aBox, minSize);
return minSize;
}
nsSize
nsGridLayout2::GetPrefSize(nsIBox* aBox, nsBoxLayoutState& aState)
{
nsSize pref = nsStackLayout::GetPrefSize(aBox, aState);
// if there are no <rows> tags that will sum up our columns,
// sum up our columns here.
nsSize total(0,0);
nsIBox* rowsBox = mGrid.GetRowsBox();
nsIBox* columnsBox = mGrid.GetColumnsBox();
if (!rowsBox || !columnsBox) {
if (!rowsBox) {
// max height is the sum of our rows
PRInt32 rows = mGrid.GetRowCount();
for (PRInt32 i=0; i < rows; i++)
{
nscoord height = mGrid.GetPrefRowHeight(aState, i, PR_TRUE);
AddWidth(total, height, PR_FALSE); // AddHeight
}
}
if (!columnsBox) {
// max height is the sum of our rows
PRInt32 columns = mGrid.GetColumnCount();
for (PRInt32 i=0; i < columns; i++)
{
nscoord width = mGrid.GetPrefRowHeight(aState, i, PR_FALSE);
AddWidth(total, width, PR_TRUE); // AddWidth
}
}
AddMargin(aBox, total);
AddOffset(aState, aBox, total);
AddLargestSize(pref, total);
}
return pref;
}
nsSize
nsGridLayout2::GetXULMinSize(nsIFrame* aBox, nsBoxLayoutState& aState)
{
nsSize minSize = nsStackLayout::GetXULMinSize(aBox, aState);
// if there are no <rows> tags that will sum up our columns,
// sum up our columns here.
nsSize total(0,0);
nsIFrame* rowsBox = mGrid.GetRowsBox();
nsIFrame* columnsBox = mGrid.GetColumnsBox();
if (!rowsBox || !columnsBox) {
if (!rowsBox) {
// max height is the sum of our rows
int32_t rows = mGrid.GetRowCount();
for (int32_t i=0; i < rows; i++)
{
nscoord height = mGrid.GetMinRowHeight(aState, i, true);
AddWidth(total, height, false); // AddHeight
}
}
if (!columnsBox) {
// max height is the sum of our rows
int32_t columns = mGrid.GetColumnCount();
for (int32_t i=0; i < columns; i++)
{
nscoord width = mGrid.GetMinRowHeight(aState, i, false);
AddWidth(total, width, true); // AddWidth
}
}
AddMargin(aBox, total);
AddOffset(aBox, total);
AddLargestSize(minSize, total);
}
return minSize;
}
nsSize
nsStackLayout::GetPrefSize(nsIBox* aBox, nsBoxLayoutState& aState)
{
nsSize rpref (0, 0);
// we are as wide as the widest child plus its left offset
// we are tall as the tallest child plus its top offset
nsIBox* child = aBox->GetChildBox();
while (child) {
nsSize pref = child->GetPrefSize(aState);
AddMargin(child, pref);
AddOffset(aState, child, pref);
AddLargestSize(rpref, pref);
child = child->GetNextBox();
}
// now add our border and padding
AddBorderAndPadding(aBox, rpref);
return rpref;
}
nsSize
nsSprocketLayout::GetMinSize(nsIFrame* aBox, nsBoxLayoutState& aState)
{
nsSize minSize (0, 0);
bool isHorizontal = IsHorizontal(aBox);
nscoord biggestMin = 0;
// 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())
{
nsSize min = child->GetMinSize(aState);
nsSize pref(0,0);
// if the child is not flexible then
// its min size is its pref size.
if (child->GetFlex(aState) == 0) {
pref = child->GetPrefSize(aState);
if (isHorizontal)
min.width = pref.width;
else
min.height = pref.height;
}
if (isEqual) {
if (isHorizontal)
{
if (min.width > biggestMin)
biggestMin = min.width;
} else {
if (min.height > biggestMin)
biggestMin = min.height;
}
}
AddMargin(child, min);
AddLargestSize(minSize, min, isHorizontal);
count++;
}
child = nsBox::GetNextBox(child);
}
if (isEqual) {
if (isHorizontal)
minSize.width = biggestMin*count;
else
minSize.height = biggestMin*count;
}
// now add our border and padding
AddBorderAndPadding(aBox, minSize);
return minSize;
}
