void
nsDeckFrame::IndexChanged()
{
//did the index change?
int32_t index = GetSelectedIndex();
if (index == mIndex)
return;
// redraw
InvalidateFrame();
// hide the currently showing box
nsIFrame* currentBox = GetSelectedBox();
if (currentBox) // only hide if it exists
HideBox(currentBox);
mIndex = index;
#ifdef ACCESSIBILITY
nsAccessibilityService* accService = GetAccService();
if (accService) {
accService->DeckPanelSwitched(PresContext()->GetPresShell(), mContent,
currentBox, GetSelectedBox());
}
#endif
}
void
nsDeckFrame::RemoveFrame(ChildListID aListID,
nsIFrame* aOldFrame)
{
nsIFrame* currentFrame = GetSelectedBox();
if (currentFrame &&
aOldFrame &&
currentFrame != aOldFrame) {
// If the frame we're removing is at an index that's less
// than mIndex, that means we're going to be shifting indexes
// by 1.
//
// We attempt to keep the same child displayed by automatically
// updating our internal notion of the current index.
int32_t removedIndex = mFrames.IndexOf(aOldFrame);
MOZ_ASSERT(removedIndex >= 0,
"A deck child was removed that was not in mFrames.");
if (removedIndex < mIndex) {
mIndex--;
// This is going to cause us to handle the index change in IndexedChanged,
// but since the new index will match mIndex, it's essentially a noop.
nsContentUtils::AddScriptRunner(new nsSetAttrRunnable(
mContent, nsGkAtoms::selectedIndex, mIndex));
}
}
nsBoxFrame::RemoveFrame(aListID, aOldFrame);
}
void
nsDeckFrame::IndexChanged(nsPresContext* aPresContext)
{
//did the index change?
PRInt32 index = GetSelectedIndex();
if (index == mIndex)
return;
// redraw
InvalidateOverflowRect();
// hide the currently showing box
nsIBox* currentBox = GetSelectedBox();
if (currentBox) // only hide if it exists
HideBox(aPresContext, currentBox);
mIndex = index;
// show the new box
nsIBox* newBox = GetSelectedBox();
if (newBox) // only show if it exists
ShowBox(aPresContext, newBox);
}
void
nsDeckFrame::BuildDisplayListForChildren(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
// only paint the selected box
nsIFrame* box = GetSelectedBox();
if (!box)
return;
// Putting the child in the background list. This is a little weird but
// it matches what we were doing before.
nsDisplayListSet set(aLists, aLists.BlockBorderBackgrounds());
BuildDisplayListForChild(aBuilder, box, aDirtyRect, set);
}
void
nsDeckFrame::IndexChanged()
{
//did the index change?
PRInt32 index = GetSelectedIndex();
if (index == mIndex)
return;
// redraw
InvalidateOverflowRect();
// hide the currently showing box
nsIBox* currentBox = GetSelectedBox();
if (currentBox) // only hide if it exists
HideBox(currentBox);
mIndex = index;
}
