void ScrollView::platformSetScrollbarModes()
{
bool needsAdjust = false;
if (m_data->hScrollbarMode != horizontalScrollbarMode() ) {
m_data->hScrollbarMode = horizontalScrollbarMode();
needsAdjust = true;
}
if (m_data->vScrollbarMode != verticalScrollbarMode() ) {
m_data->vScrollbarMode = verticalScrollbarMode();
needsAdjust = true;
}
if (needsAdjust)
adjustScrollbars();
}
void ScrollView::setScrollbarModes(ScrollbarMode horizontalMode, ScrollbarMode verticalMode, bool horizontalLock, bool verticalLock)
{
// FIXME: Restructure the ScrollView abstraction so that we do not have to
// copy this verbatim from ScrollView.cpp. Until then, we should make sure this
// is kept in sync.
bool needsUpdate = false;
if (horizontalMode != horizontalScrollbarMode() && !m_horizontalScrollbarLock) {
m_horizontalScrollbarMode = horizontalMode;
needsUpdate = true;
}
if (verticalMode != verticalScrollbarMode() && !m_verticalScrollbarLock) {
m_verticalScrollbarMode = verticalMode;
needsUpdate = true;
}
if (horizontalLock)
setHorizontalScrollbarLock();
if (verticalLock)
setVerticalScrollbarLock();
if (needsUpdate)
updateScrollbars(scrollOffset());
// We don't need to report policy changes on ScrollView's unless this
// one has an adjustment attached and it is a main frame.
if (!m_horizontalAdjustment || parent() || !isFrameView())
return;
// For frames that do have adjustments attached, we want to report
// policy changes, so that they may be applied to the widget to
// which the WebView's container (e.g. GtkScrolledWindow).
if (hostWindow())
hostWindow()->scrollbarsModeDidChange();
}
