void
nsViewManager::ProcessPendingUpdates()
{
if (!IsRootVM()) {
RootViewManager()->ProcessPendingUpdates();
return;
}
if (IsRefreshDriverPaintingEnabled()) {
mPresShell->GetPresContext()->RefreshDriver()->RevokeViewManagerFlush();
if (mHasPendingUpdates) {
mHasPendingUpdates = false;
// Flush things like reflows and plugin widget geometry updates by
// calling WillPaint on observer presShells.
if (mPresShell) {
CallWillPaintOnObservers(true);
}
ProcessPendingUpdatesForView(mRootView, true);
CallDidPaintOnObserver();
}
} else if (mHasPendingUpdates) {
ProcessPendingUpdatesForView(mRootView, true);
mHasPendingUpdates = false;
}
}
void nsViewManager::ProcessPendingUpdatesForView(nsView* aView,
bool aFlushDirtyRegion)
{
NS_ASSERTION(IsRootVM(), "Updates will be missed");
// Protect against a null-view.
if (!aView) {
return;
}
if (aView->HasWidget()) {
aView->ResetWidgetBounds(false, true);
}
// process pending updates in child view.
for (nsView* childView = aView->GetFirstChild(); childView;
childView = childView->GetNextSibling()) {
ProcessPendingUpdatesForView(childView, aFlushDirtyRegion);
}
// Push out updates after we've processed the children; ensures that
// damage is applied based on the final widget geometry
if (aFlushDirtyRegion) {
FlushDirtyRegionToWidget(aView);
}
}
void nsViewManager::ProcessPendingUpdatesForView(nsView* aView,
bool aFlushDirtyRegion)
{
NS_ASSERTION(IsRootVM(), "Updates will be missed");
// Protect against a null-view.
if (!aView) {
return;
}
if (aView->HasWidget()) {
aView->ResetWidgetBounds(false, true);
}
// process pending updates in child view.
for (nsView* childView = aView->GetFirstChild(); childView;
childView = childView->GetNextSibling()) {
ProcessPendingUpdatesForView(childView, aFlushDirtyRegion);
}
// Push out updates after we've processed the children; ensures that
// damage is applied based on the final widget geometry
if (aFlushDirtyRegion) {
nsIWidget *widget = aView->GetWidget();
if (widget && widget->NeedsPaint()) {
// If an ancestor widget was hidden and then shown, we could
// have a delayed resize to handle.
for (nsViewManager *vm = this; vm;
vm = vm->mRootView->GetParent()
? vm->mRootView->GetParent()->GetViewManager()
: nullptr) {
if (vm->mDelayedResize != nsSize(NSCOORD_NONE, NSCOORD_NONE) &&
vm->mRootView->IsEffectivelyVisible() &&
mPresShell && mPresShell->IsVisible()) {
vm->FlushDelayedResize(true);
vm->InvalidateView(vm->mRootView);
}
}
NS_ASSERTION(aView->HasWidget(), "Must have a widget!");
#ifdef DEBUG_INVALIDATIONS
printf("---- PAINT START ----PresShell(%p), nsView(%p), nsIWidget(%p)\n", mPresShell, aView, widget);
#endif
nsAutoScriptBlocker scriptBlocker;
NS_ASSERTION(aView->HasWidget(), "Must have a widget!");
aView->GetWidget()->WillPaint();
SetPainting(true);
mPresShell->Paint(aView, nsRegion(),
nsIPresShell::PAINT_LAYERS |
nsIPresShell::PAINT_WILL_SEND_DID_PAINT);
#ifdef DEBUG_INVALIDATIONS
printf("---- PAINT END ----\n");
#endif
aView->SetForcedRepaint(false);
SetPainting(false);
}
FlushDirtyRegionToWidget(aView);
}
}
bool
nsViewManager::ProcessPendingUpdates()
{
if (!IsRootVM()) {
return RootViewManager()->ProcessPendingUpdates();
}
mPresShell->GetPresContext()->RefreshDriver()->RevokeViewManagerFlush();
return ProcessPendingUpdatesForView(mRootView, true);
}
void
nsViewManager::ProcessPendingUpdates()
{
if (!IsRootVM()) {
RootViewManager()->ProcessPendingUpdates();
return;
}
if (IsRefreshDriverPaintingEnabled()) {
mPresShell->GetPresContext()->RefreshDriver()->RevokeViewManagerFlush();
// Flush things like reflows by calling WillPaint on observer presShells.
if (mPresShell) {
CallWillPaintOnObservers(true);
}
ProcessPendingUpdatesForView(mRootView, true);
} else {
ProcessPendingUpdatesForView(mRootView, true);
}
}
void
nsViewManager::UpdateWidgetGeometry()
{
if (!IsRootVM()) {
RootViewManager()->UpdateWidgetGeometry();
return;
}
if (mHasPendingWidgetGeometryChanges) {
ProcessPendingUpdatesForView(mRootView, false);
mHasPendingWidgetGeometryChanges = false;
}
}
void
nsViewManager::ProcessPendingUpdates()
{
if (!IsRootVM()) {
RootViewManager()->ProcessPendingUpdates();
return;
}
if (mHasPendingUpdates) {
ProcessPendingUpdatesForView(mRootView, true);
mHasPendingUpdates = false;
}
}
bool nsViewManager::ProcessPendingUpdatesForView(nsView* aView,
bool aFlushDirtyRegion)
{
NS_ASSERTION(IsRootVM(), "Updates will be missed");
// Protect against a null-view.
if (!aView) {
return false;
}
if (aView->HasWidget()) {
aView->ResetWidgetBounds(false, true);
}
// process pending updates in child view.
bool skipped = false;
for (nsView* childView = aView->GetFirstChild(); childView;
childView = childView->GetNextSibling()) {
skipped |= ProcessPendingUpdatesForView(childView, aFlushDirtyRegion);
}
// Push out updates after we've processed the children; ensures that
// damage is applied based on the final widget geometry
if (aFlushDirtyRegion) {
nsIWidget *widget = aView->GetWidget();
if (widget && widget->NeedsPaint()) {
if (aView->PendingRefresh() && aView->SkippedPaints() < 5) {
aView->SkippedPaint();
skipped = true;
} else {
aView->ClearSkippedPaints();
aView->SetPendingRefresh(false);
widget->SetNeedsPaint(false);
SetPainting(true);
#ifdef DEBUG_INVALIDATIONS
printf("---- PAINT START ----PresShell(%p), nsView(%p), nsIWidget(%p)\n", mPresShell, aView, widget);
#endif
nsAutoScriptBlocker scriptBlocker;
mPresShell->Paint(aView, nsRegion(), nsIPresShell::PaintType_NoComposite, false);
#ifdef DEBUG_INVALIDATIONS
printf("---- PAINT END ----\n");
#endif
SetPainting(false);
}
}
FlushDirtyRegionToWidget(aView);
}
return skipped;
}
void
nsViewManager::UpdateWidgetGeometry()
{
if (!IsRootVM()) {
RootViewManager()->UpdateWidgetGeometry();
return;
}
if (mHasPendingWidgetGeometryChanges) {
if (IsRefreshDriverPaintingEnabled()) {
mHasPendingWidgetGeometryChanges = false;
}
ProcessPendingUpdatesForView(mRootView, false);
if (!IsRefreshDriverPaintingEnabled()) {
mHasPendingWidgetGeometryChanges = false;
}
}
}
