void CWsWindow::SetVisibleRegion(const TRegion& aNewRegion, const TRegion* aTop, TRegion& aNewFadableRegion)
{
STACK_REGION difference;
TBool diffs = EFalse;
difference.Copy(iVisibleRegion);
difference.SubRegion(aNewRegion);
if (!difference.IsEmpty())
{
diffs = ETrue;
if (IsTranslucent())
{
// Andy - If this is a client window (what else could it be) we can also subtract the
// user defined opaque region before doing this:
iScreen->AddRedrawRegion(difference, EFalse);
}
}
difference.Copy(aNewRegion);
if (HasBeenDrawnToScreen())
{
difference.SubRegion(iVisibleRegion);
}
if (!difference.IsEmpty())
{
diffs = ETrue;
STACK_REGION topDiff;
topDiff.Copy(difference);
WS_ASSERT_DEBUG(aTop,EWsPanicRegion);
topDiff.Intersect(*aTop);
difference.SubRegion(topDiff);
iScreen->AddRedrawRegion(topDiff, EFalse, ERedrawTopOnly);
iScreen->AddRedrawRegion(difference, EFalse, ERedrawAll);
topDiff.Close();
}
difference.Close();
AbortDsaIfRequired(aNewRegion, aTop);
if (diffs)
{
ResetVisibleRegion();
iVisibleRegion.Copy(aNewRegion);
PossibleVisibilityChangedEvent(EFalse);
}
iFadableRegion.Copy( aNewFadableRegion );
// Just because the visible region (screen coordinates) didn't change doesn't
// mean the invalid region (window coordinates) didn't change, so we always call this.
iRedraw->VisibleRegionChange();
}
void CWsWindow::PossibleVisibilityChangedEvent(TBool aForceSend)
{
// notify plugin
//
TWservCrEvent crEvent(TWservCrEvent::EWindowVisibilityChanged, HasBeenDrawnToScreen(), IsVisible()? &iVisibleRegion : NULL, this);
TWindowServerEvent::NotifyDrawer(crEvent);
if (!(iFlags & EFlagGeneratesVisibilityEvents))
return;
if (!IsVisible())
{
goto notvisible;
}
if (iVisibleRegion.Count() == 0)
{
goto notvisible;
}
{// braces here to avoid gccxml error
TInt visibleArea = 0;
TInt count = iVisibleRegion.Count();
TInt ii;
for (ii = 0; ii < count; ii++)
{
visibleArea+= iVisibleRegion[ii].Width() * iVisibleRegion[ii].Height();
}
const TRegion* baseRegion = (static_cast<CWsClientWindow*>(this))->BaseArea();
TInt baseArea = 0;
count = baseRegion->Count();
for (ii = 0; ii < count; ii++)
{
const TRect& rect = (*baseRegion)[ii];
baseArea+= rect.Width() * rect.Height();
}
if (visibleArea == baseArea)
{
goto fullyvisible;
}
else
{
goto partiallyvisible;
}
}
fullyvisible:
if (aForceSend || !(iFlags & EFlagNotCantBeSeen) || !(iFlags & EFlagCanBeSeen))
{
iFlags |= (EFlagCanBeSeen | EFlagNotCantBeSeen);
TWindowServerEvent::SendVisibilityChangedEvents(this, TWsVisibilityChangedEvent::EPartiallyVisible | TWsVisibilityChangedEvent::EFullyVisible);
// we have to set EPartiallyVisible too for compatibility reasons
}
return;
partiallyvisible:
if (aForceSend || !(iFlags & EFlagCanBeSeen) || (iFlags & EFlagNotCantBeSeen))
{
iFlags |= EFlagCanBeSeen;
iFlags &= ~EFlagNotCantBeSeen;
TWindowServerEvent::SendVisibilityChangedEvents(this, TWsVisibilityChangedEvent::EPartiallyVisible);
}
return;
notvisible:
if (aForceSend || (iFlags & EFlagCanBeSeen) || (iFlags & EFlagNotCantBeSeen))
{
iFlags &= ~(EFlagCanBeSeen | EFlagNotCantBeSeen);
TWindowServerEvent::SendVisibilityChangedEvents(this, TWsVisibilityChangedEvent::ENotVisible);
}
return;
}
void CWsWindow::SetVisibleRegion(const TRegion& aNewRegion, const TRegion* aTop)
{
WS_ASSERT_DEBUG(iScreen, EWsPanicNoScreen);
STACK_REGION difference;
TBool diffs = EFalse;
difference.Copy(iVisibleRegion);
difference.SubRegion(aNewRegion);
if (!difference.IsEmpty())
{
diffs = ETrue;
if (IsTranslucent())
{
iScreen->AddRedrawRegion(difference, EFalse);
}
}
difference.Copy(aNewRegion);
if (HasBeenDrawnToScreen())
{
difference.SubRegion(iVisibleRegion);
}
if (!difference.IsEmpty())
{
diffs = ETrue;
if(!iScreen->ChangeTracking())
{
//the following code will restart animations
STACK_REGION topDiff;
topDiff.Copy(difference);
WS_ASSERT_DEBUG(aTop,EWsPanicRegion);
topDiff.Intersect(*aTop);
difference.SubRegion(topDiff);
iScreen->AddRedrawRegion(topDiff, EFalse, ERedrawTopOnly);
iScreen->AddRedrawRegion(difference, EFalse, ERedrawAll);
topDiff.Close();
}
else if(IsVisible())
{
RestartAnimations(aNewRegion);
}
}
difference.Close();
AbortDsaIfRequired(aNewRegion, aTop);
if (diffs)
{
ResetVisibleRegion();
iVisibleRegion.Copy(aNewRegion);
PossibleVisibilityChangedEvent(EFalse);
if (Redraw()->HasElement())
{
WS_ASSERT_DEBUG(WinType()==EWinTypeClient,EWsPanicWindowType);
if (WinType()==EWinTypeClient)
{
iScreen->WindowElements().SetVisibleRegion(*static_cast<CWsClientWindow*>(this));
}
}
}
// Just because the visible region (screen coordinates) didn't change doesn't
// mean the invalid region (window coordinates) didn't change, so we always call this.
iRedraw->VisibleRegionChange();
}
