void CWsSpriteBase::NotifyExtentChanged() const
{
if (Screen())
{
MWsWindowTreeObserver* windowTreeObserver = Screen()->WindowTreeObserver();
if (windowTreeObserver && iFlags&ESpriteActive)
{
windowTreeObserver->NodeExtentChanged(*this, Rect());
}
}
}
void CWsSpriteBase::SendState(MWsWindowTreeObserver& aWindowTreeObserver) const
{
if(iNext)
iNext->SendState(aWindowTreeObserver);
if(IsActivated())
{
//Sprite NodeCreated must only be sent if activated
aWindowTreeObserver.NodeCreated(*this, ParentNode());
aWindowTreeObserver.NodeExtentChanged(*this, Rect());
aWindowTreeObserver.NodeActivated(*this);
}
}
void CWsRootWindow::SetSystemFaded(TBool aFaded, TUint8 aBlackMap, TUint8 aWhiteMap)
{
WS_ASSERT_DEBUG(Screen(),EWsPanicNoScreen);
TBool stateChanged = EFalse; //will be set to true if one or more windows change fade state.
for(CWsWindowGroup* win=Child();win!=NULL;win=win->NextSibling())
{
TWalkWindowTreeSetSystemFaded wwt(aFaded, win, aBlackMap, aWhiteMap, stateChanged);
win->WalkWindowTree(wwt,EWalkChildren);
}
MWsWindowTreeObserver* windowTreeObserver = Screen()->WindowTreeObserver();
if(windowTreeObserver && stateChanged)
{
windowTreeObserver->FadeAllChildren(*this, aFaded);
}
}
void CWsWindow::SendState(MWsWindowTreeObserver& aWindowTreeObserver) const
{
aWindowTreeObserver.NodeCreated(*this, ParentNode());
if(iFlags & EFlagActive)
{
aWindowTreeObserver.NodeExtentChanged(*this, FullRect());
aWindowTreeObserver.NodeActivated(*this);
}
if(!IsVisible())
{
aWindowTreeObserver.FlagChanged(*this, MWsWindowTreeObserver::EVisible, EFalse);
}
if(IsTrackingVisibleRegion())
{
MWsWindowVisibilityNotifier* windowVisibilityNotifier = Screen()->WindowVisibilityNotifier();
if(windowVisibilityNotifier)
windowVisibilityNotifier->RegisterWindow(*this);
}
if(HasAlpha())
{
aWindowTreeObserver.FlagChanged(*this, MWsWindowTreeObserver::EAlphaChannelTransparencyEnabled, ETrue);
}
if(IsNonFading())
{
aWindowTreeObserver.FlagChanged(*this, MWsWindowTreeObserver::ENonFading, ETrue);
}
if(IsTopClientWindow() && (iFlags&EFlagScreenDeviceInvalid) )
{
aWindowTreeObserver.FlagChanged(*this, MWsWindowTreeObserver::EScreenDeviceValid, EFalse);
}
if(iAnimList)
iAnimList->SendState(aWindowTreeObserver);
CWsWindowBase::SendState(aWindowTreeObserver);
}
void CWsRootWindow::SendState(MWsWindowTreeObserver& aWindowTreeObserver) const
{
aWindowTreeObserver.NodeCreated(*this, NULL);
}