C++ LLToast::hide方法代码示例

//--------------------------------------------------------------------------
void LLScreenChannel::hideToast(const LLUUID& notification_id)
{
	std::vector<ToastElem>::iterator it = find(mToastList.begin(), mToastList.end(), notification_id);
	if(mToastList.end() != it)
	{
		LLToast* toast = it->getToast();
		if (toast)
		{
			toast->hide();
		}
		else
		{
			llwarns << "Attempt to hide a deleted toast." << llendl;
		}
	}
}

//.........这里部分代码省略.........
		if(it != vToastList.rbegin())
		{
			LLToast* toast = (it-1)->getToast();
			if (!toast)
			{
				llwarns << "Attempt to display a deleted toast." << llendl;
				return;
			}

			bottom = toast->getRect().mTop - toast->getTopPad();
			toast_margin = gSavedSettings.getS32("ToastGap");
		}

		LLToast* toast = it->getToast();
		if(!toast)
		{
			llwarns << "Attempt to display a deleted toast." << llendl;
			return;
		}

		toast_rect = toast->getRect();
		toast_rect.setOriginAndSize(getRect().mRight - toast_rect.getWidth(),
				bottom + toast_margin, toast_rect.getWidth(),
				toast_rect.getHeight());
		toast->setRect(toast_rect);

		if(floater && floater->overlapsScreenChannel())
		{
			if(it == vToastList.rbegin())
			{
				// move first toast above docked floater
				S32 shift = floater->getRect().getHeight();
				if(floater->getDockControl())
				{
					shift += floater->getDockControl()->getTongueHeight();
				}
				toast->translate(0, shift);
			}

			LLRect channel_rect = getChannelRect();
			// don't show toasts if there is not enough space
			if(toast_rect.mTop > channel_rect.mTop)
			{
				break;
			}
		}

		bool stop_showing_toasts = toast->getRect().mTop > getRect().mTop;

		if(!stop_showing_toasts)
		{
			if( it != vToastList.rend()-1)
			{
				S32 toast_top = toast->getRect().mTop + gSavedSettings.getS32("ToastGap");
				stop_showing_toasts = toast_top > getRect().mTop;
			}
		} 

		// at least one toast should be visible

		if(it == vToastList.rbegin())
		{
			stop_showing_toasts = false;
		}

		if(stop_showing_toasts)
			break;

		if( !toast->getVisible() )
		{
			// HACK
			// EXT-2653: it is necessary to prevent overlapping for secondary showed toasts
			toast->setVisible(TRUE);
		}		
		// <FS:Ansariel> Show toasts in front of other floaters
		//if(!toast->hasFocus())
		if(!toast->hasFocus() && !toasts_in_front)
		// </FS:Ansariel> Show toasts in front of other floaters
		{
			// Fixing Z-order of toasts (EXT-4862)
			// Next toast will be positioned under this one.
			gFloaterView->sendChildToBack(toast);
		}
	}

	// Dismiss toasts we don't have space for (STORM-391).
	if(it != vToastList.rend())
	{
		mHiddenToastsNum = 0;

		for(; it != vToastList.rend(); it++)
		{
			LLToast* toast = it->getToast();
			if (toast)
			{
				toast->hide();
			}
		}
	}
}