C++ LLViewerMediaImpl::getInNearbyMediaList方法代码示例

void LLPanelNearByMedia::refreshList()
{
	bool all_items_deleted = false;
		
	if(!mMediaList)
	{
		// None of this makes any sense if the media list isn't there.
		return;
	}
	
	// Check whether the debug column has been shown/hidden.
	bool debug_info_visible = gSavedSettings.getBOOL("MediaPerformanceManagerDebug");
	if(debug_info_visible != mDebugInfoVisible)
	{
		mDebugInfoVisible = debug_info_visible;

		// Clear all items so the list gets regenerated.
		mMediaList->deleteAllItems();
		mParcelAudioItem = NULL;
		mParcelMediaItem = NULL;
		all_items_deleted = true;
		
		updateColumns();
	}
	
	refreshParcelItems();
	
	// Get the canonical list from LLViewerMedia
	LLViewerMedia::impl_list impls = LLViewerMedia::getPriorityList();
	LLViewerMedia::impl_list::iterator priority_iter;
	
	U32 enabled_count = 0;
	U32 disabled_count = 0;
	
	// iterate over the impl list, creating rows as necessary.
	for(priority_iter = impls.begin(); priority_iter != impls.end(); priority_iter++)
	{
		LLViewerMediaImpl *impl = *priority_iter;
		
		// If we just emptied out the list, every flag needs to be reset.
		if(all_items_deleted)
		{
			impl->setInNearbyMediaList(false);
		}

		if (!impl->isParcelMedia())
		{
			LLUUID media_id = impl->getMediaTextureID();
			S32 proximity = impl->getProximity();
			// This is expensive (i.e. a linear search) -- don't use it here.  We now use mInNearbyMediaList instead.
			//S32 index = mMediaList->getItemIndex(media_id);
			if (proximity < 0 || !shouldShow(impl))
			{
				if (impl->getInNearbyMediaList())
				{
					// There's a row for this impl -- remove it.
					removeListItem(media_id);
					impl->setInNearbyMediaList(false);
				}
			}
			else
			{
				if (!impl->getInNearbyMediaList())
				{
					// We don't have a row for this impl -- add one.
					addListItem(media_id);
					impl->setInNearbyMediaList(true);
				}
			}
			// Update counts
			if (impl->isMediaDisabled())
			{
				disabled_count++;
			}
			else {
				enabled_count++;
		}
	}
	}	
	mDisableAllCtrl->setEnabled((gSavedSettings.getBOOL("AudioStreamingMusic") || 
		                         gSavedSettings.getBOOL("AudioStreamingMedia")) &&
								(LLViewerMedia::isAnyMediaShowing() || 
								 LLViewerMedia::isParcelMediaPlaying() ||
								 LLViewerMedia::isParcelAudioPlaying()));

	mEnableAllCtrl->setEnabled( (gSavedSettings.getBOOL("AudioStreamingMusic") ||
								gSavedSettings.getBOOL("AudioStreamingMedia")) &&
							   (disabled_count > 0 ||
								// parcel media (if we have it, and it isn't playing, enable "start")
								(LLViewerMedia::hasParcelMedia() && ! LLViewerMedia::isParcelMediaPlaying()) ||
								// parcel audio (if we have it, and it isn't playing, enable "start")
								(LLViewerMedia::hasParcelAudio() && ! LLViewerMedia::isParcelAudioPlaying())));

	// Iterate over the rows in the control, updating ones whose impl exists, and deleting ones whose impl has gone away.
	std::vector<LLScrollListItem*> items = mMediaList->getAllData();

	for (std::vector<LLScrollListItem*>::iterator item_it = items.begin();
		item_it != items.end();
		++item_it)
	{
//.........这里部分代码省略.........