Refactor onProviderStateChangedOnHandler (82268bda) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/media/MediaRouter2ServiceImpl.java

+30 −47

Original line number	Diff line number	Diff line
		@@ -54,11 +54,9 @@ import java.lang.ref.WeakReference;
		import java.util.ArrayList;
		import java.util.Collection;
		import java.util.Collections;
		import java.util.HashSet;
		import java.util.List;
		import java.util.Map;
		import java.util.Objects;
		import java.util.Set;
		import java.util.concurrent.CopyOnWriteArrayList;
		import java.util.concurrent.atomic.AtomicInteger;

		@@ -1150,35 +1148,24 @@ class MediaRouter2ServiceImpl {

		private void onProviderStateChangedOnHandler(@NonNull MediaRoute2Provider provider) {
		int providerInfoIndex = getLastProviderInfoIndex(provider.getUniqueId());
		MediaRoute2ProviderInfo providerInfo = provider.getProviderInfo();
		MediaRoute2ProviderInfo currentInfo = provider.getProviderInfo();
		MediaRoute2ProviderInfo prevInfo =
		(providerInfoIndex < 0) ? null : mLastProviderInfos.get(providerInfoIndex);
		if (Objects.equals(prevInfo, currentInfo)) return;

		if (Objects.equals(prevInfo, providerInfo)) return;

		if (prevInfo == null) {
		mLastProviderInfos.add(providerInfo);
		Collection<MediaRoute2Info> addedRoutes = providerInfo.getRoutes();
		if (addedRoutes.size() > 0) {
		sendMessage(PooledLambda.obtainMessage(UserHandler::notifyRoutesAddedToRouters,
		this, getRouters(), new ArrayList<>(addedRoutes)));
		}
		} else if (providerInfo == null) {
		mLastProviderInfos.remove(prevInfo);
		Collection<MediaRoute2Info> removedRoutes = prevInfo.getRoutes();
		if (removedRoutes.size() > 0) {
		sendMessage(PooledLambda.obtainMessage(
		UserHandler::notifyRoutesRemovedToRouters,
		this, getRouters(), new ArrayList<>(removedRoutes)));
		}
		} else {
		mLastProviderInfos.set(providerInfoIndex, providerInfo);
		List<MediaRoute2Info> addedRoutes = new ArrayList<>();
		List<MediaRoute2Info> removedRoutes = new ArrayList<>();
		List<MediaRoute2Info> changedRoutes = new ArrayList<>();

		final Collection<MediaRoute2Info> currentRoutes = providerInfo.getRoutes();
		final Set<String> updatedRouteIds = new HashSet<>();
		if (prevInfo == null) {
		mLastProviderInfos.add(currentInfo);
		addedRoutes.addAll(currentInfo.getRoutes());
		} else if (currentInfo == null) {
		mLastProviderInfos.remove(prevInfo);
		removedRoutes.addAll(prevInfo.getRoutes());
		} else {
		mLastProviderInfos.set(providerInfoIndex, currentInfo);
		final Collection<MediaRoute2Info> prevRoutes = prevInfo.getRoutes();
		final Collection<MediaRoute2Info> currentRoutes = currentInfo.getRoutes();

		for (MediaRoute2Info route : currentRoutes) {
		if (!route.isValid()) {
		@@ -1186,22 +1173,19 @@ class MediaRouter2ServiceImpl {
		continue;
		}
		MediaRoute2Info prevRoute = prevInfo.getRoute(route.getOriginalId());

		if (prevRoute != null) {
		if (!Objects.equals(prevRoute, route)) {
		changedRoutes.add(route);
		}
		updatedRouteIds.add(route.getId());
		} else {
		if (prevRoute == null) {
		addedRoutes.add(route);
		} else if (!Objects.equals(prevRoute, route)) {
		changedRoutes.add(route);
		}
		}

		for (MediaRoute2Info prevRoute : prevInfo.getRoutes()) {
		if (!updatedRouteIds.contains(prevRoute.getId())) {
		if (currentInfo.getRoute(prevRoute.getOriginalId()) == null) {
		removedRoutes.add(prevRoute);
		}
		}
		}

		List<IMediaRouter2> routers = getRouters();
		List<IMediaRouter2Manager> managers = getManagers();
		@@ -1218,7 +1202,6 @@ class MediaRouter2ServiceImpl {
		notifyRoutesChangedToManagers(managers, changedRoutes);
		}
		}
		}

		private int getLastProviderInfoIndex(@NonNull String providerId) {
		for (int i = 0; i < mLastProviderInfos.size(); i++) {