Merge changes I1169beb3,If7c7b737 into rvc-dev am: 0fd43f11e8 am: 2594622b69 (ef9928e0) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/NotifPipeline.java

+12 −3

Original line number	Original line	Diff line number	Diff line
	@@ -16,6 +16,7 @@

	package com.android.systemui.statusbar.notification.collection;		package com.android.systemui.statusbar.notification.collection;

			import com.android.systemui.statusbar.notification.collection.listbuilder.OnBeforeFinalizeFilterListener;
	import com.android.systemui.statusbar.notification.collection.listbuilder.OnBeforeRenderListListener;		import com.android.systemui.statusbar.notification.collection.listbuilder.OnBeforeRenderListListener;
	import com.android.systemui.statusbar.notification.collection.listbuilder.OnBeforeSortListener;		import com.android.systemui.statusbar.notification.collection.listbuilder.OnBeforeSortListener;
	import com.android.systemui.statusbar.notification.collection.listbuilder.OnBeforeTransformGroupsListener;		import com.android.systemui.statusbar.notification.collection.listbuilder.OnBeforeTransformGroupsListener;
	@@ -63,7 +64,7 @@ import javax.inject.Singleton;
	* 6. Top-level entries are assigned sections by NotifSections ({@link #setSections})		* 6. Top-level entries are assigned sections by NotifSections ({@link #setSections})
	* 7. Top-level entries within the same section are sorted by NotifComparators		* 7. Top-level entries within the same section are sorted by NotifComparators
	* ({@link #setComparators})		* ({@link #setComparators})
	* 8. Pre-render filters are fired on each notification ({@link #addPreRenderFilter})		* 8. Finalize filters are fired on each notification ({@link #addFinalizeFilter})
	* 9. OnBeforeRenderListListeners are fired ({@link #addOnBeforeRenderListListener})		* 9. OnBeforeRenderListListeners are fired ({@link #addOnBeforeRenderListListener})
	* 9. The list is handed off to the view layer to be rendered		* 9. The list is handed off to the view layer to be rendered
	*/		*/
	@@ -168,6 +169,14 @@ public class NotifPipeline implements CommonNotifCollection {
	mShadeListBuilder.setComparators(comparators);		mShadeListBuilder.setComparators(comparators);
	}		}

			/**
			* Called after notifs have been filtered once, grouped, and sorted but before the final
			* filtering.
			*/
			public void addOnBeforeFinalizeFilterListener(OnBeforeFinalizeFilterListener listener) {
			mShadeListBuilder.addOnBeforeFinalizeFilterListener(listener);
			}

	/**		/**
	* Registers a filter with the pipeline to filter right before rendering the list (after		* Registers a filter with the pipeline to filter right before rendering the list (after
	* pre-group filtering, grouping, promoting and sorting occurs). Filters are		* pre-group filtering, grouping, promoting and sorting occurs). Filters are
	@@ -175,8 +184,8 @@ public class NotifPipeline implements CommonNotifCollection {
	* true, the notification is removed from the pipeline (and no other filters are called on that		* true, the notification is removed from the pipeline (and no other filters are called on that
	* notif).		* notif).
	*/		*/
	public void addPreRenderFilter(NotifFilter filter) {		public void addFinalizeFilter(NotifFilter filter) {
	mShadeListBuilder.addPreRenderFilter(filter);		mShadeListBuilder.addFinalizeFilter(filter);
	}		}

	/**		/**

packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/ShadeListBuilder.java

+27 −10

Original line number	Original line	Diff line number	Diff line
	@@ -18,11 +18,11 @@ package com.android.systemui.statusbar.notification.collection;

	import static com.android.systemui.statusbar.notification.collection.GroupEntry.ROOT_ENTRY;		import static com.android.systemui.statusbar.notification.collection.GroupEntry.ROOT_ENTRY;
	import static com.android.systemui.statusbar.notification.collection.listbuilder.PipelineState.STATE_BUILD_STARTED;		import static com.android.systemui.statusbar.notification.collection.listbuilder.PipelineState.STATE_BUILD_STARTED;
			import static com.android.systemui.statusbar.notification.collection.listbuilder.PipelineState.STATE_FINALIZE_FILTERING;
	import static com.android.systemui.statusbar.notification.collection.listbuilder.PipelineState.STATE_FINALIZING;		import static com.android.systemui.statusbar.notification.collection.listbuilder.PipelineState.STATE_FINALIZING;
	import static com.android.systemui.statusbar.notification.collection.listbuilder.PipelineState.STATE_GROUPING;		import static com.android.systemui.statusbar.notification.collection.listbuilder.PipelineState.STATE_GROUPING;
	import static com.android.systemui.statusbar.notification.collection.listbuilder.PipelineState.STATE_IDLE;		import static com.android.systemui.statusbar.notification.collection.listbuilder.PipelineState.STATE_IDLE;
	import static com.android.systemui.statusbar.notification.collection.listbuilder.PipelineState.STATE_PRE_GROUP_FILTERING;		import static com.android.systemui.statusbar.notification.collection.listbuilder.PipelineState.STATE_PRE_GROUP_FILTERING;
	import static com.android.systemui.statusbar.notification.collection.listbuilder.PipelineState.STATE_PRE_RENDER_FILTERING;
	import static com.android.systemui.statusbar.notification.collection.listbuilder.PipelineState.STATE_RESETTING;		import static com.android.systemui.statusbar.notification.collection.listbuilder.PipelineState.STATE_RESETTING;
	import static com.android.systemui.statusbar.notification.collection.listbuilder.PipelineState.STATE_SORTING;		import static com.android.systemui.statusbar.notification.collection.listbuilder.PipelineState.STATE_SORTING;
	import static com.android.systemui.statusbar.notification.collection.listbuilder.PipelineState.STATE_TRANSFORMING;		import static com.android.systemui.statusbar.notification.collection.listbuilder.PipelineState.STATE_TRANSFORMING;
	@@ -36,6 +36,7 @@ import androidx.annotation.NonNull;

	import com.android.systemui.Dumpable;		import com.android.systemui.Dumpable;
	import com.android.systemui.dump.DumpManager;		import com.android.systemui.dump.DumpManager;
			import com.android.systemui.statusbar.notification.collection.listbuilder.OnBeforeFinalizeFilterListener;
	import com.android.systemui.statusbar.notification.collection.listbuilder.OnBeforeRenderListListener;		import com.android.systemui.statusbar.notification.collection.listbuilder.OnBeforeRenderListListener;
	import com.android.systemui.statusbar.notification.collection.listbuilder.OnBeforeSortListener;		import com.android.systemui.statusbar.notification.collection.listbuilder.OnBeforeSortListener;
	import com.android.systemui.statusbar.notification.collection.listbuilder.OnBeforeTransformGroupsListener;		import com.android.systemui.statusbar.notification.collection.listbuilder.OnBeforeTransformGroupsListener;
	@@ -82,7 +83,7 @@ public class ShadeListBuilder implements Dumpable {

	private final List<NotifFilter> mNotifPreGroupFilters = new ArrayList<>();		private final List<NotifFilter> mNotifPreGroupFilters = new ArrayList<>();
	private final List<NotifPromoter> mNotifPromoters = new ArrayList<>();		private final List<NotifPromoter> mNotifPromoters = new ArrayList<>();
	private final List<NotifFilter> mNotifPreRenderFilters = new ArrayList<>();		private final List<NotifFilter> mNotifFinalizeFilters = new ArrayList<>();
	private final List<NotifComparator> mNotifComparators = new ArrayList<>();		private final List<NotifComparator> mNotifComparators = new ArrayList<>();
	private final List<NotifSection> mNotifSections = new ArrayList<>();		private final List<NotifSection> mNotifSections = new ArrayList<>();

	@@ -90,6 +91,8 @@ public class ShadeListBuilder implements Dumpable {
	new ArrayList<>();		new ArrayList<>();
	private final List<OnBeforeSortListener> mOnBeforeSortListeners =		private final List<OnBeforeSortListener> mOnBeforeSortListeners =
	new ArrayList<>();		new ArrayList<>();
			private final List<OnBeforeFinalizeFilterListener> mOnBeforeFinalizeFilterListeners =
			new ArrayList<>();
	private final List<OnBeforeRenderListListener> mOnBeforeRenderListListeners =		private final List<OnBeforeRenderListListener> mOnBeforeRenderListListeners =
	new ArrayList<>();		new ArrayList<>();
	@Nullable private OnRenderListListener mOnRenderListListener;		@Nullable private OnRenderListListener mOnRenderListListener;
	@@ -142,6 +145,13 @@ public class ShadeListBuilder implements Dumpable {
	mOnBeforeSortListeners.add(listener);		mOnBeforeSortListeners.add(listener);
	}		}

			void addOnBeforeFinalizeFilterListener(OnBeforeFinalizeFilterListener listener) {
			Assert.isMainThread();

			mPipelineState.requireState(STATE_IDLE);
			mOnBeforeFinalizeFilterListeners.add(listener);
			}

	void addOnBeforeRenderListListener(OnBeforeRenderListListener listener) {		void addOnBeforeRenderListListener(OnBeforeRenderListListener listener) {
	Assert.isMainThread();		Assert.isMainThread();

	@@ -157,12 +167,12 @@ public class ShadeListBuilder implements Dumpable {
	filter.setInvalidationListener(this::onPreGroupFilterInvalidated);		filter.setInvalidationListener(this::onPreGroupFilterInvalidated);
	}		}

	void addPreRenderFilter(NotifFilter filter) {		void addFinalizeFilter(NotifFilter filter) {
	Assert.isMainThread();		Assert.isMainThread();
	mPipelineState.requireState(STATE_IDLE);		mPipelineState.requireState(STATE_IDLE);

	mNotifPreRenderFilters.add(filter);		mNotifFinalizeFilters.add(filter);
	filter.setInvalidationListener(this::onPreRenderFilterInvalidated);		filter.setInvalidationListener(this::onFinalizeFilterInvalidated);
	}		}

	void addPromoter(NotifPromoter promoter) {		void addPromoter(NotifPromoter promoter) {
	@@ -237,12 +247,12 @@ public class ShadeListBuilder implements Dumpable {
	rebuildListIfBefore(STATE_SORTING);		rebuildListIfBefore(STATE_SORTING);
	}		}

	private void onPreRenderFilterInvalidated(NotifFilter filter) {		private void onFinalizeFilterInvalidated(NotifFilter filter) {
	Assert.isMainThread();		Assert.isMainThread();

	mLogger.logPreRenderFilterInvalidated(filter.getName(), mPipelineState.getState());		mLogger.logFinalizeFilterInvalidated(filter.getName(), mPipelineState.getState());

	rebuildListIfBefore(STATE_PRE_RENDER_FILTERING);		rebuildListIfBefore(STATE_FINALIZE_FILTERING);
	}		}

	private void onNotifComparatorInvalidated(NotifComparator comparator) {		private void onNotifComparatorInvalidated(NotifComparator comparator) {
	@@ -298,8 +308,9 @@ public class ShadeListBuilder implements Dumpable {

	// Step 6: Filter out entries after pre-group filtering, grouping, promoting and sorting		// Step 6: Filter out entries after pre-group filtering, grouping, promoting and sorting
	// Now filters can see grouping information to determine whether to filter or not.		// Now filters can see grouping information to determine whether to filter or not.
	mPipelineState.incrementTo(STATE_PRE_RENDER_FILTERING);		dispatchOnBeforeFinalizeFilter(mReadOnlyNotifList);
	filterNotifs(mNotifList, mNewNotifList, mNotifPreRenderFilters);		mPipelineState.incrementTo(STATE_FINALIZE_FILTERING);
			filterNotifs(mNotifList, mNewNotifList, mNotifFinalizeFilters);
	applyNewNotifList();		applyNewNotifList();
	pruneIncompleteGroups(mNotifList);		pruneIncompleteGroups(mNotifList);

	@@ -772,6 +783,12 @@ public class ShadeListBuilder implements Dumpable {
	}		}
	}		}

			private void dispatchOnBeforeFinalizeFilter(List<ListEntry> entries) {
			for (int i = 0; i < mOnBeforeFinalizeFilterListeners.size(); i++) {
			mOnBeforeFinalizeFilterListeners.get(i).onBeforeFinalizeFilter(entries);
			}
			}

	private void dispatchOnBeforeRenderList(List<ListEntry> entries) {		private void dispatchOnBeforeRenderList(List<ListEntry> entries) {
	for (int i = 0; i < mOnBeforeRenderListListeners.size(); i++) {		for (int i = 0; i < mOnBeforeRenderListListeners.size(); i++) {
	mOnBeforeRenderListListeners.get(i).onBeforeRenderList(entries);		mOnBeforeRenderListListeners.get(i).onBeforeRenderList(entries);

packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/BubbleCoordinator.java

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -77,7 +77,7 @@ public class BubbleCoordinator implements Coordinator {
	public void attach(NotifPipeline pipeline) {		public void attach(NotifPipeline pipeline) {
	mNotifPipeline = pipeline;		mNotifPipeline = pipeline;
	mNotifPipeline.addNotificationDismissInterceptor(mDismissInterceptor);		mNotifPipeline.addNotificationDismissInterceptor(mDismissInterceptor);
	mNotifPipeline.addPreRenderFilter(mNotifFilter);		mNotifPipeline.addFinalizeFilter(mNotifFilter);
	mBubbleController.addNotifCallback(mNotifCallback);		mBubbleController.addNotifCallback(mNotifCallback);
	}		}

packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/KeyguardCoordinator.java

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -87,7 +87,7 @@ public class KeyguardCoordinator implements Coordinator {
	@Override		@Override
	public void attach(NotifPipeline pipeline) {		public void attach(NotifPipeline pipeline) {
	setupInvalidateNotifListCallbacks();		setupInvalidateNotifListCallbacks();
	pipeline.addPreRenderFilter(mNotifFilter);		pipeline.addFinalizeFilter(mNotifFilter);
	}		}

	private final NotifFilter mNotifFilter = new NotifFilter(TAG) {		private final NotifFilter mNotifFilter = new NotifFilter(TAG) {

packages/SystemUI/src/com/android/systemui/statusbar/notification/collection/coordinator/PreparationCoordinator.java

+100 −19

Original line number	Original line	Diff line number	Diff line
	@@ -16,31 +16,39 @@

	package com.android.systemui.statusbar.notification.collection.coordinator;		package com.android.systemui.statusbar.notification.collection.coordinator;

			import android.annotation.IntDef;
	import android.os.RemoteException;		import android.os.RemoteException;
	import android.service.notification.StatusBarNotification;		import android.service.notification.StatusBarNotification;
			import android.util.ArrayMap;

	import com.android.internal.statusbar.IStatusBarService;		import com.android.internal.statusbar.IStatusBarService;
			import com.android.systemui.statusbar.notification.collection.GroupEntry;
			import com.android.systemui.statusbar.notification.collection.ListEntry;
	import com.android.systemui.statusbar.notification.collection.NotifInflaterImpl;		import com.android.systemui.statusbar.notification.collection.NotifInflaterImpl;
	import com.android.systemui.statusbar.notification.collection.NotifPipeline;		import com.android.systemui.statusbar.notification.collection.NotifPipeline;
	import com.android.systemui.statusbar.notification.collection.NotificationEntry;		import com.android.systemui.statusbar.notification.collection.NotificationEntry;
	import com.android.systemui.statusbar.notification.collection.ShadeListBuilder;		import com.android.systemui.statusbar.notification.collection.ShadeListBuilder;
	import com.android.systemui.statusbar.notification.collection.inflation.NotifInflater;		import com.android.systemui.statusbar.notification.collection.inflation.NotifInflater;
			import com.android.systemui.statusbar.notification.collection.listbuilder.OnBeforeFinalizeFilterListener;
	import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.NotifFilter;		import com.android.systemui.statusbar.notification.collection.listbuilder.pluggable.NotifFilter;
	import com.android.systemui.statusbar.notification.collection.notifcollection.NotifCollectionListener;		import com.android.systemui.statusbar.notification.collection.notifcollection.NotifCollectionListener;
	import com.android.systemui.statusbar.notification.row.NotifInflationErrorManager;		import com.android.systemui.statusbar.notification.row.NotifInflationErrorManager;

	import java.util.ArrayList;		import java.lang.annotation.Retention;
			import java.lang.annotation.RetentionPolicy;
	import java.util.List;		import java.util.List;
			import java.util.Map;
			import java.util.Objects;

	import javax.inject.Inject;		import javax.inject.Inject;
	import javax.inject.Singleton;		import javax.inject.Singleton;

	/**		/**
	* Kicks off notification inflation and view rebinding when a notification is added or updated.		* Kicks off core notification inflation and view rebinding when a notification is added or updated.
	* Aborts inflation when a notification is removed.		* Aborts inflation when a notification is removed.
	*		*
	* If a notification is not done inflating, this coordinator will filter the notification out		* If a notification was uninflated, this coordinator will filter the notification out from the
	* from the {@link ShadeListBuilder}.		* {@link ShadeListBuilder} until it is inflated.
	*/		*/
	@Singleton		@Singleton
	public class PreparationCoordinator implements Coordinator {		public class PreparationCoordinator implements Coordinator {
	@@ -49,7 +57,7 @@ public class PreparationCoordinator implements Coordinator {
	private final PreparationCoordinatorLogger mLogger;		private final PreparationCoordinatorLogger mLogger;
	private final NotifInflater mNotifInflater;		private final NotifInflater mNotifInflater;
	private final NotifInflationErrorManager mNotifErrorManager;		private final NotifInflationErrorManager mNotifErrorManager;
	private final List<NotificationEntry> mPendingNotifications = new ArrayList<>();		private final Map<NotificationEntry, Integer> mInflationStates = new ArrayMap<>();
	private final IStatusBarService mStatusBarService;		private final IStatusBarService mStatusBarService;

	@Inject		@Inject
	@@ -69,27 +77,44 @@ public class PreparationCoordinator implements Coordinator {
	@Override		@Override
	public void attach(NotifPipeline pipeline) {		public void attach(NotifPipeline pipeline) {
	pipeline.addCollectionListener(mNotifCollectionListener);		pipeline.addCollectionListener(mNotifCollectionListener);
	pipeline.addPreRenderFilter(mNotifInflationErrorFilter);		// Inflate after grouping/sorting since that affects what views to inflate.
	pipeline.addPreRenderFilter(mNotifInflatingFilter);		pipeline.addOnBeforeFinalizeFilterListener(mOnBeforeFinalizeFilterListener);
			pipeline.addFinalizeFilter(mNotifInflationErrorFilter);
			pipeline.addFinalizeFilter(mNotifInflatingFilter);
	}		}

	private final NotifCollectionListener mNotifCollectionListener = new NotifCollectionListener() {		private final NotifCollectionListener mNotifCollectionListener = new NotifCollectionListener() {

	@Override		@Override
	public void onEntryAdded(NotificationEntry entry) {		public void onEntryInit(NotificationEntry entry) {
	inflateEntry(entry, "entryAdded");		mInflationStates.put(entry, STATE_UNINFLATED);
	}		}

	@Override		@Override
	public void onEntryUpdated(NotificationEntry entry) {		public void onEntryUpdated(NotificationEntry entry) {
	rebind(entry, "entryUpdated");		@InflationState int state = getInflationState(entry);
			if (state == STATE_INFLATED) {
			mInflationStates.put(entry, STATE_INFLATED_INVALID);
			} else if (state == STATE_ERROR) {
			// Updated so maybe it won't error out now.
			mInflationStates.put(entry, STATE_UNINFLATED);
			}
	}		}

	@Override		@Override
	public void onEntryRemoved(NotificationEntry entry, int reason) {		public void onEntryRemoved(NotificationEntry entry, int reason) {
	abortInflation(entry, "entryRemoved reason=" + reason);		abortInflation(entry, "entryRemoved reason=" + reason);
	}		}

			@Override
			public void onEntryCleanUp(NotificationEntry entry) {
			mInflationStates.remove(entry);
			}
	};		};

			private final OnBeforeFinalizeFilterListener mOnBeforeFinalizeFilterListener =
			entries -> inflateAllRequiredViews(entries);

	private final NotifFilter mNotifInflationErrorFilter = new NotifFilter(		private final NotifFilter mNotifInflationErrorFilter = new NotifFilter(
	TAG + "InflationError") {		TAG + "InflationError") {
	/**		/**
	@@ -97,10 +122,7 @@ public class PreparationCoordinator implements Coordinator {
	*/		*/
	@Override		@Override
	public boolean shouldFilterOut(NotificationEntry entry, long now) {		public boolean shouldFilterOut(NotificationEntry entry, long now) {
	if (mNotifErrorManager.hasInflationError(entry)) {		return getInflationState(entry) == STATE_ERROR;
	return true;
	}
	return false;
	}		}
	};		};

	@@ -110,7 +132,8 @@ public class PreparationCoordinator implements Coordinator {
	*/		*/
	@Override		@Override
	public boolean shouldFilterOut(NotificationEntry entry, long now) {		public boolean shouldFilterOut(NotificationEntry entry, long now) {
	return mPendingNotifications.contains(entry);		@InflationState int state = getInflationState(entry);
			return (state != STATE_INFLATED) && (state != STATE_INFLATED_INVALID);
	}		}
	};		};

	@@ -119,7 +142,7 @@ public class PreparationCoordinator implements Coordinator {
	@Override		@Override
	public void onInflationFinished(NotificationEntry entry) {		public void onInflationFinished(NotificationEntry entry) {
	mLogger.logNotifInflated(entry.getKey());		mLogger.logNotifInflated(entry.getKey());
	mPendingNotifications.remove(entry);		mInflationStates.put(entry, STATE_INFLATED);
	mNotifInflatingFilter.invalidateList();		mNotifInflatingFilter.invalidateList();
	}		}
	};		};
	@@ -128,7 +151,7 @@ public class PreparationCoordinator implements Coordinator {
	new NotifInflationErrorManager.NotifInflationErrorListener() {		new NotifInflationErrorManager.NotifInflationErrorListener() {
	@Override		@Override
	public void onNotifInflationError(NotificationEntry entry, Exception e) {		public void onNotifInflationError(NotificationEntry entry, Exception e) {
	mPendingNotifications.remove(entry);		mInflationStates.put(entry, STATE_ERROR);
	try {		try {
	final StatusBarNotification sbn = entry.getSbn();		final StatusBarNotification sbn = entry.getSbn();
	// report notification inflation errors back up		// report notification inflation errors back up
	@@ -152,9 +175,41 @@ public class PreparationCoordinator implements Coordinator {
	}		}
	};		};

			private void inflateAllRequiredViews(List<ListEntry> entries) {
			for (int i = 0, size = entries.size(); i < size; i++) {
			ListEntry entry = entries.get(i);
			if (entry instanceof GroupEntry) {
			GroupEntry groupEntry = (GroupEntry) entry;
			inflateNotifRequiredViews(groupEntry.getSummary());
			List<NotificationEntry> children = groupEntry.getChildren();
			for (int j = 0, groupSize = children.size(); j < groupSize; j++) {
			inflateNotifRequiredViews(children.get(j));
			}
			} else {
			NotificationEntry notifEntry = (NotificationEntry) entry;
			inflateNotifRequiredViews(notifEntry);
			}
			}
			}

			private void inflateNotifRequiredViews(NotificationEntry entry) {
			@InflationState int state = mInflationStates.get(entry);
			switch (state) {
			case STATE_UNINFLATED:
			inflateEntry(entry, "entryAdded");
			break;
			case STATE_INFLATED_INVALID:
			rebind(entry, "entryUpdated");
			break;
			case STATE_INFLATED:
			case STATE_ERROR:
			default:
			// Nothing to do.
			}
			}

	private void inflateEntry(NotificationEntry entry, String reason) {		private void inflateEntry(NotificationEntry entry, String reason) {
	abortInflation(entry, reason);		abortInflation(entry, reason);
	mPendingNotifications.add(entry);
	mNotifInflater.inflateViews(entry);		mNotifInflater.inflateViews(entry);
	}		}

	@@ -165,6 +220,32 @@ public class PreparationCoordinator implements Coordinator {
	private void abortInflation(NotificationEntry entry, String reason) {		private void abortInflation(NotificationEntry entry, String reason) {
	mLogger.logInflationAborted(entry.getKey(), reason);		mLogger.logInflationAborted(entry.getKey(), reason);
	entry.abortTask();		entry.abortTask();
	mPendingNotifications.remove(entry);
	}		}

			private @InflationState int getInflationState(NotificationEntry entry) {
			Integer stateObj = mInflationStates.get(entry);
			Objects.requireNonNull(stateObj,
			"Asking state of a notification preparation coordinator doesn't know about");
			return stateObj;
			}

			@Retention(RetentionPolicy.SOURCE)
			@IntDef(prefix = {"STATE_"},
			value = {STATE_UNINFLATED, STATE_INFLATED_INVALID, STATE_INFLATED, STATE_ERROR})
			@interface InflationState {}

			/** The notification has never been inflated before. */
			private static final int STATE_UNINFLATED = 0;

			/** The notification is inflated. */
			private static final int STATE_INFLATED = 1;

			/**
			* The notification is inflated, but its content may be out-of-date since the notification has
			* been updated.
			*/
			private static final int STATE_INFLATED_INVALID = 2;

			/** The notification errored out while inflating */
			private static final int STATE_ERROR = -1;
	}		}