Merge "Add OnLayoutCompleted() Listener." into tm-qpr-dev (fd7afb70) · Commits · e / os / android_packages_apps_Trebuchet

src/com/android/launcher3/allapps/AllAppsGridAdapter.java

+34 −0

Original line number	Diff line number	Diff line
		@@ -31,6 +31,7 @@ import androidx.recyclerview.widget.RecyclerView.Adapter;
		import com.android.launcher3.util.ScrollableLayoutManager;
		import com.android.launcher3.views.ActivityContext;

		import java.util.ArrayList;
		import java.util.List;

		/**
		@@ -43,6 +44,31 @@ public class AllAppsGridAdapter<T extends Context & ActivityContext> extends

		public static final String TAG = "AppsGridAdapter";
		private final AppsGridLayoutManager mGridLayoutMgr;
		private final List<OnLayoutCompletedListener> mOnLayoutCompletedListeners = new ArrayList<>();

		/**
		* Listener for {@link RecyclerView.LayoutManager#onLayoutCompleted(RecyclerView.State)}
		*/
		public interface OnLayoutCompletedListener {
		void onLayoutCompleted();
		}

		/**
		* Adds a {@link OnLayoutCompletedListener} to receive a callback when {@link
		* RecyclerView.LayoutManager#onLayoutCompleted(RecyclerView.State)} is called
		*/
		public void addOnLayoutCompletedListener(OnLayoutCompletedListener listener) {
		mOnLayoutCompletedListeners.add(listener);
		}

		/**
		* Removes a {@link OnLayoutCompletedListener} to not receive a callback when {@link
		* RecyclerView.LayoutManager#onLayoutCompleted(RecyclerView.State)} is called
		*/
		public void removeOnLayoutCompletedListener(OnLayoutCompletedListener listener) {
		mOnLayoutCompletedListeners.remove(listener);
		}


		public AllAppsGridAdapter(T activityContext, LayoutInflater inflater,
		AlphabeticalAppsList apps, BaseAdapterProvider[] adapterProviders) {
		@@ -132,6 +158,14 @@ public class AllAppsGridAdapter<T extends Context & ActivityContext> extends
		return extraRows;
		}

		@Override
		public void onLayoutCompleted(RecyclerView.State state) {
		super.onLayoutCompleted(state);
		for (OnLayoutCompletedListener listener : mOnLayoutCompletedListeners) {
		listener.onLayoutCompleted();
		}
		}

		@Override
		protected int incrementTotalHeight(Adapter adapter, int position, int heightUntilLastPos) {
		AllAppsGridAdapter.AdapterItem item = mApps.getAdapterItems().get(position);