1 files changed, 0 insertions, 160 deletions
diff --git a/src/com/android/car/media/drawer/MediaDrawerAdapter.java b/src/com/android/car/media/drawer/MediaDrawerAdapter.java
deleted file mode 100644
index e1cf1b6..0000000
--- a/src/com/android/car/media/drawer/MediaDrawerAdapter.java
+++ /dev/null
@@ -1,160 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.car.media.drawer;
-
-import android.content.Context;
-
-import androidx.annotation.Nullable;
-import androidx.car.drawer.CarDrawerAdapter;
-import androidx.car.drawer.CarDrawerController;
-import androidx.car.drawer.DrawerItemViewHolder;
-import androidx.recyclerview.widget.RecyclerView;
-
-/**
- * Subclass of CarDrawerAdapter used by the Media app.
- * <p>
- * This adapter delegates actual fetching of items (and other operations) to a
- * {@link MediaItemsFetcher}. The current fetcher being used can be updated at runtime.
- */
-class MediaDrawerAdapter extends CarDrawerAdapter {
-    private final CarDrawerController mDrawerController;
-    private MediaItemsFetcher mCurrentFetcher;
-    private MediaFetchCallback mFetchCallback;
-    private int mCurrentScrollPosition;
-
-    /**
-     * Interface for a callback object that will be notified of changes to the fetch status of
-     * items in a media drawer.
-     */
-    interface MediaFetchCallback {
-        /**
-         * Called when a fetch for items starts.
-         */
-        void onFetchStart();
-
-        /**
-         * Called when a fetch for items ends.
-         */
-        void onFetchEnd();
-    }
-
-    MediaDrawerAdapter(Context context, CarDrawerController drawerController) {
-        super(context, true /* showDisabledListOnEmpty */);
-        mDrawerController = drawerController;
-    }
-
-    /**
-     * Sets the object to be notified of changes to the fetching of items in the media drawer.
-     */
-    void setFetchCallback(@Nullable MediaFetchCallback callback) {
-        mFetchCallback = callback;
-    }
-
-    /**
-     * Switch the {@link MediaItemsFetcher} being used to fetch items. The new fetcher is kicked-off
-     * and the drawer's content's will be updated to show newly loaded items. Any old fetcher is
-     * cleaned up and released.
-     *
-     * @param fetcher New {@link MediaItemsFetcher} to use for display Drawer items.
-     */
-    void setFetcherAndInvoke(MediaItemsFetcher fetcher) {
-        setFetcher(fetcher);
-
-        if (mFetchCallback != null) {
-            mFetchCallback.onFetchStart();
-        }
-
-        mCurrentFetcher.start(() -> {
-            closeFetch();
-            notifyDataSetChanged();
-        });
-    }
-
-    void setFetcher(MediaItemsFetcher fetcher) {
-        if (mCurrentFetcher != null) {
-            mCurrentFetcher.cleanup();
-        }
-        mCurrentFetcher = fetcher;
-        notifyDataSetChanged();
-    }
-
-    @Override
-    protected int getActualItemCount() {
-        return mCurrentFetcher != null ? mCurrentFetcher.getItemCount() : 0;
-    }
-
-    @Override
-    protected boolean usesSmallLayout(int position) {
-        return mCurrentFetcher.usesSmallLayout(position);
-    }
-
-    @Override
-    protected void populateViewHolder(DrawerItemViewHolder holder, int position) {
-        if (mCurrentFetcher == null) {
-            return;
-        }
-
-        mCurrentFetcher.populateViewHolder(holder, position);
-        scrollToCurrent();
-    }
-
-    @Override
-    public void onItemClick(int position) {
-        if (mCurrentFetcher != null) {
-            mCurrentFetcher.onItemClick(position);
-        }
-    }
-
-    @Override
-    public void cleanup() {
-        super.cleanup();
-        if (mCurrentFetcher != null) {
-            mCurrentFetcher.cleanup();
-            mCurrentFetcher = null;
-            notifyDataSetChanged();
-        }
-        closeFetch();
-    }
-
-    private void closeFetch() {
-        if (mFetchCallback != null) {
-            mFetchCallback.onFetchEnd();
-            mFetchCallback = null;
-        }
-    }
-
-    public void scrollToCurrent() {
-        if (mCurrentFetcher == null) {
-            return;
-        }
-        int scrollPosition = mCurrentFetcher.getScrollPosition();
-        if (scrollPosition != MediaItemsFetcher.DONT_SCROLL
-                && mCurrentScrollPosition != scrollPosition) {
-            mDrawerController.scrollToPosition(scrollPosition);
-            mCurrentScrollPosition = scrollPosition;
-        }
-    }
-
-    @Override
-    public void onAttachedToRecyclerView(RecyclerView recyclerView) {
-        if (mCurrentFetcher != null) {
-            MediaItemsFetcher fetcher = mCurrentFetcher;
-            fetcher.cleanup();
-            setFetcherAndInvoke(fetcher);
-        }
-    }
-
-}