1 files changed, 0 insertions, 142 deletions
diff --git a/src/com/android/launcher3/util/ListViewHighlighter.java b/src/com/android/launcher3/util/ListViewHighlighter.java
deleted file mode 100644
index c9fe228d5..000000000
--- a/src/com/android/launcher3/util/ListViewHighlighter.java
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * Copyright (C) 2018 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.launcher3.util;
-
-import android.animation.ArgbEvaluator;
-import android.animation.ObjectAnimator;
-import android.animation.ValueAnimator;
-import android.graphics.Color;
-import android.graphics.drawable.ColorDrawable;
-import android.graphics.drawable.Drawable;
-import android.view.View;
-import android.view.View.OnLayoutChangeListener;
-import android.widget.AbsListView;
-import android.widget.AbsListView.OnScrollListener;
-import android.widget.AbsListView.RecyclerListener;
-import android.widget.ListView;
-
-import com.android.launcher3.R;
-
-import androidx.core.graphics.ColorUtils;
-
-/**
- * Utility class to scroll and highlight a list view item
- */
-public class ListViewHighlighter implements OnScrollListener, RecyclerListener,
-        OnLayoutChangeListener {
-
-    private final ListView mListView;
-    private int mPosHighlight;
-
-    private boolean mColorAnimated = false;
-
-    public ListViewHighlighter(ListView listView, int posHighlight) {
-        mListView = listView;
-        mPosHighlight = posHighlight;
-        mListView.setOnScrollListener(this);
-        mListView.setRecyclerListener(this);
-        mListView.addOnLayoutChangeListener(this);
-
-        mListView.post(this::tryHighlight);
-    }
-
-    @Override
-    public void onLayoutChange(View v, int left, int top, int right, int bottom,
-            int oldLeft, int oldTop, int oldRight, int oldBottom) {
-        mListView.post(this::tryHighlight);
-    }
-
-    private void tryHighlight() {
-        if (mPosHighlight < 0 || mListView.getChildCount() == 0) {
-            return;
-        }
-        if (!highlightIfVisible(mListView.getFirstVisiblePosition(),
-                mListView.getLastVisiblePosition())) {
-            mListView.smoothScrollToPosition(mPosHighlight);
-        }
-    }
-
-    @Override
-    public void onScrollStateChanged(AbsListView absListView, int i) { }
-
-    @Override
-    public void onScroll(AbsListView view, int firstVisibleItem,
-            int visibleItemCount, int totalItemCount) {
-        highlightIfVisible(firstVisibleItem, firstVisibleItem + visibleItemCount - 1);
-    }
-
-    private boolean highlightIfVisible(int start, int end) {
-        if (mPosHighlight < 0 || mListView.getChildCount() == 0) {
-            return false;
-        }
-        if (start > mPosHighlight || mPosHighlight > end) {
-            return false;
-        }
-        highlightView(mListView.getChildAt(mPosHighlight - start));
-
-        // finish highlight
-        mListView.setOnScrollListener(null);
-        mListView.removeOnLayoutChangeListener(this);
-
-        mPosHighlight = -1;
-        return true;
-    }
-
-    @Override
-    public void onMovedToScrapHeap(View view) {
-        unhighlightView(view);
-    }
-
-    private void highlightView(View view) {
-        if (Boolean.TRUE.equals(view.getTag(R.id.view_highlighted))) {
-            // already highlighted
-        } else {
-            view.setTag(R.id.view_highlighted, true);
-            view.setTag(R.id.view_unhighlight_background, view.getBackground());
-            view.setBackground(getHighlightBackground());
-            view.postDelayed(() -> {
-                unhighlightView(view);
-            }, 15000L);
-        }
-    }
-
-    private void unhighlightView(View view) {
-        if (Boolean.TRUE.equals(view.getTag(R.id.view_highlighted))) {
-            Object background = view.getTag(R.id.view_unhighlight_background);
-            if (background instanceof Drawable) {
-                view.setBackground((Drawable) background);
-            }
-            view.setTag(R.id.view_unhighlight_background, null);
-            view.setTag(R.id.view_highlighted, false);
-        }
-    }
-
-    private ColorDrawable getHighlightBackground() {
-        int color = ColorUtils.setAlphaComponent(Themes.getColorAccent(mListView.getContext()), 26);
-        if (mColorAnimated) {
-            return new ColorDrawable(color);
-        }
-        mColorAnimated = true;
-        ColorDrawable bg = new ColorDrawable(Color.WHITE);
-        ObjectAnimator anim = ObjectAnimator.ofInt(bg, "color", Color.WHITE, color);
-        anim.setEvaluator(new ArgbEvaluator());
-        anim.setDuration(200L);
-        anim.setRepeatMode(ValueAnimator.REVERSE);
-        anim.setRepeatCount(4);
-        anim.start();
-        return bg;
-    }
-}