| /* |
| * Copyright (C) 2019 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.systemui.util; |
| |
| import android.content.Context; |
| import android.text.TextUtils; |
| import android.util.AttributeSet; |
| import android.widget.TextView; |
| |
| /** |
| * TextView that changes its ellipsize value with its visibility. |
| * |
| * The View responds to changes in user-visibility to change its ellipsize from MARQUEE to END |
| * and back. Useful for TextView that need to marquee forever. |
| */ |
| public class AutoMarqueeTextView extends TextView { |
| |
| private boolean mAggregatedVisible = false; |
| |
| public AutoMarqueeTextView(Context context) { |
| super(context); |
| } |
| |
| public AutoMarqueeTextView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| public AutoMarqueeTextView(Context context, AttributeSet attrs, int defStyleAttr) { |
| super(context, attrs, defStyleAttr); |
| } |
| |
| public AutoMarqueeTextView(Context context, AttributeSet attrs, int defStyleAttr, |
| int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| onVisibilityAggregated(isVisibleToUser()); |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| setSelected(true); |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| super.onDetachedFromWindow(); |
| setSelected(false); |
| } |
| |
| @Override |
| public void onVisibilityAggregated(boolean isVisible) { |
| super.onVisibilityAggregated(isVisible); |
| if (isVisible == mAggregatedVisible) return; |
| |
| mAggregatedVisible = isVisible; |
| if (mAggregatedVisible) { |
| setEllipsize(TextUtils.TruncateAt.MARQUEE); |
| } else { |
| setEllipsize(TextUtils.TruncateAt.END); |
| } |
| } |
| } |