1 /* 2 * Copyright (C) 2025 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.wm.shell.windowdecor 17 18 import android.content.Context 19 import android.util.AttributeSet 20 import android.widget.TextView 21 22 /** A custom [TextView] that allows better control over marquee animation used to ellipsize text. */ 23 class MarqueedTextView @JvmOverloads constructor( 24 context: Context, 25 attrs: AttributeSet? = null, 26 defStyleAttr: Int = android.R.attr.textViewStyle 27 ) : TextView(context, attrs, defStyleAttr) { 28 29 /** 30 * Starts marquee animation if the layout attributes for this object include 31 * `android:ellipsize=marquee`, `android:singleLine=true`, and 32 * `android:scrollHorizontally=true`. 33 */ startMarqueenull34 override public fun startMarquee() { 35 super.startMarquee() 36 } 37 38 /** 39 * Must always return [true] since [TextView.startMarquee()] requires view to be selected or 40 * focused in order to start the marquee animation. 41 * 42 * We are not using [TextView.setSelected()] as this would dispatch undesired accessibility 43 * events. 44 */ isSelectednull45 override fun isSelected() : Boolean { 46 return true 47 } 48 } 49