| /* |
| * Copyright (C) 2021 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.statusbar.policy |
| |
| import android.content.Context |
| import android.text.StaticLayout |
| import android.util.AttributeSet |
| import android.widget.TextView |
| import com.android.systemui.R |
| |
| /** |
| * View for showing a date that can toggle between two different formats depending on size. |
| * |
| * If no pattern can fit, it will display empty. |
| * |
| * @see R.styleable.VariableDateView_longDatePattern |
| * @see R.styleable.VariableDateView_shortDatePattern |
| */ |
| class VariableDateView(context: Context, attrs: AttributeSet) : TextView(context, attrs) { |
| |
| val longerPattern: String |
| val shorterPattern: String |
| |
| init { |
| val a = context.theme.obtainStyledAttributes( |
| attrs, |
| R.styleable.VariableDateView, |
| 0, 0) |
| longerPattern = a.getString(R.styleable.VariableDateView_longDatePattern) |
| ?: context.getString(R.string.system_ui_date_pattern) |
| shorterPattern = a.getString(R.styleable.VariableDateView_shortDatePattern) |
| ?: context.getString(R.string.abbrev_month_day_no_year) |
| |
| a.recycle() |
| } |
| |
| /** |
| * Freeze the pattern switching |
| * |
| * Use during animations if the container will change its size but this view should not change |
| */ |
| var freezeSwitching = false |
| |
| private var onMeasureListener: OnMeasureListener? = null |
| |
| fun onAttach(listener: OnMeasureListener?) { |
| onMeasureListener = listener |
| } |
| |
| override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) { |
| val availableWidth = MeasureSpec.getSize(widthMeasureSpec) - paddingStart - paddingEnd |
| if (MeasureSpec.getMode(widthMeasureSpec) != MeasureSpec.UNSPECIFIED && !freezeSwitching) { |
| onMeasureListener?.onMeasureAction(availableWidth) |
| } |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec) |
| } |
| |
| fun getDesiredWidthForText(text: CharSequence): Float { |
| return StaticLayout.getDesiredWidth(text, paint) |
| } |
| |
| interface OnMeasureListener { |
| fun onMeasureAction(availableWidth: Int) |
| } |
| } |