/*
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* Copyright (c) 2010-2019 Belledonne Communications SARL.
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*
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* This file is part of linphone-android
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* (see https://www.linphone.org).
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.linphone.views;
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import android.annotation.SuppressLint;
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import android.content.Context;
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import android.text.Layout;
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import android.util.AttributeSet;
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import android.widget.TextView;
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import androidx.annotation.Nullable;
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/**
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* The purpose of this class is to have a TextView declared with wrap_content as width that won't
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* fill it's parent if it is multi line
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*/
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@SuppressLint("AppCompatCustomView")
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public class MultiLineWrapContentWidthTextView extends TextView {
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public MultiLineWrapContentWidthTextView(Context context) {
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super(context);
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}
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public MultiLineWrapContentWidthTextView(Context context, @Nullable AttributeSet attrs) {
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super(context, attrs);
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}
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public MultiLineWrapContentWidthTextView(
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Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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}
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@Override
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protected void onMeasure(int widthSpec, int heightSpec) {
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int widthMode = MeasureSpec.getMode(widthSpec);
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if (widthMode == MeasureSpec.AT_MOST) {
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Layout layout = getLayout();
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if (layout != null) {
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int maxWidth =
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(int) Math.ceil(getMaxLineWidth(layout))
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+ getTotalPaddingLeft()
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+ getTotalPaddingRight();
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widthSpec = MeasureSpec.makeMeasureSpec(maxWidth, MeasureSpec.AT_MOST);
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}
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}
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super.onMeasure(widthSpec, heightSpec);
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}
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private float getMaxLineWidth(Layout layout) {
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float max_width = 0.0f;
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int lines = layout.getLineCount();
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for (int i = 0; i < lines; i++) {
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if (layout.getLineWidth(i) > max_width) {
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max_width = layout.getLineWidth(i);
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}
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}
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return max_width;
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}
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}
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