121 lines
4.5 KiB
Java
121 lines
4.5 KiB
Java
package app.fedilab.android.helper;
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/* Copyright 2018 Thomas Schneider
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*
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* This file is a part of Fedilab
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Fedilab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* 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 along with Fedilab; if not,
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* see <http://www.gnu.org/licenses>. */
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import android.annotation.SuppressLint;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.content.res.TypedArray;
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import android.graphics.Paint;
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import android.text.SpannableStringBuilder;
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import android.util.AttributeSet;
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import androidx.annotation.DimenRes;
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import androidx.annotation.Px;
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import androidx.appcompat.widget.AppCompatTextView;
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import com.vanniktech.emoji.EmojiManager;
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import app.fedilab.android.R;
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/**
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* Created by Thomas on 12/05/2018.
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* Allows to fix crashes with selection see: https://stackoverflow.com/a/36740247
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*/
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public class CustomTextView extends AppCompatTextView {
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private float emojiSize;
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private boolean emoji;
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public CustomTextView(Context context) {
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super(context);
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final SharedPreferences sharedpreferences = context.getSharedPreferences(Helper.APP_PREFS, android.content.Context.MODE_PRIVATE);
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emoji = sharedpreferences.getBoolean(Helper.SET_DISPLAY_EMOJI, false);
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}
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public CustomTextView(Context context, AttributeSet attrs) {
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super(context, attrs);
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final SharedPreferences sharedpreferences = context.getSharedPreferences(Helper.APP_PREFS, android.content.Context.MODE_PRIVATE);
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emoji = sharedpreferences.getBoolean(Helper.SET_DISPLAY_EMOJI, false);
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final Paint.FontMetrics fontMetrics = getPaint().getFontMetrics();
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final float defaultEmojiSize = fontMetrics.descent - fontMetrics.ascent;
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if (attrs == null) {
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emojiSize = defaultEmojiSize;
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} else {
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@SuppressLint("CustomViewStyleable") final TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.EmojiTextView);
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try {
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emojiSize = a.getDimension(R.styleable.EmojiTextView_emojiSize, defaultEmojiSize);
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} finally {
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a.recycle();
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}
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}
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setText(getText());
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}
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@Override
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public void setText(final CharSequence rawText, final BufferType type) {
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if (emoji) {
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final CharSequence text = rawText == null ? "" : rawText;
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final SpannableStringBuilder spannableStringBuilder = new SpannableStringBuilder(text);
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final Paint.FontMetrics fontMetrics = getPaint().getFontMetrics();
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final float defaultEmojiSize = fontMetrics.descent - fontMetrics.ascent;
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EmojiManager.getInstance().replaceWithImages(getContext(), spannableStringBuilder, emojiSize, defaultEmojiSize);
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super.setText(spannableStringBuilder, type);
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} else {
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super.setText(rawText, type);
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}
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}
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/**
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* sets the emoji size in pixels and automatically invalidates the text and renders it with the new size
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*/
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public final void setEmojiSize(@Px final int pixels) {
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setEmojiSize(pixels, true);
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}
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/**
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* sets the emoji size in pixels and automatically invalidates the text and renders it with the new size when {@code shouldInvalidate} is true
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*/
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public final void setEmojiSize(@Px final int pixels, final boolean shouldInvalidate) {
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emojiSize = pixels;
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if (shouldInvalidate) {
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setText(getText());
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}
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}
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/**
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* sets the emoji size in pixels with the provided resource and automatically invalidates the text and renders it with the new size
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*/
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public final void setEmojiSizeRes(@DimenRes final int res) {
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setEmojiSizeRes(res, true);
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}
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/**
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* sets the emoji size in pixels with the provided resource and invalidates the text and renders it with the new size when {@code shouldInvalidate} is true
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*/
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public final void setEmojiSizeRes(@DimenRes final int res, final boolean shouldInvalidate) {
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setEmojiSize(getResources().getDimensionPixelSize(res), shouldInvalidate);
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}
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}
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