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@ -1,5 +1,5 @@ |
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/* Copyright 2017 Andrew Dawson |
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* |
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/* Copyright 2020 Tusky Contributors |
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* |
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* This file is a part of Tusky. |
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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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@ -13,6 +13,7 @@ |
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* You should have received a copy of the GNU General Public License along with Tusky; if not, |
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* see <http://www.gnu.org/licenses>. */ |
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@file:JvmName("CustomEmojiHelper") |
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package com.keylesspalace.tusky.util |
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import android.graphics.Bitmap |
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@ -21,8 +22,6 @@ import android.graphics.Paint |
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import android.graphics.drawable.BitmapDrawable |
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import android.graphics.drawable.Drawable |
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import android.text.SpannableStringBuilder |
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import android.text.Spanned |
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import android.text.SpannedString |
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import android.text.style.ReplacementSpan |
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import android.view.View |
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@ -43,50 +42,41 @@ import androidx.preference.PreferenceManager |
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* @param view a reference to the a view the emojis will be shown in (should be the TextView, but parents of the TextView are also acceptable) |
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* @return the text with the shortcodes replaced by EmojiSpans |
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*/ |
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fun emojifyText(text: Spanned, emojis: List<Emoji>?, view: View, forceSmallEmoji: Boolean) : Spanned { |
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fun CharSequence.emojify(emojis: List<Emoji>?, view: View, forceSmallEmoji: Boolean) : CharSequence { |
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if(emojis.isNullOrEmpty()) |
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return this |
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val builder = SpannableStringBuilder.valueOf(this) |
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val pm = PreferenceManager.getDefaultSharedPreferences(view.context) |
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val smallEmojis = forceSmallEmoji || !pm.getBoolean("bigEmojis", true) |
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// val animatedEmojis = pm.getBoolean("animateEmojis", false) |
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if (emojis != null && emojis.isNotEmpty()) { |
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val builder = SpannableStringBuilder(text) |
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for (emoji in emojis) { |
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val pattern = StringBuilder(":").append(emoji.shortcode).append(":") |
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val matcher = Pattern.compile(pattern.toString(), Pattern.LITERAL) |
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.matcher(text) |
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while(matcher.find()) { |
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val span = if(smallEmojis) { |
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SmallEmojiSpan(WeakReference<View>(view)) |
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} else { |
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EmojiSpan(WeakReference<View>(view)) |
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} |
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builder.setSpan(span, matcher.start(), matcher.end(), 0); |
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Glide.with(view) |
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.asBitmap() |
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.load(emoji.url) |
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.into(span.getTarget()) |
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emojis.forEach { (shortcode, url) -> |
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val matcher = Pattern.compile(":$shortcode:", Pattern.LITERAL) |
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.matcher(this) |
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while(matcher.find()) { |
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val span = if(smallEmojis) { |
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SmallEmojiSpan(WeakReference<View>(view)) |
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} else { |
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EmojiSpan(WeakReference<View>(view)) |
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} |
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builder.setSpan(span, matcher.start(), matcher.end(), 0); |
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Glide.with(view) |
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.asBitmap() |
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.load(url) |
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.into(span.getTarget()) |
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} |
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return builder |
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} |
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return text |
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} |
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fun emojifyText(text: Spanned, emojis: List<Emoji>?, view: View) : Spanned { |
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return emojifyText(text, emojis, view, false) |
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} |
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fun emojifyString(string: String, emojis: List<Emoji>?, view: View, forceSmallEmoji: Boolean) : Spanned { |
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return emojifyText(SpannedString(string), emojis, view, forceSmallEmoji) |
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return builder |
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} |
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fun emojifyString(string: String, emojis: List<Emoji>?, view: View) : Spanned { |
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return emojifyString(string, emojis, view, false) |
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fun CharSequence.emojify(emojis: List<Emoji>?, view: View) : CharSequence { |
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return this.emojify(emojis, view, false) |
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} |
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public open class EmojiSpan(val viewWeakReference: WeakReference<View>) : ReplacementSpan() { |
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open class EmojiSpan(val viewWeakReference: WeakReference<View>) : ReplacementSpan() { |
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var imageDrawable: Drawable? = null |
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override fun getSize(paint: Paint, text: CharSequence, start: Int, end: Int, fm: Paint.FontMetricsInt?) : Int { |
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@ -104,27 +94,25 @@ public open class EmojiSpan(val viewWeakReference: WeakReference<View>) : Replac |
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} |
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override fun draw(canvas: Canvas, text: CharSequence, start: Int, end: Int, x: Float, top: Int, y: Int, bottom: Int, paint: Paint) { |
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if (imageDrawable == null) |
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return |
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canvas.save() |
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val emojiSize = getSize(paint, text, start, end, null) |
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imageDrawable!!.setBounds(0, 0, emojiSize, emojiSize) |
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var transY = bottom - imageDrawable!!.bounds.bottom |
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transY -= paint.fontMetricsInt.descent / 2; |
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canvas.translate(x, transY.toFloat()) |
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imageDrawable!!.draw(canvas) |
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canvas.restore() |
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imageDrawable?.let { drawable -> |
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canvas.save() |
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val emojiSize = getSize(paint, text, start, end, null) |
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drawable.setBounds(0, 0, emojiSize, emojiSize) |
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var transY = bottom - drawable.bounds.bottom |
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transY -= paint.fontMetricsInt.descent / 2; |
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canvas.translate(x, transY.toFloat()) |
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drawable.draw(canvas) |
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canvas.restore() |
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} |
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} |
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fun getTarget(): Target<Bitmap> { |
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return object : CustomTarget<Bitmap>() { |
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override fun onResourceReady(resource: Bitmap, transition: Transition<in Bitmap>?) { |
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val view = viewWeakReference.get() |
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if (view != null) { |
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viewWeakReference.get()?.let { view -> |
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imageDrawable = BitmapDrawable(view.context.resources, resource) |
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view.invalidate() |
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} |
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@ -135,7 +123,7 @@ public open class EmojiSpan(val viewWeakReference: WeakReference<View>) : Replac |
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} |
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} |
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public class SmallEmojiSpan(viewWeakReference: WeakReference<View>) |
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class SmallEmojiSpan(viewWeakReference: WeakReference<View>) |
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: EmojiSpan(viewWeakReference) { |
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override fun getSize(paint: Paint, text: CharSequence, start: Int, end: Int, fm: Paint.FontMetricsInt?): Int { |
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if (fm != null) { |
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@ -150,4 +138,4 @@ public class SmallEmojiSpan(viewWeakReference: WeakReference<View>) |
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return paint.textSize.toInt() |
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} |
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} |
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} |
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Alibek Omarov
5 years ago