mirror of https://codeberg.org/tom79/Fedilab
parent
941dd21561
commit
0bdee201e7
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package app.fedilab.android.helper;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.drawable.Drawable;
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import android.text.Spannable;
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import android.text.style.ReplacementSpan;
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import android.util.Log;
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import android.view.View;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.preference.PreferenceManager;
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import com.bumptech.glide.Glide;
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import com.bumptech.glide.request.target.CustomTarget;
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import com.bumptech.glide.request.target.Target;
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import com.bumptech.glide.request.transition.Transition;
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import java.lang.ref.WeakReference;
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import java.util.List;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import app.fedilab.android.R;
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import app.fedilab.android.client.entities.api.Emoji;
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public class CustomEmoji extends ReplacementSpan {
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private final View view;
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private final float scale;
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private Drawable imageDrawable;
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CustomEmoji(WeakReference<View> viewWeakReference) {
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Context mContext = viewWeakReference.get().getContext();
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view = viewWeakReference.get();
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SharedPreferences sharedpreferences = PreferenceManager.getDefaultSharedPreferences(mContext);
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scale = sharedpreferences.getFloat(mContext.getString(R.string.SET_FONT_SCALE), 1.0f);
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}
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public static void displayEmoji(List<Emoji> emojis, Spannable spannableString, WeakReference<View> viewWeakReference) {
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View view = viewWeakReference.get();
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SharedPreferences sharedpreferences = PreferenceManager.getDefaultSharedPreferences(view.getContext());
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boolean animate = !sharedpreferences.getBoolean(view.getContext().getString(R.string.SET_DISABLE_GIF), false);
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for (Emoji emoji : emojis) {
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Matcher matcher = Pattern.compile(":" + emoji.shortcode + ":", Pattern.LITERAL)
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.matcher(spannableString);
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while (matcher.find()) {
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CustomEmoji customEmoji = new CustomEmoji(viewWeakReference);
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spannableString.setSpan(customEmoji, matcher.start(), matcher.end(), 0);
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Glide.with(view)
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.asDrawable()
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.load(animate ? emoji.url : emoji.static_url)
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.into(customEmoji.getTarget(animate));
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}
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}
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}
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@Override
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public int getSize(@NonNull Paint paint, CharSequence charSequence, int i, int i1, @Nullable Paint.FontMetricsInt fontMetricsInt) {
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Log.v(Helper.TAG, "fontMetricsInt: " + fontMetricsInt);
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if (fontMetricsInt != null) {
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Paint.FontMetrics fontMetrics = paint.getFontMetrics();
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fontMetricsInt.top = (int) fontMetrics.top;
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fontMetricsInt.ascent = (int) fontMetrics.ascent;
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fontMetricsInt.descent = (int) fontMetrics.descent;
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fontMetricsInt.bottom = (int) fontMetrics.bottom;
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}
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return (int) (paint.getTextSize() * scale);
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}
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@Override
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public void draw(@NonNull Canvas canvas, CharSequence charSequence, int start, int end, float x, int top, int y, int bottom, @NonNull Paint paint) {
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if (imageDrawable != null) {
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canvas.save();
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int emojiSize = (int) (paint.getTextSize() * scale);
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Drawable drawable = imageDrawable;
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drawable.setBounds(0, 0, emojiSize, emojiSize);
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int transY = bottom - drawable.getBounds().bottom;
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Log.v(Helper.TAG, "transY: " + transY);
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transY -= paint.getFontMetrics().descent / 2;
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Log.v(Helper.TAG, "transY: " + transY);
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canvas.translate(x, (float) transY);
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Log.v(Helper.TAG, "x: " + x);
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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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public Target<Drawable> getTarget(boolean animate) {
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return new CustomTarget<Drawable>() {
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@Override
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public void onResourceReady(@NonNull Drawable resource, @Nullable Transition<? super Drawable> transition) {
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if (animate) {
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Drawable.Callback callback = resource.getCallback();
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resource.setCallback(new Drawable.Callback() {
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@Override
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public void invalidateDrawable(@NonNull Drawable drawable) {
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callback.invalidateDrawable(drawable);
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view.invalidate();
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}
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@Override
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public void scheduleDrawable(@NonNull Drawable drawable, @NonNull Runnable runnable, long l) {
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callback.scheduleDrawable(drawable, runnable, l);
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}
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@Override
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public void unscheduleDrawable(@NonNull Drawable drawable, @NonNull Runnable runnable) {
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callback.unscheduleDrawable(drawable, runnable);
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}
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});
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}
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Log.v(Helper.TAG, "imageDrawable2: " + imageDrawable);
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imageDrawable = resource;
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view.invalidate();
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}
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@Override
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public void onLoadCleared(@Nullable Drawable placeholder) {
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}
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};
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}
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}
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@ -0,0 +1,2 @@
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<?xml version="1.0" encoding="utf-8"?>
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<shape />
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