84 lines
2.9 KiB
Java
84 lines
2.9 KiB
Java
package org.session.libsession.avatars;
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import android.content.Context;
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import android.graphics.Color;
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import android.graphics.Typeface;
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import android.graphics.drawable.Drawable;
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import android.graphics.drawable.LayerDrawable;
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import android.text.TextUtils;
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import androidx.annotation.DrawableRes;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import com.amulyakhare.textdrawable.TextDrawable;
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import org.session.libsession.R;
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import org.session.libsession.utilities.ThemeUtil;
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import org.session.libsession.utilities.ViewUtil;
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import java.util.regex.Pattern;
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public class GeneratedContactPhoto implements FallbackContactPhoto {
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private static final Pattern PATTERN = Pattern.compile("[^\\p{L}\\p{Nd}\\p{S}]+");
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private static final Typeface TYPEFACE = Typeface.create("sans-serif-medium", Typeface.NORMAL);
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private final String name;
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private final int fallbackResId;
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public GeneratedContactPhoto(@NonNull String name, @DrawableRes int fallbackResId) {
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this.name = name;
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this.fallbackResId = fallbackResId;
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}
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@Override
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public Drawable asDrawable(Context context, int color) {
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return asDrawable(context, color,false);
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}
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@Override
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public Drawable asDrawable(Context context, int color, boolean inverted) {
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int targetSize = context.getResources().getDimensionPixelSize(R.dimen.contact_photo_target_size);
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String character = getAbbreviation(name);
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if (!TextUtils.isEmpty(character)) {
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Drawable base = TextDrawable.builder()
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.beginConfig()
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.width(targetSize)
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.height(targetSize)
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.useFont(TYPEFACE)
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.fontSize(ViewUtil.dpToPx(context, 24))
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.textColor(inverted ? color : Color.WHITE)
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.endConfig()
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.buildRound(character, inverted ? Color.WHITE : color);
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Drawable gradient = context.getResources().getDrawable(ThemeUtil.isDarkTheme(context) ? R.drawable.avatar_gradient_dark
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: R.drawable.avatar_gradient_light);
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return new LayerDrawable(new Drawable[] { base, gradient });
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}
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return new ResourceContactPhoto(fallbackResId).asDrawable(context, color, inverted);
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}
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private @Nullable String getAbbreviation(String name) {
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String[] parts = name.split(" ");
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StringBuilder builder = new StringBuilder();
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int count = 0;
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for (int i = 0; i < parts.length && count < 2; i++) {
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String cleaned = PATTERN.matcher(parts[i]).replaceFirst("");
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if (!TextUtils.isEmpty(cleaned)) {
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builder.appendCodePoint(cleaned.codePointAt(0));
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count++;
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}
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}
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if (builder.length() == 0) {
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return null;
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} else {
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return builder.toString();
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}
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}
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}
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