WiP: #559 Use emojis for checkboxes in widgets if possible (8ff512b1) · Commits · e / os / Notes

markdown/src/main/java/it/niedermann/android/markdown/MarkdownUtil.java

+57 −1

Original line number	Diff line number	Diff line
		package it.niedermann.android.markdown;

		import android.content.Context;
		import android.graphics.Paint;
		import android.os.Build;
		import android.text.Editable;
		import android.text.Spannable;
		import android.text.SpannableString;
		@@ -13,12 +15,16 @@ import android.widget.TextView;
		import androidx.annotation.ColorInt;
		import androidx.annotation.NonNull;
		import androidx.annotation.Nullable;
		import androidx.annotation.RequiresApi;
		import androidx.core.text.HtmlCompat;
		import androidx.core.text.TextUtilsCompat;

		import com.yydcdut.markdown.MarkdownProcessor;
		import com.yydcdut.markdown.syntax.text.TextFactory;
		import com.yydcdut.rxmarkdown.RxMarkdown;

		import java.util.Arrays;
		import java.util.List;
		import java.util.regex.Matcher;
		import java.util.regex.Pattern;

		@@ -47,6 +53,11 @@ public class MarkdownUtil {
		private static final Pattern PATTERN_ORDERED_LIST_ITEM_EMPTY = Pattern.compile("^(\\d+).\\s$");
		private static final Pattern PATTERN_MARKDOWN_LINK = Pattern.compile("\\[(.+)?]\$([^ ]+?)?( \"(.+)\")?\$");

		@Nullable
		private static final String checkboxCheckedEmoji = getCheckboxCheckedEmoji();
		@Nullable
		private static final String checkboxUncheckedEmoji = getCheckboxUncheckedEmoji();

		private MarkdownUtil() {
		// Util class
		}
		@@ -61,7 +72,52 @@ public class MarkdownUtil {
		public static CharSequence renderForRemoteView(@NonNull Context context, @NonNull CharSequence content) {
		final MarkdownProcessor markdownProcessor = new MarkdownProcessor(context);
		markdownProcessor.factory(TextFactory.create());
		return parseCompat(markdownProcessor, content);
		final CharSequence parsed = parseCompat(markdownProcessor, content);
		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
		return replaceCheckboxesWithEmojis(parsed);
		} else {
		return parsed;
		}
		}

		@RequiresApi(api = Build.VERSION_CODES.M)
		private static CharSequence replaceCheckboxesWithEmojis(CharSequence parsed) {
		if (checkboxCheckedEmoji != null) {
		// TODO replace
		TextUtils.replace(parsed, new String[] {"- [x]"}, new String[] {
		checkboxCheckedEmoji
		});
		}
		if (checkboxUncheckedEmoji != null) {
		// TODO replace
		}
		return parsed;
		}

		private static String getCheckboxCheckedEmoji() {
		final List<String> emojis = Arrays.asList("✅", "☑️", "✔️");
		final Paint paint = new Paint();
		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
		for(String emoji : emojis) {
		if (paint.hasGlyph(emoji)) {
		return emoji;
		}
		}
		}
		return null;
		}

		private static String getCheckboxUncheckedEmoji() {
		final List<String> emojis = Arrays.asList("❌", "\uD83D\uDD32️", "☐️");
		final Paint paint = new Paint();
		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
		for(String emoji : emojis) {
		if (paint.hasGlyph(emoji)) {
		return emoji;
		}
		}
		}
		return null;
		}

		/**