mirror of https://github.com/M66B/FairEmail.git
Html helper failsafe
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M66B
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@ -2026,145 +2026,150 @@ public class HtmlHelper {
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}
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// Apply element
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String tag = element.tagName();
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int semi = tag.indexOf(':');
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if (semi >= 0)
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tag = tag.substring(semi + 1);
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switch (tag) {
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case "a":
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String href = element.attr("href");
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if (!TextUtils.isEmpty(href))
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ssb.setSpan(new URLSpan(href), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "body":
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// Do nothing
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break;
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case "big":
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ssb.setSpan(new RelativeSizeSpan(FONT_LARGE), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "blockquote":
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if (start == 0 || ssb.charAt(start - 1) != '\n')
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ssb.insert(start++, "\n");
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if (ssb.length() == 0 || ssb.charAt(ssb.length() - 1) != '\n')
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ssb.append("\n");
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try {
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String tag = element.tagName();
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int semi = tag.indexOf(':');
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if (semi >= 0)
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tag = tag.substring(semi + 1);
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P)
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ssb.setSpan(new QuoteSpan(colorPrimary), start, ssb.length(), Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
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else
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ssb.setSpan(new QuoteSpan(colorPrimary, dp3, dp6), start, ssb.length(), Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
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break;
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case "br":
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newline(ssb.length());
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break;
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case "div": // compose
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case "p": // compose
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newline(ssb.length());
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newline(ssb.length());
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break;
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case "i":
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case "em":
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ssb.setSpan(new StyleSpan(Typeface.ITALIC), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "font":
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// Do nothing
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break;
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case "h1":
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case "h2":
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case "h3":
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case "h4":
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case "h5":
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case "h6":
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int level = element.tagName().charAt(1) - '1';
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ssb.setSpan(new RelativeSizeSpan(HEADING_SIZES[level]), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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ssb.setSpan(new StyleSpan(Typeface.BOLD), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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newline(start);
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newline(ssb.length());
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break;
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case "hr":
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ssb.append("\n" + LINE + "\n");
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float stroke = context.getResources().getDisplayMetrics().density;
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ssb.setSpan(new LineSpan(colorSeparator, stroke),
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ssb.length() - 1 - LINE.length(), ssb.length() - 1, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "img":
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String src = element.attr("src");
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Drawable d = (imageGetter == null
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? context.getDrawable(R.drawable.baseline_broken_image_24)
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: imageGetter.getDrawable(src));
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ssb.insert(start, "\uFFFC"); // Object replacement character
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ssb.setSpan(new ImageSpan(d, src), start, start + 1, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "li":
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if (start == 0 || ssb.charAt(start - 1) != '\n')
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ssb.insert(start++, "\n");
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if (ssb.length() == 0 || ssb.charAt(ssb.length() - 1) != '\n')
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ssb.append("\n");
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switch (tag) {
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case "a":
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String href = element.attr("href");
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if (!TextUtils.isEmpty(href))
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ssb.setSpan(new URLSpan(href), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "body":
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// Do nothing
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break;
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case "big":
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ssb.setSpan(new RelativeSizeSpan(FONT_LARGE), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "blockquote":
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if (start == 0 || ssb.charAt(start - 1) != '\n')
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ssb.insert(start++, "\n");
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if (ssb.length() == 0 || ssb.charAt(ssb.length() - 1) != '\n')
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ssb.append("\n");
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Element parent = element.parent();
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if (parent == null || "ul".equals(parent.tagName()))
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P)
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ssb.setSpan(new BulletSpan(dp6, colorAccent), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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ssb.setSpan(new QuoteSpan(colorPrimary), start, ssb.length(), Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
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else
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ssb.setSpan(new BulletSpan(dp6, colorAccent, dp3), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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else {
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int index = 0;
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for (Node child : parent.childNodes()) {
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if (child instanceof Element &&
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child.nodeName().equals(element.tagName())) {
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index++;
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if (child == element)
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break;
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}
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}
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ssb.setSpan(new QuoteSpan(colorPrimary, dp3, dp6), start, ssb.length(), Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
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break;
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case "br":
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newline(ssb.length());
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break;
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case "div": // compose
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case "p": // compose
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newline(ssb.length());
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newline(ssb.length());
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break;
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case "i":
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case "em":
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ssb.setSpan(new StyleSpan(Typeface.ITALIC), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "font":
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// Do nothing
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break;
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case "h1":
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case "h2":
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case "h3":
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case "h4":
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case "h5":
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case "h6":
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int level = element.tagName().charAt(1) - '1';
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ssb.setSpan(new RelativeSizeSpan(HEADING_SIZES[level]), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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ssb.setSpan(new StyleSpan(Typeface.BOLD), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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newline(start);
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newline(ssb.length());
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break;
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case "hr":
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ssb.append("\n" + LINE + "\n");
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float stroke = context.getResources().getDisplayMetrics().density;
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ssb.setSpan(new LineSpan(colorSeparator, stroke),
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ssb.length() - 1 - LINE.length(), ssb.length() - 1, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "img":
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String src = element.attr("src");
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Drawable d = (imageGetter == null
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? context.getDrawable(R.drawable.baseline_broken_image_24)
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: imageGetter.getDrawable(src));
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ssb.insert(start, "\uFFFC"); // Object replacement character
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ssb.setSpan(new ImageSpan(d, src), start, start + 1, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "li":
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if (start == 0 || ssb.charAt(start - 1) != '\n')
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ssb.insert(start++, "\n");
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if (ssb.length() == 0 || ssb.charAt(ssb.length() - 1) != '\n')
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ssb.append("\n");
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float textSize = Helper.getTextSize(context, 0);
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ssb.setSpan(new NumberSpan(dp6, colorAccent, textSize, index), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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}
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break;
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case "ol":
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case "ul":
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int llevel = 0;
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Element lparent = element.parent();
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while (lparent != null) {
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if (lparent.tagName().equals(element.tagName()))
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llevel++;
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lparent = lparent.parent();
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}
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if (llevel > 0)
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ssb.setSpan(new LeadingMarginSpan.Standard(llevel * dp24), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "small":
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ssb.setSpan(new RelativeSizeSpan(FONT_SMALL), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "span":
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// Do nothing
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break;
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case "sub":
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ssb.setSpan(new SubscriptSpan(), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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ssb.setSpan(new RelativeSizeSpan(FONT_SMALL), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "sup":
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ssb.setSpan(new SuperscriptSpan(), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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ssb.setSpan(new RelativeSizeSpan(FONT_SMALL), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "b":
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case "strong":
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ssb.setSpan(new StyleSpan(Typeface.BOLD), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "s":
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case "del":
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case "strike":
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ssb.setSpan(new StrikethroughSpan(), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "tt":
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ssb.setSpan(new TypefaceSpan("monospace"), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "u":
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ssb.setSpan(new UnderlineSpan(), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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default:
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if (warn)
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Log.e("Unknown tag=" + element.tagName());
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Element parent = element.parent();
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if (parent == null || "ul".equals(parent.tagName()))
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P)
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ssb.setSpan(new BulletSpan(dp6, colorAccent), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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else
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ssb.setSpan(new BulletSpan(dp6, colorAccent, dp3), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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else {
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int index = 0;
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for (Node child : parent.childNodes()) {
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if (child instanceof Element &&
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child.nodeName().equals(element.tagName())) {
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index++;
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if (child == element)
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break;
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}
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}
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float textSize = Helper.getTextSize(context, 0);
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ssb.setSpan(new NumberSpan(dp6, colorAccent, textSize, index), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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}
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break;
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case "ol":
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case "ul":
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int llevel = 0;
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Element lparent = element.parent();
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while (lparent != null) {
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if (lparent.tagName().equals(element.tagName()))
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llevel++;
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lparent = lparent.parent();
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}
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if (llevel > 0)
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ssb.setSpan(new LeadingMarginSpan.Standard(llevel * dp24), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "small":
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ssb.setSpan(new RelativeSizeSpan(FONT_SMALL), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "span":
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// Do nothing
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break;
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case "sub":
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ssb.setSpan(new SubscriptSpan(), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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ssb.setSpan(new RelativeSizeSpan(FONT_SMALL), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "sup":
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ssb.setSpan(new SuperscriptSpan(), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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ssb.setSpan(new RelativeSizeSpan(FONT_SMALL), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "b":
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case "strong":
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ssb.setSpan(new StyleSpan(Typeface.BOLD), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "s":
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case "del":
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case "strike":
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ssb.setSpan(new StrikethroughSpan(), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "tt":
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ssb.setSpan(new TypefaceSpan("monospace"), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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case "u":
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ssb.setSpan(new UnderlineSpan(), start, ssb.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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break;
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default:
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if (warn)
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Log.e("Unknown tag=" + element.tagName());
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}
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} catch (Throwable ex) {
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Log.e(ex);
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}
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}
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}
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