Add RelativeSizeSpan support to SpannedHtmlConverter

PiperOrigin-RevId: 309391401
This commit is contained in:
ibaker 2020-05-01 13:00:45 +01:00 committed by Oliver Woodman
parent 192b6832b6
commit e11ae734ed
2 changed files with 21 additions and 1 deletions

View File

@ -22,6 +22,7 @@ import android.text.Spanned;
import android.text.style.AbsoluteSizeSpan;
import android.text.style.BackgroundColorSpan;
import android.text.style.ForegroundColorSpan;
import android.text.style.RelativeSizeSpan;
import android.text.style.StyleSpan;
import android.text.style.TypefaceSpan;
import android.text.style.UnderlineSpan;
@ -145,6 +146,9 @@ import java.util.regex.Pattern;
? absoluteSizeSpan.getSize()
: absoluteSizeSpan.getSize() / displayDensity;
return Util.formatInvariant("<span style='font-size:%.2fpx;'>", sizeCssPx);
} else if (span instanceof RelativeSizeSpan) {
return Util.formatInvariant(
"<span style='font-size:%.2f%%;'>", ((RelativeSizeSpan) span).getSizeChange());
} else if (span instanceof TypefaceSpan) {
@Nullable String fontFamily = ((TypefaceSpan) span).getFamily();
return fontFamily != null
@ -185,7 +189,8 @@ import java.util.regex.Pattern;
if (span instanceof ForegroundColorSpan
|| span instanceof BackgroundColorSpan
|| span instanceof HorizontalTextInVerticalContextSpan
|| span instanceof AbsoluteSizeSpan) {
|| span instanceof AbsoluteSizeSpan
|| span instanceof RelativeSizeSpan) {
return "</span>";
} else if (span instanceof TypefaceSpan) {
@Nullable String fontFamily = ((TypefaceSpan) span).getFamily();

View File

@ -25,6 +25,7 @@ import android.text.Spanned;
import android.text.style.AbsoluteSizeSpan;
import android.text.style.BackgroundColorSpan;
import android.text.style.ForegroundColorSpan;
import android.text.style.RelativeSizeSpan;
import android.text.style.StyleSpan;
import android.text.style.TypefaceSpan;
import android.text.style.UnderlineSpan;
@ -130,6 +131,20 @@ public class SpannedToHtmlConverterTest {
assertThat(html).isEqualTo("String with <span style='font-size:10.00px;'>10dp</span> section");
}
@Test
public void convert_supportsRelativeSizeSpan() {
SpannableString spanned = new SpannableString("String with 10% section");
spanned.setSpan(
new RelativeSizeSpan(/* proportion= */ 10),
"String with ".length(),
"String with 10%".length(),
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
String html = SpannedToHtmlConverter.convert(spanned, displayDensity);
assertThat(html).isEqualTo("String with <span style='font-size:10.00%;'>10%</span> section");
}
@Test
public void convert_supportsTypefaceSpan() {
SpannableString spanned = new SpannableString("String with Times New Roman section");