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Add TypefaceSpan support to SpannedToHtmlConverter

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PiperOrigin-RevId: 309390050
This commit is contained in:
ibaker 2020-05-01 12:42:00 +01:00 committed by Oliver Woodman
parent 10db7a9c45
commit fa0178d043
2 changed files with 41 additions and 0 deletions
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9
library/ui/src/main/java/com/google/android/exoplayer2/ui/SpannedToHtmlConverter.java
View File

@ -22,6 +22,7 @@ import android.text.Spanned;
import android.text.style.BackgroundColorSpan;
import android.text.style.ForegroundColorSpan;
import android.text.style.StyleSpan;
import android.text.style.TypefaceSpan;
import android.text.style.UnderlineSpan;
import android.util.SparseArray;
import androidx.annotation.Nullable;
@ -131,6 +132,11 @@ import java.util.regex.Pattern;
HtmlUtils.toCssRgba(colorSpan.getBackgroundColor()));
} else if (span instanceof HorizontalTextInVerticalContextSpan) {
return "<span style='text-combine-upright:all;'>";
} else if (span instanceof TypefaceSpan) {
@Nullable String fontFamily = ((TypefaceSpan) span).getFamily();
return fontFamily != null
? Util.formatInvariant("<span style='font-family:\"%s\";'>", fontFamily)
: null;
} else if (span instanceof StyleSpan) {
switch (((StyleSpan) span).getStyle()) {
case Typeface.BOLD:
@ -167,6 +173,9 @@ import java.util.regex.Pattern;
|| span instanceof BackgroundColorSpan
|| span instanceof HorizontalTextInVerticalContextSpan) {
return "</span>";
} else if (span instanceof TypefaceSpan) {
@Nullable String fontFamily = ((TypefaceSpan) span).getFamily();
return fontFamily != null ? "</span>" : null;
} else if (span instanceof StyleSpan) {
switch (((StyleSpan) span).getStyle()) {
case Typeface.BOLD:

32
library/ui/src/test/java/com/google/android/exoplayer2/ui/SpannedToHtmlConverterTest.java
View File

@ -25,6 +25,7 @@ import android.text.Spanned;
import android.text.style.BackgroundColorSpan;
import android.text.style.ForegroundColorSpan;
import android.text.style.StyleSpan;
import android.text.style.TypefaceSpan;
import android.text.style.UnderlineSpan;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import com.google.android.exoplayer2.text.span.HorizontalTextInVerticalContextSpan;
@ -85,6 +86,37 @@ public class SpannedToHtmlConverterTest {
+ "horizontal numbers");
}
@Test
public void convert_supportsTypefaceSpan() {
SpannableString spanned = new SpannableString("String with Times New Roman section");
spanned.setSpan(
new TypefaceSpan(/* family= */ "Times New Roman"),
"String with ".length(),
"String with Times New Roman".length(),
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
String html = SpannedToHtmlConverter.convert(spanned);
assertThat(html)
.isEqualTo(
"String with <span style='font-family:\"Times New Roman\";'>Times New Roman</span>"
+ " section");
}
@Test
public void convert_supportsTypefaceSpan_nullFamily() {
SpannableString spanned = new SpannableString("String with unstyled section");
spanned.setSpan(
new TypefaceSpan(/* family= */ (String) null),
"String with ".length(),
"String with unstyled".length(),
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
String html = SpannedToHtmlConverter.convert(spanned);
assertThat(html).isEqualTo("String with unstyled section");
}
@Test
public void convert_supportsStyleSpan() {
SpannableString spanned =