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am d0b79cc1: Add verbalization of symbols that are unsupported by TTS/TalkBack 

* commit 'd0b79cc12a7ea064bbd6bae51ed61bda13d938bd':
  Add verbalization of symbols that are unsupported by TTS/TalkBack
main
Tadashi G. Takaoka 2014-06-02 08:46:27 +00:00 committed by Android Git Automerger
parent 81a7089012 d0b79cc12a
commit 909ee65bea
4 changed files with 96 additions and 4 deletions
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4
java/res/values/strings-emoji-descriptions.xml
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@ -17,6 +17,10 @@
** limitations under the License.
*/
-->
<!--
These Emoji symbols are unsupported by TTS.
TODO: Remove this file when TTS/TalkBack support these Emoji symbols.
-->
<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
<!-- Spoken description for Unicode code point U+00A9: "©" COPYRIGHT SIGN -->
<string name="spoken_emoji_00A9">Copyright sign</string>

64
java/res/values/strings-letter-descriptions.xml
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@ -17,7 +17,11 @@
** limitations under the License.
*/
-->
<!-- TODO: Remove this file when TTS/TalkBack support these letters. -->
<!--
These accented letters (spoken_accented_letter_*) are unsupported by TTS.
These symbols (spoken_symbol_*) are also unsupported by TTS.
TODO: Remove these string resources when TTS/TalkBack support these letters.
-->
<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
<!-- Spoken description for Unicode code point U+00AA: "ª" FEMININE ORDINAL INDICATOR -->
<string name="spoken_accented_letter_00AA">Feminine ordinal indicator</string>
@ -319,4 +323,62 @@
<string name="spoken_accented_letter_1EF7">Y, hook above</string>
<!-- Spoken description for Unicode code point U+1EF9: "ỹ" LATIN SMALL LETTER Y WITH TILDE -->
<string name="spoken_accented_letter_1EF9">Y, tilde</string>
<!-- Spoken description for Unicode code point U+00A1: "¡" INVERTED EXCLAMATION MARK -->
<string name="spoken_symbol_00A1">Inverted exclamation mark</string>
<!-- Spoken description for Unicode code point U+00AB: "«" LEFT-POINTING DOUBLE ANGLE QUOTATION MARK -->
<string name="spoken_symbol_00AB">Left-pointing double angle quotation mark</string>
<!-- Spoken description for Unicode code point U+00B7: "·" MIDDLE DOT -->
<string name="spoken_symbol_00B7">Middle dot</string>
<!-- Spoken description for Unicode code point U+00B9: "¹" SUPERSCRIPT ONE -->
<string name="spoken_symbol_00B9">Superscript one</string>
<!-- Spoken description for Unicode code point U+00BB: "»" RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK -->
<string name="spoken_symbol_00BB">Right-pointing double angle quotation mark</string>
<!-- Spoken description for Unicode code point U+00BF: "¿" INVERTED QUESTION MARK -->
<string name="spoken_symbol_00BF">Inverted question mark</string>
<!-- Spoken description for Unicode code point U+2018: "‘" LEFT SINGLE QUOTATION MARK -->
<string name="spoken_symbol_2018">Left single quotation mark</string>
<!-- Spoken description for Unicode code point U+2019: "’" RIGHT SINGLE QUOTATION MARK -->
<string name="spoken_symbol_2019">Right single quotation mark</string>
<!-- Spoken description for Unicode code point U+201A: "‚" SINGLE LOW-9 QUOTATION MARK -->
<string name="spoken_symbol_201A">Single low-9 quotation mark</string>
<!-- Spoken description for Unicode code point U+201C: "“" LEFT DOUBLE QUOTATION MARK -->
<string name="spoken_symbol_201C">Left double quotation mark</string>
<!-- Spoken description for Unicode code point U+201D: "”" RIGHT DOUBLE QUOTATION MARK -->
<string name="spoken_symbol_201D">Right double quotation mark</string>
<!-- Spoken description for Unicode code point U+2020: "†" DAGGER -->
<string name="spoken_symbol_2020">Dagger</string>
<!-- Spoken description for Unicode code point U+2021: "‡" DOUBLE DAGGER -->
<string name="spoken_symbol_2021">Double dagger</string>
<!-- Spoken description for Unicode code point U+2030: "‰" PER MILLE SIGN -->
<string name="spoken_symbol_2030">Per mille sign</string>
<!-- Spoken description for Unicode code point U+2032: "′" PRIME -->
<string name="spoken_symbol_2032">Prime</string>
<!-- Spoken description for Unicode code point U+2033: "″" DOUBLE PRIME -->
<string name="spoken_symbol_2033">Double prime</string>
<!-- Spoken description for Unicode code point U+2039: "‹" SINGLE LEFT-POINTING ANGLE QUOTATION MARK -->
<string name="spoken_symbol_2039">Single left-pointing angle quotation mark</string>
<!-- Spoken description for Unicode code point U+203A: "›" SINGLE RIGHT-POINTING ANGLE QUOTATION MARK -->
<string name="spoken_symbol_203A">Single right-pointing angle quotation mark</string>
<!-- Spoken description for Unicode code point U+2074: "⁴" SUPERSCRIPT FOUR -->
<string name="spoken_symbol_2074">Superscript four</string>
<!-- Spoken description for Unicode code point U+207F: "ⁿ" SUPERSCRIPT LATIN SMALL LETTER N -->
<string name="spoken_symbol_207F">Superscript latin small letter n</string>
<!-- Spoken description for Unicode code point U+20B1: "₱" PESO SIGN -->
<string name="spoken_symbol_20B1">Peso sign</string>
<!-- Spoken description for Unicode code point U+2105: "℅" CARE OF -->
<string name="spoken_symbol_2105">Care of</string>
<!-- Spoken description for Unicode code point U+2192: "→" RIGHTWARDS ARROW -->
<string name="spoken_symbol_2192">Rightwards arrow</string>
<!-- Spoken description for Unicode code point U+2193: "↓" DOWNWARDS ARROW -->
<string name="spoken_symbol_2193">Downwards arrow</string>
<!-- Spoken description for Unicode code point U+2205: "∅" EMPTY SET -->
<string name="spoken_symbol_2205">Empty set</string>
<!-- Spoken description for Unicode code point U+2206: "∆" INCREMENT -->
<string name="spoken_symbol_2206">Increment</string>
<!-- Spoken description for Unicode code point U+2264: "≤" LESS-THAN OR EQUAL TO -->
<string name="spoken_symbol_2264">Less-than or equal to</string>
<!-- Spoken description for Unicode code point U+2265: "≥" GREATER-THAN OR EQUAL TO -->
<string name="spoken_symbol_2265">Greater-than or equal to</string>
<!-- Spoken description for Unicode code point U+2605: "★" BLACK STAR -->
<string name="spoken_symbol_2605">Black star</string>
</resources>

4
java/res/values/strings-talkback-descriptions.xml
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@ -32,7 +32,7 @@
<string name="spoken_auto_correct_obscured"><xliff:g id="KEY_NAME" example="Space">%1$s</xliff:g> performs auto-correction</string>
<!-- Spoken description for unknown keyboard keys. -->
<string name="spoken_description_unknown">Key code %d</string>
<string name="spoken_description_unknown">Unknown character</string>
<!-- Spoken description for the "Shift" keyboard key when "Shift" is off. -->
<string name="spoken_description_shift">Shift</string>
<!-- Spoken description for the "Shift" keyboard key in symbols mode. -->
@ -135,6 +135,8 @@
<!-- Spoken description for Unicode code point U+0130: "İ" LATIN CAPITAL LETTER I WITH DOT ABOVE
Note that depending on locale, the lower-case of this letter is U+0069 or U+0131. -->
<string name="spoken_letter_0130">Capital I, dot above</string>
<!-- Spoken description for unknown symbol code point. -->
<string name="spoken_symbol_unknown">Unknown symbol</string>
<!-- Spoken description for unknown emoji code point. -->
<string name="spoken_emoji_unknown">Unknown emoji</string>
</resources>

28
java/src/com/android/inputmethod/accessibility/KeyCodeDescriptionMapper.java
View File

@ -34,6 +34,7 @@ import java.util.Locale;
public final class KeyCodeDescriptionMapper {
private static final String TAG = KeyCodeDescriptionMapper.class.getSimpleName();
private static final String SPOKEN_LETTER_RESOURCE_NAME_FORMAT = "spoken_accented_letter_%04X";
private static final String SPOKEN_SYMBOL_RESOURCE_NAME_FORMAT = "spoken_symbol_%04X";
private static final String SPOKEN_EMOJI_RESOURCE_NAME_FORMAT = "spoken_emoji_%04X";
// The resource ID of the string spoken for obscured keys
@ -290,6 +291,10 @@ public final class KeyCodeDescriptionMapper {
return accentedLetter;
}
// Here, <code>code</code> may be a base (non-accented) letter.
final String unsupportedSymbol = getSpokenSymbolDescription(context, code);
if (unsupportedSymbol != null) {
return unsupportedSymbol;
}
final String emojiDescription = getSpokenEmojiDescription(context, code);
if (emojiDescription != null) {
return emojiDescription;
@ -303,6 +308,7 @@ public final class KeyCodeDescriptionMapper {
return context.getString(R.string.spoken_description_unknown, code);
}
// TODO: Remove this method once TTS supports those accented letters' verbalization.
private String getSpokenAccentedLetterDescription(final Context context, final int code) {
final boolean isUpperCase = Character.isUpperCase(code);
final int baseCode = isUpperCase ? Character.toLowerCase(code) : code;
@ -317,14 +323,32 @@ public final class KeyCodeDescriptionMapper {
: spokenText;
}
// TODO: Remove this method once TTS supports those symbols' verbalization.
private String getSpokenSymbolDescription(final Context context, final int code) {
final int resId = getSpokenDescriptionId(context, code, SPOKEN_SYMBOL_RESOURCE_NAME_FORMAT);
if (resId == 0) {
return null;
}
final String spokenText = context.getString(resId);
if (!TextUtils.isEmpty(spokenText)) {
return spokenText;
}
// If a translated description is empty, fall back to unknown symbol description.
return context.getString(R.string.spoken_symbol_unknown);
}
// TODO: Remove this method once TTS supports emoji verbalization.
private String getSpokenEmojiDescription(final Context context, final int code) {
final int resId = getSpokenDescriptionId(context, code, SPOKEN_EMOJI_RESOURCE_NAME_FORMAT);
if (resId == 0) {
return null;
}
final String spokenText = context.getString(resId);
return TextUtils.isEmpty(spokenText) ? context.getString(R.string.spoken_emoji_unknown)
: spokenText;
if (!TextUtils.isEmpty(spokenText)) {
return spokenText;
}
// If a translated description is empty, fall back to unknown emoji description.
return context.getString(R.string.spoken_emoji_unknown);
}
private int getSpokenDescriptionId(final Context context, final int code,