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Refactor KeyCodeDescriptionMapper class a bit

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This CL adds getDescriptionForCode() method.

Bug: 15500282
Change-Id: I3bb92c8f356ea623fc992c924506b11e09256e98
This commit is contained in:
Tadashi G. Takaoka 2014-06-09 15:48:20 +09:00
parent f4d3a6a31a
commit 24fab555f9
2 changed files with 28 additions and 43 deletions
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3
java/res/values-kk/strings-talkback-descriptions.xml
View file

@ -27,7 +27,8 @@
<skip />
<!-- no translation found for spoken_auto_correct_obscured (6276420476908833791) -->
<skip />
<string name="spoken_description_unknown" msgid="3197434010402179157">"Перне коды %d"</string>
<!-- no translation found for spoken_description_unknown (5139930082759824442) -->
<skip />
<string name="spoken_description_shift" msgid="244197883292549308">"Shift"</string>
<string name="spoken_description_shift_shifted" msgid="1681877323344195035">"Shift қосулы (өшіру үшін түрту)"</string>
<string name="spoken_description_caps_lock" msgid="3276478269526304432">"Caps lock қосулы (өшіру үшін түрту)"</string>

68
java/src/com/android/inputmethod/accessibility/KeyCodeDescriptionMapper.java
View file

@ -28,6 +28,7 @@ import com.android.inputmethod.keyboard.Keyboard;
import com.android.inputmethod.keyboard.KeyboardId;
import com.android.inputmethod.latin.Constants;
import com.android.inputmethod.latin.R;
import com.android.inputmethod.latin.utils.StringUtils;
import java.util.Locale;
@ -79,14 +80,6 @@ final class KeyCodeDescriptionMapper {
/**
* Returns the localized description of the action performed by a specified
* key based on the current keyboard state.
* <p>
* The order of precedence for key descriptions is:
* <ol>
* <li>Manually-defined based on the key label</li>
* <li>Automatic or manually-defined based on the key code</li>
* <li>Automatically based on the key label</li>
* <li>{code null} for keys with no label or key code defined</li>
* </p>
*
* @param context The package's context.
* @param keyboard The keyboard on which the key resides.
@ -121,7 +114,20 @@ final class KeyCodeDescriptionMapper {
// Just attempt to speak the description.
if (code != Constants.CODE_UNSPECIFIED) {
return getDescriptionForKeyCode(context, keyboard, key, shouldObscure);
// If the key description should be obscured, now is the time to do it.
final boolean isDefinedNonCtrl = Character.isDefined(code)
&& !Character.isISOControl(code);
if (shouldObscure && isDefinedNonCtrl) {
return context.getString(OBSCURED_KEY_RES_ID);
}
final String description = getDescriptionForCodePoint(context, code);
if (description != null) {
return description;
}
if (!TextUtils.isEmpty(key.getLabel())) {
return key.getLabel();
}
return context.getString(R.string.spoken_description_unknown);
}
return null;
}
@ -247,57 +253,35 @@ final class KeyCodeDescriptionMapper {
/**
* Returns a localized character sequence describing what will happen when
* the specified key is pressed based on its key code.
* <p>
* The order of precedence for key code descriptions is:
* <ol>
* <li>Manually-defined shift-locked description</li>
* <li>Manually-defined shifted description</li>
* <li>Manually-defined normal description</li>
* <li>Automatic based on the character represented by the key code</li>
* <li>Fall-back for undefined or control characters</li>
* </ol>
* </p>
* the specified key is pressed based on its key code point.
*
* @param context The package's context.
* @param keyboard The keyboard on which the key resides.
* @param key The key from which to obtain a description.
* @param shouldObscure {@true} if text (e.g. non-control) characters should be obscured.
* @return a character sequence describing the action performed by pressing the key
* @param codePoint The code point from which to obtain a description.
* @return a character sequence describing the code point.
*/
private String getDescriptionForKeyCode(final Context context, final Keyboard keyboard,
final Key key, final boolean shouldObscure) {
final int code = key.getCode();
public String getDescriptionForCodePoint(final Context context, final int codePoint) {
// If the key description should be obscured, now is the time to do it.
final boolean isDefinedNonCtrl = Character.isDefined(code) && !Character.isISOControl(code);
if (shouldObscure && isDefinedNonCtrl) {
return context.getString(OBSCURED_KEY_RES_ID);
}
final int index = mKeyCodeMap.indexOfKey(code);
final int index = mKeyCodeMap.indexOfKey(codePoint);
if (index >= 0) {
return context.getString(mKeyCodeMap.valueAt(index));
}
final String accentedLetter = getSpokenAccentedLetterDescription(context, code);
final String accentedLetter = getSpokenAccentedLetterDescription(context, codePoint);
if (accentedLetter != null) {
return accentedLetter;
}
// Here, <code>code</code> may be a base (non-accented) letter.
final String unsupportedSymbol = getSpokenSymbolDescription(context, code);
final String unsupportedSymbol = getSpokenSymbolDescription(context, codePoint);
if (unsupportedSymbol != null) {
return unsupportedSymbol;
}
final String emojiDescription = getSpokenEmojiDescription(context, code);
final String emojiDescription = getSpokenEmojiDescription(context, codePoint);
if (emojiDescription != null) {
return emojiDescription;
}
if (isDefinedNonCtrl) {
return Character.toString((char) code);
if (Character.isDefined(codePoint) && !Character.isISOControl(codePoint)) {
return StringUtils.newSingleCodePointString(codePoint);
}
if (!TextUtils.isEmpty(key.getLabel())) {
return key.getLabel();
}
return context.getString(R.string.spoken_description_unknown, code);
return null;
}
// TODO: Remove this method once TTS supports those accented letters' verbalization.