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TalkBack correct shift state 

Change-Id: I3097805c6c8b4a4ac19fbe062f763e2639eb5cbf
main
Tadashi G. Takaoka 2014-04-25 16:56:45 -07:00
parent 879629af3c
commit 24536580bf
3 changed files with 58 additions and 89 deletions
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5
java/res/values/strings-talkback-descriptions.xml
View File

@ -74,11 +74,10 @@
<string name="spoken_description_shiftmode_on">Shift enabled</string>
<!-- Spoken feedback after turning "Caps lock" mode on. -->
<string name="spoken_description_shiftmode_locked">Caps lock enabled</string>
<!-- Spoken feedback after turning "Shift" mode off. -->
<string name="spoken_description_shiftmode_off">Shift disabled</string>
<!-- Spoken feedback after changing to the symbols keyboard. -->
<string name="spoken_description_mode_symbol">Symbols mode</string>
<!-- Spoken feedback after changing to the symbols shift keyboard. -->
<string name="spoken_description_mode_symbol_shift">Symbols shift mode</string>
<!-- Spoken feedback after changing to the alphanumeric keyboard. -->
<string name="spoken_description_mode_alpha">Letters mode</string>
<!-- Spoken feedback after changing to the phone dialer keyboard. -->

130
java/src/com/android/inputmethod/accessibility/AccessibleKeyboardViewProxy.java
View File

@ -136,12 +136,19 @@ public final class AccessibleKeyboardViewProxy extends AccessibilityDelegateComp
return;
}
// Announce the language name only when the language is changed.
if (lastKeyboard == null || !lastKeyboard.mId.mSubtype.equals(keyboard.mId.mSubtype)) {
if (lastKeyboard == null || !keyboard.mId.mSubtype.equals(lastKeyboard.mId.mSubtype)) {
announceKeyboardLanguage(keyboard);
return;
}
// Announce the mode only when the mode is changed.
if (lastKeyboardMode != keyboard.mId.mMode) {
if (keyboard.mId.mMode != lastKeyboardMode) {
announceKeyboardMode(keyboard);
return;
}
// Announce the keyboard type only when the type is changed.
if (keyboard.mId.mElementId != lastKeyboard.mId.mElementId) {
announceKeyboardType(keyboard, lastKeyboard);
return;
}
}
@ -174,9 +181,8 @@ public final class AccessibleKeyboardViewProxy extends AccessibilityDelegateComp
* @param keyboard The new keyboard.
*/
private void announceKeyboardMode(final Keyboard keyboard) {
final int mode = keyboard.mId.mMode;
final Context context = mView.getContext();
final int modeTextResId = KEYBOARD_MODE_RES_IDS.get(mode);
final int modeTextResId = KEYBOARD_MODE_RES_IDS.get(keyboard.mId.mMode);
if (modeTextResId == 0) {
return;
}
@ -185,6 +191,50 @@ public final class AccessibleKeyboardViewProxy extends AccessibilityDelegateComp
sendWindowStateChanged(text);
}
/**
* Announces which type of keyboard is being displayed.
*
* @param keyboard The new keyboard.
* @param lastKeyboard The last keyboard.
*/
private void announceKeyboardType(final Keyboard keyboard, final Keyboard lastKeyboard) {
final int lastElementId = lastKeyboard.mId.mElementId;
final int resId;
switch (keyboard.mId.mElementId) {
case KeyboardId.ELEMENT_ALPHABET_AUTOMATIC_SHIFTED:
case KeyboardId.ELEMENT_ALPHABET:
if (lastElementId == KeyboardId.ELEMENT_ALPHABET
|| lastElementId == KeyboardId.ELEMENT_ALPHABET_AUTOMATIC_SHIFTED) {
return;
}
resId = R.string.spoken_description_mode_alpha;
break;
case KeyboardId.ELEMENT_ALPHABET_MANUAL_SHIFTED:
resId = R.string.spoken_description_shiftmode_on;
break;
case KeyboardId.ELEMENT_ALPHABET_SHIFT_LOCK_SHIFTED:
case KeyboardId.ELEMENT_ALPHABET_SHIFT_LOCKED:
resId = R.string.spoken_description_shiftmode_locked;
break;
case KeyboardId.ELEMENT_SYMBOLS:
resId = R.string.spoken_description_mode_symbol;
break;
case KeyboardId.ELEMENT_SYMBOLS_SHIFTED:
resId = R.string.spoken_description_mode_symbol_shift;
break;
case KeyboardId.ELEMENT_PHONE:
resId = R.string.spoken_description_mode_phone;
break;
case KeyboardId.ELEMENT_PHONE_SYMBOLS:
resId = R.string.spoken_description_mode_phone_shift;
break;
default:
return;
}
final String text = mView.getContext().getString(resId);
sendWindowStateChanged(text);
}
/**
* Announces that the keyboard has been hidden.
*/
@ -301,7 +351,7 @@ public final class AccessibleKeyboardViewProxy extends AccessibilityDelegateComp
}
/**
* Simulates a key press by injecting touch event into the keyboard view.
* Simulates a key press by injecting touch an event into the keyboard view.
* This avoids the complexity of trackers and listeners within the keyboard.
*
* @param key The key to press.
@ -318,7 +368,7 @@ public final class AccessibleKeyboardViewProxy extends AccessibilityDelegateComp
}
/**
* Simulates a key release by injecting touch event into the keyboard view.
* Simulates a key release by injecting touch an event into the keyboard view.
* This avoids the complexity of trackers and listeners within the keyboard.
*
* @param key The key to release.
@ -383,72 +433,4 @@ public final class AccessibleKeyboardViewProxy extends AccessibilityDelegateComp
}
return true;
}
/**
* Notifies the user of changes in the keyboard shift state.
*/
public void notifyShiftState() {
if (mView == null || mKeyboard == null) {
return;
}
final KeyboardId keyboardId = mKeyboard.mId;
final int elementId = keyboardId.mElementId;
final Context context = mView.getContext();
final CharSequence text;
switch (elementId) {
case KeyboardId.ELEMENT_ALPHABET_SHIFT_LOCK_SHIFTED:
case KeyboardId.ELEMENT_ALPHABET_SHIFT_LOCKED:
text = context.getText(R.string.spoken_description_shiftmode_locked);
break;
case KeyboardId.ELEMENT_ALPHABET_AUTOMATIC_SHIFTED:
case KeyboardId.ELEMENT_ALPHABET_MANUAL_SHIFTED:
case KeyboardId.ELEMENT_SYMBOLS_SHIFTED:
text = context.getText(R.string.spoken_description_shiftmode_on);
break;
default:
text = context.getText(R.string.spoken_description_shiftmode_off);
}
AccessibilityUtils.getInstance().announceForAccessibility(mView, text);
}
/**
* Notifies the user of changes in the keyboard symbols state.
*/
public void notifySymbolsState() {
if (mView == null || mKeyboard == null) {
return;
}
final KeyboardId keyboardId = mKeyboard.mId;
final int elementId = keyboardId.mElementId;
final Context context = mView.getContext();
final int resId;
switch (elementId) {
case KeyboardId.ELEMENT_ALPHABET:
case KeyboardId.ELEMENT_ALPHABET_AUTOMATIC_SHIFTED:
case KeyboardId.ELEMENT_ALPHABET_MANUAL_SHIFTED:
case KeyboardId.ELEMENT_ALPHABET_SHIFT_LOCK_SHIFTED:
case KeyboardId.ELEMENT_ALPHABET_SHIFT_LOCKED:
resId = R.string.spoken_description_mode_alpha;
break;
case KeyboardId.ELEMENT_SYMBOLS:
case KeyboardId.ELEMENT_SYMBOLS_SHIFTED:
resId = R.string.spoken_description_mode_symbol;
break;
case KeyboardId.ELEMENT_PHONE:
resId = R.string.spoken_description_mode_phone;
break;
case KeyboardId.ELEMENT_PHONE_SYMBOLS:
resId = R.string.spoken_description_mode_phone_shift;
break;
default:
return;
}
final String text = context.getString(resId);
AccessibilityUtils.getInstance().announceForAccessibility(mView, text);
}
}

12
java/src/com/android/inputmethod/latin/LatinIME.java
View File

@ -1596,18 +1596,6 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
public void onReleaseKey(final int primaryCode, final boolean withSliding) {
mKeyboardSwitcher.onReleaseKey(primaryCode, withSliding, getCurrentAutoCapsState(),
getCurrentRecapitalizeState());
// If accessibility is on, ensure the user receives keyboard state updates.
if (AccessibilityUtils.getInstance().isTouchExplorationEnabled()) {
switch (primaryCode) {
case Constants.CODE_SHIFT:
AccessibleKeyboardViewProxy.getInstance().notifyShiftState();
break;
case Constants.CODE_SWITCH_ALPHA_SYMBOL:
AccessibleKeyboardViewProxy.getInstance().notifySymbolsState();
break;
}
}
}
private HardwareEventDecoder getHardwareKeyEventDecoder(final int deviceId) {