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Merge "Announce keyboard mode changes as a WINDOW_STATE_CHANGED event." into jb-mr2-dev

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Svetoslav Ganov 2013-03-08 19:20:00 +00:00 committed by Android (Google) Code Review
parent 914d054ea2 c2ee72a214
commit af37cbb44e
4 changed files with 124 additions and 6 deletions
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23
java/res/values/strings.xml
View File

@ -223,6 +223,29 @@
<!-- Spoken feedback after changing to the shifted phone dialer (symbols) keyboard. -->
<string name="spoken_description_mode_phone_shift">Phone symbols mode</string>
<!-- Spoken feedback when the keyboard is hidden. -->
<string name="announce_keyboard_hidden">Keyboard hidden</string>
<!-- Spoken feedback when the keyboard mode changes. -->
<string name="announce_keyboard_mode">Showing <xliff:g id="mode" example="email">%s</xliff:g> keyboard</string>
<!-- Description of the keyboard mode for entering dates. -->
<string name="keyboard_mode_date">date</string>
<!-- Description of the keyboard mode for entering dates and times. -->
<string name="keyboard_mode_date_time">date and time</string>
<!-- Description of the keyboard mode for entering email addresses. -->
<string name="keyboard_mode_email">email</string>
<!-- Description of the keyboard mode for entering text messages. -->
<string name="keyboard_mode_im">messaging</string>
<!-- Description of the keyboard mode for entering numbers. -->
<string name="keyboard_mode_number">number</string>
<!-- Description of the keyboard mode for entering phone numbers. -->
<string name="keyboard_mode_phone">phone</string>
<!-- Description of the keyboard mode for entering generic text. -->
<string name="keyboard_mode_text">text</string>
<!-- Description of the keyboard mode for entering times. -->
<string name="keyboard_mode_time">time</string>
<!-- Description of the keyboard mode for entering URLs. -->
<string name="keyboard_mode_url">URL</string>
<!-- Preferences item for enabling speech input -->
<string name="voice_input">Voice input key</string>

17
java/src/com/android/inputmethod/accessibility/AccessibilityUtils.java
View File

@ -79,17 +79,25 @@ public final class AccessibilityUtils {
mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
}
/**
* Returns {@code true} if accessibility is enabled. Currently, this means
* that the kill switch is off and system accessibility is turned on.
*
* @return {@code true} if accessibility is enabled.
*/
public boolean isAccessibilityEnabled() {
return ENABLE_ACCESSIBILITY && mAccessibilityManager.isEnabled();
}
/**
* Returns {@code true} if touch exploration is enabled. Currently, this
* means that the kill switch is off, the device supports touch exploration,
* and a spoken feedback service is turned on.
* and system accessibility is turned on.
*
* @return {@code true} if touch exploration is enabled.
*/
public boolean isTouchExplorationEnabled() {
return ENABLE_ACCESSIBILITY
&& mAccessibilityManager.isEnabled()
&& mAccessibilityManager.isTouchExplorationEnabled();
return isAccessibilityEnabled() && mAccessibilityManager.isTouchExplorationEnabled();
}
/**
@ -113,6 +121,7 @@ public final class AccessibilityUtils {
*
* @return {@code true} if the device should obscure password characters.
*/
@SuppressWarnings("deprecation")
public boolean shouldObscureInput(final EditorInfo editorInfo) {
if (editorInfo == null) return false;

86
java/src/com/android/inputmethod/accessibility/AccessibleKeyboardViewProxy.java
View File

@ -22,8 +22,11 @@ import android.support.v4.view.AccessibilityDelegateCompat;
import android.support.v4.view.ViewCompat;
import android.support.v4.view.accessibility.AccessibilityEventCompat;
import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat;
import android.util.SparseIntArray;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewParent;
import android.view.accessibility.AccessibilityEvent;
import com.android.inputmethod.keyboard.Key;
import com.android.inputmethod.keyboard.Keyboard;
@ -35,6 +38,21 @@ import com.android.inputmethod.latin.R;
public final class AccessibleKeyboardViewProxy extends AccessibilityDelegateCompat {
private static final AccessibleKeyboardViewProxy sInstance = new AccessibleKeyboardViewProxy();
/** Map of keyboard modes to resource IDs. */
private static final SparseIntArray KEYBOARD_MODE_RES_IDS = new SparseIntArray();
static {
KEYBOARD_MODE_RES_IDS.put(KeyboardId.MODE_DATE, R.string.keyboard_mode_date);
KEYBOARD_MODE_RES_IDS.put(KeyboardId.MODE_DATETIME, R.string.keyboard_mode_date_time);
KEYBOARD_MODE_RES_IDS.put(KeyboardId.MODE_EMAIL, R.string.keyboard_mode_email);
KEYBOARD_MODE_RES_IDS.put(KeyboardId.MODE_IM, R.string.keyboard_mode_im);
KEYBOARD_MODE_RES_IDS.put(KeyboardId.MODE_NUMBER, R.string.keyboard_mode_number);
KEYBOARD_MODE_RES_IDS.put(KeyboardId.MODE_PHONE, R.string.keyboard_mode_phone);
KEYBOARD_MODE_RES_IDS.put(KeyboardId.MODE_TEXT, R.string.keyboard_mode_text);
KEYBOARD_MODE_RES_IDS.put(KeyboardId.MODE_TIME, R.string.keyboard_mode_time);
KEYBOARD_MODE_RES_IDS.put(KeyboardId.MODE_URL, R.string.keyboard_mode_url);
}
private InputMethodService mInputMethod;
private MainKeyboardView mView;
private AccessibilityEntityProvider mAccessibilityNodeProvider;
@ -85,11 +103,75 @@ public final class AccessibleKeyboardViewProxy extends AccessibilityDelegateComp
mAccessibilityNodeProvider.setView(view);
}
/**
* Called when the keyboard layout changes.
* <p>
* <b>Note:</b> This method will be called even if accessibility is not
* enabled.
*/
public void setKeyboard() {
if (mAccessibilityNodeProvider == null) {
if (mAccessibilityNodeProvider != null) {
mAccessibilityNodeProvider.setKeyboard();
}
// Since this method is called even when accessibility is off, make sure
// to check the state before announcing anything.
if (AccessibilityUtils.getInstance().isAccessibilityEnabled()) {
announceKeyboardMode();
}
}
/**
* Called when the keyboard is hidden and accessibility is enabled.
*/
public void onHideWindow() {
announceKeyboardHidden();
}
/**
* Announces which type of keyboard is being displayed. If the keyboard type
* is unknown, no announcement is made.
*/
private void announceKeyboardMode() {
final Keyboard keyboard = mView.getKeyboard();
final int resId = KEYBOARD_MODE_RES_IDS.get(keyboard.mId.mMode);
if (resId == 0) {
return;
}
mAccessibilityNodeProvider.setKeyboard();
final Context context = mView.getContext();
final String keyboardMode = context.getString(resId);
final String text = context.getString(R.string.announce_keyboard_mode, keyboardMode);
sendWindowStateChanged(text);
}
/**
* Announces that the keyboard has been hidden.
*/
private void announceKeyboardHidden() {
final Context context = mView.getContext();
final String text = context.getString(R.string.announce_keyboard_hidden);
sendWindowStateChanged(text);
}
/**
* Sends a window state change event with the specified text.
*
* @param text
*/
private void sendWindowStateChanged(final String text) {
final AccessibilityEvent stateChange = AccessibilityEvent.obtain(
AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
mView.onInitializeAccessibilityEvent(stateChange);
stateChange.getText().add(text);
stateChange.setContentDescription(null);
final ViewParent parent = mView.getParent();
if (parent != null) {
parent.requestSendAccessibilityEvent(mView, stateChange);
}
}
/**

4
java/src/com/android/inputmethod/latin/LatinIME.java
View File

@ -955,6 +955,10 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
LatinImeLogger.commit();
mKeyboardSwitcher.onHideWindow();
if (AccessibilityUtils.getInstance().isAccessibilityEnabled()) {
AccessibleKeyboardViewProxy.getInstance().onHideWindow();
}
if (TRACE) Debug.stopMethodTracing();
if (mOptionsDialog != null && mOptionsDialog.isShowing()) {
mOptionsDialog.dismiss();