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Fixed speaking keys when editing password fields

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Bug: 5042681
Change-Id: Ic4523ec38b0faa2b6a91d476ea7af7e69404861c
This commit is contained in:
Alan Viverette 2011-08-08 11:05:04 -07:00
parent 0a5345c7b6
commit 58e3f1065e
3 changed files with 114 additions and 14 deletions
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47
java/src/com/android/inputmethod/accessibility/AccessibleKeyboardViewProxy.java
View file

@ -20,12 +20,18 @@ import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.Color;
import android.graphics.Paint;
import android.inputmethodservice.InputMethodService;
import android.media.AudioManager;
import android.util.Log;
import android.view.MotionEvent;
import android.view.ViewConfiguration;
import android.view.accessibility.AccessibilityEvent;
import android.view.inputmethod.EditorInfo;
import com.android.inputmethod.compat.AccessibilityEventCompatUtils;
import com.android.inputmethod.compat.AudioManagerCompatWrapper;
import com.android.inputmethod.compat.EditorInfoCompatUtils;
import com.android.inputmethod.compat.InputTypeCompatUtils;
import com.android.inputmethod.compat.MotionEventCompatUtils;
import com.android.inputmethod.keyboard.Key;
import com.android.inputmethod.keyboard.KeyDetector;
@ -39,17 +45,19 @@ public class AccessibleKeyboardViewProxy {
// Delay in milliseconds between key press DOWN and UP events
private static final long DELAY_KEY_PRESS = 10;
private int mScaledEdgeSlop;
private InputMethodService mInputMethod;
private FlickGestureDetector mGestureDetector;
private LatinKeyboardBaseView mView;
private AccessibleKeyboardActionListener mListener;
private FlickGestureDetector mGestureDetector;
private AudioManagerCompatWrapper mAudioManager;
private int mScaledEdgeSlop;
private int mLastHoverKeyIndex = KeyDetector.NOT_A_KEY;
private int mLastX = -1;
private int mLastY = -1;
public static void init(Context context, SharedPreferences prefs) {
sInstance.initInternal(context, prefs);
public static void init(InputMethodService inputMethod, SharedPreferences prefs) {
sInstance.initInternal(inputMethod, prefs);
sInstance.mListener = AccessibleInputMethodServiceProxy.getInstance();
}
@ -65,15 +73,36 @@ public class AccessibleKeyboardViewProxy {
// Not publicly instantiable.
}
private void initInternal(Context context, SharedPreferences prefs) {
private void initInternal(InputMethodService inputMethod, SharedPreferences prefs) {
final Paint paint = new Paint();
paint.setTextAlign(Paint.Align.LEFT);
paint.setTextSize(14.0f);
paint.setAntiAlias(true);
paint.setColor(Color.YELLOW);
mGestureDetector = new KeyboardFlickGestureDetector(context);
mScaledEdgeSlop = ViewConfiguration.get(context).getScaledEdgeSlop();
mInputMethod = inputMethod;
mGestureDetector = new KeyboardFlickGestureDetector(inputMethod);
mScaledEdgeSlop = ViewConfiguration.get(inputMethod).getScaledEdgeSlop();
final AudioManager audioManager = (AudioManager) inputMethod
.getSystemService(Context.AUDIO_SERVICE);
mAudioManager = new AudioManagerCompatWrapper(audioManager);
}
/**
* @return {@code true} if the device should not speak text (eg. non-control) characters
*/
private boolean shouldObscureInput() {
// Always speak if the user is listening through headphones.
if (mAudioManager.isWiredHeadsetOn() || mAudioManager.isBluetoothA2dpOn())
return false;
final EditorInfo info = mInputMethod.getCurrentInputEditorInfo();
if (info == null)
return false;
// Don't speak if the IME is connected to a password field.
return InputTypeCompatUtils.isPasswordInputType(info.inputType);
}
public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event,
@ -90,8 +119,10 @@ public class AccessibleKeyboardViewProxy {
if (key == null)
break;
final boolean shouldObscure = shouldObscureInput();
final CharSequence description = KeyCodeDescriptionMapper.getInstance()
.getDescriptionForKey(mView.getContext(), mView.getKeyboard(), key);
.getDescriptionForKey(mView.getContext(), mView.getKeyboard(), key,
shouldObscure);
if (description == null)
return false;

27
java/src/com/android/inputmethod/accessibility/KeyCodeDescriptionMapper.java
View file

@ -28,6 +28,9 @@ import com.android.inputmethod.latin.R;
import java.util.HashMap;
public class KeyCodeDescriptionMapper {
// The resource ID of the string spoken for obscured keys
private static final int OBSCURED_KEY_RES_ID = R.string.spoken_description_dot;
private static KeyCodeDescriptionMapper sInstance = new KeyCodeDescriptionMapper();
// Map of key labels to spoken description resource IDs
@ -118,10 +121,12 @@ public class KeyCodeDescriptionMapper {
* @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
*/
public CharSequence getDescriptionForKey(Context context, Keyboard keyboard, Key key) {
public CharSequence getDescriptionForKey(Context context, Keyboard keyboard, Key key,
boolean shouldObscure) {
if (key.mCode == Keyboard.CODE_SWITCH_ALPHA_SYMBOL) {
final CharSequence description = getDescriptionForSwitchAlphaSymbol(context, keyboard);
if (description != null)
@ -136,12 +141,12 @@ public class KeyCodeDescriptionMapper {
} else if (label.length() == 1
|| (keyboard.isManualTemporaryUpperCase() && !TextUtils
.isEmpty(key.mHintLabel))) {
return getDescriptionForKeyCode(context, keyboard, key);
return getDescriptionForKeyCode(context, keyboard, key, shouldObscure);
} else {
return label;
}
} else if (key.mCode != Keyboard.CODE_DUMMY) {
return getDescriptionForKeyCode(context, keyboard, key);
return getDescriptionForKeyCode(context, keyboard, key, shouldObscure);
}
return null;
@ -206,19 +211,29 @@ public class KeyCodeDescriptionMapper {
* @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
*/
private CharSequence getDescriptionForKeyCode(Context context, Keyboard keyboard, Key key) {
private CharSequence getDescriptionForKeyCode(Context context, Keyboard keyboard, Key key,
boolean shouldObscure) {
final int code = getCorrectKeyCode(keyboard, key);
if (keyboard.isShiftLocked() && mShiftLockedKeyCodeMap.containsKey(code)) {
return context.getString(mShiftLockedKeyCodeMap.get(code));
} else if (keyboard.isShiftedOrShiftLocked() && mShiftedKeyCodeMap.containsKey(code)) {
return context.getString(mShiftedKeyCodeMap.get(code));
} else if (mKeyCodeMap.containsKey(code)) {
}
// 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);
}
if (mKeyCodeMap.containsKey(code)) {
return context.getString(mKeyCodeMap.get(code));
} else if (Character.isDefined(code) && !Character.isISOControl(code)) {
} else if (isDefinedNonCtrl) {
return Character.toString((char) code);
} else {
return context.getString(R.string.spoken_description_unknown, code);

54
java/src/com/android/inputmethod/compat/AudioManagerCompatWrapper.java Normal file
View file

@ -0,0 +1,54 @@
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.inputmethod.compat;
import android.media.AudioManager;
import java.lang.reflect.Method;
public class AudioManagerCompatWrapper {
private static final Method METHOD_isWiredHeadsetOn = CompatUtils.getMethod(
AudioManager.class, "isWiredHeadsetOn");
private static final Method METHOD_isBluetoothA2dpOn = CompatUtils.getMethod(
AudioManager.class, "isBluetoothA2dpOn");
private final AudioManager mManager;
public AudioManagerCompatWrapper(AudioManager manager) {
mManager = manager;
}
/**
* Checks whether audio routing to the wired headset is on or off.
*
* @return true if audio is being routed to/from wired headset;
* false if otherwise
*/
public boolean isWiredHeadsetOn() {
return (Boolean) CompatUtils.invoke(mManager, false, METHOD_isWiredHeadsetOn);
}
/**
* Checks whether A2DP audio routing to the Bluetooth headset is on or off.
*
* @return true if A2DP audio is being routed to/from Bluetooth headset;
* false if otherwise
*/
public boolean isBluetoothA2dpOn() {
return (Boolean) CompatUtils.invoke(mManager, false, METHOD_isBluetoothA2dpOn);
}
}