1 /*
2  * Copyright (C) 2013 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.inputmethod.keyboard.internal;
18 
19 import com.android.inputmethod.accessibility.AccessibilityUtils;
20 
21 public final class GestureEnabler {
22     /** True if we should handle gesture events. */
23     private boolean mShouldHandleGesture;
24     private boolean mMainDictionaryAvailable;
25     private boolean mGestureHandlingEnabledByInputField;
26     private boolean mGestureHandlingEnabledByUser;
27 
updateGestureHandlingMode()28     private void updateGestureHandlingMode() {
29         mShouldHandleGesture = mMainDictionaryAvailable
30                 && mGestureHandlingEnabledByInputField
31                 && mGestureHandlingEnabledByUser
32                 && !AccessibilityUtils.getInstance().isTouchExplorationEnabled();
33     }
34 
35     // Note that this method is called from a non-UI thread.
setMainDictionaryAvailability(final boolean mainDictionaryAvailable)36     public void setMainDictionaryAvailability(final boolean mainDictionaryAvailable) {
37         mMainDictionaryAvailable = mainDictionaryAvailable;
38         updateGestureHandlingMode();
39     }
40 
setGestureHandlingEnabledByUser(final boolean gestureHandlingEnabledByUser)41     public void setGestureHandlingEnabledByUser(final boolean gestureHandlingEnabledByUser) {
42         mGestureHandlingEnabledByUser = gestureHandlingEnabledByUser;
43         updateGestureHandlingMode();
44     }
45 
setPasswordMode(final boolean passwordMode)46     public void setPasswordMode(final boolean passwordMode) {
47         mGestureHandlingEnabledByInputField = !passwordMode;
48         updateGestureHandlingMode();
49     }
50 
shouldHandleGesture()51     public boolean shouldHandleGesture() {
52         return mShouldHandleGesture;
53     }
54 }
55