1 /* 2 * Copyright (C) 2009 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 android.accessibilityservice; 18 19 import android.os.Parcel; 20 import android.os.Parcelable; 21 22 /** 23 * This class describes an {@link AccessibilityService}. The system 24 * notifies an {@link AccessibilityService} for 25 * {@link android.view.accessibility.AccessibilityEvent}s 26 * according to the information encapsulated in this class. 27 * 28 * @see AccessibilityService 29 * @see android.view.accessibility.AccessibilityEvent 30 */ 31 public class AccessibilityServiceInfo implements Parcelable { 32 33 /** 34 * Denotes spoken feedback. 35 */ 36 public static final int FEEDBACK_SPOKEN = 0x0000001; 37 38 /** 39 * Denotes haptic feedback. 40 */ 41 public static final int FEEDBACK_HAPTIC = 0x0000002; 42 43 /** 44 * Denotes audible (not spoken) feedback. 45 */ 46 public static final int FEEDBACK_AUDIBLE = 0x0000004; 47 48 /** 49 * Denotes visual feedback. 50 */ 51 public static final int FEEDBACK_VISUAL = 0x0000008; 52 53 /** 54 * Denotes generic feedback. 55 */ 56 public static final int FEEDBACK_GENERIC = 0x0000010; 57 58 /** 59 * If an {@link AccessibilityService} is the default for a given type. 60 * Default service is invoked only if no package specific one exists. In case of 61 * more than one package specific service only the earlier registered is notified. 62 */ 63 public static final int DEFAULT = 0x0000001; 64 65 /** 66 * The event types an {@link AccessibilityService} is interested in. 67 * 68 * @see android.view.accessibility.AccessibilityEvent#TYPE_VIEW_CLICKED 69 * @see android.view.accessibility.AccessibilityEvent#TYPE_VIEW_LONG_CLICKED 70 * @see android.view.accessibility.AccessibilityEvent#TYPE_VIEW_FOCUSED 71 * @see android.view.accessibility.AccessibilityEvent#TYPE_VIEW_SELECTED 72 * @see android.view.accessibility.AccessibilityEvent#TYPE_VIEW_TEXT_CHANGED 73 * @see android.view.accessibility.AccessibilityEvent#TYPE_WINDOW_STATE_CHANGED 74 * @see android.view.accessibility.AccessibilityEvent#TYPE_NOTIFICATION_STATE_CHANGED 75 */ 76 public int eventTypes; 77 78 /** 79 * The package names an {@link AccessibilityService} is interested in. Setting 80 * to null is equivalent to all packages. 81 */ 82 public String[] packageNames; 83 84 /** 85 * The feedback type an {@link AccessibilityService} provides. 86 * 87 * @see #FEEDBACK_AUDIBLE 88 * @see #FEEDBACK_GENERIC 89 * @see #FEEDBACK_HAPTIC 90 * @see #FEEDBACK_SPOKEN 91 * @see #FEEDBACK_VISUAL 92 */ 93 public int feedbackType; 94 95 /** 96 * The timeout after the most recent event of a given type before an 97 * {@link AccessibilityService} is notified. 98 * <p> 99 * Note: The event notification timeout is useful to avoid propagating events to the client 100 * too frequently since this is accomplished via an expensive interprocess call. 101 * One can think of the timeout as a criteria to determine when event generation has 102 * settled down 103 */ 104 public long notificationTimeout; 105 106 /** 107 * This field represents a set of flags used for configuring an 108 * {@link AccessibilityService}. 109 * 110 * @see #DEFAULT 111 */ 112 public int flags; 113 describeContents()114 public int describeContents() { 115 return 0; 116 } 117 writeToParcel(Parcel parcel, int flagz)118 public void writeToParcel(Parcel parcel, int flagz) { 119 parcel.writeInt(eventTypes); 120 parcel.writeStringArray(packageNames); 121 parcel.writeInt(feedbackType); 122 parcel.writeLong(notificationTimeout); 123 parcel.writeInt(flags); 124 } 125 126 /** 127 * @see Parcelable.Creator 128 */ 129 public static final Parcelable.Creator<AccessibilityServiceInfo> CREATOR = 130 new Parcelable.Creator<AccessibilityServiceInfo>() { 131 public AccessibilityServiceInfo createFromParcel(Parcel parcel) { 132 AccessibilityServiceInfo info = new AccessibilityServiceInfo(); 133 info.eventTypes = parcel.readInt(); 134 info.packageNames = parcel.readStringArray(); 135 info.feedbackType = parcel.readInt(); 136 info.notificationTimeout = parcel.readLong(); 137 info.flags = parcel.readInt(); 138 return info; 139 } 140 141 public AccessibilityServiceInfo[] newArray(int size) { 142 return new AccessibilityServiceInfo[size]; 143 } 144 }; 145 } 146