| /* |
| * Copyright (C) 2015 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.contacts.editor; |
| |
| import android.view.View; |
| import android.view.View.AccessibilityDelegate; |
| import android.view.ViewGroup; |
| import android.view.accessibility.AccessibilityEvent; |
| |
| /** |
| * This is an AccessibilityDelegate that filters out the TYPE_VIEW_SELECTED event. |
| */ |
| public class ViewSelectedFilter extends AccessibilityDelegate { |
| private View mView; //the view we don't want TYPE_VIEW_SELECTED event to fire. |
| |
| private ViewSelectedFilter(View view) { |
| super(); |
| mView = view; |
| } |
| |
| /** |
| * AccessibilityEvent can only be suppressed at a view's parent, so this function adds the |
| * delegate to the view's parent. |
| * @param view the view whose TYPE_VIEW_SELECTED event should be suppressed. |
| */ |
| public static void suppressViewSelectedEvent(View view) { |
| final View parent = (View) view.getParent(); |
| parent.setAccessibilityDelegate(new ViewSelectedFilter(view)); |
| } |
| |
| @Override |
| public boolean onRequestSendAccessibilityEvent( |
| ViewGroup host, View child,AccessibilityEvent event) { |
| if (child == mView && event.getEventType() == AccessibilityEvent.TYPE_VIEW_SELECTED) { |
| return false; |
| } |
| return super.onRequestSendAccessibilityEvent(host, child, event); |
| } |
| } |