1 /* 2 * Copyright (C) 2007 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 package com.android.contacts.list; 17 18 import android.view.View; 19 import android.widget.ListView; 20 21 import com.android.contacts.common.list.ContactListItemView; 22 import com.android.contacts.widget.TextHighlightingAnimation; 23 24 /** 25 * A {@link TextHighlightingAnimation} that redraws just the contact display name in a 26 * list item. 27 */ 28 public class ContactNameHighlightingAnimation extends TextHighlightingAnimation { 29 private final ListView mListView; 30 private boolean mSavedScrollingCacheEnabledFlag; 31 ContactNameHighlightingAnimation(ListView listView, int duration)32 public ContactNameHighlightingAnimation(ListView listView, int duration) { 33 super(duration); 34 this.mListView = listView; 35 } 36 37 /** 38 * Redraws all visible items of the list corresponding to contacts 39 */ 40 @Override invalidate()41 protected void invalidate() { 42 int childCount = mListView.getChildCount(); 43 for (int i = 0; i < childCount; i++) { 44 View itemView = mListView.getChildAt(i); 45 if (itemView instanceof ContactListItemView) { 46 final ContactListItemView view = (ContactListItemView)itemView; 47 view.getNameTextView().invalidate(); 48 } 49 } 50 } 51 52 @Override onAnimationStarted()53 protected void onAnimationStarted() { 54 mSavedScrollingCacheEnabledFlag = mListView.isScrollingCacheEnabled(); 55 mListView.setScrollingCacheEnabled(false); 56 } 57 58 @Override onAnimationEnded()59 protected void onAnimationEnded() { 60 mListView.setScrollingCacheEnabled(mSavedScrollingCacheEnabledFlag); 61 } 62 } 63