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 */
16package com.android.contacts.list;
17
18import android.view.View;
19import android.widget.ListView;
20
21import com.android.contacts.widget.TextHighlightingAnimation;
22
23/**
24 * A {@link TextHighlightingAnimation} that redraws just the contact display name in a
25 * list item.
26 */
27public class ContactNameHighlightingAnimation extends TextHighlightingAnimation {
28    private final ListView mListView;
29    private boolean mSavedScrollingCacheEnabledFlag;
30
31    public ContactNameHighlightingAnimation(ListView listView, int duration) {
32        super(duration);
33        this.mListView = listView;
34    }
35
36    /**
37     * Redraws all visible items of the list corresponding to contacts
38     */
39    @Override
40    protected void invalidate() {
41        int childCount = mListView.getChildCount();
42        for (int i = 0; i < childCount; i++) {
43            View itemView = mListView.getChildAt(i);
44            if (itemView instanceof ContactListItemView) {
45                final ContactListItemView view = (ContactListItemView)itemView;
46                view.getNameTextView().invalidate();
47            }
48        }
49    }
50
51    @Override
52    protected void onAnimationStarted() {
53        mSavedScrollingCacheEnabledFlag = mListView.isScrollingCacheEnabled();
54        mListView.setScrollingCacheEnabled(false);
55    }
56
57    @Override
58    protected void onAnimationEnded() {
59        mListView.setScrollingCacheEnabled(mSavedScrollingCacheEnabledFlag);
60    }
61}
62