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.common.list.ContactListItemView;
22import com.android.contacts.widget.TextHighlightingAnimation;
23
24/**
25 * A {@link TextHighlightingAnimation} that redraws just the contact display name in a
26 * list item.
27 */
28public class ContactNameHighlightingAnimation extends TextHighlightingAnimation {
29    private final ListView mListView;
30    private boolean mSavedScrollingCacheEnabledFlag;
31
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
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
53    protected void onAnimationStarted() {
54        mSavedScrollingCacheEnabledFlag = mListView.isScrollingCacheEnabled();
55        mListView.setScrollingCacheEnabled(false);
56    }
57
58    @Override
59    protected void onAnimationEnded() {
60        mListView.setScrollingCacheEnabled(mSavedScrollingCacheEnabledFlag);
61    }
62}
63