1/*
2 * Copyright (C) 2011 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
17package com.android.contacts.detail;
18
19import android.content.Context;
20import android.util.AttributeSet;
21import android.view.View;
22import android.view.ViewPropertyAnimator;
23import android.widget.TextView;
24
25import com.android.contacts.R;
26import com.android.contacts.widget.FrameLayoutWithOverlay;
27
28/**
29 * This is a tab in the {@link ContactDetailTabCarousel}.
30 */
31public class CarouselTab extends FrameLayoutWithOverlay {
32
33    private static final String TAG = CarouselTab.class.getSimpleName();
34
35    private static final long FADE_TRANSITION_TIME = 150;
36
37    private TextView mLabelView;
38    private View mLabelBackgroundView;
39
40    /**
41     * This view adds an alpha layer over the entire tab (except for the label).
42     */
43    private View mAlphaLayer;
44
45    public CarouselTab(Context context, AttributeSet attrs) {
46        super(context, attrs);
47    }
48
49    @Override
50    protected void onFinishInflate() {
51        super.onFinishInflate();
52
53        mLabelView = (TextView) findViewById(R.id.label);
54        mLabelBackgroundView = findViewById(R.id.label_background);
55        mAlphaLayer = findViewById(R.id.alpha_overlay);
56        setAlphaLayer(mAlphaLayer);
57    }
58
59    public void setLabel(String label) {
60        mLabelView.setText(label);
61    }
62
63    public void showSelectedState() {
64        mLabelView.setSelected(true);
65    }
66
67    public void showDeselectedState() {
68        mLabelView.setSelected(false);
69    }
70
71    public void fadeInLabelViewAnimator(int startDelay, boolean fadeBackground) {
72        final ViewPropertyAnimator labelAnimator = mLabelView.animate();
73        mLabelView.setAlpha(0.0f);
74        labelAnimator.alpha(1.0f);
75        labelAnimator.setStartDelay(startDelay);
76        labelAnimator.setDuration(FADE_TRANSITION_TIME);
77
78        if (fadeBackground) {
79            final ViewPropertyAnimator backgroundAnimator = mLabelBackgroundView.animate();
80            mLabelBackgroundView.setAlpha(0.0f);
81            backgroundAnimator.alpha(1.0f);
82            backgroundAnimator.setStartDelay(startDelay);
83            backgroundAnimator.setDuration(FADE_TRANSITION_TIME);
84        }
85    }
86}
87