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 17 package com.android.contacts.detail; 18 19 import com.android.contacts.R; 20 import com.android.contacts.widget.FrameLayoutWithOverlay; 21 22 import android.content.Context; 23 import android.util.AttributeSet; 24 import android.view.View; 25 import android.view.ViewPropertyAnimator; 26 import android.widget.TextView; 27 28 /** 29 * This is a tab in the {@link ContactDetailTabCarousel}. 30 */ 31 public 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 CarouselTab(Context context, AttributeSet attrs)45 public CarouselTab(Context context, AttributeSet attrs) { 46 super(context, attrs); 47 } 48 49 @Override onFinishInflate()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 setLabel(String label)59 public void setLabel(String label) { 60 mLabelView.setText(label); 61 } 62 showSelectedState()63 public void showSelectedState() { 64 mLabelView.setSelected(true); 65 } 66 showDeselectedState()67 public void showDeselectedState() { 68 mLabelView.setSelected(false); 69 } 70 fadeInLabelViewAnimator(int startDelay, boolean fadeBackground)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