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 21 import android.content.Context; 22 import android.util.AttributeSet; 23 import android.view.View; 24 import android.widget.RelativeLayout; 25 import android.widget.TextView; 26 27 /** 28 * This is a tab in the {@link ContactDetailTabCarousel}. 29 */ 30 public class CarouselTab extends RelativeLayout implements ViewOverlay { 31 32 private static final String TAG = CarouselTab.class.getSimpleName(); 33 34 private TextView mLabelView; 35 36 /** 37 * This view adds an alpha layer over the entire tab. 38 */ 39 private View mAlphaLayer; 40 41 /** 42 * This view adds a layer over the entire tab so that when visible, it intercepts all touch 43 * events on the tab. 44 */ 45 private View mTouchInterceptLayer; 46 CarouselTab(Context context, AttributeSet attrs)47 public CarouselTab(Context context, AttributeSet attrs) { 48 super(context, attrs); 49 } 50 51 @Override onFinishInflate()52 protected void onFinishInflate() { 53 super.onFinishInflate(); 54 55 mLabelView = (TextView) findViewById(R.id.label); 56 mLabelView.setClickable(true); 57 58 mAlphaLayer = findViewById(R.id.alpha_overlay); 59 mTouchInterceptLayer = findViewById(R.id.touch_intercept_overlay); 60 } 61 setLabel(String label)62 public void setLabel(String label) { 63 mLabelView.setText(label); 64 } 65 showSelectedState()66 public void showSelectedState() { 67 mLabelView.setSelected(true); 68 } 69 showDeselectedState()70 public void showDeselectedState() { 71 mLabelView.setSelected(false); 72 } 73 74 @Override disableTouchInterceptor()75 public void disableTouchInterceptor() { 76 // This shouldn't be called because there is no need to disable the touch interceptor if 77 // there is no content within the tab that needs to be clicked. 78 } 79 80 @Override enableTouchInterceptor(OnClickListener clickListener)81 public void enableTouchInterceptor(OnClickListener clickListener) { 82 if (mTouchInterceptLayer != null) { 83 mTouchInterceptLayer.setVisibility(View.VISIBLE); 84 mTouchInterceptLayer.setOnClickListener(clickListener); 85 } 86 } 87 88 @Override setAlphaLayerValue(float alpha)89 public void setAlphaLayerValue(float alpha) { 90 ContactDetailDisplayUtils.setAlphaOnViewBackground(mAlphaLayer, alpha); 91 } 92 } 93