1/* 2 * Copyright (C) 2010 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.common.list; 18 19import android.content.Context; 20import android.content.res.TypedArray; 21import android.graphics.Color; 22import android.text.TextUtils; 23import android.util.AttributeSet; 24import android.view.Gravity; 25import android.view.View; 26import android.view.ViewParent; 27import android.widget.LinearLayout.LayoutParams; 28import android.widget.TextView; 29 30import com.android.contacts.common.R; 31import com.android.contacts.common.util.ViewUtil; 32 33/** 34 * A custom view for the pinned section header shown at the top of the contact list. 35 */ 36public class ContactListPinnedHeaderView extends TextView { 37 38 public ContactListPinnedHeaderView(Context context, AttributeSet attrs, View parent) { 39 super(context, attrs); 40 41 TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.ContactListItemView); 42 int backgroundColor = a.getColor( 43 R.styleable.ContactListItemView_list_item_background_color, Color.WHITE); 44 int textOffsetTop = a.getDimensionPixelSize( 45 R.styleable.ContactListItemView_list_item_text_offset_top, 0); 46 int paddingStartOffset = a.getDimensionPixelSize( 47 R.styleable.ContactListItemView_list_item_padding_left, 0); 48 int textWidth = getResources().getDimensionPixelSize( 49 R.dimen.contact_list_section_header_width); 50 int widthIncludingPadding = paddingStartOffset + textWidth; 51 a.recycle(); 52 53 setBackgroundColor(backgroundColor); 54 setTextAppearance(getContext(), R.style.SectionHeaderStyle); 55 setLayoutParams(new LayoutParams(widthIncludingPadding, LayoutParams.WRAP_CONTENT)); 56 setLayoutDirection(parent.getLayoutDirection()); 57 setGravity(Gravity.CENTER_VERTICAL | 58 (ViewUtil.isViewLayoutRtl(this) ? Gravity.RIGHT : Gravity.LEFT)); 59 60 // Apply text top offset. Multiply by two, because we are implementing this by padding for a 61 // vertically centered view, rather than adjusting the position directly via a layout. 62 setPaddingRelative( 63 getPaddingStart() + paddingStartOffset, 64 getPaddingTop() + (textOffsetTop * 2), 65 getPaddingEnd(), 66 getPaddingBottom()); 67 } 68 69 /** 70 * Sets section header or makes it invisible if the title is null. 71 */ 72 public void setSectionHeaderTitle(String title) { 73 if (!TextUtils.isEmpty(title)) { 74 setText(title); 75 setVisibility(View.VISIBLE); 76 } else { 77 setVisibility(View.GONE); 78 } 79 } 80} 81