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 17 package com.android.contacts.common.list; 18 19 import android.content.Context; 20 import android.content.res.TypedArray; 21 import android.graphics.Color; 22 import android.text.TextUtils; 23 import android.util.AttributeSet; 24 import android.view.Gravity; 25 import android.view.View; 26 import android.view.ViewParent; 27 import android.widget.LinearLayout.LayoutParams; 28 import android.widget.TextView; 29 30 import com.android.contacts.common.R; 31 import 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 */ 36 public class ContactListPinnedHeaderView extends TextView { 37 ContactListPinnedHeaderView(Context context, AttributeSet attrs, View parent)38 public ContactListPinnedHeaderView(Context context, AttributeSet attrs, View parent) { 39 super(context, attrs); 40 41 if (R.styleable.ContactListItemView == null) { 42 return; 43 } 44 TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.ContactListItemView); 45 int backgroundColor = a.getColor( 46 R.styleable.ContactListItemView_list_item_background_color, Color.WHITE); 47 int textOffsetTop = a.getDimensionPixelSize( 48 R.styleable.ContactListItemView_list_item_text_offset_top, 0); 49 int paddingStartOffset = a.getDimensionPixelSize( 50 R.styleable.ContactListItemView_list_item_padding_left, 0); 51 int textWidth = getResources().getDimensionPixelSize( 52 R.dimen.contact_list_section_header_width); 53 int widthIncludingPadding = paddingStartOffset + textWidth; 54 a.recycle(); 55 56 setBackgroundColor(backgroundColor); 57 setTextAppearance(getContext(), R.style.SectionHeaderStyle); 58 setLayoutParams(new LayoutParams(widthIncludingPadding, LayoutParams.WRAP_CONTENT)); 59 setLayoutDirection(parent.getLayoutDirection()); 60 setGravity(Gravity.CENTER_VERTICAL | 61 (ViewUtil.isViewLayoutRtl(this) ? Gravity.RIGHT : Gravity.LEFT)); 62 63 // Apply text top offset. Multiply by two, because we are implementing this by padding for a 64 // vertically centered view, rather than adjusting the position directly via a layout. 65 setPaddingRelative( 66 getPaddingStart() + paddingStartOffset, 67 getPaddingTop() + (textOffsetTop * 2), 68 getPaddingEnd(), 69 getPaddingBottom()); 70 } 71 72 /** 73 * Sets section header or makes it invisible if the title is null. 74 */ setSectionHeaderTitle(String title)75 public void setSectionHeaderTitle(String title) { 76 if (!TextUtils.isEmpty(title)) { 77 setText(title); 78 setVisibility(View.VISIBLE); 79 } else { 80 setVisibility(View.GONE); 81 } 82 } 83 } 84