HeaderEntryContactListAdapter.java revision bbd220183e9bc6d0b056af3c68fa4a31f5b747f2 
1/*
2 * Copyright (C) 2014 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 */
16package com.android.contacts.list;
17
18import com.android.contacts.R;
19import com.android.contacts.common.list.ContactListItemView;
20import com.android.contacts.common.list.DefaultContactListAdapter;
21
22import android.content.Context;
23import android.database.Cursor;
24import android.view.View;
25import android.view.ViewGroup;
26
27/**
28 * Equivalent to DefaultContactListAdapter, except with an optional header entry that has the same
29 * formatting as the other entries in the list.
30 *
31 * This header entry is hidden when in search mode. Should not be used with lists that contain a
32 * "Me" contact.
33 */
34public class HeaderEntryContactListAdapter extends DefaultContactListAdapter {
35
36    private boolean mShowCreateContact;
37
38    public HeaderEntryContactListAdapter(Context context) {
39        super(context);
40    }
41
42    private int getHeaderEntryCount() {
43        return isSearchMode() || !mShowCreateContact ? 0 : 1;
44    }
45
46    /**
47     * Whether the first entry should be "Create contact", when not in search mode.
48     */
49    public void setShowCreateContact(boolean showCreateContact) {
50        mShowCreateContact = showCreateContact;
51        invalidate();
52    }
53
54    @Override
55    public int getCount() {
56        return super.getCount() + getHeaderEntryCount();
57    }
58
59    @Override
60    public View getView(int position, View convertView, ViewGroup parent) {
61        if (position == 0 && getHeaderEntryCount() > 0) {
62            final ContactListItemView itemView;
63            if (convertView == null) {
64                // Pass the cursor down. Don't worry, it isn't used.
65                itemView = newView(getContext(), 0, getCursor(0), 0, parent);
66            } else {
67                itemView = (ContactListItemView ) convertView;
68            }
69            itemView.setDrawableResource(R.drawable.search_shortcut_background,
70                    R.drawable.ic_search_add_contact);
71            itemView.setDisplayName(getContext().getResources().getString(
72                    R.string.header_entry_contact_list_adapter_header_title));
73            return itemView;
74        }
75        return super.getView(position - getHeaderEntryCount(), convertView, parent);
76    }
77
78    @Override
79    public Object getItem(int position) {
80        return super.getItem(position - getHeaderEntryCount());
81    }
82
83    @Override
84    protected void bindView(View itemView, int partition, Cursor cursor, int position) {
85        super.bindView(itemView, partition, cursor, position + getHeaderEntryCount());
86    }
87
88    @Override
89    public int getItemViewType(int position) {
90        if (position == 0 && getHeaderEntryCount() > 0) {
91            return getViewTypeCount() - 1;
92        }
93        return super.getItemViewType(position - getHeaderEntryCount());
94    }
95
96    @Override
97    public int getViewTypeCount() {
98        // One additional view type, for the header entry.
99        return super.getViewTypeCount() + 1;
100    }
101
102    @Override
103    protected boolean getExtraStartingSection() {
104        return getHeaderEntryCount() > 0;
105    }
106}
107