/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.contacts;
import android.content.Context;
import android.net.Uri;
import android.os.Parcel;
import android.provider.ContactsContract.Contacts;
import android.provider.ContactsContract.Data;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import java.util.ArrayList;
public abstract class ContactEntryAdapter<E extends ContactEntryAdapter.Entry>
extends BaseAdapter {
protected ArrayList<ArrayList<E>> mSections;
protected LayoutInflater mInflater;
protected Context mContext;
protected boolean mSeparators;
/**
* Base class for adapter entries.
*/
public static class Entry {
public int type = -1;
public String label;
public String data;
public Uri uri;
public long id = 0;
public long contactId;
public int maxLines = 1;
public String mimetype;
/**
* Helper for making subclasses parcelable.
*/
protected void writeToParcel(Parcel p) {
p.writeInt(type);
p.writeString(label);
p.writeString(data);
p.writeParcelable(uri, 0);
p.writeLong(id);
p.writeInt(maxLines);
p.writeString(mimetype);
}
/**
* Helper for making subclasses parcelable.
*/
protected void readFromParcel(Parcel p) {
final ClassLoader loader = getClass().getClassLoader();
type = p.readInt();
label = p.readString();
data = p.readString();
uri = p.readParcelable(loader);
id = p.readLong();
maxLines = p.readInt();
mimetype = p.readString();
}
}
ContactEntryAdapter(Context context, ArrayList<ArrayList<E>> sections, boolean separators) {
mContext = context;
mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mSections = sections;
mSeparators = separators;
}
/**
* Resets the section data.
*
* @param sections the section data
*/
public final void setSections(ArrayList<ArrayList<E>> sections, boolean separators) {
mSections = sections;
mSeparators = separators;
notifyDataSetChanged();
}
/**
* Resets the section data and returns the position of the given entry.
*
* @param sections the section data
* @param entry the entry to return the position for
* @return the position of entry, or -1 if it isn't found
*/
public final int setSections(ArrayList<ArrayList<E>> sections, E entry) {
mSections = sections;
notifyDataSetChanged();
int numSections = mSections.size();
int position = 0;
for (int i = 0; i < numSections; i++) {
ArrayList<E> section = mSections.get(i);
int sectionSize = section.size();
for (int j = 0; j < sectionSize; j++) {
E e = section.get(j);
if (e.equals(entry)) {
position += j;
return position;
}
}
position += sectionSize;
}
return -1;
}
/**
* @see android.widget.ListAdapter#getCount()
*/
public final int getCount() {
return countEntries(mSections, mSeparators);
}
/**
* @see android.widget.ListAdapter#hasSeparators()
*/
@Override
public final boolean areAllItemsEnabled() {
return mSeparators == false;
}
/**
* @see android.widget.ListAdapter#isSeparator(int)
*/
@Override
public final boolean isEnabled(int position) {
if (!mSeparators) {
return true;
}
int numSections = mSections.size();
for (int i = 0; i < numSections; i++) {
ArrayList<E> section = mSections.get(i);
int sectionSize = section.size();
if (sectionSize == 1) {
// The section only contains a separator and nothing else, skip it
continue;
}
if (position == 0) {
// The first item in a section is always the separator
return false;
}
position -= sectionSize;
}
return true;
}
/**
* @see android.widget.ListAdapter#getItem(int)
*/
public final Object getItem(int position) {
return getEntry(mSections, position, mSeparators);
}
/**
* Get the entry for the given position.
*
* @param sections the list of sections
* @param position the position for the desired entry
* @return the ContactEntry for the given position
*/
public final static <T extends Entry> T getEntry(ArrayList<ArrayList<T>> sections,
int position, boolean separators) {
int numSections = sections.size();
for (int i = 0; i < numSections; i++) {
ArrayList<T> section = sections.get(i);
int sectionSize = section.size();
if (separators && sectionSize == 1) {
// The section only contains a separator and nothing else, skip it
continue;
}
if (position < section.size()) {
return section.get(position);
}
position -= section.size();
}
return null;
}
/**
* Get the count of entries in all sections
*
* @param sections the list of sections
* @return the count of entries in all sections
*/
public static <T extends Entry> int countEntries(ArrayList<ArrayList<T>> sections,
boolean separators) {
int count = 0;
int numSections = sections.size();
for (int i = 0; i < numSections; i++) {
ArrayList<T> section = sections.get(i);
int sectionSize = section.size();
if (separators && sectionSize == 1) {
// The section only contains a separator and nothing else, skip it
continue;
}
count += sections.get(i).size();
}
return count;
}
/**
* @see android.widget.ListAdapter#getItemId(int)
*/
public final long getItemId(int position) {
Entry entry = getEntry(mSections, position, mSeparators);
if (entry != null) {
return entry.id;
} else {
return -1;
}
}
/**
* @see android.widget.ListAdapter#getView(int, View, ViewGroup)
*/
public View getView(int position, View convertView, ViewGroup parent) {
View v;
if (convertView == null) {
v = newView(position, parent);
} else {
v = convertView;
}
bindView(v, getEntry(mSections, position, mSeparators));
return v;
}
/**
* Create a new view for an entry.
*
* @parent the parent ViewGroup
* @return the newly created view
*/
protected abstract View newView(int position, ViewGroup parent);
/**
* Binds the data from an entry to a view.
*
* @param view the view to display the entry in
* @param entry the data to bind
*/
protected abstract void bindView(View view, E entry);
}