/**
* Copyright (C) 2013-2014 EaseMob Technologies. All rights reserved.
*
* 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.easemob.chatuidemo.adapter;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import org.json.JSONObject;
import android.content.Context;
import android.content.SharedPreferences;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.Filter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.TextView.BufferType;
import com.easemob.applib.controller.HXSDKHelper;
import com.easemob.chat.EMChatManager;
import com.easemob.chat.EMChatRoom;
import com.easemob.chat.EMConversation;
import com.easemob.chat.EMGroup;
import com.easemob.chat.EMGroupManager;
import com.easemob.chat.EMMessage;
import com.easemob.chat.ImageMessageBody;
import com.easemob.chat.TextMessageBody;
import com.easemob.chat.EMConversation.EMConversationType;
import com.easemob.chatuidemo.Constant;
import com.easemob.chatuidemo.DemoHXSDKHelper;
import com.easemob.chatuidemo.activity.SplashActivity;
import com.sxit.dreamiya.R;
import com.sxit.dreamiya.common.Instance;
import com.easemob.chatuidemo.domain.RobotUser;
import com.easemob.chatuidemo.utils.DateUtils;
import com.easemob.chatuidemo.utils.SmileUtils;
import com.easemob.chatuidemo.utils.UserUtils;
import com.easemob.util.EMLog;
/**
* 显示所有聊天记录adpater
*
*/
public class ChatAllHistoryAdapter extends ArrayAdapter<EMConversation> {
private static final String TAG = "ChatAllHistoryAdapter";
private LayoutInflater inflater;
private List<EMConversation> conversationList;
private List<EMConversation> copyConversationList;
private ConversationFilter conversationFilter;
private boolean notiyfyByFilter;
Context mContext;
ListView listview;
public ChatAllHistoryAdapter(Context context, int textViewResourceId, List<EMConversation> objects, ListView _listview) {
super(context, textViewResourceId, objects);
this.conversationList = objects;
copyConversationList = new ArrayList<EMConversation>();
copyConversationList.addAll(objects);
inflater = LayoutInflater.from(context);
listview = _listview;
mContext = context;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
convertView = inflater.inflate(R.layout.row_chat_history, parent, false);
}
ViewHolder holder = (ViewHolder) convertView.getTag();
if (holder == null) {
holder = new ViewHolder();
holder.name = (TextView) convertView.findViewById(R.id.name);
holder.unreadLabel = (TextView) convertView.findViewById(R.id.unread_msg_number);
holder.message = (TextView) convertView.findViewById(R.id.message);
holder.time = (TextView) convertView.findViewById(R.id.time);
holder.avatar = (ImageView) convertView.findViewById(R.id.avatar);
holder.msgState = convertView.findViewById(R.id.msg_state);
holder.list_item_layout = (RelativeLayout) convertView.findViewById(R.id.list_item_layout);
convertView.setTag(holder);
}
if (position % 2 == 0) {
holder.list_item_layout.setBackgroundResource(R.drawable.mm_listitem);
} else {
holder.list_item_layout.setBackgroundResource(R.drawable.mm_listitem_grey);
}
// 获取与此用户/群组的会话
EMConversation conversation = getItem(position);
// 获取用户username或者群组groupid
String name = conversation.getLastMessage().getStringAttribute("name", "");
String name_local = SplashActivity.userinfo.getRealName();
String headpic = "";
if(name.equals(name_local)){
// holder.name.setText(conversation.getLastMessage().getStringAttribute("toname", ""));
headpic = conversation.getLastMessage().getStringAttribute("topic", "");
}else{
// holder.name.setText(conversation.getLastMessage().getStringAttribute("name", ""));
headpic = conversation.getLastMessage().getStringAttribute("pic", "");
}
// 获取用户username或者群组groupid
String username = conversation.getUserName();
if (conversation.getType() == EMConversationType.GroupChat) {
// 群聊消息，显示群聊头像
holder.avatar.setImageResource(R.drawable.group_icon);
EMGroup group = EMGroupManager.getInstance().getGroup(username);
holder.name.setText(group != null ? group.getGroupName() : username);
} else if(conversation.getType() == EMConversationType.ChatRoom){
holder.avatar.setImageResource(R.drawable.group_icon);
EMChatRoom room = EMChatManager.getInstance().getChatRoom(username);
holder.name.setText(room != null && !TextUtils.isEmpty(room.getName()) ? room.getName() : username);
}else {
// UserUtils.setUserAvatar(getContext(), username, holder.avatar);
Instance.imageLoader.displayImage(headpic, holder.avatar, Instance.user_options);
if (username.equals(Constant.GROUP_USERNAME)) {
holder.name.setText("群聊");
} else if (username.equals(Constant.NEW_FRIENDS_USERNAME)) {
holder.name.setText("申请与通知");
}
Map<String,RobotUser> robotMap=((DemoHXSDKHelper)HXSDKHelper.getInstance()).getRobotList();
if(robotMap!=null&&robotMap.containsKey(name)){
String nick = robotMap.get(name).getNick();
if(!TextUtils.isEmpty(nick)){
holder.name.setText(nick);
}else{
holder.name.setText(name);
}
}else{
holder.name.setText(name);
}
if(name.equals(name_local)){
holder.name.setText(conversation.getLastMessage().getStringAttribute("toname", ""));
// headpic = conversation.getLastMessage().getStringAttribute("topic", "");
}else{
holder.name.setText(conversation.getLastMessage().getStringAttribute("name", ""));
// headpic = conversation.getLastMessage().getStringAttribute("pic", "");
}
}
if (conversation.getUnreadMsgCount() > 0) {
// 显示与此用户的消息未读数
holder.unreadLabel.setText(String.valueOf(conversation.getUnreadMsgCount()));
holder.unreadLabel.setVisibility(View.VISIBLE);
} else {
holder.unreadLabel.setVisibility(View.INVISIBLE);
}
if (conversation.getMsgCount() != 0) {
// 把最后一条消息的内容作为item的message内容
EMMessage lastMessage = conversation.getLastMessage();
holder.message.setText(SmileUtils.getSmiledText(getContext(), getMessageDigest(lastMessage, (this.getContext()))),
BufferType.SPANNABLE);
holder.time.setText(DateUtils.getTimestampString(new Date(lastMessage.getMsgTime())));
if (lastMessage.direct == EMMessage.Direct.SEND && lastMessage.status == EMMessage.Status.FAIL) {
holder.msgState.setVisibility(View.VISIBLE);
} else {
holder.msgState.setVisibility(View.GONE);
}
}
return convertView;
}
/**
* 根据消息内容和消息类型获取消息内容提示
*
* @param message
* @param context
* @return
*/
private String getMessageDigest(EMMessage message, Context context) {
String digest = "";
switch (message.getType()) {
case LOCATION: // 位置消息
if (message.direct == EMMessage.Direct.RECEIVE) {
// 从sdk中提到了ui中，使用更简单不犯错的获取string的方法
// digest = EasyUtils.getAppResourceString(context,
// "location_recv");
digest = getStrng(context, R.string.location_recv);
digest = String.format(digest, message.getFrom());
return digest;
} else {
// digest = EasyUtils.getAppResourceString(context,
// "location_prefix");
digest = getStrng(context, R.string.location_prefix);
}
break;
case IMAGE: // 图片消息
ImageMessageBody imageBody = (ImageMessageBody) message.getBody();
digest = getStrng(context, R.string.picture) + imageBody.getFileName();
break;
case VOICE:// 语音消息
digest = getStrng(context, R.string.voice);
break;
case VIDEO: // 视频消息
digest = getStrng(context, R.string.video);
break;
case TXT: // 文本消息
if(((DemoHXSDKHelper)HXSDKHelper.getInstance()).isRobotMenuMessage(message)){
digest = ((DemoHXSDKHelper)HXSDKHelper.getInstance()).getRobotMenuMessageDigest(message);
}else if(message.getBooleanAttribute(Constant.MESSAGE_ATTR_IS_VOICE_CALL,false)){
TextMessageBody txtBody = (TextMessageBody) message.getBody();
digest = getStrng(context, R.string.voice_call) + txtBody.getMessage();
}else{
TextMessageBody txtBody = (TextMessageBody) message.getBody();
digest = txtBody.getMessage();
}
break;
case FILE: // 普通文件消息
digest = getStrng(context, R.string.file);
break;
default:
EMLog.e(TAG, "unknow type");
return "";
}
return digest;
}
private static class ViewHolder {
/** 和谁的聊天记录 */
TextView name;
/** 消息未读数 */
TextView unreadLabel;
/** 最后一条消息的内容 */
TextView message;
/** 最后一条消息的时间 */
TextView time;
/** 用户头像 */
ImageView avatar;
/** 最后一条消息的发送状态 */
View msgState;
/** 整个list中每一行总布局 */
RelativeLayout list_item_layout;
}
String getStrng(Context context, int resId) {
return context.getResources().getString(resId);
}
@Override
public Filter getFilter() {
if (conversationFilter == null) {
conversationFilter = new ConversationFilter(conversationList);
}
return conversationFilter;
}
private class ConversationFilter extends Filter {
List<EMConversation> mOriginalValues = null;
public ConversationFilter(List<EMConversation> mList) {
mOriginalValues = mList;
}
@Override
protected FilterResults performFiltering(CharSequence prefix) {
FilterResults results = new FilterResults();
if (mOriginalValues == null) {
mOriginalValues = new ArrayList<EMConversation>();
}
if (prefix == null || prefix.length() == 0) {
results.values = copyConversationList;
results.count = copyConversationList.size();
} else {
String prefixString = prefix.toString();
final int count = mOriginalValues.size();
final ArrayList<EMConversation> newValues = new ArrayList<EMConversation>();
for (int i = 0; i < count; i++) {
final EMConversation value = mOriginalValues.get(i);
String username = value.getUserName();
EMGroup group = EMGroupManager.getInstance().getGroup(username);
if(group != null){
username = group.getGroupName();
}
// First match against the whole ,non-splitted value
if (username.startsWith(prefixString)) {
newValues.add(value);
} else{
final String[] words = username.split(" ");
final int wordCount = words.length;
// Start at index 0, in case valueText starts with space(s)
for (int k = 0; k < wordCount; k++) {
if (words[k].startsWith(prefixString)) {
newValues.add(value);
break;
}
}
}
}
results.values = newValues;
results.count = newValues.size();
}
return results;
}
@Override
protected void publishResults(CharSequence constraint, FilterResults results) {
conversationList.clear();
conversationList.addAll((List<EMConversation>) results.values);
if (results.count > 0) {
notiyfyByFilter = true;
notifyDataSetChanged();
} else {
notifyDataSetInvalidated();
}
}
}
@Override
public void notifyDataSetChanged() {
super.notifyDataSetChanged();
if(!notiyfyByFilter){
copyConversationList.clear();
copyConversationList.addAll(conversationList);
notiyfyByFilter = false;
}
}
}