package com.easemob.chatuidemo.activity;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Hashtable;
import java.util.List;
import com.easemob.chat.EMChatManager;
import com.easemob.chat.EMConversation;
import com.easemob.chat.EMConversation.EMConversationType;
import com.easemob.chatuidemo.Constant;
import com.easemob.chatuidemo.DemoApplication;
import com.easemob.chatuidemo.adapter.ChatAllHistoryAdapter;
import com.easemob.chatuidemo.db.InviteMessgeDao;
import com.sxit.dreamiya.R;
import com.sxit.dreamiya.activity.chat.ContactActivity;
import com.sxit.dreamiya.utils.SOAP_UTILS;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Pair;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
/**
* 显示所有会话记录，比较简单的实现，更好的可能是把陌生人存入本地，这样取到的聊天记录是可控的
*
*/
public class ChatAllHistoryFragment extends Fragment implements View.OnClickListener {
private InputMethodManager inputMethodManager;
private ListView listView;
private ChatAllHistoryAdapter adapter;
private EditText query;
private ImageButton clearSearch;
public RelativeLayout errorItem;
public TextView errorText;
private boolean hidden;
private List<EMConversation> conversationList = new ArrayList<EMConversation>();
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment_conversation_history, container, false);
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
if(savedInstanceState != null && savedInstanceState.getBoolean("isConflict", false))
return;
inputMethodManager = (InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
errorItem = (RelativeLayout) getView().findViewById(R.id.rl_error_item);
errorText = (TextView) errorItem.findViewById(R.id.tv_connect_errormsg);
conversationList.addAll(loadConversationsWithRecentChat());
listView = (ListView) getView().findViewById(R.id.list);
adapter = new ChatAllHistoryAdapter(getActivity(), 1, conversationList, listView);
// 设置adapter
listView.setAdapter(adapter);
Button group_bt = (Button) getView().findViewById(R.id.group_bt);
Button contact_bt = (Button) getView().findViewById(R.id.contact_bt);
group_bt.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent();
intent.setClass(getActivity(), GroupsActivity.class);
startActivity(intent);
}
});
contact_bt.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent();
intent.setClass(getActivity(), ContactActivity.class);
startActivity(intent);
}
});
final String st2 = getResources().getString(R.string.Cant_chat_with_yourself);
listView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
EMConversation conversation = adapter.getItem(position);
String username = conversation.getUserName();
if (username.equals(DemoApplication.getInstance().getUserName()))
Toast.makeText(getActivity(), st2, 0).show();
else {
// 进入聊天页面
Intent intent = new Intent(getActivity(), ChatActivity.class);
if(conversation.isGroup()){
if(conversation.getType() == EMConversationType.ChatRoom){
// it is group chat
intent.putExtra("chatType", ChatActivity.CHATTYPE_CHATROOM);
intent.putExtra("groupId", username);
}else{
// it is group chat
intent.putExtra("chatType", ChatActivity.CHATTYPE_GROUP);
intent.putExtra("groupId", username);
}
}else{
// it is single chat
intent.putExtra("userId", username);
}
String name = SplashActivity.userinfo.getRealName();
String pic = SplashActivity.userinfo.getHeadPic();
String conversation_name = conversation.getLastMessage().getStringAttribute("name", "");
String toname = "";
String topic = "";
if(conversation_name.equals(name)){
toname = conversation.getLastMessage().getStringAttribute("toname", "");
topic = conversation.getLastMessage().getStringAttribute("topic", "");
}else{
toname = conversation.getLastMessage().getStringAttribute("name", "");
topic = conversation.getLastMessage().getStringAttribute("pic", "");
}
intent.putExtra("Realname", toname);
intent.putExtra("name", name);
intent.putExtra("toname", toname);
intent.putExtra("pic", SOAP_UTILS.PIC_FILE + pic);
intent.putExtra("topic", topic);
startActivity(intent);
}
}
});
// 注册上下文菜单
registerForContextMenu(listView);
listView.setOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
// 隐藏软键盘
hideSoftKeyboard();
return false;
}
});
// 搜索框
query = (EditText) getView().findViewById(R.id.query);
String strSearch = getResources().getString(R.string.search);
query.setHint(strSearch);
// 搜索框中清除button
clearSearch = (ImageButton) getView().findViewById(R.id.search_clear);
query.addTextChangedListener(new TextWatcher() {
public void onTextChanged(CharSequence s, int start, int before, int count) {
adapter.getFilter().filter(s);
if (s.length() > 0) {
clearSearch.setVisibility(View.VISIBLE);
} else {
clearSearch.setVisibility(View.INVISIBLE);
}
}
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
public void afterTextChanged(Editable s) {
}
});
clearSearch.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
query.getText().clear();
hideSoftKeyboard();
}
});
}
void hideSoftKeyboard() {
if (getActivity().getWindow().getAttributes().softInputMode != WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN) {
if (getActivity().getCurrentFocus() != null)
inputMethodManager.hideSoftInputFromWindow(getActivity().getCurrentFocus().getWindowToken(),
InputMethodManager.HIDE_NOT_ALWAYS);
}
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
super.onCreateContextMenu(menu, v, menuInfo);
// if(((AdapterContextMenuInfo)menuInfo).position > 0){ m,
getActivity().getMenuInflater().inflate(R.menu.delete_message, menu);
// }
}
@Override
public boolean onContextItemSelected(MenuItem item) {
boolean handled = false;
boolean deleteMessage = false;
if (item.getItemId() == R.id.delete_message) {
deleteMessage = true;
handled = true;
} else if (item.getItemId() == R.id.delete_conversation) {
deleteMessage = false;
handled = true;
}
EMConversation tobeDeleteCons = adapter.getItem(((AdapterContextMenuInfo) item.getMenuInfo()).position);
// 删除此会话
EMChatManager.getInstance().deleteConversation(tobeDeleteCons.getUserName(), tobeDeleteCons.isGroup(), deleteMessage);
InviteMessgeDao inviteMessgeDao = new InviteMessgeDao(getActivity());
inviteMessgeDao.deleteMessage(tobeDeleteCons.getUserName());
adapter.remove(tobeDeleteCons);
adapter.notifyDataSetChanged();
// 更新消息未读数
((MainActivity) getActivity()).updateUnreadLabel();
return handled ? true : super.onContextItemSelected(item);
}
/**
* 刷新页面
*/
public void refresh() {
conversationList.clear();
conversationList.addAll(loadConversationsWithRecentChat());
if(adapter != null)
adapter.notifyDataSetChanged();
}
/**
* 获取所有会话
*
* @param context
* @return
+ */
private List<EMConversation> loadConversationsWithRecentChat() {
// 获取所有会话，包括陌生人
Hashtable<String, EMConversation> conversations = EMChatManager.getInstance().getAllConversations();
// 过滤掉messages size为0的conversation
/**
* 如果在排序过程中有新消息收到，lastMsgTime会发生变化
* 影响排序过程，Collection.sort会产生异常
* 保证Conversation在Sort过程中最后一条消息的时间不变
* 避免并发问题
*/
List<Pair<Long, EMConversation>> sortList = new ArrayList<Pair<Long, EMConversation>>();
synchronized (conversations) {
for (EMConversation conversation : conversations.values()) {
if (conversation.getAllMessages().size() != 0) {
//if(conversation.getType() != EMConversationType.ChatRoom){
sortList.add(new Pair<Long, EMConversation>(conversation.getLastMessage().getMsgTime(), conversation));
//}
}
}
}
try {
// Internal is TimSort algorithm, has bug
sortConversationByLastChatTime(sortList);
} catch (Exception e) {
e.printStackTrace();
}
List<EMConversation> list = new ArrayList<EMConversation>();
for (Pair<Long, EMConversation> sortItem : sortList) {
list.add(sortItem.second);
}
return list;
}
/**
* 根据最后一条消息的时间排序
*
* @param usernames
*/
private void sortConversationByLastChatTime(List<Pair<Long, EMConversation>> conversationList) {
Collections.sort(conversationList, new Comparator<Pair<Long, EMConversation>>() {
@Override
public int compare(final Pair<Long, EMConversation> con1, final Pair<Long, EMConversation> con2) {
if (con1.first == con2.first) {
return 0;
} else if (con2.first > con1.first) {
return 1;
} else {
return -1;
}
}
});
}
@Override
public void onHiddenChanged(boolean hidden) {
super.onHiddenChanged(hidden);
this.hidden = hidden;
if (!hidden) {
refresh();
}
}
@Override
public void onResume() {
super.onResume();
if (!hidden && ! ((MainActivity)getActivity()).isConflict) {
refresh();
}
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
if(((MainActivity)getActivity()).isConflict){
outState.putBoolean("isConflict", true);
}else if(((MainActivity)getActivity()).getCurrentAccountRemoved()){
outState.putBoolean(Constant.ACCOUNT_REMOVED, true);
}
}
@Override
public void onClick(View v) {
}
}