/**
+ * 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.ccxt.whl.activity;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.text.Editable;
import android.text.TextWatcher;
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.EditText;
import android.widget.ImageButton;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
import com.easemob.chat.EMChatManager;
import com.easemob.chat.EMContact;
import com.easemob.chat.EMConversation;
import com.easemob.chat.EMGroup;
import com.easemob.chat.EMGroupManager;
import com.easemob.chat.EMMessage;
import com.easemob.chat.GroupChangeListener;
import com.ccxt.whl.DemoApplication;
import com.ccxt.whl.R;
import com.ccxt.whl.adapter.ChatHistoryAdapter;
import com.ccxt.whl.db.InviteMessgeDao;
import com.ccxt.whl.domain.User;
/**
* 聊天记录Fragment
*
*/
public class ChatHistoryFragment extends Fragment {
private InputMethodManager inputMethodManager;
private ListView listView;
private Map<String, User> contactList;
private ChatHistoryAdapter adapter;
private EditText query;
private ImageButton clearSearch;
public RelativeLayout errorItem;
public TextView errorText;
private boolean hidden;
@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);
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);
// contact list
contactList = DemoApplication.getInstance().getContactList();
listView = (ListView) getView().findViewById(R.id.list);
adapter = new ChatHistoryAdapter(getActivity(), 1, loadUsersWithRecentChat());
// 设置adapter
listView.setAdapter(adapter);
listView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
EMContact emContact = adapter.getItem(position);
// if (adapter.getItem(position).getUsername().equals(DemoApplication.getInstance().getUserName()))
if (adapter.getItem(position).getUsername().equals(DemoApplication.getInstance().getUser()))
Toast.makeText(getActivity(), "不能和自己聊天", 0).show();
else {
// 进入聊天页面
Intent intent = new Intent(getActivity(), ChatActivity.class);
if (emContact instanceof EMGroup) {
//it is group chat
intent.putExtra("chatType", ChatActivity.CHATTYPE_GROUP);
intent.putExtra("groupId", ((EMGroup) emContact).getGroupId());
} else {
//it is single chat
intent.putExtra("userId", emContact.getUsername());
}
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
if (getActivity().getWindow().getAttributes().softInputMode != WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN) {
if (getActivity().getCurrentFocus() != null)
inputMethodManager.hideSoftInputFromWindow(getActivity().getCurrentFocus().getWindowToken(),
InputMethodManager.HIDE_NOT_ALWAYS);
}
return false;
}
});
// 搜索框
query = (EditText) getView().findViewById(R.id.query);
// 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();
}
});
}
@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) {
if (item.getItemId() == R.id.delete_message) {
EMContact tobeDeleteUser = adapter.getItem(((AdapterContextMenuInfo) item.getMenuInfo()).position);
boolean isGroup = false;
if(tobeDeleteUser instanceof EMGroup)
isGroup = true;
// 删除此会话
EMChatManager.getInstance().deleteConversation(tobeDeleteUser.getUsername(),isGroup);
InviteMessgeDao inviteMessgeDao = new InviteMessgeDao(getActivity());
inviteMessgeDao.deleteMessage(tobeDeleteUser.getUsername());
adapter.remove(tobeDeleteUser);
adapter.notifyDataSetChanged();
// 更新消息未读数
((MainActivity) getActivity()).updateUnreadLabel();
return true;
}
return super.onContextItemSelected(item);
}
/**
* 刷新页面
*/
public void refresh() {
adapter = new ChatHistoryAdapter(getActivity(), R.layout.row_chat_history, loadUsersWithRecentChat());
listView.setAdapter(adapter);
adapter.notifyDataSetChanged();
}
/**
* 获取有聊天记录的users和groups
*
* @param context
* @return
*/
private List<EMContact> loadUsersWithRecentChat() {
List<EMContact> resultList = new ArrayList<EMContact>();
//获取有聊天记录的users，不包括陌生人
for (User user : contactList.values()) {
EMConversation conversation = EMChatManager.getInstance().getConversation(user.getUsername());
if (conversation.getMsgCount() > 0) {
resultList.add(user);
}
}
for(EMGroup group : EMGroupManager.getInstance().getAllGroups()){
EMConversation conversation = EMChatManager.getInstance().getConversation(group.getGroupId());
if(conversation.getMsgCount() > 0){
resultList.add(group);
}
}
// 排序
sortUserByLastChatTime(resultList);
return resultList;
}
/**
* 根据最后一条消息的时间排序
*
* @param usernames
*/
private void sortUserByLastChatTime(List<EMContact> contactList) {
Collections.sort(contactList, new Comparator<EMContact>() {
@Override
public int compare(final EMContact user1, final EMContact user2) {
EMConversation conversation1 = EMChatManager.getInstance().getConversation(user1.getUsername());
EMConversation conversation2 = EMChatManager.getInstance().getConversation(user2.getUsername());
EMMessage user2LastMessage = conversation2.getLastMessage();
EMMessage user1LastMessage = conversation1.getLastMessage();
if (user2LastMessage.getMsgTime() == user1LastMessage.getMsgTime()) {
return 0;
} else if (user2LastMessage.getMsgTime() > user1LastMessage.getMsgTime()) {
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) {
refresh();
}
}
}