/*
* Copyright (C) 2007 Esmertec AG.
* 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.im.imps;
import java.util.ArrayList;
import com.android.im.engine.Address;
import com.android.im.engine.ChatGroup;
import com.android.im.engine.ChatGroupManager;
import com.android.im.engine.Contact;
import com.android.im.engine.GroupListener;
import com.android.im.engine.GroupMemberListener;
import com.android.im.engine.Invitation;
/**
* The implementation of ChatGroupManager with IMPS protocol.
*/
public class ImpsChatGroupManager extends ChatGroupManager implements
ServerTransactionListener {
private ImpsConnection mConnection;
private ImpsTransactionManager mTransactionManager;
ImpsChatGroupManager(ImpsConnection connection) {
mConnection = connection;
mTransactionManager = connection.getTransactionManager();
mTransactionManager.setTransactionListener(ImpsTags.GroupChangeNotice, this);
mTransactionManager.setTransactionListener(ImpsTags.LeaveGroup_Response, this);
mTransactionManager.setTransactionListener(ImpsTags.InviteUser_Request, this);
mTransactionManager.setTransactionListener(ImpsTags.Invite_Response, this);
}
@Override
protected void addGroupMemberAsync(final ChatGroup group, final Contact contact){
Primitive request = buildAddGroupMemberRequest(group, contact);
AsyncTransaction tx = new AsyncTransaction(mTransactionManager) {
@Override
public void onResponseError(ImpsErrorInfo error) {
notifyGroupMemberError(group, error);
}
@Override
public void onResponseOk(Primitive response) {
notifyMemberJoined(group, contact);
}
};
tx.sendRequest(request);
}
@Override
public void createChatGroupAsync(final String name) {
final ImpsAddress loginUserAddress = mConnection.getSession()
.getLoginUserAddress();
final ImpsAddress groupAddress = new ImpsGroupAddress(loginUserAddress, name);
Primitive primitive = buildCreateGroupRequest(name, groupAddress);
AsyncTransaction tx = new AsyncTransaction(mTransactionManager) {
@Override
public void onResponseError(ImpsErrorInfo error) {
notifyGroupError(GroupListener.ERROR_CREATING_GROUP, name, error);
}
@Override
public void onResponseOk(Primitive response) {
// The current user is joined into the group automatically.
ArrayList<Contact> members = new ArrayList<Contact>();
members.add(new Contact(loginUserAddress, loginUserAddress
.getUser()));
ChatGroup group = new ChatGroup(groupAddress, name, members,
ImpsChatGroupManager.this);
notifyGroupCreated(group);
}
};
tx.sendRequest(primitive);
}
@Override
public void deleteChatGroupAsync(final ChatGroup group) {
Primitive request = new Primitive(ImpsTags.DeleteGroup_Request);
request.addElement(ImpsTags.GroupID, group.getAddress().getFullName());
AsyncTransaction tx = new AsyncTransaction(mTransactionManager) {
@Override
public void onResponseError(ImpsErrorInfo error) {
notifyGroupError(GroupListener.ERROR_DELETING_GROUP,
group.getName(), error);
}
@Override
public void onResponseOk(Primitive response) {
notifyGroupDeleted(group);
}
};
tx.sendRequest(request);
}
@Override
public void inviteUserAsync(final ChatGroup group, Contact contact) {
Primitive request = buildInviteUserRequest(group, contact);
AsyncTransaction tx = new AsyncTransaction(mTransactionManager){
@Override
public void onResponseError(ImpsErrorInfo error) {
notifyGroupMemberError(group, error);
}
@Override
public void onResponseOk(Primitive response) {
//Do nothing
}
};
tx.sendRequest(request);
}
@Override
public void acceptInvitationAsync(Invitation invitation){
joinChatGroupAsync(invitation.getGroupAddress());
sendInvitationResposne(invitation, true);
}
@Override
public void rejectInvitationAsync(Invitation invitation) {
sendInvitationResposne(invitation, false);
}
private void sendInvitationResposne(Invitation invitation, boolean accept) {
Primitive response = new Primitive(ImpsTags.InviteUser_Response);
response.addElement(ImpsTags.InviteID, invitation.getInviteID());
response.addElement(ImpsTags.Acceptance, ImpsUtils.toImpsBool(accept));
ImpsAddress sender = (ImpsAddress) invitation.getSender();
response.addElement(sender.toPrimitiveElement());
AsyncTransaction tx = new AsyncTransaction(mTransactionManager){
@Override
public void onResponseError(ImpsErrorInfo error) {
// Ignore
}
@Override
public void onResponseOk(Primitive res) {
// Ignore
}
};
tx.sendRequest(response);
}
@Override
public void joinChatGroupAsync(final Address address) {
Primitive request = buildJoinGroupRequest(address);
AsyncTransaction tx = new AsyncTransaction(mTransactionManager) {
@Override
public void onResponseError(ImpsErrorInfo error) {
notifyGroupError(GroupListener.ERROR_JOINING_IN_GROUP,
address.getScreenName(), error);
}
@Override
public void onResponseOk(Primitive response) {
ArrayList<Contact> members = new ArrayList<Contact>();
// FIXME: UserMapList is a child of Joined in version 1.3
PrimitiveElement userMapping = response
.getElement(ImpsTags.UserMapList);
extractUserMapList(userMapping, members);
ChatGroup group = new ChatGroup(address, address
.getScreenName(), members, ImpsChatGroupManager.this);
notifyJoinedGroup(group);
}
};
tx.sendRequest(request);
}
@Override
public void leaveChatGroupAsync(final ChatGroup group) {
Primitive leaveRequest = buildLeaveGroupRequest(group);
AsyncTransaction tx = new AsyncTransaction(mTransactionManager) {
@Override
public void onResponseError(ImpsErrorInfo error) {
notifyGroupError(GroupListener.ERROR_LEAVING_GROUP,
group.getName(), error);
}
@Override
public void onResponseOk(Primitive response) {
notifyLeftGroup(group);
}
};
tx.sendRequest(leaveRequest);
}
@Override
protected void removeGroupMemberAsync(final ChatGroup group, final Contact contact) {
Primitive request = buildRemoveGroupMemberRequest(group, contact);
AsyncTransaction tx = new AsyncTransaction(mTransactionManager) {
@Override
public void onResponseError(ImpsErrorInfo error) {
notifyGroupMemberError(group, error);
}
@Override
public void onResponseOk(Primitive response) {
notifyMemberLeft(group, contact);
}
};
tx.sendRequest(request);
}
/**
* Loads the members of a ChatGroup asynchronously. This method will create
* a ChatGroup and return immediately. After the members are fetched from
* the server,
* {@link GroupMemberListener#onMemberJoined(ChatGroup, Contact)}} will be
* called.
*
* @param address
*/
ChatGroup loadGroupMembersAsync(ImpsGroupAddress address) {
//FIXME: NowIMP Server doesn't support this primitive.
// Primitive request = new Primitive(ImpsTags.GetJoinedUsers_Request);
// request.addElement(ImpsTags.GroupID, address.getFullName());
// Primitive response = mConnection.sendRequest(request);
// ImpsUtils.checkResult(response);
//
// ChatGroup group = new ChatGroup(address, address.getScreenName(), this);
throw new RuntimeException("Not implemented yet");
}
public void notifyServerTransaction(ServerTransaction tx) {
final Primitive primitive = tx.getRequest();
String type = primitive.getType();
if (ImpsTags.GroupChangeNotice.equals(type)) {
tx.sendStatusResponse(ImpsConstants.SUCCESS_CODE);
handleGroupChange(primitive);
} else if (ImpsTags.InviteUser_Request.equals(type)) {
tx.sendStatusResponse(ImpsConstants.SUCCESS_CODE);
String inviteType = primitive.getElementContents(ImpsTags.InviteType);
// We only handle Group invitation right now.
if (ImpsConstants.GROUP_INVITATION.equals(inviteType)) {
handleInvitation(primitive);
}
} else if (ImpsTags.LeaveGroup_Response.equals(type)) {
tx.sendStatusResponse(ImpsConstants.SUCCESS_CODE);
String groupId = primitive.getElementContents(ImpsTags.GroupID);
ChatGroup group = mGroups.get(new ImpsGroupAddress(groupId));
if(group != null) {
notifyLeftGroup(group);
} else {
ImpsLog.log("Leave unknown group:" + groupId);
}
} else if (ImpsTags.Invite_Response.equals(type)) {
tx.sendStatusResponse(ImpsConstants.SUCCESS_CODE);
//TODO: notify the user?
}
}
void handleGroupChange(final Primitive primitive) {
String groupId = primitive.getElementContents(ImpsTags.GroupID);
ImpsGroupAddress address = new ImpsGroupAddress(groupId);
ArrayList<Contact> joined = new ArrayList<Contact>();
PrimitiveElement joinedElem = primitive.getElement(ImpsTags.Joined);
if (joinedElem != null) {
extractUserMapList(joinedElem.getFirstChild(), joined);
}
ArrayList<Contact> left = new ArrayList<Contact>();
PrimitiveElement leftElem = primitive.getElement(ImpsTags.Left);
if (leftElem != null) {
extractUserMapList(leftElem.getFirstChild(), left);
}
notifyGroupChanged(address, joined, left);
}
void handleInvitation(final Primitive primitive) {
String inviteId = primitive.getElementContents(ImpsTags.InviteID);
PrimitiveElement sender = primitive.getElement(ImpsTags.Sender);
ImpsAddress senderAddress = ImpsAddress.fromPrimitiveElement(sender
.getFirstChild());
String groupId = primitive.getElementContents(ImpsTags.GroupID);
Address groupAddress = new ImpsGroupAddress(groupId);
String inviteNote = primitive.getElementContents(ImpsTags.InviteNote);
Invitation invitation = new Invitation(inviteId, groupAddress,
senderAddress, inviteNote);
notifyGroupInvitation(invitation);
}
private Primitive buildAddGroupMemberRequest(final ChatGroup group, final Contact contact) {
Primitive request = new Primitive(ImpsTags.AddGroupMembers_Request);
request.addElement(ImpsTags.GroupID, group.getAddress().getFullName());
// FIXME: It's UserIDList in 1.3
PrimitiveElement userList = request.addElement(ImpsTags.UserList);
PrimitiveElement user = userList.addChild(ImpsTags.User);
user.addChild(ImpsTags.UserID, contact.getAddress().getFullName());
return request;
}
private Primitive buildCreateGroupRequest(String name, ImpsAddress groupAddress) {
Primitive primitive = new Primitive(ImpsTags.CreateGroup_Request);
primitive.addElement(ImpsTags.GroupID, groupAddress.getFullName());
PrimitiveElement propertiesElem = primitive.addElement(ImpsTags.GroupProperties);
propertiesElem.addPropertyChild(ImpsTags.Name, name);
propertiesElem.addPropertyChild(ImpsTags.Accesstype, ImpsConstants.Open);
propertiesElem.addPropertyChild(ImpsTags.PrivateMessaging, false);
propertiesElem.addPropertyChild(ImpsTags.Searchable, false);
propertiesElem.addPropertyChild(ImpsTags.AutoDelete, true);
// TODO: welcome note?
primitive.addElement(ImpsTags.JoinGroup, true);
PrimitiveElement screenName = primitive.addElement(ImpsTags.ScreenName);
screenName.addChild(ImpsTags.SName, mConnection.getLoginUserName());
screenName.addChild(ImpsTags.GroupID, groupAddress.getFullName());
primitive.addElement(ImpsTags.SubscribeNotification, true);
return primitive;
}
private Primitive buildInviteUserRequest(ChatGroup group, Contact contact) {
String inviteId = nextInviteID();
Primitive request = new Primitive(ImpsTags.Invite_Request);
request.addElement(ImpsTags.InviteID, inviteId);
request.addElement(ImpsTags.InviteType, ImpsConstants.GROUP_INVITATION);
// FIXME: <Sender> is only required in IMPS1.3
// ImpsGroupAddress groupAddress = (ImpsGroupAddress)group.getAddress();
// groupAddress.setScreenName(mConnection.getLoginUser());
// request.addElement(ImpsTags.Sender).addChild(groupAddress.toPrimitiveElement());
request.addElement(ImpsTags.Recipient).addChild(
((ImpsAddress)contact.getAddress()).toPrimitiveElement());
request.addElement(ImpsTags.GroupID, group.getAddress().getFullName());
// FIXME: <ScreenName> is only needed in IMPS1.2
PrimitiveElement screenName = request.addElement(ImpsTags.ScreenName);
screenName.addChild(ImpsTags.SName, mConnection.getLoginUserName());
screenName.addChild(ImpsTags.GroupID, group.getAddress().getFullName());
return request;
}
private Primitive buildJoinGroupRequest(Address address) {
Primitive request = new Primitive(ImpsTags.JoinGroup_Request);
request.addElement(ImpsTags.GroupID, address.getFullName());
PrimitiveElement screenName = request.addElement(ImpsTags.ScreenName);
screenName.addChild(ImpsTags.SName, mConnection.getLoginUserName());
screenName.addChild(ImpsTags.GroupID, address.getFullName());
request.addElement(ImpsTags.JoinedRequest, true);
request.addElement(ImpsTags.SubscribeNotification, true);
return request;
}
private Primitive buildLeaveGroupRequest(ChatGroup group) {
Primitive leaveRequest = new Primitive(ImpsTags.LeaveGroup_Request);
leaveRequest.addElement(ImpsTags.GroupID, group.getAddress().getFullName());
return leaveRequest;
}
private Primitive buildRemoveGroupMemberRequest(ChatGroup group, Contact contact) {
Primitive request = new Primitive(ImpsTags.RemoveGroupMembers_Request);
request.addElement(ImpsTags.GroupID, group.getAddress().getFullName());
// FIXME: It's UserIDList in 1.3
PrimitiveElement userList = request.addElement(ImpsTags.UserList);
PrimitiveElement user = userList.addChild(ImpsTags.User);
user.addChild(ImpsTags.UserID, contact.getAddress().getFullName());
return request;
}
private void extractUserMapList(PrimitiveElement userMapList,
ArrayList<Contact> list) {
// FIXME: UserMapping is the child of UserMapList in version 1.3
PrimitiveElement userMapping = userMapList;
if (userMapping != null) {
for (PrimitiveElement mapping : userMapping.getChildren()) {
String name = mapping.getChildContents(ImpsTags.SName);
String id = mapping.getChildContents(ImpsTags.UserID);
if (id == null) {
id = name;
}
list.add((Contact)(new ImpsUserAddress(id)).getEntity(mConnection));
}
}
}
private static int sInviteID = 0;
private synchronized String nextInviteID() {
return "invite" + System.currentTimeMillis() + (sInviteID++);
}
}
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