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/*
* Copyright (c) 2010 Kevin Smith
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include "Swiften/Roster/XMPPRosterController.h"
#include <boost/bind.hpp>
#include <iostream>
#include "Swiften/Base/foreach.h"
#include "Swiften/Elements/RosterItemPayload.h"
#include "Swiften/Queries/IQRouter.h"
#include "Swiften/Roster/GetRosterRequest.h"
#include "Swiften/Roster/XMPPRosterImpl.h"
#include <Swiften/Roster/RosterStorage.h>
namespace Swift {
/**
* The controller does not gain ownership of these parameters.
*/
XMPPRosterController::XMPPRosterController(IQRouter* iqRouter, XMPPRosterImpl* xmppRoster, RosterStorage* rosterStorage) : iqRouter_(iqRouter), rosterPushResponder_(iqRouter), xmppRoster_(xmppRoster), rosterStorage_(rosterStorage), useVersioning(false) {
rosterPushResponder_.onRosterReceived.connect(boost::bind(&XMPPRosterController::handleRosterReceived, this, _1, false, boost::shared_ptr<RosterPayload>()));
rosterPushResponder_.start();
}
XMPPRosterController::~XMPPRosterController() {
rosterPushResponder_.stop();
}
void XMPPRosterController::requestRoster() {
xmppRoster_->clear();
boost::shared_ptr<RosterPayload> storedRoster = rosterStorage_->getRoster();
GetRosterRequest::ref rosterRequest;
if (useVersioning) {
std::string version = "";
if (storedRoster && storedRoster->getVersion()) {
version = *storedRoster->getVersion();
}
rosterRequest = GetRosterRequest::create(iqRouter_, version);
}
else {
rosterRequest = GetRosterRequest::create(iqRouter_);
}
rosterRequest->onResponse.connect(boost::bind(&XMPPRosterController::handleRosterReceived, this, _1, true, storedRoster));
rosterRequest->send();
}
void XMPPRosterController::handleRosterReceived(boost::shared_ptr<RosterPayload> rosterPayload, bool initial, boost::shared_ptr<RosterPayload> previousRoster) {
if (rosterPayload) {
foreach(const RosterItemPayload& item, rosterPayload->getItems()) {
//Don't worry about the updated case, the XMPPRoster sorts that out.
if (item.getSubscription() == RosterItemPayload::Remove) {
xmppRoster_->removeContact(item.getJID());
} else {
xmppRoster_->addContact(item.getJID(), item.getName(), item.getGroups(), item.getSubscription());
}
}
}
else if (previousRoster) {
// The cached version hasn't changed; emit all items
foreach(const RosterItemPayload& item, previousRoster->getItems()) {
if (item.getSubscription() != RosterItemPayload::Remove) {
xmppRoster_->addContact(item.getJID(), item.getName(), item.getGroups(), item.getSubscription());
}
else {
std::cerr << "ERROR: Stored invalid roster item" << std::endl;
}
}
}
if (initial) {
xmppRoster_->onInitialRosterPopulated();
}
if (rosterPayload && rosterPayload->getVersion() && useVersioning) {
saveRoster(*rosterPayload->getVersion());
}
}
void XMPPRosterController::saveRoster(const std::string& version) {
std::vector<XMPPRosterItem> items = xmppRoster_->getItems();
boost::shared_ptr<RosterPayload> roster(new RosterPayload());
roster->setVersion(version);
foreach(const XMPPRosterItem& item, items) {
roster->addItem(RosterItemPayload(item.getJID(), item.getName(), item.getSubscription(), item.getGroups()));
}
rosterStorage_->setRoster(roster);
}
}
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Swift