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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/GroupRosterItem.h"
#include <boost/bind.hpp>
#include <iostream>
namespace Swift {
GroupRosterItem::GroupRosterItem(const String& name, GroupRosterItem* parent) : RosterItem(name, parent) {
}
GroupRosterItem::~GroupRosterItem() {
}
const std::vector<RosterItem*>& GroupRosterItem::getChildren() const {
return children_;
}
const std::vector<RosterItem*>& GroupRosterItem::getDisplayedChildren() const {
// std::cout << "Fetching displayed children for " << getDisplayName() << " and found " << displayedChildren_.size() << std::endl;
return displayedChildren_;
}
void GroupRosterItem::addChild(RosterItem* item) {
children_.push_back(item);
GroupRosterItem* group = dynamic_cast<GroupRosterItem*>(item);
if (group) {
group->onChildrenChanged.connect(boost::bind(&GroupRosterItem::handleChildrenChanged, this, group));
}
onChildrenChanged();
onDataChanged();
}
/**
* Returns the removed item - but only if it's the only one, otherwise
* the return result is undefined.
*/
ContactRosterItem* GroupRosterItem::removeChild(const JID& jid) {
std::vector<RosterItem*>::iterator it = children_.begin();
ContactRosterItem* removed = NULL;
while (it != children_.end()) {
ContactRosterItem* contact = dynamic_cast<ContactRosterItem*>(*it);
if (contact && contact->getJID() == jid) {
displayedChildren_.erase(std::remove(displayedChildren_.begin(), displayedChildren_.end(), contact), displayedChildren_.end());
removed = contact;
delete contact;
it = children_.erase(it);
continue;
}
GroupRosterItem* group = dynamic_cast<GroupRosterItem*>(*it);
if (group) {
ContactRosterItem* groupRemoved = group->removeChild(jid);
if (groupRemoved) {
removed = groupRemoved;
}
}
it++;
}
onChildrenChanged();
onDataChanged();
return removed;
}
void GroupRosterItem::sortDisplayed() {
std::stable_sort(displayedChildren_.begin(), displayedChildren_.end(), itemLessThan);
}
bool GroupRosterItem::itemLessThan(const RosterItem* left, const RosterItem* right) {
const ContactRosterItem* leftContact = dynamic_cast<const ContactRosterItem*>(left);
const ContactRosterItem* rightContact = dynamic_cast<const ContactRosterItem*>(right);
if (leftContact) {
if (rightContact) {
return false;
}
StatusShow::Type leftType = leftContact->getSimplifiedStatusShow();
StatusShow::Type rightType = rightContact->getSimplifiedStatusShow();
if (leftType == rightType) {
return left->getSortableDisplayName() < right->getSortableDisplayName();
} else {
return leftType < rightType;
}
} else {
if (rightContact) {
return true;
}
return left->getSortableDisplayName() < right->getSortableDisplayName();
}
}
void GroupRosterItem::setDisplayed(RosterItem* item, bool displayed) {
bool found = false;
for (size_t i = 0; i < displayedChildren_.size(); i++) {
if (displayedChildren_[i] == item) {
found = true;
}
}
if (found == displayed) {
return;
}
if (displayed) {
displayedChildren_.push_back(item);
sortDisplayed();
} else {
displayedChildren_.erase(std::remove(displayedChildren_.begin(), displayedChildren_.end(), item), displayedChildren_.end());
}
onDataChanged();
onChildrenChanged();
}
void GroupRosterItem::handleChildrenChanged(GroupRosterItem* group) {
size_t oldSize = getDisplayedChildren().size();
if (group->getDisplayedChildren().size() > 0) {
bool found = false;
for (size_t i = 0; i < displayedChildren_.size(); i++) {
if (displayedChildren_[i] == group) {
found = true;
}
}
if (!found) {
displayedChildren_.push_back(group);
sortDisplayed();
}
} else {
displayedChildren_.erase(std::remove(displayedChildren_.begin(), displayedChildren_.end(), group), displayedChildren_.end());
}
if (oldSize != getDisplayedChildren().size()) {
onDataChanged();
onChildrenChanged();
}
}
}
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Swift