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/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include "Swiften/Avatars/CombinedAvatarProvider.h"
#include <algorithm>
#include <boost/bind.hpp>
namespace Swift {
String CombinedAvatarProvider::getAvatarHash(const JID& jid) const {
for (size_t i = 0; i < providers.size(); ++i) {
String hash = providers[i]->getAvatarHash(jid);
if (!hash.isEmpty()) {
return hash;
}
}
return String();
}
void CombinedAvatarProvider::addProvider(AvatarProvider* provider) {
provider->onAvatarChanged.connect(boost::bind(&CombinedAvatarProvider::handleAvatarChanged, this, _1));
providers.push_back(provider);
}
void CombinedAvatarProvider::removeProvider(AvatarProvider* provider) {
std::vector<AvatarProvider*>::iterator i = std::remove(providers.begin(), providers.end(), provider);
for(std::vector<AvatarProvider*>::iterator j = i; j < providers.end(); ++j) {
provider->onAvatarChanged.disconnect(boost::bind(&CombinedAvatarProvider::handleAvatarChanged, this, _1));
}
providers.erase(i, providers.end());
}
void CombinedAvatarProvider::handleAvatarChanged(const JID& jid) {
String hash = getAvatarHash(jid);
std::map<JID, String>::iterator i = avatars.find(jid);
if (i != avatars.end()) {
if (i->second != hash) {
if (hash.isEmpty()) {
avatars.erase(i);
}
else {
avatars.insert(std::make_pair(jid, hash));
}
onAvatarChanged(jid);
}
}
else if (!hash.isEmpty()) {
avatars.insert(std::make_pair(jid, hash));
onAvatarChanged(jid);
}
}
}
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Swift