diff options
Diffstat (limited to 'Swiften/Avatars/CombinedAvatarProvider.cpp')
-rw-r--r-- | Swiften/Avatars/CombinedAvatarProvider.cpp | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/Swiften/Avatars/CombinedAvatarProvider.cpp b/Swiften/Avatars/CombinedAvatarProvider.cpp new file mode 100644 index 0000000..0e4a704 --- /dev/null +++ b/Swiften/Avatars/CombinedAvatarProvider.cpp @@ -0,0 +1,57 @@ +/* + * 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(reinterpret_cast<int>(this), 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(reinterpret_cast<int>(this)); + } + 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); + } +} + +} |