1 files changed, 79 insertions, 0 deletions
diff --git a/Swiften/Disco/EntityCapsManager.cpp b/Swiften/Disco/EntityCapsManager.cpp
new file mode 100644
index 0000000..26e0594
--- /dev/null
+++ b/Swiften/Disco/EntityCapsManager.cpp
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2010 Remko Tronçon
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+#include "Swiften/Disco/EntityCapsManager.h"
+
+#include <boost/bind.hpp>
+
+#include "Swiften/Disco/CapsProvider.h"
+#include "Swiften/Client/StanzaChannel.h"
+
+namespace Swift {
+
+EntityCapsManager::EntityCapsManager(CapsProvider* capsProvider, StanzaChannel* stanzaChannel) : capsProvider(capsProvider) {
+	stanzaChannel->onPresenceReceived.connect(boost::bind(&EntityCapsManager::handlePresenceReceived, this, _1));
+	stanzaChannel->onAvailableChanged.connect(boost::bind(&EntityCapsManager::handleStanzaChannelAvailableChanged, this, _1));
+	capsProvider->onCapsAvailable.connect(boost::bind(&EntityCapsManager::handleCapsAvailable, this, _1));
+}
+
+void EntityCapsManager::handlePresenceReceived(boost::shared_ptr<Presence> presence) {
+	JID from = presence->getFrom();
+	if (presence->isAvailable()) {
+		boost::shared_ptr<CapsInfo> capsInfo = presence->getPayload<CapsInfo>();
+		if (!capsInfo || capsInfo->getHash() != "sha-1" || presence->getPayload<ErrorPayload>()) {
+			return;
+		}
+		String hash = capsInfo->getVersion();
+		std::map<JID, String>::iterator i = caps.find(from);
+		if (i == caps.end() || i->second != hash) {
+			caps.insert(std::make_pair(from, hash));
+			DiscoInfo::ref disco = capsProvider->getCaps(hash);
+			if (disco) {
+				onCapsChanged(from);
+			}
+			else if (i != caps.end()) {
+				caps.erase(i);
+				onCapsChanged(from);
+			}
+		}
+	}
+	else {
+		std::map<JID, String>::iterator i = caps.find(from);
+		if (i != caps.end()) {
+			caps.erase(i);
+			onCapsChanged(from);
+		}
+	}
+}
+
+void EntityCapsManager::handleStanzaChannelAvailableChanged(bool available) {
+	if (available) {
+		std::map<JID, String> capsCopy;
+		capsCopy.swap(caps);
+		for (std::map<JID,String>::const_iterator i = capsCopy.begin(); i != capsCopy.end(); ++i) {
+			onCapsChanged(i->first);
+		}
+	}
+}
+
+void EntityCapsManager::handleCapsAvailable(const String& hash) {
+	// TODO: Use Boost.Bimap ?
+	for (std::map<JID,String>::const_iterator i = caps.begin(); i != caps.end(); ++i) {
+		if (i->second == hash) {
+			onCapsChanged(i->first);
+		}
+	}
+}
+
+DiscoInfo::ref EntityCapsManager::getCaps(const JID& jid) const {
+	std::map<JID, String>::const_iterator i = caps.find(jid);
+	if (i != caps.end()) {
+		return capsProvider->getCaps(i->second);
+	}
+	return DiscoInfo::ref();
+}
+
+}