2 files changed, 6 insertions, 1 deletions
diff --git a/Swift/QtUI/WindowsNotifier.cpp b/Swift/QtUI/WindowsNotifier.cpp
index 1789451..212f0ca 100644
--- a/Swift/QtUI/WindowsNotifier.cpp
+++ b/Swift/QtUI/WindowsNotifier.cpp
@@ -15,36 +15,40 @@
 #include "QtSwiftUtil.h"
 
 namespace Swift {
 
 WindowsNotifier::WindowsNotifier(const std::string& name, const boost::filesystem::path& icon, QSystemTrayIcon* tray) : tray(tray) {
 	notifierWindow = new QtWin32NotifierWindow();
 	snarlNotifier = new SnarlNotifier(name, notifierWindow, icon);
 	connect(tray, SIGNAL(messageClicked()), SLOT(handleMessageClicked()));
 }
 
 WindowsNotifier::~WindowsNotifier() {
 	delete snarlNotifier;
 	delete notifierWindow;
 }
 
 void WindowsNotifier::showMessage(Type type, const std::string& subject, const std::string& description, const boost::filesystem::path& picture, boost::function<void()> callback) {
 	if (snarlNotifier->isAvailable()) {
 		snarlNotifier->showMessage(type, subject, description, picture, callback);
 		return;
 	}
 	std::vector<Notifier::Type> defaultTypes = getDefaultTypes();
 	if (std::find(defaultTypes.begin(), defaultTypes.end(), type) == defaultTypes.end()) {
 		return;
 	}
 	lastCallback = callback;
 	int timeout = (type == IncomingMessage || type == SystemMessage) ? DEFAULT_MESSAGE_NOTIFICATION_TIMEOUT_SECONDS : DEFAULT_STATUS_NOTIFICATION_TIMEOUT_SECONDS;
 	tray->showMessage(P2QSTRING(subject), P2QSTRING(description), type == SystemMessage ? QSystemTrayIcon::Information : QSystemTrayIcon::NoIcon, timeout * 1000);
 }
 
 void WindowsNotifier::handleMessageClicked() {
 	if (lastCallback) {
 		lastCallback();
 	}
 }
 
+void WindowsNotifier::purgeCallbacks() {
+	lastCallback = boost::function<void()>();
+}
+
 }
diff --git a/Swift/QtUI/WindowsNotifier.h b/Swift/QtUI/WindowsNotifier.h
index 062b76f..b2b5577 100644
--- a/Swift/QtUI/WindowsNotifier.h
+++ b/Swift/QtUI/WindowsNotifier.h
@@ -1,36 +1,37 @@
 /*
  * Copyright (c) 2010 Remko Tronçon
  * Licensed under the GNU General Public License v3.
  * See Documentation/Licenses/GPLv3.txt for more information.
  */
 
 #pragma once
 
 #include <map>
 
 #include <QObject>
 #include <SwifTools/Notifier/Notifier.h>
 #include <SwifTools/Notifier/SnarlNotifier.h>
 
 class QSystemTrayIcon;
 
 namespace Swift {
 	class WindowsNotifier : public QObject, public Notifier {
 			Q_OBJECT
 
 		public:
 			WindowsNotifier(const std::string& name, const boost::filesystem::path& icon, QSystemTrayIcon* tray);
 			~WindowsNotifier();
 
 			virtual void showMessage(Type type, const std::string& subject, const std::string& description, const boost::filesystem::path& picture, boost::function<void()> callback);
-		
+			virtual void purgeCallbacks();
+
 		private slots:
 			void handleMessageClicked();
 
 		private:
 			QSystemTrayIcon* tray;
 			Win32NotifierWindow* notifierWindow;
 			SnarlNotifier* snarlNotifier;
 			boost::function<void()> lastCallback;
 	};
 }