14 files changed, 177 insertions, 91 deletions
diff --git a/Swift/QtUI/ChatList/ChatListModel.cpp b/Swift/QtUI/ChatList/ChatListModel.cpp
index 7913c61..d09b0dd 100644
--- a/Swift/QtUI/ChatList/ChatListModel.cpp
+++ b/Swift/QtUI/ChatList/ChatListModel.cpp
@@ -1,36 +1,48 @@
 /*
- * Copyright (c) 2010-2011 Kevin Smith
+ * Copyright (c) 2010-2014 Kevin Smith
  * Licensed under the GNU General Public License v3.
  * See Documentation/Licenses/GPLv3.txt for more information.
  */
 
 #include <Swift/QtUI/ChatList/ChatListModel.h>
 
+#include <QMimeData>
+#include <QUrl>
+
 #include <Swift/QtUI/ChatList/ChatListMUCItem.h>
 #include <Swift/QtUI/ChatList/ChatListRecentItem.h>
 #include <Swift/QtUI/ChatList/ChatListWhiteboardItem.h>
+#include <Swift/QtUI/QtSwiftUtil.h>
 
 namespace Swift {
 
 ChatListModel::ChatListModel() : whiteboards_(NULL) {
 	root_ = new ChatListGroupItem("", NULL, false);
 	mucBookmarks_ = new ChatListGroupItem(tr("Bookmarked Rooms"), root_);
 	recents_ = new ChatListGroupItem(tr("Recent Chats"), root_, false);
 #ifdef SWIFT_EXPERIMENTAL_WB
 	whiteboards_ = new ChatListGroupItem(tr("Opened Whiteboards"), root_, false);
 	root_->addItem(whiteboards_);
 #endif
 
 	root_->addItem(recents_);
 	root_->addItem(mucBookmarks_);
 }
 
+Qt::ItemFlags ChatListModel::flags(const QModelIndex& index) const {
+	Qt::ItemFlags flags = QAbstractItemModel::flags(index);
+	if (dynamic_cast<ChatListRecentItem*>(getItemForIndex(index))) {
+		flags |= Qt::ItemIsDragEnabled;
+	}
+	return flags;
+}
+
 void ChatListModel::clearBookmarks() {
 	emit layoutAboutToBeChanged();
 	mucBookmarks_->clear();
 	emit layoutChanged();
 }
 
 void ChatListModel::addMUCBookmark(const Swift::MUCBookmark& bookmark) {
 	emit layoutAboutToBeChanged();
 	mucBookmarks_->addItem(new ChatListMUCItem(bookmark, mucBookmarks_));
@@ -74,18 +86,46 @@ void ChatListModel::setRecents(const std::list<ChatListWindow::Chat>& recents) {
 	emit layoutAboutToBeChanged();
 	recents_->clear();
 	foreach (const ChatListWindow::Chat chat, recents) {
 		recents_->addItem(new ChatListRecentItem(chat, recents_));
 //whiteboards_->addItem(new ChatListRecentItem(chat, whiteboards_));
 	}
 	emit layoutChanged();
 }
 
+QMimeData* ChatListModel::mimeData(const QModelIndexList& indexes) const {
+	QMimeData* data = QAbstractItemModel::mimeData(indexes);
+	ChatListRecentItem *item = dynamic_cast<ChatListRecentItem*>(getItemForIndex(indexes.first()));
+	if (item == NULL) {
+		return data;
+	}
+
+	QByteArray itemData;
+	QDataStream dataStream(&itemData, QIODevice::WriteOnly);
+	const ChatListWindow::Chat& chat = item->getChat();
+
+	QString mimeType = "application/vnd.swift.contact-jid-list";
+	if (!chat.impromptuJIDs.size()) {
+		if (chat.isMUC) {
+			mimeType = "application/vnd.swift.contact-jid-muc";
+		}
+		dataStream << P2QSTRING(chat.jid.toString());
+	} else {
+		typedef std::map<std::string, JID> JIDMap;
+		foreach (const JIDMap::value_type& jid, chat.impromptuJIDs) {
+			dataStream << P2QSTRING(jid.second.toString());
+		}
+	}
+
+	data->setData(mimeType, itemData);
+	return data;
+}
+
 int ChatListModel::columnCount(const QModelIndex& /*parent*/) const {
 	return 1;
 }
 
 ChatListItem* ChatListModel::getItemForIndex(const QModelIndex& index) const {
 	return index.isValid() ? static_cast<ChatListItem*>(index.internalPointer()) : NULL;
 }
 
 QVariant ChatListModel::data(const QModelIndex& index, int role) const {
diff --git a/Swift/QtUI/ChatList/ChatListModel.h b/Swift/QtUI/ChatList/ChatListModel.h
index 04e369a..a15cbcd 100644
--- a/Swift/QtUI/ChatList/ChatListModel.h
+++ b/Swift/QtUI/ChatList/ChatListModel.h
@@ -1,11 +1,11 @@
 /*
- * Copyright (c) 2010-2011 Kevin Smith
+ * Copyright (c) 2010-2014 Kevin Smith
  * Licensed under the GNU General Public License v3.
  * See Documentation/Licenses/GPLv3.txt for more information.
  */
 
 #pragma once
 
 #include <QAbstractItemModel>
 #include <QList>
 
@@ -13,29 +13,31 @@
 #include <Swift/Controllers/UIInterfaces/ChatListWindow.h>
 
 #include <Swift/QtUI/ChatList/ChatListGroupItem.h>
 
 namespace Swift {
 	class ChatListModel : public QAbstractItemModel {
 		Q_OBJECT
 		public:
 			ChatListModel();
+			Qt::ItemFlags flags(const QModelIndex& index) const;
 			void addMUCBookmark(const MUCBookmark& bookmark);
 			void removeMUCBookmark(const MUCBookmark& bookmark);
 			void addWhiteboardSession(const ChatListWindow::Chat& chat);
 			void removeWhiteboardSession(const JID& jid);
 			int columnCount(const QModelIndex& parent = QModelIndex()) const;
 			QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const;
 			QModelIndex index(int row, int column, const QModelIndex & parent = QModelIndex()) const;
 			QModelIndex parent(const QModelIndex& index) const;
 			int rowCount(const QModelIndex& parent = QModelIndex()) const;
 			ChatListItem* getItemForIndex(const QModelIndex& index) const;
 			void clearBookmarks();
 			void setRecents(const std::list<ChatListWindow::Chat>& recents);
+			QMimeData* mimeData(const QModelIndexList& indexes) const;
 		private:
 			ChatListGroupItem* mucBookmarks_;
 			ChatListGroupItem* recents_;
 			ChatListGroupItem* whiteboards_;
 			ChatListGroupItem* root_;
 	};
 
 }
diff --git a/Swift/QtUI/ChatList/QtChatListWindow.cpp b/Swift/QtUI/ChatList/QtChatListWindow.cpp
index 4d1f19b..7455fb5 100644
--- a/Swift/QtUI/ChatList/QtChatListWindow.cpp
+++ b/Swift/QtUI/ChatList/QtChatListWindow.cpp
@@ -1,54 +1,56 @@
 /*
- * Copyright (c) 2010-2011 Kevin Smith
+ * Copyright (c) 2010-2014 Kevin Smith
  * Licensed under the GNU General Public License v3.
  * See Documentation/Licenses/GPLv3.txt for more information.
  */
 
 #include "Swift/QtUI/ChatList/QtChatListWindow.h"
 
 #include <boost/bind.hpp>
 
-#include <QMenu>
 #include <QContextMenuEvent>
+#include <QMenu>
+#include <QMimeData>
+#include <QUrl>
 
+#include <Swift/Controllers/Settings/SettingsProvider.h>
+#include <Swift/Controllers/UIEvents/AddMUCBookmarkUIEvent.h>
+#include <Swift/Controllers/UIEvents/EditMUCBookmarkUIEvent.h>
+#include <Swift/Controllers/UIEvents/JoinMUCUIEvent.h>
+#include <Swift/Controllers/UIEvents/RemoveMUCBookmarkUIEvent.h>
+#include <Swift/Controllers/UIEvents/RequestChatUIEvent.h>
+#include <Swift/Controllers/UIEvents/ShowWhiteboardUIEvent.h>
 #include <Swift/QtUI/ChatList/ChatListMUCItem.h>
 #include <Swift/QtUI/ChatList/ChatListRecentItem.h>
 #include <Swift/QtUI/ChatList/ChatListWhiteboardItem.h>
 #include <Swift/QtUI/QtAddBookmarkWindow.h>
 #include <Swift/QtUI/QtEditBookmarkWindow.h>
 #include <Swift/QtUI/QtUISettingConstants.h>
-#include <Swift/Controllers/UIEvents/JoinMUCUIEvent.h>
-#include <Swift/Controllers/UIEvents/RequestChatUIEvent.h>
-#include <Swift/Controllers/UIEvents/AddMUCBookmarkUIEvent.h>
-#include <Swift/Controllers/UIEvents/RemoveMUCBookmarkUIEvent.h>
-#include <Swift/Controllers/UIEvents/EditMUCBookmarkUIEvent.h>
-#include <Swift/Controllers/UIEvents/ShowWhiteboardUIEvent.h>
-#include <Swift/Controllers/Settings/SettingsProvider.h>
-
 
 namespace Swift {
 
 QtChatListWindow::QtChatListWindow(UIEventStream *uiEventStream, SettingsProvider* settings, QWidget* parent) : QTreeView(parent) {
 	eventStream_ = uiEventStream;
 	settings_ = settings;
 	bookmarksEnabled_ = false;
 	model_ = new ChatListModel();
 	setModel(model_);
 	delegate_ = new ChatListDelegate(settings_->getSetting(QtUISettingConstants::COMPACT_ROSTER));
 	setItemDelegate(delegate_);
 	setHeaderHidden(true);
 #ifdef SWIFT_PLATFORM_MACOSX
 	setAlternatingRowColors(true);
 #endif
 	expandAll();
 	setAnimated(true);
 	setIndentation(0);
+	setDragEnabled(true);
 	setRootIsDecorated(true);
 	setupContextMenus();
 	connect(this, SIGNAL(activated(const QModelIndex&)), this, SLOT(handleItemActivated(const QModelIndex&)));
 	connect(this, SIGNAL(clicked(const QModelIndex&)), this, SLOT(handleClicked(const QModelIndex&)));
 
 	settings_->onSettingChanged.connect(boost::bind(&QtChatListWindow::handleSettingChanged, this, _1));
 }
 
 QtChatListWindow::~QtChatListWindow() {
@@ -146,18 +148,23 @@ void QtChatListWindow::handleAddBookmark() {
 
 
 void QtChatListWindow::handleEditBookmark() {
 	ChatListMUCItem* mucItem = dynamic_cast<ChatListMUCItem*>(contextMenuItem_);
 	if (!mucItem) return;
 	QtEditBookmarkWindow* window = new QtEditBookmarkWindow(eventStream_, mucItem->getBookmark());
 	window->show();
 }
 
+void QtChatListWindow::dragEnterEvent(QDragEnterEvent *event) {
+	if (event->mimeData()->hasUrls() && event->mimeData()->urls().size() == 1) {
+		event->acceptProposedAction();
+	}
+}
 
 void QtChatListWindow::contextMenuEvent(QContextMenuEvent* event) {
 	QModelIndex index = indexAt(event->pos());
 	ChatListItem* baseItem = index.isValid() ? static_cast<ChatListItem*>(index.internalPointer()) : NULL;
 	contextMenuItem_ = baseItem;
 	if (!baseItem) {
 		emptyMenu_->exec(QCursor::pos());
 		return;
 	}
diff --git a/Swift/QtUI/ChatList/QtChatListWindow.h b/Swift/QtUI/ChatList/QtChatListWindow.h
index ef4ce0f..e218266 100644
--- a/Swift/QtUI/ChatList/QtChatListWindow.h
+++ b/Swift/QtUI/ChatList/QtChatListWindow.h
@@ -1,11 +1,11 @@
 /*
- * Copyright (c) 2010-2011 Kevin Smith
+ * Copyright (c) 2010-2014 Kevin Smith
  * Licensed under the GNU General Public License v3.
  * See Documentation/Licenses/GPLv3.txt for more information.
  */
 
 #pragma once
 
 #include <QTreeView>
 
 #include "Swift/Controllers/UIInterfaces/ChatListWindow.h"
@@ -34,18 +34,19 @@ namespace Swift {
 		private slots:
 			void handleItemActivated(const QModelIndex&);
 			void handleAddBookmark();
 			void handleEditBookmark();
 			void handleRemoveBookmark();
 			void handleClicked(const QModelIndex& index);
 			void handleSettingChanged(const std::string& setting);
 
 		protected:
+			void dragEnterEvent(QDragEnterEvent* event);
 			void contextMenuEvent(QContextMenuEvent* event);
 
 		private:
 			void setupContextMenus();
 			bool bookmarksEnabled_;
 			UIEventStream* eventStream_;
 			ChatListModel* model_;
 			ChatListDelegate* delegate_;
 			QMenu* mucMenu_;
diff --git a/Swift/QtUI/QtChatWindow.cpp b/Swift/QtUI/QtChatWindow.cpp
index bd7c817..d3cce6d 100644
--- a/Swift/QtUI/QtChatWindow.cpp
+++ b/Swift/QtUI/QtChatWindow.cpp
@@ -1,11 +1,11 @@
 /*
- * Copyright (c) 2010-2013 Kevin Smith
+ * Copyright (c) 2010-2014 Kevin Smith
  * Licensed under the GNU General Public License v3.
  * See Documentation/Licenses/GPLv3.txt for more information.
  */
 
 #include <Swift/QtUI/QtChatWindow.h>
 
 #include <boost/cstdint.hpp>
 #include <boost/lexical_cast.hpp>
 #include <boost/smart_ptr/make_shared.hpp>
@@ -25,18 +25,19 @@
 #include <QMimeData>
 #include <QPushButton>
 #include <QSplitter>
 #include <QString>
 #include <QTextDocument>
 #include <QTextEdit>
 #include <QTime>
 #include <QToolButton>
 #include <QUrl>
+#include <QMimeData>
 
 #include <Swiften/Base/Log.h>
 
 #include <Swift/Controllers/Roster/ContactRosterItem.h>
 #include <Swift/Controllers/Roster/Roster.h>
 #include <Swift/Controllers/Roster/RosterItem.h>
 #include <Swift/Controllers/Settings/SettingsProvider.h>
 #include <Swift/Controllers/UIEvents/UIEventStream.h>
 #include <Swift/Controllers/UIEvents/SendFileUIEvent.h>
@@ -534,45 +535,48 @@ void QtChatWindow::moveEvent(QMoveEvent*) {
 	emit geometryChanged();
 }
 
 void QtChatWindow::dragEnterEvent(QDragEnterEvent *event) {
 	if (event->mimeData()->hasUrls() && event->mimeData()->urls().size() == 1) {
 		// TODO: check whether contact actually supports file transfer
 		if (!isMUC_) {
 			event->acceptProposedAction();
 		}
-	} else if (event->mimeData()->hasFormat("application/vnd.swift.contact-jid")) {
+	} else if (event->mimeData()->hasFormat("application/vnd.swift.contact-jid-list")) {
 		if (isMUC_ || supportsImpromptuChat_) {
 			event->acceptProposedAction();
 		}
 	}
 }
 
 void QtChatWindow::dropEvent(QDropEvent *event) {
 	if (event->mimeData()->hasUrls()) {
 		if (event->mimeData()->urls().size() == 1) {
 			onSendFileRequest(Q2PSTRING(event->mimeData()->urls().at(0).toLocalFile()));
 		} else {
 			std::string messageText(Q2PSTRING(tr("Sending of multiple files at once isn't supported at this time.")));
 			ChatMessage message;
 			message.append(boost::make_shared<ChatTextMessagePart>(messageText));
 			addSystemMessage(message, DefaultDirection);
 		}
-	} else if (event->mimeData()->hasFormat("application/vnd.swift.contact-jid")) {
-		QByteArray dataBytes = event->mimeData()->data("application/vnd.swift.contact-jid");
+	} else if (event->mimeData()->hasFormat("application/vnd.swift.contact-jid-list")) {
+		QByteArray dataBytes = event->mimeData()->data("application/vnd.swift.contact-jid-list");
 		QDataStream dataStream(&dataBytes, QIODevice::ReadOnly);
-		QString jidString;
-		dataStream >> jidString;
-		onInviteToChat(std::vector<JID>(1, JID(Q2PSTRING(jidString))));
+		std::vector<JID> invites;
+		while (!dataStream.atEnd()) {
+			QString jidString;
+			dataStream >> jidString;
+			invites.push_back(Q2PSTRING(jidString));
+		}
+		onInviteToChat(invites);
 	}
 }
 
-
 void QtChatWindow::setAvailableOccupantActions(const std::vector<OccupantAction>& actions) {
 	treeWidget_->setAvailableOccupantActions(actions);
 }
 
 void QtChatWindow::setSubject(const std::string& subject) {
 	//subject_->setVisible(!subject.empty());
 	subject_->setText(P2QSTRING(subject));
 	subject_->setToolTip(P2QSTRING(subject));
 	subject_->setCursorPosition(0);
diff --git a/Swift/QtUI/Roster/RosterModel.cpp b/Swift/QtUI/Roster/RosterModel.cpp
index 2bd0d09..d8108ba 100644
--- a/Swift/QtUI/Roster/RosterModel.cpp
+++ b/Swift/QtUI/Roster/RosterModel.cpp
@@ -1,11 +1,11 @@
 /*
- * Copyright (c) 2010-2013 Kevin Smith
+ * Copyright (c) 2010-2014 Kevin Smith
  * Licensed under the GNU General Public License v3.
  * See Documentation/Licenses/GPLv3.txt for more information.
  */
 
 #include <Swift/QtUI/Roster/RosterModel.h>
 
 #include <boost/bind.hpp>
 
 #include <QColor>
@@ -257,23 +257,18 @@ int RosterModel::rowCount(const QModelIndex& parent) const {
 
 QMimeData* RosterModel::mimeData(const QModelIndexList& indexes) const {
 	QMimeData* data = QAbstractItemModel::mimeData(indexes);
 
 	ContactRosterItem *item = dynamic_cast<ContactRosterItem*>(getItem(indexes.first()));
 	if (item == NULL) {
 		return data;
 	}
 
+	/* only a single JID in this list */
 	QByteArray itemData;
 	QDataStream dataStream(&itemData, QIODevice::WriteOnly);
-
-	// jid, chatName, activity, statusType, avatarPath
 	dataStream << P2QSTRING(item->getJID().toString());
-	dataStream << P2QSTRING(item->getDisplayName());
-	dataStream << P2QSTRING(item->getStatusText());
-	dataStream << item->getSimplifiedStatusShow();
-	dataStream << P2QSTRING(item->getAvatarPath().string());
-	data->setData("application/vnd.swift.contact-jid", itemData);
+	data->setData("application/vnd.swift.contact-jid-list", itemData);
 	return data;
 }
 
 }
diff --git a/Swift/QtUI/UserSearch/ContactListModel.cpp b/Swift/QtUI/UserSearch/ContactListModel.cpp
index 4c4a3ea..907142f 100644
--- a/Swift/QtUI/UserSearch/ContactListModel.cpp
+++ b/Swift/QtUI/UserSearch/ContactListModel.cpp
@@ -1,15 +1,21 @@
 /*
  * Copyright (c) 2013 Tobias Markmann
  * Licensed under the simplified BSD license.
  * See Documentation/Licenses/BSD-simplified.txt for more information.
  */
 
+/*
+ * Copyright (c) 2014 Kevin Smith and Remko Tronçon
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
 #include <Swift/QtUI/UserSearch/ContactListModel.h>
 
 #include <QMimeData>
 
 #include <Swiften/Base/Path.h>
 #include <Swiften/Base/foreach.h>
 #include <Swiften/Elements/StatusShow.h>
 
 #include <Swift/QtUI/QtSwiftUtil.h>
@@ -76,55 +82,18 @@ QVariant ContactListModel::data(const QModelIndex& index, int role) const {
 		if (role == Qt::EditRole) {
 			return P2QSTRING(contact.jid.toString());
 		}
 		return dataForContact(contact, role);
 	} else {
 		return QVariant();
 	}
 }
 
-bool ContactListModel::dropMimeData(const QMimeData* data, Qt::DropAction /*action*/, int /*row*/, int /*column*/, const QModelIndex& /*parent*/) {
-	if (!data->hasFormat("application/vnd.swift.contact-jid")) {
-		return false;
-	}
-
-	QByteArray dataBytes = data->data("application/vnd.swift.contact-jid");
-	QDataStream dataStream(&dataBytes, QIODevice::ReadOnly);
-	QString jidString;
-	QString displayName;
-	QString statusText;
-	StatusShow::Type statusType;
-	QString avatarPath;
-
-	dataStream >> jidString;
-	dataStream >> displayName;
-	dataStream >> statusText;
-	dataStream >> statusType;
-	dataStream >> avatarPath;
-
-	JID jid = JID(Q2PSTRING(jidString));
-
-	foreach(const Contact& contact, contacts_) {
-		if (contact.jid == jid) {
-			return false;
-		}
-	}
-
-	emit layoutAboutToBeChanged();
-	contacts_.push_back(Contact(Q2PSTRING(displayName), jid, statusType, Q2PSTRING(avatarPath)));
-	emit layoutChanged();
-
-	onJIDsDropped(std::vector<JID>(1, jid));
-	onListChanged(getList());
-
-	return true;
-}
-
 QModelIndex ContactListModel::index(int row, int column, const QModelIndex& parent) const {
 	if (!hasIndex(row, column, parent)) {
 		return QModelIndex();
 	}
 
 	return boost::numeric_cast<size_t>(row) < contacts_.size() ? createIndex(row, column, (void*)&(contacts_[row])) : QModelIndex();
 }
 
 QModelIndex ContactListModel::parent(const QModelIndex& index) const {
diff --git a/Swift/QtUI/UserSearch/ContactListModel.h b/Swift/QtUI/UserSearch/ContactListModel.h
index e7f4a0b..6ca505e 100644
--- a/Swift/QtUI/UserSearch/ContactListModel.h
+++ b/Swift/QtUI/UserSearch/ContactListModel.h
@@ -1,15 +1,21 @@
 /*
  * Copyright (c) 2013 Tobias Markmann
  * Licensed under the simplified BSD license.
  * See Documentation/Licenses/BSD-simplified.txt for more information.
  */
 
+/*
+ * Copyright (c) 2014 Kevin Smith and Remko Tronçon
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
 #pragma once
 
 #include <vector>
 #include <boost/bind.hpp>
 #include <Swiften/Base/boost_bsignals.h>
 
 #include <QAbstractItemModel>
 
 #include <Swift/Controllers/Contact.h>
@@ -30,19 +36,18 @@ namespace Swift {
 		public:
 			ContactListModel(bool editable);
 
 			void setList(const std::vector<Contact>& list);
 			const std::vector<Contact>& getList() const;
 
 			Qt::ItemFlags flags(const QModelIndex& index) const;
 			int columnCount(const QModelIndex& parent = QModelIndex()) const;
 			QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const;
-			bool dropMimeData(const QMimeData* data, Qt::DropAction action, int row, int column, const QModelIndex& parent);
 			QModelIndex index(int row, int column, const QModelIndex & parent = QModelIndex()) const;
 			QModelIndex parent(const QModelIndex& index) const;
 			int rowCount(const QModelIndex& parent = QModelIndex()) const;
 			bool removeRows(int row, int count, const QModelIndex& parent = QModelIndex());
 
 		private:
 			QVariant dataForContact(const Contact& contact, int role) const;
 			QIcon getPresenceIconForContact(const Contact& contact) const;
 
diff --git a/Swift/QtUI/UserSearch/QtContactListWidget.cpp b/Swift/QtUI/UserSearch/QtContactListWidget.cpp
index 90adc11..6ad1169 100644
--- a/Swift/QtUI/UserSearch/QtContactListWidget.cpp
+++ b/Swift/QtUI/UserSearch/QtContactListWidget.cpp
@@ -1,40 +1,42 @@
 /*
  * Copyright (c) 2013 Tobias Markmann
  * Licensed under the simplified BSD license.
  * See Documentation/Licenses/BSD-simplified.txt for more information.
  */
 
+/*
+ * Copyright (c) 2014 Kevin Smith and Remko Tronçon
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
 #include <Swift/QtUI/UserSearch/QtContactListWidget.h>
 
 #include <Swift/QtUI/UserSearch/ContactListModel.h>
 #include <Swift/QtUI/UserSearch/ContactListDelegate.h>
 #include <Swift/QtUI/QtUISettingConstants.h>
 #include <Swift/Controllers/Settings/SettingsProvider.h>
 #include <Swift/QtUI/QtVCardWidget/QtRemovableItemDelegate.h>
 
 #include <QHeaderView>
 
 namespace Swift {
 
 QtContactListWidget::QtContactListWidget(QWidget* parent, SettingsProvider* settings) : QTreeView(parent), settings_(settings), limited_(false) {
 	contactListModel_ = new ContactListModel(true);
 	setModel(contactListModel_);
 
-	connect(contactListModel_, SIGNAL(onListChanged(std::vector<Contact>)), this, SLOT(handleListChanged(std::vector<Contact>)));
 	connect(contactListModel_, SIGNAL(onListChanged(std::vector<Contact>)), this, SIGNAL(onListChanged(std::vector<Contact>)));
 	connect(contactListModel_, SIGNAL(onJIDsDropped(std::vector<JID>)), this, SIGNAL(onJIDsAdded(std::vector<JID>)));
 
 	setSelectionMode(QAbstractItemView::SingleSelection);
 	setSelectionBehavior(QAbstractItemView::SelectRows);
-	setDragEnabled(true);
-	setAcceptDrops(true);
-	setDropIndicatorShown(true);
 	setUniformRowHeights(true);
 
 	setAlternatingRowColors(true);
 	setIndentation(0);
 	setHeaderHidden(true);
 	setExpandsOnDoubleClick(false);
 	setItemsExpandable(false);
 	setEditTriggers(QAbstractItemView::DoubleClicked);
 
@@ -63,42 +65,29 @@ void QtContactListWidget::setList(const std::vector<Contact>& list) {
 	contactListModel_->setList(list);
 }
 
 std::vector<Contact> QtContactListWidget::getList() const {
 	return contactListModel_->getList();
 }
 
 void QtContactListWidget::setMaximumNoOfContactsToOne(bool limited) {
 	limited_ = limited;
-	if (limited) {
-		handleListChanged(getList());
-	} else {
-		setAcceptDrops(true);
-		setDropIndicatorShown(true);
-	}
 }
 
 void QtContactListWidget::updateContacts(const std::vector<Contact>& contactUpdates) {
 	std::vector<Contact> contacts = contactListModel_->getList();
 	foreach(const Contact& contactUpdate, contactUpdates) {
 		for(size_t n = 0; n < contacts.size(); n++) {
 			if (contactUpdate.jid == contacts[n].jid) {
 				contacts[n] = contactUpdate;
 				break;
 			}
 		}
 	}
 	contactListModel_->setList(contacts);
 }
 
-void QtContactListWidget::handleListChanged(std::vector<Contact> list) {
-	if (limited_) {
-		setAcceptDrops(list.size() <= 1);
-		setDropIndicatorShown(list.size() <= 1);
-	}
-}
-
 void QtContactListWidget::handleSettingsChanged(const std::string&) {
 	contactListDelegate_->setCompact(settings_->getSetting(QtUISettingConstants::COMPACT_ROSTER));
 }
 
 }
diff --git a/Swift/QtUI/UserSearch/QtContactListWidget.h b/Swift/QtUI/UserSearch/QtContactListWidget.h
index f360a91..a83b47a 100644
--- a/Swift/QtUI/UserSearch/QtContactListWidget.h
+++ b/Swift/QtUI/UserSearch/QtContactListWidget.h
@@ -1,15 +1,21 @@
 /*
  * Copyright (c) 2013 Tobias Markmann
  * Licensed under the simplified BSD license.
  * See Documentation/Licenses/BSD-simplified.txt for more information.
  */
 
+/*
+ * Copyright (c) 2014 Kevin Smith and Remko Tronçon
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
 #pragma once
 
 #include <vector>
 
 #include <QTreeView>
 
 #include <Swift/Controllers/Contact.h>
 #include <Swiften/Base/Log.h>
 
@@ -35,21 +41,18 @@ public:
 	void setMaximumNoOfContactsToOne(bool limited);
 
 public slots:
 	void updateContacts(const std::vector<Contact>& contactUpdates);
 
 signals:
 	void onListChanged(std::vector<Contact> list);
 	void onJIDsAdded(const std::vector<JID>& jids);
 
-private slots:
-	void handleListChanged(std::vector<Contact> list);
-
 private:
 	void handleSettingsChanged(const std::string&);
 
 private:
 	SettingsProvider* settings_;
 	ContactListModel* contactListModel_;
 	ContactListDelegate* contactListDelegate_;
 	QtRemovableItemDelegate* removableItemDelegate_;
 	bool limited_;
diff --git a/Swift/QtUI/UserSearch/QtUserSearchFirstMultiJIDPage.cpp b/Swift/QtUI/UserSearch/QtUserSearchFirstMultiJIDPage.cpp
index b1e9a12..360ce0a 100644
--- a/Swift/QtUI/UserSearch/QtUserSearchFirstMultiJIDPage.cpp
+++ b/Swift/QtUI/UserSearch/QtUserSearchFirstMultiJIDPage.cpp
@@ -1,20 +1,30 @@
 /*
  * Copyright (c) 2013 Tobias Markmann
  * Licensed under the simplified BSD license.
  * See Documentation/Licenses/BSD-simplified.txt for more information.
  */
 
+/*
+ * Copyright (c) 2014 Kevin Smith and Remko Tronçon
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
 #include "Swift/QtUI/UserSearch/QtUserSearchFirstMultiJIDPage.h"
 
+#include <QMessageBox>
+#include <QMimeData>
+#include <QUrl>
+
 #include "Swift/QtUI/QtSwiftUtil.h"
-#include <Swift/QtUI/UserSearch/QtContactListWidget.h>
 #include <Swift/Controllers/Settings/SettingsProvider.h>
+#include <Swift/QtUI/UserSearch/QtContactListWidget.h>
 #include <Swift/QtUI/UserSearch/QtSuggestingJIDInput.h>
 
 namespace Swift {
 
 QtUserSearchFirstMultiJIDPage::QtUserSearchFirstMultiJIDPage(UserSearchWindow::Type type, const QString& title, SettingsProvider* settings) {
 	setupUi(this);
 	setTitle(title);
 	QString introText = "";
 	switch (type) {
@@ -33,24 +43,52 @@ QtUserSearchFirstMultiJIDPage::QtUserSearchFirstMultiJIDPage(UserSearchWindow::T
 
 	contactList_ = new QtContactListWidget(this, settings);
 	horizontalLayout_5->addWidget(contactList_);
 
 	jid_ = new QtSuggestingJIDInput(this, settings);
 	horizontalLayout_6->insertWidget(0, jid_);
 
 	connect(contactList_, SIGNAL(onListChanged(std::vector<Contact>)), this, SLOT(emitCompletenessCheck()));
 	connect(jid_, SIGNAL(editingDone()), this, SLOT(handleEditingDone()));
+
+	setAcceptDrops(true);
 }
 
 bool QtUserSearchFirstMultiJIDPage::isComplete() const {
 	return !contactList_->getList().empty();
 }
 
 void QtUserSearchFirstMultiJIDPage::emitCompletenessCheck() {
 	emit completeChanged();
 }
 
 void QtUserSearchFirstMultiJIDPage::handleEditingDone() {
 	addContactButton_->setFocus();
 }
 
+void QtUserSearchFirstMultiJIDPage::dragEnterEvent(QDragEnterEvent *event) {
+	if (event->mimeData()->hasFormat("application/vnd.swift.contact-jid-list")
+		|| event->mimeData()->hasFormat("application/vnd.swift.contact-jid-muc")) {
+			event->acceptProposedAction();
+	}
+}
+
+void QtUserSearchFirstMultiJIDPage::dropEvent(QDropEvent *event) {
+	if (event->mimeData()->hasFormat("application/vnd.swift.contact-jid-list")) {
+		QByteArray dataBytes = event->mimeData()->data("application/vnd.swift.contact-jid-list");
+		QDataStream dataStream(&dataBytes, QIODevice::ReadOnly);
+		std::vector<JID> jids;
+		while (!dataStream.atEnd()) {
+			QString jidString;
+			dataStream >> jidString;
+			jids.push_back(Q2PSTRING(jidString));
+		}
+		onJIDsDropped(jids);
+	} else if (event->mimeData()->hasFormat("application/vnd.swift.contact-jid-muc")) {
+		QMessageBox* messageBox = new QMessageBox(this);
+		messageBox->setText(tr("You can't invite a room to chat."));
+		messageBox->setWindowTitle(tr("Error inviting room to chat"));
+		messageBox->show();
+	}
+}
+
 }
diff --git a/Swift/QtUI/UserSearch/QtUserSearchFirstMultiJIDPage.h b/Swift/QtUI/UserSearch/QtUserSearchFirstMultiJIDPage.h
index 427995e..9905f21 100644
--- a/Swift/QtUI/UserSearch/QtUserSearchFirstMultiJIDPage.h
+++ b/Swift/QtUI/UserSearch/QtUserSearchFirstMultiJIDPage.h
@@ -1,15 +1,21 @@
 /*
  * Copyright (c) 2013 Tobias Markmann
  * Licensed under the simplified BSD license.
  * See Documentation/Licenses/BSD-simplified.txt for more information.
  */
 
+/*
+ * Copyright (c) 2014 Kevin Smith and Remko Tronçon
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
 #pragma once
 
 #include <QWizardPage>
 
 #include <Swift/QtUI/UserSearch/ui_QtUserSearchFirstMultiJIDPage.h>
 #include <Swift/Controllers/UIInterfaces/UserSearchWindow.h>
 
 namespace Swift {
 	class UserSearchModel;
@@ -23,18 +29,23 @@ namespace Swift {
 	class SettingsProvider;
 	class QtSuggestingJIDInput;
 
 	class QtUserSearchFirstMultiJIDPage : public QWizardPage, public Ui::QtUserSearchFirstMultiJIDPage {
 		Q_OBJECT
 		public:
 			QtUserSearchFirstMultiJIDPage(UserSearchWindow::Type type, const QString& title, SettingsProvider* settings);
 			virtual bool isComplete() const;
 
+		signals:
+			void onJIDsDropped(std::vector<JID> jid);
+
 		public slots:
 			void emitCompletenessCheck();
 			void handleEditingDone();
+			virtual void dragEnterEvent(QDragEnterEvent *event);
+			virtual void dropEvent(QDropEvent *event);
 
 		public:
 			QtContactListWidget* contactList_;
 			QtSuggestingJIDInput* jid_;
 	};
 }
diff --git a/Swift/QtUI/UserSearch/QtUserSearchWindow.cpp b/Swift/QtUI/UserSearch/QtUserSearchWindow.cpp
index c0c7972..ec5dd39 100644
--- a/Swift/QtUI/UserSearch/QtUserSearchWindow.cpp
+++ b/Swift/QtUI/UserSearch/QtUserSearchWindow.cpp
@@ -1,11 +1,11 @@
 /*
- * Copyright (c) 2010-2013 Kevin Smith
+ * Copyright (c) 2010-2014 Kevin Smith
  * Licensed under the GNU General Public License v3.
  * See Documentation/Licenses/GPLv3.txt for more information.
  */
 
 #include "Swift/QtUI/UserSearch/QtUserSearchWindow.h"
 
 #include <QItemDelegate>
 #include <QModelIndex>
 #include <QWizardPage>
@@ -371,32 +371,52 @@ void QtUserSearchWindow::setCanStartImpromptuChats(bool supportsImpromptu) {
 	}
 }
 
 void QtUserSearchWindow::updateContacts(const std::vector<Contact>& contacts) {
 	if (type_ != AddContact) {
 		firstMultiJIDPage_->contactList_->updateContacts(contacts);
 	}
 }
 
+void QtUserSearchWindow::addContacts(const std::vector<Contact>& contacts) {
+	if (type_ != AddContact) {
+		/* prevent duplicate JIDs from appearing in the contact list */
+		foreach (const Contact& newContact, contacts) {
+			bool found = false;
+			foreach (const Contact& oldContact, contactVector_) {
+				if (newContact.jid == oldContact.jid) {
+					found = true;
+					break;
+				}
+			}
+			if (!found) {
+				contactVector_.push_back(newContact);
+			}
+		}
+		firstMultiJIDPage_->contactList_->setList(contactVector_);
+		firstMultiJIDPage_->emitCompletenessCheck();
+	}
+}
+
 void QtUserSearchWindow::handleAddViaSearch() {
 	searchNext_ = true;
 	next();
 }
 
 void QtUserSearchWindow::handleListChanged(std::vector<Contact> list) {
 	contactVector_ = list;
 	if (type_ == ChatToContact) {
 		firstMultiJIDPage_->groupBox->setEnabled(supportsImpromptu_ ? 1 : (contactVector_.size() < 1));
 	}
 }
 
 void QtUserSearchWindow::handleJIDsAdded(std::vector<JID> jids) {
-	onJIDUpdateRequested(jids);
+	onJIDAddRequested(jids);
 }
 
 void QtUserSearchWindow::setResults(const std::vector<UserSearchResult>& results) {
 	UserSearchModel *newModel = new UserSearchModel();
 	newModel->setResults(results);
 	resultsPage_->results_->setModel(newModel);
 	resultsPage_->results_->setItemDelegate(delegate_);
 	resultsPage_->results_->setHeaderHidden(true);
 	delete model_;
@@ -443,18 +463,19 @@ void QtUserSearchWindow::setFirstPage(QString title) {
 		setPage(1, firstPage_);
 	} else {
 		firstMultiJIDPage_ = new QtUserSearchFirstMultiJIDPage(type_, title.isEmpty() ? firstMultiJIDPage_->title() : title, settings_);
 		connect(firstMultiJIDPage_->addContactButton_, SIGNAL(clicked()), this, SLOT(addContact()));
 		connect(firstMultiJIDPage_->jid_, SIGNAL(textEdited(QString)), this, SLOT(handleContactSuggestionRequested(QString)));
 		firstMultiJIDPage_->jid_->onUserSelected.connect(boost::bind(&QtUserSearchWindow::addSearchedJIDToList, this, _1));
 		connect(firstMultiJIDPage_->addViaSearchButton_, SIGNAL(clicked()), this, SLOT(handleAddViaSearch()));
 		connect(firstMultiJIDPage_->contactList_, SIGNAL(onListChanged(std::vector<Contact>)), this, SLOT(handleListChanged(std::vector<Contact>)));
 		connect(firstMultiJIDPage_->contactList_, SIGNAL(onJIDsAdded(std::vector<JID>)), this, SLOT(handleJIDsAdded(std::vector<JID>)));
+		connect(firstMultiJIDPage_, SIGNAL(onJIDsDropped(std::vector<JID>)), this, SLOT(handleJIDsAdded(std::vector<JID>)));
 		setPage(1, firstMultiJIDPage_);
 	}
 }
 
 void QtUserSearchWindow::setSecondPage() {
 	if (page(2) != 0) {
 		removePage(2);
 	}
 	fieldsPage_ = new QtUserSearchFieldsPage();
diff --git a/Swift/QtUI/UserSearch/QtUserSearchWindow.h b/Swift/QtUI/UserSearch/QtUserSearchWindow.h
index e5a9f80..941e455 100644
--- a/Swift/QtUI/UserSearch/QtUserSearchWindow.h
+++ b/Swift/QtUI/UserSearch/QtUserSearchWindow.h
@@ -1,11 +1,11 @@
 /*
- * Copyright (c) 2010 Kevin Smith
+ * Copyright (c) 2010-2014 Kevin Smith
  * Licensed under the GNU General Public License v3.
  * See Documentation/Licenses/GPLv3.txt for more information.
  */
 
 #pragma once
 
 #include <QWizard>
 #include <set>
 
@@ -44,18 +44,19 @@ namespace Swift {
 			virtual void setNameSuggestions(const std::vector<std::string>& suggestions);
 			virtual void prepopulateJIDAndName(const JID& jid, const std::string& name);
 			virtual void setContactSuggestions(const std::vector<Contact>& suggestions);
 			virtual void setJIDs(const std::vector<JID> &jids);
 			virtual void setRoomJID(const JID &roomJID);
 			virtual std::string getReason() const;
 			virtual std::vector<JID> getJIDs() const;
 			virtual void setCanStartImpromptuChats(bool supportsImpromptu);
 			virtual void updateContacts(const std::vector<Contact> &contacts);
+			virtual void addContacts(const std::vector<Contact>& contacts);
 
 		protected:
 			virtual int nextId() const;
 
 		private slots:
 			void handleFirstPageRadioChange();
 			virtual void handleCurrentChanged(int);
 			virtual void handleAccepted();
 			void handleContactSuggestionRequested(const QString& text);