- Add auto download mode and use 10Mb as default.

- Fix notification thumbnail display on receiving file
- Fix empty name on uploading files
- Fix readonly chat room when someone is leaving
- Remove downloaded file on ephemerals
- Reduce iteration on background

linphone-app/assets/assistant/create-app-sip-account.rc

@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <config xmlns="http://www.linphone.org/xsds/lpconfig.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.linphone.org/xsds/lpconfig.xsd lpconfig.xsd">
+  <section name="app">
+    <entry name="auto_download_incoming_files_max_size" overwrite="true">10000000</entry>
+  </section>
   <section name="proxy_default_values">
     <entry name="avpf" overwrite="true">1</entry>
     <entry name="dial_escape_plus" overwrite="true">0</entry>

linphone-app/assets/assistant/use-app-sip-account.rc

@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <config xmlns="http://www.linphone.org/xsds/lpconfig.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.linphone.org/xsds/lpconfig.xsd lpconfig.xsd">
+  <section name="app">
+    <entry name="auto_download_incoming_files_max_size" overwrite="true">10000000</entry>
+  </section>
   <section name="proxy_default_values">
     <entry name="avpf" overwrite="true">1</entry>
     <entry name="dial_escape_plus" overwrite="true">0</entry>

linphone-app/assets/assistant/use-other-sip-account.rc

@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <config xmlns="http://www.linphone.org/xsds/lpconfig.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.linphone.org/xsds/lpconfig.xsd lpconfig.xsd">
+  <section name="app">
+    <entry name="auto_download_incoming_files_max_size" overwrite="true">10000000</entry>
+  </section>
   <section name="proxy_default_values">
     <entry name="avpf" overwrite="true">0</entry>
     <entry name="dial_escape_plus" overwrite="true">0</entry>

linphone-app/assets/languages/en.ts

@@ -1970,6 +1970,21 @@ Click here: <a href="%1">%1</a>
         <extracomment>&apos;Enable notifications&apos;: settings label for enabling notifications.</extracomment>
         <translation>Enable notifications</translation>
     </message>
+    <message>
+        <source>AutoDownload</source>
+        <extracomment>&apos;Auto download&apos; : Label for a slider about auto download mode</extracomment>
+        <translation>Auto download</translation>
+    </message>
+    <message>
+        <source>autoDownloadNever</source>
+        <extracomment>&apos;Never&apos; : auto download mode description for deactivated feature.</extracomment>
+        <translation>Never</translation>
+    </message>
+    <message>
+        <source>autoDownloadAlways</source>
+        <extracomment>&apos;Always&apos; : auto download mode description for activated feature without any constraints.</extracomment>
+        <translation>Always</translation>
+    </message>
 </context>
 <context>
     <name>SettingsLdap</name>

linphone-app/src/app/App.cpp

@@ -496,6 +496,9 @@ bool App::hasFocus () const {
 }
 void App::stateChanged(Qt::ApplicationState pState) {
 	DesktopTools::applicationStateChanged(pState);
+	auto core = CoreManager::getInstance();
+	if(core)
+		core->stateChanged(pState);
 }
 // -----------------------------------------------------------------------------
 

linphone-app/src/components/chat-events/ChatMessageModel.cpp

@@ -81,8 +81,8 @@ std::shared_ptr<linphone::Buffer> ChatMessageListener::onFileTransferSend(const
 	emit fileTransferSend(message, content, offset, size);
 	return nullptr;
 }
-void ChatMessageListener::onFileTransferProgressIndication (const std::shared_ptr<linphone::ChatMessage> &message, const std::shared_ptr<linphone::Content> & content, size_t offset, size_t i){
-	emit fileTransferProgressIndication(message, content, offset, i);
+void ChatMessageListener::onFileTransferProgressIndication (const std::shared_ptr<linphone::ChatMessage> &message, const std::shared_ptr<linphone::Content> & content, size_t offset, size_t total){
+	emit fileTransferProgressIndication(message, content, offset, total);
 }
 void ChatMessageListener::onMsgStateChanged (const std::shared_ptr<linphone::ChatMessage> &message, linphone::ChatMessage::State state){
 	emit msgStateChanged(message, state);
@@ -298,6 +298,8 @@ void ChatMessageModel::deleteEvent(){
 	if(mChatMessage)
 		mChatMessage->getChatRoom()->deleteMessage(mChatMessage);
 }
+
+
 void ChatMessageModel::updateFileTransferInformation(){
 	mContentListModel->updateContents(this);
 }
@@ -311,20 +313,23 @@ std::shared_ptr<linphone::Buffer> ChatMessageModel::onFileTransferSend (const st
 	return nullptr;
 }
 
-void ChatMessageModel::onFileTransferProgressIndication (const std::shared_ptr<linphone::ChatMessage> &message,const std::shared_ptr<linphone::Content> &content,size_t offset,size_t) {
+void ChatMessageModel::onFileTransferProgressIndication (const std::shared_ptr<linphone::ChatMessage> &message,const std::shared_ptr<linphone::Content> &content,size_t offset,size_t total) {
 	auto contentModel = mContentListModel->getContentModel(content);
-	if(contentModel)		
+	if(contentModel) {
 		contentModel->setFileOffset(offset);
+		if (total == offset && mChatMessage && !mChatMessage->isOutgoing()) {
+			mContentListModel->downloaded();
+			bool allAreDownloaded = true;
+			for(auto content : mContentListModel->getContents())
+				allAreDownloaded &= content->mWasDownloaded;
+			setWasDownloaded(allAreDownloaded);
+			App::getInstance()->getNotifier()->notifyReceivedFileMessage(message, content);
+		}
+	}
 }
 
 void ChatMessageModel::onMsgStateChanged (const std::shared_ptr<linphone::ChatMessage> &message, linphone::ChatMessage::State state) {
 	updateFileTransferInformation();// On message state, file transfert information Content can be changed
-	// File message downloaded.
-	if (mChatMessage && state == linphone::ChatMessage::State::FileTransferDone && !mChatMessage->isOutgoing()) {
-		mContentListModel->downloaded();
-		setWasDownloaded(true);
-		App::getInstance()->getNotifier()->notifyReceivedFileMessage(message);
-	}
 	emit stateChanged();
 }
 void ChatMessageModel::onParticipantImdnStateChanged(const std::shared_ptr<linphone::ChatMessage> & message, const std::shared_ptr<const linphone::ParticipantImdnState> & state){
@@ -335,6 +340,8 @@ void ChatMessageModel::onEphemeralMessageTimerStarted(const std::shared_ptr<linp
 }
 void ChatMessageModel::onEphemeralMessageDeleted(const std::shared_ptr<linphone::ChatMessage> & message) {
 	//emit remove(mSelf.lock());
+	if(!isOutgoing())
+		mContentListModel->removeDownloadedFiles();
 	emit remove(this);
 }
 //-------------------------------------------------------------------------------------------------------

linphone-app/src/components/chat-room/ChatRoomModel.cpp

@@ -470,8 +470,8 @@ int ChatRoomModel::getState() const {
 	return mChatRoom ? (int)mChatRoom->getState() : 0;	
 }
 
-bool ChatRoomModel::hasBeenLeft() const{
-	return mChatRoom && mChatRoom->hasBeenLeft();	
+bool ChatRoomModel::isReadOnly() const{
+	return mChatRoom && mChatRoom->isReadOnly();	
 }
 
 bool ChatRoomModel::isEphemeralEnabled() const{
@@ -1367,7 +1367,7 @@ void ChatRoomModel::onConferenceJoined(const std::shared_ptr<linphone::ChatRoom>
 	updateLastUpdateTime();
 	emit usernameChanged();
 	emit conferenceJoined(chatRoom, eventLog);
-	emit hasBeenLeftChanged();
+	emit isReadOnlyChanged();
 }
 
 void ChatRoomModel::onConferenceLeft(const std::shared_ptr<linphone::ChatRoom> & chatRoom, const std::shared_ptr<const linphone::EventLog> & eventLog){
@@ -1384,7 +1384,7 @@ void ChatRoomModel::onConferenceLeft(const std::shared_ptr<linphone::ChatRoom> &
 		}
 		updateLastUpdateTime();
 		emit conferenceLeft(chatRoom, eventLog);
-		emit hasBeenLeftChanged();
+		emit isReadOnlyChanged();
 	}
 }
 

linphone-app/src/components/chat-room/ChatRoomModel.hpp

@@ -133,7 +133,7 @@ public:
 	
 	Q_PROPERTY(bool isComposing READ getIsRemoteComposing NOTIFY isRemoteComposingChanged)
 	Q_PROPERTY(QList<QString> composers READ getComposers NOTIFY isRemoteComposingChanged)
-	Q_PROPERTY(bool hasBeenLeft READ hasBeenLeft NOTIFY hasBeenLeftChanged)
+	Q_PROPERTY(bool isReadOnly READ isReadOnly NOTIFY isReadOnlyChanged)
 	
 	Q_PROPERTY(QString sipAddress READ getFullPeerAddress NOTIFY fullPeerAddressChanged)
 	Q_PROPERTY(QString sipAddressUriOnly READ getPeerAddress NOTIFY fullPeerAddressChanged)
@@ -180,7 +180,7 @@ public:
 	QString getAvatar () const;
 	int getPresenceStatus() const;
 	int getState() const;
-	bool hasBeenLeft() const;
+	bool isReadOnly() const;
 	bool isEphemeralEnabled() const;
 	long getEphemeralLifetime() const;
 	bool canBeEphemeral();
@@ -320,7 +320,7 @@ signals:
 	void groupEnabledChanged(bool groupEnabled);
 	void isMeAdminChanged();
 	void stateChanged(int state);
-	void hasBeenLeftChanged();
+	void isReadOnlyChanged();
 	void ephemeralEnabledChanged();
 	void ephemeralLifetimeChanged();
 	void canBeEphemeralChanged();

linphone-app/src/components/content/ContentListModel.cpp

@@ -150,6 +150,13 @@ void ContentListModel::clear(){
 	endResetModel();
 }
 
+void ContentListModel::removeDownloadedFiles(){
+	for(auto contentModel : mList){
+		contentModel->removeDownloadedFile();
+		contentModel->removeThumbnail();
+	}
+}
+
 std::shared_ptr<ContentModel> ContentListModel::getContentModel(std::shared_ptr<linphone::Content> content){
 	for(auto c : mList)
 		if(c->getContent() == content)

linphone-app/src/components/content/ContentListModel.hpp

@@ -48,6 +48,7 @@ public:
 	Q_INVOKABLE void remove(ContentModel * model);
 	
 	void clear();
+	void removeDownloadedFiles();
 	
 	std::shared_ptr<ContentModel> getContentModel(std::shared_ptr<linphone::Content> content);// Return the contentModel by checking Content, or if it is the same file.
 	QList<std::shared_ptr<ContentModel>> getContents();

linphone-app/src/components/content/ContentModel.cpp

@@ -65,7 +65,14 @@ quint64 ContentModel::getFileSize() const{
 }
 
 QString ContentModel::getName() const{
-	return QString::fromStdString(mContent->getName());
+	QString name = QString::fromStdString(mContent->getName());
+	if( name == "") {	// Try to find the name from file Path
+		QString fileName = QString::fromStdString(mContent->getFilePath());
+		if(fileName != ""){
+			name = QFileInfo(fileName).baseName();
+		}
+	}
+	return name;
 }
 
 QString ContentModel::getThumbnail() const{
@@ -101,6 +108,7 @@ void ContentModel::setWasDownloaded(bool wasDownloaded){
 
 void ContentModel::setContent(std::shared_ptr<linphone::Content> content){
 	mContent = content;
+	emit nameChanged();
 	if(isFile() || isFileEncrypted() || isFileTransfer() ){
 		QString path = Utils::coreStringToAppString(mContent->getFilePath());
 		if (!path.isEmpty())
@@ -204,6 +212,13 @@ void ContentModel::removeThumbnail(){
 	mAppData.mData.clear();
 }
 
+void ContentModel::removeDownloadedFile(){
+	QString path = getFilePath();
+	if( path != ""){
+		QFile(path).remove();
+	}
+}
+
 void ContentModel::downloadFile(){
 	switch (mChatMessageModel->getState()) {
 		case LinphoneEnums::ChatMessageStateDelivered:

linphone-app/src/components/content/ContentModel.hpp

@@ -70,6 +70,7 @@ public:
 	
 	void createThumbnail (const bool& force = false);
 	void removeThumbnail ();
+	void removeDownloadedFile();
 	
 	Q_INVOKABLE void downloadFile();
 	Q_INVOKABLE void openFile (bool showDirectory = false);

linphone-app/src/components/core/CoreManager.cpp

@@ -180,6 +180,15 @@ void CoreManager::forceRefreshRegisters () {
 void CoreManager::updateUnreadMessageCount(){
 	mEventCountNotifier->updateUnreadMessageCount();
 }
+
+void CoreManager::stateChanged(Qt::ApplicationState pState){
+	if(mCbsTimer){
+		if(pState == Qt::ApplicationActive)
+			mCbsTimer->setInterval(	Constants::CbsCallInterval);
+		else
+			mCbsTimer->setInterval(	Constants::CbsCallInterval * 10);
+	}	
+}
 // -----------------------------------------------------------------------------
 
 void CoreManager::sendLogs () const {

linphone-app/src/components/core/CoreManager.hpp

@@ -163,6 +163,7 @@ public:
 	
 	Q_INVOKABLE void forceRefreshRegisters ();
 	void updateUnreadMessageCount();
+	void stateChanged(Qt::ApplicationState pState);
 	
 	Q_INVOKABLE void sendLogs () const;
 	Q_INVOKABLE void cleanLogs () const;

linphone-app/src/components/notifier/Notifier.cpp

@@ -295,16 +295,16 @@ void Notifier::notifyReceivedMessage (const shared_ptr<linphone::ChatMessage> &m
   CREATE_NOTIFICATION(Notifier::ReceivedMessage, map)
 }
 
-void Notifier::notifyReceivedFileMessage (const shared_ptr<linphone::ChatMessage> &message) {
+void Notifier::notifyReceivedFileMessage (const shared_ptr<linphone::ChatMessage> &message, const shared_ptr<linphone::Content> &content) {
   QVariantMap map;
   shared_ptr<linphone::ChatRoom> chatRoom(message->getChatRoom());
   map["timelineModel"].setValue(CoreManager::getInstance()->getTimelineListModel()->getTimeline(chatRoom, true).get());
-  map["fileUri"] = Utils::coreStringToAppString(message->getFileTransferInformation()->getFilePath());
+  map["fileUri"] = Utils::coreStringToAppString(content->getFilePath());
   if( Utils::getImage(map["fileUri"].toString()).isNull())
     map["imageUri"] = "";
   else
     map["imageUri"] = map["fileUri"];
-  map["fileSize"] = quint64(message->getFileTransferInformation()->getSize() +message->getFileTransferInformation()->getFileSize());
+  map["fileSize"] = quint64(content->getSize() + content->getFileSize());
   CREATE_NOTIFICATION(Notifier::ReceivedFileMessage, map)
 }
 

linphone-app/src/components/notifier/Notifier.hpp

@@ -55,7 +55,7 @@ public:
 	};
 	
 	void notifyReceivedMessage (const std::shared_ptr<linphone::ChatMessage> &message);
-	void notifyReceivedFileMessage (const std::shared_ptr<linphone::ChatMessage> &message);
+	void notifyReceivedFileMessage (const std::shared_ptr<linphone::ChatMessage> &message, const std::shared_ptr<linphone::Content> &content);
 	void notifyReceivedCall (const std::shared_ptr<linphone::Call> &call);
 	void notifyNewVersionAvailable (const QString &version, const QString &url);
 	void notifySnapshotWasTaken (const QString &filePath);

linphone-app/src/components/settings/SettingsModel.cpp

@@ -649,6 +649,15 @@ void SettingsModel::setAutomaticallyRecordCalls (bool status) {
 	emit automaticallyRecordCallsChanged(status);
 }
 
+int SettingsModel::getAutoDownloadMaxSize() const{
+	return CoreManager::getInstance()->getCore()->getMaxSizeForAutoDownloadIncomingFiles();
+}
+
+void SettingsModel::setAutoDownloadMaxSize(int maxSize){
+	CoreManager::getInstance()->getCore()->setMaxSizeForAutoDownloadIncomingFiles(maxSize);
+	emit autoDownloadMaxSizeChanged(maxSize);
+}
+	
 // -----------------------------------------------------------------------------
 
 bool SettingsModel::getCallPauseEnabled () const {

linphone-app/src/components/settings/SettingsModel.hpp

@@ -109,6 +109,7 @@ class SettingsModel : public QObject {
 	
 	Q_PROPERTY(bool callRecorderEnabled READ getCallRecorderEnabled WRITE setCallRecorderEnabled NOTIFY callRecorderEnabledChanged)
 	Q_PROPERTY(bool automaticallyRecordCalls READ getAutomaticallyRecordCalls WRITE setAutomaticallyRecordCalls NOTIFY automaticallyRecordCallsChanged)
+	Q_PROPERTY(int autoDownloadMaxSize READ getAutoDownloadMaxSize WRITE setAutoDownloadMaxSize NOTIFY autoDownloadMaxSizeChanged)
 	
 	Q_PROPERTY(bool callPauseEnabled READ getCallPauseEnabled WRITE setCallPauseEnabled NOTIFY callPauseEnabledChanged)
 	Q_PROPERTY(bool muteMicrophoneEnabled READ getMuteMicrophoneEnabled WRITE setMuteMicrophoneEnabled NOTIFY muteMicrophoneEnabledChanged)
@@ -357,6 +358,9 @@ public:
 	bool getAutomaticallyRecordCalls () const;
 	void setAutomaticallyRecordCalls (bool status);
 	
+	int getAutoDownloadMaxSize() const;
+	void setAutoDownloadMaxSize(int maxSize);
+	
 	bool getCallPauseEnabled () const;
 	void setCallPauseEnabled (bool status);
 	
@@ -625,6 +629,7 @@ signals:
 	
 	void callRecorderEnabledChanged (bool status);
 	void automaticallyRecordCallsChanged (bool status);
+	void autoDownloadMaxSizeChanged (int maxSize);
 	
 	void callPauseEnabledChanged (bool status);
 	void muteMicrophoneEnabledChanged (bool status);

linphone-app/src/components/timeline/TimelineListModel.cpp

@@ -309,7 +309,7 @@ void TimelineListModel::remove(std::shared_ptr<TimelineModel> model){
 	}
 }
 void TimelineListModel::removeChatRoomModel(std::shared_ptr<ChatRoomModel> model){
-	if(!model || (model->getChatRoom()->isEmpty() && (model->hasBeenLeft() || !model->isGroupEnabled()))){
+	if(!model || (model->getChatRoom()->isEmpty() && (model->isReadOnly() || !model->isGroupEnabled()))){
 		auto itTimeline = mTimelines.begin();
 		while(itTimeline != mTimelines.end()) {
 			if((*itTimeline)->mChatRoomModel == model){

linphone-app/src/components/timeline/TimelineModel.cpp

@@ -129,7 +129,7 @@ void TimelineModel::setSelected(const bool& selected){
 				<< ", ephemeralEnabled:" << mChatRoomModel->isEphemeralEnabled()
 				<< ", isAdmin:"<< mChatRoomModel->isMeAdmin()
 				<< ", canHandleParticipants:"<< mChatRoomModel->canHandleParticipants()
-				<< ", hasBeenLeft:" << mChatRoomModel->hasBeenLeft();
+				<< ", isReadOnly:" << mChatRoomModel->isReadOnly();
 		}
 		emit selectedChanged(mSelected);
 	}

linphone-app/ui/modules/Linphone/Chat/Chat.qml

@@ -459,12 +459,12 @@ Rectangle {
 					Layout.leftMargin: ChatStyle.sendArea.backgroundBorder.width
 					borderColor: ChatStyle.sendArea.border.color
 					topWidth: ChatStyle.sendArea.border.width
-					visible: proxyModel.chatRoomModel && !proxyModel.chatRoomModel.hasBeenLeft && (!proxyModel.chatRoomModel.haveEncryption && SettingsModel.standardChatEnabled || proxyModel.chatRoomModel.haveEncryption && SettingsModel.secureChatEnabled)
+					visible: proxyModel.chatRoomModel && !proxyModel.chatRoomModel.isReadOnly && (!proxyModel.chatRoomModel.haveEncryption && SettingsModel.standardChatEnabled || proxyModel.chatRoomModel.haveEncryption && SettingsModel.secureChatEnabled)
 					
 					DroppableTextArea {
 						id: textArea
 						
-						enabled:proxyModel && proxyModel.chatRoomModel ? !proxyModel.chatRoomModel.hasBeenLeft:false
+						enabled:proxyModel && proxyModel.chatRoomModel ? !proxyModel.chatRoomModel.isReadOnly:false
 						isEphemeral : proxyModel && proxyModel.chatRoomModel ? proxyModel.chatRoomModel.ephemeralEnabled:false
 						
 						anchors.left: parent.left

linphone-app/ui/modules/Linphone/Chat/ChatFileMessage.qml

@@ -246,7 +246,7 @@ Row {
 					icon: ChatStyle.entry.message.file.download.icon
 					iconSize: ChatStyle.entry.message.file.download.iconSize
 					overwriteColor: isOutgoing ? ChatStyle.entry.message.file.download.outgoingColor : ChatStyle.entry.message.file.download.incomingColor
-					visible: (mainRow.contentModel? !mainRow.contentModel.wasDownloaded : false)
+					visible: !progressBar.visible && (mainRow.contentModel? !mainRow.contentModel.wasDownloaded : false)
 				}
 				
 				MouseArea {
@@ -257,7 +257,10 @@ Row {
 					}
 					
 					anchors.fill: parent
-					visible: downloadButton.visible || ((rectangle.isUploaded || rectangle.isRead) && !isOutgoing) || isOutgoing
+					visible: true
+					//downloadButton.visible || ((rectangle.isUploaded || rectangle.isRead) && !isOutgoing) || isOutgoing
+					//onVisibleChanged: console.log("Mouse of "+mainRow.contentModel.name+" / "+downloadButton.visible
+						//				+"/"+rectangle.isUploaded +"/"+rectangle.isRead)
 					
 					onClicked: {
 						if (Utils.pointIsInItem(this, thumbnailProvider, mouse)) {

linphone-app/ui/views/App/Main/Conversation.qml

@@ -178,7 +178,7 @@ ColumnLayout  {
 								
 							}
 							onUsernameClicked: {
-													if(!conversation.hasBeenLeft) {
+													if(!conversation.isReadOnly) {
 														usernameEdit.visible = !usernameEdit.visible
 														usernameEdit.forceActiveFocus()
 													}
@@ -198,7 +198,7 @@ ColumnLayout  {
 						iconSize:30
 						MouseArea{
 							anchors.fill:parent
-							visible: !conversation.hasBeenLeft
+							visible: !conversation.isReadOnly
 							onClicked : {
 								window.detachVirtualWindow()
 								window.attachVirtualWindow(Qt.resolvedUrl('Dialogs/InfoEncryption.qml')
@@ -294,7 +294,7 @@ ColumnLayout  {
 						backgroundRadius: 1000
 						colorSet: ConversationStyle.bar.actions.groupChat
 						
-						visible: SettingsModel.outgoingCallsEnabled && conversation.haveMoreThanOneParticipants && conversation.haveLessThanMinParticipantsForCall && !conversation.hasBeenLeft
+						visible: SettingsModel.outgoingCallsEnabled && conversation.haveMoreThanOneParticipants && conversation.haveLessThanMinParticipantsForCall && !conversation.isReadOnly
 						
 						onClicked: Logic.openConferenceManager({chatRoomModel:conversation.chatRoomModel, autoCall:true})
 						//: "Call all chat room's participants" : tooltip on a button for calling all participant in the current chat room

linphone-app/ui/views/App/Main/Dialogs/InfoChatRoom.qml

@@ -27,7 +27,7 @@ DialogPlus {
 				chatRoomModel.leaveChatRoom();
 				exit(0)
 			}
-			enabled: !chatRoomModel.hasBeenLeft
+			enabled: !chatRoomModel.isReadOnly
 			visible: !chatRoomModel.isOneToOne
 		},Item{
 			Layout.fillWidth: true
@@ -38,7 +38,7 @@ DialogPlus {
 			capitalization: Font.AllUppercase
 			
 			onClicked: {
-				if(!chatRoomModel.hasBeenLeft)
+				if(!chatRoomModel.isReadOnly)
 					chatRoomModel.updateParticipants(selectedParticipants.getParticipants()) // Remove/New
 				exit(1)
 			}
@@ -58,7 +58,7 @@ DialogPlus {
 	height: InfoChatRoomStyle.height
 	width: InfoChatRoomStyle.width
 	
-	readonly property bool adminMode : chatRoomModel.isMeAdmin && !chatRoomModel.hasBeenLeft
+	readonly property bool adminMode : chatRoomModel.isMeAdmin && !chatRoomModel.isReadOnly
 	
 	// ---------------------------------------------------------------------------
 	ColumnLayout {

linphone-app/ui/views/App/Settings/SettingsCallsChat.qml

@@ -1,10 +1,12 @@
 import QtQuick 2.7
+import QtQuick.Layouts 1.3
 
 import Common 1.0
 import Linphone 1.0
 import Utils 1.0
 
 import App.Styles 1.0
+import Common.Styles 1.0
 
 // =============================================================================
 
@@ -240,7 +242,7 @@ TabContainer {
 						onClicked: SettingsModel.secureChatEnabled = !checked
 					}
 				}
-								
+				
 				FormGroup {
 					label: qsTr('conferenceEnabledLabel')
 					
@@ -316,6 +318,79 @@ TabContainer {
 					}
 				}
 				
+			}
+			FormLine {
+				FormGroup {
+					//: 'Auto download' : Label for a slider about auto download mode
+					label: qsTr('AutoDownload')
+					
+					RowLayout{
+						Layout.fillHeight: true
+						Layout.fillWidth: true
+						spacing: 0
+						Slider {
+							Layout.fillHeight: true
+							Layout.fillWidth: true
+							id: autoDownloadModes
+							width: parent.width
+							
+							function toSlider(value){
+								if( value == -1)
+									return autoDownloadModes.from;
+								else if(value == 0)
+									return autoDownloadModes.to;
+								else
+									return value/1000000+autoDownloadModes.from
+							}
+							function fromSlider(value){
+								if( value == autoDownloadModes.from)
+									return -1
+								else if( value == autoDownloadModes.to)
+									return 0
+								else
+									return (value - autoDownloadModes.from) * 1000000
+							}
+							
+							onValueChanged: {
+												SettingsModel.autoDownloadMaxSize = fromSlider(value)
+												autoDownloadText.updateText(value)
+											}
+							from: 1
+							to: 500
+							stepSize: 1
+							value: toSlider(SettingsModel.autoDownloadMaxSize)
+						}
+						Text {
+							id: autoDownloadText
+							property int preferredWidth : 0
+							Layout.preferredWidth: preferredWidth
+							color: FormHGroupStyle.legend.color
+							font.pointSize: FormHGroupStyle.legend.pointSize
+							
+							function updateText(value){
+								//: 'Never' : auto download mode description for deactivated feature.
+								text = value == autoDownloadModes.from ? qsTr('autoDownloadNever')
+								//: 'Always' : auto download mode description for activated feature without any constraints.
+									: value == autoDownloadModes.to ? qsTr('autoDownloadAlways')
+										: ' <  '+ ( autoDownloadModes.fromSlider(value) ).toFixed(0)/1000000 + ' Mb'
+							}
+							Component.onCompleted: updateMaxSize()
+							function updateMaxSize(){
+								autoDownloadText.visible = false
+								updateText(autoDownloadModes.from)
+								var maxWidth = autoDownloadText.implicitWidth
+								updateText(autoDownloadModes.to)
+								maxWidth = Math.max( maxWidth, autoDownloadText.implicitWidth)
+								updateText(autoDownloadModes.to-1)
+								maxWidth = Math.max( maxWidth, autoDownloadText.implicitWidth)
+								autoDownloadText.preferredWidth = maxWidth
+								updateText(autoDownloadModes.value)
+								autoDownloadText.visible = true
+							}
+						}
+					}
+				}
+				
 			}
 			
 			FormLine {

linphone-sdk

@@ -1 +1 @@
-Subproject commit 9b46b4998337f0e80daeca2030b5ccad120d8724
+Subproject commit e198368c1254aff728c643ce8cba1541cdb5dc10