calls: prevent getting stuck in fullscreen mode when a call ends

Change-Id: I2ac4a683f3857425f59483f73f8511f00158cc30

src/calladapter.cpp

@@ -86,8 +86,10 @@ CallAdapter::onAccountChanged()
 void
 CallAdapter::onCallStatusChanged(const QString& accountId, const QString& callId)
 {
+    set_hasCall(lrcInstance_->hasActiveCall());
+
     // :/ one timer for all the call overlays
-    if (!lrcInstance_->hasActiveCall())
+    if (!hasCall_)
         oneSecondTimer_->stop();
 
 #ifdef Q_OS_LINUX

src/calladapter.h

@@ -33,6 +33,7 @@ class SystemTray;
 class CallAdapter final : public QmlAdapterBase
 {
     Q_OBJECT
+    QML_PROPERTY(bool, hasCall)
 
 public:
     enum MuteStates { UNMUTED, LOCAL_MUTED, MODERATOR_MUTED, BOTH_MUTED };

src/constant/JamiQmlUtils.qml

@@ -21,6 +21,8 @@ pragma Singleton
 
 import QtQuick 2.14
 
+import net.jami.Adapters 1.0
+
 Item {
     readonly property string mainViewLoadPath: "qrc:/src/mainview/MainView.qml"
     readonly property string wizardViewLoadPath: "qrc:/src/wizardview/WizardView.qml"
@@ -29,6 +31,15 @@ Item {
     property var mainApplicationScreen: ""
     property bool callIsFullscreen: false
 
+    Connections {
+        target: CallAdapter
+
+        function onHasCallChanged() {
+            if (!CallAdapter.hasCall && callIsFullscreen)
+                callIsFullscreen = false
+        }
+    }
+
     TextMetrics {
         id: globalTextMetrics
     }