feat(chatform): Disable call buttons if friend is offline

Call buttons would be enabled but non-functional if you were looking at a friend who was offline. We now check if the friend is offline and disable the call buttons if so.

src/widget/form/chatform.cpp

@@ -114,6 +114,7 @@ ChatForm::ChatForm(Friend* chatFriend)
     connect(msgEdit, &ChatTextEdit::enterPressed, this, &ChatForm::onSendTriggered);
     connect(msgEdit, &ChatTextEdit::textChanged, this, &ChatForm::onTextEditChanged);
     connect(core, &Core::fileSendFailed, this, &ChatForm::onFileSendFailed);
+    connect(core, &Core::friendStatusChanged, this, &ChatForm::onFriendStatusChanged);
     connect(this, &ChatForm::chatAreaCleared, getOfflineMsgEngine(), &OfflineMsgEngine::removeAllReceipts);
     connect(statusMessageLabel, &CroppingLabel::customContextMenuRequested, this, [&](const QPoint& pos)
     {
@@ -516,13 +517,10 @@ void ChatForm::enableCallButtons()
         disableCallButtonsTimer->start(1500); // 1.5sec
         qDebug() << "timer started!!";
     }
-
 }
 
 void ChatForm::disableCallButtons()
 {
-    qDebug() << "disableCallButtons";
-
     // Prevents race enable / disable / onEnable, when it should be disabled
     if (disableCallButtonsTimer)
     {
@@ -552,7 +550,6 @@ void ChatForm::disableCallButtons()
 
 void ChatForm::onEnableCallButtons()
 {
-    qDebug() << "onEnableCallButtons";
     audioInputFlag = false;
     audioOutputFlag = false;
 
@@ -568,9 +565,12 @@ void ChatForm::onEnableCallButtons()
     connect(videoButton, SIGNAL(clicked()),
             this, SLOT(onVideoCallTriggered()));
 
-    disableCallButtonsTimer->stop();
-    delete disableCallButtonsTimer;
-    disableCallButtonsTimer = nullptr;
+    if (disableCallButtonsTimer != nullptr)
+    {
+        disableCallButtonsTimer->stop();
+        delete disableCallButtonsTimer;
+        disableCallButtonsTimer = nullptr;
+    }
 }
 
 void ChatForm::onMicMuteToggle()
@@ -621,6 +621,15 @@ void ChatForm::onFileSendFailed(uint32_t FriendId, const QString &fname)
     addSystemInfoMessage(tr("Failed to send file \"%1\"").arg(fname), ChatMessage::ERROR, QDateTime::currentDateTime());
 }
 
+void ChatForm::onFriendStatusChanged(uint32_t friendId, Status status)
+{
+    // Disable call buttons if friend is offline
+    if(friendId == f->getFriendID() && status == Status::Offline)
+        disableCallButtons();
+    else
+        onEnableCallButtons();
+}
+
 void ChatForm::onAvatarChange(uint32_t FriendId, const QPixmap &pic)
 {
     if (FriendId != f->getFriendID())
@@ -916,6 +925,12 @@ void ChatForm::show(ContentLayout* contentLayout)
 {
     GenericChatForm::show(contentLayout);
 
+    // Disable call buttons if friend is offline
+    if(f->getStatus() == Status::Offline)
+        disableCallButtons();
+    else
+        onEnableCallButtons();
+
     if (callConfirm)
         callConfirm->show();
 }

src/widget/form/chatform.h

@@ -77,6 +77,7 @@ private slots:
     void onMicMuteToggle();
     void onVolMuteToggle();
     void onFileSendFailed(uint32_t FriendId, const QString &fname);
+    void onFriendStatusChanged(uint32_t friendId, Status status);
     void onLoadHistory();
     void onUpdateTime();
     void onEnableCallButtons();