Added some usefull informations for users

Fixed bug with auto logout

src/app.cpp

@@ -36,6 +36,7 @@
 #include <Wt/WSlider.h>
 #include <Wt/WGridLayout.h>
 #include <Wt/WCheckBox.h>
+#include <Wt/WTimer.h>
 
 App::App(const Wt::WEnvironment &env, Broadcast &server):
         Wt::WApplication(env),
@@ -786,6 +787,8 @@ void App::createMenu() {
     addSearchButton();
     addInboxButton();
     addHistoryButton();
+    addLoginTimeView();
+    addTimeoutView();
 }
 
 void App::addLeaveButton() {
@@ -833,6 +836,7 @@ void App::addInboxButton() {
 }
 
 void App::showSearchWindow() {
+    setActivity();
     auto contentLayout = resetSearchFields();
     auto userNameField = setupNameSearchField(contentLayout);
     auto ageSearchFields = setupSearchFields(contentLayout);
@@ -975,6 +979,7 @@ void App::removeUserFromSearch(Wt::Json::Object) {
 }
 
 void App::requestHistory() {
+    setActivity();
     server_.sendHistory(sessionId());
 }
 
@@ -1000,6 +1005,51 @@ void App::showHistory(Wt::Json::Object broadcast) {
     triggerUpdate();
 }
 
+void App::connectionTimedOut() {
+    showLogin();
+    triggerUpdate();
+}
+
+void App::addLoginTimeView() {
+    auto loggedinTimeWidget = menuContainer_->addNew<Wt::WText>();
+    loggedinTimeWidget->setStyleClass("menu-info-text");
+    auto loginTimer = root()->addChild(std::make_unique<Wt::WTimer>());
+    loginTimer->setInterval(std::chrono::seconds(1));
+    auto loggedInRefresh = [=, this]() {
+        auto currentLoginSeconds = currentlyLoggedInSeconds();
+        int hours = currentLoginSeconds / 3600;
+        int minutes = (currentLoginSeconds % 3600) / 60;
+        std::stringstream elapsedTimeStream;
+        elapsedTimeStream << std::setw(2) << std::setfill('0') << hours << ":"
+                          << std::setw(2) << std::setfill('0') << minutes << " h";
+        std::string elapsedTimeString = elapsedTimeStream.str();
+        loggedinTimeWidget->setText(Wt::WString("In chat for {1}").arg(elapsedTimeString));
+    };
+    loginTimer->timeout().connect(loggedInRefresh);
+    loggedInRefresh();
+    loginTimer->start();
+}
+
+void App::addTimeoutView() {
+    auto timeoutRemainingWidget = menuContainer_->addNew<Wt::WText>();
+    timeoutRemainingWidget->setStyleClass("menu-info-text");
+    auto timeoutRemainingTimer = root()->addChild(std::make_unique<Wt::WTimer>());
+    timeoutRemainingTimer->setInterval(std::chrono::milliseconds(500));
+    auto timeoutRemainingRefresh = [=, this]() {
+        auto remainingLoginSeconds = remainingSecondsToTimeout();
+        int minutes = remainingLoginSeconds / 60;
+        int seconds = (remainingLoginSeconds % 60);
+        std::stringstream remainingTimeStream;
+        remainingTimeStream << std::setw(2) << std::setfill('0') << minutes << ":"
+                          << std::setw(2) << std::setfill('0') << seconds << " m";
+        std::string elapsedTimeString = remainingTimeStream.str();
+        timeoutRemainingWidget->setText(Wt::WString("Remaining time before logout is {1}").arg(elapsedTimeString));
+    };
+    timeoutRemainingTimer->timeout().connect(timeoutRemainingRefresh);
+    timeoutRemainingRefresh();
+    timeoutRemainingTimer->start();
+}
+
 void App::itemChanged(Wt::WCheckBox *item, Wt::WContainerWidget *dropDownContainer, Wt::WPushButton *openButton, std::unordered_set<std::string> *saveItems) {
     saveItems->clear();
     bool unselect = (item->text() == "All" && item->isChecked());
@@ -1093,6 +1143,7 @@ void App::showSearch(Wt::Json::Object broadcast) {
 }
 
 void App::openInbox() {
+    setActivity();
     currentConversationWith_ = "";
     contentContainer_->clear();
     contentContainer_->addNew<Wt::WText>("<h2>Inbox</h2>");
@@ -1128,6 +1179,8 @@ void App::incomingBroadcast() {
             removeUserFromSearch(broadcast);
         } else if (broadcast["type"] == "history") {
             showHistory(broadcast);
+        } else if (broadcast["type"] == "timedout") {
+            connectionTimedOut();
         }
     }
 }
@@ -1136,6 +1189,7 @@ void App::startChat() {
     createMenu();
     contentContainer_->clear();
     contentContainer_->addNew<Wt::WText>(Wt::WString::tr("introduction"), Wt::TextFormat::UnsafeXHTML);
+    setLoggedIn();
 }
 
 void App::createUserListContainer(Wt::WHBoxLayout *layout) {