Add recalculating TTS announcement

Signed-off-by: zyphlar <zyphlar@users.noreply.github.com>

data/strings/sound.txt

@@ -623,6 +623,50 @@
     en = NULL
     nl = Neem
 
+  [route_recalculating]
+    en = Recalculating the route
+    af = Herbereken die roete
+    ar = إعادة حساب المسار
+    az = Marşrutun yenidən hesablanması
+    be = Пераразлік маршруту
+    bg = Преизчисляване на маршрута
+    ca = Recalcular el recorregut
+    cs = Přepočítání trasy
+    da = Genberegning af ruten
+    de = Neuberechnung der Route
+    el = Επαναϋπολογισμός της διαδρομής
+    es = Recalculando la ruta
+    et = Marsruudi ümberarvutamine
+    eu = Ibilbidea berriro kalkulatzea
+    fa = محاسبه مجدد مسیر
+    fi = Reitin uudelleenlaskenta
+    fr = Recalcul de l'itinéraire
+    he = חישוב מחדש של המסלול
+    hi = मार्ग की पुनर्गणना
+    hu = Az útvonal újraszámítása
+    id = Menghitung ulang rute
+    it = Ricalcolo del percorso
+    ja = ルートの再計算
+    ko = 경로 다시 계산하기
+    lt = Maršruto perskaičiavimas
+    mr = मार्गाची पुनर्गणना करत आहे
+    nb = Beregner ruten på nytt
+    nl = De route herberekenen
+    pl = Ponowne obliczanie trasy
+    pt = Recalculando itinerário
+    pt-BR = Recalculando rota
+    ro = Recalcularea traseului
+    ru = Перерасчет маршрута
+    sk = Prepočítanie trasy
+    sv = Omberäkning av rutten
+    sw = Kuhesabu upya njia
+    th = การคำนวณเส้นทางใหม่
+    tr = Rotanın yeniden hesaplanması
+    uk = Перерахунок маршруту
+    vi = Tính toán lại lộ trình
+    zh-Hans = 重新计算路线
+    zh-Hant = 重新計算路
+
   [destination]
     en = You’ll arrive.
     ar = سوف تصل.

routing/routing_session.cpp

@@ -74,6 +74,7 @@ void RoutingSession::BuildRoute(Checkpoints const & checkpoints, uint32_t timeou
 
   m_isFollowing = false;
   m_routingRebuildCount = -1; // -1 for the first rebuild.
+  m_routingRebuildAnnounceCount = 0;
 
   RebuildRoute(checkpoints.GetStart(), m_buildReadyCallback, m_needMoreMapsCallback,
                m_removeRouteCallback, timeoutSec, SessionState::RouteBuilding, false /* adjust */);
@@ -242,6 +243,10 @@ void RoutingSession::Reset()
   m_passedDistanceOnRouteMeters = 0.0;
   m_isFollowing = false;
   m_lastCompletionPercent = 0;
+
+  // reset announcement counters
+  m_routingRebuildCount = -1;
+  m_routingRebuildAnnounceCount = 0;
 }
 
 void RoutingSession::SetState(SessionState state)
@@ -484,6 +489,14 @@ void RoutingSession::GenerateNotifications(std::vector<std::string> & notificati
 
   ASSERT(m_route, ());
 
+  // Generate recalculating notification if needed and reset
+  if (m_routingRebuildCount > m_routingRebuildAnnounceCount)
+  {
+    m_routingRebuildAnnounceCount = m_routingRebuildCount;
+    notifications.emplace_back(m_turnNotificationsMgr.GenerateRecalculatingText());
+    return;
+  }
+
   // Voice turn notifications.
   if (!m_routingSettings.m_soundDirection)
     return;

routing/routing_session.hpp

@@ -234,6 +234,7 @@ private:
   double m_passedDistanceOnRouteMeters = 0.0;
   // Rerouting count
   int m_routingRebuildCount = -1; // -1 for the first rebuild called in BuildRoute().
+  int m_routingRebuildAnnounceCount = 0; // track TTS announcement state (ignore the first build)
   mutable double m_lastCompletionPercent = 0.0;
 
   DECLARE_THREAD_CHECKER(m_threadChecker);

routing/turns_notification_manager.cpp

@@ -84,6 +84,11 @@ std::string NotificationManager::GenerateTurnText(uint32_t distanceUnits, uint8_
   return m_getTtsText.GetTurnNotification({distanceUnits, exitNum, useThenInsteadOfDistance, turn.m_pedestrianTurn, lengthUnits, nextStreetInfo});
 }
 
+std::string NotificationManager::GenerateRecalculatingText() const
+{
+  return m_getTtsText.GetRecalculatingNotification();
+}
+
 std::string NotificationManager::GenerateSpeedCameraText() const
 {
   return m_getTtsText.GetSpeedCameraNotification();

routing/turns_notification_manager.hpp

@@ -49,6 +49,9 @@ public:
   measurement_utils::Units GetLengthUnits() const { return m_settings.GetLengthUnits(); }
   void SetLocaleWithJsonForTesting(std::string const & json, std::string const & locale);
 
+  /// \brief Generate text of route rebuild notification.
+  std::string GenerateRecalculatingText() const;
+
   /// \brief Generate text of speed camera notification.
   std::string GenerateSpeedCameraText() const;
 

routing/turns_tts_text.cpp

@@ -250,6 +250,11 @@ std::string GetTtsText::GetTurnNotification(Notification const & notification) c
   return out;
 }
 
+std::string GetTtsText::GetRecalculatingNotification() const
+{
+  return GetTextById("route_recalculating");
+}
+
 std::string GetTtsText::GetSpeedCameraNotification() const
 {
   return GetTextById("unknown_camera");

routing/turns_tts_text.hpp

@@ -25,6 +25,8 @@ public:
 
   std::string GetTurnNotification(Notification const & notification) const;
 
+  std::string GetRecalculatingNotification() const;
+
   std::string GetSpeedCameraNotification() const;
 
   /// \brief Sets a locale.