text: // Copyright 2014 Olivier Gillet.
  //
  // Author: Olivier Gillet (pichenettes@mutable-instruments.net)
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  // 
  // The above copyright notice and this permission notice shall be included in
  // all copies or substantial portions of the Software.
  // 
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  // THE SOFTWARE.
  // 
  // See http://creativecommons.org/licenses/MIT/ for more information.
  //
  // -----------------------------------------------------------------------------
  //
  // User interface
  
  #ifndef CLOUDS_UI_H_
  #define CLOUDS_UI_H_
  
  #include "stmlib/stmlib.h"
  //#include "stmlib/ui/event_queue.h"
  
  #include "drivers/leds.h"
  #include "drivers/switches.h"
  
  namespace clouds {
  
  enum UiMode {
    UI_MODE_VU_METER,
    UI_MODE_BLEND_METER,
    UI_MODE_QUALITY,
    UI_MODE_BLENDING,
    UI_MODE_PLAYBACK_MODE,
    UI_MODE_LOAD,
    UI_MODE_SAVE,
    UI_MODE_PANIC,
    UI_MODE_CALIBRATION_1,
    UI_MODE_CALIBRATION_2,
    UI_MODE_SAVING,
    UI_MODE_SPLASH,
    UI_MODE_LAST
  };
  
  enum SwitchIndex {
    SWITCH_MODE,
    SWITCH_WRITE,
    SWITCH_FREEZE
  };
  
  enum FactoryTestingCommand {
    FACTORY_TESTING_READ_POT,
    FACTORY_TESTING_READ_CV,
    FACTORY_TESTING_READ_GATE,
    FACTORY_TESTING_SET_BYPASS,
    FACTORY_TESTING_CALIBRATE
  };
  
  class GranularProcessor;
  class CvScaler;
  class Meter;
  class Settings;
  
  class Ui {
   public:
    Ui() { }
    ~Ui() { }
    
    void Init(
        Settings* settings,
        CvScaler* cv_scaler,
        GranularProcessor* processor,
        /*Meter*/char* meter);
    void Poll();
    void DoEvents();
    void FlushEvents();
    void Panic() {
      mode_ = UI_MODE_PANIC;
    }
    
    
    uint8_t HandleFactoryTestingRequest(uint8_t command);
    
   private:
    //void OnSwitchPressed(const stmlib::Event& e);
    //void OnSwitchReleased(const stmlib::Event& e);
    void OnSecretHandshake();
    
    void CalibrateC1();
    void CalibrateC3();
  
    void SaveState();
    void PaintLeds();
    void LoadSampleMemory();
    void SaveSampleMemory();
  
    //stmlib::EventQueue<16> queue_;
  
    Settings* settings_ = NULL;
    CvScaler* cv_scaler_ = NULL;
    
    //Leds leds_;
    //Switches switches_;
    uint32_t press_time_[kNumSwitches];
    uint32_t long_press_time_[kNumSwitches];
    UiMode mode_ = (UiMode)0;
    
    GranularProcessor* processor_ = NULL;
    //Meter* meter_;
    
    uint8_t load_save_location_ = 0;
    
    DISALLOW_COPY_AND_ASSIGN(Ui);
  };
  
  }  // namespace clouds
  
  #endif  // CLOUDS_UI_H_
  