Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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drape_frontend/animation/animation.hpp

@@ -0,0 +1,163 @@
+#pragma once
+
+#include "drape_frontend/animation/interpolators.hpp"
+
+#include "drape/pointers.hpp"
+
+#include "geometry/point2d.hpp"
+#include "geometry/screenbase.hpp"
+
+#include <functional>
+#include <map>
+#include <set>
+#include <string>
+#include <utility>
+
+namespace df
+{
+
+class Animation
+{
+public:
+  enum class Type
+  {
+    Sequence,
+    Parallel,
+    MapLinear,
+    MapScale,
+    MapFollow,
+    Arrow,
+    KineticScroll
+  };
+
+  enum class Object
+  {
+    MyPositionArrow,
+    MapPlane,
+    Selection
+  };
+
+  enum class ObjectProperty
+  {
+    Position,
+    Scale,
+    Angle
+  };
+
+  struct PropertyValue
+  {
+    enum class Type
+    {
+      ValueD,
+      ValuePointD
+    };
+
+    PropertyValue()
+    {}
+
+    explicit PropertyValue(double value)
+      : m_type(Type::ValueD)
+      , m_valueD(value)
+    {}
+
+    explicit PropertyValue(m2::PointD const & value)
+      : m_type(Type::ValuePointD)
+      , m_valuePointD(value)
+    {}
+
+    Type m_type;
+    union
+    {
+      m2::PointD m_valuePointD;
+      double m_valueD;
+    };
+  };
+
+  using TAnimObjects = std::set<Object>;
+  using TObjectProperties = std::set<ObjectProperty>;
+  using TAction = std::function<void(ref_ptr<Animation>)>;
+  using TPropertyCache = std::map<std::pair<Object, ObjectProperty>, Animation::PropertyValue>;
+
+  Animation(bool couldBeInterrupted, bool couldBeBlended)
+    : m_couldBeInterrupted(couldBeInterrupted)
+    , m_couldBeBlended(couldBeBlended)
+    , m_interruptedOnCombine(false)
+    , m_couldBeRewinded(true)
+  {}
+
+  virtual ~Animation() = default;
+
+  virtual void Init(ScreenBase const & screen, TPropertyCache const & properties) {}
+  virtual void OnStart() { if (m_onStartAction != nullptr) m_onStartAction(this); }
+  virtual void OnFinish() { if (m_onFinishAction != nullptr) m_onFinishAction(this); }
+  virtual void Interrupt() { if (m_onInterruptAction != nullptr) m_onInterruptAction(this); }
+
+  virtual Type GetType() const = 0;
+  virtual std::string GetCustomType() const { return std::string(); }
+
+  virtual TAnimObjects const & GetObjects() const = 0;
+  virtual bool HasObject(Object object) const = 0;
+  virtual TObjectProperties const & GetProperties(Object object) const = 0;
+  virtual bool HasProperty(Object object, ObjectProperty property) const = 0;
+  virtual bool HasTargetProperty(Object object, ObjectProperty property) const;
+
+  static double constexpr kInvalidAnimationDuration = -1.0;
+
+  virtual void SetMaxDuration(double maxDuration) = 0;
+  virtual void SetMinDuration(double minDuration) = 0;
+  virtual double GetDuration() const = 0;
+  virtual double GetMaxDuration() const = 0;
+  virtual double GetMinDuration() const = 0;
+  virtual bool IsFinished() const = 0;
+
+  virtual void Advance(double elapsedSeconds) = 0;
+  virtual void Finish() { OnFinish(); }
+
+  virtual bool GetProperty(Object object, ObjectProperty property, PropertyValue & value) const = 0;
+  virtual bool GetTargetProperty(Object object, ObjectProperty property, PropertyValue & value) const = 0;
+
+  void SetOnStartAction(TAction const & action) { m_onStartAction = action; }
+  void SetOnFinishAction(TAction const & action) { m_onFinishAction = action; }
+  void SetOnInterruptAction(TAction const & action) { m_onInterruptAction = action; }
+
+  bool CouldBeBlended() const { return m_couldBeBlended; }
+  bool CouldBeInterrupted() const { return m_couldBeInterrupted; }
+  bool CouldBeBlendedWith(Animation const & animation) const;
+  bool HasSameObjects(Animation const & animation) const;
+
+  void SetInterruptedOnCombine(bool enable) { m_interruptedOnCombine = enable; }
+  bool GetInterruptedOnCombine() const { return m_interruptedOnCombine; }
+
+  void SetCouldBeInterrupted(bool enable) { m_couldBeInterrupted = enable; }
+  void SetCouldBeBlended(bool enable) { m_couldBeBlended = enable; }
+  
+  void SetCouldBeRewinded(bool enable) { m_couldBeRewinded = enable; }
+  bool CouldBeRewinded() const { return m_couldBeRewinded; }
+
+protected:
+  static void GetCurrentScreen(TPropertyCache const & properties, ScreenBase const & screen, ScreenBase & currentScreen);
+  static bool GetCachedProperty(TPropertyCache const & properties, Object object, ObjectProperty property, PropertyValue & value);
+
+  static bool GetMinDuration(Interpolator const & interpolator, double & minDuration);
+  static bool GetMaxDuration(Interpolator const & interpolator, double & maxDuration);
+
+  TAction m_onStartAction;
+  TAction m_onFinishAction;
+  TAction m_onInterruptAction;
+
+  // Animation could be interrupted in case of blending impossibility.
+  bool m_couldBeInterrupted;
+  // Animation could be blended with other animations.
+  bool m_couldBeBlended;
+  // Animation must be interrupted in case of combining another animation.
+  bool m_interruptedOnCombine;
+  // Animation could be rewinded in case of finishing.
+  bool m_couldBeRewinded;
+};
+
+std::string DebugPrint(Animation::Type const & type);
+std::string DebugPrint(Animation::Object const & object);
+std::string DebugPrint(Animation::ObjectProperty const & property);
+
+} // namespace df
+