Repo created

libs/drape_frontend/animation/arrow_animation.cpp

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+#include "drape_frontend/animation/arrow_animation.hpp"
+
+#include <algorithm>
+
+namespace df
+{
+
+ArrowAnimation::ArrowAnimation(m2::PointD const & startPos, m2::PointD const & endPos, double moveDuration,
+                               double startAngle, double endAngle)
+  : Animation(true /* couldBeInterrupted */, true /* couldBeBlended */)
+  , m_positionInterpolator(moveDuration, 0.0 /* delay */, startPos, endPos)
+  , m_angleInterpolator(startAngle, endAngle)
+{
+  m_objects.insert(Animation::Object::MyPositionArrow);
+  if (m_positionInterpolator.IsActive())
+    m_properties.insert(Animation::ObjectProperty::Position);
+  if (m_angleInterpolator.IsActive())
+    m_properties.insert(Animation::ObjectProperty::Angle);
+}
+
+void ArrowAnimation::Init(ScreenBase const & screen, TPropertyCache const & properties)
+{
+  PropertyValue value;
+  double minDuration;
+  double maxDuration;
+  if (GetCachedProperty(properties, Animation::Object::MyPositionArrow, Animation::ObjectProperty::Position, value))
+  {
+    minDuration = m_positionInterpolator.GetMinDuration();
+    maxDuration = m_positionInterpolator.GetMaxDuration();
+
+    m_positionInterpolator = PositionInterpolator(m_positionInterpolator.GetDuration(), 0.0 /* delay */,
+                                                  value.m_valuePointD, m_positionInterpolator.GetTargetPosition());
+
+    m_positionInterpolator.SetMinDuration(minDuration);
+    m_positionInterpolator.SetMaxDuration(maxDuration);
+
+    if (m_positionInterpolator.IsActive())
+      m_properties.insert(Animation::ObjectProperty::Position);
+  }
+  if (GetCachedProperty(properties, Animation::Object::MyPositionArrow, Animation::ObjectProperty::Angle, value))
+  {
+    minDuration = m_angleInterpolator.GetMinDuration();
+    maxDuration = m_angleInterpolator.GetMaxDuration();
+
+    m_angleInterpolator = AngleInterpolator(value.m_valueD, m_angleInterpolator.GetTargetAngle());
+
+    m_angleInterpolator.SetMinDuration(minDuration);
+    m_angleInterpolator.SetMaxDuration(maxDuration);
+
+    if (m_angleInterpolator.IsActive())
+      m_properties.insert(Animation::ObjectProperty::Angle);
+  }
+}
+
+Animation::TAnimObjects const & ArrowAnimation::GetObjects() const
+{
+  return m_objects;
+}
+
+bool ArrowAnimation::HasObject(Object object) const
+{
+  return object == Animation::Object::MyPositionArrow;
+}
+
+Animation::TObjectProperties const & ArrowAnimation::GetProperties(Object object) const
+{
+  return m_properties;
+}
+
+bool ArrowAnimation::HasProperty(Object object, ObjectProperty property) const
+{
+  return HasObject(object) && m_properties.find(property) != m_properties.end();
+}
+
+void ArrowAnimation::Advance(double elapsedSeconds)
+{
+  if (m_positionInterpolator.IsActive())
+    m_positionInterpolator.Advance(elapsedSeconds);
+
+  if (m_angleInterpolator.IsActive())
+    m_angleInterpolator.Advance(elapsedSeconds);
+}
+
+void ArrowAnimation::Finish()
+{
+  if (m_positionInterpolator.IsActive())
+    m_positionInterpolator.Finish();
+
+  if (m_angleInterpolator.IsActive())
+    m_angleInterpolator.Finish();
+}
+
+void ArrowAnimation::SetMaxDuration(double maxDuration)
+{
+  if (m_positionInterpolator.IsActive())
+    m_positionInterpolator.SetMaxDuration(maxDuration);
+
+  if (m_angleInterpolator.IsActive())
+    m_angleInterpolator.SetMaxDuration(maxDuration);
+}
+
+void ArrowAnimation::SetMinDuration(double minDuration)
+{
+  if (m_positionInterpolator.IsActive())
+    m_positionInterpolator.SetMinDuration(minDuration);
+
+  if (m_angleInterpolator.IsActive())
+    m_angleInterpolator.SetMinDuration(minDuration);
+}
+
+double ArrowAnimation::GetDuration() const
+{
+  double duration = 0.0;
+  if (m_angleInterpolator.IsActive())
+    duration = m_angleInterpolator.GetDuration();
+  if (m_positionInterpolator.IsActive())
+    duration = std::max(duration, m_positionInterpolator.GetDuration());
+  return duration;
+}
+
+double ArrowAnimation::GetMaxDuration() const
+{
+  double maxDuration = Animation::kInvalidAnimationDuration;
+
+  if (!Animation::GetMaxDuration(m_angleInterpolator, maxDuration) ||
+      !Animation::GetMaxDuration(m_positionInterpolator, maxDuration))
+    return Animation::kInvalidAnimationDuration;
+
+  return maxDuration;
+}
+
+double ArrowAnimation::GetMinDuration() const
+{
+  double minDuration = Animation::kInvalidAnimationDuration;
+
+  if (!Animation::GetMinDuration(m_angleInterpolator, minDuration) ||
+      !Animation::GetMinDuration(m_positionInterpolator, minDuration))
+    return Animation::kInvalidAnimationDuration;
+
+  return minDuration;
+}
+
+bool ArrowAnimation::IsFinished() const
+{
+  return m_positionInterpolator.IsFinished() && m_angleInterpolator.IsFinished();
+}
+
+bool ArrowAnimation::GetProperty(Object object, ObjectProperty property, PropertyValue & value) const
+{
+  return GetProperty(object, property, false /* targetValue */, value);
+}
+
+bool ArrowAnimation::GetTargetProperty(Object object, ObjectProperty property, PropertyValue & value) const
+{
+  return GetProperty(object, property, true /* targetValue */, value);
+}
+
+bool ArrowAnimation::GetProperty(Object object, ObjectProperty property, bool targetValue, PropertyValue & value) const
+{
+  ASSERT_EQUAL(static_cast<int>(object), static_cast<int>(Animation::Object::MyPositionArrow), ());
+
+  switch (property)
+  {
+  case Animation::ObjectProperty::Position:
+    if (m_positionInterpolator.IsActive())
+    {
+      value = PropertyValue(targetValue ? m_positionInterpolator.GetTargetPosition()
+                                        : m_positionInterpolator.GetPosition());
+      return true;
+    }
+    return false;
+  case Animation::ObjectProperty::Angle:
+    if (m_angleInterpolator.IsActive())
+    {
+      value = PropertyValue(targetValue ? m_angleInterpolator.GetTargetAngle() : m_angleInterpolator.GetAngle());
+      return true;
+    }
+    return false;
+  default: ASSERT(false, ("Wrong property:", static_cast<int>(property)));
+  }
+
+  return false;
+}
+
+}  // namespace df