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#pragma once
#include <unordered_map>
#include "base.h"
#include "application.h"
#include "timer.h"
namespace cru::ui::animations
{
using AnimationTimeUnit = FloatSecond;
using IAnimationDelegate = ICancelable;
using AnimationDelegatePtr = CancelablePtr;
using AnimationStepHandlerPtr = FunctionPtr<void(AnimationDelegatePtr, double)>;
using AnimationStartHandlerPtr = FunctionPtr<void(AnimationDelegatePtr)>;
namespace details
{
class Animation;
using AnimationPtr = std::unique_ptr<Animation>;
class AnimationManager : public Object
{
public:
static AnimationManager* GetInstance()
{
return Application::GetInstance()->GetAnimationManager();
}
public:
AnimationManager();
AnimationManager(const AnimationManager& other) = delete;
AnimationManager(AnimationManager&& other) = delete;
AnimationManager& operator=(const AnimationManager& other) = delete;
AnimationManager& operator=(AnimationManager&& other) = delete;
~AnimationManager() override;
AnimationDelegatePtr CreateAnimation(
String tag,
AnimationTimeUnit duration,
Vector<AnimationStepHandlerPtr> step_handlers,
Vector<AnimationStartHandlerPtr> start_handlers,
Vector<ActionPtr> finish_handlers,
Vector<ActionPtr> cancel_handlers
);
void RemoveAnimation(const String& tag);
private:
void SetTimer();
void KillTimer();
private:
std::unordered_map<String, AnimationPtr> animations_;
std::shared_ptr<ICancelable> timer_;
ActionPtr timer_action_;
};
}
class AnimationBuilder : public Object
{
public:
AnimationBuilder(String tag, const AnimationTimeUnit duration)
: tag(std::move(tag)), duration(duration)
{
}
String tag;
AnimationTimeUnit duration;
AnimationBuilder& AddStepHandler(AnimationStepHandlerPtr handler)
{
step_handlers_.push_back(std::move(handler));
return *this;
}
AnimationBuilder& AddStartHandler(AnimationStartHandlerPtr handler)
{
start_handlers_.push_back(std::move(handler));
return *this;
}
AnimationBuilder& AddFinishHandler(ActionPtr handler)
{
finish_handlers_.push_back(std::move(handler));
return *this;
}
AnimationBuilder& AddCancelHandler(ActionPtr handler)
{
cancel_handlers_.push_back(std::move(handler));
return *this;
}
AnimationDelegatePtr Start() const;
private:
Vector<AnimationStepHandlerPtr> step_handlers_;
Vector<AnimationStartHandlerPtr> start_handlers_;
Vector<ActionPtr> finish_handlers_;
Vector<ActionPtr> cancel_handlers_;
};
}
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