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#pragma once
#include "Base.hpp"
#include "cru/common/Base.hpp"
#include "cru/common/Event.hpp"
#include "cru/platform/graphics/Brush.hpp"
#include <boost/property_tree/ptree.hpp>
#include <cstddef>
#include <memory>
#include <stdexcept>
#include <string_view>
#include <unordered_map>
namespace cru::ui {
class BadThemeResourceException : public std::runtime_error {
public:
using std::runtime_error::runtime_error;
};
class ThemeManager : public Object {
public:
static ThemeManager* GetInstance();
private:
ThemeManager();
public:
CRU_DELETE_COPY(ThemeManager)
CRU_DELETE_MOVE(ThemeManager)
~ThemeManager() override = default;
IEvent<std::nullptr_t>* ThemeResourceChangeEvent() {
return &theme_resource_change_event_;
}
gsl::not_null<std::shared_ptr<platform::graphics::IBrush>> GetBrush(
StringView key);
private:
void Init();
private:
Event<std::nullptr_t> theme_resource_change_event_;
boost::property_tree::ptree theme_tree_;
std::unordered_map<String, std::shared_ptr<platform::graphics::IBrush>>
brushes_;
};
} // namespace cru::ui
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