#include "animtimer.h"
#include "lottieicon.h"

AnimTimer::AnimTimer() {
    m_timer.setInterval(33);
    connect(&m_timer, &QTimer::timeout, this, &AnimTimer::onTimer);
    m_timer.start();
}

AnimTimer *AnimTimer::instance() {
    static AnimTimer s;
    return &s;
}

void AnimTimer::registerIcon(const QString &key, LottieIcon *icon) {
    m_icons.insert(key, icon);
}

void AnimTimer::unregisterIcon(const QString &key) {
    m_icons.remove(key);
}

LottieIcon *AnimTimer::icon(const QString &key) const {
    return m_icons.value(key, nullptr);
}

void AnimTimer::activate() {
    if (m_activeRef++ == 0) {
        for (auto *icon : m_icons)
            icon->advanceFrame();
        emit ticked();
    }
}

void AnimTimer::deactivate() {
    if (m_activeRef > 0) m_activeRef--;
}

void AnimTimer::onTimer() {
    if (m_activeRef <= 0) return;
    for (auto *icon : m_icons)
        icon->advanceFrame();
    emit ticked();
}