let pdaMain;
let filter;
let receiver;
let receiving = false;
/**
 * 开始广播监听扫码
 */
const start = () => {
    /* #ifdef APP-PLUS */
    if (!pdaMain)
        return;
    pdaMain.registerReceiver(receiver, filter);
    // console.log('pda scan started.');
    /* #endif */
}

/**
 * 停止广播监听扫码
 */
const stop = () => {
    /* #ifdef APP-PLUS */
    if (!pdaMain)
        return;
    pdaMain.unregisterReceiver(receiver);
    // console.log('pda scan stopped.');
    /* #endif */
}

/**
 * 定义广播
 */
const init = (receive) => {
    //获取activity
    /* #ifdef APP-PLUS */
    pdaMain = plus.android.runtimeMainActivity();
    const IntentFilter = plus.android.importClass('android.content.IntentFilter');
    filter = new IntentFilter();
    // 扫描设置的广播名称，霍尼韦尔：com.honeywell.scan，优博讯：android.intent.ACTION_DECODE_DATA
    // 肯麦思公司：com.android.server.scannerservice.broadcast
    filter.addAction("com.android.server.scannerservice.broadcast");

    // filter.addCategory('sn');
    receiver = plus.android.implements('io.dcloud.feature.internal.reflect.BroadcastReceiver', {
        onReceive: function(context, intent) {
            plus.android.importClass(intent);
            // 扫描设置的开发者选项--键值名称
            const code = intent.getStringExtra("scannerdata");
            //防重复
            if (receiving) return;
            receiving = true;
            setTimeout(function() {
                receiving = false;
            }, 300);
            receive(code);
        }
    });
    // console.log('pda scan inited.');
    /* #endif */

}

const destroy = () => {
    /* #ifdef APP-PLUS */
    receiver = undefined;
    filter = undefined;
    pdaMain = undefined;
    // console.log('pda scan destroied.');
    /* #endif */
}

export default {
    init,
    start,
    stop,
    destroy
};