package com.lin1987www.app;

import android.os.Parcel;
import android.os.Parcelable;

import java.util.HashMap;
import java.util.Map;

import de.greenrobot.event.EventBus;

public class StickyEventMap implements Parcelable {
    public final Map<String, Parcelable> stickyEvents = new HashMap<String, Parcelable>();

    public StickyEventMap(EventBus eventBus) {
        Map<Class<?>, Object> map = EventBusUtils.getStickyEvents(eventBus);
        for (Class<?> objClass : map.keySet()) {
            Object obj = map.get(objClass);
            if (obj instanceof Parcelable) {
                stickyEvents.put(objClass.getName(), (Parcelable) obj);
            }
        }
    }

    private StickyEventMap(Parcel in) {
        // Try save all objects who implements Parcelable sticky events
        try {
            int size = in.readInt();
            for (int i = 0; i < size; i++) {
                String className = in.readString();
                Class<?> objClass = Class.forName(className);
                Parcelable obj = in.readParcelable(objClass.getClassLoader());
                stickyEvents.put(className, obj);
            }
        } catch (Throwable e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public int describeContents() {
        return 0;
    }

    @Override
    public void writeToParcel(Parcel dest, int flags) {
        int size = stickyEvents.size();
        dest.writeInt(size);
        for (String className : stickyEvents.keySet()) {
            dest.writeString(className);
            dest.writeParcelable(stickyEvents.get(className), 0);
        }
    }

    public static final Creator<StickyEventMap> CREATOR = new Creator<StickyEventMap>() {
        public StickyEventMap createFromParcel(Parcel source) {
            return new StickyEventMap(source);
        }
        public StickyEventMap[] newArray(int size) {
            return new StickyEventMap[size];
        }
    };
}