/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.providers.media;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.WindowManager;

import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;

public class GetResultActivity extends Activity {
    private static LinkedBlockingQueue<Result> sResult;

    public static class Result {
        public final int requestCode;
        public final int resultCode;
        public final Intent data;

        public Result(int requestCode, int resultCode, Intent data) {
            this.requestCode = requestCode;
            this.resultCode = resultCode;
            this.data = data;
        }
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
                | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
                | WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        try {
            sResult.offer(new Result(requestCode, resultCode, data), 5, TimeUnit.SECONDS);
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }

        finish();
    }

    public void clearResult() {
        sResult = new LinkedBlockingQueue<>();
    }

    public Result getResult() {
        final Result result;
        try {
            result = sResult.poll(30, TimeUnit.SECONDS);
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }
        if (result == null) {
            throw new IllegalStateException("Activity didn't receive a Result in 30 seconds");
        }
        return result;
    }

    public Result getResult(long timeout, TimeUnit unit) {
        try {
            return sResult.poll(timeout, unit);
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }
    }
}