/*
 * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
 *
 * 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 net.micode.notes.ui;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;

/**
 * 便签提醒广播接收器，负责接收系统闹钟触发的广播，并启动提醒展示界面
 * 是小米便签提醒流程中连接闹钟触发与提醒展示的中间组件
 */
public class AlarmReceiver extends BroadcastReceiver {
    /**
     * 接收广播时触发的回调方法
     * @param context 上下文环境，用于启动Activity
     * @param intent 接收到的意图，包含触发提醒的便签信息（如便签ID）
     */
    @Override
    public void onReceive(Context context, Intent intent) {
        // 将意图的目标组件设置为AlarmAlertActivity（便签提醒展示界面）
        // 确保广播中携带的便签信息（如Data中的便签ID）被传递给目标界面
        intent.setClass(context, AlarmAlertActivity.class);

        // 添加FLAG_ACTIVITY_NEW_TASK标志：在BroadcastReceiver中启动Activity必须设置此标志
        // 因为BroadcastReceiver本身没有任务栈，需要为启动的Activity创建新任务栈
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

        // 启动AlarmAlertActivity，展示便签提醒对话框并播放铃声
        context.startActivity(intent);
    }
}