/*
 * 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;

/**
 * 闹钟接收器 - 负责接收闹钟触发事件并启动提醒界面
 * 当设置的闹钟时间到达时，AlarmManager会发送广播，此接收器会捕获该广播并启动提醒界面
 */
public class AlarmReceiver extends BroadcastReceiver {
    /**
     * 接收广播时调用
     * 将接收到的闹钟广播转换为启动提醒界面的意图
     */
    @Override
    public void onReceive(Context context, Intent intent) {
        // 将意图的目标类设置为AlarmAlertActivity（闹钟提醒界面）
        intent.setClass(context, AlarmAlertActivity.class);
        
        // 添加FLAG_ACTIVITY_NEW_TASK标志，确保在非Activity上下文（如BroadcastReceiver）中可以启动Activity
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        
        // 启动闹钟提 醒界面
        context.startActivity(intent);
    }
}
