/*
 * Copyright (C) 2008 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.phone;

import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.telephony.PhoneNumberUtils;
import android.util.Config;
import android.util.Log;

/**
 * OutgoingCallReceiver receives NEW_OUTGOING_CALL broadcasts from
 * OutgoingCallBroadcaster, and passes them on to InCallScreen, possibly with
 * a modified phone number.
 */
public class OutgoingCallReceiver extends BroadcastReceiver {

    private static final String TAG = "OutgoingCallReceiver";
    private static final boolean LOGV = Config.LOGV;

    public void onReceive(Context context, Intent intent) {
        boolean alreadyCalled;
        String number;
        String originalUri;

        if (LOGV) Log.v(TAG, "Receiving intent " + intent + ".");

        alreadyCalled = intent.getBooleanExtra(
                OutgoingCallBroadcaster.EXTRA_ALREADY_CALLED, false);
        if (alreadyCalled) {
            if (LOGV) Log.v(TAG, "CALL already placed -- returning.");
            return;
        }

        number = getResultData();
        if (number == null) {
            if (LOGV) Log.v(TAG, "CALL cancelled -- returning.");
            return;
        } else if (PhoneNumberUtils.isEmergencyNumber(number)) {
            Log.w(TAG, "Cannot modify outgoing call to emergency number " + number + ".");
            return;
        }

        originalUri = intent.getStringExtra(
                OutgoingCallBroadcaster.EXTRA_ORIGINAL_URI);
        if (originalUri == null) {
            Log.e(TAG, "Intent is missing EXTRA_ORIGINAL_URI -- returning.");
            return;
        }

        Uri uri = Uri.parse(originalUri);

        if (LOGV) Log.v(TAG, "CALL to " + number + " proceeding.");

        Intent newIntent = new Intent(Intent.ACTION_CALL, uri);
        newIntent.putExtra(Intent.EXTRA_PHONE_NUMBER, number);
        newIntent.setClass(context, InCallScreen.class);
        newIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

        context.startActivity(newIntent);
    }

}