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/*
* Copyright (C) 2017 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.internal.telephony;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.UserHandle;
import android.util.Log;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
/**
* This class is used to broadcast intents that need to be rebroadcast after the device is unlocked.
* NOTE: Currently this is used only for SIM_STATE_CHANGED so logic is hardcoded for that;
* for example broadcasts are always sticky, only the last intent for the slotId is rebroadcast,
* etc.
*/
public class IntentBroadcaster {
private static final String TAG = "IntentBroadcaster";
private Map<Integer, Intent> mRebroadcastIntents = new HashMap<>();
private static IntentBroadcaster sIntentBroadcaster;
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (action.equals(Intent.ACTION_USER_UNLOCKED)) {
synchronized (mRebroadcastIntents) {
// rebroadcast intents
Iterator iterator = mRebroadcastIntents.entrySet().iterator();
while (iterator.hasNext()) {
Map.Entry pair = (Map.Entry) iterator.next();
Intent i = (Intent) pair.getValue();
i.putExtra(Intent.EXTRA_REBROADCAST_ON_UNLOCK, true);
iterator.remove();
logd("Rebroadcasting intent " + i.getAction() + " "
+ i.getStringExtra(IccCardConstants.INTENT_KEY_ICC_STATE)
+ " for slotId " + pair.getKey());
context.sendStickyBroadcastAsUser(i, UserHandle.ALL);
}
}
}
}
};
private IntentBroadcaster(Context context) {
context.registerReceiver(mReceiver, new IntentFilter(Intent.ACTION_USER_UNLOCKED));
}
/**
* Method to get an instance of IntentBroadcaster after creating one if needed.
* @return IntentBroadcaster instance
*/
public static IntentBroadcaster getInstance(Context context) {
if (sIntentBroadcaster == null) {
sIntentBroadcaster = new IntentBroadcaster(context);
}
return sIntentBroadcaster;
}
public static IntentBroadcaster getInstance() {
return sIntentBroadcaster;
}
/**
* Wrapper for ActivityManager.broadcastStickyIntent() that also stores intent to be rebroadcast
* on USER_UNLOCKED
*/
public void broadcastStickyIntent(Context context, Intent intent, int phoneId) {
logd("Broadcasting and adding intent for rebroadcast: " + intent.getAction() + " "
+ intent.getStringExtra(IccCardConstants.INTENT_KEY_ICC_STATE)
+ " for phoneId " + phoneId);
synchronized (mRebroadcastIntents) {
context.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
mRebroadcastIntents.put(phoneId, intent);
}
}
private void logd(String s) {
Log.d(TAG, s);
}
}
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