/* * Copyright (C) 2019 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.launcher3.util; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.os.PatternMatcher; import android.text.TextUtils; import androidx.annotation.Nullable; import java.util.function.Consumer; public class SimpleBroadcastReceiver extends BroadcastReceiver { private final Consumer mIntentConsumer; public SimpleBroadcastReceiver(Consumer intentConsumer) { mIntentConsumer = intentConsumer; } @Override public void onReceive(Context context, Intent intent) { mIntentConsumer.accept(intent); } /** * Helper method to register multiple actions */ public void register(Context context, String... actions) { context.registerReceiver(this, getFilter(actions)); } /** * Helper method to register multiple actions associated with a paction */ public void registerPkgActions(Context context, @Nullable String pkg, String... actions) { context.registerReceiver(this, getPackageFilter(pkg, actions)); } /** * Creates an intent filter to listen for actions with a specific package in the data field. */ public static IntentFilter getPackageFilter(String pkg, String... actions) { IntentFilter filter = getFilter(actions); filter.addDataScheme("package"); if (!TextUtils.isEmpty(pkg)) { filter.addDataSchemeSpecificPart(pkg, PatternMatcher.PATTERN_LITERAL); } return filter; } private static IntentFilter getFilter(String... actions) { IntentFilter filter = new IntentFilter(); for (String action : actions) { filter.addAction(action); } return filter; } /** * Unregisters the receiver ignoring any errors */ public void unregisterReceiverSafely(Context context) { try { context.unregisterReceiver(this); } catch (IllegalArgumentException e) { // It was probably never registered or already unregistered. Ignore. } } }