f325e288b3
- remove unnecessary androidx dependency - Move OverlayTouchActivity to base package as this app does not deal with permissions anymore. Test: Built Change-Id: I055ac287f480e9ba47c54333e7994efe87648f1b
86 lines
2.8 KiB
Java
86 lines
2.8 KiB
Java
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.packageinstaller;
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import android.annotation.NonNull;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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/**
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* Receives uninstall events and persists them using a {@link EventResultPersister}.
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*/
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public class UninstallEventReceiver extends BroadcastReceiver {
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private static final Object sLock = new Object();
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private static EventResultPersister sReceiver;
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/**
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* Get the event receiver persisting the results
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*
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* @return The event receiver.
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*/
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@NonNull private static EventResultPersister getReceiver(@NonNull Context context) {
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synchronized (sLock) {
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if (sReceiver == null) {
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sReceiver = new EventResultPersister(
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TemporaryFileManager.getUninstallStateFile(context));
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}
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}
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return sReceiver;
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}
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@Override
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public void onReceive(Context context, Intent intent) {
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getReceiver(context).onEventReceived(context, intent);
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}
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/**
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* Add an observer. If there is already an event for this id, call back inside of this call.
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*
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* @param context A context of the current app
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* @param id The id the observer is for or {@code GENERATE_NEW_ID} to generate a new one.
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* @param observer The observer to call back.
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*
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* @return The id for this event
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*/
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static int addObserver(@NonNull Context context, int id,
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@NonNull EventResultPersister.EventResultObserver observer)
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throws EventResultPersister.OutOfIdsException {
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return getReceiver(context).addObserver(id, observer);
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}
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/**
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* Remove a observer.
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*
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* @param context A context of the current app
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* @param id The id the observer was added for
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*/
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static void removeObserver(@NonNull Context context, int id) {
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getReceiver(context).removeObserver(id);
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}
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/**
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* @param context A context of the current app
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*
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* @return A new uninstall id
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*/
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static int getNewId(@NonNull Context context) throws EventResultPersister.OutOfIdsException {
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return getReceiver(context).getNewId();
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}
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}
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