febccc4990
This will fix a memory leak caused by dangling SensorPrivacy listeners. Test: opened/closed display and auto-rotate fragment and verified no leaks in android studio profiler Bug: 244382423 Change-Id: Ie2d070e796fa473e8f2794c9934c62edc4f7092c
100 lines
3.6 KiB
Java
100 lines
3.6 KiB
Java
/*
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* Copyright (C) 2021 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.settings.display;
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import static android.hardware.SensorPrivacyManager.Sensors.CAMERA;
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import static android.hardware.SensorPrivacyManager.Sources.DIALOG;
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import static androidx.lifecycle.Lifecycle.Event.ON_START;
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import static androidx.lifecycle.Lifecycle.Event.ON_STOP;
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import static com.android.settings.display.SmartAutoRotateController.isRotationResolverServiceAvailable;
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import android.content.Context;
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import android.hardware.SensorPrivacyManager;
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import androidx.lifecycle.LifecycleObserver;
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import androidx.lifecycle.OnLifecycleEvent;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceScreen;
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import com.android.internal.annotations.VisibleForTesting;
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import com.android.settings.R;
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import com.android.settings.core.BasePreferenceController;
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import com.android.settingslib.widget.BannerMessagePreference;
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/**
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* The controller of camera based rotate privacy sensor warning preference. The preference appears
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* when the privacy sensor service disables camera functionality completely.
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*/
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public class SmartAutoRotateCameraStateController extends BasePreferenceController implements
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LifecycleObserver {
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private final SensorPrivacyManager mPrivacyManager;
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private Preference mPreference;
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private final SensorPrivacyManager.OnSensorPrivacyChangedListener mPrivacyChangedListener =
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new SensorPrivacyManager.OnSensorPrivacyChangedListener() {
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@Override
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public void onSensorPrivacyChanged(int sensor, boolean enabled) {
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if (mPreference != null) {
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mPreference.setVisible(isAvailable());
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}
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updateState(mPreference);
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}
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};
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public SmartAutoRotateCameraStateController(Context context, String key) {
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super(context, key);
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mPrivacyManager = SensorPrivacyManager.getInstance(context);
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}
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@OnLifecycleEvent(ON_START)
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public void onStart() {
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mPrivacyManager.addSensorPrivacyListener(CAMERA, mPrivacyChangedListener);
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}
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@OnLifecycleEvent(ON_STOP)
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public void onStop() {
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mPrivacyManager.removeSensorPrivacyListener(CAMERA, mPrivacyChangedListener);
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}
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@VisibleForTesting
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boolean isCameraLocked() {
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return mPrivacyManager.isSensorPrivacyEnabled(SensorPrivacyManager.Sensors.CAMERA);
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}
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@Override
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public void displayPreference(PreferenceScreen screen) {
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super.displayPreference(screen);
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mPreference = screen.findPreference(getPreferenceKey());
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((BannerMessagePreference) mPreference)
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.setPositiveButtonText(R.string.allow)
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.setPositiveButtonOnClickListener(v -> {
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mPrivacyManager.setSensorPrivacy(DIALOG, CAMERA, false);
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});
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}
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@Override
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@AvailabilityStatus
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public int getAvailabilityStatus() {
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return isRotationResolverServiceAvailable(mContext)
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&& isCameraLocked() ? AVAILABLE_UNSEARCHABLE : UNSUPPORTED_ON_DEVICE;
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}
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}
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