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/*
* Copyright (C) 2021 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.settings.display;
import static android.hardware.SensorPrivacyManager.Sensors.CAMERA;
import static android.provider.Settings.Secure.CAMERA_AUTOROTATE;
import static androidx.lifecycle.Lifecycle.Event.ON_START;
import static androidx.lifecycle.Lifecycle.Event.ON_STOP;
import android.Manifest;
import android.app.settings.SettingsEnums;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.hardware.SensorPrivacyManager;
import android.os.PowerManager;
import android.provider.Settings;
import android.service.rotationresolver.RotationResolverService;
import android.text.TextUtils;
import androidx.lifecycle.Lifecycle;
import androidx.lifecycle.LifecycleObserver;
import androidx.lifecycle.OnLifecycleEvent;
import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.view.RotationPolicy;
import com.android.settings.core.TogglePreferenceController;
import com.android.settings.overlay.FeatureFactory;
import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
/**
* SmartAutoRotateController controls whether auto rotation is enabled
*/
public class SmartAutoRotateController extends TogglePreferenceController implements
Preference.OnPreferenceChangeListener, LifecycleObserver {
private final MetricsFeatureProvider mMetricsFeatureProvider;
private final SensorPrivacyManager mPrivacyManager;
private final PowerManager mPowerManager;
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
updateState(mPreference);
}
};
private Preference mPreference;
private RotationPolicy.RotationPolicyListener mRotationPolicyListener;
public SmartAutoRotateController(Context context, String preferenceKey) {
super(context, preferenceKey);
mMetricsFeatureProvider = FeatureFactory.getFactory(context).getMetricsFeatureProvider();
mPrivacyManager = SensorPrivacyManager.getInstance(context);
mPrivacyManager
.addSensorPrivacyListener(CAMERA, (sensor, enabled) -> updateState(mPreference));
mPowerManager = context.getSystemService(PowerManager.class);
}
public void init(Lifecycle lifecycle) {
lifecycle.addObserver(this);
}
@Override
public int getAvailabilityStatus() {
if (!isRotationResolverServiceAvailable(mContext)) {
return UNSUPPORTED_ON_DEVICE;
}
return !RotationPolicy.isRotationLocked(mContext) && hasSufficientPermission(mContext)
&& !isCameraLocked() && !isPowerSaveMode() ? AVAILABLE : DISABLED_DEPENDENT_SETTING;
}
@Override
public void updateState(Preference preference) {
super.updateState(preference);
if (preference != null) {
preference.setEnabled(getAvailabilityStatus() == AVAILABLE);
}
}
/**
* Need this because all controller tests use RoboElectric. No easy way to mock this service,
* so we mock the call we need
*/
@VisibleForTesting
boolean isCameraLocked() {
return mPrivacyManager.isSensorPrivacyEnabled(SensorPrivacyManager.Sensors.CAMERA);
}
@VisibleForTesting
boolean isPowerSaveMode() {
return mPowerManager.isPowerSaveMode();
}
@OnLifecycleEvent(ON_START)
public void onStart() {
mContext.registerReceiver(mReceiver,
new IntentFilter(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED));
if (mRotationPolicyListener == null) {
mRotationPolicyListener = new RotationPolicy.RotationPolicyListener() {
@Override
public void onChange() {
updateState(mPreference);
}
};
}
RotationPolicy.registerRotationPolicyListener(mContext, mRotationPolicyListener);
}
@OnLifecycleEvent(ON_STOP)
public void onStop() {
mContext.unregisterReceiver(mReceiver);
if (mRotationPolicyListener != null) {
RotationPolicy.unregisterRotationPolicyListener(mContext, mRotationPolicyListener);
mRotationPolicyListener = null;
}
}
@Override
public boolean isChecked() {
return !RotationPolicy.isRotationLocked(mContext) && hasSufficientPermission(mContext)
&& !isCameraLocked() && !isPowerSaveMode() && Settings.Secure.getInt(
mContext.getContentResolver(),
CAMERA_AUTOROTATE, 0) == 1;
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mPreference = screen.findPreference(getPreferenceKey());
}
@Override
public boolean setChecked(boolean isChecked) {
mMetricsFeatureProvider.action(mContext, SettingsEnums.ACTION_CAMERA_ROTATE_TOGGLE,
isChecked);
Settings.Secure.putInt(mContext.getContentResolver(),
CAMERA_AUTOROTATE,
isChecked ? 1 : 0);
return true;
}
static boolean isRotationResolverServiceAvailable(Context context) {
final PackageManager packageManager = context.getPackageManager();
final String resolvePackage = packageManager.getRotationResolverPackageName();
if (TextUtils.isEmpty(resolvePackage)) {
return false;
}
final Intent intent = new Intent(RotationResolverService.SERVICE_INTERFACE).setPackage(
resolvePackage);
final ResolveInfo resolveInfo = packageManager.resolveService(intent,
PackageManager.MATCH_SYSTEM_ONLY);
return resolveInfo != null && resolveInfo.serviceInfo != null;
}
static boolean hasSufficientPermission(Context context) {
final PackageManager packageManager = context.getPackageManager();
final String rotationPackage = packageManager.getRotationResolverPackageName();
return rotationPackage != null && packageManager.checkPermission(
Manifest.permission.CAMERA, rotationPackage) == PackageManager.PERMISSION_GRANTED;
}
}
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