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/*
* Copyright (C) 2010 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.systemui.statusbar.policy;
import static com.android.systemui.statusbar.policy.dagger.StatusBarPolicyModule.DEVICE_STATE_ROTATION_LOCK_DEFAULTS;
import android.Manifest;
import android.content.Context;
import android.content.pm.PackageManager;
import android.os.UserHandle;
import androidx.annotation.NonNull;
import com.android.internal.view.RotationPolicy.RotationPolicyListener;
import com.android.systemui.dagger.SysUISingleton;
import com.android.systemui.util.wrapper.RotationPolicyWrapper;
import java.util.concurrent.CopyOnWriteArrayList;
import javax.inject.Inject;
import javax.inject.Named;
/** Platform implementation of the rotation lock controller. **/
@SysUISingleton
public final class RotationLockControllerImpl implements RotationLockController {
private final CopyOnWriteArrayList<RotationLockControllerCallback> mCallbacks =
new CopyOnWriteArrayList<>();
private final RotationPolicyListener mRotationPolicyListener =
new RotationPolicyListener() {
@Override
public void onChange() {
notifyChanged();
}
};
private final RotationPolicyWrapper mRotationPolicy;
private final DeviceStateRotationLockSettingController
mDeviceStateRotationLockSettingController;
private final boolean mIsPerDeviceStateRotationLockEnabled;
@Inject
public RotationLockControllerImpl(
RotationPolicyWrapper rotationPolicyWrapper,
DeviceStateRotationLockSettingController deviceStateRotationLockSettingController,
@Named(DEVICE_STATE_ROTATION_LOCK_DEFAULTS) String[] deviceStateRotationLockDefaults
) {
mRotationPolicy = rotationPolicyWrapper;
mDeviceStateRotationLockSettingController = deviceStateRotationLockSettingController;
mIsPerDeviceStateRotationLockEnabled = deviceStateRotationLockDefaults.length > 0;
if (mIsPerDeviceStateRotationLockEnabled) {
mCallbacks.add(mDeviceStateRotationLockSettingController);
}
setListening(true);
}
@Override
public void addCallback(@NonNull RotationLockControllerCallback callback) {
mCallbacks.add(callback);
notifyChanged(callback);
}
@Override
public void removeCallback(@NonNull RotationLockControllerCallback callback) {
mCallbacks.remove(callback);
}
public int getRotationLockOrientation() {
return mRotationPolicy.getRotationLockOrientation();
}
public boolean isRotationLocked() {
return mRotationPolicy.isRotationLocked();
}
public boolean isCameraRotationEnabled() {
return mRotationPolicy.isCameraRotationEnabled();
}
public void setRotationLocked(boolean locked) {
mRotationPolicy.setRotationLock(locked);
}
public void setRotationLockedAtAngle(boolean locked, int rotation) {
mRotationPolicy.setRotationLockAtAngle(locked, rotation);
}
public boolean isRotationLockAffordanceVisible() {
return mRotationPolicy.isRotationLockToggleVisible();
}
@Override
public void setListening(boolean listening) {
if (listening) {
mRotationPolicy.registerRotationPolicyListener(mRotationPolicyListener,
UserHandle.USER_ALL);
} else {
mRotationPolicy.unregisterRotationPolicyListener(mRotationPolicyListener);
}
if (mIsPerDeviceStateRotationLockEnabled) {
mDeviceStateRotationLockSettingController.setListening(listening);
}
}
private void notifyChanged() {
for (RotationLockControllerCallback callback : mCallbacks) {
notifyChanged(callback);
}
}
private void notifyChanged(RotationLockControllerCallback callback) {
callback.onRotationLockStateChanged(mRotationPolicy.isRotationLocked(),
mRotationPolicy.isRotationLockToggleVisible());
}
public 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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