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/*
* 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.settings.display;
import android.content.Context;
import android.os.Handler;
import android.os.Looper;
import android.os.ServiceManager;
import android.provider.Settings;
import android.util.Log;
import android.view.IWindowManager;
import androidx.preference.ListPreference;
import androidx.preference.Preference;
import com.android.settings.R;
import com.android.settings.core.BasePreferenceController;
import java.util.HashMap;
import java.util.Map;
public class LockUserRotationPreferenceController extends BasePreferenceController implements
Preference.OnPreferenceChangeListener {
private static final String TAG = "LockRotation";
private final Map<String, String> mRotationValueToTitleMap;
private int mUserRotation;
private Handler mHandler;
private IWindowManager mWindowManager;
public LockUserRotationPreferenceController(Context context, String preferenceKey) {
super(context, preferenceKey);
mHandler = new Handler(Looper.getMainLooper());
mWindowManager = IWindowManager.Stub.asInterface(
ServiceManager.getService(Context.WINDOW_SERVICE));
mRotationValueToTitleMap = new HashMap<>();
initDisplayRotation();
}
@Override
public int getAvailabilityStatus() {
return AVAILABLE;
}
@Override
public boolean onPreferenceChange(Preference preference, Object object) {
if (!(preference instanceof ListPreference)) {
return false;
}
final ListPreference listPreference = (ListPreference) preference;
mUserRotation = Integer.parseInt((String) object);
updateState(listPreference);
Log.d(TAG, "freeze Rotation to " + mUserRotation);
mHandler.postDelayed(() -> {
try {
mWindowManager.freezeRotation(mUserRotation);
} catch (Exception e) {
Log.e(TAG, "Failed to set user rotation", e);
}
}, 150);
return true;
}
@Override
public void updateState(Preference preference) {
super.updateState(preference);
if (!(preference instanceof ListPreference)) {
return;
}
final ListPreference listPreference = (ListPreference) preference;
listPreference.setValue(getUserRotationValue());
}
@Override
public CharSequence getSummary() {
return mRotationValueToTitleMap.get(getUserRotationValue());
}
private String getUserRotationValue() {
return String.valueOf(mUserRotation);
}
private void initDisplayRotation() {
if (mRotationValueToTitleMap.size() == 0) {
final String[] rotationValues = mContext.getResources().getStringArray(
R.array.user_rotation_values);
final String[] rotationTitles = mContext.getResources().getStringArray(
R.array.user_rotation_entries);
final int rotationValueCount = rotationValues.length;
mRotationValueToTitleMap.put(rotationValues[0], "natural orientation");
for (int i = 1; i < rotationValueCount; i++) {
mRotationValueToTitleMap.put(rotationValues[i],
"clockwise " + rotationTitles[i] + "-degree");
}
try {
mUserRotation = mWindowManager.getDefaultDisplayRotation();
} catch (Exception e) {
Log.e(TAG, "Failed to get default rotation", e);
mUserRotation = Integer.parseInt(rotationValues[0]);
}
}
}
}