NitrogenSettings.java

/*
 * Copyright (C) 2016 The Pure Nexus Project
 * used for Nitrogen OS
 *
 * 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.nitrogen.settings;

import com.android.internal.logging.MetricsProto.MetricsEvent;

import android.app.Activity;
import android.content.pm.ActivityInfo;
import android.content.res.Configuration;
import android.os.Bundle;
import android.view.Surface;
import android.preference.Preference;
import com.android.settings.R;

import com.android.settings.SettingsPreferenceFragment;

public class NitrogenSettings extends SettingsPreferenceFragment {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        addPreferencesFromResource(R.xml.nitrogen_settings);
    }

    @Override
    protected int getMetricsCategory() {
        return MetricsEvent.NITROGEN_SETTINGS;
    }

    public static void lockCurrentOrientation(Activity activity) {
        int currentRotation = activity.getWindowManager().getDefaultDisplay().getRotation();
        int orientation = activity.getResources().getConfiguration().orientation;
        int frozenRotation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
        switch (currentRotation) {
            case Surface.ROTATION_0:
                frozenRotation = orientation == Configuration.ORIENTATION_LANDSCAPE
                        ? ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE
                        : ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
                break;
            case Surface.ROTATION_90:
                frozenRotation = orientation == Configuration.ORIENTATION_PORTRAIT
                        ? ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT
                        : ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
                break;
            case Surface.ROTATION_180:
                frozenRotation = orientation == Configuration.ORIENTATION_LANDSCAPE
                        ? ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE
                        : ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
                break;
            case Surface.ROTATION_270:
                frozenRotation = orientation == Configuration.ORIENTATION_PORTRAIT
                        ? ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
                        : ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
                break;
        }
        activity.setRequestedOrientation(frozenRotation);
    }
}