SystemUtil.java

/*
 * Copyright 2016 Maxst, Inc. All Rights Reserved.
 */

package com.maxst.ar;

import android.content.Context;
import android.content.res.Configuration;
import android.os.Build;
import android.util.Log;
import android.view.Display;
import android.view.Surface;
import android.view.WindowManager;

class SystemUtil {

    private static final String TAG = SystemUtil.class.getSimpleName();

    private enum DeviceType {
        UNCLASSIFIED(0),
        SMARTPHONE_LIKE(1),
        TABLET_LIKE(2);

        private int value;

        private DeviceType(int value) {
            this.value = value;
        }

        int getValue() {
            return value;
        }
    }

    private static SystemUtil instance = null;

    static SystemUtil getInstance() {
        if (instance == null) {
            instance = new SystemUtil();
        }

        return instance;
    }

    private SystemUtil() {

    }

    int getDeviceType() {
        int deviceType = 0;

        Context context = MaxstARJNI.getContext();
        int currentWindowOrientation = context.getResources().getConfiguration().orientation;
        Display display = ((WindowManager)context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
        int displayRotation = display.getRotation();

        switch (currentWindowOrientation) {
            case 1:
            case 3:
                deviceType = (displayRotation == 0) || (displayRotation == 2) ? DeviceType.SMARTPHONE_LIKE.getValue() : DeviceType.TABLET_LIKE.getValue();
                break;

            case 2:
                deviceType = (displayRotation == 0) || (displayRotation == 2) ? DeviceType.TABLET_LIKE.getValue() : DeviceType.SMARTPHONE_LIKE.getValue();
                break;

            case 0:
        }

        Log.i(TAG, "deviceType : " + deviceType);

        return deviceType;
    }

    int getRealOrientation(int orientation) {
        int realOrientation = 3; // Landscape left
        int displayRotation = Surface.ROTATION_0;
        WindowManager windowManager = (WindowManager)MaxstAR.getApplicationContext().getSystemService(Context.WINDOW_SERVICE);
        displayRotation = windowManager.getDefaultDisplay().getRotation();

        if (Build.MODEL.equalsIgnoreCase("M300")) {
            if (Surface.ROTATION_0 == displayRotation) {
                realOrientation = 4; // Landscape right : Vuzix M300 default display rotation
            } else if (Surface.ROTATION_180 == displayRotation) {
                realOrientation = 3; // Landscape left
            } else {
                realOrientation = 1;
            }
        } else {
            if (orientation == Configuration.ORIENTATION_PORTRAIT) { // Portrait
                if (displayRotation == Surface.ROTATION_0) { // Phone portrait up
                    realOrientation = 1;
                } else if (displayRotation == Surface.ROTATION_180) { // Phone portrait down
                    realOrientation = 2;
                } else if (displayRotation == Surface.ROTATION_90) { // Tablet portrait down
                    realOrientation = 2;
                } else if (displayRotation == Surface.ROTATION_270) { // Tablet portrait up
                    realOrientation = 1;
                }
            } else if (orientation == Configuration.ORIENTATION_LANDSCAPE) { // Landscape
                if (displayRotation == Surface.ROTATION_0) { // Tablet landscape left
                    realOrientation = 3;
                } else if (displayRotation == Surface.ROTATION_180) { // Tablet landscape right
                    realOrientation = 4;
                } else if (displayRotation == Surface.ROTATION_270) {  // Phone landscape right
                    realOrientation = 4;
                }
            }
        }

        return realOrientation;
    }
}