Magic Cube

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// Copyright 2023 Leszek Koltunski                                                               //

//                                                                                               //

// This file is part of Magic Cube.                                                              //

//                                                                                               //

// Magic Cube is proprietary software licensed under an EULA which you should have received      //

// along with the code. If not, check https://distorted.org/magic/License-Magic-Cube.html        //

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package org.distorted.patternui;

import android.content.SharedPreferences;

import android.os.Build;

import android.os.Bundle;

import android.util.DisplayMetrics;

import android.view.DisplayCutout;

import android.view.View;

import android.view.ViewGroup;

import android.view.WindowManager;

import android.widget.LinearLayout;

import androidx.appcompat.app.AppCompatActivity;

import androidx.preference.PreferenceManager;

import org.distorted.dialogs.RubikDialogError;

import org.distorted.library.main.DistortedLibrary;

import org.distorted.library.main.DistortedScreen;

import org.distorted.main.MainActivity;

import org.distorted.main.R;

import org.distorted.objectlib.main.InitAssets;

import org.distorted.objectlib.main.ObjectControl;

import org.distorted.objectlib.main.TwistyObject;

import org.distorted.objects.RubikObject;

import org.distorted.objects.RubikObjectList;

import org.distorted.os.OSInterface;

import java.io.InputStream;

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public class PatternActivity extends AppCompatActivity

{

    public static final float RATIO_BAR       = 0.100f;

    public static final float PADDING         = 0.010f;

    public static final float SMALL_MARGIN    = 0.004f;

    public static final float BUTTON_TEXT_SIZE= 0.050f;

    public static final float TITLE_TEXT_SIZE = 0.045f;

    private static final int ACTIVITY_NUMBER = 5;

    private static final float RATIO_INSET= 0.09f;

    private static int mScreenWidth, mScreenHeight;

    private int mCurrentApiVersion;

    private int mHeightUpperBar;

    private int mObjectOrdinal;

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    @Override

    protected void onCreate(Bundle savedState)

      {

      setTheme(R.style.MaterialThemeNoActionBar);

      super.onCreate(savedState);

      DistortedLibrary.onCreate(ACTIVITY_NUMBER);

      setContentView(R.layout.pattern);

      hideNavigationBar();

      Bundle b = getIntent().getExtras();

      mObjectOrdinal = b!=null ? b.getInt("obj") : 0;

      DisplayMetrics displaymetrics = new DisplayMetrics();

      getWindowManager().getDefaultDisplay().getRealMetrics(displaymetrics);

      mScreenWidth =displaymetrics.widthPixels;

      mScreenHeight=displaymetrics.heightPixels;

      cutoutHack();

      computeBarHeights();

      }

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// this does not include possible insets

    private void computeBarHeights()

      {

      int barHeight = (int)(mScreenHeight*RATIO_BAR);

      mHeightUpperBar = barHeight;

      LinearLayout layoutTop = findViewById(R.id.upperBar);

      LinearLayout layoutBot = findViewById(R.id.lowerBar);

      ViewGroup.LayoutParams paramsTop = layoutTop.getLayoutParams();

      paramsTop.height = mHeightUpperBar;

      layoutTop.setLayoutParams(paramsTop);

      ViewGroup.LayoutParams paramsBot = layoutBot.getLayoutParams();

      paramsBot.height = barHeight;

      layoutBot.setLayoutParams(paramsBot);

      }

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    private void hideNavigationBar()

      {

      mCurrentApiVersion = Build.VERSION.SDK_INT;

      if(mCurrentApiVersion >= Build.VERSION_CODES.KITKAT)

        {

        final View decorView = getWindow().getDecorView();

        decorView.setSystemUiVisibility(MainActivity.FLAGS);

        decorView.setOnSystemUiVisibilityChangeListener(new View.OnSystemUiVisibilityChangeListener()

          {

          @Override

          public void onSystemUiVisibilityChange(int visibility)

            {

            if((visibility & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0)

              {

              decorView.setSystemUiVisibility(MainActivity.FLAGS);

              }

            }

          });

        }

      }

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    @Override

    public void onAttachedToWindow()

      {

      super.onAttachedToWindow();

      if( Build.VERSION.SDK_INT >= Build.VERSION_CODES.P )

        {

        DisplayCutout cutout = getWindow().getDecorView().getRootWindowInsets().getDisplayCutout();

        int insetHeight = cutout!=null ? cutout.getSafeInsetTop() : 0;

        LinearLayout layoutHid = findViewById(R.id.hiddenBar);

        ViewGroup.LayoutParams paramsHid = layoutHid.getLayoutParams();

        paramsHid.height = (int)(insetHeight*RATIO_INSET);

        layoutHid.setLayoutParams(paramsHid);

        mHeightUpperBar += paramsHid.height;

        }

      }

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// do not avoid cutouts

    private void cutoutHack()

      {

      if( Build.VERSION.SDK_INT >= Build.VERSION_CODES.P )

        {

        getWindow().getAttributes().layoutInDisplayCutoutMode = WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES;

        }

      }

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    @Override

    public void onWindowFocusChanged(boolean hasFocus)

      {

      super.onWindowFocusChanged(hasFocus);

      if( mCurrentApiVersion >= Build.VERSION_CODES.KITKAT && hasFocus )

        {

        getWindow().getDecorView().setSystemUiVisibility(MainActivity.FLAGS);

        }

      }

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    @Override

    protected void onPause() 

      {

      super.onPause();

      PatternSurfaceView view = findViewById(R.id.patternSurfaceView);

      view.onPause();

      DistortedLibrary.onPause(ACTIVITY_NUMBER);

      savePreferences();

      }

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    @Override

    protected void onResume() 

      {

      super.onResume();

      DistortedLibrary.onResume(ACTIVITY_NUMBER);

      PatternSurfaceView view = findViewById(R.id.patternSurfaceView);

      view.onResume();

      createObject();

      SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);

      restorePreferences(preferences);

      ScreenList.setScreen(this);

      }

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    @Override

    protected void onDestroy() 

      {

      DistortedLibrary.onDestroy(ACTIVITY_NUMBER);

      super.onDestroy();

      }

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    private void savePreferences()

      {

      SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);

      SharedPreferences.Editor editor = preferences.edit();

      for(int i=0; i< ScreenList.LENGTH; i++ )

        ScreenList.getScreen(i).getScreenClass().savePreferences(editor);

      ScreenList.savePreferences(editor);

      boolean success = editor.commit();

      if( !success ) android.util.Log.e("D", "Failed to save preferences");

      }

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    private void restorePreferences(SharedPreferences preferences)

      {

      for (int i=0; i<ScreenList.LENGTH; i++)

        ScreenList.getScreen(i).getScreenClass().restorePreferences(preferences);

      ScreenList.restorePreferences(preferences);

      }

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    void OpenGLError()

      {

      RubikDialogError errDiag = new RubikDialogError();

      errDiag.show(getSupportFragmentManager(), null);

      }

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// PUBLIC API

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    public TwistyObject getObject()

      {

      PatternSurfaceView view = findViewById(R.id.patternSurfaceView);

      return view.getObjectControl().getObject();

      }

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    public DistortedScreen getScreen()

      {

      PatternSurfaceView view = findViewById(R.id.patternSurfaceView);

      return view.getRenderer().getScreen();

      }

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    public ObjectControl getControl()

      {

      PatternSurfaceView view = findViewById(R.id.patternSurfaceView);

      return view.getObjectControl();

      }

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    public int getScreenWidthInPixels()

      {

      return mScreenWidth;

      }

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    public int getScreenHeightInPixels()

      {

      return mScreenHeight;

      }

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    public int getObjectOrdinal()

      {

      return mObjectOrdinal;

      }

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    public void createObject()

      {

      PatternSurfaceView view = findViewById(R.id.patternSurfaceView);

      ObjectControl control = view.getObjectControl();

      RubikObject object = RubikObjectList.getObject(mObjectOrdinal);

      int iconMode  = TwistyObject.MODE_NORM;

      InputStream jsonStream = object==null ? null : object.getObjectStream(this);

      InputStream meshStream = object==null ? null : object.getMeshStream(this);

      String name = object==null ? "NULL" : object.getUpperName();

      OSInterface os = view.getInterface();

      InitAssets asset = new InitAssets(jsonStream,meshStream,os);

      control.changeIfDifferent(mObjectOrdinal,name,iconMode,asset);

      }

}