Magic Cube

///////////////////////////////////////////////////////////////////////////////////////////////////

// Copyright 2020 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        //

///////////////////////////////////////////////////////////////////////////////////////////////////

package org.distorted.screens;

import java.lang.ref.WeakReference;

import android.app.Activity;

import android.content.Context;

import android.content.SharedPreferences;

import android.content.res.ColorStateList;

import android.content.res.Resources;

import android.os.Build;

import android.os.Bundle;

import android.util.TypedValue;

import android.view.Gravity;

import android.view.LayoutInflater;

import android.view.View;

import android.widget.Button;

import android.widget.GridLayout;

import android.widget.ImageButton;

import android.widget.LinearLayout;

import android.widget.PopupWindow;

import android.widget.RelativeLayout;

import android.widget.TextView;

import org.distorted.dialogs.RubikDialogStarsStatus;

import org.distorted.dialogs.RubikDialogUpdates;

import org.distorted.external.RubikNetwork;

import org.distorted.external.RubikScores;

import org.distorted.external.RubikUpdates;

import org.distorted.helpers.PopupCreator;

import org.distorted.main.R;

import org.distorted.main.RubikActivity;

import org.distorted.dialogs.RubikDialogAbout;

import org.distorted.dialogs.RubikDialogPattern;

import org.distorted.dialogs.RubikDialogScores;

import org.distorted.dialogs.RubikDialogTutorial;

import org.distorted.helpers.TransparentImageButton;

import org.distorted.objectlib.effects.BaseEffect;

import org.distorted.objectlib.main.ObjectControl;

import org.distorted.objects.RubikObject;

import org.distorted.objects.RubikObjectList;

import static android.view.View.GONE;

import static android.view.View.inflate;

import static org.distorted.main.RubikActivity.USE_IAP;

///////////////////////////////////////////////////////////////////////////////////////////////////

public class RubikScreenPlay extends RubikScreenBase implements RubikNetwork.Updatee

  {

  public static final int NUM_COLUMNS  = 5;

  public static final int LEVELS_SHOWN = 8;

  private static final int[] mLocation = new int[2];

  private TransparentImageButton mObjButton, mMenuButton, mSolveButton, mScrambleButton;

  private PopupWindow mObjectPopup, mMenuPopup;

  private WeakReference<RubikActivity> mWeakAct;

  private TextView mBubbleUpdates;

  private Button[] mLevel;

  private int mObjectSize, mMenuLayoutWidth, mMenuLayoutHeight, mMenuButtonHeight, mMenuTextSize;

  private int mLevelValue;

  private int mColCount, mRowCount, mMaxRowCount;

  private int mUpperBarHeight;

  private boolean mShouldReactToEndOfScrambling;

  private float mScreenWidth, mScreenHeight;

  private int mOldNumScramble;

///////////////////////////////////////////////////////////////////////////////////////////////////

  void leaveScreen(RubikActivity act)

    {

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  void enterScreen(final RubikActivity act)

    {

    mWeakAct = new WeakReference<>(act);

    mScreenWidth  = act.getScreenWidthInPixels();

    mScreenHeight = act.getScreenHeightInPixels();

    mUpperBarHeight = act.getHeightUpperBar();

    mMenuButtonHeight = (int)(mScreenHeight*RubikActivity.MENU_BUTTON_HEIGHT);

    mMenuTextSize     = (int)(mScreenHeight*RubikActivity.MENU_TEXT_SIZE);

    mObjectPopup = null;

    mOldNumScramble = 1000; // used to remember which 'level' buttons are visible; initially all visible

    // TOP ////////////////////////////

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

    layoutTop.removeAllViews();

    setupSolveButton(act);

    layoutTop.addView(mSolveButton);

    setupMenuButton(act,mScreenWidth);

    layoutTop.addView(mMenuButton);

    setupScrambleButton(act);

    layoutTop.addView(mScrambleButton);

    // BOTTOM /////////////////////////

    setupObjectButton(act,mScreenWidth);

    createBottomPane(act,mObjButton,null);

    }

//////////////////////////////////////////////////////////////////////////////////////////////////

  private void setupObjectButton(final RubikActivity act, final float width)

    {

    final int margin  = (int)(width*RubikActivity.SMALL_MARGIN);

    final int icon = RubikActivity.getDrawable(R.drawable.ui_small_cube_menu,R.drawable.ui_medium_cube_menu, R.drawable.ui_big_cube_menu, R.drawable.ui_huge_cube_menu);

    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,LinearLayout.LayoutParams.MATCH_PARENT,1.0f);

    mObjButton = new TransparentImageButton(act, icon, TransparentImageButton.GRAVITY_MIDDLE, params);

    mObjButton.setOnClickListener( new View.OnClickListener()

      {

      @Override

      public void onClick(View view)

        {

        if( mObjectPopup==null )

          {

          float width = act.getScreenWidthInPixels();

          float height= act.getScreenHeightInPixels();

          setupObjectWindow(act,width,height);

          }

        if( act.getControl().isUINotBlocked())

          {

          int rowCount = Math.min(mMaxRowCount,mRowCount);

          View popupView = mObjectPopup.getContentView();

          popupView.setSystemUiVisibility(RubikActivity.FLAGS);

          displayPopup(act,view,mObjectPopup,mObjectSize*mColCount,mObjectSize*rowCount+5*margin,margin,margin);

          }

        }

      });

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  private void setupMenuButton(final RubikActivity act, final float width)

    {

    final int icon = RubikActivity.getDrawable(R.drawable.ui_small_menu,R.drawable.ui_medium_menu, R.drawable.ui_big_menu, R.drawable.ui_huge_menu);

    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,LinearLayout.LayoutParams.MATCH_PARENT,1.0f);

    mMenuButton = new TransparentImageButton(act, icon, TransparentImageButton.GRAVITY_MIDDLE, params);

    mMenuButton.setOnClickListener( new View.OnClickListener()

      {

      @Override

      public void onClick(View view)

        {

        if( mMenuPopup==null )

          {

          float width = act.getScreenWidthInPixels();

          setupMenuWindow(act,width);

          }

        if( act.getControl().isUINotBlocked())

          {

          View popupView = mMenuPopup.getContentView();

          popupView.setSystemUiVisibility(RubikActivity.FLAGS);

          setupLevelButtonVisibilityAndColor(act);

          displayPopup(act,view,mMenuPopup,mMenuLayoutWidth,mMenuLayoutHeight,(int)(-mMenuLayoutWidth/2 + width/6),0);

          }

        }

      });

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  private void setupObjectWindow(final RubikActivity act, final float width, final float height)

    {

    int numObjects = RubikObjectList.getNumObjects();

    mRowCount = (numObjects + NUM_COLUMNS-1) / NUM_COLUMNS;

    mColCount = NUM_COLUMNS;

    int cubeSize = (int)(width/9);

    int margin   = (int)(width*RubikActivity.LARGE_MARGIN);

    int padding  = (int)(width*RubikActivity.POPUP_PADDING);

    mObjectSize  = (int)(cubeSize + 2*margin + 0.5f);

    mMaxRowCount = (int)((height-1.8f*mUpperBarHeight)/mObjectSize);

    LinearLayout view = (LinearLayout)inflate( act, R.layout.popup_object, null);

    GridLayout objectGrid = view.findViewById(R.id.objectGrid);

    RelativeLayout bottomLayout = view.findViewById(R.id.bottomLayout);

    setupBottomLayout(act,bottomLayout);

    PopupCreator.createObjectGrid(objectGrid,act,mRowCount,mColCount,numObjects,margin,cubeSize,padding);

    for(int child=0; child<numObjects; child++)

      {

      final RubikObject obj = RubikObjectList.getObject(child);

      View v = objectGrid.getChildAt(child);

      ImageButton button = PopupCreator.getButton(obj,v);

      final int ordinal = child;

      button.setOnClickListener( new View.OnClickListener()

        {

        @Override

        public void onClick(View v)

          {

          if( obj!=null && act.getControl().isUINotBlocked() && ScreenList.getCurrentScreen()==ScreenList.PLAY )

            {

            if( obj.isFree() )

              {

              RubikObjectList.setCurrObject(ordinal);

              act.changeObject(ordinal,true);

              if( mMenuPopup!=null ) setupLevelButtonVisibilityAndColor(act);

              mMovesController.clearMoves(act);

              }

            else

              {

              act.switchToPurchase(ordinal);

              }

            }

          if( mObjectPopup!=null ) mObjectPopup.dismiss();

          }

        });

      }

    mObjectPopup = new PopupWindow(act);

    mObjectPopup.setFocusable(true);

    mObjectPopup.setContentView(view);

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  private void setupBottomLayout(final RubikActivity act, final RelativeLayout layout)

    {

    int iconT = RubikActivity.getDrawable(R.drawable.ui_small_tutorial,R.drawable.ui_medium_tutorial, R.drawable.ui_big_tutorial, R.drawable.ui_huge_tutorial);

    int iconD = RubikActivity.getDrawable(R.drawable.ui_small_download,R.drawable.ui_medium_download, R.drawable.ui_big_download, R.drawable.ui_huge_download);

    int iconI = RubikActivity.getDrawable(R.drawable.ui_small_info,R.drawable.ui_medium_info, R.drawable.ui_big_info, R.drawable.ui_huge_info);

    ImageButton buttonTut = layout.findViewById(R.id.buttonTut);

    ImageButton buttonDow = layout.findViewById(R.id.buttonDow);

    ImageButton buttonInf = layout.findViewById(R.id.buttonInf);

    buttonTut.setImageResource(iconT);

    buttonDow.setImageResource(iconD);

    buttonInf.setImageResource(iconI);

    TypedValue outValue = new TypedValue();

    act.getTheme().resolveAttribute(android.R.attr.selectableItemBackgroundBorderless, outValue, true);

    buttonTut.setBackgroundResource(outValue.resourceId);

    buttonDow.setBackgroundResource(outValue.resourceId);

    buttonInf.setBackgroundResource(outValue.resourceId);

    buttonTut.setOnClickListener( new View.OnClickListener()

      {

      @Override

      public void onClick(View v)

        {

        if( mObjectPopup!=null ) mObjectPopup.dismiss();

        RubikDialogTutorial tDiag = new RubikDialogTutorial();

        tDiag.show( act.getSupportFragmentManager(), RubikDialogTutorial.getDialogTag() );

        }

      });

    buttonDow.setOnClickListener( new View.OnClickListener()

      {

      @Override

      public void onClick(View v)

        {

        if( mObjectPopup!=null ) mObjectPopup.dismiss();

        RubikDialogUpdates uDiag = new RubikDialogUpdates();

        uDiag.show( act.getSupportFragmentManager(), RubikDialogUpdates.getDialogTag() );

        }

      });

    buttonInf.setOnClickListener( new View.OnClickListener()

      {

      @Override

      public void onClick(View v)

        {

        if( mObjectPopup!=null ) mObjectPopup.dismiss();

        int currObject = RubikObjectList.getCurrObject();

        act.switchConfig(currObject);

        }

      });

    mBubbleUpdates = layout.findViewById(R.id.bubbleUpdates);

    mBubbleUpdates.setVisibility(View.INVISIBLE);

    RubikNetwork network = RubikNetwork.getInstance();

    network.signUpForUpdates(this);

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  void setupSolveButton(final RubikActivity act)

    {

    int icon = RubikActivity.getDrawable(R.drawable.ui_small_cube_solve,R.drawable.ui_medium_cube_solve, R.drawable.ui_big_cube_solve, R.drawable.ui_huge_cube_solve);

    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,LinearLayout.LayoutParams.MATCH_PARENT,1.0f);

    mSolveButton = new TransparentImageButton(act, icon, TransparentImageButton.GRAVITY_MIDDLE,params);

    mSolveButton.setOnClickListener( new View.OnClickListener()

      {

      @Override

      public void onClick(View v)

        {

        act.getControl().solveObject();

        mMovesController.clearMoves(act);

        }

      });

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  private void setupScrambleButton(final RubikActivity act)

    {

    int icon = RubikActivity.getDrawable(R.drawable.ui_small_cube_scramble,R.drawable.ui_medium_cube_scramble, R.drawable.ui_big_cube_scramble, R.drawable.ui_huge_cube_scramble);

    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,LinearLayout.LayoutParams.MATCH_PARENT,1.0f);

    mScrambleButton = new TransparentImageButton(act, icon, TransparentImageButton.GRAVITY_MIDDLE, params);

    mScrambleButton.setOnClickListener( new View.OnClickListener()

      {

      @Override

      public void onClick(View v)

        {

        mShouldReactToEndOfScrambling = false;

        int duration = BaseEffect.Type.FAST_SCRAMBLE.getDuration();

        act.getControl().fastScrambleObject(duration,RubikObject.FAST_SCRAMBLES);

        }

      });

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  private void setupMenuWindow(final RubikActivity act, final float width)

    {

    LayoutInflater layoutInflater = (LayoutInflater)act.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

    final View layout = layoutInflater.inflate(R.layout.popup_menu, null);

    mMenuPopup = new PopupWindow(act);

    mMenuPopup.setContentView(layout);

    mMenuPopup.setFocusable(true);

    int padding = (int)(width*RubikActivity.MEDIUM_MARGIN);

    int numButtons = USE_IAP ? 7 : 6;

    mMenuLayoutWidth = (int)(width*0.65f);

    mMenuLayoutHeight= padding + numButtons*(mMenuButtonHeight+padding) + 4*mMenuButtonHeight+6*padding;

    layout.setPadding(padding,0,padding,0);

    if( USE_IAP )

      {

      Button stars = layout.findViewById(R.id.menuStars);

      stars.setTextSize(TypedValue.COMPLEX_UNIT_PX, mMenuTextSize);

      stars.setOnClickListener( new View.OnClickListener()

          {

          @Override

          public void onClick(View v)

            {

            mMenuPopup.dismiss();

            RubikDialogStarsStatus d = new RubikDialogStarsStatus();

            d.show(act.getSupportFragmentManager(), null);

            }

          });

      }

    else

      {

      Button stars = layout.findViewById(R.id.menuStars);

      stars.setVisibility(GONE);

      }

    Button highScores = layout.findViewById(R.id.menuHighScores);

    highScores.setTextSize(TypedValue.COMPLEX_UNIT_PX, mMenuTextSize);

    highScores.setOnClickListener( new View.OnClickListener()

        {

        @Override

        public void onClick(View v)

          {

          mMenuPopup.dismiss();

          Bundle sBundle = new Bundle();

          int currObject = RubikObjectList.getCurrObject();

          sBundle.putInt("tab", currObject );

          sBundle.putBoolean("submitting", false);

          RubikDialogScores scores = new RubikDialogScores();

          scores.setArguments(sBundle);

          scores.show(act.getSupportFragmentManager(), null);

          }

        });

    Button prettyPatterns = layout.findViewById(R.id.menuPrettyPatterns);

    prettyPatterns.setTextSize(TypedValue.COMPLEX_UNIT_PX, mMenuTextSize);

    prettyPatterns.setOnClickListener( new View.OnClickListener()

        {

        @Override

        public void onClick(View v)

          {

          mMenuPopup.dismiss();

          RubikDialogPattern pDiag = new RubikDialogPattern();

          pDiag.show( act.getSupportFragmentManager(), RubikDialogPattern.getDialogTag() );

          }

        });

    Button solver = layout.findViewById(R.id.menuSolver);

    solver.setTextSize(TypedValue.COMPLEX_UNIT_PX, mMenuTextSize);

    solver.setOnClickListener( new View.OnClickListener()

        {

        @Override

        public void onClick(View v)

          {

          mMenuPopup.dismiss();

          ScreenList.switchScreen(act, ScreenList.SVER);

          }

        });

    Button tutorials = layout.findViewById(R.id.menuTutorials);

    tutorials.setTextSize(TypedValue.COMPLEX_UNIT_PX, mMenuTextSize);

    tutorials.setOnClickListener( new View.OnClickListener()

        {

        @Override

        public void onClick(View v)

          {

          mMenuPopup.dismiss();

          RubikDialogTutorial tDiag = new RubikDialogTutorial();

          tDiag.show( act.getSupportFragmentManager(), RubikDialogTutorial.getDialogTag() );

          }

        });

    Button bandaged = layout.findViewById(R.id.menuBandaged);

    bandaged.setTextSize(TypedValue.COMPLEX_UNIT_PX, mMenuTextSize);

    bandaged.setOnClickListener( new View.OnClickListener()

        {

        @Override

        public void onClick(View v)

          {

          mMenuPopup.dismiss();

          act.switchToBandagedCreator();

          }

        });

    Button about = layout.findViewById(R.id.menuAbout);

    about.setTextSize(TypedValue.COMPLEX_UNIT_PX, mMenuTextSize);

    about.setOnClickListener( new View.OnClickListener()

        {

        @Override

        public void onClick(View v)

          {

          mMenuPopup.dismiss();

          RubikDialogAbout aDiag = new RubikDialogAbout();

          aDiag.show(act.getSupportFragmentManager(), null);

          }

        });

    TextView levels = layout.findViewById(R.id.menuLevels);

    levels.setTextSize(TypedValue.COMPLEX_UNIT_PX, mMenuTextSize);

    setupLevelButtons(act,layout,padding);

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  private void setupLevelButtons(RubikActivity act, View layout, int padding)

    {

    int sizeW = (mMenuLayoutWidth-4*padding)/3;

    int sizeH = (int)(sizeW*0.8f);

    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(sizeW,sizeH);

    params.setMargins(padding/2,0,padding/2,0);

    mLevel = new Button[LEVELS_SHOWN+1];

    mLevel[0] = layout.findViewById(R.id.level1);

    mLevel[1] = layout.findViewById(R.id.level2);

    mLevel[2] = layout.findViewById(R.id.level3);

    mLevel[3] = layout.findViewById(R.id.level4);

    mLevel[4] = layout.findViewById(R.id.level5);

    mLevel[5] = layout.findViewById(R.id.level6);

    mLevel[6] = layout.findViewById(R.id.level7);

    mLevel[7] = layout.findViewById(R.id.level8);

    mLevel[8] = layout.findViewById(R.id.levelM);

    for(int i=0; i<=LEVELS_SHOWN; i++)

      {

      final int ii = i;

      mLevel[i].setTextSize(TypedValue.COMPLEX_UNIT_PX, mMenuTextSize);

      mLevel[i].setLayoutParams(params);

      mLevel[i].setOnClickListener( new View.OnClickListener()

        {

        @Override

        public void onClick(View v)

          {

          ObjectControl control = act.getControl();

          if(control.isUINotBlocked())

            {

            if( mMenuPopup!=null ) mMenuPopup.dismiss();

            int currObject = RubikObjectList.getCurrObject();

            RubikObject object = RubikObjectList.getObject(currObject);

            final int scrambles = ii<LEVELS_SHOWN ? ii+1 : (object==null ? 0 : object.getNumScramble());

            mLevelValue = ii+1;

            mShouldReactToEndOfScrambling = true;

            control.scrambleObject(scrambles);

            }

          }

        });

      }

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  private void setupLevelButtonVisibilityAndColor(RubikActivity act)

    {

    int currObject = RubikObjectList.getCurrObject();

    RubikObject object = RubikObjectList.getObject(currObject);

    int numScramble = object==null ? 1 : object.getNumScramble();

    RubikScores scores = RubikScores.getInstance();

    Resources res = act.getResources();

    ColorStateList colorG = ColorStateList.valueOf(res.getColor(R.color.green));

    ColorStateList colorD = ColorStateList.valueOf(res.getColor(R.color.dark_grey));

    for(int level=0; level<=LEVELS_SHOWN; level++)

      {

      boolean isSolved = scores.isSolved(currObject,level);

      mLevel[level].setBackgroundTintList( isSolved ? colorG : colorD);

      }

    if( numScramble<=LEVELS_SHOWN || mOldNumScramble<=LEVELS_SHOWN )

      {

      if( numScramble<mOldNumScramble )

        {

        int max = Math.min(LEVELS_SHOWN,mOldNumScramble-1);

        for(int level=numScramble; level<=max; level++) mLevel[level].setVisibility(View.INVISIBLE);

        mLevel[numScramble-1].setText(R.string.levelM);

        }

      if( numScramble>mOldNumScramble )

        {

        int max = Math.min(LEVELS_SHOWN,numScramble-1);

        mLevel[mOldNumScramble-1].setText( String.valueOf(mOldNumScramble) );

        for(int level=mOldNumScramble; level<=max; level++)

          {

          mLevel[level].setVisibility(View.VISIBLE);

          if( level<max ) mLevel[level].setText( String.valueOf(level+1) );

          else            mLevel[level].setText( R.string.levelM );

          }

        }

      }

    mOldNumScramble = numScramble;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

// This is necessary! Otherwise the ObjectPopup will not be re-created next time and we will still

// hold a reference to the old instance of the RubikActivity class (because setupObjectWindow is not

// going to be called)

// An reference to the old instance of RubikActivity will cause all sorts of strange issues.

  public void savePreferences(SharedPreferences.Editor editor)

    {

    editor.putInt("play_LevelValue", mLevelValue );

    if( mObjectPopup!=null )

      {

      mObjectPopup.dismiss();

      mObjectPopup = null;

      }

    if( mMenuPopup!=null )

      {

      mMenuPopup.dismiss();

      mMenuPopup = null;

      }

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  public void restorePreferences(SharedPreferences preferences)

    {

    mLevelValue = preferences.getInt("play_LevelValue", 0);

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

// work around lame bugs in Android's version <= 10 pop-up and split-screen modes

  private void displayPopup(RubikActivity act, View view, PopupWindow window, int w, int h, int xoff, int yoff)

    {

    View topLayout = act.findViewById(R.id.relativeLayout);

    boolean isFullScreen;

    if( topLayout!=null )

      {

      topLayout.getLocationOnScreen(mLocation);

      isFullScreen = (mLocation[1]==0);

      }

    else

      {

      isFullScreen = true;

      }

    try

      {

      // if on Android 11 or we are fullscreen

      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R || isFullScreen )

        {

        window.showAsDropDown(view, xoff, yoff, Gravity.CENTER);

        window.update(view, w, h);

        }

      else  // Android 10 or below in pop-up mode or split-screen mode

        {

        view.getLocationOnScreen(mLocation);

        int width  = view.getWidth();

        int height = view.getHeight();

        int x = mLocation[0]+(width-w)/2;

        int y = mLocation[1]+height+yoff;

        window.showAsDropDown(view);

        window.update(x,y,w,h);

        }

      }

    catch( IllegalArgumentException iae )

      {

      // ignore, this means window is 'not attached to window manager' -

      // which most probably is because we are already exiting the app.

      }

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  public int getLevel()

    {

    return mLevelValue;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  public void recreatePopup()

    {

    mObjectPopup = null;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  public boolean shouldReactToEndOfScrambling()

    {

    return mShouldReactToEndOfScrambling;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  public void receiveUpdate(RubikUpdates updates)

    {

    Activity act = mWeakAct.get();

    if( act!=null )

      {

      act.runOnUiThread(new Runnable()

        {

        @Override

        public void run()

          {

          int num = updates.getCompletedNumber();

          if( num>0 )

            {

            String shownNum = String.valueOf(num);

            mBubbleUpdates.setText(shownNum);

            mBubbleUpdates.setVisibility(View.VISIBLE);

            int height = (int)(0.05f*mScreenWidth);

            mBubbleUpdates.setTextSize(TypedValue.COMPLEX_UNIT_PX,height);

            }

         else

            {

            mBubbleUpdates.setVisibility(View.INVISIBLE);

            }

          }

        });

      }

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  public void errorUpdate()

    {

    android.util.Log.e("D", "RubikScreenPlay: Error receiving downloaded objects update");

    }

  }