Lightning Launcher

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====== About the script ======
  * Purpose : this script automatically sets up app freezing on long tap
  * Author : cdfa
  * Link: https://plus.google.com/+JaroslavGrochal/posts/BDKDMrTMfxt

====== How to use the script ======

run script from an container and all items in that container which don't already have a custom long tap eventhandler will now freeze on long tap.

====== Script code ======
<sxh javascript>

var e = LL.getEvent();
var it = e.getItem();
if(it==null){
  var c = e.getContainer();
  c.getProperties().edit().setEventHandler("i.longTap", EventHandler.RUN_SCRIPT, LL.getCurrentScript().getId()).commit();
}else{
  LL.bindClass("java.io.File");
  LL.bindClass("android.content.Context");
  LL.bindClass("java.io.FileInputStream")
  LL.bindClass("java.io.FileOutputStream")
  LL.bindClass("android.graphics.BitmapFactory")
  LL.bindClass("android.graphics.Bitmap")
  LL.bindClass("android.graphics.Canvas")
  LL.bindClass("android.graphics.ColorMatrix")
  LL.bindClass("android.graphics.ColorMatrixColorFilter")
  
  var context = LL.getContext();
  var storeDir = new File(context.getFilesDir(), "unfreezeColorImages");
  if(!storeDir.exists())storeDir.mkdir();
  
  function saveImage(bmp){
    var out = null;
    try {
      out = new FileOutputStream(storeDir.getPath()+"/"+it.getId()+".png");
      bmp.compress(Bitmap.CompressFormat.PNG, 100, out);
      // PNG is a lossless format, the compression factor (100) is ignored 
    } catch (e) {
       throw(e);
    } finally {
      try {
        if (out != null) out.close();
      } catch (e) {
        throw(e);
      }
    }
  }
  
  function toGrayscale(bmpOriginal) {
    var imgGrayscale = LL.createImage(bmpOriginal.getWidth(), bmpOriginal.getHeight())
    var canv = imgGrayscale.draw();
    var paint = new Paint();
    var cm = new ColorMatrix();
    cm.setSaturation(0);
    var f = new ColorMatrixColorFilter(cm);
    paint.setColorFilter(f);
    canv.drawBitmap(bmpOriginal, 0, 0, paint);
    return imgGrayscale;
  }
  
  LL.runAction(EventHandler.LAUNCH_SHORTCUT, "#Intent;action=ccc71.at.freeze;launchFlags=0x34000000;component=ccc71.at.free/ccc71.at.activities.tweaks.at_tweaker_activity;S.ccc71.at.packagename="+it.getIntent().getComponent().getPackageName()+";end")
  var frozen = it.getTag("frozen");
  if(frozen=="true"){
    if(it.getTag("customIcon")=="true"){
      var path = storeDir.getPath()+"/"+it.getId()+".png";
      it.setCustomIcon(LL.createImage(path));
      it.getCustomIcon().save();
      var bmp = new File(path);
      bmp.delete();
    }else{
      it.setCustomIcon(null);
    }
    it.setTag("frozen",false);
  }else{
    var img = it.getCustomIcon();
    if(img==null){
      img = it.getDefaultIcon();
      it.setTag("customIcon", false);
    }else{
      it.setTag("customIcon", true);
    }
    var bmp = img.getBitmap();
    saveImage(bmp);
    it.setCustomIcon(toGrayscale(bmp))
    it.setTag("frozen",true);
  }
}

</sxh>
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