package com.algobase.activity;

import android.app.Activity;
import android.app.AlertDialog;

import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.Resources;

import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.Point;

import android.os.Bundle;
import android.os.Handler;
import android.os.Build;

import android.util.TypedValue;

import android.view.Display;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.view.Window;
import android.view.WindowManager;

import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.webkit.DownloadListener;

import android.net.Uri;

import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.ScrollView;
import android.widget.Toast;

import com.algobase.share.dialog.*;
import com.algobase.stracks.R;



public class WebViewActivity extends Activity {


   static int full_screen = View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
                            View.SYSTEM_UI_FLAG_FULLSCREEN |
                            View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;



   String home_url = "http://www.google.de";
    
	//MyWebView webview;
	WebView webview;
        ScrollView scrollview;
	ProgressBar progress_bar;

        Display display;

        View decor_view;

        int window_width;
        int initial_scale = 100;
        
        Handler handler;

        String[] bookmark_name;
        String[] bookmark_url;
        int num_bookmarks;
        int current_bookmark;

        ImageView[] but = new ImageView[6];

        int dialog_style = MyDialogBuilder.STYLE_HOLO_LIGHT;


    void show_toast(final String toast) {
                //Toast.makeText(this, toast, Toast.LENGTH_SHORT).show();
         final Activity act = this;
         handler.post(new Runnable() { 
             public void run() {      
                Toast.makeText(act, toast, Toast.LENGTH_SHORT).show();
             }
        });
      }


    void load_url(final String url)
    { 
      if (scrollview != null) {
        scrollview.post(new Runnable() {
           public void run() { scrollview.fullScroll(View.FOCUS_UP); }
        });
      }

      initial_scale = 100;

      if (url.indexOf("biking") != -1)
             initial_scale = (int)(0.5 + 100*window_width/569.0f);

      webview.post(new Runnable() {
          public void run() {
            webview.setInitialScale(initial_scale);
            webview.loadUrl(url);
          }
      });

      show_toast(url);
     }

	
    @Override
    public void onCreate(Bundle savedInstanceState) {
    	
     requestWindowFeature(Window.FEATURE_NO_TITLE);
     //requestWindowFeature(Window.FEATURE_PROGRESS); 

     super.onCreate(savedInstanceState);
     setContentView(R.layout.webview);

     if (Build.VERSION.SDK_INT >= 35)
     { View main_layout = findViewById(R.id.main_layout);

       Resources res = getResources();
       int resId = res.getIdentifier("status_bar_height","dimen","android");
       int padding_top = res.getDimensionPixelSize(resId);

       resId = res.getIdentifier("navigation_bar_height","dimen","android");
       int padding_bottom = res.getDimensionPixelSize(resId);

       main_layout.setPadding(0,padding_top,0,padding_bottom);
    }


     MyDialogBuilder.setStyle(dialog_style);

     decor_view = getWindow().getDecorView();
     decor_view.setSystemUiVisibility(full_screen);

     WindowManager wm = (WindowManager)getSystemService(Context.WINDOW_SERVICE);
     display = wm.getDefaultDisplay(); 

     int d = (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
                                            45f, 
                                            getResources().getDisplayMetrics());
     Point pt = new Point();
     display.getSize(pt);
     window_width = pt.x - d;

        
        Intent intent = getIntent();

        home_url = intent.getStringExtra("url");

        String bookmarks = "";
        if (intent.hasExtra("bookmarks"))
           bookmarks = intent.getStringExtra("bookmarks");

/*
        if (bookmarks.equals(""))
        { bookmarks += "Google          url=www.google.de;";
          bookmarks += "Spiegel Online  url=www.spiegel.de;";
         }
*/

        String[] lines = bookmarks.split(";");
        int num = lines.length;
        bookmark_name = new String[num];
        bookmark_url  = new String[num];

        num_bookmarks = 0;
        for(int i=0; i<num; i++)
        { String s = lines[i];
          int p = s.indexOf("url=");
          if (p == -1) continue;
          bookmark_name[num_bookmarks]= s.substring(0,p).trim();
          bookmark_url[num_bookmarks] = s.substring(p+4).trim();
          num_bookmarks++;
         }

        current_bookmark = 0;
        
        handler = new Handler();
        

        but[0] = (ImageView)findViewById(R.id.button_home);
        but[1] = (ImageView)findViewById(R.id.button_bookmarks);
        but[2] = (ImageView)findViewById(R.id.button_back);
        but[3] = (ImageView)findViewById(R.id.button_reload);
        but[4] = (ImageView)findViewById(R.id.button_zoom_in);
        but[5] = (ImageView)findViewById(R.id.button_zoom_out);


    final Activity activity = this;

    OnTouchListener listener = new OnTouchListener() {
           public boolean onTouch(View v, MotionEvent event)
           { final ImageView iv = (ImageView)v;

             int press_clr = Color.rgb(32,32,128);
      
             if (event.getAction() == android.view.MotionEvent.ACTION_DOWN)
             { //iv.setTextColor(Color.WHITE);
               iv.setBackgroundColor(press_clr);

               new Thread() {
                       public void run() {
                         try { sleep(750); } catch (Exception e) {};
                         handler.post(new Runnable() { public void run() {      
                                  //iv.setTextColor(Color.BLACK);
                                  iv.setBackgroundColor(Color.WHITE);
                                 }
                          });
                       }
               }.start();

               switch (iv.getId()) {

                  case R.id.button_home: 
                    load_url(home_url);
                  break;

                  case R.id.button_bookmarks: 
                    bookmark_dialog();
                  break;

                  case R.id.button_back: 
                    if (webview.canGoBack())
                      webview.goBack();
                    else
                      finish();
                  break;

                  case R.id.button_reload: 
                    //webview.reload();
                    load_url(webview.getUrl());
                  break;

                  case R.id.button_zoom_in: 
                    webview.zoomIn();
                  break;

                  case R.id.button_zoom_out: 
                    webview.zoomOut();
                  break;

/*
                  case R.id.button_forward: 
                    webview.goForward();
                  break;

                  case R.id.button_exit: 
                    finish();
                  break;
*/

               }
             }

             return true;
            }
     };

    for(int i=0; i<6; i++) but[i].setOnTouchListener(listener);

        
    progress_bar = (ProgressBar) findViewById(R.id.progress_web);
    progress_bar.setVisibility(View.INVISIBLE);

    //scrollview = (ScrollView)findViewById(R.id.scrollview);
    scrollview = null;
        
    //webview = (MyWebView) findViewById(R.id.webview);
    webview = (WebView) findViewById(R.id.webview);

/*
    webview.setOnTouchListener(new View.OnTouchListener(){
       float down_x;
       public boolean onTouch(View v, MotionEvent event)
       { switch (event.getAction()) {
          case MotionEvent.ACTION_DOWN: 
                down_x = event.getX();
                break;
          case MotionEvent.ACTION_MOVE:
          case MotionEvent.ACTION_CANCEL:
          case MotionEvent.ACTION_UP:
                event.setLocation(down_x,event.getY());
                break;
         }
         return false;
       }
    });
*/
         

    //webview.set_on_draw(false);

    webview.setWebViewClient(new MyWebViewClient(this));

    //webview.setWebChromeClient(new MyWebChromeClient(this));

    webview.getSettings().setJavaScriptEnabled(true);

    webview.getSettings().setLoadWithOverviewMode(true);
    webview.getSettings().setUseWideViewPort(true);


  //webview.getSettings().setBuiltInZoomControls(true);

    webview.setVerticalScrollBarEnabled(false);
    webview.setHorizontalScrollBarEnabled(false);


    webview.setDownloadListener(new DownloadListener() {
          public void onDownloadStart(String url, String userAgent,
                            String contentDisposition, String mimetype,
                            long contentLength) {
           Intent i = new Intent(Intent.ACTION_VIEW);
           i.setData(Uri.parse(url));
           startActivity(i);
          }
    });
          

    if (scrollview != null) {
      webview.setOnTouchListener(new OnTouchListener() {
         @Override
         public boolean onTouch(View v, MotionEvent event)
         { int action = event.getAction();
           if (action == MotionEvent.ACTION_MOVE) return true;
           return false; 
          }
      });
    }
       
/*
    webview.setOnTouchListener(new OnTouchListener() {
        @Override
        public boolean onTouch(View v, MotionEvent event) {
           webview.reload();
           return false;
        }
    });
*/

        //load_url(home_url);

          new Thread() {
               public void run() {
                 try { sleep(1000); } catch (Exception e) {};
                 load_url(home_url);
               }
          }.start();

    }


  @Override
  public void onBackPressed() 
  { super.onBackPressed();
    finish();
   }

  @Override
  public boolean onCreateOptionsMenu(Menu menu)
  { MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.web_menu,menu);
    return true;
   }

  @Override
  public boolean onOptionsItemSelected(MenuItem item)
  {
     switch (item.getItemId()) {

       case R.id.menu_google:
            load_url("http://www.google.de");
            break;

       case R.id.menu_bookmarks:
            bookmark_dialog();
            break;

       case R.id.menu_reload:
            getApplicationContext().deleteDatabase("webview.db");
            getApplicationContext().deleteDatabase("webviewCache.db");
            webview.clearHistory();
            webview.clearCache(true);
            //webview.reload();
            load_url(webview.getUrl());
            break;

       case R.id.menu_exit:
              //construct_track_list_dialog();
              finish();
              break;
      }

     return true;
   }  



   public void bookmark_dialog()
   {
     int len = num_bookmarks;
     //final CharSequence[] items = new CharSequence[len];
     final String[] items = new String[len];
     for(int i=0; i<len; i++) items[i] = bookmark_name[i];
  
     MyDialogBuilder builder = new MyDialogBuilder(this,"Bookmarks");

     builder.setItems(items, new DialogInterface.OnClickListener() {

     public void onClick(DialogInterface dialog, int i) {
           //String url = "http://" + bookmark_url[i];
           String url = bookmark_url[i];
           String name = items[i].toString();
           load_url(url);
       }
     });

     builder.setOnCancelListener( new DialogInterface.OnCancelListener() {
            @Override
            public void onCancel(DialogInterface dialog) {
                     runOnUiThread(new Runnable() {
                          public void run() {
                             decor_view.setSystemUiVisibility(full_screen);
                          }
                     });
            }
      });


     builder.show();
   }



    
    private class MyWebViewClient extends WebViewClient {
    	WebViewActivity activity;
        int load_count = 0;
    	
    	MyWebViewClient(WebViewActivity act) { activity = act; }
    	
    	@Override
    	public void onPageStarted(WebView view, String url, Bitmap bmp) {
    		//activity.progress_bar.setVisibility(View.VISIBLE);
                //webview.setVisibility(View.INVISIBLE);
                //webview.set_on_draw(false);
                
    	}
    	
    	@Override
    	public void onPageFinished(WebView view, String url) {
                      runOnUiThread( new Runnable() {
                          public void run() {
                             decor_view.setSystemUiVisibility(full_screen);
                          }
                       });
    		//activity.progress_bar.setVisibility(View.INVISIBLE);
                //webview.setVisibility(View.VISIBLE);
                //webview.set_on_draw(true);
                //webview.redraw();
                
    	}
    	
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            //show_toast("shouldOverrideUrlLoading");
            view.loadUrl(url);
            return true;
        }

        @Override
        public void onReceivedError(WebView view, int errorCode, 
                                    String description, String failingUrl) 
        {
            show_toast("Error: " + description);
          }
    }
    

    private class MyWebChromeClient extends WebChromeClient {
    	WebViewActivity activity;
    	
    	MyWebChromeClient(WebViewActivity act) { activity = act; }
         
        @Override
        public void onProgressChanged(WebView view, int progress) {
        	 //activity.setTitle(String.format("progres = %d",progress));
        	 //progress_bar.setProgress(progress);
             activity.setProgress(progress*100 );
         }    
    }

}