--- android/Side9/src/dk/thoerup/side9/Side9WidgetProvider.java	2010/03/24 07:27:34	634
+++ android/Side9/src/dk/thoerup/side9/Side9WidgetProvider.java	2010/06/26 14:23:48	921
@@ -1,60 +1,220 @@
 package dk.thoerup.side9;
 
-import java.net.URL;
-import java.net.URLConnection;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
 
+import android.app.PendingIntent;
 import android.appwidget.AppWidgetManager;
 import android.appwidget.AppWidgetProvider;
-import android.appwidget.AppWidgetProviderInfo;
 import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.net.ConnectivityManager;
+import android.net.Uri;
+import android.os.Environment;
+import android.util.DisplayMetrics;
 import android.util.Log;
+import android.view.View;
+import android.view.WindowManager;
 import android.widget.RemoteViews;
+import dk.thoerup.androidutils.HttpUtil;
 
 public class Side9WidgetProvider extends AppWidgetProvider  {
+
+	public static final String TAG = "Side9Pigen";
+
+	//The data needs to be static, since BroadcastReceivers (which WidgetProviders extends) are only valid during onReceive()
+	private static Side9Data usedData;
+	private static Bitmap usedBitmap; 
+	private static long timestamp;
+
+	final static long UDPATESPAN = 4*60*60*1000;
+
+	static  {
+		timestamp = 0L;
+	}
+
+	public Side9WidgetProvider() {
+		Log.i(TAG, "WidgetProvider constructor called");
+	}
 	
-	private Side9Data usedData;
-		
+	public void resetStatics() {
+		Log.i(TAG, "resetStatics");
+		usedData = null; 
+		usedBitmap = null;		
+	}
+	
+	
+
+
+
+	private void setImage(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
+		// Perform this loop procedure for each App Widget that belongs to this provider
+		final int N = appWidgetIds.length; 
+		for (int i=0; i<N; i++) {
+			int appWidgetId = appWidgetIds[i];
+
+			RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.side9widget);
+
+			if (usedBitmap != null) {
+				views.setImageViewBitmap(R.id.side9picture, usedBitmap);
+			} else {
+				views.setImageViewResource(R.id.side9picture, R.drawable.side9logo);
+			}
+			
+			boolean showcaption = context.
+					getSharedPreferences(Side9WidgetProvider.TAG, Context.MODE_PRIVATE).
+					getBoolean(Side9Config.PREFS_SHOWCAPTION, false);
+			
+			if (showcaption == true && usedData != null) {
+				views.setTextViewText(R.id.caption, " " + usedData.caption + " ");
+				views.setViewVisibility(R.id.caption, View.VISIBLE);
+			} else {
+				views.setViewVisibility(R.id.caption, View.GONE);
+			}
+
+
+			//Intent viewIntent = new Intent(android.content.Intent.ACTION_VIEW, Uri.parse("http://www.ekstrabladet.dk/side9/"));			
+
+			Intent viewIntent = new Intent(context, dk.thoerup.side9.PictureOverview.class );
+						
+			
+			PendingIntent pending = PendingIntent.getActivity(context, 0, viewIntent, Intent.FLAG_ACTIVITY_NEW_TASK);		            
+			views.setOnClickPendingIntent(R.id.side9picture, pending);		            
+
+			// Tell the AppWidgetManager to perform an update on the current App Widget
+			appWidgetManager.updateAppWidget(appWidgetId, views);
+
+			Log.i(TAG, "done " + appWidgetId);
+		}	
+	}
+
 	@Override
 	public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
 		super.onUpdate(context, appWidgetManager, appWidgetIds);
+
+		Log.i(TAG, "onUpdate:");
+
+		if (usedBitmap == null) { //load default view
+			usedBitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.side9logo);
+		}
+
+
+
+		ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
+		if (connMgr.getBackgroundDataSetting() == false)
+		{
+			Log.i(TAG, "background data disabled");
+			return;
+		}
+
+		if (System.currentTimeMillis() > (timestamp+UDPATESPAN) ) {
+			Log.i(TAG, "time elapsed, force XML reload");
+			usedData = null;
+		}
+
+		try {
+			Side9Data newData = Side9Xml.loadXml();
+
+			if (! newData.equals(usedData)) {
+
+
+				Log.i(TAG, "(Re)loading image:" + newData.url);
+
+				Bitmap image = getImageData(context, newData);
+
+				usedData = newData; // if we made it to here without exceptions, save the new data
+				usedBitmap = image;
+				timestamp = System.currentTimeMillis();
+				
+
+			} // endif
+
+		} catch (Exception e) {
+			Log.e("Side9Pigen", "update failed", e);
+		}
+
+		setImage(context,appWidgetManager,appWidgetIds);
+		Log.i("Side9Pigen", "update completed");
+	}
+	
+	Bitmap getImageData(Context context, Side9Data data) throws IOException {	
+		
+		SharedPreferences prefs = context.getSharedPreferences(TAG, Context.MODE_PRIVATE);
+		boolean saveImage = prefs.getBoolean(Side9Config.PREFS_SAVEIMAGE, false);
 		
-		final int N = appWidgetIds.length; //
+		final String savepath = Environment.getExternalStorageDirectory() + "/Side9";
 		
-		Log.e("onUpdate", "onUpdate:" + N);
+		File file = new File( savepath + "/" + data.getFilename() );
 		
+		/* if the picture changes later on the day we do NOT want to use an old and invalid image		
+ 		if (saveImage == true) {			
+			if (file.exists()) {
+				return BitmapFactory.decodeFile(file.getAbsolutePath());
+			}
+		}*/
+		
+				
+		byte imageData[] = HttpUtil.getContent(data.url, 2500);
+		
+		if (saveImage == true) {
+			if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
+				File savedir = new File(savepath);
+				savedir.mkdirs();
+				
+				if (file.exists()) {
+					file.delete();
+				}
+				
+				FileOutputStream fos = new FileOutputStream(file);
+				fos.write(imageData);
+				fos.close();
+
+				Intent rescan = new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.parse("file://" + Environment.getExternalStorageDirectory()) );
+				rescan.putExtra("read-only", false);								
+				context.sendBroadcast(rescan);
+				
+			} else {
+				Log.i(TAG, "sdcard is not mounted");
+			}
+		}
+		
+		 DisplayMetrics metrics = new DisplayMetrics();
+		 WindowManager wmgr = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
+		 wmgr.getDefaultDisplay().getMetrics(metrics);
+		 int w = metrics.widthPixels - (2*40);
+		 int h = getHeight(w);
+		 
+		 Log.e(TAG, "w=" + w + "   h=" + h);
+		
+		 Bitmap full = BitmapFactory.decodeByteArray(imageData, 0, imageData.length);
+		 Bitmap scaled = Bitmap.createScaledBitmap(full, w, h, true);
+		 return scaled;
+	}
+
+	private static int getHeight(int w) {
+		double h = w * (650.0 / 450.0);
+		return (int)h;
+	}
+	
+	//Called when the last widget is removed/disabled
+	@Override
+	public void onDisabled(Context context) {
+		super.onDisabled(context);
+		Log.i(TAG, "onDisabled");
 		
-        try {
-        	Side9Data data = Side9Xml.loadXml();
-        	
-        	if (! data.equals(usedData)) {
-        		usedData = data; // save the new data
-	        		        	
-		        URL imgUrl = new URL( data.url );	        
-		        
-		        URLConnection conn = imgUrl.openConnection();
-		        Bitmap image = BitmapFactory.decodeStream( conn.getInputStream() );
-		        
-		
-		        // Perform this loop procedure for each App Widget that belongs to this provider
-		        for (int i=0; i<N; i++) {
-		            int appWidgetId = appWidgetIds[i];
-		            		            
-		            RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.side9widget);
-		            
-		            
-		            views.setImageViewBitmap(R.id.side9picture, image);
-		            
-		            
-		            // Tell the AppWidgetManager to perform an update on the current App Widget
-		            appWidgetManager.updateAppWidget(appWidgetId, views);
-		        }	
-	        } //END if (data.equals)
-        	
-        } catch (Exception e) {
-        	Log.e("UPDATE", "UPDATE", e);
-        }
+		resetStatics();//free memory
 	}
 
+	@Override
+	public void onEnabled(Context context) {
+		super.onEnabled(context);
+		Log.i(TAG, "onEnabled");
+		
+		resetStatics();//free memory
+	}
+	
 }