couple of more optimazations on image loading

res/layout/conversation_list_row.xml

@@ -52,6 +52,7 @@
 	        android:id="@+id/conversation_lastimage"
 	        android:layout_width="fill_parent"
 	        android:layout_height="36dp"
+	        android:background="#333333"
 	        android:scaleType="centerCrop" />
 
 	</LinearLayout>

res/layout/message_recieved.xml

@@ -26,9 +26,9 @@
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:adjustViewBounds="true"
-                android:maxHeight="288dp"
-                android:maxWidth="288dp"
                 android:paddingBottom="2dp"
+                android:scaleType="fitXY"
+                android:background="#333333"
                 />
             
             <TextView

res/layout/message_sent.xml

@@ -26,6 +26,8 @@
                 android:layout_height="wrap_content"
                 android:adjustViewBounds="true"
                 android:paddingBottom="2dp"
+                android:scaleType="fitXY"
+                android:background="#333333"
                 />
 
             <TextView

src/eu/siacs/conversations/persistance/FileBackend.java

@@ -118,10 +118,10 @@ public class FileBackend {
 				.getAbsolutePath());
 	}
 
-	public Bitmap getThumbnail(Message message, int size)
+	public Bitmap getThumbnail(Message message, int size, boolean cacheOnly)
 			throws FileNotFoundException {
 		Bitmap thumbnail = thumbnailCache.get(message.getUuid());
-		if (thumbnail == null) {
+		if ((thumbnail == null)&&(!cacheOnly)) {
 			Bitmap fullsize = BitmapFactory.decodeFile(getJingleFile(message)
 					.getAbsolutePath());
 			if (fullsize == null) {
@@ -133,45 +133,6 @@ public class FileBackend {
 		return thumbnail;
 	}
 
-	public void getThumbnailAsync(final Message message, final int size, ImageView imageView, TextView textView) {
-		
-		Bitmap thumbnail = thumbnailCache.get(message.getUuid());
-		if (thumbnail == null) {
-			final WeakReference<ImageView> image = new WeakReference<ImageView>(imageView);
-			final WeakReference<TextView> text = new WeakReference<TextView>(textView);
-			new Thread(new Runnable() {
-				
-				@Override
-				public void run() {
-					if (image.get()!=null) {
-						image.get().setVisibility(View.GONE);
-					}
-					if (text.get()!=null) {
-						text.get().setVisibility(View.VISIBLE);
-						text.get().setText("loading image");
-					}
-					Bitmap fullsize = BitmapFactory.decodeFile(getJingleFile(message)
-							.getAbsolutePath());
-					if (fullsize!=null) {
-						Bitmap thumbnail = resize(fullsize, size);
-						thumbnailCache.put(message.getUuid(), thumbnail);
-						if (image.get()!=null) {
-							image.get().setVisibility(View.VISIBLE);
-							image.get().setImageBitmap(thumbnail);
-						}
-						if (text.get()!=null) {
-							text.get().setVisibility(View.GONE);
-						}
-					}
-				}
-			}).start();
-		} else {
-			textView.setVisibility(View.GONE);
-			imageView.setVisibility(View.VISIBLE);
-			imageView.setImageBitmap(thumbnail);
-		}
-	}
-
 	public void removeFiles(Conversation conversation) {
 		String prefix = context.getFilesDir().getAbsolutePath();
 		String path = prefix + "/" + conversation.getAccount().getJid() + "/"

src/eu/siacs/conversations/ui/ConversationActivity.java

@@ -649,42 +649,51 @@ public class ConversationActivity extends XmppActivity {
 	    private Message message = null;
 
 	    public BitmapWorkerTask(ImageView imageView) {
-	        // Use a WeakReference to ensure the ImageView can be garbage collected
 	        imageViewReference = new WeakReference<ImageView>(imageView);
 	    }
 
-	    // Decode image in background.
 	    @Override
 	    protected Bitmap doInBackground(Message... params) {
 	        message = params[0];
 	        try {
-				return xmppConnectionService.getFileBackend().getThumbnail(message, (int) (metrics.density * 288));
+				return xmppConnectionService.getFileBackend().getThumbnail(message, (int) (metrics.density * 288),false);
 			} catch (FileNotFoundException e) {
 				Log.d("xmppService","file not found!");
 				return null;
 			}
 	    }
 
-	    // Once complete, see if ImageView is still around and set bitmap.
 	    @Override
 	    protected void onPostExecute(Bitmap bitmap) {
 	        if (imageViewReference != null && bitmap != null) {
 	            final ImageView imageView = imageViewReference.get();
 	            if (imageView != null) {
 	                imageView.setImageBitmap(bitmap);
+	                imageView.setBackgroundColor(0x00000000);
 	            }
 	        }
 	    }
 	}
 	
 	public void loadBitmap(Message message, ImageView imageView) {
-	    if (cancelPotentialWork(message, imageView)) {
+		Bitmap bm;
-	        final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
+		try {
-	        final AsyncDrawable asyncDrawable =
+			bm = xmppConnectionService.getFileBackend().getThumbnail(message, (int) (metrics.density * 288), true);
-	                new AsyncDrawable(getResources(), null, task);
+		} catch (FileNotFoundException e) {
-	        imageView.setImageDrawable(asyncDrawable);
+			bm = null;
-	        task.execute(message);
+		}
-	    }
+		if (bm!=null) {
+			imageView.setImageBitmap(bm);
+		} else {
+		    if (cancelPotentialWork(message, imageView)) {
+		    	imageView.setBackgroundColor(0xff333333);
+		        final BitmapWorkerTask task = new BitmapWorkerTask(imageView);
+		        final AsyncDrawable asyncDrawable =
+		                new AsyncDrawable(getResources(), null, task);
+		        imageView.setImageDrawable(asyncDrawable);
+		        task.execute(message);
+		    }
+		}
 	}
 	
 	public static boolean cancelPotentialWork(Message message, ImageView imageView) {
@@ -692,16 +701,12 @@ public class ConversationActivity extends XmppActivity {
 
 	    if (bitmapWorkerTask != null) {
 	        final Message oldMessage = bitmapWorkerTask.message;
-	        // If bitmapData is not yet set or it differs from the new data
 	        if (oldMessage == null || message != oldMessage) {
-	            // Cancel previous task
 	            bitmapWorkerTask.cancel(true);
 	        } else {
-	            // The same work is already in progress
 	            return false;
 	        }
 	    }
-	    // No task associated with the ImageView, or an existing task was cancelled
 	    return true;
 	}
 	

src/eu/siacs/conversations/ui/ConversationFragment.java

@@ -301,16 +301,16 @@ public class ConversationFragment extends Fragment {
 						viewHolder.image.setVisibility(View.VISIBLE);
 						String[] params = item.getBody().split(",");
 			        	if (params.length==3) {
-			        		int target = (int) (metrics.density * 288);
+			        		double target = metrics.density * 288;
 			        		int w = Integer.parseInt(params[1]);
 			        		int h = Integer.parseInt(params[2]);
 			        		int scalledW;
 			    			int scalledH;
 			    			if (w <= h) {
 			    				scalledW = (int) (w / ((double) h / target));
-			    				scalledH = target;
+			    				scalledH = (int) target;
 			    			} else {
-			    				scalledW = target;
+			    				scalledW = (int)  target;
 			    				scalledH = (int) (h / ((double) w / target));
 			    			}
 			        		viewHolder.image.setLayoutParams(new LinearLayout.LayoutParams(scalledW, scalledH));

src/eu/siacs/conversations/xmpp/jingle/JingleConnection.java

@@ -7,6 +7,7 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Map.Entry;
 
+import android.graphics.BitmapFactory;
 import android.util.Log;
 
 import eu.siacs.conversations.entities.Account;
@@ -78,10 +79,16 @@ public class JingleConnection {
 				if (acceptedAutomatically) {
 					message.markUnread();
 				}
+				BitmapFactory.Options options = new BitmapFactory.Options();
+				options.inJustDecodeBounds = true;
+				BitmapFactory.decodeFile(file.getAbsolutePath(),options);
+				int imageHeight = options.outHeight;
+				int imageWidth = options.outWidth;
+				message.setBody(""+file.getSize()+","+imageWidth+","+imageHeight);
 				mXmppConnectionService.databaseBackend.createMessage(message);
 				mXmppConnectionService.markMessage(message, Message.STATUS_RECIEVED);
 			}
-			Log.d("xmppService","sucessfully transmitted file. sha1:"+file.getSha1Sum());
+			Log.d("xmppService","sucessfully transmitted file. sha1:"+file.getSha1Sum()+" "+message.getBody());
 		}
 	};
 	
@@ -197,7 +204,7 @@ public class JingleConnection {
 	public void init(Account account, JinglePacket packet) {
 		this.status = STATUS_INITIATED;
 		Conversation conversation = this.mXmppConnectionService.findOrCreateConversation(account, packet.getFrom().split("/")[0], false);
-		this.message = new Message(conversation, "receiving image file", Message.ENCRYPTION_NONE);
+		this.message = new Message(conversation, "", Message.ENCRYPTION_NONE);
 		this.message.setType(Message.TYPE_IMAGE);
 		this.message.setStatus(Message.STATUS_RECEIVED_OFFER);
 		this.message.setJingleConnection(this);
@@ -230,6 +237,7 @@ public class JingleConnection {
 				}
 				if (supportedFile) {
 					this.file.setExpectedSize(Long.parseLong(fileSize.getContent()));
+					message.setBody(""+this.file.getExpectedSize());
 					conversation.getMessages().add(message);
 					if (this.file.getExpectedSize()<=this.mJingleConnectionManager.getAutoAcceptFileSize()) {
 						Log.d("xmppService","auto accepting file from "+packet.getFrom());
@@ -413,7 +421,7 @@ public class JingleConnection {
 			this.status = STATUS_TRANSMITTING;
 			if (connection.needsActivation()) {
 				if (connection.getCandidate().isOurs()) {
-					Log.d("xmppService","candidate "+connection.getCandidate().getCid()+" was our proxy and needs activation");
+					Log.d("xmppService","candidate "+connection.getCandidate().getCid()+" was our proxy. going to activate");
 					IqPacket activation = new IqPacket(IqPacket.TYPE_SET);
 					activation.setTo(connection.getCandidate().getJid());
 					activation.query("http://jabber.org/protocol/bytestreams").setAttribute("sid", this.getSessionId());
@@ -430,6 +438,8 @@ public class JingleConnection {
 							}
 						}
 					});
+				} else {
+					Log.d("xmppService","candidate "+connection.getCandidate().getCid()+" was a proxy. waiting for other party to activate");
 				}
 			} else {
 				if (initiator.equals(account.getFullJid())) {