From bf2d0d5596a08872230056d056241ee906962171 Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel.gultsch@rwth-aachen.de>
Date: Fri, 25 Apr 2014 16:24:56 +0200
Subject: smoother scrolling (first step)

---
 .../conversations/persistance/FileBackend.java     | 56 +++++++++++++++++++++-
 1 file changed, 54 insertions(+), 2 deletions(-)

(limited to 'src/eu/siacs/conversations/persistance/FileBackend.java')

diff --git a/src/eu/siacs/conversations/persistance/FileBackend.java b/src/eu/siacs/conversations/persistance/FileBackend.java
index 3032f375..129176a4 100644
--- a/src/eu/siacs/conversations/persistance/FileBackend.java
+++ b/src/eu/siacs/conversations/persistance/FileBackend.java
@@ -6,6 +6,7 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.lang.ref.WeakReference;
 
 import android.content.Context;
 import android.graphics.Bitmap;
@@ -13,6 +14,9 @@ import android.graphics.BitmapFactory;
 import android.net.Uri;
 import android.util.Log;
 import android.util.LruCache;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.TextView;
 
 import eu.siacs.conversations.entities.Account;
 import eu.siacs.conversations.entities.Conversation;
@@ -39,6 +43,10 @@ public class FileBackend {
 		};
 
 	}
+	
+	public LruCache<String, Bitmap> getThumbnailCache() {
+		return thumbnailCache;
+	}
 
 	public JingleFile getJingleFile(Message message) {
 		Conversation conversation = message.getConversation();
@@ -49,7 +57,7 @@ public class FileBackend {
 		return new JingleFile(path + "/" + filename);
 	}
 
-	private Bitmap resize(Bitmap originalBitmap, int size) {
+	public Bitmap resize(Bitmap originalBitmap, int size) {
 		int w = originalBitmap.getWidth();
 		int h = originalBitmap.getHeight();
 		if (Math.max(w, h) > size) {
@@ -87,7 +95,12 @@ public class FileBackend {
 			if (!success) {
 				// Log.d("xmppService", "couldnt compress");
 			}
+			os.flush();
 			os.close();
+			long size = file.getSize();
+			int width = scalledBitmap.getWidth();
+			int height = scalledBitmap.getHeight();
+			message.setBody(""+size+","+width+","+height);
 			return file;
 		} catch (FileNotFoundException e) {
 			// TODO Auto-generated catch block
@@ -105,7 +118,7 @@ public class FileBackend {
 				.getAbsolutePath());
 	}
 
-	public Bitmap getThumbnailFromMessage(Message message, int size)
+	public Bitmap getThumbnail(Message message, int size)
 			throws FileNotFoundException {
 		Bitmap thumbnail = thumbnailCache.get(message.getUuid());
 		if (thumbnail == null) {
@@ -119,6 +132,45 @@ 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();
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