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-rw-r--r--src/eu/siacs/conversations/ui/XmppActivity.java115
1 files changed, 114 insertions, 1 deletions
diff --git a/src/eu/siacs/conversations/ui/XmppActivity.java b/src/eu/siacs/conversations/ui/XmppActivity.java
index 11376eb7..78482658 100644
--- a/src/eu/siacs/conversations/ui/XmppActivity.java
+++ b/src/eu/siacs/conversations/ui/XmppActivity.java
@@ -1,5 +1,9 @@
package eu.siacs.conversations.ui;
+import java.io.FileNotFoundException;
+import java.lang.ref.WeakReference;
+import java.util.concurrent.RejectedExecutionException;
+
import eu.siacs.conversations.Config;
import eu.siacs.conversations.R;
import eu.siacs.conversations.entities.Account;
@@ -19,16 +23,23 @@ import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.IntentSender.SendIntentException;
+import android.content.res.Resources;
import android.content.Intent;
import android.content.ServiceConnection;
+import android.graphics.Bitmap;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
import android.net.Uri;
+import android.os.AsyncTask;
import android.os.Bundle;
import android.os.IBinder;
+import android.util.DisplayMetrics;
import android.util.Log;
import android.view.MenuItem;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;
+import android.widget.ImageView;
public abstract class XmppActivity extends Activity {
@@ -44,6 +55,8 @@ public abstract class XmppActivity extends Activity {
protected int mWarningTextColor;
protected int mPrimaryColor;
+ private DisplayMetrics metrics;
+
protected interface OnValueEdited {
public void onValueEdited(String value);
}
@@ -163,6 +176,7 @@ public abstract class XmppActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
+ metrics = getResources().getDisplayMetrics();
ExceptionHelper.init(getApplicationContext());
mPrimaryTextColor = getResources().getColor(R.color.primarytext);
mSecondaryTextColor = getResources().getColor(R.color.secondarytext);
@@ -370,7 +384,7 @@ public abstract class XmppActivity extends Activity {
xmppConnectionService.invite(conversation, contactJid);
}
Log.d(Config.LOGTAG, "inviting " + contactJid + " to "
- + conversation.getName(true));
+ + conversation.getName());
}
}
@@ -389,4 +403,103 @@ public abstract class XmppActivity extends Activity {
public int getPrimaryColor() {
return this.mPrimaryColor;
}
+
+ class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
+ private final WeakReference<ImageView> imageViewReference;
+ private Message message = null;
+
+ public BitmapWorkerTask(ImageView imageView) {
+ imageViewReference = new WeakReference<ImageView>(imageView);
+ }
+
+ @Override
+ protected Bitmap doInBackground(Message... params) {
+ message = params[0];
+ try {
+ return xmppConnectionService.getFileBackend().getThumbnail(
+ message, (int) (metrics.density * 288), false);
+ } catch (FileNotFoundException e) {
+ return null;
+ }
+ }
+
+ @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) {
+ Bitmap bm;
+ try {
+ bm = xmppConnectionService.getFileBackend().getThumbnail(message,
+ (int) (metrics.density * 288), true);
+ } catch (FileNotFoundException e) {
+ bm = null;
+ }
+ if (bm != null) {
+ imageView.setImageBitmap(bm);
+ imageView.setBackgroundColor(0x00000000);
+ } 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);
+ try {
+ task.execute(message);
+ } catch (RejectedExecutionException e) {
+ return;
+ }
+ }
+ }
+ }
+
+ public static boolean cancelPotentialWork(Message message,
+ ImageView imageView) {
+ final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
+
+ if (bitmapWorkerTask != null) {
+ final Message oldMessage = bitmapWorkerTask.message;
+ if (oldMessage == null || message != oldMessage) {
+ bitmapWorkerTask.cancel(true);
+ } else {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
+ if (imageView != null) {
+ final Drawable drawable = imageView.getDrawable();
+ if (drawable instanceof AsyncDrawable) {
+ final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
+ return asyncDrawable.getBitmapWorkerTask();
+ }
+ }
+ return null;
+ }
+
+ static class AsyncDrawable extends BitmapDrawable {
+ private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
+
+ public AsyncDrawable(Resources res, Bitmap bitmap,
+ BitmapWorkerTask bitmapWorkerTask) {
+ super(res, bitmap);
+ bitmapWorkerTaskReference = new WeakReference<BitmapWorkerTask>(
+ bitmapWorkerTask);
+ }
+
+ public BitmapWorkerTask getBitmapWorkerTask() {
+ return bitmapWorkerTaskReference.get();
+ }
+ }
}