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-rw-r--r--src/eu/siacs/conversations/ui/ConversationActivity.java138
1 files changed, 133 insertions, 5 deletions
diff --git a/src/eu/siacs/conversations/ui/ConversationActivity.java b/src/eu/siacs/conversations/ui/ConversationActivity.java
index 41d9ad0f..32e3588b 100644
--- a/src/eu/siacs/conversations/ui/ConversationActivity.java
+++ b/src/eu/siacs/conversations/ui/ConversationActivity.java
@@ -1,5 +1,7 @@
package eu.siacs.conversations.ui;
+import java.io.FileNotFoundException;
+import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
@@ -11,20 +13,26 @@ import eu.siacs.conversations.entities.Conversation;
import eu.siacs.conversations.entities.Message;
import eu.siacs.conversations.utils.ExceptionHelper;
import eu.siacs.conversations.utils.UIHelper;
+import android.os.AsyncTask;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.app.AlertDialog;
-import android.app.AlertDialog.Builder;
import android.app.FragmentTransaction;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.SharedPreferences;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.Typeface;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
import android.support.v4.widget.SlidingPaneLayout;
import android.support.v4.widget.SlidingPaneLayout.PanelSlideListener;
+import android.util.DisplayMetrics;
+import android.util.Log;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
@@ -57,7 +65,7 @@ public class ConversationActivity extends XmppActivity {
private List<Conversation> conversationList = new ArrayList<Conversation>();
private Conversation selectedConversation = null;
private ListView listView;
-
+
private boolean paneShouldBeOpen = true;
private boolean useSubject = true;
private ArrayAdapter<Conversation> listAdapter;
@@ -91,6 +99,7 @@ public class ConversationActivity extends XmppActivity {
};
protected ConversationActivity activity = this;
+ private DisplayMetrics metrics;
public List<Conversation> getConversationList() {
return this.conversationList;
@@ -115,6 +124,8 @@ public class ConversationActivity extends XmppActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
+ metrics = getResources().getDisplayMetrics();
+
super.onCreate(savedInstanceState);
setContentView(R.layout.fragment_conversations_overview);
@@ -150,7 +161,35 @@ public class ConversationActivity extends XmppActivity {
convName.setText(conv.getName(useSubject));
TextView convLastMsg = (TextView) view
.findViewById(R.id.conversation_lastmsg);
- convLastMsg.setText(conv.getLatestMessage().getBody());
+ ImageView imagePreview = (ImageView) view.findViewById(R.id.conversation_lastimage);
+
+ Message latestMessage = conv.getLatestMessage();
+
+ if (latestMessage.getType() == Message.TYPE_TEXT) {
+ convLastMsg.setText(conv.getLatestMessage().getBody());
+ convLastMsg.setVisibility(View.VISIBLE);
+ imagePreview.setVisibility(View.GONE);
+ } else if (latestMessage.getType() == Message.TYPE_IMAGE) {
+ if ((latestMessage.getStatus() >= Message.STATUS_RECIEVED)&&(latestMessage.getStatus() != Message.STATUS_PREPARING)) {
+ convLastMsg.setVisibility(View.GONE);
+ imagePreview.setVisibility(View.VISIBLE);
+ loadBitmap(latestMessage, imagePreview);
+ } else {
+ convLastMsg.setVisibility(View.VISIBLE);
+ imagePreview.setVisibility(View.GONE);
+ if (latestMessage.getStatus() == Message.STATUS_PREPARING) {
+ convLastMsg.setText(getText(R.string.preparing_image));
+ } else if (latestMessage.getStatus() == Message.STATUS_RECEIVED_OFFER) {
+ convLastMsg.setText(getText(R.string.image_offered_for_download));
+ } else if (latestMessage.getStatus() == Message.STATUS_RECIEVING) {
+ convLastMsg.setText(getText(R.string.receiving_image));
+ } else {
+ convLastMsg.setText("");
+ }
+ }
+ }
+
+
if (!conv.isRead()) {
convName.setTypeface(null, Typeface.BOLD);
@@ -164,10 +203,11 @@ public class ConversationActivity extends XmppActivity {
.setText(UIHelper.readableTimeDifference(conv
.getLatestMessage().getTimeSent()));
- ImageView imageView = (ImageView) view
+ ImageView profilePicture = (ImageView) view
.findViewById(R.id.conversation_image);
- imageView.setImageBitmap(UIHelper.getContactPicture(
+ profilePicture.setImageBitmap(UIHelper.getContactPicture(
conv, 56, activity.getApplicationContext(), false));
+
return view;
}
@@ -602,4 +642,92 @@ public class ConversationActivity extends XmppActivity {
});
builder.create().show();
}
+
+
+ class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
+ private final WeakReference<ImageView> imageViewReference;
+ 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));
+ } 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);
+ }
+ }
+ }
+ }
+
+ public void loadBitmap(Message message, ImageView imageView) {
+ if (cancelPotentialWork(message, imageView)) {
+ 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) {
+ final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
+
+ 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;
+ }
+
+ 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();
+ }
+ }
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-12 06:27:47 +0000