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-rw-r--r--src/eu/siacs/conversations/persistance/DatabaseBackend.java22
-rw-r--r--src/eu/siacs/conversations/services/XmppConnectionService.java8
-rw-r--r--src/eu/siacs/conversations/ui/ConversationFragment.java54
3 files changed, 69 insertions, 15 deletions
diff --git a/src/eu/siacs/conversations/persistance/DatabaseBackend.java b/src/eu/siacs/conversations/persistance/DatabaseBackend.java
index 26d09378e..fbf45d250 100644
--- a/src/eu/siacs/conversations/persistance/DatabaseBackend.java
+++ b/src/eu/siacs/conversations/persistance/DatabaseBackend.java
@@ -128,14 +128,26 @@ public class DatabaseBackend extends SQLiteOpenHelper {
}
return list;
}
+
+ public List<Message> getMessages(Conversation conversations, int limit) {
+ return getMessages(conversations, limit,-1);
+ }
- public List<Message> getMessages(Conversation conversation, int limit) {
+ public List<Message> getMessages(Conversation conversation, int limit, long timestamp) {
List<Message> list = new CopyOnWriteArrayList<Message>();
SQLiteDatabase db = this.getReadableDatabase();
- String[] selectionArgs = { conversation.getUuid() };
- Cursor cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION
- + "=?", selectionArgs, null, null, Message.TIME_SENT + " DESC",
- String.valueOf(limit));
+ Cursor cursor;
+ if (timestamp==-1) {
+ String[] selectionArgs = { conversation.getUuid() };
+ cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION
+ + "=?", selectionArgs, null, null, Message.TIME_SENT + " DESC",
+ String.valueOf(limit));
+ } else {
+ String[] selectionArgs = { conversation.getUuid() , ""+timestamp};
+ cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION
+ + "=? and "+Message.TIME_SENT+"<?", selectionArgs, null, null, Message.TIME_SENT + " DESC",
+ String.valueOf(limit));
+ }
if (cursor.getCount() > 0) {
cursor.moveToLast();
do {
diff --git a/src/eu/siacs/conversations/services/XmppConnectionService.java b/src/eu/siacs/conversations/services/XmppConnectionService.java
index f6bf4307f..3ba1fdfdb 100644
--- a/src/eu/siacs/conversations/services/XmppConnectionService.java
+++ b/src/eu/siacs/conversations/services/XmppConnectionService.java
@@ -931,6 +931,14 @@ public class XmppConnectionService extends Service {
});
return this.conversations;
}
+
+ public List<Message> getMoreMessages(Conversation conversation,long timestamp) {
+ List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
+ for(Message message : messages) {
+ message.setConversation(conversation);
+ }
+ return messages;
+ }
public List<Account> getAccounts() {
return this.accounts;
diff --git a/src/eu/siacs/conversations/ui/ConversationFragment.java b/src/eu/siacs/conversations/ui/ConversationFragment.java
index 098285e22..383cb2fd5 100644
--- a/src/eu/siacs/conversations/ui/ConversationFragment.java
+++ b/src/eu/siacs/conversations/ui/ConversationFragment.java
@@ -40,6 +40,8 @@ import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnLongClickListener;
import android.view.ViewGroup;
+import android.widget.AbsListView.OnScrollListener;
+import android.widget.AbsListView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
@@ -68,6 +70,7 @@ public class ConversationFragment extends Fragment {
protected Bitmap selfBitmap;
private boolean useSubject = true;
+ private boolean messagesLoaded = false;
private IntentSender askForPassphraseIntent = null;
@@ -118,6 +121,33 @@ public class ConversationFragment extends Fragment {
startActivity(intent);
}
};
+
+ private OnScrollListener mOnScrollListener = new OnScrollListener() {
+
+ @Override
+ public void onScrollStateChanged(AbsListView view, int scrollState) {
+ // TODO Auto-generated method stub
+
+ }
+
+ @Override
+ public void onScroll(AbsListView view, int firstVisibleItem,
+ int visibleItemCount, int totalItemCount) {
+ if (firstVisibleItem == 0 && messagesLoaded) {
+ long timestamp = messageList.get(0).getTimeSent();
+ messagesLoaded = false;
+ List<Message> messages = activity.xmppConnectionService
+ .getMoreMessages(conversation, timestamp);
+ messageList.addAll(0, messages);
+ messageListAdapter.notifyDataSetChanged();
+ if (messages.size() != 0) {
+ messagesLoaded = true;
+ }
+ messagesView.setSelectionFromTop(messages.size() + 1, 0);
+ }
+ }
+ };
+
private ConversationActivity activity;
public void hidePgpPassphraseBox() {
@@ -163,6 +193,7 @@ public class ConversationFragment extends Fragment {
mucErrorText = (TextView) view.findViewById(R.id.muc_error_msg);
messagesView = (ListView) view.findViewById(R.id.messages_view);
+ messagesView.setOnScrollListener(mOnScrollListener);
messagesView.setTranscriptMode(ListView.TRANSCRIPT_MODE_NORMAL);
messageListAdapter = new ArrayAdapter<Message>(this.getActivity()
@@ -259,7 +290,7 @@ public class ConversationFragment extends Fragment {
} else if ((filesize == null) && (info != null)) {
if (error) {
viewHolder.time.setText(info + " \u00B7 "
- + formatedTime);
+ + formatedTime);
} else {
viewHolder.time.setText(info);
}
@@ -510,13 +541,14 @@ public class ConversationFragment extends Fragment {
} else {
displayInfoMessage(viewHolder,
R.string.install_openkeychain);
- viewHolder.message_box.setOnClickListener(new OnClickListener() {
-
- @Override
- public void onClick(View v) {
- activity.showInstallPgpDialog();
- }
- });
+ viewHolder.message_box
+ .setOnClickListener(new OnClickListener() {
+
+ @Override
+ public void onClick(View v) {
+ activity.showInstallPgpDialog();
+ }
+ });
}
} else if (item.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
displayDecryptionFailed(viewHolder);
@@ -685,12 +717,14 @@ public class ConversationFragment extends Fragment {
}
if (this.conversation.getMessages().size() == 0) {
this.messageList.clear();
+ messagesLoaded = false;
} else {
- for(Message message : this.conversation.getMessages()) {
+ for (Message message : this.conversation.getMessages()) {
if (!this.messageList.contains(message)) {
this.messageList.add(message);
}
}
+ messagesLoaded = true;
updateStatusMessages();
}
this.messageListAdapter.notifyDataSetChanged();
@@ -727,7 +761,7 @@ public class ConversationFragment extends Fragment {
}
chatMsg.setText("");
}
-
+
protected void updateStatusMessages() {
boolean addedStatusMsg = false;
if (conversation.getMode() == Conversation.MODE_SINGLE) {