@@ -567,9 +567,6 @@ public class Conversation extends AbstractEntity {
public void sort() {
synchronized (this.messages) {
- for(Message message : this.messages) {
- message.untie();
- }
Collections.sort(this.messages,new Comparator<Message>() {
@Override
public int compare(Message left, Message right) {
@@ -582,6 +579,9 @@ public class Conversation extends AbstractEntity {
}
}
});
+ for(Message message : this.messages) {
+ message.untie();
+ }
}
}
@@ -320,8 +320,8 @@ public class Message extends AbstractEntity {
}
public Message next() {
- if (this.mNextMessage == null) {
- synchronized (this.conversation.messages) {
+ synchronized (this.conversation.messages) {
+ if (this.mNextMessage == null) {
int index = this.conversation.messages.indexOf(this);
if (index < 0
|| index >= this.conversation.getMessages().size() - 1) {
@@ -331,13 +331,14 @@ public class Message extends AbstractEntity {
.get(index + 1);
}
}
+ return this.mNextMessage;
}
- return this.mNextMessage;
}
public Message prev() {
- if (this.mPreviousMessage == null) {
- synchronized (this.conversation.messages) {
+ synchronized (this.conversation.messages) {
+ if (this.mPreviousMessage == null) {
+
int index = this.conversation.messages.indexOf(this);
if (index <= 0 || index > this.conversation.messages.size()) {
this.mPreviousMessage = null;
@@ -346,8 +347,8 @@ public class Message extends AbstractEntity {
.get(index - 1);
}
}
+ return this.mPreviousMessage;
}
- return this.mPreviousMessage;
}
public boolean mergeable(final Message message) {
@@ -112,8 +112,10 @@ public class IqGenerator extends AbstractGenerator {
data.put("start",getTimestamp(mam.getStart()));
data.put("end",getTimestamp(mam.getEnd()));
query.addChild(data);
- if (mam.getAfter() != null) {
- query.addChild("set", "http://jabber.org/protocol/rsm").addChild("after").setContent(mam.getAfter());
+ if (mam.getPagingOrder() == MessageArchiveService.PagingOrder.NORMAL) {
+ query.addChild("set", "http://jabber.org/protocol/rsm").addChild("after").setContent(mam.getReference());
+ } else {
+ query.addChild("set", "http://jabber.org/protocol/rsm").addChild("before").setContent(mam.getReference());
}
return packet;
}
@@ -23,6 +23,11 @@ public class MessageArchiveService implements OnAdvancedStreamFeaturesLoaded {
private final HashSet<Query> queries = new HashSet<Query>();
+ public enum PagingOrder {
+ NORMAL,
+ REVERSE
+ };
+
public MessageArchiveService(final XmppConnectionService service) {
this.mXmppConnectionService = service;
}
@@ -72,7 +77,7 @@ public class MessageArchiveService implements OnAdvancedStreamFeaturesLoaded {
} else if (end - start >= Config.MAX_HISTORY_AGE) {
start = end - Config.MAX_HISTORY_AGE;
}
- final Query query = new Query(conversation, start, end);
+ final Query query = new Query(conversation, start, end,PagingOrder.REVERSE);
this.queries.add(query);
this.execute(query);
}
@@ -115,6 +120,17 @@ public class MessageArchiveService implements OnAdvancedStreamFeaturesLoaded {
}
}
+ public boolean queryInProgress(Conversation conversation) {
+ synchronized (this.queries) {
+ for(Query query : queries) {
+ if (query.conversation == conversation) {
+ return true;
+ }
+ }
+ return false;
+ }
+ }
+
public void processFin(Element fin) {
if (fin == null) {
return;
@@ -126,11 +142,19 @@ public class MessageArchiveService implements OnAdvancedStreamFeaturesLoaded {
boolean complete = fin.getAttributeAsBoolean("complete");
Element set = fin.findChild("set","http://jabber.org/protocol/rsm");
Element last = set == null ? null : set.findChild("last");
- if (complete || last == null) {
+ Element first = set == null ? null : set.findChild("first");
+ Element relevant = query.getPagingOrder() == PagingOrder.NORMAL ? last : first;
+ if (complete || relevant == null) {
this.finalizeQuery(query);
} else {
- final Query nextQuery = query.next(last == null ? null : last.getContent());
+ final Query nextQuery;
+ if (query.getPagingOrder() == PagingOrder.NORMAL) {
+ nextQuery = query.next(last == null ? null : last.getContent());
+ } else {
+ nextQuery = query.prev(first == null ? null : first.getContent());
+ }
this.execute(nextQuery);
+ this.finalizeQuery(query);
synchronized (this.queries) {
this.queries.remove(query);
this.queries.add(nextQuery);
@@ -164,9 +188,11 @@ public class MessageArchiveService implements OnAdvancedStreamFeaturesLoaded {
private long end;
private Jid with = null;
private String queryId;
- private String after = null;
+ private String reference = null;
private Account account;
private Conversation conversation;
+ private PagingOrder pagingOrder = PagingOrder.NORMAL;
+
public Query(Conversation conversation, long start, long end) {
this(conversation.getAccount(), start, end);
@@ -174,6 +200,11 @@ public class MessageArchiveService implements OnAdvancedStreamFeaturesLoaded {
this.with = conversation.getContactJid().toBareJid();
}
+ public Query(Conversation conversation, long start, long end, PagingOrder order) {
+ this(conversation,start,end);
+ this.pagingOrder = order;
+ }
+
public Query(Account account, long start, long end) {
this.account = account;
this.start = start;
@@ -181,16 +212,32 @@ public class MessageArchiveService implements OnAdvancedStreamFeaturesLoaded {
this.queryId = new BigInteger(50, mXmppConnectionService.getRNG()).toString(32);
}
- public Query next(String after) {
+ private Query page(String reference) {
Query query = new Query(this.account,this.start,this.end);
- query.after = after;
+ query.reference = reference;
query.conversation = conversation;
query.with = with;
return query;
}
- public String getAfter() {
- return after;
+ public Query next(String reference) {
+ Query query = page(reference);
+ query.pagingOrder = PagingOrder.NORMAL;
+ return query;
+ }
+
+ public Query prev(String reference) {
+ Query query = page(reference);
+ query.pagingOrder = PagingOrder.REVERSE;
+ return query;
+ }
+
+ public String getReference() {
+ return reference;
+ }
+
+ public PagingOrder getPagingOrder() {
+ return this.pagingOrder;
}
public String getQueryId() {
@@ -230,9 +277,13 @@ public class MessageArchiveService implements OnAdvancedStreamFeaturesLoaded {
builder.append(AbstractGenerator.getTimestamp(this.start));
builder.append(", end=");
builder.append(AbstractGenerator.getTimestamp(this.end));
- if (this.after!=null) {
- builder.append(", after=");
- builder.append(this.after);
+ if (this.reference!=null) {
+ if (this.pagingOrder == PagingOrder.NORMAL) {
+ builder.append(", after=");
+ } else {
+ builder.append(", before=");
+ }
+ builder.append(this.reference);
}
return builder.toString();
}
@@ -956,6 +956,9 @@ public class XmppConnectionService extends Service implements OnPhoneContactsLoa
}
public int loadMoreMessages(Conversation conversation, long timestamp) {
+ if (this.getMessageArchiveService().queryInProgress(conversation)) {
+ return 0;
+ }
List<Message> messages = databaseBackend.getMessages(conversation, 50,
timestamp);
for (Message message : messages) {