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/*
* Copyright (c) 2010-2015, Isode Limited, London, England.
* All rights reserved.
*/
package com.isode.stroke.muc;
import java.util.Vector;
import com.isode.stroke.elements.ErrorPayload;
import com.isode.stroke.elements.Storage;
import com.isode.stroke.queries.IQRouter;
import com.isode.stroke.queries.requests.GetPrivateStorageRequest;
import com.isode.stroke.queries.requests.SetPrivateStorageRequest;
import com.isode.stroke.signals.Signal;
import com.isode.stroke.signals.Signal1;
import com.isode.stroke.signals.Slot2;
/**
* Class representing a manager for MUC Bookmarks
*
*/
public class MUCBookmarkManager {
private boolean ready_;
private Vector<MUCBookmark> bookmarks_ = new Vector<MUCBookmark>();
private IQRouter iqRouter_;
private Storage storage = new Storage();
/**
* Constructor
* @param iqRouter IQ router,not null
*/
public MUCBookmarkManager(IQRouter iqRouter) {
iqRouter_ = iqRouter;
ready_ = false;
GetPrivateStorageRequest<Storage> request = GetPrivateStorageRequest.create(storage,iqRouter_);
request.onResponse.connect(new Slot2<Storage, ErrorPayload>(){
@Override
public void call(Storage p1, ErrorPayload p2) {
handleBookmarksReceived(p1, p2);
}
});
request.send();
}
/**
* Replace the bookmark
* @param oldBookmark bookmark to be replaced, not null
* @param newBookmark bookmark to replace with
*/
public void replaceBookmark(MUCBookmark oldBookmark, MUCBookmark newBookmark) {
if (!ready_) return;
for (int i = 0; i < bookmarks_.size(); i++) {
if (bookmarks_.get(i).equals(oldBookmark)) {
bookmarks_.add(i, newBookmark);
flush();
onBookmarkRemoved.emit(oldBookmark);
onBookmarkAdded.emit(newBookmark);
return;
}
}
}
/**
* Add a bookmark
* @param bookmark bookmark to be added, not null
*/
public void addBookmark(MUCBookmark bookmark) {
if (!ready_) return;
bookmarks_.add(bookmark);
onBookmarkAdded.emit(bookmark);
flush();
}
/**
* Remove the given bookmark
* @param bookmark bookmark to be removed
*/
public void removeBookmark(MUCBookmark bookmark) {
if (!ready_) return;
for (MUCBookmark mb : bookmarks_) {
if (mb.equals(bookmark)) {
bookmarks_.remove(mb);
onBookmarkRemoved.emit(bookmark);
break;
}
}
flush();
}
/**
* Get a list of bookmarks
* @return list of bookmarks, can be empty but not null
*/
public Vector<MUCBookmark> getBookmarks() {
return bookmarks_;
}
public Signal1<MUCBookmark> onBookmarkAdded = new Signal1<MUCBookmark>();
public Signal1<MUCBookmark> onBookmarkRemoved = new Signal1<MUCBookmark>();
/**
* When server bookmarks are ready to be used (request response has been received).
*/
public Signal onBookmarksReady = new Signal();
private void handleBookmarksReceived(Storage payload, ErrorPayload error) {
if (error != null) {
return;
}
ready_ = true;
onBookmarksReady.emit();
storage = payload;
Vector<MUCBookmark> receivedBookmarks = new Vector<MUCBookmark>();
if (payload != null) for (Storage.Room room : payload.getRooms()) {
receivedBookmarks.add(new MUCBookmark(room));
}
Vector<MUCBookmark> newBookmarks = new Vector<MUCBookmark>();
for (MUCBookmark oldBookmark : bookmarks_) {
if (containsEquivalent(receivedBookmarks,oldBookmark)) {
newBookmarks.add(oldBookmark);
} else {
onBookmarkRemoved.emit(oldBookmark);
}
}
for (MUCBookmark newBookmark : receivedBookmarks) {
if (!containsEquivalent(bookmarks_,newBookmark)) {
newBookmarks.add(newBookmark);
onBookmarkAdded.emit(newBookmark);
}
}
bookmarks_ = newBookmarks;
}
private boolean containsEquivalent(Vector<MUCBookmark> list, MUCBookmark bookmark) {
for(MUCBookmark mb : list) {
if(mb.equals(bookmark)) {
return true;
}
}
return false;
}
private void flush() {
if (storage == null) {
storage = new Storage();
}
// Update the storage element
storage.clearRooms();
for(MUCBookmark bookmark :bookmarks_) {
storage.addRoom(bookmark.toStorage());
}
// Send an iq to save the storage element
SetPrivateStorageRequest<Storage> request = SetPrivateStorageRequest.create(storage, iqRouter_);
// FIXME: We should care about the result
/*request.onResponse.connect(new Slot1<ErrorPayload>() {
@Override
public void call(ErrorPayload p1) {
}
});*/
request.send();
}
}
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Swift