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authorMateusz Piekos <mateuszpiekos@gmail.com>2012-05-30 12:40:27 (GMT)
committerRemko Tronçon <git@el-tramo.be>2012-09-08 16:14:27 (GMT)
commitfe8a8aa031da734f3112184420b372021d9e10c7 (patch)
tree9f8e0b7d11d7612eb25a8682cf940fa647ca67f2 /Swiften/Whiteboard/WhiteboardTransformer.cpp
parent0174723efbc1f612433d45c6916a2ad4596b96ba (diff)
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Support whiteboarding.
License: This patch is BSD-licensed, see http://www.opensource.org/licenses/bsd-license.php
Diffstat (limited to 'Swiften/Whiteboard/WhiteboardTransformer.cpp')
-rw-r--r--Swiften/Whiteboard/WhiteboardTransformer.cpp213
1 files changed, 213 insertions, 0 deletions
diff --git a/Swiften/Whiteboard/WhiteboardTransformer.cpp b/Swiften/Whiteboard/WhiteboardTransformer.cpp
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+++ b/Swiften/Whiteboard/WhiteboardTransformer.cpp
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+/*
+ * Copyright (c) 2012 Mateusz Piękos
+ * Licensed under the simplified BSD license.
+ * See Documentation/Licenses/BSD-simplified.txt for more information.
+ */
+
+#include <Swiften/Whiteboard/WhiteboardTransformer.h>
+#include <boost/smart_ptr/make_shared.hpp>
+
+namespace Swift {
+ std::pair<WhiteboardOperation::ref, WhiteboardOperation::ref> WhiteboardTransformer::transform(WhiteboardOperation::ref clientOp, WhiteboardOperation::ref serverOp) {
+ WhiteboardInsertOperation::ref clientInsert = boost::dynamic_pointer_cast<WhiteboardInsertOperation>(clientOp);
+ WhiteboardInsertOperation::ref serverInsert = boost::dynamic_pointer_cast<WhiteboardInsertOperation>(serverOp);
+ WhiteboardUpdateOperation::ref clientUpdate = boost::dynamic_pointer_cast<WhiteboardUpdateOperation>(clientOp);
+ WhiteboardUpdateOperation::ref serverUpdate = boost::dynamic_pointer_cast<WhiteboardUpdateOperation>(serverOp);
+ WhiteboardDeleteOperation::ref clientDelete = boost::dynamic_pointer_cast<WhiteboardDeleteOperation>(clientOp);
+ WhiteboardDeleteOperation::ref serverDelete = boost::dynamic_pointer_cast<WhiteboardDeleteOperation>(serverOp);
+ if (clientInsert && serverInsert) {
+ return transform(clientInsert, serverInsert);
+ } else if (clientUpdate && serverUpdate) {
+ return transform(clientUpdate, serverUpdate);
+ } else if (clientInsert && serverUpdate) {
+ return transform(clientInsert, serverUpdate);
+ } else if (clientUpdate && serverInsert) {
+ return transform(clientUpdate, serverInsert);
+ } else if (clientDelete && serverDelete) {
+ return transform(clientDelete, serverDelete);
+ } else if (clientInsert && serverDelete) {
+ return transform(clientInsert, serverDelete);
+ } else if (clientDelete && serverInsert) {
+ return transform(clientDelete, serverInsert);
+ } else if (clientUpdate && serverDelete) {
+ return transform(clientUpdate, serverDelete);
+ } else if (clientDelete && serverUpdate) {
+ return transform(clientDelete, serverUpdate);
+ } else {
+ return std::pair<WhiteboardOperation::ref, WhiteboardOperation::ref>();
+ }
+ }
+
+ std::pair<WhiteboardOperation::ref, WhiteboardOperation::ref> WhiteboardTransformer::transform(WhiteboardInsertOperation::ref clientOp, WhiteboardInsertOperation::ref serverOp) {
+ std::pair<WhiteboardInsertOperation::ref, WhiteboardInsertOperation::ref> result;
+ result.first = boost::make_shared<WhiteboardInsertOperation>(*serverOp);
+ result.first->setParentID(clientOp->getID());
+ result.second = boost::make_shared<WhiteboardInsertOperation>(*clientOp);
+ result.second->setParentID(serverOp->getID());
+ if (clientOp->getPos() <= serverOp->getPos()) {
+ result.first->setPos(result.first->getPos()+1);
+ } else {
+ result.second->setPos(result.second->getPos()+1);
+ }
+ return result;
+ }
+
+ std::pair<WhiteboardOperation::ref, WhiteboardOperation::ref> WhiteboardTransformer::transform(WhiteboardUpdateOperation::ref clientOp, WhiteboardUpdateOperation::ref serverOp) {
+ std::pair<WhiteboardUpdateOperation::ref, WhiteboardUpdateOperation::ref> result;
+ result.first = boost::make_shared<WhiteboardUpdateOperation>(*serverOp);
+ result.first->setParentID(clientOp->getID());
+
+ if (clientOp->getPos() == serverOp->getPos()) {
+ result.second = boost::make_shared<WhiteboardUpdateOperation>(*serverOp);
+ result.second->setID(clientOp->getID());
+ result.second->setParentID(serverOp->getID());
+ } else {
+ result.second = boost::make_shared<WhiteboardUpdateOperation>(*clientOp);
+ result.second->setParentID(serverOp->getID());
+ }
+
+ if (clientOp->getPos() < serverOp->getPos() && clientOp->getNewPos() > serverOp->getPos()) {
+ result.first->setPos(result.first->getPos()-1);
+ if (clientOp->getNewPos() >= serverOp->getNewPos()) {
+ result.first->setNewPos(result.first->getNewPos()-1);
+ }
+ } else if (clientOp->getNewPos() >= serverOp->getNewPos()) {
+ result.first->setNewPos(result.first->getNewPos()-1);
+ }
+
+ if (serverOp->getPos() < clientOp->getPos() && serverOp->getNewPos() > clientOp->getPos()) {
+ result.second->setPos(result.second->getPos()-1);
+ if (serverOp->getNewPos() >= clientOp->getNewPos()) {
+ result.second->setNewPos(result.second->getNewPos()-1);
+ }
+ } else if (serverOp->getNewPos() >= clientOp->getNewPos()) {
+ result.second->setNewPos(result.second->getNewPos()-1);
+ }
+ return result;
+ }
+
+ std::pair<WhiteboardOperation::ref, WhiteboardOperation::ref> WhiteboardTransformer::transform(WhiteboardUpdateOperation::ref clientOp, WhiteboardInsertOperation::ref serverOp) {
+ std::pair<WhiteboardInsertOperation::ref, WhiteboardUpdateOperation::ref> result;
+ result.first = boost::make_shared<WhiteboardInsertOperation>(*serverOp);
+ result.first->setParentID(clientOp->getID());
+ result.second = boost::make_shared<WhiteboardUpdateOperation>(*clientOp);
+ result.second->setParentID(serverOp->getID());
+ if (serverOp->getPos() <= clientOp->getPos()) {
+ result.second->setPos(result.second->getPos()+1);
+ }
+ return result;
+ }
+
+ std::pair<WhiteboardOperation::ref, WhiteboardOperation::ref> WhiteboardTransformer::transform(WhiteboardInsertOperation::ref clientOp, WhiteboardUpdateOperation::ref serverOp) {
+ std::pair<WhiteboardUpdateOperation::ref, WhiteboardInsertOperation::ref> result;
+ result.first = boost::make_shared<WhiteboardUpdateOperation>(*serverOp);
+ result.first->setParentID(clientOp->getID());
+ result.second = boost::make_shared<WhiteboardInsertOperation>(*clientOp);
+ result.second->setParentID(serverOp->getID());
+ if (serverOp->getPos() >= clientOp->getPos()) {
+ result.first->setPos(result.first->getPos()+1);
+ }
+ return result;
+ }
+
+ std::pair<WhiteboardOperation::ref, WhiteboardOperation::ref> WhiteboardTransformer::transform(WhiteboardDeleteOperation::ref clientOp, WhiteboardDeleteOperation::ref serverOp) {
+ std::pair<WhiteboardDeleteOperation::ref, WhiteboardDeleteOperation::ref> result;
+ result.first = boost::make_shared<WhiteboardDeleteOperation>(*serverOp);
+ result.first->setParentID(clientOp->getID());
+ result.second = boost::make_shared<WhiteboardDeleteOperation>(*clientOp);
+ result.second->setParentID(serverOp->getID());
+ if (clientOp->getPos() == -1) {
+ result.second->setPos(-1);
+ }
+ if (serverOp->getPos() == -1) {
+ result.first->setPos(-1);
+ }
+ if (clientOp->getPos() < serverOp->getPos()) {
+ result.first->setPos(result.first->getPos()-1);
+ } else if (clientOp->getPos() > serverOp->getPos()) {
+ result.second->setPos(result.second->getPos()-1);
+ } else {
+ result.first->setPos(-1);
+ result.second->setPos(-1);
+ }
+ return result;
+ }
+
+ std::pair<WhiteboardOperation::ref, WhiteboardOperation::ref> WhiteboardTransformer::transform(WhiteboardInsertOperation::ref clientOp, WhiteboardDeleteOperation::ref serverOp) {
+ std::pair<WhiteboardDeleteOperation::ref, WhiteboardInsertOperation::ref> result;
+ result.first = boost::make_shared<WhiteboardDeleteOperation>(*serverOp);
+ result.first->setParentID(clientOp->getID());
+ result.second = boost::make_shared<WhiteboardInsertOperation>(*clientOp);
+ result.second->setParentID(serverOp->getID());
+ if (clientOp->getPos() <= serverOp->getPos()) {
+ result.first->setPos(result.first->getPos()+1);
+ } else if (serverOp->getPos() != -1) {
+ result.second->setPos(result.second->getPos()-1);
+ }
+ return result;
+ }
+
+ std::pair<WhiteboardOperation::ref, WhiteboardOperation::ref> WhiteboardTransformer::transform(WhiteboardDeleteOperation::ref clientOp, WhiteboardInsertOperation::ref serverOp) {
+ std::pair<WhiteboardInsertOperation::ref, WhiteboardDeleteOperation::ref> result;
+ result.first = boost::make_shared<WhiteboardInsertOperation>(*serverOp);
+ result.first->setParentID(clientOp->getID());
+ result.second = boost::make_shared<WhiteboardDeleteOperation>(*clientOp);
+ result.second->setParentID(serverOp->getID());
+ if (serverOp->getPos() <= clientOp->getPos()) {
+ result.second->setPos(result.second->getPos()+1);
+ } else if (clientOp->getPos() != -1) {
+ result.first->setPos(result.first->getPos()-1);
+ }
+ return result;
+ }
+
+ std::pair<WhiteboardOperation::ref, WhiteboardOperation::ref> WhiteboardTransformer::transform(WhiteboardUpdateOperation::ref clientOp, WhiteboardDeleteOperation::ref serverOp) {
+ std::pair<WhiteboardDeleteOperation::ref, WhiteboardOperation::ref> result;
+ result.first = boost::make_shared<WhiteboardDeleteOperation>(*serverOp);
+ result.first->setParentID(clientOp->getID());
+ WhiteboardUpdateOperation::ref updateOp = boost::make_shared<WhiteboardUpdateOperation>(*clientOp);
+ result.second = updateOp;
+ result.second->setParentID(serverOp->getID());
+ if (clientOp->getPos() == serverOp->getPos()) {
+ WhiteboardDeleteOperation::ref deleteOp = boost::make_shared<WhiteboardDeleteOperation>();
+ result.second = deleteOp;
+ result.second->setPos(-1);
+ result.second->setID(clientOp->getID());
+ result.second->setParentID(serverOp->getID());
+ deleteOp->setElementID(serverOp->getElementID());
+ } else if (clientOp->getPos() > serverOp->getPos() && clientOp->getNewPos() <= serverOp->getPos()) {
+ result.second->setPos(result.second->getPos()-1);
+ } else if (clientOp->getPos() < serverOp->getPos() && clientOp->getNewPos() >= serverOp->getPos()) {
+ updateOp->setNewPos(updateOp->getNewPos()-1);
+ } else if (clientOp->getPos() > serverOp->getPos()) {
+ result.second->setPos(result.second->getPos()-1);
+ updateOp->setNewPos(updateOp->getNewPos()-1);
+ }
+ return result;
+ }
+
+ std::pair<WhiteboardOperation::ref, WhiteboardOperation::ref> WhiteboardTransformer::transform(WhiteboardDeleteOperation::ref clientOp, WhiteboardUpdateOperation::ref serverOp) {
+ std::pair<WhiteboardOperation::ref, WhiteboardDeleteOperation::ref> result;
+ WhiteboardUpdateOperation::ref updateOp = boost::make_shared<WhiteboardUpdateOperation>(*serverOp);
+ result.first = updateOp;
+ result.first->setParentID(clientOp->getID());
+ result.second = boost::make_shared<WhiteboardDeleteOperation>(*clientOp);
+ result.second->setParentID(serverOp->getID());
+ if (clientOp->getPos() == serverOp->getPos()) {
+ WhiteboardDeleteOperation::ref deleteOp = boost::make_shared<WhiteboardDeleteOperation>();
+ result.first = deleteOp;
+ result.first->setPos(-1);
+ result.first->setID(serverOp->getID());
+ result.first->setParentID(clientOp->getID());
+ deleteOp->setElementID(clientOp->getElementID());
+ } else if (clientOp->getPos() < serverOp->getPos() && clientOp->getPos() >= serverOp->getNewPos()) {
+ result.first->setPos(result.first->getPos()-1);
+ } else if (clientOp->getPos() > serverOp->getPos() && clientOp->getPos() <= serverOp->getNewPos()) {
+ updateOp->setNewPos(updateOp->getNewPos()-1);
+ } else if (clientOp->getPos() < serverOp->getPos()) {
+ result.first->setPos(result.first->getPos()-1);
+ updateOp->setNewPos(updateOp->getNewPos()-1);
+ }
+ return result;
+ }
+}