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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/Serializer/PayloadSerializers/WhiteboardSerializer.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/Serializer/PayloadSerializers/WhiteboardSerializer.cpp')
-rw-r--r--Swiften/Serializer/PayloadSerializers/WhiteboardSerializer.cpp205
1 files changed, 205 insertions, 0 deletions
diff --git a/Swiften/Serializer/PayloadSerializers/WhiteboardSerializer.cpp b/Swiften/Serializer/PayloadSerializers/WhiteboardSerializer.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/Serializer/PayloadSerializers/WhiteboardSerializer.h>
+
+#include <boost/smart_ptr/make_shared.hpp>
+#include <boost/lexical_cast.hpp>
+#include <Swiften/Serializer/XML/XMLTextNode.h>
+#include <Swiften/Elements/Whiteboard/WhiteboardInsertOperation.h>
+#include <Swiften/Elements/Whiteboard/WhiteboardUpdateOperation.h>
+#include <Swiften/Elements/Whiteboard/WhiteboardDeleteOperation.h>
+
+namespace Swift {
+ void WhiteboardElementSerializingVisitor::visit(WhiteboardLineElement& line) {
+ element = boost::make_shared<XMLElement>("line");
+ try {
+ element->setAttribute("x1", boost::lexical_cast<std::string>(line.x1()));
+ element->setAttribute("y1", boost::lexical_cast<std::string>(line.y1()));
+ element->setAttribute("x2", boost::lexical_cast<std::string>(line.x2()));
+ element->setAttribute("y2", boost::lexical_cast<std::string>(line.y2()));
+ element->setAttribute("id", line.getID());
+ element->setAttribute("stroke", line.getColor().toHex());
+ element->setAttribute("stroke-width", boost::lexical_cast<std::string>(line.getPenWidth()));
+ element->setAttribute("opacity", alphaToOpacity(line.getColor().getAlpha()));
+ } catch (boost::bad_lexical_cast&) {
+ }
+ }
+
+ void WhiteboardElementSerializingVisitor::visit(WhiteboardFreehandPathElement& path) {
+ element = boost::make_shared<XMLElement>("path");
+ element->setAttribute("id", path.getID());
+ element->setAttribute("stroke", path.getColor().toHex());
+ try {
+ element->setAttribute("stroke-width", boost::lexical_cast<std::string>(path.getPenWidth()));
+ element->setAttribute("opacity", alphaToOpacity(path.getColor().getAlpha()));
+ std::string pathData;
+ if (path.getPoints().size() != 0) {
+ std::vector<std::pair<int, int> >::const_iterator it = path.getPoints().begin();
+ pathData = "M"+boost::lexical_cast<std::string>(it->first)+" "+boost::lexical_cast<std::string>(it->second)+"L";
+ for (; it != path.getPoints().end(); ++it) {
+ pathData += boost::lexical_cast<std::string>(it->first)+" "+boost::lexical_cast<std::string>(it->second)+" ";
+ }
+ }
+ element->setAttribute("d", pathData);
+ } catch (boost::bad_lexical_cast&) {
+ }
+ }
+
+ void WhiteboardElementSerializingVisitor::visit(WhiteboardRectElement& rect) {
+ element = boost::make_shared<XMLElement>("rect");
+ try {
+ element->setAttribute("x", boost::lexical_cast<std::string>(rect.getX()));
+ element->setAttribute("y", boost::lexical_cast<std::string>(rect.getY()));
+ element->setAttribute("width", boost::lexical_cast<std::string>(rect.getWidth()));
+ element->setAttribute("height", boost::lexical_cast<std::string>(rect.getHeight()));
+ element->setAttribute("id", rect.getID());
+ element->setAttribute("stroke", rect.getPenColor().toHex());
+ element->setAttribute("fill", rect.getBrushColor().toHex());;
+ element->setAttribute("stroke-width", boost::lexical_cast<std::string>(rect.getPenWidth()));
+ element->setAttribute("opacity", alphaToOpacity(rect.getPenColor().getAlpha()));
+ element->setAttribute("fill-opacity", alphaToOpacity(rect.getBrushColor().getAlpha()));
+ } catch (boost::bad_lexical_cast&) {
+ }
+ }
+
+ void WhiteboardElementSerializingVisitor::visit(WhiteboardPolygonElement& polygon) {
+ element = boost::make_shared<XMLElement>("polygon");
+ try {
+ element->setAttribute("id", polygon.getID());
+ element->setAttribute("stroke", polygon.getPenColor().toHex());
+ element->setAttribute("fill", polygon.getBrushColor().toHex());;
+ element->setAttribute("stroke-width", boost::lexical_cast<std::string>(polygon.getPenWidth()));
+ element->setAttribute("opacity", alphaToOpacity(polygon.getPenColor().getAlpha()));
+ element->setAttribute("fill-opacity", alphaToOpacity(polygon.getBrushColor().getAlpha()));
+ std::string points;
+ std::vector<std::pair<int, int> >::const_iterator it = polygon.getPoints().begin();
+ for (; it != polygon.getPoints().end(); ++it) {
+ points += boost::lexical_cast<std::string>(it->first)+","+boost::lexical_cast<std::string>(it->second)+" ";
+ }
+ element->setAttribute("points", points);
+ } catch (boost::bad_lexical_cast&) {
+ }
+ }
+
+ void WhiteboardElementSerializingVisitor::visit(WhiteboardTextElement& text) {
+ element = boost::make_shared<XMLElement>("text");
+ try {
+ element->setAttribute("x", boost::lexical_cast<std::string>(text.getX()));
+ element->setAttribute("y", boost::lexical_cast<std::string>(text.getY()));
+ element->setAttribute("font-size", boost::lexical_cast<std::string>(text.getSize()));
+ element->setAttribute("id", text.getID());
+ element->setAttribute("fill", text.getColor().toHex());
+ element->setAttribute("opacity", alphaToOpacity(text.getColor().getAlpha()));
+ element->addNode(boost::make_shared<XMLTextNode>(text.getText()));
+ } catch (boost::bad_lexical_cast&) {
+ }
+ }
+
+ void WhiteboardElementSerializingVisitor::visit(WhiteboardEllipseElement& ellipse) {
+ element = boost::make_shared<XMLElement>("ellipse");
+ try {
+ element->setAttribute("cx", boost::lexical_cast<std::string>(ellipse.getCX()));
+ element->setAttribute("cy", boost::lexical_cast<std::string>(ellipse.getCY()));
+ element->setAttribute("rx", boost::lexical_cast<std::string>(ellipse.getRX()));
+ element->setAttribute("ry", boost::lexical_cast<std::string>(ellipse.getRY()));
+ element->setAttribute("id", ellipse.getID());
+ element->setAttribute("stroke", ellipse.getPenColor().toHex());
+ element->setAttribute("fill", ellipse.getBrushColor().toHex());;
+ element->setAttribute("stroke-width", boost::lexical_cast<std::string>(ellipse.getPenWidth()));
+ element->setAttribute("opacity", alphaToOpacity(ellipse.getPenColor().getAlpha()));
+ element->setAttribute("fill-opacity", alphaToOpacity(ellipse.getBrushColor().getAlpha()));
+ } catch (boost::bad_lexical_cast&) {
+ }
+ }
+
+ std::string WhiteboardElementSerializingVisitor::intToStr(const int t) const {
+ std::stringstream ss;
+ ss << t;
+ return ss.str();
+ }
+
+ XMLElement::ref WhiteboardElementSerializingVisitor::getResult() const {
+ return element;
+ }
+
+ std::string WhiteboardElementSerializingVisitor::alphaToOpacity(int alpha) const {
+ int opacity = 100*alpha/254;
+ if (opacity == 100) {
+ return "1";
+ } else {
+ return "."+boost::lexical_cast<std::string>(opacity);
+ }
+ }
+
+ std::string WhiteboardSerializer::serializePayload(boost::shared_ptr<WhiteboardPayload> payload) const {
+ XMLElement element("wb", "http://swift.im/whiteboard");
+ if (payload->getType() == WhiteboardPayload::Data) {
+ XMLElement::ref operationNode = boost::make_shared<XMLElement>("operation");
+ WhiteboardElementSerializingVisitor visitor;
+// payload->getElement()->accept(visitor);
+ WhiteboardInsertOperation::ref insertOp = boost::dynamic_pointer_cast<WhiteboardInsertOperation>(payload->getOperation());
+ if (insertOp) {
+ try {
+ operationNode->setAttribute("type", "insert");
+ operationNode->setAttribute("pos", boost::lexical_cast<std::string>(insertOp->getPos()));
+ operationNode->setAttribute("id", insertOp->getID());
+ operationNode->setAttribute("parentid", insertOp->getParentID());
+ } catch (boost::bad_lexical_cast&) {
+ }
+ insertOp->getElement()->accept(visitor);
+ operationNode->addNode(visitor.getResult());
+ }
+ WhiteboardUpdateOperation::ref updateOp = boost::dynamic_pointer_cast<WhiteboardUpdateOperation>(payload->getOperation());
+ if (updateOp) {
+ try {
+ operationNode->setAttribute("type", "update");
+ operationNode->setAttribute("pos", boost::lexical_cast<std::string>(updateOp->getPos()));
+ operationNode->setAttribute("id", updateOp->getID());
+ operationNode->setAttribute("parentid", updateOp->getParentID());
+ operationNode->setAttribute("newpos", boost::lexical_cast<std::string>(updateOp->getNewPos()));
+ } catch (boost::bad_lexical_cast&) {
+ }
+ updateOp->getElement()->accept(visitor);
+ operationNode->addNode(visitor.getResult());
+
+ }
+
+ WhiteboardDeleteOperation::ref deleteOp = boost::dynamic_pointer_cast<WhiteboardDeleteOperation>(payload->getOperation());
+ if (deleteOp) {
+ try {
+ operationNode->setAttribute("type", "delete");
+ operationNode->setAttribute("pos", boost::lexical_cast<std::string>(deleteOp->getPos()));
+ operationNode->setAttribute("id", deleteOp->getID());
+ operationNode->setAttribute("parentid", deleteOp->getParentID());
+ operationNode->setAttribute("elementid", deleteOp->getElementID());
+ } catch (boost::bad_lexical_cast&) {
+ }
+ }
+ element.addNode(operationNode);
+ }
+ element.setAttribute("type", typeToString(payload->getType()));
+ return element.serialize();
+ }
+
+ std::string WhiteboardSerializer::typeToString(WhiteboardPayload::Type type) const {
+ switch (type) {
+ case WhiteboardPayload::Data:
+ return "data";
+ case WhiteboardPayload::SessionRequest:
+ return "session-request";
+ case WhiteboardPayload::SessionAccept:
+ return "session-accept";
+ case WhiteboardPayload::SessionTerminate:
+ return "session-terminate";
+ case WhiteboardPayload::UnknownType:
+ std::cerr << "Serializing unknown action value." << std::endl;
+ return "";
+ }
+ assert(false);
+ return "";
+ }
+}