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/*
* Copyright (c) 2012 Mateusz Piękos
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
/*
* Copyright (c) 2016 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#include <Swiften/Serializer/PayloadSerializers/WhiteboardSerializer.h>
#include <memory>
#include <boost/lexical_cast.hpp>
#include <Swiften/Base/Log.h>
#include <Swiften/Elements/Whiteboard/WhiteboardDeleteOperation.h>
#include <Swiften/Elements/Whiteboard/WhiteboardInsertOperation.h>
#include <Swiften/Elements/Whiteboard/WhiteboardUpdateOperation.h>
#include <Swiften/Serializer/XML/XMLTextNode.h>
namespace Swift {
void WhiteboardElementSerializingVisitor::visit(WhiteboardLineElement& line) {
element = std::make_shared<XMLElement>("line");
try {
element->setAttribute("x1", std::to_string(line.x1()));
element->setAttribute("y1", std::to_string(line.y1()));
element->setAttribute("x2", std::to_string(line.x2()));
element->setAttribute("y2", std::to_string(line.y2()));
element->setAttribute("id", line.getID());
element->setAttribute("stroke", line.getColor().toHex());
element->setAttribute("stroke-width", std::to_string(line.getPenWidth()));
element->setAttribute("opacity", alphaToOpacity(line.getColor().getAlpha()));
} catch (boost::bad_lexical_cast&) {
}
}
void WhiteboardElementSerializingVisitor::visit(WhiteboardFreehandPathElement& path) {
element = std::make_shared<XMLElement>("path");
element->setAttribute("id", path.getID());
element->setAttribute("stroke", path.getColor().toHex());
try {
element->setAttribute("stroke-width", std::to_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"+std::to_string(it->first)+" "+std::to_string(it->second)+"L";
for (; it != path.getPoints().end(); ++it) {
pathData += std::to_string(it->first)+" "+std::to_string(it->second)+" ";
}
}
element->setAttribute("d", pathData);
} catch (boost::bad_lexical_cast&) {
}
}
void WhiteboardElementSerializingVisitor::visit(WhiteboardRectElement& rect) {
element = std::make_shared<XMLElement>("rect");
try {
element->setAttribute("x", std::to_string(rect.getX()));
element->setAttribute("y", std::to_string(rect.getY()));
element->setAttribute("width", std::to_string(rect.getWidth()));
element->setAttribute("height", std::to_string(rect.getHeight()));
element->setAttribute("id", rect.getID());
element->setAttribute("stroke", rect.getPenColor().toHex());
element->setAttribute("fill", rect.getBrushColor().toHex());;
element->setAttribute("stroke-width", std::to_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 = std::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", std::to_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 += std::to_string(it->first)+","+std::to_string(it->second)+" ";
}
element->setAttribute("points", points);
} catch (boost::bad_lexical_cast&) {
}
}
void WhiteboardElementSerializingVisitor::visit(WhiteboardTextElement& text) {
element = std::make_shared<XMLElement>("text");
try {
element->setAttribute("x", std::to_string(text.getX()));
element->setAttribute("y", std::to_string(text.getY()));
element->setAttribute("font-size", std::to_string(text.getSize()));
element->setAttribute("id", text.getID());
element->setAttribute("fill", text.getColor().toHex());
element->setAttribute("opacity", alphaToOpacity(text.getColor().getAlpha()));
element->addNode(std::make_shared<XMLTextNode>(text.getText()));
} catch (boost::bad_lexical_cast&) {
}
}
void WhiteboardElementSerializingVisitor::visit(WhiteboardEllipseElement& ellipse) {
element = std::make_shared<XMLElement>("ellipse");
try {
element->setAttribute("cx", std::to_string(ellipse.getCX()));
element->setAttribute("cy", std::to_string(ellipse.getCY()));
element->setAttribute("rx", std::to_string(ellipse.getRX()));
element->setAttribute("ry", std::to_string(ellipse.getRY()));
element->setAttribute("id", ellipse.getID());
element->setAttribute("stroke", ellipse.getPenColor().toHex());
element->setAttribute("fill", ellipse.getBrushColor().toHex());;
element->setAttribute("stroke-width", std::to_string(ellipse.getPenWidth()));
element->setAttribute("opacity", alphaToOpacity(ellipse.getPenColor().getAlpha()));
element->setAttribute("fill-opacity", alphaToOpacity(ellipse.getBrushColor().getAlpha()));
} catch (boost::bad_lexical_cast&) {
}
}
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 "."+std::to_string(opacity);
}
}
std::string WhiteboardSerializer::serializePayload(std::shared_ptr<WhiteboardPayload> payload) const {
XMLElement element("wb", "http://swift.im/whiteboard");
if (payload->getType() == WhiteboardPayload::Data) {
XMLElement::ref operationNode = std::make_shared<XMLElement>("operation");
WhiteboardElementSerializingVisitor visitor;
// payload->getElement()->accept(visitor);
WhiteboardInsertOperation::ref insertOp = std::dynamic_pointer_cast<WhiteboardInsertOperation>(payload->getOperation());
if (insertOp) {
try {
operationNode->setAttribute("type", "insert");
operationNode->setAttribute("pos", std::to_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 = std::dynamic_pointer_cast<WhiteboardUpdateOperation>(payload->getOperation());
if (updateOp) {
try {
operationNode->setAttribute("type", "update");
operationNode->setAttribute("pos", std::to_string(updateOp->getPos()));
operationNode->setAttribute("id", updateOp->getID());
operationNode->setAttribute("parentid", updateOp->getParentID());
operationNode->setAttribute("newpos", std::to_string(updateOp->getNewPos()));
} catch (boost::bad_lexical_cast&) {
}
updateOp->getElement()->accept(visitor);
operationNode->addNode(visitor.getResult());
}
WhiteboardDeleteOperation::ref deleteOp = std::dynamic_pointer_cast<WhiteboardDeleteOperation>(payload->getOperation());
if (deleteOp) {
try {
operationNode->setAttribute("type", "delete");
operationNode->setAttribute("pos", std::to_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:
SWIFT_LOG(warning) << "Serializing unknown action value." << std::endl;
return "";
}
assert(false);
return "";
}
}
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Swift