Code

Rename LPE: mirror reflect --> mirror symmetry
[inkscape.git] / src / jabber_whiteboard / inkboard-document.h
index 45a4178d46cbd6671bda13eb45afb76a01f74b54..6bfcab59b6599597b68d08666a6ef1a266d11359 100644 (file)
@@ -17,6 +17,7 @@
 #include "document.h"
 #include "xml/document.h"
 #include "xml/simple-node.h"
+#include "xml/node-observer.h"
 #include "jabber_whiteboard/defines.h"
 #include "jabber_whiteboard/keynode.h"
 #include "jabber_whiteboard/session-manager.h"
@@ -25,7 +26,10 @@ namespace Inkscape {
 
 namespace Whiteboard {
 
-class InkboardDocument : public XML::SimpleNode, public XML::Document {
+class InkboardDocument : public XML::SimpleNode,
+                         public XML::Document,
+                         public XML::NodeObserver
+{
 public:
        
     explicit InkboardDocument(int code, State::SessionType sessionType, Glib::ustring const& to);
@@ -48,18 +52,71 @@ public:
     void terminateSession();
 
     void recieve(Message::Wrapper &wrapper, Pedro::Element* data);
-    bool send(const Glib::ustring &destJid, Message::Wrapper &mwrapper, Message::Message &message);
+    bool send(const Glib::ustring &destJid, Message::Wrapper &mwrapper, 
+            Message::Message &message);
 
     void sendDocument(Inkscape::XML::Node* root);
 
     bool handleOutgoingState(Message::Wrapper &wrapper,Glib::ustring const& message);
     bool handleIncomingState(Message::Wrapper &wrapper,Pedro::Element* data);
 
-    bool handleState(State::SessionState expectedState, State::SessionState newstate);
+    bool handleState(State::SessionState expectedState, 
+            State::SessionState newstate);
 
+    void handleChange(Message::Wrapper &wrapper, Pedro::Element* data);
+
+    NodeObserver *logger() { return this; }
+
+    // 
+    // XML::Session methods
+    // 
+    bool inTransaction() 
+    {
+       return _in_transaction;
+    }
+
+    void beginTransaction();
+    void rollback();
+    void commit();
+
+    XML::Event* commitUndoable();
+
+    XML::Node* createElement(char const* name);
+    XML::Node* createTextNode(char const* content);
+    XML::Node* createComment(char const* content);
+    XML::Node* createPI(char const *target, char const* content);
+
+    //
+    // XML::NodeObserver methods
+    //
+    void notifyChildAdded(Inkscape::XML::Node &parent, Inkscape::XML::Node &child, Inkscape::XML::Node *prev);
+
+    void notifyChildRemoved(Inkscape::XML::Node &parent, Inkscape::XML::Node &child, Inkscape::XML::Node *prev);
+
+    void notifyChildOrderChanged(Inkscape::XML::Node &parent, Inkscape::XML::Node &child,
+                                 Inkscape::XML::Node *old_prev, Inkscape::XML::Node *new_prev);
+
+    void notifyContentChanged(Inkscape::XML::Node &node,
+                              Util::ptr_shared<char> old_content,
+                              Util::ptr_shared<char> new_content);
+
+    void notifyAttributeChanged(Inkscape::XML::Node &node, GQuark name,
+                                Util::ptr_shared<char> old_value,
+                                Util::ptr_shared<char> new_value);
+
+    /* Functions below are defined in inkboard-node.cpp */
     Glib::ustring addNodeToTracker(Inkscape::XML::Node* node);
     Message::Message composeNewMessage(Inkscape::XML::Node *node);
 
+    void changeConfigure(Glib::ustring target, unsigned int version,
+            Glib::ustring attribute, Glib::ustring value);
+
+    void changeNew(Glib::ustring target, Glib::ustring, 
+            signed int index, Pedro::Element* data);
+
+    void changeConfigureText(Glib::ustring target, unsigned int version,
+            Glib::ustring text);
+
 protected:
        /**
         * Copy constructor.
@@ -67,18 +124,19 @@ protected:
         * \param orig Instance to copy.
         */
        InkboardDocument(InkboardDocument const& orig) :
-               XML::Node(), XML::SimpleNode(orig), XML::Document(), recipient(orig.recipient)
+               XML::Node(), XML::SimpleNode(orig),
+                XML::Document(), XML::NodeObserver(),
+                recipient(orig.recipient), _in_transaction(false)
        {
                _initBindings();
        }
 
-       XML::SimpleNode* _duplicate() const
+       XML::SimpleNode* _duplicate(XML::Document* /*xml_doc*/) const
        {
                return new InkboardDocument(*this);
        }
 
 private:
-
     void _initBindings();
 
     SessionManager      *sm;
@@ -87,6 +145,8 @@ private:
 
     Glib::ustring sessionId;
     Glib::ustring recipient;
+
+    bool _in_transaction;
 };
 
 }