src/jabber_whiteboard/inkboard-session.h

   1 /**
   2  * Inkscape::Whiteboard::InkboardSession - Whiteboard implementation of XML::Session interface
   3  *
   4  * Authors:
   5  * David Yip <yipdw@rose-hulman.edu>
   6  *
   7  * Copyright (c) 2005 Authors
   8  *
   9  * Released under GNU GPL, read the file 'COPYING' for more information
  10  */
  11
  12 #ifndef __INKSCAPE_WHITEBOARD_SESSION_H__
  13 #define __INKSCAPE_WHITEBOARD_SESSION_H__
  14
  15 #include <glibmm.h>
  16 #include <bitset>
  17
  18 #include "pedro/pedroxmpp.h"
  19 #include "jabber_whiteboard/internal-constants.h"
  20
  21 #include "xml/simple-session.h"
  22 #include "util/share.h"
  23
  24 namespace Inkscape {
  25
  26 namespace Whiteboard {
  27
  28 class InkboardSession : public GC::Managed<>,
  29                                                 public XML::Session,
  30                                                 public XML::TransactionLogger
  31 {
  32 public:
  33         InkboardSession() : _in_transaction(false) { }
  34         InkboardSession(Glib::ustring const& name) : _in_transaction(false), _name(name) { }
  35         virtual ~InkboardSession() { }
  36
  37     /**
  38      * Returns the name of this session.
  39          * \return The name of this session.
  40      */
  41     virtual Glib::ustring getName() const
  42         { return _name; }
  43
  44     /**
  45      * Sets the name of this session.
  46          *
  47          * \param val The name to use.
  48      */
  49     virtual void setName(const Glib::ustring &val)
  50         { _name = val; }
  51
  52         /**
  53          * Returns status attributes of this session.
  54          *
  55          * \return Status of this session.
  56          */
  57         virtual std::bitset< NUM_FLAGS > const& getStatus() const
  58         {
  59                 return status;
  60         }
  61
  62         //
  63         // XML::TransactionLogger methods
  64         //
  65         Session& session()
  66         {
  67                 return *this;
  68         }
  69
  70         //
  71         // XML::Session methods
  72         //
  73         bool inTransaction()
  74         {
  75                 return _in_transaction;
  76         }
  77
  78         void beginTransaction();
  79         void rollback();
  80         void commit();
  81
  82         XML::Event* commitUndoable();
  83
  84         XML::Node* createElementNode(char const* name);
  85         XML::Node* createTextNode(char const* content);
  86         XML::Node* createCommentNode(char const* content);
  87
  88         //
  89         // XML::NodeObserver methods
  90         // (inherited from XML::TransactionLogger)
  91         //
  92     void notifyChildAdded(Inkscape::XML::Node &parent, Inkscape::XML::Node &child, Inkscape::XML::Node *prev);
  93
  94     void notifyChildRemoved(Inkscape::XML::Node &parent, Inkscape::XML::Node &child, Inkscape::XML::Node *prev);
  95
  96     void notifyChildOrderChanged(Inkscape::XML::Node &parent, Inkscape::XML::Node &child,
  97                                  Inkscape::XML::Node *old_prev, Inkscape::XML::Node *new_prev);
  98
  99     void notifyContentChanged(Inkscape::XML::Node &node,
 100                               Util::ptr_shared<char> old_content,
 101                               Util::ptr_shared<char> new_content);
 102
 103     void notifyAttributeChanged(Inkscape::XML::Node &node, GQuark name,
 104                                 Util::ptr_shared<char> old_value,
 105                                 Util::ptr_shared<char> new_value);
 106
 107 private:
 108     InkboardSession(InkboardSession const &); // no copy
 109     void operator=(InkboardSession const &); // no assign
 110
 111         bool _in_transaction;
 112
 113     std::bitset< NUM_FLAGS > status;
 114         Glib::ustring _name;
 115 };
 116
 117 }
 118
 119 }
 120
 121 #endif