gnomevfs.h

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// Name:        gnomevfs.h
// Author:      Joe Yates
// Purpose:     gnomevfs wrapper class
// Created:     2004-11-25
// Copyright:   (c) Joe Yates
// License:     BSD license (see the file 'LICENSE.txt')

#ifndef __wxGnomeVfs_h__
#define __wxGnomeVfs_h__

#include "wx/defs.h"
#include "wx/dynlib.h"
#include "wx/string.h"
#include <wx/filename.h>
#include <wx/dynarray.h>

#include "glib-2.0/glib/gtypes.h"
#include "libgnomevfs/gnome-vfs.h"
#include "libgnomevfs/gnome-vfs-mime-utils.h"
#include "libgnomevfs/gnome-vfs-mime-handlers.h"

/*
From libgnomevfs/gnome-vfs-mime-handlers.h

typedef struct {
        char *id;
        char *name;
        char *command;
        gboolean can_open_multiple_files;
        GnomeVFSMimeApplicationArgumentType expects_uris;
        GList *supported_uri_schemes;
        gboolean requires_terminal;
        void *reserved1;
        void *reserved2;
                                                                                                                             
} GnomeVFSMimeApplication;

*/

class wxGnomeVfs;
  
class wxGnomeVFSMimeApplication
  {
  friend class wxGnomeVfs;

  public:
    // Constructor for invalid instances
    wxGnomeVFSMimeApplication();
    wxGnomeVFSMimeApplication(const wxGnomeVFSMimeApplication& vma);

  protected:
    wxGnomeVFSMimeApplication(GnomeVFSMimeApplication * gvma);

  public:
    bool IsValid()
      { return (m_gvma != NULL)? true : false; }
    wxString GetId()
      { return m_sId; }
    wxString GetCommand()
      { return m_sCommand; }

  private:
    GnomeVFSMimeApplication * m_gvma;
    wxString  m_sId;
    wxString  m_sName;
    wxString  m_sCommand;
    wxString  m_sIconName;
  };

WX_DECLARE_OBJARRAY(wxGnomeVFSMimeApplication, wxArrayGnomeVFSMimeApplication);

class wxGnomeVfs
  {
  public:
    // constructors
    wxGnomeVfs();
    ~wxGnomeVfs();
  
  // Methods
  public:
    bool              IsLoaded() const;
    wxString          GetMimeType(const wxString& Uri) const;
    wxString          GetDescription(const wxString& sMimeType) const;
    bool              SetDescription(const wxString& sMimeType, const wxString& sNewDescription) const;
    wxFileName        GetIconPath(const wxString& sMimeType) const;
    bool              SetIconPath(const wxString& sMimeType, const wxFileName& fnmNewIcon) const;
    wxArrayString     GetExtensions(const wxString& sMimeType) const;
    bool              SetExtensions(const wxString& sMimeType, const wxArrayString& asNewExtensions) const;

    wxArrayGnomeVFSMimeApplication  GetShortListApplications(const wxString& sMimeType) const;
    wxString          GetCommand(const wxString& sApplicationId) const;

    wxGnomeVFSMimeApplication GetDefaultApplication(const wxString& sMimeType) const;
    void              FreeGnomeVFSMimeApplication(wxGnomeVFSMimeApplication& gva) const;
    wxString          GetIconName(wxGnomeVFSMimeApplication& gva) const;

  // Typedefs
  private:
    typedef gboolean (* wxgnome_vfs_initType)();
    typedef gboolean (* wxgnome_vfs_initializedType)();
    typedef void (* wxgnome_vfs_shutdownType)();
    typedef char* (* wxgnome_vfs_get_mime_typeType)(char*);
    typedef const char* (* wxgnome_vfs_mime_get_descriptionType)(const char *);
    typedef const char* (* wxgnome_vfs_mime_get_iconType)(const char *);
    typedef GList * (* wxgnome_vfs_mime_get_short_list_applicationsType)(const char*);
    typedef GnomeVFSMimeApplication * (* wxgnome_vfs_mime_get_default_applicationType)(const char*);
    typedef void (* gnome_vfs_mime_application_freeType)(GnomeVFSMimeApplication *);
    typedef void (* wxgnome_vfs_mime_application_list_freeType)(GList *);
    typedef GList * (* wxgnome_vfs_mime_get_extensions_listType)(const char*);
    typedef void (* wxgnome_vfs_mime_extensions_list_freeType)(GList *);
    typedef GnomeVFSMimeApplication * (* wxgnome_vfs_mime_application_new_from_idType)(const char *);
    typedef const char* (* gnome_vfs_mime_application_get_iconType)(GnomeVFSMimeApplication *app);

  private:
    bool LoadGnomeVFS();

  private:
    wxDynamicLibrary  m_libgnomevfs;
    bool              m_bLoaded;
    bool              m_bNeedsShutdown;

    // Function pointers
    wxgnome_vfs_initType                              wxgnome_vfs_init;
    wxgnome_vfs_initializedType                       wxgnome_vfs_initialized;
    wxgnome_vfs_shutdownType                          wxgnome_vfs_shutdown;
    wxgnome_vfs_get_mime_typeType                     wxgnome_vfs_get_mime_type;
    wxgnome_vfs_mime_get_descriptionType              wxgnome_vfs_mime_get_description;
    wxgnome_vfs_mime_get_iconType                     wxgnome_vfs_mime_get_icon;
    wxgnome_vfs_mime_get_short_list_applicationsType  wxgnome_vfs_mime_get_short_list_applications;
    wxgnome_vfs_mime_get_default_applicationType      wxgnome_vfs_mime_get_default_application;
    gnome_vfs_mime_application_freeType               gnome_vfs_mime_application_free;
    wxgnome_vfs_mime_application_list_freeType        wxgnome_vfs_mime_application_list_free;
    wxgnome_vfs_mime_get_extensions_listType          wxgnome_vfs_mime_get_extensions_list;
    wxgnome_vfs_mime_extensions_list_freeType         wxgnome_vfs_mime_extensions_list_free;
    wxgnome_vfs_mime_application_new_from_idType      wxgnome_vfs_mime_application_new_from_id;
    gnome_vfs_mime_application_get_iconType           gnome_vfs_mime_application_get_icon;
  };

#endif // ndef __wxGnomeVfs_h__

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