glib/gio/giotypes.h

197 lines
7.1 KiB
C
Raw Normal View History

/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif
#ifndef __GIO_TYPES_H__
#define __GIO_TYPES_H__
#include <gio/gioenums.h>
G_BEGIN_DECLS
typedef struct _GAppLaunchContext GAppLaunchContext;
typedef struct _GAppInfo GAppInfo; /* Dummy typedef */
typedef struct _GAsyncResult GAsyncResult; /* Dummy typedef */
typedef struct _GBufferedInputStream GBufferedInputStream;
typedef struct _GBufferedOutputStream GBufferedOutputStream;
typedef struct _GCancellable GCancellable;
typedef struct _GDataInputStream GDataInputStream;
/**
* GDrive:
*
* Opaque drive object.
**/
typedef struct _GDrive GDrive; /* Dummy typedef */
typedef struct _GFileEnumerator GFileEnumerator;
typedef struct _GFileMonitor GFileMonitor;
typedef struct _GFilterInputStream GFilterInputStream;
typedef struct _GFilterOutputStream GFilterOutputStream;
/**
* GFile:
*
* A handle to an object implementing the #GFileIface interface.
* Generally stores a location within the file system. Handles do not
* necessarily represent files or directories that currently exist.
**/
typedef struct _GFile GFile; /* Dummy typedef */
typedef struct _GFileInfo GFileInfo;
/**
* GFileAttributeMatcher:
*
* Determines if a string matches a file attribute.
**/
typedef struct _GFileAttributeMatcher GFileAttributeMatcher;
typedef struct _GFileAttributeInfo GFileAttributeInfo;
typedef struct _GFileAttributeInfoList GFileAttributeInfoList;
typedef struct _GFileInputStream GFileInputStream;
typedef struct _GFileOutputStream GFileOutputStream;
typedef struct _GFileIcon GFileIcon;
typedef struct _GFilenameCompleter GFilenameCompleter;
typedef struct _GIcon GIcon; /* Dummy typedef */
typedef struct _GInputStream GInputStream;
typedef struct _GIOModule GIOModule;
typedef struct _GIOExtensionPoint GIOExtensionPoint;
typedef struct _GIOExtension GIOExtension;
/**
* GIOSchedulerJob:
*
* Opaque class for definining and scheduling IO jobs.
**/
typedef struct _GIOSchedulerJob GIOSchedulerJob;
typedef struct _GLoadableIcon GLoadableIcon; /* Dummy typedef */
typedef struct _GMemoryInputStream GMemoryInputStream;
typedef struct _GMemoryOutputStream GMemoryOutputStream;
/**
* GMount:
*
* A handle to an object implementing the #GMountIface interface.
**/
typedef struct _GMount GMount; /* Dummy typedef */
typedef struct _GMountOperation GMountOperation;
typedef struct _GOutputStream GOutputStream;
typedef struct _GSeekable GSeekable;
typedef struct _GSimpleAsyncResult GSimpleAsyncResult;
typedef struct _GThemedIcon GThemedIcon;
typedef struct _GVfs GVfs; /* Dummy typedef */
/**
* GVolume:
*
* Opaque mountable volume object.
**/
typedef struct _GVolume GVolume; /* Dummy typedef */
typedef struct _GVolumeMonitor GVolumeMonitor;
/**
* GAsyncReadyCallback:
* @source_object: the object the asynchronous operation was started with.
* @res: a #GAsyncResult.
* @user_data: user data passed to the callback.
*
* Type definition for a function that will be called back when an asynchronous
* operation within GIO has been completed.
**/
typedef void (*GAsyncReadyCallback) (GObject *source_object,
GAsyncResult *res,
gpointer user_data);
/**
* GFileProgressCallback:
* @current_num_bytes: the current number of bytes in the operation.
* @total_num_bytes: the total number of bytes in the operation.
* @user_data: user data passed to the callback.
*
* When doing file operations that may take a while, such as moving
* a file or copying a file, a progress callback is used to pass how
* far along that operation is to the application.
**/
typedef void (*GFileProgressCallback) (goffset current_num_bytes,
goffset total_num_bytes,
gpointer user_data);
/**
* GFileReadMoreCallback:
* @file_contents: the data as currently read.
* @file_size: the size of the data currently read.
* @callback_data: data passed to the callback.
*
* When loading the partial contents of a file with g_file_load_partial_contents_async(),
* it may become necessary to determine if any more data from the file should be loaded.
* A #GFileReadMoreCallback function facilitates this by returning %TRUE if more data
* should be read, or %FALSE otherwise.
*
* Returns: %TRUE if more data should be read back. %FALSE otherwise.
**/
typedef gboolean (* GFileReadMoreCallback) (const char *file_contents,
goffset file_size,
gpointer callback_data);
/**
* GIOSchedulerJobFunc:
* @job: a #GIOSchedulerJob.
* @cancellable: optional #GCancellable object, %NULL to ignore.
* @user_data: the data to pass to callback function
*
* I/O Job function.
*
* Note that depending on whether threads are available, the
* #GIOScheduler may run jobs in separate threads or in an idle
* in the mainloop.
*
* Long-running jobs should periodically check the @cancellable
* to see if they have been cancelled.
*
* Returns: %TRUE if this function should be called again to
* complete the job, %FALSE if the job is complete (or cancelled)
**/
typedef gboolean (*GIOSchedulerJobFunc) (GIOSchedulerJob *job,
GCancellable *cancellable,
gpointer user_data);
/**
* GSimpleAsyncThreadFunc:
* @res: a #GSimpleAsyncResult.
* @object: a #GObject.
* @cancellable: optional #GCancellable object, %NULL to ignore.
*
* Simple thread function that runs an asynchronous operation and
* checks for cancellation.
**/
typedef void (*GSimpleAsyncThreadFunc) (GSimpleAsyncResult *res,
GObject *object,
GCancellable *cancellable);
G_END_DECLS
#endif /* __GIO_TYPES_H__ */