1 /* GIO - GLib Input, Output and Streaming Library
3 * Copyright (C) 2006-2007 Red Hat, Inc.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General
16 * Public License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
18 * Boston, MA 02111-1307, USA.
20 * Author: Alexander Larsson <alexl@redhat.com>
23 #if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
24 #error "Only <gio/gio.h> can be included directly."
27 #ifndef __GIO_TYPES_H__
28 #define __GIO_TYPES_H__
30 #include <gio/gioenums.h>
34 typedef struct _GAppLaunchContext GAppLaunchContext;
35 typedef struct _GAppInfo GAppInfo; /* Dummy typedef */
36 typedef struct _GAsyncResult GAsyncResult; /* Dummy typedef */
37 typedef struct _GAsyncInitable GAsyncInitable;
38 typedef struct _GBufferedInputStream GBufferedInputStream;
39 typedef struct _GBufferedOutputStream GBufferedOutputStream;
40 typedef struct _GCancellable GCancellable;
41 typedef struct _GCharsetConverter GCharsetConverter;
42 typedef struct _GConverter GConverter;
43 typedef struct _GConverterInputStream GConverterInputStream;
44 typedef struct _GConverterOutputStream GConverterOutputStream;
45 typedef struct _GDataInputStream GDataInputStream;
46 typedef struct _GZlibDecompressor GZlibDecompressor;
51 * Opaque drive object.
53 typedef struct _GDrive GDrive; /* Dummy typedef */
54 typedef struct _GFileEnumerator GFileEnumerator;
55 typedef struct _GFileMonitor GFileMonitor;
56 typedef struct _GFilterInputStream GFilterInputStream;
57 typedef struct _GFilterOutputStream GFilterOutputStream;
62 * A handle to an object implementing the #GFileIface interface.
63 * Generally stores a location within the file system. Handles do not
64 * necessarily represent files or directories that currently exist.
66 typedef struct _GFile GFile; /* Dummy typedef */
67 typedef struct _GFileInfo GFileInfo;
70 * GFileAttributeMatcher:
72 * Determines if a string matches a file attribute.
74 typedef struct _GFileAttributeMatcher GFileAttributeMatcher;
75 typedef struct _GFileAttributeInfo GFileAttributeInfo;
76 typedef struct _GFileAttributeInfoList GFileAttributeInfoList;
77 typedef struct _GFileInputStream GFileInputStream;
78 typedef struct _GFileOutputStream GFileOutputStream;
79 typedef struct _GFileIOStream GFileIOStream;
80 typedef struct _GFileIcon GFileIcon;
81 typedef struct _GFilenameCompleter GFilenameCompleter;
84 typedef struct _GIcon GIcon; /* Dummy typedef */
85 typedef struct _GInetAddress GInetAddress;
86 typedef struct _GInetSocketAddress GInetSocketAddress;
87 typedef struct _GInputStream GInputStream;
88 typedef struct _GInitable GInitable;
89 typedef struct _GIOModule GIOModule;
90 typedef struct _GIOExtensionPoint GIOExtensionPoint;
91 typedef struct _GIOExtension GIOExtension;
96 * Opaque class for definining and scheduling IO jobs.
98 typedef struct _GIOSchedulerJob GIOSchedulerJob;
99 typedef struct _GLoadableIcon GLoadableIcon; /* Dummy typedef */
100 typedef struct _GMemoryInputStream GMemoryInputStream;
101 typedef struct _GMemoryOutputStream GMemoryOutputStream;
106 * A handle to an object implementing the #GMountIface interface.
108 typedef struct _GMount GMount; /* Dummy typedef */
109 typedef struct _GMountOperation GMountOperation;
110 typedef struct _GNetworkAddress GNetworkAddress;
111 typedef struct _GNetworkService GNetworkService;
112 typedef struct _GOutputStream GOutputStream;
113 typedef struct _GIOStream GIOStream;
114 typedef struct _GResolver GResolver;
115 typedef struct _GSeekable GSeekable;
116 typedef struct _GSimpleAsyncResult GSimpleAsyncResult;
121 * A lowlevel network socket object.
125 typedef struct _GSocket GSocket;
128 * GSocketControlMessage:
130 * Base class for socket-type specific control messages that can be sent and
131 * received over #GSocket.
133 typedef struct _GSocketControlMessage GSocketControlMessage;
137 * A helper class for network clients to make connections.
141 typedef struct _GSocketClient GSocketClient;
145 * A socket connection GIOStream object for connection-oriented sockets.
149 typedef struct _GSocketConnection GSocketConnection;
153 * A helper class for network servers to listen for and accept connections.
157 typedef struct _GSocketListener GSocketListener;
161 * A helper class for handling accepting incomming connections in the
166 typedef struct _GSocketService GSocketService;
167 typedef struct _GSocketAddress GSocketAddress;
168 typedef struct _GSocketAddressEnumerator GSocketAddressEnumerator;
169 typedef struct _GSocketConnectable GSocketConnectable;
170 typedef struct _GSrvTarget GSrvTarget;
174 * A #GSocketConnection for TCP/IP connections.
178 typedef struct _GTcpConnection GTcpConnection;
180 * GThreadedSocketService:
182 * A helper class for handling accepting incomming connections in the
183 * glib mainloop and handling them in a thread.
187 typedef struct _GThreadedSocketService GThreadedSocketService;
188 typedef struct _GThemedIcon GThemedIcon;
189 typedef struct _GVfs GVfs; /* Dummy typedef */
194 * Opaque mountable volume object.
196 typedef struct _GVolume GVolume; /* Dummy typedef */
197 typedef struct _GVolumeMonitor GVolumeMonitor;
200 * GAsyncReadyCallback:
201 * @source_object: the object the asynchronous operation was started with.
202 * @res: a #GAsyncResult.
203 * @user_data: user data passed to the callback.
205 * Type definition for a function that will be called back when an asynchronous
206 * operation within GIO has been completed.
208 typedef void (*GAsyncReadyCallback) (GObject *source_object,
213 * GFileProgressCallback:
214 * @current_num_bytes: the current number of bytes in the operation.
215 * @total_num_bytes: the total number of bytes in the operation.
216 * @user_data: user data passed to the callback.
218 * When doing file operations that may take a while, such as moving
219 * a file or copying a file, a progress callback is used to pass how
220 * far along that operation is to the application.
222 typedef void (*GFileProgressCallback) (goffset current_num_bytes,
223 goffset total_num_bytes,
227 * GFileReadMoreCallback:
228 * @file_contents: the data as currently read.
229 * @file_size: the size of the data currently read.
230 * @callback_data: data passed to the callback.
232 * When loading the partial contents of a file with g_file_load_partial_contents_async(),
233 * it may become necessary to determine if any more data from the file should be loaded.
234 * A #GFileReadMoreCallback function facilitates this by returning %TRUE if more data
235 * should be read, or %FALSE otherwise.
237 * Returns: %TRUE if more data should be read back. %FALSE otherwise.
239 typedef gboolean (* GFileReadMoreCallback) (const char *file_contents,
241 gpointer callback_data);
245 * GIOSchedulerJobFunc:
246 * @job: a #GIOSchedulerJob.
247 * @cancellable: optional #GCancellable object, %NULL to ignore.
248 * @user_data: the data to pass to callback function
252 * Note that depending on whether threads are available, the
253 * #GIOScheduler may run jobs in separate threads or in an idle
256 * Long-running jobs should periodically check the @cancellable
257 * to see if they have been cancelled.
259 * Returns: %TRUE if this function should be called again to
260 * complete the job, %FALSE if the job is complete (or cancelled)
262 typedef gboolean (*GIOSchedulerJobFunc) (GIOSchedulerJob *job,
263 GCancellable *cancellable,
267 * GSimpleAsyncThreadFunc:
268 * @res: a #GSimpleAsyncResult.
269 * @object: a #GObject.
270 * @cancellable: optional #GCancellable object, %NULL to ignore.
272 * Simple thread function that runs an asynchronous operation and
273 * checks for cancellation.
275 typedef void (*GSimpleAsyncThreadFunc) (GSimpleAsyncResult *res,
277 GCancellable *cancellable);
281 * @socket: the #GSocket
282 * @condition: the current condition at the source fired.
283 * @user_data: data passed in by the user.
285 * This is the function type of the callback used for the #GSource
286 * returned by g_socket_create_source().
288 * Returns: it should return %FALSE if the source should be removed.
292 typedef gboolean (*GSocketSourceFunc) (GSocket *socket,
293 GIOCondition condition,
298 * @buffer: Pointer to a buffer where data will be written.
299 * @size: the available size in @buffer.
301 * Structure used for scatter/gather data input.
302 * You generally pass in an array of #GInputVector<!-- -->s
303 * and the operation will store the read data starting in the
304 * first buffer, switching to the next as needed.
308 typedef struct _GInputVector GInputVector;
310 struct _GInputVector {
317 * @buffer: Pointer to a buffer of data to read.
318 * @size: the size of @buffer.
320 * Structure used for scatter/gather data output.
321 * You generally pass in an array of #GOutputVector<!-- -->s
322 * and the operation will use all the buffers as if they were
327 typedef struct _GOutputVector GOutputVector;
329 struct _GOutputVector {
330 gconstpointer buffer;
337 #endif /* __GIO_TYPES_H__ */