gio/giotypes.h

   1 /* GIO - GLib Input, Output and Streaming Library
   2  *
   3  * Copyright (C) 2006-2007 Red Hat, Inc.
   4  *
   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.
   9  *
  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.
  14  *
  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.
  19  *
  20  * Author: Alexander Larsson <alexl@redhat.com>
  21  */
  22
  23 #if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
  24 #error "Only <gio/gio.h> can be included directly."
  25 #endif
  26
  27 #ifndef __GIO_TYPES_H__
  28 #define __GIO_TYPES_H__
  29
  30 #include <gio/gioenums.h>
  31
  32 G_BEGIN_DECLS
  33
  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 _GSimplePermission             GSimplePermission;
  47 typedef struct _GZlibCompressor               GZlibCompressor;
  48 typedef struct _GZlibDecompressor             GZlibDecompressor;
  49
  50 typedef struct _GSimpleActionGroup            GSimpleActionGroup;
  51 typedef struct _GRemoteActionGroup            GRemoteActionGroup;
  52 typedef struct _GDBusActionGroup              GDBusActionGroup;
  53 typedef struct _GActionMap                    GActionMap;
  54 typedef struct _GActionGroup                  GActionGroup;
  55 typedef struct _GSimpleAction                 GSimpleAction;
  56 typedef struct _GAction                       GAction;
  57 typedef struct _GApplication                  GApplication;
  58 typedef struct _GApplicationCommandLine       GApplicationCommandLine;
  59 typedef struct _GSettingsBackend              GSettingsBackend;
  60 typedef struct _GSettings                     GSettings;
  61 typedef struct _GPermission                   GPermission;
  62
  63 typedef struct _GMenuModel                    GMenuModel;
  64
  65 /**
  66  * GDrive:
  67  *
  68  * Opaque drive object.
  69  **/
  70 typedef struct _GDrive                        GDrive; /* Dummy typedef */
  71 typedef struct _GFileEnumerator               GFileEnumerator;
  72 typedef struct _GFileMonitor                  GFileMonitor;
  73 typedef struct _GFilterInputStream            GFilterInputStream;
  74 typedef struct _GFilterOutputStream           GFilterOutputStream;
  75
  76 /**
  77  * GFile:
  78  *
  79  * A handle to an object implementing the #GFileIface interface.
  80  * Generally stores a location within the file system. Handles do not
  81  * necessarily represent files or directories that currently exist.
  82  **/
  83 typedef struct _GFile                         GFile; /* Dummy typedef */
  84 typedef struct _GFileInfo                     GFileInfo;
  85
  86 /**
  87  * GFileAttributeMatcher:
  88  *
  89  * Determines if a string matches a file attribute.
  90  **/
  91 typedef struct _GFileAttributeMatcher         GFileAttributeMatcher;
  92 typedef struct _GFileAttributeInfo            GFileAttributeInfo;
  93 typedef struct _GFileAttributeInfoList        GFileAttributeInfoList;
  94 typedef struct _GFileDescriptorBased          GFileDescriptorBased;
  95 typedef struct _GFileInputStream              GFileInputStream;
  96 typedef struct _GFileOutputStream             GFileOutputStream;
  97 typedef struct _GFileIOStream                 GFileIOStream;
  98 typedef struct _GFileIcon                     GFileIcon;
  99 typedef struct _GFilenameCompleter            GFilenameCompleter;
 100
 101
 102 typedef struct _GIcon                         GIcon; /* Dummy typedef */
 103 typedef struct _GInetAddress                  GInetAddress;
 104 typedef struct _GInetAddressMask              GInetAddressMask;
 105 typedef struct _GInetSocketAddress            GInetSocketAddress;
 106 typedef struct _GInputStream                  GInputStream;
 107 typedef struct _GInitable                     GInitable;
 108 typedef struct _GIOModule                     GIOModule;
 109 typedef struct _GIOExtensionPoint             GIOExtensionPoint;
 110 typedef struct _GIOExtension                  GIOExtension;
 111
 112 /**
 113  * GIOSchedulerJob:
 114  *
 115  * Opaque class for defining and scheduling IO jobs.
 116  **/
 117 typedef struct _GIOSchedulerJob               GIOSchedulerJob;
 118 typedef struct _GIOStreamAdapter              GIOStreamAdapter;
 119 typedef struct _GLoadableIcon                 GLoadableIcon; /* Dummy typedef */
 120 typedef struct _GMemoryInputStream            GMemoryInputStream;
 121 typedef struct _GMemoryOutputStream           GMemoryOutputStream;
 122
 123 /**
 124  * GMount:
 125  *
 126  * A handle to an object implementing the #GMountIface interface.
 127  **/
 128 typedef struct _GMount                        GMount; /* Dummy typedef */
 129 typedef struct _GMountOperation               GMountOperation;
 130 typedef struct _GNetworkAddress               GNetworkAddress;
 131 typedef struct _GNetworkMonitor               GNetworkMonitor;
 132 typedef struct _GNetworkService               GNetworkService;
 133 typedef struct _GOutputStream                 GOutputStream;
 134 typedef struct _GIOStream                     GIOStream;
 135 typedef struct _GPollableInputStream          GPollableInputStream; /* Dummy typedef */
 136 typedef struct _GPollableOutputStream         GPollableOutputStream; /* Dummy typedef */
 137 typedef struct _GResolver                     GResolver;
 138 typedef struct _GSeekable                     GSeekable;
 139 typedef struct _GSimpleAsyncResult            GSimpleAsyncResult;
 140
 141 /**
 142  * GSocket:
 143  *
 144  * A lowlevel network socket object.
 145  *
 146  * Since: 2.22
 147  **/
 148 typedef struct _GSocket                       GSocket;
 149
 150 /**
 151  * GSocketControlMessage:
 152  *
 153  * Base class for socket-type specific control messages that can be sent and
 154  * received over #GSocket.
 155  **/
 156 typedef struct _GSocketControlMessage         GSocketControlMessage;
 157 /**
 158  * GSocketClient:
 159  *
 160  * A helper class for network clients to make connections.
 161  *
 162  * Since: 2.22
 163  **/
 164 typedef struct _GSocketClient                               GSocketClient;
 165 /**
 166  * GSocketConnection:
 167  *
 168  * A socket connection GIOStream object for connection-oriented sockets.
 169  *
 170  * Since: 2.22
 171  **/
 172 typedef struct _GSocketConnection                           GSocketConnection;
 173 /**
 174  * GSocketClient:
 175  *
 176  * A helper class for network servers to listen for and accept connections.
 177  *
 178  * Since: 2.22
 179  **/
 180 typedef struct _GSocketListener                             GSocketListener;
 181 /**
 182  * GSocketService:
 183  *
 184  * A helper class for handling accepting incomming connections in the
 185  * glib mainloop.
 186  *
 187  * Since: 2.22
 188  **/
 189 typedef struct _GSocketService                              GSocketService;
 190 typedef struct _GSocketAddress                GSocketAddress;
 191 typedef struct _GSocketAddressEnumerator      GSocketAddressEnumerator;
 192 typedef struct _GSocketConnectable            GSocketConnectable;
 193 typedef struct _GSrvTarget                    GSrvTarget;
 194 /**
 195  * GTcpConnection:
 196  *
 197  * A #GSocketConnection for TCP/IP connections.
 198  *
 199  * Since: 2.22
 200  **/
 201 typedef struct _GTcpConnection                              GTcpConnection;
 202 typedef struct _GTcpWrapperConnection                       GTcpWrapperConnection;
 203 /**
 204  * GThreadedSocketService:
 205  *
 206  * A helper class for handling accepting incoming connections in the
 207  * glib mainloop and handling them in a thread.
 208  *
 209  * Since: 2.22
 210  **/
 211 typedef struct _GThreadedSocketService                      GThreadedSocketService;
 212 typedef struct _GThemedIcon                   GThemedIcon;
 213 typedef struct _GTlsCertificate               GTlsCertificate;
 214 typedef struct _GTlsClientConnection          GTlsClientConnection; /* Dummy typedef */
 215 typedef struct _GTlsConnection                GTlsConnection;
 216 typedef struct _GTlsDatabase                  GTlsDatabase;
 217 typedef struct _GTlsFileDatabase              GTlsFileDatabase;
 218 typedef struct _GTlsInteraction               GTlsInteraction;
 219 typedef struct _GTlsPassword                  GTlsPassword;
 220 typedef struct _GTlsServerConnection          GTlsServerConnection; /* Dummy typedef */
 221 typedef struct _GVfs                          GVfs; /* Dummy typedef */
 222
 223 /**
 224  * GProxyResolver:
 225  *
 226  * A helper class to enumerate proxies base on URI.
 227  *
 228  * Since: 2.26
 229  **/
 230 typedef struct _GProxyResolver                GProxyResolver;
 231 typedef struct _GProxy                        GProxy;
 232 typedef struct _GProxyAddress                 GProxyAddress;
 233 typedef struct _GProxyAddressEnumerator       GProxyAddressEnumerator;
 234
 235 /**
 236  * GVolume:
 237  *
 238  * Opaque mountable volume object.
 239  **/
 240 typedef struct _GVolume                       GVolume; /* Dummy typedef */
 241 typedef struct _GVolumeMonitor                GVolumeMonitor;
 242
 243 /**
 244  * GAsyncReadyCallback:
 245  * @source_object: the object the asynchronous operation was started with.
 246  * @res: a #GAsyncResult.
 247  * @user_data: user data passed to the callback.
 248  *
 249  * Type definition for a function that will be called back when an asynchronous
 250  * operation within GIO has been completed.
 251  **/
 252 typedef void (*GAsyncReadyCallback) (GObject *source_object,
 253                                      GAsyncResult *res,
 254                                      gpointer user_data);
 255
 256 /**
 257  * GFileProgressCallback:
 258  * @current_num_bytes: the current number of bytes in the operation.
 259  * @total_num_bytes: the total number of bytes in the operation.
 260  * @user_data: user data passed to the callback.
 261  *
 262  * When doing file operations that may take a while, such as moving
 263  * a file or copying a file, a progress callback is used to pass how
 264  * far along that operation is to the application.
 265  **/
 266 typedef void (*GFileProgressCallback) (goffset current_num_bytes,
 267                                        goffset total_num_bytes,
 268                                        gpointer user_data);
 269
 270 /**
 271  * GFileReadMoreCallback:
 272  * @file_contents: the data as currently read.
 273  * @file_size: the size of the data currently read.
 274  * @callback_data: data passed to the callback.
 275  *
 276  * When loading the partial contents of a file with g_file_load_partial_contents_async(),
 277  * it may become necessary to determine if any more data from the file should be loaded.
 278  * A #GFileReadMoreCallback function facilitates this by returning %TRUE if more data
 279  * should be read, or %FALSE otherwise.
 280  *
 281  * Returns: %TRUE if more data should be read back. %FALSE otherwise.
 282  **/
 283 typedef gboolean (* GFileReadMoreCallback) (const char *file_contents,
 284                                             goffset file_size,
 285                                             gpointer callback_data);
 286
 287
 288 /**
 289  * GIOSchedulerJobFunc:
 290  * @job: a #GIOSchedulerJob.
 291  * @cancellable: optional #GCancellable object, %NULL to ignore.
 292  * @user_data: the data to pass to callback function
 293  *
 294  * I/O Job function.
 295  *
 296  * Long-running jobs should periodically check the @cancellable
 297  * to see if they have been cancelled.
 298  *
 299  * Returns: %TRUE if this function should be called again to
 300  *    complete the job, %FALSE if the job is complete (or cancelled)
 301  **/
 302 typedef gboolean (*GIOSchedulerJobFunc) (GIOSchedulerJob *job,
 303                                          GCancellable    *cancellable,
 304                                          gpointer         user_data);
 305
 306 /**
 307  * GSimpleAsyncThreadFunc:
 308  * @res: a #GSimpleAsyncResult.
 309  * @object: a #GObject.
 310  * @cancellable: optional #GCancellable object, %NULL to ignore.
 311  *
 312  * Simple thread function that runs an asynchronous operation and
 313  * checks for cancellation.
 314  **/
 315 typedef void (*GSimpleAsyncThreadFunc) (GSimpleAsyncResult *res,
 316                                         GObject *object,
 317                                         GCancellable *cancellable);
 318
 319 /**
 320  * GSocketSourceFunc:
 321  * @socket: the #GSocket
 322  * @condition: the current condition at the source fired.
 323  * @user_data: data passed in by the user.
 324  *
 325  * This is the function type of the callback used for the #GSource
 326  * returned by g_socket_create_source().
 327  *
 328  * Returns: it should return %FALSE if the source should be removed.
 329  *
 330  * Since: 2.22
 331  */
 332 typedef gboolean (*GSocketSourceFunc) (GSocket *socket,
 333                                        GIOCondition condition,
 334                                        gpointer user_data);
 335
 336 /**
 337  * GInputVector:
 338  * @buffer: Pointer to a buffer where data will be written.
 339  * @size: the available size in @buffer.
 340  *
 341  * Structure used for scatter/gather data input.
 342  * You generally pass in an array of #GInputVector<!-- -->s
 343  * and the operation will store the read data starting in the
 344  * first buffer, switching to the next as needed.
 345  *
 346  * Since: 2.22
 347  */
 348 typedef struct _GInputVector GInputVector;
 349
 350 struct _GInputVector {
 351   gpointer buffer;
 352   gsize size;
 353 };
 354
 355 /**
 356  * GOutputVector:
 357  * @buffer: Pointer to a buffer of data to read.
 358  * @size: the size of @buffer.
 359  *
 360  * Structure used for scatter/gather data output.
 361  * You generally pass in an array of #GOutputVector<!-- -->s
 362  * and the operation will use all the buffers as if they were
 363  * one buffer.
 364  *
 365  * Since: 2.22
 366  */
 367 typedef struct _GOutputVector GOutputVector;
 368
 369 struct _GOutputVector {
 370   gconstpointer buffer;
 371   gsize size;
 372 };
 373
 374 typedef struct _GCredentials                  GCredentials;
 375 typedef struct _GUnixCredentialsMessage       GUnixCredentialsMessage;
 376 typedef struct _GUnixFDList                   GUnixFDList;
 377 typedef struct _GDBusMessage                  GDBusMessage;
 378 typedef struct _GDBusConnection               GDBusConnection;
 379 typedef struct _GDBusProxy                    GDBusProxy;
 380 typedef struct _GDBusMethodInvocation         GDBusMethodInvocation;
 381 typedef struct _GDBusServer                   GDBusServer;
 382 typedef struct _GDBusAuthObserver             GDBusAuthObserver;
 383 typedef struct _GDBusErrorEntry               GDBusErrorEntry;
 384 typedef struct _GDBusInterfaceVTable          GDBusInterfaceVTable;
 385 typedef struct _GDBusSubtreeVTable            GDBusSubtreeVTable;
 386 typedef struct _GDBusAnnotationInfo           GDBusAnnotationInfo;
 387 typedef struct _GDBusArgInfo                  GDBusArgInfo;
 388 typedef struct _GDBusMethodInfo               GDBusMethodInfo;
 389 typedef struct _GDBusSignalInfo               GDBusSignalInfo;
 390 typedef struct _GDBusPropertyInfo             GDBusPropertyInfo;
 391 typedef struct _GDBusInterfaceInfo            GDBusInterfaceInfo;
 392 typedef struct _GDBusNodeInfo                 GDBusNodeInfo;
 393
 394 /**
 395  * GCancellableSourceFunc:
 396  * @cancellable: the #GCancellable
 397  * @user_data: data passed in by the user.
 398  *
 399  * This is the function type of the callback used for the #GSource
 400  * returned by g_cancellable_source_new().
 401  *
 402  * Returns: it should return %FALSE if the source should be removed.
 403  *
 404  * Since: 2.28
 405  */
 406 typedef gboolean (*GCancellableSourceFunc) (GCancellable *cancellable,
 407                                             gpointer      user_data);
 408
 409 /**
 410  * GPollableSourceFunc:
 411  * @pollable_stream: the #GPollableInputStream or #GPollableOutputStream
 412  * @user_data: data passed in by the user.
 413  *
 414  * This is the function type of the callback used for the #GSource
 415  * returned by g_pollable_input_stream_create_source() and
 416  * g_pollable_output_stream_create_source().
 417  *
 418  * Returns: it should return %FALSE if the source should be removed.
 419  *
 420  * Since: 2.28
 421  */
 422 typedef gboolean (*GPollableSourceFunc) (GObject  *pollable_stream,
 423                                          gpointer  user_data);
 424
 425 typedef struct _GDBusInterface              GDBusInterface; /* Dummy typedef */
 426 typedef struct _GDBusInterfaceSkeleton      GDBusInterfaceSkeleton;
 427 typedef struct _GDBusObject                 GDBusObject;  /* Dummy typedef */
 428 typedef struct _GDBusObjectSkeleton         GDBusObjectSkeleton;
 429 typedef struct _GDBusObjectProxy            GDBusObjectProxy;
 430 typedef struct _GDBusObjectManager          GDBusObjectManager;  /* Dummy typedef */
 431 typedef struct _GDBusObjectManagerClient    GDBusObjectManagerClient;
 432 typedef struct _GDBusObjectManagerServer    GDBusObjectManagerServer;
 433
 434 /**
 435  * GDBusProxyTypeFunc:
 436  * @manager: A #GDBusObjectManagerClient.
 437  * @object_path: The object path of the remote object.
 438  * @interface_name: (allow-none): The interface name of the remote object or %NULL if a #GDBusObjectProxy #GType is requested.
 439  * @user_data: User data.
 440  *
 441  * Function signature for a function used to determine the #GType to
 442  * use for an interface proxy (if @interface_name is not %NULL) or
 443  * object proxy (if @interface_name is %NULL).
 444  *
 445  * This function is called in the
 446  * <link linkend="g-main-context-push-thread-default">thread-default main loop</link>
 447  * that @manager was constructed in.
 448  *
 449  * Returns: A #GType to use for the remote object. The returned type
 450  *   must be a #GDBusProxy<!-- -->- or #GDBusObjectProxy<!-- -->-derived
 451  *   type.
 452  *
 453  * Since: 2.30
 454  */
 455 typedef GType (*GDBusProxyTypeFunc) (GDBusObjectManagerClient   *manager,
 456                                      const gchar                *object_path,
 457                                      const gchar                *interface_name,
 458                                      gpointer                    user_data);
 459
 460 G_END_DECLS
 461
 462 #endif /* __GIO_TYPES_H__ */