/*
* AT-SPI - Assistive Technology Service Provider Interface
- * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
- *
+ * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap) *
* Copyright 2001, 2002 Sun Microsystems Inc.,
* Copyright 2001, 2002 Ximian, Inc.
*
#include <config.h>
#include <stdio.h>
+#include <string.h>
#include <libspi/accessible.h>
+#include <libspi/component.h>
#include <libspi/streamablecontent.h>
/* Our parent Gtk object type */
/* A pointer to our parent object class */
static GObjectClass *spi_streamable_parent_class;
+#define SPI_CONTENT_STREAM_TYPE (spi_content_stream_get_type ())
+#define SPI_CONTENT_STREAM(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), SPI_CONTENT_STREAM_TYPE, SpiContentStream))
+#define SPI_CONTENT_STREAM_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), SPI_CONTENT_STREAM_TYPE, SpiContentStreamClass))
+#define SPI_IS_CONTENT_STREAM(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SPI_CONTENT_STREAM_TYPE))
+#define SPI_IS_CONTENT_STREAM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SPI_CONTENT_STREAM_TYPE))
+
+typedef struct _SpiContentStream SpiContentStream;
+typedef struct _SpiContentStreamClass SpiContentStreamClass;
+
+struct _SpiContentStream {
+ BonoboObject parent;
+ GIOChannel *gio;
+};
+
+struct _SpiContentStreamClass {
+ BonoboObjectClass parent_class;
+ POA_Accessibility_ContentStream__epv epv;
+};
+
+GType spi_content_stream_get_type (void);
+
+static SpiContentStream*
+spi_content_stream_new (GIOChannel *gio)
+{
+ SpiContentStream *new_stream = g_object_new (SPI_CONTENT_STREAM_TYPE, NULL);
+ new_stream->gio = gio;
+ return new_stream;
+}
+
+static void
+spi_content_stream_dispose (GObject *o)
+{
+ if (SPI_IS_CONTENT_STREAM (o))
+ {
+ SpiContentStream *stream = SPI_CONTENT_STREAM (o);
+ if (stream->gio) g_io_channel_unref (stream->gio);
+ }
+}
+
+static CORBA_long
+impl_content_stream_seek (PortableServer_Servant servant,
+ const CORBA_long offset,
+ const Accessibility_ContentStream_SeekType whence,
+ CORBA_Environment *ev)
+{
+ SpiContentStream *stream = SPI_CONTENT_STREAM (bonobo_object_from_servant(servant));
+ if (stream && stream->gio)
+ {
+ GError *err;
+ GSeekType seektype = G_SEEK_SET;
+ switch (whence) {
+ case Accessibility_ContentStream_SEEK_CURRENT:
+ seektype = G_SEEK_CUR;
+ break;
+ case Accessibility_ContentStream_SEEK_END:
+ seektype = G_SEEK_END;
+ break;
+ }
+ if (g_io_channel_seek_position (stream->gio, (gint64) offset,
+ seektype, &err) == G_IO_STATUS_NORMAL)
+ return offset;
+ else
+ return -1;
+ }
+ else
+ return -1;
+}
+
+static CORBA_long
+impl_content_stream_read (PortableServer_Servant servant,
+ const CORBA_long count,
+ Accessibility_ContentStream_iobuf** buffer,
+ CORBA_Environment *ev)
+{
+ SpiContentStream *stream = SPI_CONTENT_STREAM (bonobo_object_from_servant(servant));
+ CORBA_long realcount = 0;
+
+ if (stream && stream->gio)
+ {
+ gchar *gbuf = NULL;
+ GIOStatus status;
+ GError *err = NULL;
+
+ /* read the giochannel and determine the actual bytes read...*/
+ if (count != -1) {
+ gbuf = g_malloc (count+1);
+ status = g_io_channel_read_chars (stream->gio, gbuf, count, &realcount, &err);
+ }
+ else
+ status = g_io_channel_read_to_end (stream->gio, &gbuf, &realcount, &err);
+
+ if (status == G_IO_STATUS_NORMAL || status == G_IO_STATUS_EOF)
+ {
+ *buffer = Bonobo_Stream_iobuf__alloc ();
+ CORBA_sequence_set_release (*buffer, TRUE);
+
+ (*buffer)->_buffer = CORBA_sequence_CORBA_octet_allocbuf (realcount);
+ (*buffer)->_length = realcount;
+
+ g_memmove ((*buffer)->_buffer, gbuf, realcount);
+ }
+
+ g_free (gbuf);
+ }
+
+ return realcount;
+}
+
+static void
+impl_content_stream_close (PortableServer_Servant servant,
+ CORBA_Environment *ev)
+{
+ GIOStatus status;
+ GError *err;
+ SpiContentStream *stream = SPI_CONTENT_STREAM (bonobo_object_from_servant(servant));
+ if (stream && stream->gio) {
+ status = g_io_channel_shutdown (stream->gio, TRUE, &err);
+ g_io_channel_unref (stream->gio);
+ }
+ if (err) g_free (err);
+}
+
+static void
+spi_content_stream_class_init (SpiContentStreamClass *klass)
+{
+ POA_Accessibility_ContentStream__epv *epv = &klass->epv;
+ GObjectClass * object_class = (GObjectClass *) klass;
+
+ epv->seek = impl_content_stream_seek;
+ epv->read = impl_content_stream_read;
+ epv->close = impl_content_stream_close;
+
+ object_class->dispose = spi_content_stream_dispose;
+}
+
+
+static void
+spi_content_stream_init (SpiContentStream *stream)
+{
+}
+
+
+BONOBO_TYPE_FUNC_FULL (SpiContentStream,
+ Accessibility_ContentStream,
+ BONOBO_TYPE_OBJECT,
+ spi_content_stream)
+
static AtkStreamableContent *
get_streamable_from_servant (PortableServer_Servant servant)
{
AtkStreamableContent *streamable = get_streamable_from_servant (servant);
int n_types, i;
- typelist->_length = 0;
+ typelist->_length = typelist->_maximum = 0;
+
g_return_val_if_fail (streamable != NULL, typelist);
n_types = atk_streamable_content_get_n_mime_types (streamable);
- typelist->_length = n_types;
- typelist->_buffer = Accessibility_StringSeq_allocbuf (n_types);
- for (i = 0; i < n_types; ++i) {
- const gchar *mimetype = atk_streamable_content_get_mime_type (streamable, i);
- typelist->_buffer[i] = CORBA_string_dup (mimetype ? mimetype : "");
- }
+ if (n_types)
+ {
+ typelist->_length = typelist->_maximum = n_types;
+ typelist->_buffer = Accessibility_StringSeq_allocbuf (n_types);
+ for (i = 0; i < n_types; ++i) {
+ const gchar *mimetype = atk_streamable_content_get_mime_type (streamable, i);
+ typelist->_buffer[i] = CORBA_string_dup (mimetype ? mimetype : "");
+ }
+ }
return typelist;
}
gio = atk_streamable_content_get_stream (streamable, content_type);
- stream = CORBA_OBJECT_NIL; /* FIXME! */
-
+ stream = CORBA_OBJECT_NIL; /* deprecated,
+ * and it was never implemented,
+ * so don't bother fixing this
+ */
return stream;
}
+/*
+ * CORBA Accessibility::StreamableContent::getStream method implementation
+ */
+static Accessibility_ContentStream
+impl_accessibility_streamable_get_stream (PortableServer_Servant servant,
+ const CORBA_char * content_type,
+ CORBA_Environment *ev)
+{
+ SpiContentStream *stream;
+ AtkStreamableContent *streamable = get_streamable_from_servant (servant);
+ GIOChannel *gio;
+
+ g_return_val_if_fail (streamable != NULL, NULL);
+
+ gio = atk_streamable_content_get_stream (streamable, content_type);
+
+ stream = spi_content_stream_new (gio);
+
+ return bonobo_object_dup_ref (BONOBO_OBJREF (stream), ev);
+}
+
+/*
+ * CORBA Accessibility::StreamableContent::getURI method implementation
+ */
+static CORBA_string
+impl_accessibility_streamable_get_uri (PortableServer_Servant servant,
+ const CORBA_char * content_type,
+ CORBA_Environment *ev)
+{
+ gchar *uri;
+ AtkStreamableContent *streamable = get_streamable_from_servant (servant);
+
+ g_return_val_if_fail (streamable != NULL, NULL);
+
+ uri = atk_streamable_content_get_uri (streamable, content_type);
+
+ return (uri != NULL ? CORBA_string_dup (uri) : CORBA_string_dup (""));
+}
+
static void
spi_streamable_class_init (SpiStreamableClass *klass)
{
epv->getContentTypes = impl_accessibility_streamable_get_content_types;
epv->getContent = impl_accessibility_streamable_get_content;
+ epv->getStream = impl_accessibility_streamable_get_stream;
+ epv->getURI = impl_accessibility_streamable_get_uri;
}
static void
{
}
-BONOBO_TYPE_FUNC_FULL (SpiStreamable,
- Accessibility_StreamableContent,
- PARENT_TYPE,
- spi_streamable)
SpiStreamable *
spi_streamable_interface_new (AtkObject *o)
return retval;
}
+
+BONOBO_TYPE_FUNC_FULL (SpiStreamable,
+ Accessibility_StreamableContent,
+ PARENT_TYPE,
+ spi_streamable)
projects / platform / core / uifw / at-spi2-atk.git / blobdiff