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gtk/gdk/gdkcontentserializer.c
Matthias Clasen 73f4f518b8 gdk: Improve struct packing in places 
Plug some holes in our structs by rearranging
a few fields. This is was done looking at
pahole output.
2020-07-25 11:57:37 -04:00

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29 KiB
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/* GTK - The GIMP Toolkit
* Copyright (C) 2017 Benjamin Otte
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gio/gio.h>
#include "gdkcontentserializer.h"
#include "gdkcontentformats.h"
#include "gdkpixbuf.h"
#include "filetransferportalprivate.h"
#include "gdktextureprivate.h"
#include "gdkrgba.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <string.h>
/**
* SECTION:gdkcontentserializer
* @Short_description: Serialize content for transfer
* @Title: GdkContentSerializer
* @See_also: #GdkContentDeserializer, #GdkContentProvider
*
* A GdkContentSerializer is used to serialize content for inter-application
* data transfers.
*/
typedef struct _Serializer Serializer;
struct _Serializer
{
const char * mime_type; /* interned */
GType type;
GdkContentSerializeFunc serialize;
gpointer data;
GDestroyNotify notify;
};
GQueue serializers = G_QUEUE_INIT;
static void init (void);
#define GDK_CONTENT_SERIALIZER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_CONTENT_SERIALIZER, GdkContentSerializerClass))
#define GDK_IS_CONTENT_SERIALIZER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_CONTENT_SERIALIZER))
#define GDK_CONTENT_SERIALIZER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_CONTENT_SERIALIZER, GdkContentSerializerClass))
typedef struct _GdkContentSerializerClass GdkContentSerializerClass;
struct _GdkContentSerializer
{
GObject parent_instance;
const char *mime_type; /* interned */
GValue value;
GOutputStream *stream;
int priority;
gboolean returned;
GCancellable *cancellable;
gpointer user_data;
GAsyncReadyCallback callback;
gpointer callback_data;
gpointer task_data;
GDestroyNotify task_notify;
GError *error;
};
struct _GdkContentSerializerClass
{
GObjectClass parent_class;
};
static gpointer
gdk_content_serializer_async_result_get_user_data (GAsyncResult *res)
{
return GDK_CONTENT_SERIALIZER (res)->callback_data;
}
static GObject *
gdk_content_serializer_async_result_get_source_object (GAsyncResult *res)
{
return NULL;
}
static void
gdk_content_serializer_async_result_iface_init (GAsyncResultIface *iface)
{
iface->get_user_data = gdk_content_serializer_async_result_get_user_data;
iface->get_source_object = gdk_content_serializer_async_result_get_source_object;
}
G_DEFINE_TYPE_WITH_CODE (GdkContentSerializer, gdk_content_serializer, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_ASYNC_RESULT, gdk_content_serializer_async_result_iface_init))
static void
gdk_content_serializer_finalize (GObject *object)
{
GdkContentSerializer *serializer = GDK_CONTENT_SERIALIZER (object);
g_value_unset (&serializer->value);
g_clear_object (&serializer->stream);
g_clear_object (&serializer->cancellable);
g_clear_error (&serializer->error);
if (serializer->task_notify)
serializer->task_notify (serializer->task_data);
G_OBJECT_CLASS (gdk_content_serializer_parent_class)->finalize (object);
}
static void
gdk_content_serializer_class_init (GdkContentSerializerClass *content_serializer_class)
{
GObjectClass *object_class = G_OBJECT_CLASS (content_serializer_class);
object_class->finalize = gdk_content_serializer_finalize;
}
static void
gdk_content_serializer_init (GdkContentSerializer *content_serializer)
{
}
static void
gdk_content_serializer_run (const char *mime_type,
const GValue *value,
GOutputStream *stream,
int priority,
GCancellable *cancellable,
GdkContentSerializeFunc serialize_func,
gpointer user_data,
GAsyncReadyCallback callback,
gpointer callback_data)
{
GdkContentSerializer *serializer;
serializer = g_object_new (GDK_TYPE_CONTENT_SERIALIZER, NULL);
serializer->mime_type = mime_type;
g_value_init (&serializer->value, G_VALUE_TYPE (value));
g_value_copy (value, &serializer->value);
serializer->stream = g_object_ref (stream);
serializer->priority = priority;
if (cancellable)
serializer->cancellable = g_object_ref (cancellable);
serializer->user_data = user_data;
serializer->callback = callback;
serializer->callback_data = callback_data;
serialize_func (serializer);
}
/**
* gdk_content_serializer_get_mime_type:
* @serializer: a #GdkContentSerializer
*
* Gets the mime type to serialize to.
*
* Returns: (transfer none): the mime type for the current operation
*/
const char *
gdk_content_serializer_get_mime_type (GdkContentSerializer *serializer)
{
g_return_val_if_fail (GDK_IS_CONTENT_SERIALIZER (serializer), NULL);
return serializer->mime_type;
}
/**
* gdk_content_serializer_get_gtype:
* @serializer: a #GdkContentSerializer
*
* Gets the GType to of the object to serialize.
*
* Returns: the GType for the current operation
*/
GType
gdk_content_serializer_get_gtype (GdkContentSerializer *serializer)
{
g_return_val_if_fail (GDK_IS_CONTENT_SERIALIZER (serializer), G_TYPE_INVALID);
return G_VALUE_TYPE (&serializer->value);
}
/**
* gdk_content_serializer_get_value:
* @serializer: a #GdkContentSerializer
*
* Gets the #GValue to read the object to serialize from.
*
* Returns: (transfer none): the #GValue for the current operation
*/
const GValue *
gdk_content_serializer_get_value (GdkContentSerializer *serializer)
{
g_return_val_if_fail (GDK_IS_CONTENT_SERIALIZER (serializer), NULL);
return &serializer->value;
}
/**
* gdk_content_serializer_get_output_stream:
* @serializer: a #GdkContentSerializer
*
* Gets the output stream that was passed to gdk_content_serialize_async().
*
* Returns: (transfer none): the output stream for the current operation
*/
GOutputStream *
gdk_content_serializer_get_output_stream (GdkContentSerializer *serializer)
{
g_return_val_if_fail (GDK_IS_CONTENT_SERIALIZER (serializer), NULL);
return serializer->stream;
}
/**
* gdk_content_serializer_get_priority:
* @serializer: a #GdkContentSerializer
*
* Gets the io priority that was passed to gdk_content_serialize_async().
*
* Returns: the io priority for the current operation
*/
int
gdk_content_serializer_get_priority (GdkContentSerializer *serializer)
{
g_return_val_if_fail (GDK_IS_CONTENT_SERIALIZER (serializer), G_PRIORITY_DEFAULT);
return serializer->priority;
}
/**
* gdk_content_serializer_get_cancellable:
* @serializer: a #GdkContentSerializer
*
* Gets the cancellable that was passed to gdk_content_serialize_async().
*
* Returns: (transfer none): the cancellable for the current operation
*/
GCancellable *
gdk_content_serializer_get_cancellable (GdkContentSerializer *serializer)
{
g_return_val_if_fail (GDK_IS_CONTENT_SERIALIZER (serializer), NULL);
return serializer->cancellable;
}
/**
* gdk_content_serializer_get_user_data:
* @serializer: a #GdkContentSerializer
*
* Gets the user data that was passed when the serializer was registered.
*
* Returns: (transfer none): the user data for this serializer
*/
gpointer
gdk_content_serializer_get_user_data (GdkContentSerializer *serializer)
{
g_return_val_if_fail (GDK_IS_CONTENT_SERIALIZER (serializer), NULL);
return serializer->user_data;
}
/**
* gdk_content_serializer_set_task_data:
* @serializer: a #GdkContentSerializer
* @data: data to associate with this operation
* @notify: destroy notify for @data
*
* Associate data with the current serialization operation.
*/
void
gdk_content_serializer_set_task_data (GdkContentSerializer *serializer,
gpointer data,
GDestroyNotify notify)
{
g_return_if_fail (GDK_IS_CONTENT_SERIALIZER (serializer));
if (serializer->task_notify)
serializer->task_notify (serializer->task_data);
serializer->task_data = data;
serializer->task_notify = notify;
}
/**
* gdk_content_serializer_get_task_data:
* @serializer: a #GdkContentSerializer
*
* Gets the data that was associated with @serializer via gdk_content_serializer_set_task_data().
*
* Returns: (transfer none): the task data for @serializer
*/
gpointer
gdk_content_serializer_get_task_data (GdkContentSerializer *serializer)
{
g_return_val_if_fail (GDK_IS_CONTENT_SERIALIZER (serializer), NULL);
return serializer->task_data;
}
static gboolean
gdk_content_serializer_emit_callback (gpointer data)
{
GdkContentSerializer *serializer = data;
if (serializer->callback)
{
serializer->callback (NULL, G_ASYNC_RESULT (serializer), serializer->callback_data);
}
return G_SOURCE_REMOVE;
}
/**
* gdk_content_serializer_return_success:
* @serializer: a #GdkContentSerializer
*
* Indicate that the serialization has been successfully completed.
*/
void
gdk_content_serializer_return_success (GdkContentSerializer *serializer)
{
g_return_if_fail (GDK_IS_CONTENT_SERIALIZER (serializer));
g_return_if_fail (!serializer->returned);
serializer->returned = TRUE;
g_idle_add_full (serializer->priority,
gdk_content_serializer_emit_callback,
serializer,
g_object_unref);
/* NB: the idle will destroy our reference */
}
/**
* gdk_content_serializer_return_error:
* @serializer: a #GdkContentSerializer
* @error: a #GError
*
* Indicate that the serialization has ended with an error.
* This function consumes @error.
*/
void
gdk_content_serializer_return_error (GdkContentSerializer *serializer,
GError *error)
{
g_return_if_fail (GDK_IS_CONTENT_SERIALIZER (serializer));
g_return_if_fail (!serializer->returned);
g_return_if_fail (error != NULL);
serializer->error = error;
/* FIXME: naming */
gdk_content_serializer_return_success (serializer);
}
/**
* gdk_content_register_serializer:
* @type: the type of objects that the function can serialize
* @mime_type: the mime type to serialize to
* @serialize: the callback
* @data: data that @serialize can access
* @notify: destroy notify for @data
*
* Registers a function to convert objects of the given @type to
* a serialized representation with the given mime type.
*/
void
gdk_content_register_serializer (GType type,
const char *mime_type,
GdkContentSerializeFunc serialize,
gpointer data,
GDestroyNotify notify)
{
Serializer *serializer;
g_return_if_fail (mime_type != NULL);
g_return_if_fail (serialize != NULL);
init ();
serializer = g_slice_new0 (Serializer);
serializer->mime_type = g_intern_string (mime_type);
serializer->type = type;
serializer->serialize = serialize;
serializer->data = data;
serializer->notify = notify;
g_queue_push_tail (&serializers, serializer);
}
static Serializer *
lookup_serializer (const char *mime_type,
GType type)
{
GList *l;
g_return_val_if_fail (mime_type != NULL, NULL);
init ();
mime_type = g_intern_string (mime_type);
for (l = g_queue_peek_head_link (&serializers); l; l = l->next)
{
Serializer *serializer = l->data;
if (serializer->mime_type == mime_type &&
serializer->type == type)
return serializer;
}
return NULL;
}
/**
* gdk_content_formats_union_serialize_gtypes:
* @formats: (transfer full): a #GdkContentFormats
*
* Add GTypes for the mime types in @formats for which serializers are
* registered.
*
* Return: a new #GdkContentFormats
*/
GdkContentFormats *
gdk_content_formats_union_serialize_gtypes (GdkContentFormats *formats)
{
GdkContentFormatsBuilder *builder;
GList *l;
g_return_val_if_fail (formats != NULL, NULL);
init ();
builder = gdk_content_formats_builder_new ();
gdk_content_formats_builder_add_formats (builder, formats);
for (l = g_queue_peek_head_link (&serializers); l; l = l->next)
{
Serializer *serializer = l->data;
if (gdk_content_formats_contain_mime_type (formats, serializer->mime_type))
gdk_content_formats_builder_add_gtype (builder, serializer->type);
}
gdk_content_formats_unref (formats);
return gdk_content_formats_builder_free_to_formats (builder);
}
/**
* gdk_content_formats_union_serialize_mime_types:
* @formats: (transfer full): a #GdkContentFormats
*
* Add mime types for GTypes in @formats for which serializers are
* registered.
*
* Return: a new #GdkContentFormats
*/
GdkContentFormats *
gdk_content_formats_union_serialize_mime_types (GdkContentFormats *formats)
{
GdkContentFormatsBuilder *builder;
GList *l;
g_return_val_if_fail (formats != NULL, NULL);
init ();
builder = gdk_content_formats_builder_new ();
gdk_content_formats_builder_add_formats (builder, formats);
for (l = g_queue_peek_head_link (&serializers); l; l = l->next)
{
Serializer *serializer = l->data;
if (gdk_content_formats_contain_gtype (formats, serializer->type))
gdk_content_formats_builder_add_mime_type (builder, serializer->mime_type);
}
gdk_content_formats_unref (formats);
return gdk_content_formats_builder_free_to_formats (builder);
}
static void
serialize_not_found (GdkContentSerializer *serializer)
{
GError *error = g_error_new (G_IO_ERROR,
G_IO_ERROR_NOT_FOUND,
"Could not convert data from %s to %s",
g_type_name (gdk_content_serializer_get_gtype (serializer)),
gdk_content_serializer_get_mime_type (serializer));
gdk_content_serializer_return_error (serializer, error);
}
/**
* gdk_content_serialize_async:
* @stream: a #GOutputStream to write the serialized content to
* @mime_type: the mime type to serialize to
* @value: the content to serialize
* @io_priority: the io priority of the operation
* @cancellable: (nullable): optional #GCancellable object
* @callback: (scope async): callback to call when the operation is done
* @user_data: (closure): data to pass to the callback function
*
* Serialize content and write it to the given output stream, asynchronously.
* When the operation is finished, @callback will be called. You can then
* call gdk_content_serialize_finish() to get the result of the operation.
*/
void
gdk_content_serialize_async (GOutputStream *stream,
const char *mime_type,
const GValue *value,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
Serializer *serializer;
g_return_if_fail (G_IS_OUTPUT_STREAM (stream));
g_return_if_fail (cancellable == NULL || G_IS_CANCELLABLE (cancellable));
g_return_if_fail (callback != NULL);
serializer = lookup_serializer (mime_type, G_VALUE_TYPE (value));
gdk_content_serializer_run (mime_type,
value,
stream,
io_priority,
cancellable,
serializer ? serializer->serialize : serialize_not_found,
serializer ? serializer->data : NULL,
callback,
user_data);
}
/**
* gdk_content_serialize_finish:
* @result: the #GAsyncResult
* @error: return location for an error
*
* Finishes a content serialization operation.
*
* Returns: %TRUE if the operation was successful, %FALSE if an
* error occurred. In this case, @error is set
*/
gboolean
gdk_content_serialize_finish (GAsyncResult *result,
GError **error)
{
GdkContentSerializer *serializer;
g_return_val_if_fail (GDK_IS_CONTENT_SERIALIZER (result), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
serializer = GDK_CONTENT_SERIALIZER (result);
if (serializer->error)
{
if (error)
*error = g_error_copy (serializer->error);
return FALSE;
}
return TRUE;
}
/*** SERIALIZERS ***/
static void
pixbuf_serializer_finish (GObject *source,
GAsyncResult *res,
gpointer serializer)
{
GError *error = NULL;
if (!gdk_pixbuf_save_to_stream_finish (res, &error))
gdk_content_serializer_return_error (serializer, error);
else
gdk_content_serializer_return_success (serializer);
}
static void
pixbuf_serializer (GdkContentSerializer *serializer)
{
const GValue *value;
GdkPixbuf *pixbuf;
const char *name;
name = gdk_content_serializer_get_user_data (serializer);
value = gdk_content_serializer_get_value (serializer);
if (G_VALUE_HOLDS (value, GDK_TYPE_PIXBUF))
{
pixbuf = g_value_dup_object (value);
}
else if (G_VALUE_HOLDS (value, GDK_TYPE_TEXTURE))
{
GdkTexture *texture = g_value_get_object (value);
cairo_surface_t *surface = gdk_texture_download_surface (texture);
pixbuf = gdk_pixbuf_get_from_surface (surface,
0, 0,
gdk_texture_get_width (texture), gdk_texture_get_height (texture));
cairo_surface_destroy (surface);
}
else
{
g_assert_not_reached ();
}
gdk_pixbuf_save_to_stream_async (pixbuf,
gdk_content_serializer_get_output_stream (serializer),
name,
gdk_content_serializer_get_cancellable (serializer),
pixbuf_serializer_finish,
serializer,
g_str_equal (name, "png") ? "compression" : NULL, "2",
NULL);
g_object_unref (pixbuf);
}
static void
string_serializer_finish (GObject *source,
GAsyncResult *result,
gpointer serializer)
{
GOutputStream *stream = G_OUTPUT_STREAM (source);
GError *error = NULL;
if (!g_output_stream_write_all_finish (stream, result, NULL, &error))
gdk_content_serializer_return_error (serializer, error);
else
gdk_content_serializer_return_success (serializer);
}
static void
string_serializer (GdkContentSerializer *serializer)
{
GOutputStream *filter;
GCharsetConverter *converter;
GError *error = NULL;
const char *text;
converter = g_charset_converter_new (gdk_content_serializer_get_user_data (serializer),
"utf-8",
&error);
if (converter == NULL)
{
gdk_content_serializer_return_error (serializer, error);
return;
}
g_charset_converter_set_use_fallback (converter, TRUE);
filter = g_converter_output_stream_new (gdk_content_serializer_get_output_stream (serializer),
G_CONVERTER (converter));
g_object_unref (converter);
text = g_value_get_string (gdk_content_serializer_get_value (serializer));
if (text == NULL)
text = "";
g_output_stream_write_all_async (filter,
text,
strlen (text) + 1,
gdk_content_serializer_get_priority (serializer),
gdk_content_serializer_get_cancellable (serializer),
string_serializer_finish,
serializer);
g_object_unref (filter);
}
static void
file_serializer_finish (GObject *source,
GAsyncResult *result,
gpointer serializer)
{
GOutputStream *stream = G_OUTPUT_STREAM (source);
GError *error = NULL;
if (!g_output_stream_write_all_finish (stream, result, NULL, &error))
gdk_content_serializer_return_error (serializer, error);
else
gdk_content_serializer_return_success (serializer);
}
static void
file_uri_serializer (GdkContentSerializer *serializer)
{
GFile *file;
GString *str;
const GValue *value;
char *uri;
str = g_string_new (NULL);
value = gdk_content_serializer_get_value (serializer);
if (G_VALUE_HOLDS (value, G_TYPE_FILE))
{
file = g_value_get_object (gdk_content_serializer_get_value (serializer));
if (file)
{
uri = g_file_get_uri (file);
g_string_append (str, uri);
g_free (uri);
}
else
{
g_string_append (str, "# GTK does not crash when copying a NULL GFile!");
}
g_string_append (str, "\r\n");
}
else if (G_VALUE_HOLDS (value, GDK_TYPE_FILE_LIST))
{
GSList *l;
for (l = g_value_get_boxed (value); l; l = l->next)
{
uri = g_file_get_uri (l->data);
g_string_append (str, uri);
g_free (uri);
g_string_append (str, "\r\n");
}
}
g_output_stream_write_all_async (gdk_content_serializer_get_output_stream (serializer),
str->str,
str->len,
gdk_content_serializer_get_priority (serializer),
gdk_content_serializer_get_cancellable (serializer),
file_serializer_finish,
serializer);
gdk_content_serializer_set_task_data (serializer, g_string_free (str, FALSE), g_free);
}
static void
file_text_serializer (GdkContentSerializer *serializer)
{
const GValue *value;
char *path = NULL;
value = gdk_content_serializer_get_value (serializer);
if (G_VALUE_HOLDS (value, G_TYPE_FILE))
{
GFile *file;
file = g_value_get_object (value);
if (file)
{
path = g_file_get_path (file);
if (path == NULL)
path = g_file_get_uri (file);
}
}
else if (G_VALUE_HOLDS (value, GDK_TYPE_FILE_LIST))
{
GString *str;
GSList *l;
str = g_string_new (NULL);
for (l = g_value_get_boxed (value); l; l = l->next)
{
path = g_file_get_path (l->data);
if (path == NULL)
path = g_file_get_uri (l->data);
g_string_append (str, path);
g_free (path);
if (l->next)
g_string_append (str, " ");
}
path = g_string_free (str, FALSE);
}
g_assert (path != NULL);
g_output_stream_write_all_async (gdk_content_serializer_get_output_stream (serializer),
path,
strlen (path),
gdk_content_serializer_get_priority (serializer),
gdk_content_serializer_get_cancellable (serializer),
file_serializer_finish,
serializer);
gdk_content_serializer_set_task_data (serializer, path, g_free);
}
static void
color_serializer_finish (GObject *source,
GAsyncResult *result,
gpointer serializer)
{
GOutputStream *stream = G_OUTPUT_STREAM (source);
GError *error = NULL;
if (!g_output_stream_write_all_finish (stream, result, NULL, &error))
gdk_content_serializer_return_error (serializer, error);
else
gdk_content_serializer_return_success (serializer);
}
static void
color_serializer (GdkContentSerializer *serializer)
{
const GValue *value;
GdkRGBA *rgba;
guint16 *data;
value = gdk_content_serializer_get_value (serializer);
rgba = g_value_get_boxed (value);
data = g_new0 (guint16, 4);
if (rgba)
{
data[0] = (guint16) (rgba->red * 65535);
data[1] = (guint16) (rgba->green * 65535);
data[2] = (guint16) (rgba->blue * 65535);
data[3] = (guint16) (rgba->alpha * 65535);
}
g_output_stream_write_all_async (gdk_content_serializer_get_output_stream (serializer),
data,
4 * sizeof (guint16),
gdk_content_serializer_get_priority (serializer),
gdk_content_serializer_get_cancellable (serializer),
color_serializer_finish,
serializer);
gdk_content_serializer_set_task_data (serializer, data, g_free);
}
static void
init (void)
{
static gboolean initialized = FALSE;
GSList *formats, *f;
const char *charset;
if (initialized)
return;
initialized = TRUE;
formats = gdk_pixbuf_get_formats ();
/* Make sure png comes first */
for (f = formats; f; f = f->next)
{
GdkPixbufFormat *fmt = f->data;
char *name;
name = gdk_pixbuf_format_get_name (fmt);
if (g_str_equal (name, "png"))
{
formats = g_slist_delete_link (formats, f);
formats = g_slist_prepend (formats, fmt);
g_free (name);
break;
}
g_free (name);
}
for (f = formats; f; f = f->next)
{
GdkPixbufFormat *fmt = f->data;
char **mimes, **m;
if (!gdk_pixbuf_format_is_writable (fmt))
continue;
mimes = gdk_pixbuf_format_get_mime_types (fmt);
for (m = mimes; *m; m++)
{
gdk_content_register_serializer (GDK_TYPE_TEXTURE,
*m,
pixbuf_serializer,
gdk_pixbuf_format_get_name (fmt),
g_free);
gdk_content_register_serializer (GDK_TYPE_PIXBUF,
*m,
pixbuf_serializer,
gdk_pixbuf_format_get_name (fmt),
g_free);
}
g_strfreev (mimes);
}
g_slist_free (formats);
#if defined(G_OS_UNIX) && !defined(__APPLE__)
file_transfer_portal_register ();
#endif
gdk_content_register_serializer (G_TYPE_FILE,
"text/uri-list",
file_uri_serializer,
NULL,
NULL);
gdk_content_register_serializer (G_TYPE_FILE,
"text/plain;charset=utf-8",
file_text_serializer,
NULL,
NULL);
gdk_content_register_serializer (GDK_TYPE_FILE_LIST,
"text/uri-list",
file_uri_serializer,
NULL,
NULL);
gdk_content_register_serializer (GDK_TYPE_FILE_LIST,
"text/plain;charset=utf-8",
file_text_serializer,
NULL,
NULL);
gdk_content_register_serializer (G_TYPE_STRING,
"text/plain;charset=utf-8",
string_serializer,
(gpointer) "utf-8",
NULL);
if (!g_get_charset (&charset))
{
char *mime = g_strdup_printf ("text/plain;charset=%s", charset);
gdk_content_register_serializer (G_TYPE_STRING,
mime,
string_serializer,
(gpointer) charset,
NULL);
}
gdk_content_register_serializer (G_TYPE_STRING,
"text/plain",
string_serializer,
(gpointer) "ASCII",
NULL);
gdk_content_register_serializer (GDK_TYPE_RGBA,
"application/x-color",
color_serializer,
NULL,
NULL);
}
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