[gtk+/wip/otte/clipboard: 32/64] clipboard: Add serialization
- From: Benjamin Otte <otte src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk+/wip/otte/clipboard: 32/64] clipboard: Add serialization
- Date: Fri, 1 Dec 2017 05:24:55 +0000 (UTC)
commit 688d05cee422f2859f7072ee35a40dc7ad02fbf6
Author: Benjamin Otte <otte redhat com>
Date: Fri Nov 24 11:15:51 2017 +0100
clipboard: Add serialization
This completes the local clipboard code.
gdk/gdk.h | 1 +
gdk/gdkclipboard.c | 72 +++++-
gdk/gdkcontentserializer.c | 562 ++++++++++++++++++++++++++++++++++++++++++++
gdk/gdkcontentserializer.h | 90 +++++++
gdk/meson.build | 2 +
5 files changed, 716 insertions(+), 11 deletions(-)
---
diff --git a/gdk/gdk.h b/gdk/gdk.h
index 89f13d2..4f0bf80 100644
--- a/gdk/gdk.h
+++ b/gdk/gdk.h
@@ -36,6 +36,7 @@
#include <gdk/gdkcontentformats.h>
#include <gdk/gdkcontentprovider.h>
#include <gdk/gdkcontentproviderimpl.h>
+#include <gdk/gdkcontentserializer.h>
#include <gdk/gdkcursor.h>
#include <gdk/gdkdevice.h>
#include <gdk/gdkdevicepad.h>
diff --git a/gdk/gdkclipboard.c b/gdk/gdkclipboard.c
index b19b090..b5dc5db 100644
--- a/gdk/gdkclipboard.c
+++ b/gdk/gdkclipboard.c
@@ -24,6 +24,7 @@
#include "gdkcontentformats.h"
#include "gdkcontentproviderimpl.h"
#include "gdkcontentproviderprivate.h"
+#include "gdkcontentserializer.h"
#include "gdkdisplay.h"
#include "gdkintl.h"
#include "gdkpipeiostreamprivate.h"
@@ -164,14 +165,10 @@ gdk_clipboard_read_local_async (GdkClipboard *clipboard,
}
content_formats = gdk_content_provider_ref_formats (priv->content);
+ content_formats = gdk_content_formats_union_serialize_mime_types (content_formats);
- if (!gdk_content_formats_match (content_formats, formats, NULL, &mime_type)
- || mime_type == NULL)
- {
- g_task_return_new_error (task, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
- _("No compatible formats to transfer clipboard contents."));
- }
- else
+ if (gdk_content_formats_match (content_formats, formats, NULL, &mime_type)
+ && mime_type != NULL)
{
GOutputStream *output_stream;
GIOStream *stream;
@@ -190,6 +187,11 @@ gdk_clipboard_read_local_async (GdkClipboard *clipboard,
g_object_unref (stream);
}
+ else
+ {
+ g_task_return_new_error (task, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+ _("No compatible formats to transfer clipboard contents."));
+ }
gdk_content_formats_unref (content_formats);
g_object_unref (task);
@@ -826,6 +828,20 @@ gdk_clipboard_write_done (GObject *content,
g_object_unref (task);
}
+static void
+gdk_clipboard_write_serialize_done (GObject *content,
+ GAsyncResult *result,
+ gpointer task)
+{
+ GError *error = NULL;
+
+ if (gdk_content_serialize_finish (result, &error))
+ g_task_return_boolean (task, TRUE);
+ else
+ g_task_return_error (task, error);
+
+ g_object_unref (task);
+}
void
gdk_clipboard_write_async (GdkClipboard *clipboard,
const char *mime_type,
@@ -836,8 +852,9 @@ gdk_clipboard_write_async (GdkClipboard *clipboard,
gpointer user_data)
{
GdkClipboardPrivate *priv = gdk_clipboard_get_instance_private (clipboard);
- GdkContentFormats *formats;
+ GdkContentFormats *formats, *mime_formats;
GTask *task;
+ GType gtype;
g_return_if_fail (GDK_IS_CLIPBOARD (clipboard));
g_return_if_fail (priv->local);
@@ -873,11 +890,42 @@ gdk_clipboard_write_async (GdkClipboard *clipboard,
return;
}
- g_task_return_new_error (task, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
- _("FIXME: Implement serializing."));
+ mime_formats = gdk_content_formats_new ((const gchar *[2]) { mime_type, NULL }, 1);
+ mime_formats = gdk_content_formats_union_serialize_gtypes (mime_formats);
+ if (gdk_content_formats_match (mime_formats, formats, >ype, NULL))
+ {
+ GValue value = G_VALUE_INIT;
+ GError *error = NULL;
+
+ g_assert (gtype != G_TYPE_INVALID);
+
+ g_value_init (&value, gtype);
+ if (gdk_content_provider_get_value (priv->content, &value, &error))
+ {
+ gdk_content_serialize_async (stream,
+ mime_type,
+ &value,
+ io_priority,
+ cancellable,
+ gdk_clipboard_write_serialize_done,
+ g_object_ref (task));
+ }
+ else
+ {
+ g_task_return_error (task, error);
+ }
+
+ g_value_unset (&value);
+ }
+ else
+ {
+ g_task_return_new_error (task, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+ _("No compatible formats to transfer clipboard contents."));
+ }
+
+ gdk_content_formats_unref (mime_formats);
gdk_content_formats_unref (formats);
g_object_unref (task);
- return;
}
gboolean
@@ -954,6 +1002,7 @@ gdk_clipboard_content_changed_cb (GdkContentProvider *provider,
GdkContentFormats *formats;
formats = gdk_content_provider_ref_formats (provider);
+ formats = gdk_content_formats_union_serialize_mime_types (formats);
gdk_clipboard_claim (clipboard, formats, TRUE, provider);
@@ -1000,6 +1049,7 @@ gdk_clipboard_set_content (GdkClipboard *clipboard,
return;
formats = gdk_content_provider_ref_formats (provider);
+ formats = gdk_content_formats_union_serialize_mime_types (formats);
}
else
{
diff --git a/gdk/gdkcontentserializer.c b/gdk/gdkcontentserializer.c
new file mode 100644
index 0000000..6860c97
--- /dev/null
+++ b/gdk/gdkcontentserializer.c
@@ -0,0 +1,562 @@
+/* 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 <gdk-pixbuf/gdk-pixbuf.h>
+#include <string.h>
+
+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;
+ GCancellable *cancellable;
+ gpointer user_data;
+ GAsyncReadyCallback callback;
+ gpointer callback_data;
+
+ GError *error;
+ gboolean returned;
+};
+
+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);
+
+ 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);
+}
+
+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;
+}
+
+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);
+}
+
+const GValue *
+gdk_content_serializer_get_value (GdkContentSerializer *serializer)
+{
+ g_return_val_if_fail (GDK_IS_CONTENT_SERIALIZER (serializer), NULL);
+
+ return &serializer->value;
+}
+
+GOutputStream *
+gdk_content_serializer_get_output_stream (GdkContentSerializer *serializer)
+{
+ g_return_val_if_fail (GDK_IS_CONTENT_SERIALIZER (serializer), NULL);
+
+ return serializer->stream;
+}
+
+int
+gdk_content_serializer_get_priority (GdkContentSerializer *serializer)
+{
+ g_return_val_if_fail (GDK_IS_CONTENT_SERIALIZER (serializer), G_PRIORITY_DEFAULT);
+
+ return serializer->priority;
+}
+
+GCancellable *
+gdk_content_serializer_get_cancellable (GdkContentSerializer *serializer)
+{
+ g_return_val_if_fail (GDK_IS_CONTENT_SERIALIZER (serializer), NULL);
+
+ return serializer->cancellable;
+}
+
+gpointer
+gdk_content_serializer_get_user_data (GdkContentSerializer *serializer)
+{
+ g_return_val_if_fail (GDK_IS_CONTENT_SERIALIZER (serializer), NULL);
+
+ return serializer->user_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;
+}
+
+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 */
+}
+
+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);
+}
+
+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;
+}
+
+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 (builder);
+}
+
+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 (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);
+}
+
+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);
+}
+
+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 char *name = gdk_content_serializer_get_user_data (serializer);
+
+ gdk_pixbuf_save_to_stream_async (g_value_get_object (gdk_content_serializer_get_value (serializer)),
+ 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);
+}
+
+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
+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;
+ gchar *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;
+ gchar **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_PIXBUF,
+ *m,
+ pixbuf_serializer,
+ g_strdup (gdk_pixbuf_format_get_name (fmt)),
+ g_free);
+ }
+ g_strfreev (mimes);
+ }
+
+ g_slist_free (formats);
+
+ 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,
+ mime,
+ g_free);
+ }
+ gdk_content_register_serializer (G_TYPE_STRING,
+ "text/plain",
+ string_serializer,
+ (gpointer) "ASCII",
+ NULL);
+}
+
diff --git a/gdk/gdkcontentserializer.h b/gdk/gdkcontentserializer.h
new file mode 100644
index 0000000..b1acf7f
--- /dev/null
+++ b/gdk/gdkcontentserializer.h
@@ -0,0 +1,90 @@
+/* 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/>.
+ */
+
+#ifndef __GTK_CONTENT_SERIALIZER_H__
+#define __GTK_CONTENT_SERIALIZER_H__
+
+#if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
+#error "Only <gdk/gdk.h> can be included directly."
+#endif
+
+
+#include <gdk/gdkversionmacros.h>
+#include <gdk/gdktypes.h>
+#include <gio/gio.h>
+
+G_BEGIN_DECLS
+
+#define GDK_TYPE_CONTENT_SERIALIZER (gdk_content_serializer_get_type ())
+#define GDK_CONTENT_SERIALIZER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GDK_TYPE_CONTENT_SERIALIZER,
GdkContentSerializer))
+#define GDK_IS_CONTENT_SERIALIZER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GDK_TYPE_CONTENT_SERIALIZER))
+
+typedef struct _GdkContentSerializer GdkContentSerializer;
+
+typedef void (* GdkContentSerializeFunc) (GdkContentSerializer *serializer);
+
+GDK_AVAILABLE_IN_3_94
+GType gdk_content_serializer_get_type (void) G_GNUC_CONST;
+
+GDK_AVAILABLE_IN_3_94
+const char * gdk_content_serializer_get_mime_type (GdkContentSerializer *serializer);
+GDK_AVAILABLE_IN_3_94
+GType gdk_content_serializer_get_gtype (GdkContentSerializer *serializer);
+GDK_AVAILABLE_IN_3_94
+const GValue * gdk_content_serializer_get_value (GdkContentSerializer *serializer);
+GDK_AVAILABLE_IN_3_94
+GOutputStream * gdk_content_serializer_get_output_stream (GdkContentSerializer *serializer);
+GDK_AVAILABLE_IN_3_94
+int gdk_content_serializer_get_priority (GdkContentSerializer *serializer);
+GDK_AVAILABLE_IN_3_94
+GCancellable * gdk_content_serializer_get_cancellable (GdkContentSerializer *serializer);
+GDK_AVAILABLE_IN_3_94
+gpointer gdk_content_serializer_get_user_data (GdkContentSerializer *serializer);
+
+GDK_AVAILABLE_IN_3_94
+void gdk_content_serializer_return_success (GdkContentSerializer *serializer);
+GDK_AVAILABLE_IN_3_94
+void gdk_content_serializer_return_error (GdkContentSerializer *serializer,
+ GError *error);
+
+GDK_AVAILABLE_IN_3_94
+GdkContentFormats * gdk_content_formats_union_serialize_gtypes (GdkContentFormats *formats);
+GDK_AVAILABLE_IN_3_94
+GdkContentFormats * gdk_content_formats_union_serialize_mime_types (GdkContentFormats *formats);
+
+GDK_AVAILABLE_IN_3_94
+void gdk_content_register_serializer (GType type,
+ const char *mime_type,
+ GdkContentSerializeFunc serialize,
+ gpointer data,
+ GDestroyNotify notify);
+GDK_AVAILABLE_IN_3_94
+void gdk_content_serialize_async (GOutputStream *stream,
+ const char *mime_type,
+ const GValue *value,
+ int io_priority,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data);
+GDK_AVAILABLE_IN_3_94
+gboolean gdk_content_serialize_finish (GAsyncResult *result,
+ GError **error);
+
+
+G_END_DECLS
+
+#endif /* __GDK_CONTENT_SERIALIZER_H__ */
diff --git a/gdk/meson.build b/gdk/meson.build
index b13e9c7..90f8001 100644
--- a/gdk/meson.build
+++ b/gdk/meson.build
@@ -7,6 +7,7 @@ gdk_public_sources = files([
'gdkcontentformats.c',
'gdkcontentprovider.c',
'gdkcontentproviderimpl.c',
+ 'gdkcontentserializer.c',
'gdkcursor.c',
'gdkdevice.c',
'gdkdevicepad.c',
@@ -51,6 +52,7 @@ gdk_public_headers = files([
'gdkcontentformats.h',
'gdkcontentprovider.h',
'gdkcontentproviderimpl.h',
+ 'gdkcontentserializer.h',
'gdkcursor.h',
'gdkdevice.h',
'gdkdevicepad.h',
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