Initial version of file chooser portal support
Implement GtkFileChooserNative for sandboxed applications by talking to org.freedesktop.portal.FileChooser. Currently, this supports OPEN and SAVE mode. https://bugzilla.gnome.org/show_bug.cgi?id=768499
This commit is contained in:
Alexander Larsson
committed by
Matthias Clasen
Matthias Clasen
parent
e47957406d
commit
01d0bac83e
392
gtk/gtkfilechoosernativeportal.c
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392
gtk/gtkfilechoosernativeportal.c
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@ -0,0 +1,392 @@
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/* -*- Mode: C; c-file-style: "gnu"; tab-width: 8 -*- */
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/* GTK - The GIMP Toolkit
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* gtkfilechoosernativeportal.c: Portal File selector dialog
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* Copyright (C) 2015, Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gtkfilechoosernativeprivate.h"
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#include "gtknativedialogprivate.h"
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#include "gtkprivate.h"
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#include "gtkfilechooserdialog.h"
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#include "gtkfilechooserprivate.h"
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#include "gtkfilechooserwidget.h"
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#include "gtkfilechooserwidgetprivate.h"
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#include "gtkfilechooserutils.h"
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#include "gtkfilechooserembed.h"
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#include "gtkfilesystem.h"
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#include "gtksizerequest.h"
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#include "gtktypebuiltins.h"
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#include "gtkintl.h"
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#include "gtksettings.h"
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#include "gtktogglebutton.h"
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#include "gtkstylecontext.h"
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#include "gtkheaderbar.h"
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#include "gtklabel.h"
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#include "gtkmain.h"
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#include "gtkinvisible.h"
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#include "gtkfilechooserentry.h"
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#include "gtkfilefilterprivate.h"
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#ifdef GDK_WINDOWING_X11
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#include "x11/gdkx.h"
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#endif
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typedef struct {
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GtkFileChooserNative *self;
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GtkWidget *grab_widget;
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GDBusConnection *connection;
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char *portal_handle;
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guint portal_response_signal_id;
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gboolean modal;
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gboolean hidden;
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} FilechooserPortalData;
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static void
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filechooser_portal_data_free (FilechooserPortalData *data)
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{
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if (data->portal_response_signal_id != 0)
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g_dbus_connection_signal_unsubscribe (data->connection,
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data->portal_response_signal_id);
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g_object_unref (data->connection);
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if (data->grab_widget)
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{
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gtk_grab_remove (data->grab_widget);
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gtk_widget_destroy (data->grab_widget);
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}
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g_clear_object (&data->self);
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g_free (data->portal_handle);
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g_free (data);
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}
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static void
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one_file_response (GDBusConnection *connection,
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const gchar *sender_name,
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const gchar *object_path,
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const gchar *interface_name,
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const gchar *signal_name,
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GVariant *parameters,
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gpointer user_data)
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{
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GtkFileChooserNative *self = user_data;
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FilechooserPortalData *data = self->mode_data;
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guint32 portal_response;
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int gtk_response;
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char *uri, *handle;
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GVariant *response_data;
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g_variant_get (parameters, "(&ou&s@a{sv})", &handle, &portal_response, &uri, &response_data);
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if (data->portal_handle == NULL ||
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strcmp (handle, data->portal_handle) != 0)
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return;
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g_slist_free_full (self->custom_files, g_object_unref);
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self->custom_files = g_slist_prepend (NULL, g_file_new_for_uri (uri));
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switch (portal_response)
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{
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case 0:
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gtk_response = GTK_RESPONSE_OK;
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break;
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case 1:
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gtk_response = GTK_RESPONSE_CANCEL;
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break;
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case 2:
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default:
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gtk_response = GTK_RESPONSE_DELETE_EVENT;
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break;
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}
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filechooser_portal_data_free (data);
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self->mode_data = NULL;
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_gtk_native_dialog_emit_response (GTK_NATIVE_DIALOG (self), gtk_response);
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}
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static void
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multi_file_response (GDBusConnection *connection,
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const gchar *sender_name,
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const gchar *object_path,
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const gchar *interface_name,
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const gchar *signal_name,
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GVariant *parameters,
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gpointer user_data)
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{
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GtkFileChooserNative *self = user_data;
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FilechooserPortalData *data = self->mode_data;
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guint32 portal_response;
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int gtk_response;
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char *handle;
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char **uris;
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int i;
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GVariant *response_data;
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g_variant_get (parameters, "(&ou^a&s@a{sv})", &handle, &portal_response, &uris, &response_data);
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if (data->portal_handle == NULL ||
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strcmp (handle, data->portal_handle) != 0)
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return;
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g_slist_free_full (self->custom_files, g_object_unref);
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self->custom_files = NULL;
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for (i = 0; uris[i]; i++)
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self->custom_files = g_slist_prepend (self->custom_files, g_file_new_for_uri (uris[i]));
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switch (portal_response)
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{
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case 0:
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gtk_response = GTK_RESPONSE_OK;
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break;
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case 1:
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gtk_response = GTK_RESPONSE_CANCEL;
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break;
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case 2:
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default:
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gtk_response = GTK_RESPONSE_DELETE_EVENT;
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break;
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}
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filechooser_portal_data_free (data);
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self->mode_data = NULL;
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_gtk_native_dialog_emit_response (GTK_NATIVE_DIALOG (self), gtk_response);
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}
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static void
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send_close (FilechooserPortalData *data)
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{
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GDBusMessage *message;
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GError *error = NULL;
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message = g_dbus_message_new_method_call ("org.freedesktop.portal.Desktop",
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"/org/freedesktop/portal/desktop",
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"org.freedesktop.portal.FileChooser",
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"Close");
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g_dbus_message_set_body (message,
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g_variant_new ("(o)", data->portal_handle));
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if (!g_dbus_connection_send_message (data->connection,
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message,
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G_DBUS_SEND_MESSAGE_FLAGS_NONE,
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NULL, &error))
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{
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g_warning ("unable to send FileChooser Close message: %s", error->message);
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g_error_free (error);
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}
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g_object_unref (message);
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}
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static void
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open_file_msg_cb (GObject *source_object,
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GAsyncResult *res,
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gpointer user_data)
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{
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FilechooserPortalData *data = user_data;
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GtkFileChooserNative *self = data->self;
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GDBusMessage *reply;
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GError *error = NULL;
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reply = g_dbus_connection_send_message_with_reply_finish (data->connection, res, &error);
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if (reply && g_dbus_message_to_gerror (reply, &error))
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g_clear_object (&reply);
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if (reply == NULL)
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{
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if (!data->hidden)
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_gtk_native_dialog_emit_response (GTK_NATIVE_DIALOG (self), GTK_RESPONSE_DELETE_EVENT);
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g_warning ("Can't open portal file chooser: %s", error->message);
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g_error_free (error);
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filechooser_portal_data_free (data);
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self->mode_data = NULL;
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return;
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}
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g_variant_get_child (g_dbus_message_get_body (reply), 0, "o",
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&data->portal_handle);
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if (data->hidden)
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{
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/* The dialog was hidden before we got the handle, close it now */
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send_close (data);
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filechooser_portal_data_free (data);
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self->mode_data = NULL;
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}
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g_object_unref (reply);
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}
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gboolean
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gtk_file_chooser_native_portal_show (GtkFileChooserNative *self)
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{
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FilechooserPortalData *data;
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GtkWindow *transient_for;
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guint update_preview_signal;
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GDBusConnection *connection;
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char *parent_window_str;
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GDBusMessage *message;
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GVariantBuilder opt_builder;
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GtkFileChooserAction action;
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gboolean multiple;
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const char *method_name;
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const char *signal_name;
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GDBusSignalCallback signal_callback;
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if (g_getenv ("GTK_USE_PORTAL") == NULL)
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return FALSE;
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if (gtk_file_chooser_get_extra_widget (GTK_FILE_CHOOSER (self)) != NULL)
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return FALSE;
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update_preview_signal = g_signal_lookup ("update-preview", GTK_TYPE_FILE_CHOOSER);
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if (g_signal_has_handler_pending (self, update_preview_signal, 0, TRUE))
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return FALSE;
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connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
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if (connection == NULL)
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return FALSE;
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action = gtk_file_chooser_get_action (GTK_FILE_CHOOSER (self));
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multiple = gtk_file_chooser_get_select_multiple (GTK_FILE_CHOOSER (self));
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if (action == GTK_FILE_CHOOSER_ACTION_OPEN && !multiple)
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{
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method_name = "OpenFile";
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signal_name = "OpenFileResponse";
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signal_callback = one_file_response;
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}
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else if (action == GTK_FILE_CHOOSER_ACTION_OPEN && multiple)
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{
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method_name = "OpenFiles";
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signal_name = "OpenFilesResponse";
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signal_callback = multi_file_response;
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}
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else if (action == GTK_FILE_CHOOSER_ACTION_SAVE)
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{
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method_name = "SaveFile";
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signal_name = "SaveFileResponse";
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signal_callback = one_file_response;
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}
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else
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{
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g_warning ("GTK_FILE_CHOOSER_ACTION_%s is not supported by GtkFileChooserNativePortal", action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER ? "SELECT_FOLDER" : "CREATE_FOLDER");
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return FALSE;
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}
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data = g_new0 (FilechooserPortalData, 1);
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data->self = g_object_ref (self);
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data->connection = connection;
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message = g_dbus_message_new_method_call ("org.freedesktop.portal.Desktop",
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"/org/freedesktop/portal/desktop",
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"org.freedesktop.portal.FileChooser",
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method_name);
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parent_window_str = NULL;
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transient_for = gtk_native_dialog_get_transient_for (GTK_NATIVE_DIALOG (self));
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if (transient_for != NULL && gtk_widget_is_visible (GTK_WIDGET (transient_for)))
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{
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GdkWindow *window = gtk_widget_get_window (GTK_WIDGET (transient_for));
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#ifdef GDK_WINDOWING_X11
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if (GDK_IS_X11_WINDOW(window))
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parent_window_str = g_strdup_printf ("x11:%x", (guint32)gdk_x11_window_get_xid (window));
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#endif
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}
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if (gtk_native_dialog_get_modal (GTK_NATIVE_DIALOG (self)))
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data->modal = TRUE;
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if (data->modal && transient_for)
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{
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data->grab_widget = gtk_invisible_new_for_screen (gtk_widget_get_screen (GTK_WIDGET (transient_for)));
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gtk_grab_add (GTK_WIDGET (data->grab_widget));
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}
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g_variant_builder_init (&opt_builder, G_VARIANT_TYPE_VARDICT);
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if (self->accept_label)
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g_variant_builder_add (&opt_builder, "{sv}", "accept_label",
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g_variant_new_string (self->accept_label));
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if (self->cancel_label)
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g_variant_builder_add (&opt_builder, "{sv}", "cancel_label",
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g_variant_new_string (self->cancel_label));
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g_variant_builder_add (&opt_builder, "{sv}", "modal",
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g_variant_new_boolean (data->modal));
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g_dbus_message_set_body (message,
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g_variant_new ("(ss@a{sv})",
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parent_window_str ? parent_window_str : "",
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gtk_native_dialog_get_title (GTK_NATIVE_DIALOG (self)),
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g_variant_builder_end (&opt_builder)));
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g_free (parent_window_str);
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data->portal_response_signal_id =
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g_dbus_connection_signal_subscribe (data->connection,
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"org.freedesktop.portal.Desktop",
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"org.freedesktop.portal.FileChooser",
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signal_name,
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"/org/freedesktop/portal/desktop",
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NULL,
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G_DBUS_SIGNAL_FLAGS_NO_MATCH_RULE,
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signal_callback,
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self, NULL);
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g_dbus_connection_send_message_with_reply (data->connection,
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message,
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G_DBUS_SEND_MESSAGE_FLAGS_NONE,
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G_MAXINT,
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NULL,
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NULL,
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open_file_msg_cb,
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data);
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g_object_unref (message);
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self->mode_data = data;
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return TRUE;
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}
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void
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gtk_file_chooser_native_portal_hide (GtkFileChooserNative *self)
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{
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FilechooserPortalData *data = self->mode_data;
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/* This is always set while dialog visible */
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g_assert (data != NULL);
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data->hidden = TRUE;
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if (data->portal_handle)
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{
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send_close (data);
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filechooser_portal_data_free (data);
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}
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self->mode_data = NULL;
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}
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Block a user