spice: show progress of drag & drop file transfers

remmina-plugins/spice/CMakeLists.txt

@@ -32,6 +32,7 @@
 
 set(REMMINA_PLUGIN_SPICE_SRCS
 	spice_plugin.c
+	spice_plugin_file_transfer.c
 	spice_plugin_usb.c
 	)
 

remmina-plugins/spice/spice_plugin.c

@@ -54,6 +54,11 @@ static void remmina_plugin_spice_display_ready_cb(GObject *, GParamSpec *, Remmi
 static void remmina_plugin_spice_update_scale(RemminaProtocolWidget *);
 
 void remmina_plugin_spice_select_usb_devices(RemminaProtocolWidget *);
+#ifdef SPICE_GTK_CHECK_VERSION
+#  if SPICE_GTK_CHECK_VERSION(0, 31, 0)
+void remmina_plugin_spice_file_transfer_new_cb(SpiceMainChannel *, SpiceFileTransferTask *, RemminaProtocolWidget *);
+#  endif /* SPICE_GTK_CHECK_VERSION(0, 31, 0) */
+#endif /* SPICE_GTK_CHECK_VERSION */
 
 static void remmina_plugin_spice_init(RemminaProtocolWidget *gp)
 {
@@ -152,6 +157,15 @@ static gboolean remmina_plugin_spice_close_connection(RemminaProtocolWidget *gp)
 		remmina_plugin_service->protocol_plugin_emit_signal(gp, "disconnect");
 	}
 
+#ifdef SPICE_GTK_CHECK_VERSION
+#  if SPICE_GTK_CHECK_VERSION(0, 31, 0)
+	if (gpdata->file_transfers)
+	{
+		g_hash_table_unref(gpdata->file_transfers);
+	}
+#  endif /* SPICE_GTK_CHECK_VERSION(0, 31, 0) */
+#endif /* SPICE_GTK_CHECK_VERSION */
+
 	return FALSE;
 }
 
@@ -172,6 +186,14 @@ static void remmina_plugin_spice_channel_new_cb(SpiceSession *session, SpiceChan
 		                 "channel-event",
 		                 G_CALLBACK(remmina_plugin_spice_main_channel_event_cb),
 		                 gp);
+#ifdef SPICE_GTK_CHECK_VERSION
+#  if SPICE_GTK_CHECK_VERSION(0, 31, 0)
+		g_signal_connect(channel,
+		                 "new-file-transfer",
+		                 G_CALLBACK(remmina_plugin_spice_file_transfer_new_cb),
+		                 gp);
+#  endif /* SPICE_GTK_CHECK_VERSION(0, 31, 0) */
+#endif /* SPICE_GTK_CHECK_VERSION */
 	}
 
 	if (SPICE_IS_DISPLAY_CHANNEL(channel))

remmina-plugins/spice/spice_plugin.h

@@ -59,6 +59,14 @@ typedef struct _RemminaPluginSpiceData
 	SpiceGtkSession *gtk_session;
 	SpiceMainChannel *main_channel;
 	SpiceSession *session;
+
+#ifdef SPICE_GTK_CHECK_VERSION
+#  if SPICE_GTK_CHECK_VERSION(0, 31, 0)
+	/* key: SpiceFileTransferTask, value: RemminaPluginSpiceXferWidgets */
+	GHashTable *file_transfers;
+	GtkWidget  *file_transfer_dialog;
+#  endif /* SPICE_GTK_CHECK_VERSION(0, 31, 0) */
+#endif /* SPICE_GTK_CHECK_VERSION */
 } RemminaPluginSpiceData;
 
 

remmina-plugins/spice/spice_plugin_file_transfer.c

@@ -0,0 +1,223 @@
+/*
+ * Remmina - The GTK+ Remote Desktop Client
+ * Copyright (C) 2016 Denis Ollier
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301, USA.
+ *
+ *  In addition, as a special exception, the copyright holders give
+ *  permission to link the code of portions of this program with the
+ *  OpenSSL library under certain conditions as described in each
+ *  individual source file, and distribute linked combinations
+ *  including the two.
+ *  You must obey the GNU General Public License in all respects
+ *  for all of the code used other than OpenSSL. *  If you modify
+ *  file(s) with this exception, you may extend this exception to your
+ *  version of the file(s), but you are not obligated to do so. *  If you
+ *  do not wish to do so, delete this exception statement from your
+ *  version. *  If you delete this exception statement from all source
+ *  files in the program, then also delete it here.
+ *
+ */
+
+#include "spice_plugin.h"
+
+#ifdef SPICE_GTK_CHECK_VERSION
+#  if SPICE_GTK_CHECK_VERSION(0, 31, 0)
+
+static void remmina_plugin_spice_file_transfer_cancel_cb(GtkButton *, SpiceFileTransferTask *);
+static void remmina_plugin_spice_file_transfer_dialog_response_cb(GtkDialog *, gint, RemminaProtocolWidget *);
+static void remmina_plugin_spice_file_transfer_finished_cb(SpiceFileTransferTask *, GError *, RemminaProtocolWidget *);
+static void remmina_plugin_spice_file_transfer_progress_cb(GObject *, GParamSpec *, RemminaProtocolWidget *);
+
+typedef struct _RemminaPluginSpiceXferWidgets {
+	GtkWidget *vbox;
+	GtkWidget *hbox;
+	GtkWidget *progress;
+	GtkWidget *label;
+	GtkWidget *cancel;
+} RemminaPluginSpiceXferWidgets;
+
+static RemminaPluginSpiceXferWidgets * remmina_plugin_spice_xfer_widgets_new(SpiceFileTransferTask *);
+static void remmina_plugin_spice_xfer_widgets_free(RemminaPluginSpiceXferWidgets *widgets);
+
+void remmina_plugin_spice_file_transfer_new_cb(SpiceMainChannel *main_channel, SpiceFileTransferTask *task, RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+
+	GtkWidget *dialog_content;
+	RemminaPluginSpiceXferWidgets *widgets;
+	RemminaPluginSpiceData *gpdata = GET_PLUGIN_DATA(gp);
+
+	g_signal_connect(task,
+	                 "finished",
+	                 G_CALLBACK(remmina_plugin_spice_file_transfer_finished_cb),
+	                 gp);
+
+	if (!gpdata->file_transfers)
+	{
+	    gpdata->file_transfers = g_hash_table_new_full(g_direct_hash,
+	                                                   g_direct_equal,
+	                                                   g_object_unref,
+	                                                   (GDestroyNotify)remmina_plugin_spice_xfer_widgets_free);
+	}
+
+	if (!gpdata->file_transfer_dialog)
+	{
+		/*
+		 * FIXME: Use the RemminaConnectionWindow as transient parent widget
+		 * (and add the GTK_DIALOG_DESTROY_WITH_PARENT flag) if it becomes
+		 * accessible from the Remmina plugin API.
+		 */
+		gpdata->file_transfer_dialog = gtk_dialog_new_with_buttons(_("File Transfers"),
+		                                                           NULL, 0,
+		                                                           _("_Cancel"),
+		                                                           GTK_RESPONSE_CANCEL,
+		                                                           NULL);
+		dialog_content = gtk_dialog_get_content_area(GTK_DIALOG(gpdata->file_transfer_dialog));
+		gtk_widget_set_size_request(dialog_content, 400, -1);
+		gtk_window_set_resizable(GTK_WINDOW(gpdata->file_transfer_dialog), FALSE);
+		g_signal_connect(gpdata->file_transfer_dialog,
+		                 "response",
+		                 G_CALLBACK(remmina_plugin_spice_file_transfer_dialog_response_cb),
+		                 gp);
+	}
+
+	widgets = remmina_plugin_spice_xfer_widgets_new(task);
+	g_hash_table_insert(gpdata->file_transfers, g_object_ref(task), widgets);
+
+	gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(gpdata->file_transfer_dialog))),
+	                   widgets->vbox,
+	                   TRUE, TRUE, 6);
+
+	g_signal_connect(task,
+	                 "notify::progress",
+	                 G_CALLBACK(remmina_plugin_spice_file_transfer_progress_cb),
+	                 gp);
+
+	gtk_widget_show(gpdata->file_transfer_dialog);
+}
+
+static RemminaPluginSpiceXferWidgets * remmina_plugin_spice_xfer_widgets_new(SpiceFileTransferTask *task)
+{
+	TRACE_CALL(__func__);
+
+	gchar *filename;
+	RemminaPluginSpiceXferWidgets *widgets = g_new0(RemminaPluginSpiceXferWidgets, 1);
+
+	widgets->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
+	widgets->hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 6);
+
+	filename = spice_file_transfer_task_get_filename(task);
+	widgets->label = gtk_label_new(filename);
+	gtk_widget_set_halign(widgets->label, GTK_ALIGN_START);
+	gtk_widget_set_valign(widgets->label, GTK_ALIGN_BASELINE);
+
+	widgets->progress = gtk_progress_bar_new();
+	gtk_widget_set_hexpand(widgets->progress, TRUE);
+	gtk_widget_set_valign(widgets->progress, GTK_ALIGN_CENTER);
+
+	widgets->cancel = gtk_button_new_from_icon_name("gtk-cancel", GTK_ICON_SIZE_SMALL_TOOLBAR);
+	g_signal_connect(widgets->cancel,
+	                 "clicked",
+	                 G_CALLBACK(remmina_plugin_spice_file_transfer_cancel_cb),
+	                 task);
+	gtk_widget_set_hexpand(widgets->cancel, FALSE);
+	gtk_widget_set_valign(widgets->cancel, GTK_ALIGN_CENTER);
+
+	gtk_box_pack_start(GTK_BOX(widgets->hbox), widgets->progress,
+	                   TRUE, TRUE, 0);
+	gtk_box_pack_start(GTK_BOX(widgets->hbox), widgets->cancel,
+	                   FALSE, TRUE, 0);
+
+	gtk_box_pack_start(GTK_BOX(widgets->vbox), widgets->label,
+	                   TRUE, TRUE, 0);
+	gtk_box_pack_start(GTK_BOX(widgets->vbox), widgets->hbox,
+	                   TRUE, TRUE, 0);
+
+	gtk_widget_show_all(widgets->vbox);
+
+	g_free(filename);
+
+	return widgets;
+}
+
+static void remmina_plugin_spice_xfer_widgets_free(RemminaPluginSpiceXferWidgets *widgets)
+{
+	TRACE_CALL(__func__);
+
+	/* Child widgets will be destroyed automatically */
+	gtk_widget_destroy(widgets->vbox);
+	g_free(widgets);
+}
+
+static void remmina_plugin_spice_file_transfer_cancel_cb(GtkButton *button, SpiceFileTransferTask *task)
+{
+	TRACE_CALL(__func__);
+
+	spice_file_transfer_task_cancel(task);
+}
+
+
+static void remmina_plugin_spice_file_transfer_dialog_response_cb(GtkDialog *dialog, gint response, RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+
+	GHashTableIter iter;
+	gpointer key, value;
+	SpiceFileTransferTask *task;
+	RemminaPluginSpiceData *gpdata = GET_PLUGIN_DATA(gp);
+
+	if (response == GTK_RESPONSE_CANCEL)
+	{
+		g_hash_table_iter_init(&iter, gpdata->file_transfers);
+		while (g_hash_table_iter_next(&iter, &key, &value))
+		{
+			task = key;
+			spice_file_transfer_task_cancel(task);
+		}
+	}
+}
+
+static void remmina_plugin_spice_file_transfer_progress_cb(GObject *task, GParamSpec *param_spec, RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+
+	RemminaPluginSpiceXferWidgets *widgets;
+	RemminaPluginSpiceData *gpdata = GET_PLUGIN_DATA(gp);
+
+	widgets = g_hash_table_lookup(gpdata->file_transfers, task);
+	if (widgets)
+	{
+		gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(widgets->progress),
+		                              spice_file_transfer_task_get_progress(SPICE_FILE_TRANSFER_TASK(task)));
+	}
+}
+
+static void remmina_plugin_spice_file_transfer_finished_cb(SpiceFileTransferTask *task, GError *error, RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+
+	RemminaPluginSpiceData *gpdata = GET_PLUGIN_DATA(gp);
+
+	g_hash_table_remove(gpdata->file_transfers, task);
+
+	if (!g_hash_table_size(gpdata->file_transfers))
+	{
+		gtk_widget_hide(gpdata->file_transfer_dialog);
+	}
+}
+#  endif /* SPICE_GTK_CHECK_VERSION(0, 31, 0) */
+#endif /* SPICE_GTK_CHECK_VERSION */