[virt-tools-list] [PATCH virt-viewer 1/2] Add file transfer dialog

Jonathon Jongsma jjongsma at redhat.com
Thu Apr 7 22:06:30 UTC 2016


The file transfer progress dialog depends on new API provided by
spice-gtk to display the progress of each individual file being
transferred between the client and the guest. If we're not building
against a new enough version of spice-gtk, the dialog will simply be
disabled.

The dialog also allows each transfer to be cancelled individually, or to
cancel all ongoing transfers at once.
---
 src/Makefile.am                        |   2 +
 src/virt-viewer-file-transfer-dialog.c | 231 +++++++++++++++++++++++++++++++++
 src/virt-viewer-file-transfer-dialog.h |  65 ++++++++++
 src/virt-viewer-session-spice.c        |  35 +++++
 4 files changed, 333 insertions(+)
 create mode 100644 src/virt-viewer-file-transfer-dialog.c
 create mode 100644 src/virt-viewer-file-transfer-dialog.h

diff --git a/src/Makefile.am b/src/Makefile.am
index ff487ba..115d73d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -91,6 +91,8 @@ libvirt_viewer_la_SOURCES += \
 	virt-viewer-session-spice.c \
 	virt-viewer-display-spice.h \
 	virt-viewer-display-spice.c \
+	virt-viewer-file-transfer-dialog.h \
+	virt-viewer-file-transfer-dialog.c \
 	$(NULL)
 endif
 
diff --git a/src/virt-viewer-file-transfer-dialog.c b/src/virt-viewer-file-transfer-dialog.c
new file mode 100644
index 0000000..4cf3221
--- /dev/null
+++ b/src/virt-viewer-file-transfer-dialog.c
@@ -0,0 +1,231 @@
+/*
+ * Virt Viewer: A virtual machine console viewer
+ *
+ * Copyright (C) 2015 Red Hat, Inc.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "virt-viewer-file-transfer-dialog.h"
+#include <glib/gi18n.h>
+
+#if SPICE_GTK_CHECK_VERSION(0, 30, 6)
+
+G_DEFINE_TYPE(VirtViewerFileTransferDialog, virt_viewer_file_transfer_dialog, GTK_TYPE_DIALOG)
+
+#define FILE_TRANSFER_DIALOG_PRIVATE(o) \
+        (G_TYPE_INSTANCE_GET_PRIVATE((o), VIRT_VIEWER_TYPE_FILE_TRANSFER_DIALOG, VirtViewerFileTransferDialogPrivate))
+
+struct _VirtViewerFileTransferDialogPrivate
+{
+    /* GHashTable<SpiceFileTransferTask, widgets> */
+    GHashTable *file_transfers;
+};
+
+
+static void
+virt_viewer_file_transfer_dialog_dispose(GObject *object)
+{
+    VirtViewerFileTransferDialog *self = VIRT_VIEWER_FILE_TRANSFER_DIALOG(object);
+
+    if (self->priv->file_transfers) {
+        g_hash_table_unref(self->priv->file_transfers);
+        self->priv->file_transfers = NULL;
+    }
+
+    G_OBJECT_CLASS(virt_viewer_file_transfer_dialog_parent_class)->dispose(object);
+}
+
+static void
+virt_viewer_file_transfer_dialog_class_init(VirtViewerFileTransferDialogClass *klass)
+{
+    GObjectClass *object_class = G_OBJECT_CLASS(klass);
+
+    g_type_class_add_private(klass, sizeof(VirtViewerFileTransferDialogPrivate));
+
+    object_class->dispose = virt_viewer_file_transfer_dialog_dispose;
+}
+
+static void
+dialog_response(GtkDialog *dialog,
+                gint response_id,
+                gpointer user_data G_GNUC_UNUSED)
+{
+    VirtViewerFileTransferDialog *self = VIRT_VIEWER_FILE_TRANSFER_DIALOG(dialog);
+    GHashTableIter iter;
+    gpointer key, value;
+
+    switch (response_id) {
+        case GTK_RESPONSE_CANCEL:
+            /* cancel all current tasks */
+            g_hash_table_iter_init(&iter, self->priv->file_transfers);
+
+            while (g_hash_table_iter_next(&iter, &key, &value)) {
+                spice_file_transfer_task_cancel(SPICE_FILE_TRANSFER_TASK(key));
+            }
+            break;
+        case GTK_RESPONSE_DELETE_EVENT:
+            /* silently ignore */
+            break;
+        default:
+            g_warn_if_reached();
+    }
+}
+
+static void task_cancel_clicked(GtkButton *button G_GNUC_UNUSED,
+                                gpointer user_data)
+{
+    SpiceFileTransferTask *task = user_data;
+    spice_file_transfer_task_cancel(task);
+}
+
+typedef struct {
+    GtkWidget *vbox;
+    GtkWidget *hbox;
+    GtkWidget *progress;
+    GtkWidget *label;
+    GtkWidget *cancel;
+} TaskWidgets;
+
+static TaskWidgets *task_widgets_new(SpiceFileTransferTask *task)
+{
+    TaskWidgets *w = g_new0(TaskWidgets, 1);
+
+#if !GTK_CHECK_VERSION(3, 0, 0)
+    w->vbox = gtk_vbox_new(FALSE, 6);
+    w->hbox = gtk_hbox_new(FALSE, 12);
+#else
+    w->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 6);
+    w->hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 12);
+#endif
+    w->progress = gtk_progress_bar_new();
+    w->label = gtk_label_new(spice_file_transfer_task_get_filename(task));
+#if !GTK_CHECK_VERSION(3, 0, 0)
+    w->cancel = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
+#else
+    w->cancel = gtk_button_new_from_icon_name("gtk-cancel", GTK_ICON_SIZE_SMALL_TOOLBAR);
+#endif
+#if GTK_CHECK_VERSION(3, 0, 0)
+    gtk_widget_set_hexpand(w->progress, TRUE);
+    gtk_widget_set_valign(w->progress, GTK_ALIGN_CENTER);
+    gtk_widget_set_hexpand(w->label, TRUE);
+    gtk_widget_set_valign(w->label, GTK_ALIGN_END);
+    gtk_widget_set_halign(w->label, GTK_ALIGN_START);
+    gtk_widget_set_hexpand(w->cancel, FALSE);
+    gtk_widget_set_valign(w->cancel, GTK_ALIGN_CENTER);
+#endif
+
+    g_signal_connect(w->cancel, "clicked",
+                     G_CALLBACK(task_cancel_clicked), task);
+
+    gtk_box_pack_start(GTK_BOX(w->hbox), w->progress, TRUE, TRUE, 0);
+    gtk_box_pack_start(GTK_BOX(w->hbox), w->cancel, FALSE, TRUE, 0);
+    gtk_box_pack_start(GTK_BOX(w->vbox), w->label, TRUE, TRUE, 0);
+    gtk_box_pack_start(GTK_BOX(w->vbox), w->hbox, TRUE, TRUE, 0);
+
+    gtk_widget_show_all(w->vbox);
+    return w;
+}
+
+static gboolean delete_event(GtkWidget *widget,
+                             GdkEvent *event G_GNUC_UNUSED,
+                             gpointer user_data G_GNUC_UNUSED)
+{
+    /* don't allow window to be deleted, just process the response signal,
+     * which may result in the window being hidden */
+    gtk_dialog_response(GTK_DIALOG(widget), GTK_RESPONSE_CANCEL);
+    return TRUE;
+}
+
+static void
+virt_viewer_file_transfer_dialog_init(VirtViewerFileTransferDialog *self)
+{
+    GtkBox *content = GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(self)));
+
+    self->priv = FILE_TRANSFER_DIALOG_PRIVATE(self);
+
+    gtk_widget_set_size_request(GTK_WIDGET(content), 400, -1);
+    gtk_container_set_border_width(GTK_CONTAINER(content), 12);
+    self->priv->file_transfers = g_hash_table_new_full(g_direct_hash, g_direct_equal,
+                                                       g_object_unref,
+                                                       (GDestroyNotify)g_free);
+    gtk_dialog_add_button(GTK_DIALOG(self), _("Cancel"), GTK_RESPONSE_CANCEL);
+    gtk_dialog_set_default_response(GTK_DIALOG(self),
+                                    GTK_RESPONSE_CANCEL);
+    g_signal_connect(self, "response", G_CALLBACK(dialog_response), NULL);
+    g_signal_connect(self, "delete-event", G_CALLBACK(delete_event), NULL);
+}
+
+VirtViewerFileTransferDialog *
+virt_viewer_file_transfer_dialog_new(GtkWindow *parent)
+{
+    return g_object_new(VIRT_VIEWER_TYPE_FILE_TRANSFER_DIALOG,
+                        "title", _("File Transfers"),
+                        "transient-for", parent,
+                        "resizable", FALSE,
+                        NULL);
+}
+
+static void task_progress_notify(GObject *object,
+                                 GParamSpec *pspec G_GNUC_UNUSED,
+                                 gpointer user_data)
+{
+    VirtViewerFileTransferDialog *self = VIRT_VIEWER_FILE_TRANSFER_DIALOG(user_data);
+    SpiceFileTransferTask *task = SPICE_FILE_TRANSFER_TASK(object);
+    TaskWidgets *w = g_hash_table_lookup(self->priv->file_transfers, task);
+    g_return_if_fail(w);
+
+    double pct = spice_file_transfer_task_get_progress(task);
+    gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(w->progress), pct);
+}
+
+static void task_finished(SpiceFileTransferTask *task,
+                          GError *error,
+                          gpointer user_data)
+{
+    VirtViewerFileTransferDialog *self = VIRT_VIEWER_FILE_TRANSFER_DIALOG(user_data);
+    TaskWidgets *w = g_hash_table_lookup(self->priv->file_transfers, task);
+
+    if (error && !g_error_matches(error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
+        g_warning("File transfer task %p failed: %s", task, error->message);
+
+    g_return_if_fail(w);
+
+    gtk_widget_destroy(w->vbox);
+
+    g_hash_table_remove(self->priv->file_transfers, task);
+
+    /* if this is the last transfer, close the dialog */
+    if (!g_hash_table_size(self->priv->file_transfers))
+        gtk_widget_hide(GTK_WIDGET(self));
+}
+
+void virt_viewer_file_transfer_dialog_add_task(VirtViewerFileTransferDialog *self,
+                                               SpiceFileTransferTask *task)
+{
+    GtkBox *content = GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(self)));
+    TaskWidgets *w = task_widgets_new(task);
+
+    gtk_box_pack_start(content,
+                       w->vbox,
+                       TRUE, TRUE, 12);
+    g_hash_table_insert(self->priv->file_transfers, g_object_ref(task), w);
+    g_signal_connect(task, "notify::progress", G_CALLBACK(task_progress_notify), self);
+    g_signal_connect(task, "finished", G_CALLBACK(task_finished), self);
+
+    gtk_widget_show(GTK_WIDGET(self));
+}
+
+#endif /* SPICE_GTK_CHECK_VERSION(0, 30, 6) */
diff --git a/src/virt-viewer-file-transfer-dialog.h b/src/virt-viewer-file-transfer-dialog.h
new file mode 100644
index 0000000..49ced30
--- /dev/null
+++ b/src/virt-viewer-file-transfer-dialog.h
@@ -0,0 +1,65 @@
+/*
+ * Virt Viewer: A virtual machine console viewer
+ *
+ * Copyright (C) 2015 Red Hat, Inc.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef __VIRT_VIEWER_FILE_TRANSFER_DIALOG_H__
+#define __VIRT_VIEWER_FILE_TRANSFER_DIALOG_H__
+
+#include <gtk/gtk.h>
+#include <spice-client.h>
+
+G_BEGIN_DECLS
+
+#if SPICE_GTK_CHECK_VERSION(0, 30, 6)
+
+#define VIRT_VIEWER_TYPE_FILE_TRANSFER_DIALOG virt_viewer_file_transfer_dialog_get_type()
+
+#define VIRT_VIEWER_FILE_TRANSFER_DIALOG(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), VIRT_VIEWER_TYPE_FILE_TRANSFER_DIALOG, VirtViewerFileTransferDialog))
+#define VIRT_VIEWER_FILE_TRANSFER_DIALOG_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), VIRT_VIEWER_TYPE_FILE_TRANSFER_DIALOG, VirtViewerFileTransferDialogClass))
+#define VIRT_VIEWER_IS_FILE_TRANSFER_DIALOG(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), VIRT_VIEWER_TYPE_FILE_TRANSFER_DIALOG))
+#define VIRT_VIEWER_IS_FILE_TRANSFER_DIALOG_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), VIRT_VIEWER_TYPE_FILE_TRANSFER_DIALOG))
+#define VIRT_VIEWER_FILE_TRANSFER_DIALOG_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), VIRT_VIEWER_TYPE_FILE_TRANSFER_DIALOG, VirtViewerFileTransferDialogClass))
+
+typedef struct _VirtViewerFileTransferDialog VirtViewerFileTransferDialog;
+typedef struct _VirtViewerFileTransferDialogClass VirtViewerFileTransferDialogClass;
+typedef struct _VirtViewerFileTransferDialogPrivate VirtViewerFileTransferDialogPrivate;
+
+struct _VirtViewerFileTransferDialog
+{
+    GtkDialog parent;
+
+    VirtViewerFileTransferDialogPrivate *priv;
+};
+
+struct _VirtViewerFileTransferDialogClass
+{
+    GtkDialogClass parent_class;
+};
+
+GType virt_viewer_file_transfer_dialog_get_type(void) G_GNUC_CONST;
+
+VirtViewerFileTransferDialog *virt_viewer_file_transfer_dialog_new(GtkWindow *parent);
+void virt_viewer_file_transfer_dialog_add_task(VirtViewerFileTransferDialog *self,
+                                               SpiceFileTransferTask *task);
+
+#endif /* SPICE_GTK_CHECK_VERSION(0, 30, 6) */
+
+G_END_DECLS
+
+#endif /* __VIRT_VIEWER_FILE_TRANSFER_DIALOG_H__ */
diff --git a/src/virt-viewer-session-spice.c b/src/virt-viewer-session-spice.c
index f7f2dc9..fc028e5 100644
--- a/src/virt-viewer-session-spice.c
+++ b/src/virt-viewer-session-spice.c
@@ -36,6 +36,10 @@
 #include "virt-viewer-auth.h"
 
 
+#if SPICE_GTK_CHECK_VERSION(0, 30, 6)
+#include "virt-viewer-file-transfer-dialog.h"
+#endif
+
 G_DEFINE_TYPE (VirtViewerSessionSpice, virt_viewer_session_spice, VIRT_VIEWER_TYPE_SESSION)
 
 
@@ -50,6 +54,10 @@ struct _VirtViewerSessionSpicePrivate {
     gboolean has_sw_smartcard_reader;
     guint pass_try;
     gboolean did_auto_conf;
+#if SPICE_GTK_CHECK_VERSION(0, 30, 6)
+    VirtViewerFileTransferDialog *file_transfer_dialog;
+#endif
+
 };
 
 #define VIRT_VIEWER_SESSION_SPICE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), VIRT_VIEWER_TYPE_SESSION_SPICE, VirtViewerSessionSpicePrivate))
@@ -147,6 +155,12 @@ virt_viewer_session_spice_dispose(GObject *obj)
     spice->priv->audio = NULL;
 
     g_clear_object(&spice->priv->main_window);
+#if SPICE_GTK_CHECK_VERSION(0, 30, 6)
+    if (spice->priv->file_transfer_dialog) {
+        gtk_widget_destroy(GTK_WIDGET(spice->priv->file_transfer_dialog));
+        spice->priv->file_transfer_dialog = NULL;
+    }
+#endif
 
     G_OBJECT_CLASS(virt_viewer_session_spice_parent_class)->dispose(obj);
 }
@@ -224,6 +238,11 @@ virt_viewer_session_spice_constructed(GObject *obj)
                                       G_CALLBACK(update_share_folder), self,
                                       G_CONNECT_SWAPPED);
 
+#if SPICE_GTK_CHECK_VERSION(0, 30, 6)
+    self->priv->file_transfer_dialog =
+        virt_viewer_file_transfer_dialog_new(self->priv->main_window);
+#endif
+
     G_OBJECT_CLASS(virt_viewer_session_spice_parent_class)->constructed(obj);
 }
 
@@ -921,6 +940,18 @@ virt_viewer_session_spice_display_monitors(SpiceChannel *channel,
 
 }
 
+#if SPICE_GTK_CHECK_VERSION(0, 30, 6)
+static void
+on_new_file_transfer(SpiceMainChannel *channel G_GNUC_UNUSED,
+                     SpiceFileTransferTask *task,
+                     gpointer user_data)
+{
+    VirtViewerSessionSpice *self = VIRT_VIEWER_SESSION_SPICE(user_data);
+    virt_viewer_file_transfer_dialog_add_task(self->priv->file_transfer_dialog,
+                                              task);
+}
+#endif
+
 static void
 virt_viewer_session_spice_channel_new(SpiceSession *s,
                                       SpiceChannel *channel,
@@ -953,6 +984,10 @@ virt_viewer_session_spice_channel_new(SpiceSession *s,
 
         virt_viewer_signal_connect_object(channel, "notify::agent-connected",
                                           G_CALLBACK(agent_connected_changed), self, 0);
+#if SPICE_GTK_CHECK_VERSION(0, 30, 6)
+        virt_viewer_signal_connect_object(channel, "new-file-transfer",
+                                          G_CALLBACK(on_new_file_transfer), self, 0);
+#endif
     }
 
     if (SPICE_IS_DISPLAY_CHANNEL(channel)) {
-- 
2.4.11




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