core: implement MetaInhibitShortcutsDialogDefault

this is the default implementation of the inhibit shortcuts dialog,
does nothing but allowing the shortcut inhibit request.

https://bugzilla.gnome.org/show_bug.cgi?id=783342

src/core/meta-inhibit-shortcuts-dialog-default-private.h

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2017 Red Hat
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef META_INHIBIT_SHORTCUTS_DIALOG_DEFAULT_H
+#define META_INHIBIT_SHORTCUTS_DIALOG_DEFAULT_H
+
+#define META_TYPE_INHIBIT_SHORTCUTS_DIALOG_DEFAULT (meta_inhibit_shortcuts_dialog_default_get_type ())
+G_DECLARE_FINAL_TYPE (MetaInhibitShortcutsDialogDefault,
+                      meta_inhibit_shortcuts_dialog_default,
+                      META, INHIBIT_SHORTCUTS_DIALOG_DEFAULT,
+                      GObject)
+
+MetaInhibitShortcutsDialog * meta_inhibit_shortcuts_dialog_default_new (MetaWindow *window);
+
+#endif /* META_INHIBIT_SHORTCUTS_DIALOG_DEFAULT_H */

src/core/meta-inhibit-shortcuts-dialog-default.c

@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2001, 2002 Havoc Pennington
+ * Copyright (C) 2004 Elijah Newren
+ * Copyright (C) 2017 Red Hat
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <config.h>
+
+#include "util-private.h"
+#include "window-private.h"
+#include "meta/meta-inhibit-shortcuts-dialog.h"
+#include "meta-inhibit-shortcuts-dialog-default-private.h"
+
+typedef struct _MetaInhibitShortcutsDialogDefaultPrivate MetaInhibitShortcutsDialogDefaultPrivate;
+
+struct _MetaInhibitShortcutsDialogDefault
+{
+  GObject parent_instance;
+  MetaWindow *window;
+};
+
+enum {
+  PROP_0,
+  PROP_WINDOW,
+  N_PROPS
+};
+
+static void meta_inhibit_shortcuts_dialog_iface_init (MetaInhibitShortcutsDialogInterface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (MetaInhibitShortcutsDialogDefault, meta_inhibit_shortcuts_dialog_default,
+                         G_TYPE_OBJECT,
+                         G_IMPLEMENT_INTERFACE (META_TYPE_INHIBIT_SHORTCUTS_DIALOG,
+                                                meta_inhibit_shortcuts_dialog_iface_init))
+
+static void
+meta_inhibit_shortcuts_dialog_default_show (MetaInhibitShortcutsDialog *dialog)
+{
+  /* Default to allow shortcuts inhibitor, but complain that no dialog is implemented */
+  g_warning ("No MetaInhibitShortcutDialog implementation, falling back on allowing");
+  meta_inhibit_shortcuts_dialog_response (dialog, META_INHIBIT_SHORTCUTS_DIALOG_RESPONSE_ALLOW);
+}
+
+static void
+meta_inhibit_shortcuts_dialog_default_hide (MetaInhibitShortcutsDialog *dialog)
+{
+}
+
+static void
+meta_inhibit_shortcuts_dialog_iface_init (MetaInhibitShortcutsDialogInterface *iface)
+{
+  iface->show = meta_inhibit_shortcuts_dialog_default_show;
+  iface->hide = meta_inhibit_shortcuts_dialog_default_hide;
+}
+
+static void
+meta_inhibit_shortcuts_dialog_default_set_property (GObject      *object,
+                                                    guint         prop_id,
+                                                    const GValue *value,
+                                                    GParamSpec   *pspec)
+{
+  MetaInhibitShortcutsDialogDefault *dialog;
+
+  dialog = META_INHIBIT_SHORTCUTS_DIALOG_DEFAULT (object);
+
+  switch (prop_id)
+    {
+    case PROP_WINDOW:
+      dialog->window = g_value_get_object (value);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+meta_inhibit_shortcuts_dialog_default_get_property (GObject    *object,
+                                                    guint       prop_id,
+                                                    GValue     *value,
+                                                    GParamSpec *pspec)
+{
+  MetaInhibitShortcutsDialogDefault *dialog;
+
+  dialog = META_INHIBIT_SHORTCUTS_DIALOG_DEFAULT (object);
+
+  switch (prop_id)
+    {
+    case PROP_WINDOW:
+      g_value_set_object (value, dialog->window);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+meta_inhibit_shortcuts_dialog_default_class_init (MetaInhibitShortcutsDialogDefaultClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->set_property = meta_inhibit_shortcuts_dialog_default_set_property;
+  object_class->get_property = meta_inhibit_shortcuts_dialog_default_get_property;
+
+  g_object_class_override_property (object_class, PROP_WINDOW, "window");
+}
+
+static void
+meta_inhibit_shortcuts_dialog_default_init (MetaInhibitShortcutsDialogDefault *dialog)
+{
+}
+
+MetaInhibitShortcutsDialog *
+meta_inhibit_shortcuts_dialog_default_new (MetaWindow *window)
+{
+  return g_object_new (META_TYPE_INHIBIT_SHORTCUTS_DIALOG_DEFAULT,
+                       "window", window,
+                       NULL);
+}