[mutter] core: add MetaInhibitShortcutsDialog

[Olivier Fourdan <ofourdan src gnome org>]

commit b894fbd9ff0f3efa347ff807b91f94b7c0a53113
Author: Olivier Fourdan <ofourdan redhat com>
Date:   Wed Jun 14 10:54:16 2017 +0200

    core: add MetaInhibitShortcutsDialog
    
    Add a new interface for allowing or denying shortcuts inhibit requests.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=783342

 src/Makefile.am                          |    3 +
 src/core/meta-inhibit-shortcuts-dialog.c |  103 ++++++++++++++++++++++++++++++
 src/meta/meta-inhibit-shortcuts-dialog.h |   49 ++++++++++++++
 3 files changed, 155 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 736fff1..4d45a8a 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -235,6 +235,8 @@ libmutter_@LIBMUTTER_API_VERSION@_la_SOURCES =      \
        meta/meta-close-dialog.h                \
        core/meta-close-dialog-default.c        \
        core/meta-close-dialog-default-private.h        \
+       core/meta-inhibit-shortcuts-dialog.c    \
+       meta/meta-inhibit-shortcuts-dialog.h    \
        core/delete.c                           \
        core/display.c                          \
        core/display-private.h                  \
@@ -453,6 +455,7 @@ libmutterinclude_headers =                  \
        meta/meta-background-image.h            \
        meta/meta-background-group.h            \
        meta/meta-close-dialog.h                \
+       meta/meta-inhibit-shortcuts-dialog.h    \
        meta/meta-cursor-tracker.h              \
        meta/meta-dnd.h                 \
        meta/meta-idle-monitor.h                \
diff --git a/src/core/meta-inhibit-shortcuts-dialog.c b/src/core/meta-inhibit-shortcuts-dialog.c
new file mode 100644
index 0000000..d5b4e5a
--- /dev/null
+++ b/src/core/meta-inhibit-shortcuts-dialog.c
@@ -0,0 +1,103 @@
+/*
+ * 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 "core/window-private.h"
+#include "meta/meta-inhibit-shortcuts-dialog.h"
+#include "meta/meta-enum-types.h"
+
+enum
+{
+  RESPONSE,
+  LAST_SIGNAL
+};
+
+static guint inhibit_dialog_signals[LAST_SIGNAL] = { 0, };
+
+G_DEFINE_INTERFACE (MetaInhibitShortcutsDialog, meta_inhibit_shortcuts_dialog, G_TYPE_OBJECT)
+
+static void
+meta_inhibit_shortcuts_dialog_default_init (MetaInhibitShortcutsDialogInterface *iface)
+{
+  g_object_interface_install_property (iface,
+                                       g_param_spec_object ("window",
+                                                            "Window",
+                                                            "Window",
+                                                            META_TYPE_WINDOW,
+                                                            G_PARAM_READWRITE |
+                                                            G_PARAM_CONSTRUCT_ONLY |
+                                                            G_PARAM_STATIC_STRINGS));
+  inhibit_dialog_signals[RESPONSE] =
+    g_signal_new ("response",
+                  G_TYPE_FROM_INTERFACE (iface),
+                  G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+                  0,
+                  NULL, NULL, NULL,
+                  G_TYPE_NONE, 1, META_TYPE_INHIBIT_SHORTCUTS_DIALOG_RESPONSE);
+}
+
+/**
+ * meta_inhibit_shortcuts_dialog_show:
+ * @dialog: a #MetaInhibitShortcutsDialog
+ *
+ * Shows the inhibit shortcuts dialog.
+ **/
+void
+meta_inhibit_shortcuts_dialog_show (MetaInhibitShortcutsDialog *dialog)
+{
+  MetaInhibitShortcutsDialogInterface *iface;
+
+  g_return_if_fail (META_IS_INHIBIT_SHORTCUTS_DIALOG (dialog));
+
+  iface = META_INHIBIT_SHORTCUTS_DIALOG_GET_IFACE (dialog);
+  iface->show (dialog);
+}
+
+/**
+ * meta_inhibit_shortcuts_dialog_hide:
+ * @dialog: a #MetaInhibitShortcutsDialog
+ *
+ * Hides the inhibit shortcuts dialog.
+ **/
+void
+meta_inhibit_shortcuts_dialog_hide (MetaInhibitShortcutsDialog *dialog)
+{
+  MetaInhibitShortcutsDialogInterface *iface;
+
+  g_return_if_fail (META_IS_INHIBIT_SHORTCUTS_DIALOG (dialog));
+
+  iface = META_INHIBIT_SHORTCUTS_DIALOG_GET_IFACE (dialog);
+  iface->hide (dialog);
+}
+
+/**
+ * meta_inhibit_shortcuts_dialog_response:
+ * @dialog: a #MetaInhibitShortcutsDialog
+ * @response: a #MetaInhibitShortcutsDialogResponse
+ *
+ * Responds and closes the dialog. To be called by #MetaInhibitShortcutsDialog
+ * implementations.
+ **/
+void
+meta_inhibit_shortcuts_dialog_response (MetaInhibitShortcutsDialog         *dialog,
+                                        MetaInhibitShortcutsDialogResponse  response)
+{
+  g_signal_emit (dialog, inhibit_dialog_signals[RESPONSE], 0, response);
+  meta_inhibit_shortcuts_dialog_hide (dialog);
+}
diff --git a/src/meta/meta-inhibit-shortcuts-dialog.h b/src/meta/meta-inhibit-shortcuts-dialog.h
new file mode 100644
index 0000000..8ebeb39
--- /dev/null
+++ b/src/meta/meta-inhibit-shortcuts-dialog.h
@@ -0,0 +1,49 @@
+/*
+ * 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_H
+#define META_INHIBIT_SHORTCUTS_DIALOG_H
+
+#include <glib-object.h>
+#include <meta/window.h>
+
+#define META_TYPE_INHIBIT_SHORTCUTS_DIALOG (meta_inhibit_shortcuts_dialog_get_type ())
+G_DECLARE_INTERFACE (MetaInhibitShortcutsDialog, meta_inhibit_shortcuts_dialog,
+                    META, INHIBIT_SHORTCUTS_DIALOG, GObject)
+
+typedef enum
+{
+  META_INHIBIT_SHORTCUTS_DIALOG_RESPONSE_ALLOW,
+  META_INHIBIT_SHORTCUTS_DIALOG_RESPONSE_DENY,
+} MetaInhibitShortcutsDialogResponse;
+
+struct _MetaInhibitShortcutsDialogInterface
+{
+  GTypeInterface parent_iface;
+
+  void (* show) (MetaInhibitShortcutsDialog *dialog);
+  void (* hide) (MetaInhibitShortcutsDialog *dialog);
+};
+
+void meta_inhibit_shortcuts_dialog_show (MetaInhibitShortcutsDialog *dialog);
+void meta_inhibit_shortcuts_dialog_hide (MetaInhibitShortcutsDialog *dialog);
+
+void meta_inhibit_shortcuts_dialog_response (MetaInhibitShortcutsDialog        *dialog,
+                                             MetaInhibitShortcutsDialogResponse response);
+
+#endif /* META_INHIBIT_SHORTCUTS_DIALOG_H */