--- /dev/null
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 2018, Red Hat, Inc
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include "gtkcolorpickerportalprivate.h"
+#include <gio/gio.h>
+
+struct _GtkColorPickerPortal
+{
+ GObject parent_instance;
+
+ GDBusProxy *portal_proxy;
+ guint portal_signal_id;
+ GTask *task;
+};
+
+struct _GtkColorPickerPortalClass
+{
+ GObjectClass parent_class;
+};
+
+static GInitableIface *initable_parent_iface;
+static void gtk_color_picker_portal_initable_iface_init (GInitableIface *iface);
+static void gtk_color_picker_portal_iface_init (GtkColorPickerInterface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (GtkColorPickerPortal, gtk_color_picker_portal, G_TYPE_OBJECT,
+ G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE, gtk_color_picker_portal_initable_iface_init)
+ G_IMPLEMENT_INTERFACE (GTK_TYPE_COLOR_PICKER, gtk_color_picker_portal_iface_init))
+
+static gboolean
+gtk_color_picker_portal_initable_init (GInitable *initable,
+ GCancellable *cancellable,
+ GError **error)
+{
+ GtkColorPickerPortal *picker = GTK_COLOR_PICKER_PORTAL (initable);
+ char *owner;
+ GVariant *ret;
+ guint version;
+
+ picker->portal_proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
+ G_DBUS_PROXY_FLAGS_NONE,
+ NULL,
+ "org.freedesktop.portal.Desktop",
+ "/org/freedesktop/portal/desktop",
+ "org.freedesktop.portal.Screenshot",
+ NULL,
+ error);
+
+ if (picker->portal_proxy == NULL)
+ {
+ g_debug ("Failed to create screnshot portal proxy");
+ return FALSE;
+ }
+
+ owner = g_dbus_proxy_get_name_owner (picker->portal_proxy);
+ if (owner == NULL)
+ {
+ g_debug ("org.freedesktop.portal.Screenshot not provided");
+ g_clear_object (&picker->portal_proxy);
+ return FALSE;
+ }
+ g_free (owner);
+
+ ret = g_dbus_proxy_get_cached_property (picker->portal_proxy, "version");
+ g_variant_get (ret, "u", &version);
+ g_variant_unref (ret);
+ if (version != 2)
+ {
+ g_debug ("Screenshot portal version: %u", version);
+ g_clear_object (&picker->portal_proxy);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void
+gtk_color_picker_portal_initable_iface_init (GInitableIface *iface)
+{
+ initable_parent_iface = g_type_interface_peek_parent (iface);
+ iface->init = gtk_color_picker_portal_initable_init;
+}
+
+static void
+gtk_color_picker_portal_init (GtkColorPickerPortal *picker)
+{
+}
+
+static void
+gtk_color_picker_portal_finalize (GObject *object)
+{
+ GtkColorPickerPortal *picker = GTK_COLOR_PICKER_PORTAL (object);
+
+ g_clear_object (&picker->portal_proxy);
+
+ G_OBJECT_CLASS (gtk_color_picker_portal_parent_class)->finalize (object);
+}
+
+static void
+gtk_color_picker_portal_class_init (GtkColorPickerPortalClass *class)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (class);
+
+ object_class->finalize = gtk_color_picker_portal_finalize;
+}
+
+GtkColorPicker *
+gtk_color_picker_portal_new (void)
+{
+ return GTK_COLOR_PICKER (g_initable_new (GTK_TYPE_COLOR_PICKER_PORTAL, NULL, NULL, NULL));
+}
+
+static void
+portal_response_received (GDBusConnection *connection,
+ const char *sender_name,
+ const char *object_path,
+ const char *interface_name,
+ const char *signal_name,
+ GVariant *parameters,
+ gpointer user_data)
+{
+ GtkColorPickerPortal *picker = user_data;
+ guint32 response;
+ GVariant *ret;
+
+ g_dbus_connection_signal_unsubscribe (connection, picker->portal_signal_id);
+ picker->portal_signal_id = 0;
+
+ g_variant_get (parameters, "(u@a{sv})", &response, &ret);
+
+ if (response == 0)
+ {
+ GdkRGBA c;
+
+ c.alpha = 1.0;
+ if (g_variant_lookup (ret, "color", "(ddd)", &c.red, &c.green, &c.blue))
+ g_task_return_pointer (picker->task, gdk_rgba_copy (&c), (GDestroyNotify)gdk_rgba_free);
+ else
+ g_task_return_new_error (picker->task,
+ G_IO_ERROR,
+ G_IO_ERROR_FAILED,
+ "No color received");
+ }
+ else
+ g_task_return_new_error (picker->task,
+ G_IO_ERROR,
+ G_IO_ERROR_FAILED,
+ "PickColor error");
+
+ g_variant_unref (ret);
+
+ g_clear_object (&picker->task);
+}
+
+static void
+gtk_color_picker_portal_pick (GtkColorPicker *cp,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ GtkColorPickerPortal *picker = GTK_COLOR_PICKER_PORTAL (cp);
+ GVariantBuilder options;
+ char *token;
+ GDBusConnection *connection;
+ char *sender;
+ char *handle;
+ int i;
+
+ if (picker->task)
+ return;
+
+ picker->task = g_task_new (picker, NULL, callback, user_data);
+
+ connection = g_dbus_proxy_get_connection (picker->portal_proxy);
+
+ token = g_strdup_printf ("gtk%d", g_random_int_range (0, G_MAXINT));
+ sender = g_strdup (g_dbus_connection_get_unique_name (connection) + 1);
+ for (i = 0; sender[i]; i++)
+ if (sender[i] == '.')
+ sender[i] = '_';
+
+ handle = g_strdup_printf ("/org/freedesktop/portal/desktop/request/%s/%s", sender, token);
+ picker->portal_signal_id = g_dbus_connection_signal_subscribe (connection,
+ "org.freedesktop.portal.Desktop",
+ "org.freedesktop.portal.Request",
+ "Response",
+ handle,
+ NULL,
+ G_DBUS_SIGNAL_FLAGS_NO_MATCH_RULE,
+ portal_response_received,
+ picker,
+ NULL);
+
+ g_free (handle);
+ g_free (sender);
+
+ g_variant_builder_init (&options, G_VARIANT_TYPE_VARDICT);
+ g_variant_builder_add (&options, "{sv}", "handle_token", g_variant_new_string (token));
+ g_free (token);
+
+ g_dbus_proxy_call (picker->portal_proxy,
+ "PickColor",
+ g_variant_new ("(sa{sv})", "", &options),
+ 0,
+ -1,
+ NULL,
+ NULL,
+ NULL);
+}
+
+static GdkRGBA *
+gtk_color_picker_portal_pick_finish (GtkColorPicker *cp,
+ GAsyncResult *res,
+ GError **error)
+{
+ g_return_val_if_fail (g_task_is_valid (res, cp), NULL);
+
+ return g_task_propagate_pointer (G_TASK (res), error);
+}
+
+static void
+gtk_color_picker_portal_iface_init (GtkColorPickerInterface *iface)
+{
+ iface->pick = gtk_color_picker_portal_pick;
+ iface->pick_finish = gtk_color_picker_portal_pick_finish;
+}
--- /dev/null
+/*
+ * GTK - The GIMP Toolkit
+ * Copyright (C) 2018 Red Hat, Inc.
+ * All rights reserved.
+ *
+ * This Library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This Library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GTK_COLOR_PICKER_PORTAL_H__
+#define __GTK_COLOR_PICKER_PORTAL_H__
+
+
+#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
+#error "Only <gtk/gtk.h> can be included directly."
+#endif
+
+#include <gtk/gtkcolorpickerprivate.h>
+
+G_BEGIN_DECLS
+
+
+#define GTK_TYPE_COLOR_PICKER_PORTAL gtk_color_picker_portal_get_type ()
+G_DECLARE_FINAL_TYPE (GtkColorPickerPortal, gtk_color_picker_portal, GTK, COLOR_PICKER_PORTAL, GObject)
+
+GDK_AVAILABLE_IN_ALL
+GtkColorPicker * gtk_color_picker_portal_new (void);
+
+G_END_DECLS
+
+#endif /* __GTK_COLOR_PICKER_PORTAL_H__ */
projects / gtk+3.0.git / commitdiff