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Add API to GLFW for user notifications using DBus

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Kovid Goyal
2019-02-02 13:48:26 +05:30
parent 4c49573465
commit 670de085a3
9 changed files with 163 additions and 21 deletions
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66
glfw/linux_notify.c vendored Normal file
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/*
* linux_notify.c
* Copyright (C) 2019 Kovid Goyal <kovid at kovidgoyal.net>
*
* Distributed under terms of the GPL3 license.
*/
#include "internal.h"
#include "linux_notify.h"
#include <stdlib.h>
#define NOTIFICATIONS_SERVICE "org.freedesktop.Notifications"
#define NOTIFICATIONS_PATH "/org/freedesktop/Notifications"
#define NOTIFICATIONS_IFACE "org.freedesktop.Notifications"
static notification_id_type notification_id = 0;
typedef struct {
notification_id_type next_id;
GLFWDBusnotificationcreatedfun callback;
void *data;
} NotificationCreatedData;
void
notification_created(DBusMessage *msg, const char* errmsg, void *data) {
if (errmsg) {
_glfwInputError(GLFW_PLATFORM_ERROR, "Notify: Failed to create notification error: %s", errmsg);
return;
}
uint32_t notification_id;
if (!glfw_dbus_get_args(msg, "Failed to get Notification uid", DBUS_TYPE_UINT32, &notification_id, DBUS_TYPE_INVALID)) return;
NotificationCreatedData *ncd = (NotificationCreatedData*)data;
if (ncd->callback) ncd->callback(ncd->next_id, notification_id, ncd->data);
}
notification_id_type
glfw_dbus_send_user_notification(const char *app_name, const char* icon, const char *summary, const char *body, int32_t timeout, GLFWDBusnotificationcreatedfun callback, void *user_data) {
DBusConnection *session_bus = glfw_dbus_session_bus();
if (!session_bus) return 0;
NotificationCreatedData *data = malloc(sizeof(NotificationCreatedData));
data->next_id = ++notification_id;
data->callback = callback; data->data = user_data;
if (!data->next_id) data->next_id = ++notification_id;
uint32_t replaces_id = 0;
DBusMessage *msg = dbus_message_new_method_call(NOTIFICATIONS_SERVICE, NOTIFICATIONS_PATH, NOTIFICATIONS_IFACE, "Notify");
if (!msg) return 0;
DBusMessageIter args, array;
dbus_message_iter_init_append(msg, &args);
#define OOMMSG { dbus_message_unref(msg); _glfwInputError(GLFW_PLATFORM_ERROR, "%s", "Out of memory allocating DBUS message for notification\n"); return 0; }
#define APPEND(type, val) { if (!dbus_message_iter_append_basic(&args, type, val)) OOMMSG }
APPEND(DBUS_TYPE_STRING, &app_name)
APPEND(DBUS_TYPE_UINT32, &replaces_id)
APPEND(DBUS_TYPE_STRING, &icon)
APPEND(DBUS_TYPE_STRING, &summary)
APPEND(DBUS_TYPE_STRING, &body)
if (!dbus_message_iter_open_container(&args, DBUS_TYPE_ARRAY, "s", &array)) OOMMSG;
if (!dbus_message_iter_close_container(&args, &array)) OOMMSG;
if (!dbus_message_iter_open_container(&args, DBUS_TYPE_ARRAY, "{sv}", &array)) OOMMSG;
if (!dbus_message_iter_close_container(&args, &array)) OOMMSG;
APPEND(DBUS_TYPE_INT32, &timeout)
#undef OOMMSG
#undef APPEND
if (!call_method_with_msg(session_bus, msg, 5000, notification_created, data)) return 0;
return data->next_id;
}