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matrix-glib-sdk/src/matrix-event-room-avatar.c

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Port MatrixEventRoomAvatar to C
2017-11-19 09:03:12 +00:00
/*
* This file is part of matrix-glib-sdk
*
* matrix-glib-sdk 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 3 of the License, or (at your option) any later version.
*
* matrix-glib-sdk 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 matrix-glib-sdk. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include "matrix-event-room-avatar.h"
#include "config.h"
/**
* SECTION:matrix-event-room-avatar
* @short_description: event holding the room avatar
*
* This is the default handler for `m.room.avatar` events.
*
* A picture that is associated with the room. This can be displayed alongside the room
* information.
*/
enum {
PROP_0,
PROP_URL,
PROP_THUMBNAIL_URL,
PROP_INFO,
PROP_THUMBNAIL_INFO,
NUM_PROPERTIES
};
static GParamSpec *matrix_event_room_avatar_properties[NUM_PROPERTIES];
typedef struct {
gchar* _url;
gchar* _thumbnail_url;
MatrixImageInfo* _info;
MatrixImageInfo* _thumbnail_info;
} MatrixEventRoomAvatarPrivate;
/**
* MatrixEventRoomAvatar:
*/
G_DEFINE_TYPE_WITH_PRIVATE(MatrixEventRoomAvatar, matrix_event_room_avatar, MATRIX_EVENT_TYPE_STATE);
static void
matrix_event_room_avatar_real_from_json(MatrixEventBase *matrix_event_base, JsonNode *json_data, GError **error)
{
MatrixEventRoomAvatarPrivate *priv;
JsonObject *root;
JsonObject *content_root;
JsonNode *content_node;
JsonNode *node;
g_return_if_fail(json_data != NULL);
priv = matrix_event_room_avatar_get_instance_private(MATRIX_EVENT_ROOM_AVATAR(matrix_event_base));
root = json_node_get_object(json_data);
content_node = json_object_get_member(root, "content");
content_root = json_node_get_object(content_node);
if (DEBUG) {
if ((node = json_object_get_member(root, "state_key")) != NULL) {
const char *sk = json_node_get_string(node);
if ((sk != NULL) && (*sk != 0)) {
g_warning("state_key of a m.room.avatar event is non-empty");
}
}
}
if ((node = json_object_get_member(content_root, "url")) != NULL) {
g_free(priv->_url);
priv->_url = g_strdup(json_node_get_string(node));
} else {
g_warning("content.url is missing from a m.room.avatar event");
}
if ((node = json_object_get_member(content_root, "thumbnail_url")) != NULL) {
g_free(priv->_thumbnail_url);
priv->_thumbnail_url = g_strdup(json_node_get_string(node));
}
if ((node = json_object_get_member(content_root, "info")) != NULL) {
matrix_image_info_unref(priv->_info);
priv->_info = matrix_image_info_new();
matrix_image_info_set_from_json(priv->_info, node);
}
if ((node = json_object_get_member(content_root, "thumbnail_info")) != NULL) {
matrix_image_info_unref(priv->_thumbnail_info);
priv->_thumbnail_info = matrix_image_info_new();
matrix_image_info_set_from_json(priv->_thumbnail_info, node);
}
MATRIX_EVENT_BASE_CLASS(matrix_event_room_avatar_parent_class)->from_json(matrix_event_base, json_data, error);
}
static void
matrix_event_room_avatar_real_to_json(MatrixEventBase *matrix_event_base, JsonNode *json_data, GError **error)
{
MatrixEventRoomAvatarPrivate *priv;
JsonObject *root;
JsonObject *content_root;
JsonNode *content_node;
JsonNode *node;
const gchar *state_key;
GError *inner_error = NULL;
g_return_if_fail (json_data != NULL);
priv = matrix_event_room_avatar_get_instance_private(MATRIX_EVENT_ROOM_AVATAR(matrix_event_base));
if (priv->_url == NULL) {
g_set_error(error, MATRIX_ERROR, MATRIX_ERROR_INCOMPLETE,
"Won't generate a m.room.avatar event without url");
return;
}
root = json_node_get_object(json_data);
content_node = json_object_get_member(root, "content");
content_root = json_node_get_object(content_node);
state_key = matrix_event_state_get_state_key(MATRIX_EVENT_STATE(matrix_event_base));
if ((state_key == NULL) || (*state_key == 0)) {
g_set_error(error, MATRIX_ERROR, MATRIX_ERROR_INCOMPLETE,
"Won't generate a m.room.avatar event with a non-empty state_key");
return;
}
json_object_set_string_member(content_root, "url", priv->_url);
if (priv->_thumbnail_url != NULL) {
json_object_set_string_member(content_root, "thumbnail_url", priv->_thumbnail_url);
}
if (priv->_info != NULL) {
node = matrix_image_info_get_json_node(priv->_info, &inner_error);
if (inner_error != NULL) {
g_propagate_error(error, inner_error);
return;
}
json_object_set_member(content_root, "info", node);
}
if (priv->_thumbnail_info != NULL) {
node = matrix_image_info_get_json_node(priv->_thumbnail_info, &inner_error);
if (inner_error != NULL) {
g_propagate_error(error, inner_error);
return;
}
json_object_set_member(content_root, "thumbnail_info", node);
}
MATRIX_EVENT_BASE_CLASS(matrix_event_room_avatar_parent_class)->to_json(matrix_event_base, json_data, error);
}
/**
* matrix_event_room_avatar_new:
*
* Create a new #MatrixEventRoomAvatar object.
*
* Returns: (transfer full): a new #MatrixEventRoomAvatar object
*/
MatrixEventRoomAvatar *
matrix_event_room_avatar_new(void)
{
return (MatrixEventRoomAvatar *)matrix_event_state_construct(MATRIX_EVENT_TYPE_ROOM_AVATAR);
}
/**
* matrix_event_room_avatar_get_url:
* @event: a #MatrixEventRoomAvatar
*
* Get the URL of the room avatar from @event.
*
* The returned value is owned by @event and should no be freed.
*
* Returns: (transfer none) (nullable): an avatar URL
*/
const gchar *
matrix_event_room_avatar_get_url(MatrixEventRoomAvatar *matrix_event_room_avatar)
{
MatrixEventRoomAvatarPrivate *priv;
g_return_val_if_fail(matrix_event_room_avatar != NULL, NULL);
priv = matrix_event_room_avatar_get_instance_private(matrix_event_room_avatar);
return priv->_url;
}
/**
* matrix_event_room_avatar_set_url:
* @event: a #MatrixEventRoomAvatar
* @url: (transfer none) (nullable): an URL to set as the room avatar
*
* Set the room avatar URL.
*/
void
matrix_event_room_avatar_set_url(MatrixEventRoomAvatar *matrix_event_room_avatar, const gchar *url)
{
MatrixEventRoomAvatarPrivate *priv;
g_return_if_fail(matrix_event_room_avatar != NULL);
priv = matrix_event_room_avatar_get_instance_private(matrix_event_room_avatar);
if (g_strcmp0(url, priv->_url) != 0) {
g_free(priv->_url);
priv->_url = g_strdup(url);
g_object_notify_by_pspec((GObject *)matrix_event_room_avatar, matrix_event_room_avatar_properties[PROP_URL]);
}
}
/**
* matrix_event_room_avatar_get_thumbnail_url:
* @event: a #MatrixEventRoomAvatar
*
* Get the URL of the avatar’s thumbnail.
*
* The returned value is owned by @event and should not be freed.
*
* Returns: (transfer none) (nullable): the URL of the avatar thumbnail
*/
const gchar *
matrix_event_room_avatar_get_thumbnail_url(MatrixEventRoomAvatar *matrix_event_room_avatar)
{
MatrixEventRoomAvatarPrivate *priv;
g_return_val_if_fail(matrix_event_room_avatar != NULL, NULL);
priv = matrix_event_room_avatar_get_instance_private(matrix_event_room_avatar);
return priv->_thumbnail_url;
}
/**
* matrix_event_room_avatar_set_thumbnail_url:
* @event: a #MatrixEventRoomAvatar
* @thumbnail_url: (transfer none) (nullable): the URL of the room avatar’s thumbnail
*
* Set the URL of the room avatar’s thumbnail.
*/
void
matrix_event_room_avatar_set_thumbnail_url(MatrixEventRoomAvatar *matrix_event_room_avatar, const gchar *thumbnail_url)
{
MatrixEventRoomAvatarPrivate *priv;
g_return_if_fail(matrix_event_room_avatar != NULL);
priv = matrix_event_room_avatar_get_instance_private(matrix_event_room_avatar);
if (g_strcmp0(thumbnail_url, priv->_thumbnail_url) != 0) {
g_free(priv->_thumbnail_url);
priv->_thumbnail_url = g_strdup(thumbnail_url);
g_object_notify_by_pspec((GObject *)matrix_event_room_avatar, matrix_event_room_avatar_properties[PROP_THUMBNAIL_URL]);
}
}
/**
* matrix_event_room_avatar_get_info:
* @event: a #MatrixEventRoomAvatar
*
* Get the image info for the room avatar.
*
* The returned value is owned by @event and should not be freed.
*
* Returns: (transfer none) (nullable): the image info for the room avatar image.
*/
MatrixImageInfo *
matrix_event_room_avatar_get_info(MatrixEventRoomAvatar *matrix_event_room_avatar)
{
MatrixEventRoomAvatarPrivate *priv;
g_return_val_if_fail(matrix_event_room_avatar != NULL, NULL);
priv = matrix_event_room_avatar_get_instance_private(matrix_event_room_avatar);
return priv->_info;
}
/**
* matrix_event_room_avatar_set_info:
* @event: a #MatrixEventRoomAvatar
* @info: a #MatrixImageInfo
*
* Set the image information for the avatar image.
*/
void
matrix_event_room_avatar_set_info(MatrixEventRoomAvatar *matrix_event_room_avatar, MatrixImageInfo *info)
{
MatrixEventRoomAvatarPrivate *priv;
g_return_if_fail(matrix_event_room_avatar != NULL);
priv = matrix_event_room_avatar_get_instance_private(matrix_event_room_avatar);
if (priv->_info != info) {
matrix_image_info_unref(priv->_info);
priv->_info = matrix_image_info_ref(info);
g_object_notify_by_pspec((GObject *)matrix_event_room_avatar, matrix_event_room_avatar_properties[PROP_INFO]);
}
}
/**
* matrix_event_room_avatar_get_thumbnail_info:
* @event: a #MatrixEventRoomAvatar
*
* Get the image info for the room avatar’s thumbnail.
*
* The returned value is owned by @event and should not be freed.
*
* Returns: (transfer none) (nullable): the image info for the avatar’s thumbnail
*/
MatrixImageInfo *
matrix_event_room_avatar_get_thumbnail_info(MatrixEventRoomAvatar *matrix_event_room_avatar)
{
MatrixEventRoomAvatarPrivate *priv;
g_return_val_if_fail(matrix_event_room_avatar != NULL, NULL);
priv = matrix_event_room_avatar_get_instance_private(matrix_event_room_avatar);
return priv->_thumbnail_info;
}
/**
* matrix_event_room_avatar_set_thumbnail_info:
* @event: a #MatrixEventRoomAvatar
* @thumbnail_info: (transfer none) (nullable): a #MatrixImageInfo
*
* Set the image info for the room avatar’s thumbnail.
*/
void
matrix_event_room_avatar_set_thumbnail_info(MatrixEventRoomAvatar *matrix_event_room_avatar, MatrixImageInfo *thumbnail_info)
{
MatrixEventRoomAvatarPrivate *priv;
g_return_if_fail(matrix_event_room_avatar != NULL);
priv = matrix_event_room_avatar_get_instance_private(matrix_event_room_avatar);
if (priv->_thumbnail_info != thumbnail_info) {
matrix_image_info_unref(priv->_thumbnail_info);
priv->_thumbnail_info = matrix_image_info_ref(thumbnail_info);
g_object_notify_by_pspec((GObject *)matrix_event_room_avatar, matrix_event_room_avatar_properties[PROP_THUMBNAIL_INFO]);
}
}
static void
matrix_event_room_avatar_finalize(GObject *gobject)
{
MatrixEventRoomAvatarPrivate *priv = matrix_event_room_avatar_get_instance_private(MATRIX_EVENT_ROOM_AVATAR(gobject));
g_free(priv->_url);
g_free(priv->_thumbnail_url);
matrix_image_info_unref(priv->_info);
matrix_image_info_unref(priv->_thumbnail_info);
G_OBJECT_CLASS(matrix_event_room_avatar_parent_class)->finalize(gobject);
}
static void
matrix_event_room_avatar_get_property(GObject *gobject, guint property_id, GValue *value, GParamSpec *pspec)
{
MatrixEventRoomAvatar *matrix_event_room_avatar = MATRIX_EVENT_ROOM_AVATAR(gobject);
switch (property_id) {
case PROP_URL:
g_value_set_string(value, matrix_event_room_avatar_get_url(matrix_event_room_avatar));
break;
case PROP_THUMBNAIL_URL:
g_value_set_string(value, matrix_event_room_avatar_get_thumbnail_url(matrix_event_room_avatar));
break;
case PROP_INFO:
g_value_set_boxed(value, matrix_event_room_avatar_get_info(matrix_event_room_avatar));
break;
case PROP_THUMBNAIL_INFO:
g_value_set_boxed(value, matrix_event_room_avatar_get_thumbnail_info(matrix_event_room_avatar));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, property_id, pspec);
break;
}
}
static void
matrix_event_room_avatar_set_property(GObject *gobject, guint property_id, const GValue *value, GParamSpec *pspec)
{
MatrixEventRoomAvatar *matrix_event_room_avatar = MATRIX_EVENT_ROOM_AVATAR(gobject);
switch (property_id) {
case PROP_URL:
matrix_event_room_avatar_set_url(matrix_event_room_avatar, g_value_get_string(value));
break;
case PROP_THUMBNAIL_URL:
matrix_event_room_avatar_set_thumbnail_url(matrix_event_room_avatar, g_value_get_string(value));
break;
case PROP_INFO:
matrix_event_room_avatar_set_info(matrix_event_room_avatar, g_value_get_boxed(value));
break;
case PROP_THUMBNAIL_INFO:
matrix_event_room_avatar_set_thumbnail_info(matrix_event_room_avatar, g_value_get_boxed(value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, property_id, pspec);
break;
}
}
static void
matrix_event_room_avatar_class_init(MatrixEventRoomAvatarClass *klass)
{
((MatrixEventBaseClass *)klass)->from_json = matrix_event_room_avatar_real_from_json;
((MatrixEventBaseClass *)klass)->to_json = matrix_event_room_avatar_real_to_json;
G_OBJECT_CLASS(klass)->get_property = matrix_event_room_avatar_get_property;
G_OBJECT_CLASS(klass)->set_property = matrix_event_room_avatar_set_property;
G_OBJECT_CLASS(klass)->finalize = matrix_event_room_avatar_finalize;
/**
* MatrixEventRoomAvatar:url:
*
* The URL to the image.
*/
matrix_event_room_avatar_properties[PROP_URL] = g_param_spec_string(
"url", "url", "url",
NULL,
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE);
g_object_class_install_property(G_OBJECT_CLASS(klass), PROP_URL, matrix_event_room_avatar_properties[PROP_URL]);
/**
* MatrixEventRoomAvatar:thumbnail-url:
*
* The URL to the thumbnail of the image.
*/
matrix_event_room_avatar_properties[PROP_THUMBNAIL_URL] = g_param_spec_string(
"thumbnail-url", "thumbnail-url", "thumbnail-url",
NULL,
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE);
g_object_class_install_property(G_OBJECT_CLASS(klass), PROP_THUMBNAIL_URL, matrix_event_room_avatar_properties[PROP_THUMBNAIL_URL]);
/**
* MatrixEventRoomAvatar:info:
*
* The image info for the room avatar.
*/
matrix_event_room_avatar_properties[PROP_INFO] = g_param_spec_boxed(
"info", "info", "info",
MATRIX_TYPE_IMAGE_INFO,
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE);
g_object_class_install_property(G_OBJECT_CLASS(klass), PROP_INFO, matrix_event_room_avatar_properties[PROP_INFO]);
/**
* MatrixEventRoomAvatar:thumbnail-info:
*
* The image info for the room avatar’s thumbnail.
*/
matrix_event_room_avatar_properties[PROP_INFO] = g_param_spec_boxed(
"thumbnail-info", "thumbnail-info", "thumbnail-info",
MATRIX_TYPE_IMAGE_INFO,
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE);
g_object_class_install_property(G_OBJECT_CLASS(klass), PROP_INFO, matrix_event_room_avatar_properties[PROP_INFO]);
}
static void
matrix_event_room_avatar_init(MatrixEventRoomAvatar *matrix_event_room_avatar)
{
MatrixEventRoomAvatarPrivate *priv = matrix_event_room_avatar_get_instance_private(matrix_event_room_avatar);
priv->_url = NULL;
priv->_thumbnail_url = NULL;
priv->_info = NULL;
priv->_thumbnail_info = NULL;
}