246 lines
8.7 KiB
C
246 lines
8.7 KiB
C
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/*
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* This file is part of matrix-glib-sdk
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*
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* matrix-glib-sdk is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, either
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* version 3 of the License, or (at your option) any later version.
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*
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* matrix-glib-sdk is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with matrix-glib-sdk. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#include "matrix-event-room-canonical-alias.h"
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#include "matrix-types.h"
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#include "config.h"
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/**
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* SECTION:matrix-event-room-canonical-alias
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* @short_description: event to set a room’s canonical alias
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*
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* This is the default handler for `m.room.canonical_alias` events.
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*
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* This event is used to inform the room about which alias should be considered the canonical
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* one. This could be for display purposes or as suggestion to users which alias to use to
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* advertise the room.
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*/
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enum {
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PROP_0,
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PROP_CANONICAL_ALIAS,
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NUM_PROPERTIES
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};
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static GParamSpec *matrix_event_room_canonical_alias_properties[NUM_PROPERTIES];
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typedef struct {
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gchar* _canonical_alias;
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} MatrixEventRoomCanonicalAliasPrivate;
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/**
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* MatrixEventRoomCanonicalAlias:
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*/
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G_DEFINE_TYPE_WITH_PRIVATE(MatrixEventRoomCanonicalAlias, matrix_event_room_canonical_alias, MATRIX_EVENT_TYPE_STATE);
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static void
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matrix_event_room_canonical_alias_real_from_json(MatrixEventBase *matrix_event_base, JsonNode *json_data, GError **error)
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{
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MatrixEventRoomCanonicalAliasPrivate *priv;
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JsonObject *root;
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JsonObject *content_root;
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JsonNode *content_node;
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JsonNode *node;
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g_return_if_fail (json_data != NULL);
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priv = matrix_event_room_canonical_alias_get_instance_private(MATRIX_EVENT_ROOM_CANONICAL_ALIAS(matrix_event_base));
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root = json_node_get_object(json_data);
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content_node = json_object_get_member(root, "content");
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content_root = json_node_get_object(content_node);
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#if DEBUG
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if ((node = json_object_get_member(root, "state_key")) != NULL) {
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const gchar *state_key = json_node_get_string(node);
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if ((state_key == NULL) || (*state_key == 0)) {
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g_warning("state_key of a m.room.canonical_alias event is non-empty");
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}
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}
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#endif
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if ((node = json_object_get_member(content_root, "alias")) != NULL) {
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g_free(priv->_canonical_alias);
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priv->_canonical_alias = g_strdup(json_node_get_string(node));
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}
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MATRIX_EVENT_BASE_CLASS(matrix_event_room_canonical_alias_parent_class)->from_json(matrix_event_base, json_data, error);
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}
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static void
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matrix_event_room_canonical_alias_real_to_json(MatrixEventBase *matrix_event_base, JsonNode *json_data, GError **error)
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{
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MatrixEventRoomCanonicalAliasPrivate *priv;
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JsonObject *root;
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JsonObject *content_root;
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JsonNode *content_node;
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const gchar *state_key;
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g_return_if_fail(json_data != NULL);
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priv = matrix_event_room_canonical_alias_get_instance_private(MATRIX_EVENT_ROOM_CANONICAL_ALIAS(matrix_event_base));
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root = json_node_get_object(json_data);
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content_node = json_object_get_member(root, "content");
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content_root = json_node_get_object(content_node);
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state_key = matrix_event_state_get_state_key(MATRIX_EVENT_STATE(matrix_event_base));
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if ((state_key == NULL) || (*state_key == 0)) {
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g_set_error(error, MATRIX_ERROR, MATRIX_ERROR_INCOMPLETE,
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"Won't generate a m.room.canonical_alias event with a non-empty state_key");
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return;
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}
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if (priv->_canonical_alias != NULL) {
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json_object_set_string_member(content_root, "alias", priv->_canonical_alias);
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}
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MATRIX_EVENT_BASE_CLASS(matrix_event_room_canonical_alias_parent_class)->to_json(matrix_event_base, json_data, error);
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}
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/**
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* matrix_event_room_canonical_alias_new:
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*
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* Create a new #MatrixEventRoomCanonicalAlias object
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*
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* Returns: (transfer full): a new #MatrixEventRoomCanonicalAlias
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*/
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MatrixEventRoomCanonicalAlias *
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matrix_event_room_canonical_alias_new(void)
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{
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return (MatrixEventRoomCanonicalAlias *)matrix_event_state_construct(MATRIX_EVENT_TYPE_ROOM_CANONICAL_ALIAS);
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}
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/**
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* matrix_event_room_canonical_alias_get_canonical_alias:
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* @event: a #MatrixEventRoomCanonicalAlias
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*
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* Get the canonical alias from @event.
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*
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* The returned value is owned by @event and should not be freed.
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*
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* Returns: (transfer none) (nullable): the canonical alias
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*/
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const gchar *
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matrix_event_room_canonical_alias_get_canonical_alias(MatrixEventRoomCanonicalAlias *matrix_event_room_canonical_alias)
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{
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MatrixEventRoomCanonicalAliasPrivate *priv;
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g_return_val_if_fail(matrix_event_room_canonical_alias != NULL, NULL);
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priv = matrix_event_room_canonical_alias_get_instance_private(matrix_event_room_canonical_alias);
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return priv->_canonical_alias;
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}
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/**
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* matrix_event_room_canonical_alias_set_canonical_alias:
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* @event: a #MatrixEventRoomCanonicalAlias
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* @canonical_alias: (transfer none) (nullable): a canonical alias
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*
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* Set the canonical alias in @event.
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*/
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void
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matrix_event_room_canonical_alias_set_canonical_alias(MatrixEventRoomCanonicalAlias *matrix_event_room_canonical_alias, const gchar *canonical_alias)
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{
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MatrixEventRoomCanonicalAliasPrivate *priv;
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g_return_if_fail(matrix_event_room_canonical_alias != NULL);
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priv = matrix_event_room_canonical_alias_get_instance_private(matrix_event_room_canonical_alias);
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if (g_strcmp0(canonical_alias, priv->_canonical_alias) != 0) {
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g_free(priv->_canonical_alias);
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priv->_canonical_alias = g_strdup(canonical_alias);
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g_object_notify_by_pspec((GObject *)matrix_event_room_canonical_alias, matrix_event_room_canonical_alias_properties[PROP_CANONICAL_ALIAS]);
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}
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}
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static void
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matrix_event_room_canonical_alias_finalize(GObject *gobject)
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{
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MatrixEventRoomCanonicalAliasPrivate *priv = matrix_event_room_canonical_alias_get_instance_private(MATRIX_EVENT_ROOM_CANONICAL_ALIAS(gobject));
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g_free(priv->_canonical_alias);
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G_OBJECT_CLASS(matrix_event_room_canonical_alias_parent_class)->finalize(gobject);
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}
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static void
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matrix_event_room_canonical_alias_get_property(GObject *gobject, guint property_id, GValue *value, GParamSpec *pspec)
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{
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MatrixEventRoomCanonicalAlias *matrix_event_room_canonical_alias = MATRIX_EVENT_ROOM_CANONICAL_ALIAS(gobject);
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switch (property_id) {
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case PROP_CANONICAL_ALIAS:
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g_value_set_string(value, matrix_event_room_canonical_alias_get_canonical_alias(matrix_event_room_canonical_alias));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, property_id, pspec);
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break;
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}
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}
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static void
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matrix_event_room_canonical_alias_set_property(GObject *gobject, guint property_id, const GValue *value, GParamSpec *pspec)
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{
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MatrixEventRoomCanonicalAlias *matrix_event_room_canonical_alias = MATRIX_EVENT_ROOM_CANONICAL_ALIAS(gobject);
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switch (property_id) {
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case PROP_CANONICAL_ALIAS:
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matrix_event_room_canonical_alias_set_canonical_alias(matrix_event_room_canonical_alias, g_value_get_string(value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID(gobject, property_id, pspec);
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break;
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}
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}
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static void
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matrix_event_room_canonical_alias_class_init(MatrixEventRoomCanonicalAliasClass *klass)
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{
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((MatrixEventBaseClass *)klass)->from_json = matrix_event_room_canonical_alias_real_from_json;
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((MatrixEventBaseClass *)klass)->to_json = matrix_event_room_canonical_alias_real_to_json;
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G_OBJECT_CLASS(klass)->get_property = matrix_event_room_canonical_alias_get_property;
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G_OBJECT_CLASS(klass)->set_property = matrix_event_room_canonical_alias_set_property;
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G_OBJECT_CLASS(klass)->finalize = matrix_event_room_canonical_alias_finalize;
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/**
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* MatrixEventRoomCanonicalAlias:canonical-alias:
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*
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* The canonical alias.
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*/
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matrix_event_room_canonical_alias_properties[PROP_CANONICAL_ALIAS] = g_param_spec_string(
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"canonical-alias", "canonical-alias", "canonical-alias",
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NULL,
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G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE);
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g_object_class_install_property(G_OBJECT_CLASS(klass), PROP_CANONICAL_ALIAS, matrix_event_room_canonical_alias_properties[PROP_CANONICAL_ALIAS]);
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}
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static void
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matrix_event_room_canonical_alias_init(MatrixEventRoomCanonicalAlias *matrix_event_room_canonical_alias)
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{
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MatrixEventRoomCanonicalAliasPrivate *priv = matrix_event_room_canonical_alias_get_instance_private(matrix_event_room_canonical_alias);
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priv->_canonical_alias = NULL;
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}
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