Port MatrixEventRoomHistoryVisibility to C
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262
src/matrix-event-room-history-visibility.c
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262
src/matrix-event-room-history-visibility.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-history-visibility.h"
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#include "utils.h"
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/**
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* SECTION:matrix-event-room-history-visibility
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* @short_description: event to control history visibility to room members
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*
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* This is the default event handler for `m.room.history_visibility` events.
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*
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* This event controls whether a user can see the events that happened in a room from before
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* they joined.
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*/
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enum {
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PROP_0,
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PROP_VISIBILITY,
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NUM_PROPERTIES
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};
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static GParamSpec *matrix_event_room_history_visibility_properties[NUM_PROPERTIES];
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typedef struct {
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MatrixHistoryVisibility _visibility;
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} MatrixEventRoomHistoryVisibilityPrivate;
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/**
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* MatrixEventRoomHistoryVisibility:
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*/
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G_DEFINE_TYPE_WITH_PRIVATE(MatrixEventRoomHistoryVisibility, matrix_event_room_history_visibility, MATRIX_EVENT_TYPE_STATE);
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static void
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matrix_event_room_history_visibility_real_from_json(MatrixEventBase *matrix_event_base, JsonNode *json_data, GError **error)
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{
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MatrixEventRoomHistoryVisibilityPrivate *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_history_visibility_get_instance_private(MATRIX_EVENT_ROOM_HISTORY_VISIBILITY(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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#ifdef 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.history_visibility 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, "history_visibility")) != NULL) {
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GError *inner_error = NULL;
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MatrixHistoryVisibility visibility = _matrix_g_enum_nick_to_value(MATRIX_TYPE_HISTORY_VISIBILITY, json_node_get_string(node), &inner_error);
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if (inner_error != NULL) {
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priv->_visibility = MATRIX_HISTORY_VISIBILITY_UNKNOWN;
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#ifdef DEBUG
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g_warning("Unknown history_visibility value %s", json_node_get_string(node));
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#endif
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} else {
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priv->_visibility = visibility;
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}
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}
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MATRIX_EVENT_BASE_CLASS(matrix_event_room_history_visibility_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_history_visibility_real_to_json(MatrixEventBase *matrix_event_base, JsonNode *json_data, GError **error)
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{
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MatrixEventRoomHistoryVisibilityPrivate *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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gchar *visibility_str;
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g_return_if_fail (json_data != NULL);
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priv = matrix_event_room_history_visibility_get_instance_private(MATRIX_EVENT_ROOM_HISTORY_VISIBILITY(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.history_visibility event with a non-empty state key");
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return;
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}
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if (priv->_visibility == MATRIX_HISTORY_VISIBILITY_UNKNOWN) {
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g_set_error(error, MATRIX_ERROR, MATRIX_ERROR_UNKNOWN_VALUE,
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"Won't send m.room.history_visibility event with unknown visibility value");
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return;
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}
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visibility_str = _matrix_g_enum_to_string(MATRIX_TYPE_HISTORY_VISIBILITY, priv->_visibility, '_');
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json_object_set_string_member(content_root, "history_visibility", visibility_str);
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g_free(visibility_str);
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MATRIX_EVENT_BASE_CLASS(matrix_event_room_history_visibility_parent_class)->to_json(matrix_event_base, json_data, error);
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}
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MatrixEventRoomHistoryVisibility *
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matrix_event_room_history_visibility_construct(GType object_type)
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{
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return (MatrixEventRoomHistoryVisibility *)matrix_event_state_construct(object_type);
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}
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/**
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* matrix_event_room_history_visibility_new:
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*
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* Create a new #MatrixEventRoomHistoryVisibility object.
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*
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* Returns: (transfer full): a new #MatrixEventRoomHistoryVisibility object
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*/
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MatrixEventRoomHistoryVisibility *
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matrix_event_room_history_visibility_new(void)
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{
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return matrix_event_room_history_visibility_construct(MATRIX_EVENT_TYPE_ROOM_HISTORY_VISIBILITY);
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}
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/**
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* matrix_event_room_history_visibility_get_visibility:
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* @event: a #MatrixEventRoomHistoryVisibility
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*
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* Get the history visibility status of the room.
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*
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* Returns: a #MatrixHistoryVisibility value
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*/
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MatrixHistoryVisibility
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matrix_event_room_history_visibility_get_visibility(MatrixEventRoomHistoryVisibility *matrix_event_room_history_visibility)
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{
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MatrixEventRoomHistoryVisibilityPrivate *priv;
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g_return_val_if_fail(matrix_event_room_history_visibility != NULL, 0);
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priv = matrix_event_room_history_visibility_get_instance_private(matrix_event_room_history_visibility);
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return priv->_visibility;
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}
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/**
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* matrix_event_room_history_visibility_set_visibility:
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* @event: a #MatrixEventRoomHistoryVisibility
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* @history_visibility: a #MatrixHistoryVisibility value
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*
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* Set the history visibility in @event.
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*/
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void
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matrix_event_room_history_visibility_set_visibility(MatrixEventRoomHistoryVisibility *matrix_event_room_history_visibility, MatrixHistoryVisibility visibility)
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{
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MatrixEventRoomHistoryVisibilityPrivate *priv;
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g_return_if_fail(matrix_event_room_history_visibility != NULL);
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priv = matrix_event_room_history_visibility_get_instance_private(matrix_event_room_history_visibility);
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if (priv->_visibility != visibility) {
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priv->_visibility = visibility;
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g_object_notify_by_pspec((GObject *)matrix_event_room_history_visibility, matrix_event_room_history_visibility_properties[PROP_VISIBILITY]);
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}
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}
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static void
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matrix_event_room_history_visibility_finalize(GObject *gobject) {
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G_OBJECT_CLASS(matrix_event_room_history_visibility_parent_class)->finalize(gobject);
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}
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static void
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matrix_event_room_history_visibility_get_property(GObject *gobject, guint property_id, GValue *value, GParamSpec *pspec)
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{
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MatrixEventRoomHistoryVisibility *matrix_event_room_history_visibility = MATRIX_EVENT_ROOM_HISTORY_VISIBILITY(gobject);
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switch (property_id) {
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case PROP_VISIBILITY:
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g_value_set_enum(value, matrix_event_room_history_visibility_get_visibility(matrix_event_room_history_visibility));
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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_history_visibility_set_property(GObject *gobject, guint property_id, const GValue *value, GParamSpec *pspec)
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{
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MatrixEventRoomHistoryVisibility *matrix_event_room_history_visibility = MATRIX_EVENT_ROOM_HISTORY_VISIBILITY(gobject);
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switch (property_id) {
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case PROP_VISIBILITY:
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matrix_event_room_history_visibility_set_visibility(matrix_event_room_history_visibility, g_value_get_enum(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_history_visibility_class_init(MatrixEventRoomHistoryVisibilityClass *klass)
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{
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((MatrixEventBaseClass *)klass)->from_json = matrix_event_room_history_visibility_real_from_json;
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((MatrixEventBaseClass *)klass)->to_json = matrix_event_room_history_visibility_real_to_json;
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G_OBJECT_CLASS(klass)->get_property = matrix_event_room_history_visibility_get_property;
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G_OBJECT_CLASS(klass)->set_property = matrix_event_room_history_visibility_set_property;
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G_OBJECT_CLASS(klass)->finalize = matrix_event_room_history_visibility_finalize;
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/**
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* MatrixEventRoomHistoryVisibiliy:visibility:
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*
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* Who can see the room history.
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*/
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matrix_event_room_history_visibility_properties[PROP_VISIBILITY] = g_param_spec_enum(
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"visibility", "visibility", "visibility",
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MATRIX_TYPE_HISTORY_VISIBILITY, MATRIX_HISTORY_VISIBILITY_UNKNOWN,
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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_VISIBILITY, matrix_event_room_history_visibility_properties[PROP_VISIBILITY]);
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}
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static void
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matrix_event_room_history_visibility_init(MatrixEventRoomHistoryVisibility *matrix_event_room_history_visibility)
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{
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MatrixEventRoomHistoryVisibilityPrivate *priv = matrix_event_room_history_visibility_get_instance_private(matrix_event_room_history_visibility);
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priv->_visibility = MATRIX_HISTORY_VISIBILITY_UNKNOWN;
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}
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