365 lines
12 KiB
C
365 lines
12 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-message.h"
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#include "matrix-types.h"
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/**
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* SECTION:matrix-event-room-message
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* @short_description: event to hold messages in a room
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*
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* This is the default event handler for `m.room.message` events.
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*
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* This event is used when sending messages in a room. Messages are not limited to be text.
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* The `msgtype` key outlines the type of message, e.g. text, audio, image, video, etc. The
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* `body` key is text and MUST be used with every kind of `msgtype` as a fallback mechanism for
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* when a client cannot render a message. This allows clients to display *something* even if
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* it is just plain text.
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*/
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enum {
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PROP_0,
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PROP_BODY,
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PROP_MESSAGE,
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PROP_FALLBACK_CONTENT,
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NUM_PROPERTIES
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};
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static GParamSpec* matrix_event_room_message_properties[NUM_PROPERTIES];
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typedef struct {
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MatrixMessageBase* _message;
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gchar *body;
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JsonNode* _fallback_content;
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} MatrixEventRoomMessagePrivate;
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/**
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* MatrixEventRoomMessage:
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*/
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G_DEFINE_TYPE_WITH_PRIVATE(MatrixEventRoomMessage, matrix_event_room_message, MATRIX_EVENT_TYPE_ROOM);
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static void
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matrix_event_room_message_real_from_json(MatrixEventBase *matrix_event_base, JsonNode *json_data, GError **error)
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{
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MatrixEventRoomMessagePrivate *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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MatrixMessageBase *message;
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GError *inner_error = NULL;
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g_return_if_fail(json_data != NULL);
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priv = matrix_event_room_message_get_instance_private(MATRIX_EVENT_ROOM_MESSAGE(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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json_node_unref(priv->_fallback_content);
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priv->_fallback_content = NULL;
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content_root = json_node_get_object(content_node);
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node = json_object_get_member(content_root, "body");
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g_free(priv->body);
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priv->body = g_strdup(json_node_get_string(node));
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/*
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* We don't want to fail on unknown message types, so let's save the JSON content
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* instead. Silent (ie. without exception) null is only returned if there is no handler class
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* installed
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*/
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message = matrix_message_base_new_from_json(content_node, &inner_error);
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if (inner_error != NULL) {
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g_propagate_error(error, inner_error);
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}
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priv->_message = message;
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if (message == NULL) {
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priv->_fallback_content = json_node_ref(content_node);
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}
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MATRIX_EVENT_BASE_CLASS(matrix_event_room_message_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_message_real_to_json(MatrixEventBase *matrix_event_base, JsonNode *json_data, GError **error)
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{
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MatrixEventRoomMessagePrivate *priv;
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JsonObject *root;
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JsonNode *node;
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GError *inner_error = NULL;
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g_return_if_fail(json_data != NULL);
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priv = matrix_event_room_message_get_instance_private(MATRIX_EVENT_ROOM_MESSAGE(matrix_event_base));
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if (priv->_message == NULL) {
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g_set_error(error, MATRIX_ERROR, MATRIX_ERROR_INCOMPLETE,
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"Won't generate a m.room.message event without content");
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return;
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}
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root = json_node_get_object(json_data);
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node = matrix_message_base_get_json(priv->_message, &inner_error);
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if (inner_error != NULL) {
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g_propagate_error(error, inner_error);
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return;
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}
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json_object_set_member(root, "content", node);
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MATRIX_EVENT_BASE_CLASS(matrix_event_room_message_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_message_new:
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*
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* Create a new #MatrixEventRoomMessage object.
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*
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* Returns: (transfer full): a new #MatrixEventRoomMessage object
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*/
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MatrixEventRoomMessage *
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matrix_event_room_message_new(void) {
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return (MatrixEventRoomMessage *)matrix_event_room_construct(MATRIX_EVENT_TYPE_ROOM_MESSAGE);
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}
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/**
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* matrix_event_room_message_get_message:
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* @event: a #MatrixEventRoomMessage
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*
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* Get the message object from @event, if it could be resoled to a known message type.
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* Resolution is done by matrix_message_get_handler().
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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): a #MatrixMessageBase derived object
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*/
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MatrixMessageBase *
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matrix_event_room_message_get_message(MatrixEventRoomMessage *matrix_event_room_message)
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{
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MatrixEventRoomMessagePrivate *priv;
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g_return_val_if_fail(matrix_event_room_message != NULL, NULL);
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priv = matrix_event_room_message_get_instance_private(matrix_event_room_message);
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return priv->_message;
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}
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/**
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* matrix_event_room_message_set_message:
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* @event: a #MatrixEventRoomMessage
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* @message: (transfer none): a #MatrixMessageBase derived object
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*
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* Set the message of @event.
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*
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* @event gets a reference on @message, so it is safe to unref it after calling this function.
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*/
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void
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matrix_event_room_message_set_message(MatrixEventRoomMessage *matrix_event_room_message, MatrixMessageBase *message)
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{
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MatrixEventRoomMessagePrivate *priv;
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g_return_if_fail(matrix_event_room_message != NULL);
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priv = matrix_event_room_message_get_instance_private(matrix_event_room_message);
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if (message != priv->_message) {
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g_object_unref(priv->_message);
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priv->_message = g_object_ref(message);
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g_object_notify_by_pspec((GObject *)matrix_event_room_message, matrix_event_room_message_properties[PROP_MESSAGE]);
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}
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}
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/**
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* matrix_event_room_message_get_fallback_content:
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* @event: a #MatrixEventRoomMessage
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*
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* Get the fallback content from @event.
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*/
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JsonNode *
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matrix_event_room_message_get_fallback_content(MatrixEventRoomMessage *matrix_event_room_message)
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{
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MatrixEventRoomMessagePrivate *priv;
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g_return_val_if_fail(matrix_event_room_message != NULL, NULL);
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priv = matrix_event_room_message_get_instance_private(matrix_event_room_message);
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return priv->_fallback_content;
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}
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/**
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* matrix_event_room_message_get_body:
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* @event: a #MatrixEventRoomMessage
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*
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* Get the body (ie. fallback textual content) of @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 message body
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*/
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const gchar *
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matrix_event_room_message_get_body(MatrixEventRoomMessage *event)
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{
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MatrixEventRoomMessagePrivate *priv = matrix_event_room_message_get_instance_private(event);
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g_return_val_if_fail(event != NULL, NULL);
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return priv->body;
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}
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/**
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* matrix_event_room_message_set_body:
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* @event: a #MatrixEventRoomMessage
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* @body: (transfer none) (nullable): the textual body of the message
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*
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* Set the textual content of @event.
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*/
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void
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matrix_event_room_message_set_body(MatrixEventRoomMessage *event, const gchar *body)
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{
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MatrixEventRoomMessagePrivate *priv = matrix_event_room_message_get_instance_private(event);
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g_return_if_fail(event != NULL);
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if (g_strcmp0(body, priv->body) != 0) {
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g_free(priv->body);
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priv->body = g_strdup(body);
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g_object_notify_by_pspec(G_OBJECT(event), matrix_event_room_message_properties[PROP_BODY]);
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}
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}
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static void
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matrix_event_room_message_finalize(GObject *gobject)
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{
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MatrixEventRoomMessagePrivate *priv = matrix_event_room_message_get_instance_private(MATRIX_EVENT_ROOM_MESSAGE(gobject));
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g_object_unref(priv->_message);
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json_node_unref(priv->_fallback_content);
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G_OBJECT_CLASS(matrix_event_room_message_parent_class)->finalize(gobject);
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}
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static void
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matrix_event_room_message_get_property(GObject *gobject, guint property_id, GValue *value, GParamSpec *pspec)
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{
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MatrixEventRoomMessage *matrix_event_room_message = MATRIX_EVENT_ROOM_MESSAGE(gobject);
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switch (property_id) {
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case PROP_MESSAGE:
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g_value_set_object(value, matrix_event_room_message_get_message(matrix_event_room_message));
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break;
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case PROP_FALLBACK_CONTENT:
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g_value_set_boxed(value, matrix_event_room_message_get_fallback_content(matrix_event_room_message));
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break;
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case PROP_BODY:
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g_value_set_string(value, matrix_event_room_message_get_body(matrix_event_room_message));
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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_message_set_property(GObject *gobject, guint property_id, const GValue *value, GParamSpec *pspec)
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{
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MatrixEventRoomMessage *matrix_event_room_message = MATRIX_EVENT_ROOM_MESSAGE(gobject);
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switch (property_id) {
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case PROP_MESSAGE:
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matrix_event_room_message_set_message(matrix_event_room_message, g_value_get_object (value));
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break;
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case PROP_BODY:
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matrix_event_room_message_set_body(matrix_event_room_message, 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_message_class_init(MatrixEventRoomMessageClass *klass)
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{
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((MatrixEventBaseClass *)klass)->from_json = matrix_event_room_message_real_from_json;
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((MatrixEventBaseClass *)klass)->to_json = matrix_event_room_message_real_to_json;
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G_OBJECT_CLASS(klass)->get_property = matrix_event_room_message_get_property;
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G_OBJECT_CLASS(klass)->set_property = matrix_event_room_message_set_property;
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G_OBJECT_CLASS(klass)->finalize = matrix_event_room_message_finalize;
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/**
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* MatrixEventRoomMessage:message:
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*
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* The message as a #MatrixMessageBase derived object.
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*/
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matrix_event_room_message_properties[PROP_MESSAGE] = g_param_spec_object(
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"message", "message", "message",
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MATRIX_MESSAGE_TYPE_BASE,
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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_MESSAGE, matrix_event_room_message_properties[PROP_MESSAGE]);
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/**
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* MatrixEventRoomMessage:fallback-content:
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*
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* The message as a JSON object. This gets set by matrix_message_base_new_from_json() if
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* no handler is installed for the given message type.
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*/
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matrix_event_room_message_properties[PROP_FALLBACK_CONTENT] = g_param_spec_boxed(
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"fallback-content", "fallback-content", "fallback-content",
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JSON_TYPE_NODE,
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G_PARAM_STATIC_STRINGS | G_PARAM_READABLE);
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g_object_class_install_property(G_OBJECT_CLASS(klass), PROP_FALLBACK_CONTENT, matrix_event_room_message_properties[PROP_FALLBACK_CONTENT]);
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/**
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* MatrixEventRoomMessage:body:
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*
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* The fallback textual body of the message.
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*/
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matrix_event_room_message_properties[PROP_BODY] = g_param_spec_string(
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"body", "body", "body",
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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_BODY, matrix_event_room_message_properties[PROP_BODY]);
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}
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static void
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matrix_event_room_message_init(MatrixEventRoomMessage *matrix_event_room_message)
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{
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MatrixEventRoomMessagePrivate *priv = matrix_event_room_message_get_instance_private(matrix_event_room_message);
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priv->_message = NULL;
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priv->_fallback_content = NULL;
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}
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