Port MatrixEventState to C
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.gitignore
vendored
@ -53,7 +53,6 @@ Makefile.in
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/src/matrix-http-client.c
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/src/matrix-http-client.c
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/src/matrix-event-presence.c
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/src/matrix-event-presence.c
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/src/matrix-event-room-member.c
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/src/matrix-event-room-member.c
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/src/matrix-event-state-base.c
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/src/matrix-event-room-message.c
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/src/matrix-event-room-message.c
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/src/namespace-info.vala
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/src/namespace-info.vala
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/src/namespace-info.c
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/src/namespace-info.c
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@ -21,7 +21,6 @@ libmatrix_glib_0_0_la_VALA_SOURCES = \
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matrix-client.vala \
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matrix-client.vala \
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matrix-http-api.vala \
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matrix-http-api.vala \
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matrix-http-client.vala \
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matrix-http-client.vala \
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matrix-event-state-base.vala \
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matrix-event-presence.vala \
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matrix-event-presence.vala \
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matrix-event-room-member.vala \
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matrix-event-room-member.vala \
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matrix-event-room-message.vala \
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matrix-event-room-message.vala \
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@ -113,6 +112,7 @@ INST_H_SRC_FILES = \
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matrix-compacts.h \
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matrix-compacts.h \
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matrix-event-base.h \
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matrix-event-base.h \
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matrix-event-room-base.h \
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matrix-event-room-base.h \
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matrix-event-state-base.h \
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utils.h \
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utils.h \
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matrix-profile.h \
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matrix-profile.h \
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$(NULL)
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$(NULL)
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@ -137,6 +137,7 @@ libmatrix_glib_0_0_la_SOURCES = \
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matrix-compacts.c \
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matrix-compacts.c \
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matrix-event-base.c \
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matrix-event-base.c \
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matrix-event-room-base.c \
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matrix-event-room-base.c \
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matrix-event-state-base.c \
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matrix-profile.c \
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matrix-profile.c \
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utils.c \
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utils.c \
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matrix-enumtypes.c \
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matrix-enumtypes.c \
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347
src/matrix-event-state-base.c
Normal file
347
src/matrix-event-state-base.c
Normal file
@ -0,0 +1,347 @@
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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-state-base.h"
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#include "matrix-enumtypes.h"
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#include "config.h"
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/**
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* SECTION:matrix-event-state-base
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* @short_description: abstract base class for state events
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* @title: base class for state events
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*
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* #MatrixEventState is the base class for state events. State events are special room events
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* with an extra `state_key` and `prev_content` event which are handled by this class.
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*/
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enum {
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PROP_0,
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PROP_STATE_KEY,
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PROP_PREV_CONTENT,
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NUM_PROPS
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};
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static GParamSpec *matrix_event_state_properties[NUM_PROPS];
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typedef struct {
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JsonNode *_prev_content;
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gchar *_state_key;
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} MatrixEventStatePrivate;
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/**
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* MatrixEventState:
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*
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* The only exposed field for such events is the state key. There are some events that may
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* send the state key in a different field; handlers of such events can overwrite this
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* property directly, but otherwise it’s descouraged.
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*/
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G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE(MatrixEventState, matrix_event_state, MATRIX_EVENT_TYPE_ROOM);
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static void
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matrix_event_state_real_from_json(MatrixEventBase *matrix_event_base, JsonNode *json_data, GError **error)
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{
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MatrixEventStatePrivate *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_state_get_instance_private(MATRIX_EVENT_STATE(matrix_event_base));
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root = json_node_get_object(json_data);
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if ((node = json_object_get_member(root, "state_key")) != NULL) {
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g_free(priv->_state_key);
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priv->_state_key = g_strdup(json_node_get_string(node));
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} else if (DEBUG) {
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g_warning("state_key is not present in a State event");
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}
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if ((node = json_object_get_member(root, "prev_content")) != NULL) {
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priv->_prev_content = node;
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}
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MATRIX_EVENT_BASE_CLASS(matrix_event_state_parent_class)->from_json(matrix_event_base, json_data, &inner_error);
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json_node_unref(node);
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json_object_unref(root);
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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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}
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static void
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matrix_event_state_real_to_json(MatrixEventBase *matrix_event_base, JsonNode *json_node, GError **error)
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{
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MatrixEventState *matrix_event_state;
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MatrixEventStatePrivate *priv;
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JsonObject *root;
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GError *inner_error = NULL;
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matrix_event_state = MATRIX_EVENT_STATE(matrix_event_base);
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priv = matrix_event_state_get_instance_private(matrix_event_state);
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if (priv->_state_key == NULL) {
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g_set_error(error, MATRIX_ERROR, MATRIX_ERROR_INCOMPLETE,
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"Won't generate state events without state_key");
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return;
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}
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root = json_node_get_object(json_node);
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json_object_set_string_member(root, "state_key", priv->_state_key);
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if (priv->_prev_content != NULL) {
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json_object_set_member(root, "prev_content", priv->_prev_content);
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}
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MATRIX_EVENT_BASE_CLASS(matrix_event_state_parent_class)->to_json(MATRIX_EVENT_BASE(matrix_event_base), json_node, &inner_error);
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json_object_unref(root);
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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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}
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/**
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* matrix_event_state_get_stripped_node:
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* @event: a #MatrixEventState derived object
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*
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* Get a stripped state event.
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*
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* Returns: (transfer full) (nullable): %NULL if the event is not allowed to be stripped, or
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* the full JSON node otherwise
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*/
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JsonNode *
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matrix_event_state_get_stripped_node(MatrixEventState *matrix_event_state)
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{
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MatrixEventBase *matrix_event_base;
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const gchar *event_type;
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g_return_val_if_fail(matrix_event_state != NULL, NULL);
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matrix_event_base = MATRIX_EVENT_BASE(matrix_event_state);
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event_type = matrix_event_base_get_event_type(matrix_event_base);
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// TODO: this may be controlled by an object property instead.
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if ((g_strcmp0(event_type, "m.room.join_rules") != 0) &&
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(g_strcmp0(event_type, "m.room.canonical_alias") != 0) &&
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(g_strcmp0(event_type, "m.room.avatar") != 0) &&
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(g_strcmp0(event_type, "m.room.name") != 0)) {
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g_warning("Trying to strip down event that is not allowed to be stripped.");
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return NULL;
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}
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return matrix_event_base_get_json(matrix_event_base);
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}
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MatrixEventState *
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matrix_event_state_construct(GType object_type)
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{
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return (MatrixEventState *)matrix_event_room_construct(object_type);
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}
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/**
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* matrix_event_state_get_state_key:
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* @event: a #MatrixEventState derived object
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*
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* Get the state key 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 state key
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*/
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const gchar *
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matrix_event_state_get_state_key(MatrixEventState *matrix_event_state)
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{
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MatrixEventStatePrivate *priv = matrix_event_state_get_instance_private(matrix_event_state);
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g_return_val_if_fail(matrix_event_state != NULL, NULL);
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return priv->_state_key;
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}
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/**
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* matrix_event_state_set_state_key:
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* @event: a #MatrixEventState derived object
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* @state_key: a state key
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*
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* Set the state key of @event.
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*/
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void
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matrix_event_state_set_state_key(MatrixEventState *matrix_event_state, const gchar *state_key)
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{
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MatrixEventStatePrivate *priv = matrix_event_state_get_instance_private(matrix_event_state);
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g_return_if_fail(matrix_event_state != NULL);
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g_free(priv->_state_key);
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priv->_state_key = g_strdup(state_key);
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g_object_notify_by_pspec((GObject *)matrix_event_state, matrix_event_state_properties[PROP_STATE_KEY]);
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}
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/**
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* matrix_event_state_get_prev_content:
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* @event: a #MatrixEventState derived object
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*
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* Get the known previous content for the state represented by @event.
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*
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* The value returned is owned by @event and should not be freed.
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*
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* Returns: (transfer none) (nullable): a #JsonNode representing the last known state of @event
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*/
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JsonNode *
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matrix_event_state_get_prev_content(MatrixEventState *matrix_event_state)
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{
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MatrixEventStatePrivate *priv;
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g_return_val_if_fail(matrix_event_state != NULL, NULL);
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priv = matrix_event_state_get_instance_private(matrix_event_state);
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return priv->_prev_content;
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}
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/**
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* matrix_event_state_set_prev_content:
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* @event: a #MatrixEventState derived object
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* @prev_content: (transfer none) (nullable): the last known content of the state
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* represented by @event
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*
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* Set the last known content of the state represented by @event. This is required to prevent
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* the race condition when a client tries to overwrite a state that has been changed since then.
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*/
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void
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matrix_event_state_set_prev_content(MatrixEventState *matrix_event_state, JsonNode *prev_content)
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{
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MatrixEventStatePrivate *priv;
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g_return_if_fail(matrix_event_state != NULL);
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priv = matrix_event_state_get_instance_private(matrix_event_state);
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if (priv->_prev_content != prev_content) {
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json_node_unref(priv->_prev_content);
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priv->_prev_content = json_node_ref(prev_content);
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g_object_notify_by_pspec((GObject *)matrix_event_state, matrix_event_state_properties[PROP_PREV_CONTENT]);
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}
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}
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static void
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matrix_event_state_finalize(GObject *gobject)
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{
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MatrixEventState *matrix_event_state = MATRIX_EVENT_STATE(gobject);
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MatrixEventStatePrivate *priv = matrix_event_state_get_instance_private(matrix_event_state);
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g_free(priv->_state_key);
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json_node_unref(priv->_prev_content);
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G_OBJECT_CLASS(matrix_event_state_parent_class)->finalize(gobject);
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}
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static void
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matrix_event_state_get_property(GObject *gobject, guint property_id, GValue* value, GParamSpec* pspec)
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{
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MatrixEventState *matrix_event_state = MATRIX_EVENT_STATE(gobject);
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MatrixEventStatePrivate *priv = matrix_event_state_get_instance_private(matrix_event_state);
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switch (property_id) {
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case PROP_STATE_KEY:
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g_value_set_string(value, priv->_state_key);
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break;
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case PROP_PREV_CONTENT:
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g_value_set_boxed(value, priv->_prev_content);
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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_state_set_property(GObject *gobject, guint property_id, const GValue* value, GParamSpec* pspec)
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{
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MatrixEventState *matrix_event_state = MATRIX_EVENT_STATE(gobject);
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switch (property_id) {
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case PROP_STATE_KEY:
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matrix_event_state_set_state_key(matrix_event_state, g_value_get_string(value));
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break;
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case PROP_PREV_CONTENT:
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matrix_event_state_set_prev_content(matrix_event_state, g_value_get_boxed(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_state_class_init(MatrixEventStateClass *klass)
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{
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((MatrixEventBaseClass *)klass)->from_json = matrix_event_state_real_from_json;
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((MatrixEventBaseClass *)klass)->to_json = matrix_event_state_real_to_json;
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G_OBJECT_CLASS(klass)->get_property = matrix_event_state_get_property;
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G_OBJECT_CLASS(klass)->set_property = matrix_event_state_set_property;
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G_OBJECT_CLASS(klass)->finalize = matrix_event_state_finalize;
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/**
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* MatrixEventState:state-key:
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*
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* The state key of the event.
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*/
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matrix_event_state_properties[PROP_STATE_KEY] = g_param_spec_string(
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"state-key", "state-key", "state-key",
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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_STATE_KEY, matrix_event_state_properties[PROP_STATE_KEY]);
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/**
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* MatrixEventState:prev-content:
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*
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* The previous known content of the state
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*/
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|
matrix_event_state_properties[PROP_PREV_CONTENT] = g_param_spec_boxed(
|
||||||
|
"prev-content", "prev-content", "prev-content",
|
||||||
|
JSON_TYPE_NODE,
|
||||||
|
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE);
|
||||||
|
g_object_class_install_property(G_OBJECT_CLASS(klass), PROP_PREV_CONTENT, matrix_event_state_properties[PROP_PREV_CONTENT]);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
matrix_event_state_init(MatrixEventState *matrix_event_state)
|
||||||
|
{
|
||||||
|
MatrixEventStatePrivate *priv;
|
||||||
|
|
||||||
|
priv = matrix_event_state_get_instance_private(matrix_event_state);
|
||||||
|
|
||||||
|
priv->_prev_content = NULL;
|
||||||
|
priv->_state_key = NULL;
|
||||||
|
}
|
||||||
53
src/matrix-event-state-base.h
Normal file
53
src/matrix-event-state-base.h
Normal file
@ -0,0 +1,53 @@
|
|||||||
|
/*
|
||||||
|
* 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/>.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __MATRIX_GLIB_SDK_EVENT_STATE_BASE_H__
|
||||||
|
# define __MATRIX_GLIB_SDK_EVENT_STATE_BASE_H__
|
||||||
|
|
||||||
|
# include <glib-object.h>
|
||||||
|
# include <json-glib/json-glib.h>
|
||||||
|
# include "matrix-event-room-base.h"
|
||||||
|
|
||||||
|
# define MATRIX_EVENT_TYPE_STATE matrix_event_state_get_type()
|
||||||
|
#define MATRIX_EVENT_STATE(o) (G_TYPE_CHECK_INSTANCE_CAST((o), MATRIX_EVENT_TYPE_STATE, MatrixEventState))
|
||||||
|
#define MATRIX_EVENT_STATE_CLASS(c) (G_TYPE_CHECK_CLASS_CAST((c), MATRIX_EVENT_TYPE_STATE, MatrixEventStateClass))
|
||||||
|
#define MATRIX_EVENT_IS_STATE(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), MATRIX_EVENT_TYPE_STATE))
|
||||||
|
#define MATRIX_EVENT_IS_STATE_CLASS(c) (G_TYPE_CHECK_CLASS_TYPE((c), MATRIX_EVENT_TYPE_STATE))
|
||||||
|
#define MATRIX_EVENT_STATE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), MATRIX_EVENT_TYPE_STATE, MatrixEventStateClass))
|
||||||
|
|
||||||
|
typedef struct _MatrixEventStateClass MatrixEventStateClass;
|
||||||
|
typedef struct _MatrixEventState MatrixEventState;
|
||||||
|
G_DEFINE_AUTOPTR_CLEANUP_FUNC(MatrixEventState, g_object_unref);
|
||||||
|
|
||||||
|
struct _MatrixEventStateClass {
|
||||||
|
MatrixEventRoomClass parent_class;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _MatrixEventState {
|
||||||
|
MatrixEventRoom parent_instance;
|
||||||
|
};
|
||||||
|
|
||||||
|
GType matrix_event_state_get_type(void);
|
||||||
|
JsonNode *matrix_event_state_get_stripped_node(MatrixEventState *event);
|
||||||
|
MatrixEventState *matrix_event_state_construct(GType object_type);
|
||||||
|
const gchar *matrix_event_state_get_state_key(MatrixEventState *event);
|
||||||
|
void matrix_event_state_set_state_key(MatrixEventState *event, const gchar *state_key);
|
||||||
|
JsonNode *matrix_event_state_get_prev_content(MatrixEventState *event);
|
||||||
|
void matrix_event_state_set_prev_content(MatrixEventState *event, JsonNode *prev_content);
|
||||||
|
|
||||||
|
#endif /* __MATRIX_GLIB_SDK_EVENT_STATE_BASE_H__ */
|
||||||
@ -1,95 +0,0 @@
|
|||||||
/*
|
|
||||||
* 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/>.
|
|
||||||
*/
|
|
||||||
|
|
||||||
public abstract class Matrix.Event.State : Matrix.Event.Room {
|
|
||||||
protected string? _state_key;
|
|
||||||
|
|
||||||
public string? state_key {
|
|
||||||
get {
|
|
||||||
return _state_key;
|
|
||||||
}
|
|
||||||
|
|
||||||
set {
|
|
||||||
_state_key = value;
|
|
||||||
}
|
|
||||||
|
|
||||||
default = null;
|
|
||||||
}
|
|
||||||
public Json.Node? prev_content { get; set; default = null; }
|
|
||||||
|
|
||||||
protected override void
|
|
||||||
from_json(Json.Node json_data)
|
|
||||||
throws Matrix.Error
|
|
||||||
{
|
|
||||||
var root = json_data.get_object();
|
|
||||||
Json.Node? node;
|
|
||||||
|
|
||||||
if ((node = root.get_member("state_key")) != null) {
|
|
||||||
_state_key = node.get_string();
|
|
||||||
} else if (Config.DEBUG) {
|
|
||||||
warning("state_key is not present in a State event");
|
|
||||||
}
|
|
||||||
|
|
||||||
if ((node = root.get_member("prev_content")) != null) {
|
|
||||||
_prev_content = node;
|
|
||||||
}
|
|
||||||
|
|
||||||
base.from_json(json_data);
|
|
||||||
}
|
|
||||||
|
|
||||||
protected override void
|
|
||||||
to_json(Json.Node json_node)
|
|
||||||
throws Matrix.Error
|
|
||||||
{
|
|
||||||
if (_state_key == null) {
|
|
||||||
throw new Matrix.Error.INCOMPLETE(
|
|
||||||
"Won't generate state events without state_key");
|
|
||||||
}
|
|
||||||
|
|
||||||
var root = json_node.get_object();
|
|
||||||
|
|
||||||
root.set_string_member("state_key", state_key);
|
|
||||||
|
|
||||||
if (_prev_content != null) {
|
|
||||||
root.set_member("prev_content", prev_content);
|
|
||||||
}
|
|
||||||
|
|
||||||
base.to_json(json_node);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Get a stripped state event.
|
|
||||||
*
|
|
||||||
* @return `null` if the event is not allowed to be stripped, or
|
|
||||||
* the full JSON node otherwise
|
|
||||||
*/
|
|
||||||
public Json.Node?
|
|
||||||
get_stripped_node()
|
|
||||||
{
|
|
||||||
if ((_event_type != "m.room.join_rules")
|
|
||||||
&& (_event_type != "m.room.canonical_alias")
|
|
||||||
&& (_event_type != "m.room.avatar")
|
|
||||||
&& (_event_type != "m.room.name")) {
|
|
||||||
warning("Trying to strip down event that is not allowed to be stripped.");
|
|
||||||
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
|
|
||||||
return json;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@ -507,5 +507,22 @@ namespace Matrix {
|
|||||||
protected override void to_json(Json.Node json_data)
|
protected override void to_json(Json.Node json_data)
|
||||||
throws Matrix.Error;
|
throws Matrix.Error;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
[CCode (cheader_filename = "matrix-event-state-base.h")]
|
||||||
|
public abstract class State : Matrix.Event.Room {
|
||||||
|
protected string? _state_key;
|
||||||
|
public string? state_key { get; set; default = null; }
|
||||||
|
public Json.Node? prev_content { get; set; default = null; }
|
||||||
|
|
||||||
|
public State();
|
||||||
|
|
||||||
|
protected override void from_json(Json.Node json_data)
|
||||||
|
throws Matrix.Error;
|
||||||
|
|
||||||
|
protected override void to_json(Json.Node json_node)
|
||||||
|
throws Matrix.Error;
|
||||||
|
|
||||||
|
public Json.Node? get_stripped_node();
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user