From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- .../matrix/lib/matrix-sdk/models/event-context.js | 116 +++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 comm/chat/protocols/matrix/lib/matrix-sdk/models/event-context.js (limited to 'comm/chat/protocols/matrix/lib/matrix-sdk/models/event-context.js') diff --git a/comm/chat/protocols/matrix/lib/matrix-sdk/models/event-context.js b/comm/chat/protocols/matrix/lib/matrix-sdk/models/event-context.js new file mode 100644 index 0000000000..29f9223674 --- /dev/null +++ b/comm/chat/protocols/matrix/lib/matrix-sdk/models/event-context.js @@ -0,0 +1,116 @@ +"use strict"; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.EventContext = void 0; +var _eventTimeline = require("./event-timeline"); +function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } +function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return typeof key === "symbol" ? key : String(key); } +function _toPrimitive(input, hint) { if (typeof input !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (typeof res !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); } /* + Copyright 2015 - 2021 The Matrix.org Foundation C.I.C. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + */ +class EventContext { + /** + * Construct a new EventContext + * + * An eventcontext is used for circumstances such as search results, when we + * have a particular event of interest, and a bunch of events before and after + * it. + * + * It also stores pagination tokens for going backwards and forwards in the + * timeline. + * + * @param ourEvent - the event at the centre of this context + */ + constructor(ourEvent) { + this.ourEvent = ourEvent; + _defineProperty(this, "timeline", void 0); + _defineProperty(this, "ourEventIndex", 0); + _defineProperty(this, "paginateTokens", { + [_eventTimeline.Direction.Backward]: null, + [_eventTimeline.Direction.Forward]: null + }); + this.timeline = [ourEvent]; + } + + /** + * Get the main event of interest + * + * This is a convenience function for getTimeline()[getOurEventIndex()]. + * + * @returns The event at the centre of this context. + */ + getEvent() { + return this.timeline[this.ourEventIndex]; + } + + /** + * Get the list of events in this context + * + * @returns An array of MatrixEvents + */ + getTimeline() { + return this.timeline; + } + + /** + * Get the index in the timeline of our event + */ + getOurEventIndex() { + return this.ourEventIndex; + } + + /** + * Get a pagination token. + * + * @param backwards - true to get the pagination token for going + */ + getPaginateToken(backwards = false) { + return this.paginateTokens[backwards ? _eventTimeline.Direction.Backward : _eventTimeline.Direction.Forward]; + } + + /** + * Set a pagination token. + * + * Generally this will be used only by the matrix js sdk. + * + * @param token - pagination token + * @param backwards - true to set the pagination token for going + * backwards in time + */ + setPaginateToken(token, backwards = false) { + this.paginateTokens[backwards ? _eventTimeline.Direction.Backward : _eventTimeline.Direction.Forward] = token ?? null; + } + + /** + * Add more events to the timeline + * + * @param events - new events, in timeline order + * @param atStart - true to insert new events at the start + */ + addEvents(events, atStart = false) { + // TODO: should we share logic with Room.addEventsToTimeline? + // Should Room even use EventContext? + + if (atStart) { + this.timeline = events.concat(this.timeline); + this.ourEventIndex += events.length; + } else { + this.timeline = this.timeline.concat(events); + } + } +} +exports.EventContext = EventContext; \ No newline at end of file -- cgit v1.2.3