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EventIndex: Add docstrings for the FilePanel methods.

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This commit is contained in:
Damir Jelić 2020-01-24 14:24:25 +01:00
parent 3534cd4202
commit 37f289b120
1 changed files with 71 additions and 1 deletions
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72
src/indexing/EventIndex.js
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@ -407,6 +407,27 @@ export default class EventIndex {
return indexManager.searchEventIndex(searchArgs);
}
/**
* Load events that contain URLs from the event index.
*
* @param {Room} room The room for which we should fetch events containing
* URLs
*
* @param {number} limit The maximum number of events to fetch.
*
* @param {string} fromEvent From which event should we continue fetching
* events from the index. This is only needed if we're continuing to fill
* the timeline, e.g. if we're paginating. This needs to be set to a event
* id of an event that was previously fetched with this function.
*
* @param {string} direction The direction in which we will continue
* fetching events. EventTimeline.BACKWARDS to continue fetching events that
* are older than the event given in fromEvent, EventTimeline.FORWARDS to
* fetch newer events.
*
* @returns {Promise<MatrixEvent[]>} Resolves to an array of events that
* contain URLs.
*/
async loadFileEvents(room, limit = 10, fromEvent = null, direction = EventTimeline.BACKWARDS) {
const client = MatrixClientPeg.get();
const indexManager = PlatformPeg.get().getEventIndexingManager();
@ -472,6 +493,33 @@ export default class EventIndex {
return matrixEvents;
}
/**
* Fill a timeline with events that contain URLs.
*
* @param {TimelineSet} timelineSet The TimelineSet the Timeline belongs to,
* used to check if we're adding duplicate events.
*
* @param {Timeline} timeline The Timeline which should be filed with
* events.
*
* @param {Room} room The room for which we should fetch events containing
* URLs
*
* @param {number} limit The maximum number of events to fetch.
*
* @param {string} fromEvent From which event should we continue fetching
* events from the index. This is only needed if we're continuing to fill
* the timeline, e.g. if we're paginating. This needs to be set to a event
* id of an event that was previously fetched with this function.
*
* @param {string} direction The direction in which we will continue
* fetching events. EventTimeline.BACKWARDS to continue fetching events that
* are older than the event given in fromEvent, EventTimeline.FORWARDS to
* fetch newer events.
*
* @returns {Promise<boolean>} Resolves to true if events were added to the
* timeline, false otherwise.
*/
async populateFileTimeline(timelineSet, timeline, room, limit = 10,
fromEvent = null, direction = EventTimeline.BACKWARDS) {
const matrixEvents = await this.loadFileEvents(room, limit, fromEvent, direction);
@ -486,7 +534,7 @@ export default class EventIndex {
direction = direction == EventTimeline.BACKWARDS ? EventTimeline.FORWARDS: EventTimeline.BACKWARDS;
}
// Add the events to the live timeline of the file panel.
// Add the events to the timeline of the file panel.
matrixEvents.forEach(e => {
if (!timelineSet.eventIdToTimeline(e.getId())) {
timelineSet.addEventToTimeline(e, timeline, direction == EventTimeline.BACKWARDS);
@ -503,6 +551,28 @@ export default class EventIndex {
}
}
/**
* Emulate a TimelineWindow pagination() request with the event index as the event source
*
* Might not fetch events from the index if the timeline already contains
* events that the window isn't showing.
*
* @param {Room} room The room for which we should fetch events containing
* URLs
*
* @param {TimelineWindow} timelineWindow The timeline window that should be
* populated with new events.
*
* @param {string} direction The direction in which we should paginate.
* EventTimeline.BACKWARDS to paginate back, EventTimeline.FORWARDS to
* paginate forwards.
*
* @param {number} limit The maximum number of events to fetch while
* paginating.
*
* @returns {Promise<boolean>} Resolves to a boolean which is true if more
* events were successfully retrieved.
*/
paginateTimelineWindow(room, timelineWindow, direction, limit) {
const tl = timelineWindow.getTimelineIndex(direction);