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Calculate visible rooms when tags change

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instead of every time we getRoomLists
This commit is contained in:
lukebarnard 2018-01-04 11:50:33 +00:00
parent 5c5307c665
commit cdd1a57569
1 changed files with 28 additions and 25 deletions
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53
src/components/views/rooms/RoomList.js
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@ -93,7 +93,8 @@ module.exports = React.createClass({
// $groupId: [$roomId1, $roomId2, ...], // $groupId: [$roomId1, $roomId2, ...],
}; };
// All rooms that should be kept in the room list when filtering // All rooms that should be kept in the room list when filtering
this._visibleRooms = []; // By default, set to `null` meaning "all rooms visible"
this._visibleRooms = null;
// When the selected tags are changed, initialise a group store if necessary // When the selected tags are changed, initialise a group store if necessary
this._filterStoreToken = FilterStore.addListener(() => { this._filterStoreToken = FilterStore.addListener(() => {
FilterStore.getSelectedTags().forEach((tag) => { FilterStore.getSelectedTags().forEach((tag) => {
@ -297,15 +298,35 @@ module.exports = React.createClass({
// Update which rooms and users should appear according to which tags are selected // Update which rooms and users should appear according to which tags are selected
updateVisibleRooms: function() { updateVisibleRooms: function() {
this._visibleRooms = []; const selectedTags = FilterStore.getSelectedTags();
FilterStore.getSelectedTags().forEach((tag) => {
(this._visibleRoomsForGroup[tag] || []).forEach( let visibleGroupRooms = [];
(roomId) => this._visibleRooms.push(roomId), selectedTags.forEach((tag) => {
visibleGroupRooms = visibleGroupRooms.concat(
this._visibleRoomsForGroup[tag] || [],
); );
}); });
// If there are any tags selected, constrain the rooms listed to the
// visible rooms as determined by visibleGroupRooms. Here, we
// de-duplicate and filter out rooms that the client doesn't know
// about (hence the Set and the null-guard on `room`).
if (selectedTags.length > 0) {
const roomSet = new Set();
visibleGroupRooms.forEach((roomId) => {
const room = MatrixClientPeg.get().getRoom(roomId);
if (room) {
roomSet.add(room);
}
});
this._visibleRooms = Array.from(roomSet);
} else {
// Show all rooms
this._visibleRooms = null;
}
this.setState({ this.setState({
selectedTags: FilterStore.getSelectedTags(), selectedTags,
}, () => { }, () => {
this.refreshRoomList(); this.refreshRoomList();
}); });
@ -340,25 +361,7 @@ module.exports = React.createClass({
const dmRoomMap = DMRoomMap.shared(); const dmRoomMap = DMRoomMap.shared();
// If there are any tags selected, constrain the rooms listed to the (this._visibleRooms || MatrixClientPeg.get().getRooms()).forEach((room, index) => {
// visible rooms as determined by this._visibleRooms. Here, we
// de-duplicate and filter out rooms that the client doesn't know
// about (hence the Set and the null-guard on `room`).
let rooms = [];
if (this.state.selectedTags.length > 0) {
const roomSet = new Set();
this._visibleRooms.forEach((roomId) => {
const room = MatrixClientPeg.get().getRoom(roomId);
if (room) {
roomSet.add(room);
}
});
rooms = Array.from(roomSet);
} else {
rooms = MatrixClientPeg.get().getRooms();
}
rooms.forEach((room, index) => {
const me = room.getMember(MatrixClientPeg.get().credentials.userId); const me = room.getMember(MatrixClientPeg.get().credentials.userId);
if (!me) return; if (!me) return;