add animation when adding a room

pull/21833/head
Bruno Windels 2019-02-12 12:16:56 +01:00
parent 03c491416e
commit 2315e4bfb4
2 changed files with 34 additions and 4 deletions

View File

@ -38,5 +38,17 @@ limitations under the License.
height: 100%;
background: linear-gradient(to right, rgba(242,245,248,0), rgba(242,245,248,1));
}
.mx_RoomBreadcrumbs_animate {
margin-left: 0;
transition: transform 0.3s, width 0.3s;
width: 32px;
transform: scale(1);
}
.mx_RoomBreadcrumbs_preAnimate {
width: 0;
transform: scale(0);
}
}

View File

@ -20,6 +20,7 @@ import dis from "../../../dispatcher";
import MatrixClientPeg from "../../../MatrixClientPeg";
import AccessibleButton from '../elements/AccessibleButton';
import RoomAvatar from '../avatars/RoomAvatar';
import classNames from 'classnames';
const MAX_ROOMS = 20;
@ -40,6 +41,17 @@ export default class RoomBreadcrumbs extends React.Component {
dis.unregister(this._dispatcherRef);
}
componentDidUpdate() {
const rooms = this.state.rooms.slice();
if (rooms.length) {
const {room, animated} = rooms[0];
if (!animated) {
rooms[0] = {room, animated: true};
setTimeout(() => this.setState({rooms}), 0);
}
}
}
onAction(payload) {
switch (payload.action) {
case 'view_room':
@ -56,11 +68,11 @@ export default class RoomBreadcrumbs extends React.Component {
return;
}
const rooms = this.state.rooms.slice();
const existingIdx = rooms.findIndex((r) => r.roomId === room.roomId);
const existingIdx = rooms.findIndex((r) => r.room.roomId === room.roomId);
if (existingIdx !== -1) {
rooms.splice(existingIdx, 1);
}
rooms.splice(0, 0, room);
rooms.splice(0, 0, {room, animated: false});
if (rooms.length > MAX_ROOMS) {
rooms.splice(MAX_ROOMS, rooms.length - MAX_ROOMS);
}
@ -79,9 +91,15 @@ export default class RoomBreadcrumbs extends React.Component {
if (this.props.collapsed) {
return null;
}
const avatars = this.state.rooms.map((room) => {
const rooms = this.state.rooms;
const avatars = rooms.map(({room, animated}, i) => {
const isFirst = i === 0;
const classes = classNames({
"mx_RoomBreadcrumbs_preAnimate": isFirst && !animated,
"mx_RoomBreadcrumbs_animate": isFirst,
});
return (
<AccessibleButton key={room.roomId} title={room.name} onClick={() => this._viewRoom(room)}>
<AccessibleButton className={classes} key={room.roomId} title={room.name} onClick={() => this._viewRoom(room)}>
<RoomAvatar room={room} width={32} height={32} />
</AccessibleButton>
);