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Smarter infinite scroll

gh/stable
Eugen Rochko 2017-01-24 04:12:10 +01:00
parent 1761d3f9c3
commit d9022884c6
7 changed files with 74 additions and 24 deletions
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11
app/assets/javascripts/components/actions/accounts.jsx
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@ -80,7 +80,7 @@ export function fetchAccount(id) {
export function fetchAccountTimeline(id, replace = false) {
return (dispatch, getState) => {
const ids = getState().getIn(['timelines', 'accounts_timelines', id], Immutable.List());
const ids = getState().getIn(['timelines', 'accounts_timelines', id, 'items'], Immutable.List());
const newestId = ids.size > 0 ? ids.first() : null;
let params = '';
@ -103,11 +103,16 @@ export function fetchAccountTimeline(id, replace = false) {
export function expandAccountTimeline(id) {
return (dispatch, getState) => {
const lastId = getState().getIn(['timelines', 'accounts_timelines', id], Immutable.List()).last();
const lastId = getState().getIn(['timelines', 'accounts_timelines', id, 'items'], Immutable.List()).last();
dispatch(expandAccountTimelineRequest(id));
api(getState).get(`/api/v1/accounts/${id}/statuses?max_id=${lastId}`).then(response => {
api(getState).get(`/api/v1/accounts/${id}/statuses`, {
params: {
limit: 10,
max_id: lastId
}
}).then(response => {
dispatch(expandAccountTimelineSuccess(id, response.data));
}).catch(error => {
dispatch(expandAccountTimelineFail(id, error));

2
app/assets/javascripts/components/actions/cards.jsx
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@ -9,7 +9,7 @@ export function fetchStatusCard(id) {
dispatch(fetchStatusCardRequest(id));
api(getState).get(`/api/v1/statuses/${id}/card`).then(response => {
if (!response.data.url) {
if (!response.data.url || !response.data.title || !response.data.description) {
return;
}

7
app/assets/javascripts/components/actions/timelines.jsx
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@ -115,7 +115,12 @@ export function expandTimeline(timeline, id = null) {
path = `${path}/${id}`
}
api(getState).get(`/api/v1/timelines/${path}?max_id=${lastId}`).then(response => {
api(getState).get(`/api/v1/timelines/${path}`, {
params: {
limit: 10,
max_id: lastId
}
}).then(response => {
dispatch(expandTimelineSuccess(timeline, response.data));
}).catch(error => {
dispatch(expandTimelineFail(timeline, error));

37
app/assets/javascripts/components/components/status_list.jsx
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@ -11,7 +11,8 @@ const StatusList = React.createClass({
onScrollToBottom: React.PropTypes.func,
onScrollToTop: React.PropTypes.func,
onScroll: React.PropTypes.func,
trackScroll: React.PropTypes.bool
trackScroll: React.PropTypes.bool,
isLoading: React.PropTypes.bool
},
getDefaultProps () {
@ -24,10 +25,10 @@ const StatusList = React.createClass({
handleScroll (e) {
const { scrollTop, scrollHeight, clientHeight } = e.target;
const offset = scrollHeight - scrollTop - clientHeight;
this._oldScrollPosition = scrollHeight - scrollTop;
if (scrollTop === scrollHeight - clientHeight && this.props.onScrollToBottom) {
if (250 > offset && this.props.onScrollToBottom && !this.props.isLoading) {
this.props.onScrollToBottom();
} else if (scrollTop < 100 && this.props.onScrollToTop) {
this.props.onScrollToTop();
@ -36,21 +37,37 @@ const StatusList = React.createClass({
}
},
componentDidUpdate (prevProps) {
if (prevProps.statusIds.size < this.props.statusIds.size && prevProps.statusIds.first() !== this.props.statusIds.first() && this._oldScrollPosition) {
const node = ReactDOM.findDOMNode(this);
componentDidMount () {
this.attachScrollListener();
},
if (node.scrollTop > 0) {
node.scrollTop = node.scrollHeight - this._oldScrollPosition;
}
componentDidUpdate (prevProps) {
if (this.node.scrollTop > 0 && (prevProps.statusIds.size < this.props.statusIds.size && prevProps.statusIds.first() !== this.props.statusIds.first() && !!this._oldScrollPosition)) {
this.node.scrollTop = this.node.scrollHeight - this._oldScrollPosition;
}
},
componentWillUnmount () {
this.detachScrollListener();
},
attachScrollListener () {
this.node.addEventListener('scroll', this.handleScroll);
},
detachScrollListener () {
this.node.removeEventListener('scroll', this.handleScroll);
},
setRef (c) {
this.node = c;
},
render () {
const { statusIds, onScrollToBottom, trackScroll } = this.props;
const scrollableArea = (
<div className='scrollable' onScroll={this.handleScroll}>
<div className='scrollable' ref={this.setRef}>
<div>
{statusIds.map((statusId) => {
return <StatusContainer key={statusId} id={statusId} />;

8
app/assets/javascripts/components/features/account_timeline/index.jsx
View File

@ -9,7 +9,8 @@ import StatusList from '../../components/status_list';
import LoadingIndicator from '../../components/loading_indicator';
const mapStateToProps = (state, props) => ({
statusIds: state.getIn(['timelines', 'accounts_timelines', Number(props.params.accountId)]),
statusIds: state.getIn(['timelines', 'accounts_timelines', Number(props.params.accountId), 'items']),
isLoading: state.getIn(['timelines', 'accounts_timelines', Number(props.params.accountId), 'isLoading']),
me: state.getIn(['meta', 'me'])
});
@ -19,6 +20,7 @@ const AccountTimeline = React.createClass({
params: React.PropTypes.object.isRequired,
dispatch: React.PropTypes.func.isRequired,
statusIds: ImmutablePropTypes.list,
isLoading: React.PropTypes.bool,
me: React.PropTypes.number.isRequired
},
@ -39,13 +41,13 @@ const AccountTimeline = React.createClass({
},
render () {
const { statusIds, me } = this.props;
const { statusIds, isLoading, me } = this.props;
if (!statusIds) {
return <LoadingIndicator />;
}
return <StatusList statusIds={statusIds} me={me} onScrollToBottom={this.handleScrollToBottom} />
return <StatusList statusIds={statusIds} isLoading={isLoading} me={me} onScrollToBottom={this.handleScrollToBottom} />
}
});

3
app/assets/javascripts/components/features/ui/containers/status_list_container.jsx
View File

@ -33,7 +33,8 @@ const getStatusIds = createSelector([
}));
const mapStateToProps = (state, props) => ({
statusIds: getStatusIds(state, props)
statusIds: getStatusIds(state, props),
isLoading: state.getIn(['timelines', props.type, 'isLoading'], true)
});
const mapDispatchToProps = (dispatch, { type, id }) => ({

30
app/assets/javascripts/components/reducers/timelines.jsx
View File

@ -4,6 +4,7 @@ import {
TIMELINE_UPDATE,
TIMELINE_DELETE,
TIMELINE_EXPAND_SUCCESS,
TIMELINE_EXPAND_REQUEST,
TIMELINE_SCROLL_TOP
} from '../actions/timelines';
import {
@ -13,37 +14,41 @@ import {
UNFAVOURITE_SUCCESS
} from '../actions/interactions';
import {
ACCOUNT_FETCH_SUCCESS,
ACCOUNT_TIMELINE_FETCH_REQUEST,
ACCOUNT_TIMELINE_FETCH_SUCCESS,
ACCOUNT_TIMELINE_EXPAND_REQUEST,
ACCOUNT_TIMELINE_EXPAND_SUCCESS,
ACCOUNT_BLOCK_SUCCESS
} from '../actions/accounts';
import {
STATUS_FETCH_SUCCESS,
CONTEXT_FETCH_SUCCESS
} from '../actions/statuses';
import Immutable from 'immutable';
const initialState = Immutable.Map({
home: Immutable.Map({
isLoading: false,
loaded: false,
top: true,
items: Immutable.List()
}),
mentions: Immutable.Map({
isLoading: false,
loaded: false,
top: true,
items: Immutable.List()
}),
public: Immutable.Map({
isLoading: false,
loaded: false,
top: true,
items: Immutable.List()
}),
tag: Immutable.Map({
isLoading: false,
id: null,
loaded: false,
top: true,
@ -82,6 +87,7 @@ const normalizeTimeline = (state, timeline, statuses, replace = false) => {
});
state = state.setIn([timeline, 'loaded'], true);
state = state.setIn([timeline, 'isLoading'], false);
return state.updateIn([timeline, 'items'], Immutable.List(), list => (loaded ? list.unshift(...ids) : ids));
};
@ -94,6 +100,8 @@ const appendNormalizedTimeline = (state, timeline, statuses) => {
moreIds = moreIds.set(i, status.get('id'));
});
state = state.setIn([timeline, 'isLoading'], false);
return state.updateIn([timeline, 'items'], Immutable.List(), list => list.push(...moreIds));
};
@ -105,7 +113,10 @@ const normalizeAccountTimeline = (state, accountId, statuses, replace = false) =
ids = ids.set(i, status.get('id'));
});
return state.updateIn(['accounts_timelines', accountId], Immutable.List([]), list => (replace ? ids : list.unshift(...ids)));
return state.updateIn(['accounts_timelines', accountId], Immutable.Map(), map => map
.set('isLoading', false)
.set('loaded', true)
.update('items', Immutable.List(), list => (replace ? ids : list.unshift(...ids))));
};
const appendNormalizedAccountTimeline = (state, accountId, statuses) => {
@ -116,7 +127,9 @@ const appendNormalizedAccountTimeline = (state, accountId, statuses) => {
moreIds = moreIds.set(i, status.get('id'));
});
return state.updateIn(['accounts_timelines', accountId], Immutable.List([]), list => list.push(...moreIds));
return state.updateIn(['accounts_timelines', accountId], Immutable.Map(), map => map
.set('isLoading', false)
.update('items', list => list.push(...moreIds)));
};
const updateTimeline = (state, timeline, status, references) => {
@ -157,7 +170,7 @@ const deleteStatus = (state, id, accountId, references, reblogOf) => {
});
// Remove references from account timelines
state = state.updateIn(['accounts_timelines', accountId], Immutable.List([]), list => list.filterNot(item => item === id));
state = state.updateIn(['accounts_timelines', accountId, 'items'], Immutable.List([]), list => list.filterNot(item => item === id));
// Remove references from context
state.getIn(['descendants', id], Immutable.List()).forEach(descendantId => {
@ -207,8 +220,11 @@ const resetTimeline = (state, timeline, id) => {
if (timeline === 'tag' && state.getIn([timeline, 'id']) !== id) {
state = state.update(timeline, map => map
.set('id', id)
.set('isLoading', true)
.set('loaded', false)
.update('items', list => list.clear()));
} else {
state = state.setIn([timeline, 'isLoading'], true);
}
return state;
@ -217,6 +233,7 @@ const resetTimeline = (state, timeline, id) => {
export default function timelines(state = initialState, action) {
switch(action.type) {
case TIMELINE_REFRESH_REQUEST:
case TIMELINE_EXPAND_REQUEST:
return resetTimeline(state, action.timeline, action.id);
case TIMELINE_REFRESH_SUCCESS:
return normalizeTimeline(state, action.timeline, Immutable.fromJS(action.statuses));
@ -228,6 +245,9 @@ export default function timelines(state = initialState, action) {
return deleteStatus(state, action.id, action.accountId, action.references, action.reblogOf);
case CONTEXT_FETCH_SUCCESS:
return normalizeContext(state, action.id, Immutable.fromJS(action.ancestors), Immutable.fromJS(action.descendants));
case ACCOUNT_TIMELINE_FETCH_REQUEST:
case ACCOUNT_TIMELINE_EXPAND_REQUEST:
return state.updateIn(['accounts_timelines', action.id], Immutable.Map(), map => map.set('isLoading', true));
case ACCOUNT_TIMELINE_FETCH_SUCCESS:
return normalizeAccountTimeline(state, action.id, Immutable.fromJS(action.statuses), action.replace);
case ACCOUNT_TIMELINE_EXPAND_SUCCESS: