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Refactor the infamous three-valued boolean into two booleans, trying to simplify the logic

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Thibaut Girka 7 years ago
parent 259bc9840b
commit 2888f74c12
5 changed files with 49 additions and 41 deletions
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72
app/javascript/flavours/glitch/components/status.js
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@ -50,7 +50,8 @@ export default class Status extends ImmutablePureComponent {
};
state = {
isExpanded: null,
isExpanded: false,
isCollapsed: false,
autoCollapsed: false,
}
@ -71,6 +72,7 @@ export default class Status extends ImmutablePureComponent {
updateOnStates = [
'isExpanded',
'isCollapsed',
]
// If our settings have changed to disable collapsed statuses, then we
@ -83,18 +85,18 @@ export default class Status extends ImmutablePureComponent {
// uncollapse our status accordingly.
componentWillReceiveProps (nextProps) {
if (!nextProps.settings.getIn(['collapsed', 'enabled'])) {
if (this.state.isExpanded === false) {
this.setExpansion(null);
if (this.state.isCollapsed) {
this.setCollapsed(false);
}
} else if (
nextProps.collapse !== this.props.collapse &&
nextProps.collapse !== undefined
) this.setExpansion(nextProps.collapse ? false : null);
) this.setCollapsed(nextProps.collapse);
}
// When mounting, we just check to see if our status should be collapsed,
// and collapse it if so. We don't need to worry about whether collapsing
// is enabled here, because `setExpansion()` already takes that into
// is enabled here, because `setCollapsed()` already takes that into
// account.
// The cases where a status should be collapsed are:
@ -138,7 +140,7 @@ export default class Status extends ImmutablePureComponent {
return false;
}
}()) {
this.setExpansion(false);
this.setCollapsed(true);
// Hack to fix timeline jumps on second rendering when auto-collapsing
this.setState({ autoCollapsed: true });
}
@ -164,23 +166,26 @@ export default class Status extends ImmutablePureComponent {
}
}
// `setExpansion()` sets the value of `isExpanded` in our state. It takes
// one argument, `value`, which gives the desired value for `isExpanded`.
// The default for this argument is `null`.
// `setCollapsed()` sets the value of `isCollapsed` in our state, that is,
// whether the toot is collapsed or not.
// `setExpansion()` automatically checks for us whether toot collapsing
// `setCollapsed()` automatically checks for us whether toot collapsing
// is enabled, so we don't have to.
setCollapsed = (value) => {
if (this.props.settings.getIn(['collapsed', 'enabled'])) {
this.setState({ isCollapsed: value });
if (value) {
this.setExpansion(false);
}
} else {
this.setState({ isCollapsed: false });
}
}
setExpansion = (value) => {
switch (true) {
case value === undefined || value === null:
this.setState({ isExpanded: null });
break;
case !value && this.props.settings.getIn(['collapsed', 'enabled']):
this.setState({ isExpanded: false });
break;
case !!value:
this.setState({ isExpanded: true });
break;
this.setState({ isExpanded: value });
if (value) {
this.setCollapsed(false);
}
}
@ -192,7 +197,7 @@ export default class Status extends ImmutablePureComponent {
parseClick = (e, destination) => {
const { router } = this.context;
const { status } = this.props;
const { isExpanded } = this.state;
const { isCollapsed } = this.state;
if (!router) return;
if (destination === undefined) {
destination = `/statuses/${
@ -200,9 +205,9 @@ export default class Status extends ImmutablePureComponent {
}`;
}
if (e.button === 0) {
if (isExpanded === false) this.setExpansion(null);
if (isCollapsed) this.setCollapsed(false);
else if (e.shiftKey) {
this.setExpansion(false);
this.setCollapsed(true);
document.getSelection().removeAllRanges();
} else router.history.push(destination);
e.preventDefault();
@ -219,7 +224,7 @@ export default class Status extends ImmutablePureComponent {
handleExpandedToggle = () => {
if (this.props.status.get('spoiler_text')) {
this.setExpansion(this.state.isExpanded ? null : true);
this.setExpansion(!this.state.isExpanded);
}
};
@ -278,6 +283,7 @@ export default class Status extends ImmutablePureComponent {
handleRef,
parseClick,
setExpansion,
setCollapsed,
} = this;
const { router } = this.context;
const {
@ -294,7 +300,7 @@ export default class Status extends ImmutablePureComponent {
hidden,
...other
} = this.props;
const { isExpanded } = this.state;
const { isExpanded, isCollapsed } = this.state;
let background = null;
let attachments = null;
let media = null;
@ -413,8 +419,8 @@ export default class Status extends ImmutablePureComponent {
};
const computedClass = classNames('status', `status-${status.get('visibility')}`, {
collapsed: isExpanded === false,
'has-background': isExpanded === false && background,
collapsed: isCollapsed,
'has-background': isCollapsed && background,
muted,
}, 'focusable');
@ -422,7 +428,7 @@ export default class Status extends ImmutablePureComponent {
<HotKeys handlers={handlers}>
<div
className={computedClass}
style={isExpanded === false && background ? { backgroundImage: `url(${background})` } : null}
style={isCollapsed && background ? { backgroundImage: `url(${background})` } : null}
{...selectorAttribs}
ref={handleRef}
tabIndex='0'
@ -437,11 +443,11 @@ export default class Status extends ImmutablePureComponent {
notificationId={this.props.notificationId}
/>
) : null}
{!muted || isExpanded !== false ? (
{!muted || !isCollapsed ? (
<StatusHeader
status={status}
friend={account}
collapsed={isExpanded === false}
collapsed={isCollapsed}
parseClick={parseClick}
/>
) : null}
@ -450,8 +456,8 @@ export default class Status extends ImmutablePureComponent {
status={status}
mediaIcon={mediaIcon}
collapsible={settings.getIn(['collapsed', 'enabled'])}
collapsed={isExpanded === false}
setExpansion={setExpansion}
collapsed={isCollapsed}
setCollapsed={setCollapsed}
/>
</header>
<StatusContent
@ -463,7 +469,7 @@ export default class Status extends ImmutablePureComponent {
parseClick={parseClick}
disabled={!router}
/>
{isExpanded !== false || !muted ? (
{!isCollapsed || !muted ? (
<StatusActionBar
{...other}
status={status}

5
app/javascript/flavours/glitch/components/status_content.js
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@ -11,6 +11,7 @@ export default class StatusContent extends React.PureComponent {
static propTypes = {
status: ImmutablePropTypes.map.isRequired,
expanded: PropTypes.bool,
collapsed: PropTypes.bool,
setExpansion: PropTypes.func,
media: PropTypes.element,
mediaIcon: PropTypes.string,
@ -64,7 +65,7 @@ export default class StatusContent extends React.PureComponent {
}
onLinkClick = (e) => {
if (this.props.expanded === false) {
if (this.props.collapsed) {
if (this.props.parseClick) this.props.parseClick(e);
}
}
@ -112,7 +113,7 @@ export default class StatusContent extends React.PureComponent {
e.preventDefault();
if (this.props.setExpansion) {
this.props.setExpansion(this.props.expanded ? null : true);
this.props.setExpansion(!this.props.expanded);
} else {
this.setState({ hidden: !this.state.hidden });
}

6
app/javascript/flavours/glitch/components/status_icons.js
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@ -22,15 +22,15 @@ export default class StatusIcons extends React.PureComponent {
mediaIcon: PropTypes.string,
collapsible: PropTypes.bool,
collapsed: PropTypes.bool,
setExpansion: PropTypes.func.isRequired,
setCollapsed: PropTypes.func.isRequired,
intl: PropTypes.object.isRequired,
};
// Handles clicks on collapsed button
handleCollapsedClick = (e) => {
const { collapsed, setExpansion } = this.props;
const { collapsed, setCollapsed } = this.props;
if (e.button === 0) {
setExpansion(collapsed ? null : false);
setCollapsed(!collapsed);
e.preventDefault();
}
}

1
app/javascript/flavours/glitch/features/status/components/detailed_status.js
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@ -114,6 +114,7 @@ export default class DetailedStatus extends ImmutablePureComponent {
media={media}
mediaIcon={mediaIcon}
expanded={expanded}
collapsed={false}
setExpansion={setExpansion}
/>

6
app/javascript/flavours/glitch/features/status/index.js
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@ -76,7 +76,7 @@ export default class Status extends ImmutablePureComponent {
state = {
fullscreen: false,
isExpanded: null,
isExpanded: false,
};
componentWillMount () {
@ -96,7 +96,7 @@ export default class Status extends ImmutablePureComponent {
handleExpandedToggle = () => {
if (this.props.status.get('spoiler_text')) {
this.setExpansion(this.state.isExpanded ? null : true);
this.setExpansion(!this.state.isExpanded);
}
};
@ -292,7 +292,7 @@ export default class Status extends ImmutablePureComponent {
}
setExpansion = value => {
this.setState({ isExpanded: value ? true : null });
this.setState({ isExpanded: value });
}
setRef = c => {

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