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Merge pull request #4836 from matrix-org/travis/room-list/resize-handle

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Implement new resize handle for dogfooding
This commit is contained in:
Travis Ralston 2020-06-25 10:13:51 -06:00 committed by GitHub
commit f8bd6c818d
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3 changed files with 44 additions and 22 deletions
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40
res/css/views/rooms/_RoomSublist2.scss
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@ -226,6 +226,16 @@ limitations under the License.
.mx_RoomSublist2_showLessButtonChevron {
mask-image: url('$(res)/img/feather-customised/chevron-up.svg');
}
&.mx_RoomSublist2_isCutting::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
height: 4px;
box-shadow: 0px -2px 3px rgba(46, 47, 50, 0.08);
}
}
// Class name comes from the ResizableBox component
@ -233,31 +243,31 @@ limitations under the License.
// so that selector is below and one level higher.
.react-resizable-handle {
cursor: ns-resize;
border-radius: 2px;
border-radius: 3px;
// Update the render() function for RoomSublist2 if this changes
height: 3px;
// This is positioned directly below the 'show more' button.
position: absolute;
bottom: 0;
left: 0;
right: 0;
// This is to visually align the bar in the list. Should be 12px from
// either side of the list. We define this after the positioning to
// trick the browser.
margin-left: 4px;
margin-right: 4px;
// Together, these make the bar 48px wide
left: calc(50% - 24px);
right: calc(50% - 24px);
}
// TODO: Use less sketchy selector by replacing the resize component entirely
// This causes flickering.
.mx_RoomSublist2_showNButton:hover + .react-resizable-handle,
.react-resizable-handle:hover {
opacity: 0.8;
background-color: $primary-fg-color;
}
}
// The aforementioned selector for the hover state.
&:hover, &.mx_RoomSublist2_hasMenuOpen {
.react-resizable-handle {
opacity: 0.2;
// Update the render() function for RoomSublist2 if this changes
border: 2px solid $primary-fg-color;
}
&:not(.mx_RoomSublist2_minimized) > .mx_RoomSublist2_headerContainer {
// If the header doesn't have an aux button we still need to hide the badge for
// the menu button.

12
src/components/views/rooms/RoomSublist2.tsx
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@ -43,7 +43,7 @@ import { TagID } from "../../../stores/room-list/models";
*******************************************************************/
const SHOW_N_BUTTON_HEIGHT = 32; // As defined by CSS
const RESIZE_HANDLE_HEIGHT = 4; // As defined by CSS
const RESIZE_HANDLE_HEIGHT = 3; // As defined by CSS
const MAX_PADDING_HEIGHT = SHOW_N_BUTTON_HEIGHT + RESIZE_HANDLE_HEIGHT;
@ -356,6 +356,12 @@ export default class RoomSublist2 extends React.Component<IProps, IState> {
const nVisible = Math.floor(layout.visibleTiles);
const visibleTiles = tiles.slice(0, nVisible);
const maxTilesFactored = layout.tilesWithResizerBoxFactor(tiles.length);
const showMoreBtnClasses = classNames({
'mx_RoomSublist2_showNButton': true,
'mx_RoomSublist2_isCutting': layout.visibleTiles < maxTilesFactored,
});
// If we're hiding rooms, show a 'show more' button to the user. This button
// floats above the resize handle, if we have one present. If the user has all
// tiles visible, it becomes 'show less'.
@ -370,7 +376,7 @@ export default class RoomSublist2 extends React.Component<IProps, IState> {
);
if (this.props.isMinimized) showMoreText = null;
showNButton = (
<div onClick={this.onShowAllClick} className='mx_RoomSublist2_showNButton'>
<div onClick={this.onShowAllClick} className={showMoreBtnClasses}>
<span className='mx_RoomSublist2_showMoreButtonChevron mx_RoomSublist2_showNButtonChevron'>
{/* set by CSS masking */}
</span>
@ -386,7 +392,7 @@ export default class RoomSublist2 extends React.Component<IProps, IState> {
);
if (this.props.isMinimized) showLessText = null;
showNButton = (
<div onClick={this.onShowLessClick} className='mx_RoomSublist2_showNButton'>
<div onClick={this.onShowLessClick} className={showMoreBtnClasses}>
<span className='mx_RoomSublist2_showLessButtonChevron mx_RoomSublist2_showNButtonChevron'>
{/* set by CSS masking */}
</span>

14
src/stores/room-list/ListLayout.ts
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@ -18,6 +18,10 @@ import { TagID } from "./models";
const TILE_HEIGHT_PX = 44;
// the .65 comes from the CSS where the show more button is
// mathematically 65% of a tile when floating.
const RESIZER_BOX_FACTOR = 0.65;
interface ISerializedListLayout {
numTiles: number;
showPreviews: boolean;
@ -77,15 +81,13 @@ export class ListLayout {
}
public get minVisibleTiles(): number {
// the .65 comes from the CSS where the show more button is
// mathematically 65% of a tile when floating.
return 1.65;
return 1 + RESIZER_BOX_FACTOR;
}
public get defaultVisibleTiles(): number {
// TODO: Remove dogfood flag
const val = Number(localStorage.getItem("mx_dogfood_rl_defTiles") || 4);
return val + 0.65; // see minVisibleTiles for where the .65 comes from
return val + RESIZER_BOX_FACTOR;
}
public calculateTilesToPixelsMin(maxTiles: number, n: number, possiblePadding: number): number {
@ -99,6 +101,10 @@ export class ListLayout {
return this.tilesToPixels(Math.min(maxTiles, n)) + padding;
}
public tilesWithResizerBoxFactor(n: number): number {
return n + RESIZER_BOX_FACTOR;
}
public tilesWithPadding(n: number, paddingPx: number): number {
return this.pixelsToTiles(this.tilesToPixelsWithPadding(n, paddingPx));
}