element-web/res/css/views/rooms/_RoomSublist2.scss

/*
Copyright 2020 The Matrix.org Foundation C.I.C.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

// TODO: Rename to mx_RoomSublist during replacement of old component

// TODO: Just use the 3 selectors we need from this instead of importing it.
// We're going to end up with heavy modifications anyways.
@import "../../../../node_modules/react-resizable/css/styles.css";

.mx_RoomSublist2 {
    // The sublist is a column of rows, essentially
    display: flex;
    flex-direction: column;

    margin-left: 8px;
    margin-top: 12px;
    margin-bottom: 12px;

    .mx_RoomSublist2_headerContainer {
        // Create a flexbox to make ordering easy
        display: flex;
        align-items: center;

        .mx_RoomSublist2_badgeContainer {
            opacity: 0.8;
            padding-right: 7px;

            // Create another flexbox row because it's super easy to position the badge at
            // the end this way.
            display: flex;
            align-items: center;
            justify-content: flex-end;
        }

        // Both of these buttons are hidden by default until the list is hovered
        .mx_RoomSublist2_auxButton,
        .mx_RoomSublist2_menuButton {
            width: 0;
            margin: 0;
            visibility: hidden;
            position: relative;

            &::before {
                content: '';
                width: 16px;
                height: 16px;
                position: absolute;
                top: 4px;
                left: 4px;
                mask-position: center;
                mask-size: contain;
                mask-repeat: no-repeat;
                background: $muted-fg-color;
            }
        }

        .mx_RoomSublist2_auxButton::before {
            mask-image: url('$(res)/img/feather-customised/plus.svg');
        }

        .mx_RoomSublist2_menuButton::before {
            mask-image: url('$(res)/img/feather-customised/more-horizontal.svg');
        }

        .mx_RoomSublist2_headerText {
            text-transform: uppercase;
            opacity: 0.5;
            line-height: $font-16px;
            font-size: $font-12px;
            padding-bottom: 8px;

            width: 100%;
            flex: 1;

            // Ellipsize any text overflow
            text-overflow: ellipsis;
            overflow: hidden;
            white-space: nowrap;
        }
    }

    .mx_RoomSublist2_resizeBox {
        // Create another flexbox column for the tiles
        display: flex;
        flex-direction: column;
        overflow: hidden;

        .mx_RoomSublist2_showMoreButton {
            height: 44px; // 1 room tile high
            cursor: pointer;

            // We create a flexbox to cheat at alignment
            display: flex;
            align-items: center;
        }
    }

    &:hover, &.mx_RoomSublist2_hasMenuOpen {
        .mx_RoomSublist2_headerContainer {
            // If the header doesn't have an aux button we still need to hide the badge for
            // the menu button.
            .mx_RoomSublist2_badgeContainer {
                // Completely hide the badge
                width: 0;
                margin: 0;
                visibility: hidden;
            }

            &:not(.mx_RoomSublist2_headerContainer_withAux) {
                // The menu button will be the rightmost button, so make it correctly aligned.
                .mx_RoomSublist2_menuButton {
                    margin-right: 16px;
                }
            }

            // Both of these buttons have circled backgrounds and are visible at this point,
            // so make them so.
            .mx_RoomSublist2_auxButton,
            .mx_RoomSublist2_menuButton {
                width: 24px;
                height: 24px;
                border-radius: 32px;
                margin-left: 16px;
                background-color: #fff; // TODO: Variable and theme
                visibility: visible;
            }
        }
    }
}

// We have a hover style on the room list with no specific list hovered, so account for that
.mx_RoomList2:hover .mx_RoomSublist2,
.mx_RoomSublist2_hasMenuOpen {
    .mx_RoomSublist2_headerContainer_withAux {
        .mx_RoomSublist2_badgeContainer {
            // Completely hide the badge
            width: 0;
            margin: 0;
            visibility: hidden;
        }

        .mx_RoomSublist2_auxButton {
            // Show the aux button, but not the list button
            width: 24px;
            height: 24px;
            margin-right: 16px;
            visibility: visible;
        }
    }
}

.mx_RoomSublist2_contextMenu {
    padding: 20px 16px;
    width: 250px;

    hr {
        margin-top: 16px;
        margin-bottom: 16px;
        margin-right: 16px; // additional 16px
        border: 1px solid $roomsublist2-divider-color;
    }

    .mx_RoomSublist2_contextMenu_title {
        font-size: $font-15px;
        line-height: $font-20px;
        font-weight: 600;
        margin-bottom: 12px;
    }
}