@import '../../_coreStyles.scss';
$dividerFullSize: 4px;
$dividerOffset: calc($dividerFullSize / 2);

.vss-Splitter--container {
    flex-grow: 1;
    position: relative;

    .vss-Splitter--pane-fixed {
        flex-grow: 0;
        flex-shrink: 0;
        max-width: 100%;
    }

    .vss-Splitter--pane-flexible {
        // webkit declarations are required for PhantomJs dependent L2 tests
        -webkit-box-flex: 1 1 0%;
        -webkit-flex: 1 1 0%;
        flex: 1 1 0%;
        min-height: 0;
        min-width: 0;
    }

    .vss-Splitter--divider {
        position: relative;
        user-select: none;
        // webkit declarations are required for PhantomJs dependent L2 tests
        -webkit-box-flex: 0 0 $dividerFullSize;
        -webkit-flex: 0 0 $dividerFullSize;
        flex: 0 0 $dividerFullSize;

        @include ms-high-contrast-override {
            &:after {
                background-color: windowText !important;
            }

            &:focus {
                &:after {
                    background-color: highlight;
                }
            }
        }

        &:after {
            content: "";
            position: absolute;
            pointer-events: none;
            user-select: none;
            background-color: $splitterBorderColor;
        }
    }

    .vss-Splitter--drag-placeholder {
        position: absolute;
        background-color: $splitterBorderColor;
        z-index: 1000;
    }

    &.vss-Splitter--container-row {
        // webkit declarations are required for PhantomJs dependent L2 tests
        display: -webkit-box;
        -webkit-flex-direction: row;
        display: flex;
        flex-direction: row;
        flex-wrap: nowrap;

        .vss-Splitter--divider {
            cursor: ew-resize;

            &:after {
                top: 0;
                bottom: 0;
                width: 1px;
                left: 50%;
                transition: 100ms width, 100ms left;
            }

            &:not(.vss-Splitter--divider-dragging):hover:after,
            &:focus:after {
                width: $dividerFullSize;
                left: calc(50% - #{$dividerOffset});
            }
        }

        .vss-Splitter--drag-placeholder {
            height: 100%;
            width: $dividerFullSize;
            cursor: ew-resize;
        }

        .vss-splitter-expand-button {
            margin: auto $spacing-4 $spacing-8 $spacing-4;
        }

        .vss-Splitter--pane-flexible {
            // Disable any min-width styles in the child elements
            width: 0px;
        }
    }

    &.vss-Splitter--container-column {
        // webkit declarations are required for PhantomJs dependent L2 tests
        display: -webkit-box;
        -webkit-flex-direction: column;
        display: flex;
        flex-direction: column;
        flex-wrap: nowrap;

        .vss-Splitter--divider {
            cursor: ns-resize;

            &:after {
                left: 0;
                right: 0;
                height: 1px;
                top: 50%;
                transition: 100ms height, 100ms top;
            }

            &:not(.vss-Splitter--divider-dragging):hover:after,
            &:focus:after {
                height: $dividerFullSize;
                top: calc(50% - #{$dividerOffset});
            }
        }

        .vss-Splitter--drag-placeholder {
            width: 100%;
            height: $dividerFullSize;
            cursor: ns-resize;
        }

        .vss-splitter-expand-button {
            margin: $spacing-4 $spacing-8 $spacing-4 auto;
        }

        .vss-Splitter--pane-flexible {
            // Disable any min-height styles in the child elements
            height: 0px;
        }
    }

    // Prevent iframes in the splitter (e.g. extension hosts) from eating the drag events
    &.vss-Splitter--container-dragging iframe {
        pointer-events: none;
    }
}