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feat: base, Aura and Lumo styles for MessageList attachments #11204

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Merged
jouni merged 4 commits into from
Mar 4, 2026
Merged

feat: base, Aura and Lumo styles for MessageList attachments #11204

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816d0b8
Initial base styles impl
rolfsmeds Feb 25, 2026
4c89ccc
Initial Lumo styles impl
rolfsmeds Feb 25, 2026
a1795d2
Initial Aura styles for message attachments
rolfsmeds Feb 25, 2026
a793456
Refaced Aura attachment styles to use button styles
rolfsmeds Feb 25, 2026
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1 change: 1 addition & 0 deletions packages/aura/aura.css
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
@import './src/components/master-detail-layout.css';
@import './src/components/menu-bar.css';
@import './src/components/message-input.css';
@import './src/components/message-list.css';
@import './src/components/multi-select-combo-box.css';
@import './src/components/notification.css';
@import './src/components/overlay.css';
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1 change: 1 addition & 0 deletions packages/aura/src/color.css
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Original file line number Diff line number Diff line change
Expand Up @@ -63,6 +63,7 @@ vaadin-crud-edit,
vaadin-drawer-toggle,
vaadin-menu-bar-button,
vaadin-menu-bar-item,
vaadin-message::part(attachment),
vaadin-notification-container,
vaadin-notification-card,
vaadin-notification-card::part(overlay),
Expand Down
10 changes: 10 additions & 0 deletions packages/aura/src/components/button.css
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Expand Up @@ -3,6 +3,7 @@
--vaadin-button-shadow: var(--aura-shadow-xs);
}

vaadin-message::part(attachment),
:is(vaadin-button, vaadin-upload-button, vaadin-menu-bar-button, vaadin-drawer-toggle, vaadin-crud-edit) {
transition: scale 180ms;
position: relative;
Expand All @@ -14,6 +15,7 @@ vaadin-drawer-toggle[theme~='tertiary']::part(icon) {
opacity: 0.6;
}

vaadin-message::part(attachment),
:is(vaadin-button, vaadin-upload-button, vaadin-menu-bar-button, vaadin-drawer-toggle, vaadin-crud-edit):where(
:not([theme~='tertiary'])
) {
Expand All @@ -23,11 +25,13 @@ vaadin-drawer-toggle[theme~='tertiary']::part(icon) {
}

/* prettier-ignore */
vaadin-message::part(attachment),
:is(vaadin-button, vaadin-upload-button, vaadin-menu-bar-button, vaadin-drawer-toggle, vaadin-crud-edit):not([theme~='primary'], [theme~='tertiary']) {
background: var(--vaadin-button-background, var(--_background));
border-color: var(--vaadin-button-border-color, var(--aura-accent-border-color));
}

vaadin-message::part(attachment),
:is(vaadin-button, vaadin-upload-button, vaadin-menu-bar-button, vaadin-drawer-toggle, vaadin-crud-edit):where(
:not([theme~='primary'])
) {
Expand Down Expand Up @@ -75,6 +79,7 @@ vaadin-menu-bar-button[aria-haspopup='true']:not([slot='overflow']) {
color: color-mix(in srgb, currentColor 50%, transparent);
}

vaadin-message::part(attachment)::before,
:is(vaadin-button, vaadin-upload-button, vaadin-menu-bar-button, vaadin-drawer-toggle, vaadin-crud-edit):not(
[disabled]
)::before {
Expand All @@ -91,6 +96,7 @@ vaadin-menu-bar-button[aria-haspopup='true']:not([slot='overflow']) {
}

@supports (color: hsl(0 0 0)) {
vaadin-message::part(attachment)::before,
:is(vaadin-button, vaadin-upload-button, vaadin-menu-bar-button, vaadin-drawer-toggle, vaadin-crud-edit):not(
[disabled]
)::before {
Expand All @@ -100,6 +106,7 @@ vaadin-menu-bar-button[aria-haspopup='true']:not([slot='overflow']) {

@media (any-hover: hover) {
/* prettier-ignore */
vaadin-message::part(attachment):hover:not(:active)::before,
:is(vaadin-button, vaadin-upload-button, vaadin-menu-bar-button, vaadin-drawer-toggle, vaadin-crud-edit):hover:not([disabled], [active])::before {
opacity: 0.03;
}
Expand All @@ -112,18 +119,21 @@ vaadin-menu-bar-button[aria-haspopup='true']:not([slot='overflow']) {

@media (min-resolution: 2x) {
/* prettier-ignore */
vaadin-message::part(attachment):active,
:is(vaadin-button, vaadin-upload-button, vaadin-menu-bar-button[first-visible][last-visible], vaadin-drawer-toggle)[active]:not([disabled], [aria-disabled='true']) {
scale: 0.98;
transition-duration: 50ms;
}
}

vaadin-message::part(attachment):active,
:is(vaadin-button, vaadin-upload-button, vaadin-menu-bar-button, vaadin-drawer-toggle, vaadin-crud-edit)[active]:not(
[disabled]
) {
box-shadow: none;
}

vaadin-message::part(attachment):active::before,
:is(vaadin-button, vaadin-upload-button, vaadin-menu-bar-button, vaadin-drawer-toggle, vaadin-crud-edit)[active]:not(
[disabled]
)::before {
Expand Down
17 changes: 17 additions & 0 deletions packages/aura/src/components/message-list.css
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Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
vaadin-message::part(attachment) {
padding: 0 var(--vaadin-padding-xs) 0 0;
overflow: hidden;
border-width: 1px;
border-style: solid;
border-color: var(--vaadin-button-border-color, var(--aura-accent-border-color));
min-height: var(--_prefix-area-size);
border-radius: var(--vaadin-radius-m);
}

vaadin-message::part(attachment-image) {
padding: 0;
}

vaadin-message::part(attachment-preview) {
object-fit: cover;
}
54 changes: 32 additions & 22 deletions packages/message-list/src/styles/vaadin-message-base-styles.js
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Expand Up @@ -70,46 +70,56 @@ export const messageStyles = css`
[part='attachments'] {
display: flex;
flex-wrap: wrap;
gap: 6px;
gap: var(--vaadin-gap-s);
}

[part~='attachment'] {
display: inline-flex;
--_prefix-area-size: 2rem;
display: inline-grid;
grid-template-columns: var(--_prefix-area-size) auto;
align-items: center;
background: var(--vaadin-background-container);
color: inherit;
background: none;
border: none;
padding: 0;
margin: 0;
font: inherit;
cursor: pointer;
text-align: start;
}

[part~='attachment-image'] [part='attachment-preview'] {
display: block;
max-width: 200px;
max-height: 150px;
}

[part~='attachment-file'] {
gap: 6px;
}

[part='attachment-icon'] {
display: inline-block;
width: 1em;
height: 1em;
background: currentColor;
mask-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M15 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V7Z"/><path d="M14 2v4a2 2 0 0 0 2 2h4"/></svg>');
mask-size: contain;
mask-repeat: no-repeat;
flex-shrink: 0;
width: 100%;
aspect-ratio: 1 / 1;
align-items: center;
justify-content: center;
grid-column: 1;
text-align: center;

&::before {
/* TODO: Replace with vaadin file icon, once it exists. */
content: '';
display: inline-flex;
align-items: center;
flex: none;
height: var(--vaadin-icon-size, 1lh);
width: var(--vaadin-icon-size, 1lh);
mask-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M15 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V7Z"/><path d="M14 2v4a2 2 0 0 0 2 2h4"/></svg>');
mask-size: contain;
background: currentColor;
}
}

[part='attachment-preview'] {
grid-column: 1;
width: 100%;
aspect-ratio: 1 / 1;
}

[part='attachment-name'] {
grid-column: 2;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
margin-inline-end: var(--vaadin-padding-s);
}
`;
66 changes: 66 additions & 0 deletions packages/vaadin-lumo-styles/src/components/message.css
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Expand Up @@ -54,4 +54,70 @@
:host([focus-ring]) {
box-shadow: inset 0 0 0 var(--_focus-ring-width) var(--_focus-ring-color);
}

[part='attachments'] {
margin-block: var(--lumo-space-xs);
}

[part~='attachment'] {
--_prefix-area-size: var(--lumo-size-m);
min-width: var(--_prefix-area-size);
color: var(--lumo-body-text-color);
min-height: var(--_prefix-area-size);
border-radius: var(--lumo-border-radius-l);
overflow: hidden;
position: relative;

& [part='attachment-icon'] {
color: var(--lumo-secondary-text-color);
background: var(--lumo-contrast-5pct);
display: flex;
align-items: center;
justify-content: center;

&::before {
height: var(--lumo-icon-size-s);
width: var(--lumo-icon-size-s);
}
}

& [part='attachment-preview'] {
width: var(--_prefix-area-size);
object-fit: cover;
}

& [part='attachment-name'] {
margin-inline: var(--lumo-space-s);
font-size: var(--lumo-font-size-xs);
}

&::after {
content: '';
position: absolute;
z-index: 1;
inset: 0;
background: currentColor;
border-radius: inherit;
opacity: 0;
pointer-events: none;
filter: blur(8px);
}

&:hover::after {
opacity: 0.02;
}

&:focus {
outline: none;
box-shadow:
0 0 0 calc(1px * var(--_focus-ring-gap-on, 0)) var(--_focus-ring-gap-color, var(--lumo-base-color)),
0 0 0 calc(var(--_focus-ring-width) + 1px * var(--_focus-ring-gap-on, 0)) var(--_focus-ring-color);
}

&:active::after {
opacity: 0.1;
transition-duration: 0s, 0s;
transform: scale(0);
}
}
}