fune/toolkit/content/widgets/message-bar.css

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

:host {
  --info-icon-url: url("chrome://global/skin/icons/info-filled.svg");
  --warn-icon-url: url("chrome://global/skin/icons/warning.svg");
  --success-icon-url: url("chrome://global/skin/icons/check.svg");
  --error-icon-url: url("chrome://global/skin/icons/error.svg");
  --close-icon-url: url("chrome://global/skin/icons/close.svg");
  --icon-size: 16px;
  --close-icon-size: 32px;
}

:host([message-bar-type=infobar]) {
  --close-icon-size: 24px;
}

/* MessageBar colors by message type */
/* Colors from: https://design.firefox.com/photon/components/message-bars.html#type-specific-style */

:host {
  --message-bar-background-color: var(--in-content-box-info-background);
  --message-bar-text-color: var(--in-content-text-color);
  --message-bar-icon-url: var(--info-icon-url);
  /* The default values of --in-content-button* are sufficient, even for dark themes */
}

:host([type=warning]:not([message-bar-type=infobar])) {
  --message-bar-background-color: var(--yellow-50);
  --message-bar-text-color: var(--yellow-90);

  --in-content-button-background: var(--yellow-60);
  --in-content-button-background-hover: var(--yellow-70);
  --in-content-button-background-active: var(--yellow-80);
}
:host([type=warning]) {
  --message-bar-icon-url: var(--warn-icon-url);
}

:host([type=success]:not([message-bar-type=infobar])) {
  --message-bar-background-color: var(--green-50);
  --message-bar-text-color: var(--green-90);

  --message-bar-icon-url: var(--success-icon-url);
  --in-content-button-background: var(--green-60);
  --in-content-button-background-hover: var(--green-70);
  --in-content-button-background-active: var(--green-80);
}

:host([type=error]:not([message-bar-type=infobar])) {
  --message-bar-background-color: var(--red-60);
  --message-bar-text-color: #ffffff;

  --in-content-button-background: var(--red-70);
  --in-content-button-background-hover: var(--red-80);
  --in-content-button-background-active: var(--red-90);
}
:host([type=error]),
:host([type=critical]) {
  --message-bar-icon-url: var(--error-icon-url);
}

:host {
  border-radius: 4px;
}

/* Make the host to behave as a block by default, but allow hidden to hide it. */
:host(:not([hidden])) {
  display: block;
}

::slotted(button) {
  /* Enforce micro-button width. */
  min-width: -moz-fit-content !important;
}

/* MessageBar Grid Layout */

.container {
  background: var(--message-bar-background-color);
  color: var(--message-bar-text-color);

  padding: 4px 8px;
  position: relative;

  border-radius: 4px;

  display: flex;
  /* Ensure that the message bar shadow dom elements are vertically aligned. */
  align-items: center;
}

:host([align="center"]) .container {
  justify-content: center;
}

.content {
  margin: 0 4px;
  display: inline-block;
  /* Ensure that the message bar content is vertically aligned. */
  align-items: center;
  /* Ensure that the message bar content is wrapped. */
  word-break: break-word;
}

/* MessageBar icon style */

.icon {
  padding: 4px;
  width: var(--icon-size);
  height: var(--icon-size);
  flex-shrink: 0;
}

.icon::after {
  appearance: none;
  -moz-context-properties: fill, stroke;
  fill: currentColor;
  stroke: currentColor;
  content: var(--message-bar-icon-url);
}

/* Use a spacer to position the close button at the end, but also support
 * centering if required. */
.spacer {
  flex-grow: 1;
}

/* Close icon styles */

:host(:not([dismissable])) .close {
  display: none;
}

.close {
  background-image: var(--close-icon-url);
  background-repeat: no-repeat;
  background-position: center center;
  -moz-context-properties: fill;
  fill: currentColor;
  min-width: auto;
  min-height: auto;
  width: var(--close-icon-size);
  height: var(--close-icon-size);
  margin: 0;
  padding: 0;
  flex-shrink: 0;
}

@media not (prefers-contrast) {
  .container.infobar {
    box-shadow: 0 1px 2px rgba(58, 57, 68, 0.1);
    background: var(--in-content-page-background);
  }

  .close {
    fill: var(--in-content-icon-color);
  }

  @media (prefers-color-scheme: dark) {
    /* Don't set the background in prefers-contrast mode or macOS can end up
     * with black on black text. */
    .container.infobar {
      background: rgb(66,65,77);
    }
  }
}

:host([message-bar-type=infobar]:first-of-type) {
  margin-top: 4px;
}

:host([message-bar-type=infobar]) {
  margin: 0 4px 4px;
}

.container.infobar {
  /* Don't let lwthemes set a text-shadow. */
  text-shadow: none;
  padding: 0;
}

.container.infobar::before {
  content: "";
  display: block;
  width: 2px;
  position: absolute;
  background-image: linear-gradient(0, #9059ff 0%, #ff4aa2 52.08%, #ffbd4f 100%);
  top: 0;
  inset-inline-start: 0;
  height: 100%;
  border-start-start-radius: 4px;
  border-end-start-radius: 4px;
}

.container.infobar {
  align-items: flex-start;
}

/* Infobars styling. */
.notification-content {
  margin: 0;
  margin-inline-start: 8px;
}

.notification-message {
  min-height: 16px; /* min-height: 32px with block padding */
  padding-block: 8px;
  margin-inline-end: 20px;
}

.notification-button-container,
.notification-message {
  display: inline-block;
  vertical-align: middle;
}

.container.infobar > .notification-content > .notification-message img.inline-icon {
  /* Align inline icon images in the message content */
  vertical-align: bottom;
  /* Ensure they get the right fill color. */
  -moz-context-properties: fill;
  fill: currentColor;
}

.close {
  margin: 4px 8px;
  background-size: 16px;
}

.notification-button {
  margin: 4px;
  /* This is supposed to be 6px but then the buttons are 26px tall by default
   * on Windows. Drop it down to 4px (with the 1px border) */
  padding-block: 3px;
}

.notification-button:first-of-type {
  /* When the buttons wrap to their own line we want to match the 8px on the message. */
  margin-inline-start: 0;
}

strong {
  font-weight: 600;
}

.text-link:hover {
  cursor: pointer;
}

.infobar > .icon {
  padding: 0;
  margin: 8px 0;
}

.infobar > .icon,
:host([type=system]) .notification-content {
  margin-inline-start: 16px;
}

:host([type=system]) .icon {
  display: none;
}
:host([type=info]) .icon {
  color: rgb(0,144,237);
}
:host([type=warning]) .icon {
  color: rgb(255,164,54);
}
:host([type=critical]) .icon {
  color: rgb(226,40,80);
}

@media (prefers-color-scheme: dark) {
  :host([type=info]) .icon {
    color: rgb(128,235,255);
  }
  :host([type=warning]) .icon {
    color: rgb(255,189,79);
  }
  :host([type=critical]) .icon {
    color: rgb(255,154,162);
  }
}