first commit

web/message_bar.css

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+/* Copyright 2024 Mozilla Foundation
+ *
+ * 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.
+ */
+
+.messageBar {
+  --closing-button-icon: url(images/messageBar_closingButton.svg);
+  --message-bar-close-button-color: var(--text-primary-color);
+  --message-bar-close-button-color-hover: var(--text-primary-color);
+  --message-bar-close-button-border-radius: 4px;
+  --message-bar-close-button-border: none;
+  --message-bar-close-button-hover-bg-color: light-dark(
+    rgb(21 20 26 / 0.14),
+    rgb(251 251 254 / 0.14)
+  );
+  --message-bar-close-button-active-bg-color: light-dark(
+    rgb(21 20 26 / 0.21),
+    rgb(251 251 254 / 0.21)
+  );
+  --message-bar-close-button-focus-bg-color: light-dark(
+    rgb(21 20 26 / 0.07),
+    rgb(251 251 254 / 0.07)
+  );
+
+  @media screen and (forced-colors: active) {
+    --message-bar-close-button-color: ButtonText;
+    --message-bar-close-button-border: 1px solid ButtonText;
+    --message-bar-close-button-hover-bg-color: ButtonText;
+    --message-bar-close-button-active-bg-color: ButtonText;
+    --message-bar-close-button-focus-bg-color: ButtonText;
+    --message-bar-close-button-color-hover: HighlightText;
+  }
+
+  display: flex;
+  position: relative;
+  padding: 8px 8px 8px 16px;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  gap: 8px;
+  user-select: none;
+
+  border-radius: 4px;
+
+  border: 1px solid var(--message-bar-border-color);
+  background: var(--message-bar-bg-color);
+  color: var(--message-bar-fg-color);
+
+  > div {
+    display: flex;
+    align-items: flex-start;
+    gap: 8px;
+    align-self: stretch;
+
+    &::before {
+      content: "";
+      display: inline-block;
+      width: 16px;
+      height: 16px;
+      mask-image: var(--message-bar-icon);
+      mask-size: cover;
+      background-color: var(--message-bar-icon-color);
+      flex-shrink: 0;
+    }
+  }
+
+  button {
+    cursor: pointer;
+
+    &:focus-visible {
+      outline: var(--focus-ring-outline);
+      outline-offset: 2px;
+    }
+  }
+
+  .closeButton {
+    width: 32px;
+    height: 32px;
+    background: none;
+    border-radius: var(--message-bar-close-button-border-radius);
+    border: var(--message-bar-close-button-border);
+
+    display: flex;
+    align-items: center;
+    justify-content: center;
+
+    &::before {
+      content: "";
+      display: inline-block;
+      width: 16px;
+      height: 16px;
+      mask-image: var(--closing-button-icon);
+      mask-size: cover;
+      background-color: var(--message-bar-close-button-color);
+    }
+
+    &:is(:hover, :active, :focus)::before {
+      background-color: var(--message-bar-close-button-color-hover);
+    }
+
+    &:hover {
+      background-color: var(--message-bar-close-button-hover-bg-color);
+    }
+
+    &:active {
+      background-color: var(--message-bar-close-button-active-bg-color);
+    }
+
+    &:focus {
+      background-color: var(--message-bar-close-button-focus-bg-color);
+    }
+
+    > span {
+      display: inline-block;
+      width: 0;
+      height: 0;
+      overflow: hidden;
+    }
+  }
+}
+
+#editorUndoBar {
+  --text-primary-color: light-dark(#15141a, #fbfbfe);
+
+  --message-bar-icon: url(images/messageBar_info.svg);
+  --message-bar-icon-color: light-dark(#0060df, #73a7f3);
+  --message-bar-bg-color: light-dark(#deeafc, #003070);
+  --message-bar-fg-color: var(--text-primary-color);
+  --message-bar-border-color: light-dark(
+    rgb(0 0 0 / 0.08),
+    rgb(255 255 255 / 0.08)
+  );
+
+  --undo-button-bg-color: light-dark(
+    rgb(21 20 26 / 0.07),
+    rgb(255 255 255 / 0.08)
+  );
+  --undo-button-bg-color-hover: light-dark(
+    rgb(21 20 26 / 0.14),
+    rgb(255 255 255 / 0.14)
+  );
+  --undo-button-bg-color-active: light-dark(
+    rgb(21 20 26 / 0.21),
+    rgb(255 255 255 / 0.21)
+  );
+
+  --undo-button-border: 1px solid light-dark(#0060df, #0df);
+
+  --undo-button-fg-color: var(--message-bar-fg-color);
+  --undo-button-fg-color-hover: var(--undo-button-fg-color);
+  --undo-button-fg-color-active: var(--undo-button-fg-color);
+
+  @media screen and (forced-colors: active) {
+    --text-primary-color: CanvasText;
+
+    --message-bar-icon-color: CanvasText;
+    --message-bar-bg-color: Canvas;
+    --message-bar-border-color: CanvasText;
+
+    --undo-button-bg-color: ButtonText;
+    --undo-button-bg-color-hover: SelectedItem;
+    --undo-button-bg-color-active: SelectedItem;
+
+    --undo-button-fg-color: ButtonFace;
+    --undo-button-fg-color-hover: SelectedItemText;
+    --undo-button-fg-color-active: SelectedItemText;
+
+    --undo-button-border: none;
+  }
+
+  position: fixed;
+  top: 50px;
+  left: 50%;
+  transform: translateX(-50%);
+  z-index: 10;
+
+  padding-block: 8px;
+  padding-inline: 16px 8px;
+
+  font: menu;
+  font-size: 15px;
+
+  cursor: default;
+
+  button {
+    cursor: pointer;
+  }
+
+  #editorUndoBarUndoButton {
+    border-radius: 4px;
+    font-weight: 590;
+    line-height: 19.5px;
+    color: var(--undo-button-fg-color);
+    border: var(--undo-button-border);
+    padding: 4px 16px;
+    margin-inline-start: 8px;
+    height: 32px;
+
+    background-color: var(--undo-button-bg-color);
+
+    &:hover {
+      background-color: var(--undo-button-bg-color-hover);
+      color: var(--undo-button-fg-color-hover);
+    }
+
+    &:active {
+      background-color: var(--undo-button-bg-color-active);
+      color: var(--undo-button-fg-color-active);
+    }
+  }
+
+  > div {
+    align-items: center;
+  }
+}