From 086c044dc34dfc0f74fbe41f4ecb402b2cd34884 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 03:13:33 +0200
Subject: Merging upstream version 125.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../widgets/moz-page-nav/moz-page-nav-button.css   | 123 +++++++++++++++
 .../content/widgets/moz-page-nav/moz-page-nav.css  |  76 +++++++++
 .../content/widgets/moz-page-nav/moz-page-nav.mjs  | 170 +++++++++++++++++++++
 .../widgets/moz-page-nav/moz-page-nav.stories.mjs  |  77 ++++++++++
 4 files changed, 446 insertions(+)
 create mode 100644 toolkit/content/widgets/moz-page-nav/moz-page-nav-button.css
 create mode 100644 toolkit/content/widgets/moz-page-nav/moz-page-nav.css
 create mode 100644 toolkit/content/widgets/moz-page-nav/moz-page-nav.mjs
 create mode 100644 toolkit/content/widgets/moz-page-nav/moz-page-nav.stories.mjs

(limited to 'toolkit/content/widgets/moz-page-nav')

diff --git a/toolkit/content/widgets/moz-page-nav/moz-page-nav-button.css b/toolkit/content/widgets/moz-page-nav/moz-page-nav-button.css
new file mode 100644
index 0000000000..2975bb1a7c
--- /dev/null
+++ b/toolkit/content/widgets/moz-page-nav/moz-page-nav-button.css
@@ -0,0 +1,123 @@
+/* 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 {
+  border-radius: var(--border-radius-small);
+  &:focus-visible {
+    outline-offset: var(--page-nav-focus-outline-inset);
+  }
+}
+
+button {
+  background-color: var(--page-nav-button-background-color);
+  border: 1px solid var(--page-nav-border-color);
+  -moz-context-properties: fill, fill-opacity;
+  fill: currentColor;
+  display: grid;
+  grid-template-columns: min-content 1fr;
+  gap: 12px;
+  align-items: center;
+  font-size: inherit;
+  width: 100%;
+  font-weight: normal;
+  border-radius: var(--page-nav-button-border-radius);
+  color: var(--page-nav-button-text-color);
+  text-align: start;
+  transition: background-color 150ms;
+  padding: var(--page-nav-button-padding);
+}
+
+button:hover {
+  cursor: pointer;
+}
+
+@media not (prefers-contrast) {
+  button {
+    border-inline-start: 2px solid transparent;
+    border-inline-end: none;
+    border-block: none;
+  }
+
+  button:hover,
+  button[selected]:hover {
+    background-color: var(--page-nav-button-background-color-hover);
+  }
+
+  button[selected]:hover {
+    border-inline-start-color: inherit;
+  }
+
+  button[selected],
+  button[selected]:hover {
+    border-inline-start: 2px solid;
+  }
+
+  button[selected]:not(:focus-visible) {
+    border-start-start-radius: 0;
+    border-end-start-radius: 0;
+  }
+
+  button[selected]:not(:hover) {
+    color: var(--color-accent-primary);
+    background-color: color-mix(in srgb, var(--page-nav-button-background-color-selected) 5%, transparent);
+    border-inline-start-color: var(--color-accent-primary);
+  }
+}
+
+@media (prefers-color-scheme: dark) {
+  button[selected] {
+    background-color: color-mix(in srgb, var(--page-nav-button-background-color-selected) 12%, transparent);
+  }
+}
+
+button:focus-visible,
+button[selected]:focus-visible {
+  outline: var(--focus-outline);
+  outline-offset: var(--focus-outline-offset);
+  border-radius: var(--border-radius-small);
+}
+
+.page-nav-icon {
+  height: 20px;
+  width: 20px;
+  -moz-context-properties: fill;
+  fill: currentColor;
+}
+
+@media (prefers-contrast) {
+  button {
+    transition: none;
+    border-color: ButtonText;
+    background-color: var(--button-background-color);
+  }
+
+  button:hover {
+    color: SelectedItem;
+  }
+
+  button[selected] {
+    color: SelectedItemText;
+    background-color: SelectedItem;
+    border-color: SelectedItem;
+  }
+}
+
+slot {
+  font-size: var(--font-size-large);
+  margin: 0;
+  padding-inline-start: 0;
+  user-select: none;
+}
+
+@media (max-width: 52rem) {
+  button {
+    grid-template-columns: min-content;
+    justify-content: center;
+    margin-inline: 0;
+  }
+
+  slot {
+    display: none;
+  }
+}
diff --git a/toolkit/content/widgets/moz-page-nav/moz-page-nav.css b/toolkit/content/widgets/moz-page-nav/moz-page-nav.css
new file mode 100644
index 0000000000..49000f622d
--- /dev/null
+++ b/toolkit/content/widgets/moz-page-nav/moz-page-nav.css
@@ -0,0 +1,76 @@
+/* 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 {
+  --page-nav-button-border-radius: var(--button-border-radius);
+  --page-nav-button-text-color: var(--button-text-color);
+  --page-nav-button-background-color: transparent;
+  --page-nav-button-background-color-hover: var(--button-background-color-hover);
+  --page-nav-button-background-color-selected: var(--color-accent-primary);
+  --page-nav-button-padding: var(--space-small);
+  --page-nav-margin-top: 72px;
+  --page-nav-margin-bottom: 36px;
+  --page-nav-gap: 25px;
+  --page-nav-button-gap: var(--space-xsmall);
+  --page-nav-border-color: var(--border-color);
+  --page-nav-focus-outline-inset: var(--focus-outline-inset);
+  --page-nav-width: 240px;
+  margin-inline-start: 42px;
+  position: sticky;
+  top: 0;
+  height: 100vh;
+  width: var(--page-nav-width);
+
+  @media (prefers-reduced-motion) {
+    /* (See Bug 1610081) Setting border-inline-end to add clear differentiation between side navigation and main content area */
+    border-inline-end: 1px solid var(--page-nav-border-color);
+  }
+
+  @media (max-width: 52rem) {
+    grid-template-rows: 1fr auto;
+    --page-nav-width: 118px;
+  }
+}
+
+nav {
+  display: grid;
+  grid-template-rows: min-content 1fr auto;
+  gap: var(--page-nav-gap);
+  margin-block: var(--page-nav-margin-top) var(--page-nav-margin-bottom);
+  height: calc(100vh - var(--page-nav-margin-top) - var(--page-nav-margin-bottom));
+  @media (max-width: 52rem) {
+    grid-template-rows: 1fr auto;
+  }
+}
+
+.page-nav-header {
+  /* Align the header text/icon with the page nav button icons */
+  margin-inline-start: var(--page-nav-button-padding);
+  font-size: var(--font-size-xlarge);
+  font-weight: var(--font-weight-bold);
+  margin-block: 0;
+
+  @media (max-width: 52rem) {
+    display: none;
+  }
+}
+
+.primary-nav-group,
+#secondary-nav-group {
+  display: grid;
+  grid-template-columns: 1fr;
+  grid-auto-rows: min-content;
+  gap: var(--page-nav-button-gap);
+
+  @media (max-width: 52rem) {
+    justify-content: center;
+    grid-template-columns: min-content;
+  }
+}
+
+@media (prefers-contrast) {
+  .primary-nav-group {
+    gap: var(--space-small);
+  }
+}
diff --git a/toolkit/content/widgets/moz-page-nav/moz-page-nav.mjs b/toolkit/content/widgets/moz-page-nav/moz-page-nav.mjs
new file mode 100644
index 0000000000..f998ee735f
--- /dev/null
+++ b/toolkit/content/widgets/moz-page-nav/moz-page-nav.mjs
@@ -0,0 +1,170 @@
+/* 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/. */
+
+import { html } from "chrome://global/content/vendor/lit.all.mjs";
+import { MozLitElement } from "chrome://global/content/lit-utils.mjs";
+
+/**
+ * A grouping of navigation buttons that is displayed at the page level,
+ * intended to change the selected view, provide a heading, and have links
+ * to external resources.
+ *
+ * @tagname moz-page-nav
+ * @property {string} currentView - The currently selected view.
+ * @property {string} heading - A heading to be displayed at the top of the navigation.
+ * @slot [default] - Used to append moz-page-nav-button elements to the navigation.
+ */
+export default class MozPageNav extends MozLitElement {
+  static properties = {
+    currentView: { type: String },
+    heading: { type: String },
+  };
+
+  static queries = {
+    headingEl: "#page-nav-header",
+    primaryNavGroupSlot: ".primary-nav-group slot",
+    secondaryNavGroupSlot: "#secondary-nav-group slot",
+  };
+
+  get pageNavButtons() {
+    return this.primaryNavGroupSlot
+      .assignedNodes()
+      .filter(
+        node => node?.localName === "moz-page-nav-button" && !node.hidden
+      );
+  }
+
+  onChangeView(e) {
+    this.currentView = e.target.view;
+  }
+
+  handleFocus(e) {
+    if (e.key == "ArrowDown" || e.key == "ArrowRight") {
+      e.preventDefault();
+      this.focusNextView();
+    } else if (e.key == "ArrowUp" || e.key == "ArrowLeft") {
+      e.preventDefault();
+      this.focusPreviousView();
+    }
+  }
+
+  focusPreviousView() {
+    let pageNavButtons = this.pageNavButtons;
+    let currentIndex = pageNavButtons.findIndex(b => b.selected);
+    let prev = pageNavButtons[currentIndex - 1];
+    if (prev) {
+      prev.activate();
+      prev.buttonEl.focus();
+    }
+  }
+
+  focusNextView() {
+    let pageNavButtons = this.pageNavButtons;
+    let currentIndex = pageNavButtons.findIndex(b => b.selected);
+    let next = pageNavButtons[currentIndex + 1];
+    if (next) {
+      next.activate();
+      next.buttonEl.focus();
+    }
+  }
+
+  render() {
+    return html`
+      <link
+        rel="stylesheet"
+        href="chrome://global/content/elements/moz-page-nav.css"
+      />
+      <nav>
+        <h1 class="page-nav-header" id="page-nav-header">${this.heading}</h1>
+        <div
+          class="primary-nav-group"
+          role="tablist"
+          aria-orientation="vertical"
+          aria-labelledby="page-nav-header"
+        >
+          <slot
+            @change-view=${this.onChangeView}
+            @keydown=${this.handleFocus}
+          ></slot>
+        </div>
+        <div id="secondary-nav-group" role="group">
+          <slot name="secondary-nav" @keydown=${this.handleFocus}></slot>
+        </div>
+      </nav>
+    `;
+  }
+
+  updated() {
+    let isViewSelected = false;
+    let assignedPageNavButtons = this.pageNavButtons;
+    for (let button of assignedPageNavButtons) {
+      button.selected = button.view == this.currentView;
+      isViewSelected = isViewSelected || button.selected;
+    }
+    if (!isViewSelected && assignedPageNavButtons.length) {
+      // Current page nav has no matching view, reset to the first view.
+      assignedPageNavButtons[0].activate();
+    }
+  }
+}
+customElements.define("moz-page-nav", MozPageNav);
+
+/**
+ * A navigation button intended to change the selected view within a page.
+ *
+ * @tagname moz-page-nav-button
+ * @property {string} iconSrc - The chrome:// url for the icon used for the button.
+ * @property {string} l10nId - The fluent ID for the button's text
+ * @property {boolean} selected - Whether or not the button is currently selected.
+ * @slot [default] - Used to append the l10n string to the button.
+ */
+export class MozPageNavButton extends MozLitElement {
+  static properties = {
+    iconSrc: { type: String },
+    l10nId: { type: String },
+    selected: { type: Boolean },
+  };
+
+  connectedCallback() {
+    super.connectedCallback();
+    this.setAttribute("role", "none");
+  }
+
+  static queries = {
+    buttonEl: "button",
+  };
+
+  get view() {
+    return this.getAttribute("view");
+  }
+
+  activate() {
+    this.dispatchEvent(
+      new CustomEvent("change-view", {
+        bubbles: true,
+        composed: true,
+      })
+    );
+  }
+
+  render() {
+    return html`
+      <link
+        rel="stylesheet"
+        href="chrome://global/content/elements/moz-page-nav-button.css"
+      />
+      <button
+        aria-selected=${this.selected}
+        tabindex=${this.selected ? 0 : -1}
+        role="tab"
+        ?selected=${this.selected}
+        @click=${this.activate}
+      >
+        <img class="page-nav-icon" src=${this.iconSrc} />
+        <slot></slot>
+      </button>
+    `;
+  }
+}
+customElements.define("moz-page-nav-button", MozPageNavButton);
diff --git a/toolkit/content/widgets/moz-page-nav/moz-page-nav.stories.mjs b/toolkit/content/widgets/moz-page-nav/moz-page-nav.stories.mjs
new file mode 100644
index 0000000000..4ac7b455cf
--- /dev/null
+++ b/toolkit/content/widgets/moz-page-nav/moz-page-nav.stories.mjs
@@ -0,0 +1,77 @@
+/* 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/. */
+
+import { html } from "../vendor/lit.all.mjs";
+// eslint-disable-next-line import/no-unassigned-import
+import "./moz-page-nav.mjs";
+
+export default {
+  title: "UI Widgets/Page Nav",
+  component: "moz-page-nav",
+  parameters: {
+    status: "in-development",
+    actions: {
+      handles: ["change-view"],
+    },
+    fluent: `
+moz-page-nav-button-one = View 1
+  .title = View 1
+moz-page-nav-button-two = View 2
+  .title = View 2
+moz-page-nav-button-three = View 3
+  .title = View 3
+moz-page-link-one = Support Page
+  .title = Support Page
+moz-page-nav-heading =
+  .heading = Heading
+     `,
+  },
+};
+
+const Template = () => html`
+  <style>
+    #page {
+      height: 100%;
+      display: flex;
+
+      @media (max-width: 52rem) {
+        grid-template-columns: 82px 1fr;
+      }
+    }
+    moz-page-nav {
+      margin-inline-start: 10px;
+      --page-nav-margin-top: 10px;
+
+      @media (max-width: 52rem) {
+        margin-inline-start: 0;
+      }
+    }
+  </style>
+  <div id="page">
+    <moz-page-nav data-l10n-id="moz-page-nav-heading" data-l10n-attrs="heading">
+      <moz-page-nav-button
+        view="view-one"
+        data-l10n-id="moz-page-nav-button-one"
+        iconSrc="chrome://browser/skin/preferences/category-general.svg"
+      >
+      </moz-page-nav-button>
+      <moz-page-nav-button
+        view="view-two"
+        data-l10n-id="moz-page-nav-button-two"
+        iconSrc="chrome://browser/skin/preferences/category-general.svg"
+      >
+      </moz-page-nav-button>
+      <moz-page-nav-button
+        view="view-three"
+        data-l10n-id="moz-page-nav-button-three"
+        iconSrc="chrome://browser/skin/preferences/category-general.svg"
+      >
+      </moz-page-nav-button>
+    </moz-page-nav>
+    <main></main>
+  </div>
+`;
+
+export const Default = Template.bind({});
+Default.args = {};
-- 
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