Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 177 insertions, 0 deletions

diff --git a/toolkit/content/widgets/moz-button-group/moz-button-group.css b/toolkit/content/widgets/moz-button-group/moz-button-group.css
new file mode 100644
index 0000000000..f0cc0e5480
--- /dev/null
+++ b/toolkit/content/widgets/moz-button-group/moz-button-group.css
@@ -0,0 +1,13 @@
+/* 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 {
+  display: flex;
+  gap: 8px;
+  justify-content: flex-end;
+}
+
+::slotted(button) {
+  margin: 0 !important;
+}
diff --git a/toolkit/content/widgets/moz-button-group/moz-button-group.mjs b/toolkit/content/widgets/moz-button-group/moz-button-group.mjs
new file mode 100644
index 0000000000..04c75e5d10
--- /dev/null
+++ b/toolkit/content/widgets/moz-button-group/moz-button-group.mjs
@@ -0,0 +1,107 @@
+/* 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";
+
+export const PLATFORM_LINUX = "linux";
+export const PLATFORM_MACOS = "macosx";
+export const PLATFORM_WINDOWS = "win";
+
+/**
+ * A grouping of buttons. Primary button order will be set automatically based
+ * on class="primary", type="submit" or autofocus attribute. Set slot="primary"
+ * on a primary button that does not have primary styling to set its position.
+ *
+ * @tagname moz-button-group
+ * @property {string} platform - The detected platform, set automatically.
+ */
+export default class MozButtonGroup extends MozLitElement {
+  static queries = {
+    defaultSlotEl: "slot:not([name])",
+    primarySlotEl: "slot[name=primary]",
+  };
+
+  static properties = {
+    platform: { state: true },
+  };
+
+  // Use a relative URL in storybook to get faster reloads on style changes.
+  static stylesheetUrl = window.IS_STORYBOOK
+    ? "./moz-button-group/moz-button-group.css"
+    : "chrome://global/content/elements/moz-button-group.css";
+
+  constructor() {
+    super();
+    this.#detectPlatform();
+  }
+
+  #detectPlatform() {
+    if (typeof AppConstants !== "undefined") {
+      this.platform = AppConstants.platform;
+    } else if (navigator.platform.includes("Linux")) {
+      this.platform = PLATFORM_LINUX;
+    } else if (navigator.platform.includes("Mac")) {
+      this.platform = PLATFORM_MACOS;
+    } else {
+      this.platform = PLATFORM_WINDOWS;
+    }
+  }
+
+  onSlotchange(e) {
+    for (let child of this.defaultSlotEl.assignedNodes()) {
+      if (!(child instanceof Element)) {
+        // Text nodes won't support classList or getAttribute.
+        continue;
+      }
+      // Bug 1791816: These should check moz-button instead of button.
+      if (
+        child.localName == "button" &&
+        (child.classList.contains("primary") ||
+          child.getAttribute("type") == "submit" ||
+          child.hasAttribute("autofocus") ||
+          child.hasAttribute("default"))
+      ) {
+        child.slot = "primary";
+      }
+    }
+    this.#reorderLightDom();
+  }
+
+  #reorderLightDom() {
+    let primarySlottedChildren = [...this.primarySlotEl.assignedNodes()];
+    if (this.platform == PLATFORM_WINDOWS) {
+      primarySlottedChildren.reverse();
+      for (let child of primarySlottedChildren) {
+        child.parentElement.prepend(child);
+      }
+    } else {
+      for (let child of primarySlottedChildren) {
+        // Ensure the primary buttons are at the end of the light DOM.
+        child.parentElement.append(child);
+      }
+    }
+  }
+
+  updated(changedProperties) {
+    if (changedProperties.has("platform")) {
+      this.#reorderLightDom();
+    }
+  }
+
+  render() {
+    let slots = [
+      html` <slot @slotchange=${this.onSlotchange}></slot> `,
+      html` <slot name="primary"></slot> `,
+    ];
+    if (this.platform == PLATFORM_WINDOWS) {
+      slots = [slots[1], slots[0]];
+    }
+    return html`
+      <link rel="stylesheet" href=${this.constructor.stylesheetUrl} />
+      ${slots}
+    `;
+  }
+}
+customElements.define("moz-button-group", MozButtonGroup);
diff --git a/toolkit/content/widgets/moz-button-group/moz-button-group.stories.mjs b/toolkit/content/widgets/moz-button-group/moz-button-group.stories.mjs
new file mode 100644
index 0000000000..444cc5373c
--- /dev/null
+++ b/toolkit/content/widgets/moz-button-group/moz-button-group.stories.mjs
@@ -0,0 +1,57 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+import { html } from "../vendor/lit.all.mjs";
+import {
+  PLATFORM_LINUX,
+  PLATFORM_MACOS,
+  PLATFORM_WINDOWS,
+} from "./moz-button-group.mjs";
+
+export default {
+  title: "UI Widgets/Button Group",
+  component: "moz-button-group",
+  argTypes: {
+    platform: {
+      options: [PLATFORM_LINUX, PLATFORM_MACOS, PLATFORM_WINDOWS],
+      control: { type: "select" },
+    },
+  },
+  parameters: {
+    status: "stable",
+    fluent: `
+moz-button-group-p = The button group is below. Card for emphasis.
+moz-button-group-ok = OK
+moz-button-group-cancel = Cancel
+    `,
+  },
+};
+
+const Template = ({ platform }) => html`
+  <div class="card card-no-hover" style="max-width: 400px">
+    <p data-l10n-id="moz-button-group-p"></p>
+    <moz-button-group .platform=${platform}>
+      <button class="primary" data-l10n-id="moz-button-group-ok"></button>
+      <button data-l10n-id="moz-button-group-cancel"></button>
+    </moz-button-group>
+  </div>
+`;
+
+export const Default = Template.bind({});
+Default.args = {
+  // Platform will auto-detected.
+};
+
+export const Windows = Template.bind({});
+Windows.args = {
+  platform: PLATFORM_WINDOWS,
+};
+export const Mac = Template.bind({});
+Mac.args = {
+  platform: PLATFORM_MACOS,
+};
+export const Linux = Template.bind({});
+Linux.args = {
+  platform: PLATFORM_LINUX,
+};