1 files changed, 63 insertions, 0 deletions
diff --git a/dom/webidl/FontFace.webidl b/dom/webidl/FontFace.webidl
new file mode 100644
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+++ b/dom/webidl/FontFace.webidl
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+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/.
+ *
+ * The origin of this IDL file is
+ * http://dev.w3.org/csswg/css-font-loading/#fontface-interface
+ *
+ * Copyright © 2014 W3C® (MIT, ERCIM, Keio, Beihang), All Rights Reserved. W3C
+ * liability, trademark and document use rules apply.
+ */
+
+typedef (ArrayBuffer or ArrayBufferView) BinaryData;
+
+dictionary FontFaceDescriptors {
+  UTF8String style = "normal";
+  UTF8String weight = "normal";
+  UTF8String stretch = "normal";
+  UTF8String unicodeRange = "U+0-10FFFF";
+  UTF8String variant = "normal";
+  UTF8String featureSettings = "normal";
+  [Pref="layout.css.font-variations.enabled"] UTF8String variationSettings = "normal";
+  [Pref="layout.css.font-display.enabled"] UTF8String display = "auto";
+  [Pref="layout.css.font-metrics-overrides.enabled"] UTF8String ascentOverride = "normal";
+  [Pref="layout.css.font-metrics-overrides.enabled"] UTF8String descentOverride = "normal";
+  [Pref="layout.css.font-metrics-overrides.enabled"] UTF8String lineGapOverride = "normal";
+  [Pref="layout.css.size-adjust.enabled"] UTF8String sizeAdjust = "100%";
+};
+
+enum FontFaceLoadStatus { "unloaded", "loading", "loaded", "error" };
+
+// Bug 1072107 is for exposing this in workers.
+// [Exposed=(Window,Worker)]
+[Func="FontFaceSet::IsEnabled",
+ Exposed=(Window,Worker)]
+interface FontFace {
+  [Throws]
+  constructor(UTF8String family,
+              (UTF8String or BinaryData) source,
+              optional FontFaceDescriptors descriptors = {});
+
+  [SetterThrows] attribute UTF8String family;
+  [SetterThrows] attribute UTF8String style;
+  [SetterThrows] attribute UTF8String weight;
+  [SetterThrows] attribute UTF8String stretch;
+  [SetterThrows] attribute UTF8String unicodeRange;
+  [SetterThrows] attribute UTF8String variant;
+  [SetterThrows] attribute UTF8String featureSettings;
+  [SetterThrows, Pref="layout.css.font-variations.enabled"] attribute UTF8String variationSettings;
+  [SetterThrows, Pref="layout.css.font-display.enabled"] attribute UTF8String display;
+  [SetterThrows, Pref="layout.css.font-metrics-overrides.enabled"] attribute UTF8String ascentOverride;
+  [SetterThrows, Pref="layout.css.font-metrics-overrides.enabled"] attribute UTF8String descentOverride;
+  [SetterThrows, Pref="layout.css.font-metrics-overrides.enabled"] attribute UTF8String lineGapOverride;
+  [SetterThrows, Pref="layout.css.size-adjust.enabled"] attribute UTF8String sizeAdjust;
+
+  readonly attribute FontFaceLoadStatus status;
+
+  [Throws]
+  Promise<FontFace> load();
+
+  [Throws]
+  readonly attribute Promise<FontFace> loaded;
+};