2 files changed, 82 insertions, 0 deletions
diff --git a/devtools/shared/specs/style/moz.build b/devtools/shared/specs/style/moz.build
new file mode 100644
index 0000000000..56883cc51a
--- /dev/null
+++ b/devtools/shared/specs/style/moz.build
@@ -0,0 +1,9 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+DevToolsModules(
+    "style-types.js",
+)
diff --git a/devtools/shared/specs/style/style-types.js b/devtools/shared/specs/style/style-types.js
new file mode 100644
index 0000000000..b752073b43
--- /dev/null
+++ b/devtools/shared/specs/style/style-types.js
@@ -0,0 +1,73 @@
+/* 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/. */
+"use strict";
+
+const { RetVal, types } = require("resource://devtools/shared/protocol.js");
+
+// Predeclare the domstylerule actor type
+types.addActorType("domstylerule");
+
+/**
+ * When asking for the styles applied to a node, we return a list of
+ * appliedstyle json objects that lists the rules that apply to the node
+ * and which element they were inherited from (if any).
+ */
+types.addDictType("appliedstyle", {
+  rule: "domstylerule",
+  inherited: "nullable:domnode#actorid",
+  keyframes: "nullable:domstylerule",
+});
+
+types.addDictType("matchedselector", {
+  rule: "domstylerule#actorid",
+  selector: "string",
+  value: "string",
+  status: "number",
+});
+
+types.addDictType("appliedStylesReturn", {
+  entries: "array:appliedstyle",
+});
+
+types.addDictType("modifiedStylesReturn", {
+  isMatching: RetVal("boolean"),
+  ruleProps: RetVal("nullable:appliedStylesReturn"),
+});
+
+types.addDictType("fontpreview", {
+  data: "nullable:longstring",
+  size: "json",
+});
+
+types.addDictType("fontvariationaxis", {
+  tag: "string",
+  name: "string",
+  minValue: "number",
+  maxValue: "number",
+  defaultValue: "number",
+});
+
+types.addDictType("fontvariationinstancevalue", {
+  axis: "string",
+  value: "number",
+});
+
+types.addDictType("fontvariationinstance", {
+  name: "string",
+  values: "array:fontvariationinstancevalue",
+});
+
+types.addDictType("fontface", {
+  name: "string",
+  CSSFamilyName: "string",
+  rule: "nullable:domstylerule",
+  srcIndex: "number",
+  URI: "string",
+  format: "string",
+  preview: "nullable:fontpreview",
+  localName: "string",
+  metadata: "string",
+  variationAxes: "array:fontvariationaxis",
+  variationInstances: "array:fontvariationinstance",
+});