4 files changed, 204 insertions, 0 deletions
diff --git a/devtools/shared/specs/style-rule.js b/devtools/shared/specs/style-rule.js
new file mode 100644
index 0000000000..cb06a578b9
--- /dev/null
+++ b/devtools/shared/specs/style-rule.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 {
+  Arg,
+  RetVal,
+  generateActorSpec,
+  types,
+} = require("resource://devtools/shared/protocol.js");
+
+// Load the shared types for style actors
+require("resource://devtools/shared/specs/style/style-types.js");
+
+types.addDictType("domstylerule.queryContainerForNodeReturn", {
+  node: "nullable:domnode",
+  containerType: "nullable:string",
+  blockSize: "nullable:string",
+  inlineSize: "nullable:string",
+});
+
+const styleRuleSpec = generateActorSpec({
+  typeName: "domstylerule",
+
+  events: {
+    "location-changed": {
+      type: "locationChanged",
+      line: Arg(0, "number"),
+      column: Arg(1, "number"),
+    },
+    "rule-updated": {
+      type: "ruleUpdated",
+      rule: Arg(0, "domstylerule"),
+    },
+  },
+
+  methods: {
+    getRuleText: {
+      response: {
+        text: RetVal("string"),
+      },
+    },
+    setRuleText: {
+      request: {
+        newText: Arg(0, "string"),
+        modifications: Arg(1, "array:json"),
+      },
+      response: { rule: RetVal("domstylerule") },
+    },
+    modifyProperties: {
+      request: { modifications: Arg(0, "array:json") },
+      response: { rule: RetVal("domstylerule") },
+    },
+    modifySelector: {
+      request: {
+        node: Arg(0, "domnode"),
+        value: Arg(1, "string"),
+        editAuthored: Arg(2, "boolean"),
+      },
+      response: RetVal("modifiedStylesReturn"),
+    },
+    getQueryContainerForNode: {
+      request: {
+        ancestorRuleIndex: Arg(0, "number"),
+        node: Arg(1, "domnode"),
+      },
+      response: RetVal("domstylerule.queryContainerForNodeReturn"),
+    },
+  },
+});
+
+exports.styleRuleSpec = styleRuleSpec;
diff --git a/devtools/shared/specs/style-sheets.js b/devtools/shared/specs/style-sheets.js
new file mode 100644
index 0000000000..94d3e72f5f
--- /dev/null
+++ b/devtools/shared/specs/style-sheets.js
@@ -0,0 +1,49 @@
+/* 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 {
+  Arg,
+  RetVal,
+  generateActorSpec,
+} = require("resource://devtools/shared/protocol.js");
+
+const styleSheetsSpec = generateActorSpec({
+  typeName: "stylesheets",
+
+  events: {},
+
+  methods: {
+    getTraits: {
+      request: {},
+      response: { traits: RetVal("json") },
+    },
+    addStyleSheet: {
+      request: {
+        text: Arg(0, "string"),
+        fileName: Arg(1, "nullable:string"),
+      },
+      response: {},
+    },
+    toggleDisabled: {
+      request: { resourceId: Arg(0, "string") },
+      response: { disabled: RetVal("boolean") },
+    },
+    getText: {
+      request: { resourceId: Arg(0, "string") },
+      response: { text: RetVal("longstring") },
+    },
+    update: {
+      request: {
+        resourceId: Arg(0, "string"),
+        text: Arg(1, "string"),
+        transition: Arg(2, "boolean"),
+        cause: Arg(3, "nullable:string"),
+      },
+      response: {},
+    },
+  },
+});
+
+exports.styleSheetsSpec = styleSheetsSpec;
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",
+});