1 files changed, 105 insertions, 0 deletions
diff --git a/devtools/server/actors/style-sheets.js b/devtools/server/actors/style-sheets.js
new file mode 100644
index 0000000000..64f16badc0
--- /dev/null
+++ b/devtools/server/actors/style-sheets.js
@@ -0,0 +1,105 @@
+/* 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 { Actor } = require("resource://devtools/shared/protocol.js");
+const {
+  styleSheetsSpec,
+} = require("resource://devtools/shared/specs/style-sheets.js");
+
+const {
+  LongStringActor,
+} = require("resource://devtools/server/actors/string.js");
+
+loader.lazyRequireGetter(
+  this,
+  "UPDATE_GENERAL",
+  "resource://devtools/server/actors/utils/stylesheets-manager.js",
+  true
+);
+
+/**
+ * Creates a StyleSheetsActor. StyleSheetsActor provides remote access to the
+ * stylesheets of a document.
+ */
+class StyleSheetsActor extends Actor {
+  constructor(conn, targetActor) {
+    super(conn, styleSheetsSpec);
+
+    this.parentActor = targetActor;
+  }
+
+  /**
+   * The window we work with, taken from the parent actor.
+   */
+  get window() {
+    return this.parentActor.window;
+  }
+
+  /**
+   * The current content document of the window we work with.
+   */
+  get document() {
+    return this.window.document;
+  }
+
+  getTraits() {
+    return {
+      traits: {},
+    };
+  }
+
+  destroy() {
+    for (const win of this.parentActor.windows) {
+      // This flag only exists for devtools, so we are free to clear
+      // it when we're done.
+      win.document.styleSheetChangeEventsEnabled = false;
+    }
+
+    super.destroy();
+  }
+
+  /**
+   * Create a new style sheet in the document with the given text.
+   * Return an actor for it.
+   *
+   * @param  {object} request
+   *         Debugging protocol request object, with 'text property'
+   * @param  {string} fileName
+   *         If the stylesheet adding is from file, `fileName` indicates the path.
+   * @return {object}
+   *         Object with 'styelSheet' property for form on new actor.
+   */
+  async addStyleSheet(text, fileName = null) {
+    const styleSheetsManager = this._getStyleSheetsManager();
+    await styleSheetsManager.addStyleSheet(this.document, text, fileName);
+  }
+
+  _getStyleSheetsManager() {
+    return this.parentActor.getStyleSheetsManager();
+  }
+
+  toggleDisabled(resourceId) {
+    const styleSheetsManager = this._getStyleSheetsManager();
+    return styleSheetsManager.toggleDisabled(resourceId);
+  }
+
+  async getText(resourceId) {
+    const styleSheetsManager = this._getStyleSheetsManager();
+    const text = await styleSheetsManager.getText(resourceId);
+    return new LongStringActor(this.conn, text || "");
+  }
+
+  update(resourceId, text, transition, cause = "") {
+    const styleSheetsManager = this._getStyleSheetsManager();
+    return styleSheetsManager.setStyleSheetText(resourceId, text, {
+      transition,
+      kind: UPDATE_GENERAL,
+      cause,
+    });
+  }
+}
+
+exports.StyleSheetsActor = StyleSheetsActor;