1 files changed, 90 insertions, 0 deletions
diff --git a/toolkit/actors/ControllersParent.sys.mjs b/toolkit/actors/ControllersParent.sys.mjs
new file mode 100644
index 0000000000..05ea166112
--- /dev/null
+++ b/toolkit/actors/ControllersParent.sys.mjs
@@ -0,0 +1,90 @@
+/* vim: set ts=2 sw=2 sts=2 et tw=80: */
+/* 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/. */
+
+export class ControllersParent extends JSWindowActorParent {
+  constructor() {
+    super();
+
+    // A map of commands that have had their enabled/disabled state assigned. The
+    // value of each key will be true if enabled, and false if disabled.
+    this.supportedCommands = {};
+  }
+
+  get browser() {
+    return this.browsingContext.top.embedderElement;
+  }
+
+  // Update the set of enabled and disabled commands.
+  enableDisableCommands(aAction, aEnabledCommands, aDisabledCommands) {
+    // Clear the list first
+    this.supportedCommands = {};
+
+    for (let command of aEnabledCommands) {
+      this.supportedCommands[command] = true;
+    }
+
+    for (let command of aDisabledCommands) {
+      this.supportedCommands[command] = false;
+    }
+
+    let browser = this.browser;
+    if (browser) {
+      browser.ownerGlobal.updateCommands(aAction);
+    }
+  }
+
+  isCommandEnabled(aCommand) {
+    return this.supportedCommands[aCommand] || false;
+  }
+
+  supportsCommand(aCommand) {
+    return aCommand in this.supportedCommands;
+  }
+
+  doCommand(aCommand) {
+    this.sendAsyncMessage("ControllerCommands:Do", aCommand);
+  }
+
+  getCommandStateWithParams(aCommand, aCommandParams) {
+    throw Components.Exception("Not implemented", Cr.NS_ERROR_NOT_IMPLEMENTED);
+  }
+
+  doCommandWithParams(aCommand, aCommandParams) {
+    let cmd = {
+      cmd: aCommand,
+      params: null,
+    };
+    if (aCommand == "cmd_lookUpDictionary") {
+      cmd.params = {
+        x: {
+          type: "long",
+          value: aCommandParams.getLongValue("x"),
+        },
+        y: {
+          type: "long",
+          value: aCommandParams.getLongValue("y"),
+        },
+      };
+    } else {
+      throw Components.Exception(
+        "Not implemented",
+        Cr.NS_ERROR_NOT_IMPLEMENTED
+      );
+    }
+    this.sendAsyncMessage("ControllerCommands:DoWithParams", cmd);
+  }
+
+  getSupportedCommands() {
+    throw Components.Exception("Not implemented", Cr.NS_ERROR_NOT_IMPLEMENTED);
+  }
+
+  onEvent() {}
+}
+
+ControllersParent.prototype.QueryInterface = ChromeUtils.generateQI([
+  "nsIBrowserController",
+  "nsIController",
+  "nsICommandController",
+]);