1 files changed, 63 insertions, 0 deletions
diff --git a/toolkit/actors/ControllersChild.sys.mjs b/toolkit/actors/ControllersChild.sys.mjs
new file mode 100644
index 0000000000..d975c1f431
--- /dev/null
+++ b/toolkit/actors/ControllersChild.sys.mjs
@@ -0,0 +1,63 @@
+/* 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 ControllersChild extends JSWindowActorChild {
+  receiveMessage(message) {
+    switch (message.name) {
+      case "ControllerCommands:Do":
+        if (this.docShell && this.docShell.isCommandEnabled(message.data)) {
+          this.docShell.doCommand(message.data);
+        }
+        break;
+
+      case "ControllerCommands:DoWithParams":
+        var data = message.data;
+        if (this.docShell && this.docShell.isCommandEnabled(data.cmd)) {
+          var params = Cu.createCommandParams();
+          let substituteXY = false;
+          let x = 0;
+          let y = 0;
+          if (
+            data.cmd == "cmd_lookUpDictionary" &&
+            "x" in data.params &&
+            "y" in data.params &&
+            data.params.x.type == "long" &&
+            data.params.y.type == "long"
+          ) {
+            substituteXY = true;
+            x = parseInt(data.params.x.value);
+            y = parseInt(data.params.y.value);
+
+            let rect =
+              this.contentWindow.windowUtils.convertFromParentProcessWidgetToLocal(
+                x,
+                y,
+                1,
+                1
+              );
+            x = Math.round(rect.x);
+            y = Math.round(rect.y);
+          }
+
+          for (var name in data.params) {
+            var value = data.params[name];
+            if (value.type == "long") {
+              if (substituteXY && name === "x") {
+                params.setLongValue(name, x);
+              } else if (substituteXY && name === "y") {
+                params.setLongValue(name, y);
+              } else {
+                params.setLongValue(name, parseInt(value.value));
+              }
+            } else {
+              throw Components.Exception("", Cr.NS_ERROR_NOT_IMPLEMENTED);
+            }
+          }
+          this.docShell.doCommandWithParams(data.cmd, params);
+        }
+        break;
+    }
+  }
+}