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-rw-r--r--layout/tools/layout-debug/LayoutDebugChild.jsm32
1 files changed, 32 insertions, 0 deletions
diff --git a/layout/tools/layout-debug/LayoutDebugChild.jsm b/layout/tools/layout-debug/LayoutDebugChild.jsm
new file mode 100644
index 0000000000..c830188ed4
--- /dev/null
+++ b/layout/tools/layout-debug/LayoutDebugChild.jsm
@@ -0,0 +1,32 @@
+/* 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/. */
+"use strict";
+
+var EXPORTED_SYMBOLS = ["LayoutDebugChild"];
+
+const NS_LAYOUT_DEBUGGINGTOOLS_CONTRACTID =
+ "@mozilla.org/layout-debug/layout-debuggingtools;1";
+
+class LayoutDebugChild extends JSWindowActorChild {
+ receiveMessage(msg) {
+ if (!this._debuggingTools) {
+ this._debuggingTools = Cc[
+ NS_LAYOUT_DEBUGGINGTOOLS_CONTRACTID
+ ].createInstance(Ci.nsILayoutDebuggingTools);
+ this._debuggingTools.init(this.contentWindow);
+ }
+ switch (msg.name) {
+ case "LayoutDebug:Call":
+ let pid = Services.appinfo.processID;
+ dump(`[${pid} ${this.contentWindow.location}]\n`);
+ this._debuggingTools[msg.data.name](msg.data.arg);
+ dump("\n");
+ break;
+ default:
+ throw `unknown message ${msg.name} sent to LayoutDebugChild`;
+ }
+ return Promise.resolve(true);
+ }
+}