Bug 993272 - Uplift Add-on SDK to Firefox

2014-04-14 22:56:11 -07:00
parent 096d663d73
commit 8d4372cb2d
24 changed files with 440 additions and 51 deletions
--- a/addon-sdk/source/lib/sdk/content/mod.js
+++ b/addon-sdk/source/lib/sdk/content/mod.js
@@ -31,6 +31,9 @@ let detachFrom = method("detatchFrom");
 exports.detachFrom = detachFrom;

 function attach(modification, target) {
+  if (!modification)
+    return;
+
  let window = getTargetWindow(target);

  attachTo(modification, window);
@@ -42,6 +45,9 @@ function attach(modification, target) {
 exports.attach = attach;

 function detach(modification, target) {
+  if (!modification)
+    return;
+
  if (target) {
    let window = getTargetWindow(target);
    detachFrom(modification, window);