Bug 1719703 - Implement cancel event on <input type=file>. r=emilio

Differential Revision: https://phabricator.services.mozilla.com/D119437
2021-07-11 20:05:03 +00:00
parent 8b26478beb
commit 3e283d0058
4 changed files with 49 additions and 2 deletions
--- a/dom/html/HTMLInputElement.cpp
+++ b/dom/html/HTMLInputElement.cpp
@@ -441,7 +441,10 @@ HTMLInputElement::nsFilePickerShownCallback::Done(int16_t aResult) {
  mInput->PickerClosed();

  if (aResult == nsIFilePicker::returnCancel) {
-    return NS_OK;
+    RefPtr<HTMLInputElement> inputElement(mInput);
+    return nsContentUtils::DispatchTrustedEvent(
+        inputElement->OwnerDoc(), static_cast<Element*>(inputElement.get()),
+        u"cancel"_ns, CanBubble::eYes, Cancelable::eNo);
  }

  int16_t mode;