Commit 4f6270ff authored by Gabriele Svelto's avatar Gabriele Svelto
Browse files

Bug 1851847 - Check that we really do have a document before creating a MIDI... 

Bug 1851847 - Check that we really do have a document before creating a MIDI port r=padenot, a=dmeehan

Differential Revision: https://phabricator.services.mozilla.com/D187989
parent f1fb0868

dom/midi/MIDIPort.cpp

+10 −1
Original line number Diff line number Diff line
@@ -63,7 +63,16 @@ MIDIPort::~MIDIPort() { 
}



bool MIDIPort::Initialize(const MIDIPortInfo& aPortInfo, bool aSysexEnabled) {

  nsIURI* uri = GetDocumentIfCurrent()->GetDocumentURI();

  nsCOMPtr<Document> document = GetDocumentIfCurrent();

  if (!document) {

    return false;

  }



  nsCOMPtr<nsIURI> uri = document->GetDocumentURI();

  if (!uri) {

    return false;

  }



  nsAutoCString origin;

  nsresult rv = nsContentUtils::GetASCIIOrigin(uri, origin);

  if (NS_FAILED(rv)) {