MIDIPermissionRequest.h (1732B)
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim:set ts=2 sw=2 sts=2 et cindent: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this file, 5 * You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef mozilla_dom_MIDIPermissionRequest_h 8 #define mozilla_dom_MIDIPermissionRequest_h 9 10 #include "mozilla/dom/Promise.h" 11 #include "nsContentPermissionHelper.h" 12 13 namespace mozilla::dom { 14 15 struct MIDIOptions; 16 17 /** 18 * Handles permission dialog management when requesting MIDI permissions. 19 */ 20 class MIDIPermissionRequest final : public ContentPermissionRequestBase, 21 public nsIRunnable { 22 public: 23 MIDIPermissionRequest(nsPIDOMWindowInner* aWindow, Promise* aPromise, 24 const MIDIOptions& aOptions); 25 26 NS_DECL_ISUPPORTS_INHERITED 27 NS_DECL_NSIRUNNABLE 28 NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MIDIPermissionRequest, 29 ContentPermissionRequestBase) 30 // nsIContentPermissionRequest 31 NS_IMETHOD Cancel(void) override; 32 NS_IMETHOD Allow(JS::Handle<JS::Value> choices) override; 33 NS_IMETHOD GetTypes(nsIArray** aTypes) override; 34 35 private: 36 ~MIDIPermissionRequest() = default; 37 nsresult DoPrompt(); 38 void CancelWithRandomizedDelay(); 39 40 // If we're canceling on a timer, we need to hold a strong ref while it's 41 // outstanding. 42 nsCOMPtr<nsITimer> mCancelTimer; 43 44 // Promise for returning MIDIAccess on request success 45 RefPtr<Promise> mPromise; 46 // True if sysex permissions should be requested 47 bool mNeedsSysex; 48 }; 49 50 } // namespace mozilla::dom 51 52 #endif // mozilla_dom_MIDIPermissionRequest_h