gecko-dev/dom/midi/MIDIPermissionRequest.h

53 строки
1.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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/. */
#ifndef mozilla_dom_MIDIPermissionRequest_h
#define mozilla_dom_MIDIPermissionRequest_h
#include "mozilla/dom/Promise.h"
#include "nsContentPermissionHelper.h"
namespace mozilla::dom {
struct MIDIOptions;
/**
* Handles permission dialog management when requesting MIDI permissions.
*/
class MIDIPermissionRequest final : public ContentPermissionRequestBase,
public nsIRunnable {
public:
MIDIPermissionRequest(nsPIDOMWindowInner* aWindow, Promise* aPromise,
const MIDIOptions& aOptions);
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIRUNNABLE
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(MIDIPermissionRequest,
ContentPermissionRequestBase)
// nsIContentPermissionRequest
NS_IMETHOD Cancel(void) override;
NS_IMETHOD Allow(JS::Handle<JS::Value> choices) override;
NS_IMETHOD GetTypes(nsIArray** aTypes) override;
private:
~MIDIPermissionRequest() = default;
nsresult DoPrompt();
void CancelWithRandomizedDelay();
// If we're canceling on a timer, we need to hold a strong ref while it's
// outstanding.
nsCOMPtr<nsITimer> mCancelTimer;
// Promise for returning MIDIAccess on request success
RefPtr<Promise> mPromise;
// True if sysex permissions should be requested
bool mNeedsSysex;
};
} // namespace mozilla::dom
#endif // mozilla_dom_MIDIPermissionRequest_h