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MIDIMessageEvent.h (1947B)

      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
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef mozilla_dom_MIDIMessageEvent_h
      8 #define mozilla_dom_MIDIMessageEvent_h
      9 
     10 #include <cstdint>
     11 
     12 #include "js/RootingAPI.h"
     13 #include "mozilla/AlreadyAddRefed.h"
     14 #include "mozilla/TimeStamp.h"
     15 #include "mozilla/dom/Event.h"
     16 #include "nsCycleCollectionParticipant.h"
     17 #include "nsISupports.h"
     18 #include "nsStringFwd.h"
     19 #include "nsTArray.h"
     20 
     21 struct JSContext;
     22 namespace mozilla::dom {
     23 struct MIDIMessageEventInit;
     24 
     25 /**
     26 * Event that fires whenever a MIDI message is received by the MIDIInput object.
     27 *
     28 */
     29 class MIDIMessageEvent final : public Event {
     30 public:
     31  NS_DECL_ISUPPORTS_INHERITED
     32  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(MIDIMessageEvent,
     33                                                         Event)
     34 protected:
     35  explicit MIDIMessageEvent(mozilla::dom::EventTarget* aOwner);
     36 
     37  JS::Heap<JSObject*> mData;
     38 
     39 public:
     40  virtual MIDIMessageEvent* AsMIDIMessageEvent();
     41  virtual JSObject* WrapObjectInternal(
     42      JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
     43  static already_AddRefed<MIDIMessageEvent> Constructor(
     44      EventTarget* aOwner, const class TimeStamp& aReceivedTime,
     45      const nsTArray<uint8_t>& aData);
     46 
     47  static already_AddRefed<MIDIMessageEvent> Constructor(
     48      const GlobalObject& aGlobal, const nsAString& aType,
     49      const MIDIMessageEventInit& aEventInitDict, ErrorResult& aRv);
     50 
     51  // Getter for message data
     52  void GetData(JSContext* cx, JS::MutableHandle<JSObject*> aData,
     53               ErrorResult& aRv);
     54 
     55 private:
     56  ~MIDIMessageEvent();
     57  nsTArray<uint8_t> mRawData;
     58 };
     59 
     60 }  // namespace mozilla::dom
     61 
     62 #endif  // mozilla_dom_MIDIMessageEvent_h