gecko-dev/dom/midi/MIDIOutputMap.h

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1.5 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_MIDIOutputMap_h
#define mozilla_dom_MIDIOutputMap_h
#include "mozilla/dom/MIDIPort.h"
#include "nsCOMPtr.h"
#include "nsTHashMap.h"
#include "nsWrapperCache.h"
class nsPIDOMWindowInner;
namespace mozilla::dom {
/**
* Maplike DOM object that holds a list of all MIDI output ports available for
* access. Almost all functions are implemented automatically by WebIDL.
*
*/
class MIDIOutputMap final : public nsISupports, public nsWrapperCache {
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(MIDIOutputMap)
explicit MIDIOutputMap(nsPIDOMWindowInner* aParent);
nsPIDOMWindowInner* GetParentObject() const { return mParent; }
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
bool Has(nsAString& aId) { return mPorts.Get(aId) != nullptr; }
void Insert(nsAString& aId, RefPtr<MIDIPort> aPort) {
mPorts.InsertOrUpdate(aId, aPort);
}
void Remove(nsAString& aId) { mPorts.Remove(aId); }
private:
~MIDIOutputMap() = default;
nsTHashMap<nsString, RefPtr<MIDIPort>> mPorts;
nsCOMPtr<nsPIDOMWindowInner> mParent;
};
} // namespace mozilla::dom
#endif // mozilla_dom_MIDIOutputMap_h