SpeechModelResolver.h

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/* -*- 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 DOM_MEDIA_WEBSPEECH_RECOGNITION_SPEECHMODELRESOLVER_H_

#define DOM_MEDIA_WEBSPEECH_RECOGNITION_SPEECHMODELRESOLVER_H_

#include "nsIMLModelResolver.h"

namespace mozilla::dom {

// The speech-recognition implementation of the generic HWInference model

// resolver (registered for the "speech-recognition" task). Lives in the

// trusted parent (main) process.

//

// Resolve() expands an id from the in-tree model table (see

// SpeechRecognitionModelMapping) to its concrete ModelHub artifact; it throws

// for any other id. This is what keeps the (less trusted) utility process from

// ever naming a model/revision/filename itself.

//

// AuthorizeDownload() skips the prompt when the model is already installed,

// honors the testing prefs, and otherwise shows the model-download permission

// doorhanger, allowing the download only on a real user Allow. Content can

// only ask; it never authorizes a download.

class SpeechModelResolver final : public nsIMLModelResolver {

 public:

  NS_DECL_ISUPPORTS

  NS_DECL_NSIMLMODELRESOLVER

  SpeechModelResolver() = default;

 private:

  ~SpeechModelResolver() = default;

};

}  // namespace mozilla::dom

#endif  // DOM_MEDIA_WEBSPEECH_RECOGNITION_SPEECHMODELRESOLVER_H_