MediaStreamError.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 mozilla_dom_MediaStreamError_h

#define mozilla_dom_MediaStreamError_h

#include "mozilla/Attributes.h"

#include "nsWrapperCache.h"

#include "js/TypeDecls.h"

#include "nsPIDOMWindow.h"

#include "mozilla/RefPtr.h"

#if defined(XP_WIN) && defined(GetMessage)

#  undef GetMessage

#endif

namespace mozilla {

namespace dom {

#define MOZILLA_DOM_MEDIASTREAMERROR_IMPLEMENTATION_IID \

  {                                                     \

    0x95fa29aa, 0x0cc2, 0x4698, {                       \

      0x9d, 0xa9, 0xf2, 0xeb, 0x03, 0x91, 0x0b, 0xd1    \

    }                                                   \

class MediaStreamError;

}  // namespace dom

class BaseMediaMgrError {

  friend class dom::MediaStreamError;

 public:

  enum class Name {

    AbortError,

    InvalidStateError,

    NotAllowedError,

    NotFoundError,

    NotReadableError,

    OverconstrainedError,

    SecurityError,

    TypeError,

};

 protected:

  BaseMediaMgrError(Name aName, const nsACString& aMessage,

                    const nsAString& aConstraint);

 public:

  nsString mNameString;

  nsCString mMessage;

  const nsString mConstraint;

  const Name mName;

};

class MediaMgrError final : public nsISupports, public BaseMediaMgrError {

 public:

  // aMessage should be valid UTF-8, but invalid UTF-8 byte sequences are

  // replaced with the REPLACEMENT CHARACTER on conversion to UTF-16.

  explicit MediaMgrError(Name aName, const nsACString& aMessage = ""_ns,

                         const nsAString& aConstraint = u""_ns)

      : BaseMediaMgrError(aName, aMessage, aConstraint) {}

  template <int N>

  explicit MediaMgrError(Name aName, const char (&aMessage)[N],

                         const nsAString& aConstraint = u""_ns)

      : BaseMediaMgrError(aName, nsLiteralCString(aMessage), aConstraint) {}

  NS_DECL_THREADSAFE_ISUPPORTS

  void Reject(dom::Promise* aPromise) const;

 private:

  ~MediaMgrError() = default;

};

namespace dom {

class MediaStreamError final : public nsISupports,

                               public BaseMediaMgrError,

                               public nsWrapperCache {

 public:

  MediaStreamError(nsPIDOMWindowInner* aParent, const BaseMediaMgrError& aOther)

      : BaseMediaMgrError(aOther.mName, aOther.mMessage, aOther.mConstraint),

        mParent(aParent) {}

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS

  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(MediaStreamError)

  NS_DECLARE_STATIC_IID_ACCESSOR(

      MOZILLA_DOM_MEDIASTREAMERROR_IMPLEMENTATION_IID)

  JSObject* WrapObject(JSContext* aCx,

                       JS::Handle<JSObject*> aGivenProto) override;

  nsPIDOMWindowInner* GetParentObject() const { return mParent; }

  void GetName(nsAString& aName) const;

  void GetMessage(nsAString& aMessage) const;

  void GetConstraint(nsAString& aConstraint) const;

 private:

  virtual ~MediaStreamError() = default;

  RefPtr<nsPIDOMWindowInner> mParent;

};

NS_DEFINE_STATIC_IID_ACCESSOR(MediaStreamError,

                              MOZILLA_DOM_MEDIASTREAMERROR_IMPLEMENTATION_IID)

}  // namespace dom

}  // namespace mozilla

#endif