dom/media/MediaStreamError.h
author Norisz Fay <nfay@mozilla.com>
Tue, 07 Dec 2021 17:32:45 +0200
changeset 601199 cd413a8401785169b480b8643b6e3880043c5093
parent 558383 74111dd7a5008bf77ffaeaf5cfaf380296317822
permissions -rw-r--r--
Merge autoland to mozilla-central. a=merge

/* -*- 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);

 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_SCRIPT_HOLDER_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