1 files changed, 113 insertions, 0 deletions
diff --git a/dom/media/MediaStreamError.h b/dom/media/MediaStreamError.h
new file mode 100644
index 0000000000..3e84cf6790
--- /dev/null
+++ b/dom/media/MediaStreamError.h
@@ -0,0 +1,113 @@
+/* -*- 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