tor-browser

The Tor Browser
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MediaStreamError.h (3090B)

      1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef mozilla_dom_MediaStreamError_h
      8 #define mozilla_dom_MediaStreamError_h
      9 
     10 #include "js/TypeDecls.h"
     11 #include "mozilla/RefPtr.h"
     12 #include "nsPIDOMWindow.h"
     13 #include "nsWrapperCache.h"
     14 
     15 #if defined(XP_WIN) && defined(GetMessage)
     16 #  undef GetMessage
     17 #endif
     18 
     19 namespace mozilla {
     20 
     21 namespace dom {
     22 
     23 #define MOZILLA_DOM_MEDIASTREAMERROR_IMPLEMENTATION_IID \
     24  {0x95fa29aa, 0x0cc2, 0x4698, {0x9d, 0xa9, 0xf2, 0xeb, 0x03, 0x91, 0x0b, 0xd1}}
     25 
     26 class MediaStreamError;
     27 }  // namespace dom
     28 
     29 class BaseMediaMgrError {
     30  friend class dom::MediaStreamError;
     31 
     32 public:
     33  enum class Name {
     34    AbortError,
     35    InvalidStateError,
     36    NotAllowedError,
     37    NotFoundError,
     38    NotReadableError,
     39    OverconstrainedError,
     40    SecurityError,
     41    TypeError,
     42  };
     43 
     44 protected:
     45  BaseMediaMgrError(Name aName, const nsACString& aMessage,
     46                    const nsAString& aConstraint);
     47 
     48 public:
     49  nsString mNameString;
     50  nsCString mMessage;
     51  const nsString mConstraint;
     52  const Name mName;
     53 };
     54 
     55 class MediaMgrError final : public nsISupports, public BaseMediaMgrError {
     56 public:
     57  // aMessage should be valid UTF-8, but invalid UTF-8 byte sequences are
     58  // replaced with the REPLACEMENT CHARACTER on conversion to UTF-16.
     59  explicit MediaMgrError(Name aName, const nsACString& aMessage = ""_ns,
     60                         const nsAString& aConstraint = u""_ns)
     61      : BaseMediaMgrError(aName, aMessage, aConstraint) {}
     62  template <int N>
     63  explicit MediaMgrError(Name aName, const char (&aMessage)[N],
     64                         const nsAString& aConstraint = u""_ns)
     65      : BaseMediaMgrError(aName, nsLiteralCString(aMessage), aConstraint) {}
     66 
     67  NS_DECL_THREADSAFE_ISUPPORTS
     68 
     69  void Reject(dom::Promise* aPromise) const;
     70 
     71 private:
     72  ~MediaMgrError() = default;
     73 };
     74 
     75 namespace dom {
     76 class MediaStreamError final : public nsISupports,
     77                               public BaseMediaMgrError,
     78                               public nsWrapperCache {
     79 public:
     80  MediaStreamError(nsPIDOMWindowInner* aParent, const BaseMediaMgrError& aOther)
     81      : BaseMediaMgrError(aOther.mName, aOther.mMessage, aOther.mConstraint),
     82        mParent(aParent) {}
     83 
     84  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
     85  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(MediaStreamError)
     86  NS_INLINE_DECL_STATIC_IID(MOZILLA_DOM_MEDIASTREAMERROR_IMPLEMENTATION_IID)
     87 
     88  JSObject* WrapObject(JSContext* aCx,
     89                       JS::Handle<JSObject*> aGivenProto) override;
     90 
     91  nsPIDOMWindowInner* GetParentObject() const { return mParent; }
     92  void GetName(nsAString& aName) const;
     93  void GetMessage(nsAString& aMessage) const;
     94  void GetConstraint(nsAString& aConstraint) const;
     95 
     96 private:
     97  virtual ~MediaStreamError() = default;
     98 
     99  RefPtr<nsPIDOMWindowInner> mParent;
    100 };
    101 
    102 }  // namespace dom
    103 }  // namespace mozilla
    104 
    105 #endif