dom/file/MutableBlobStreamListener.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   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_MutableBlobStreamListener_h
   8 #define mozilla_dom_MutableBlobStreamListener_h
   9
  10 #include "nsIStreamListener.h"
  11 #include "nsIThreadRetargetableStreamListener.h"
  12 #include "mozilla/dom/MutableBlobStorage.h"
  13
  14 class nsIEventTarget;
  15
  16 namespace mozilla {
  17 namespace dom {
  18
  19 class MutableBlobStreamListener final : public nsIStreamListener
  20                                       , public nsIThreadRetargetableStreamListener
  21 {
  22 public:
  23   NS_DECL_THREADSAFE_ISUPPORTS
  24   NS_DECL_NSISTREAMLISTENER
  25   NS_DECL_NSITHREADRETARGETABLESTREAMLISTENER
  26   NS_DECL_NSIREQUESTOBSERVER
  27
  28   MutableBlobStreamListener(MutableBlobStorage::MutableBlobStorageType aType,
  29                             nsISupports* aParent,
  30                             const nsACString& aContentType,
  31                             MutableBlobStorageCallback* aCallback,
  32                             nsIEventTarget* aEventTarget = nullptr);
  33
  34 private:
  35   ~MutableBlobStreamListener();
  36
  37   static nsresult
  38   WriteSegmentFun(nsIInputStream* aWriter, void* aClosure,
  39                   const char* aFromSegment, uint32_t aOffset,
  40                   uint32_t aCount, uint32_t* aWriteCount);
  41
  42   RefPtr<MutableBlobStorage> mStorage;
  43   RefPtr<MutableBlobStorageCallback> mCallback;
  44
  45   nsCOMPtr<nsISupports> mParent;
  46   MutableBlobStorage::MutableBlobStorageType mStorageType;
  47   nsCString mContentType;
  48   nsCOMPtr<nsIEventTarget> mEventTarget;
  49 };
  50
  51 } // namespace dom
  52 } // namespace mozilla
  53
  54 #endif // mozilla_dom_MutableBlobStreamListener_h