FileSystemDirectoryIterator.h (2120B)
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 DOM_FS_FILESYSTEMDIRECTORYITERATOR_H_ 8 #define DOM_FS_FILESYSTEMDIRECTORYITERATOR_H_ 9 10 #include "mozilla/dom/IterableIterator.h" 11 #include "nsCOMPtr.h" 12 #include "nsISupports.h" 13 #include "nsWrapperCache.h" 14 15 class nsIGlobalObject; 16 17 namespace mozilla { 18 19 class ErrorResult; 20 21 namespace dom { 22 23 class FileSystemManager; 24 class IterableIteratorBase; 25 class Promise; 26 27 // XXX This class isn't used to support iteration anymore. `Impl` should be 28 // extracted elsewhere and `FileSystemDirectoryIterator` should be removed 29 // completely 30 class FileSystemDirectoryIterator : public nsISupports, public nsWrapperCache { 31 public: 32 class Impl { 33 public: 34 NS_INLINE_DECL_REFCOUNTING(Impl) 35 36 virtual already_AddRefed<Promise> Next(nsIGlobalObject* aGlobal, 37 RefPtr<FileSystemManager>& aManager, 38 ErrorResult& aError) = 0; 39 40 protected: 41 virtual ~Impl() = default; 42 }; 43 44 NS_DECL_CYCLE_COLLECTING_ISUPPORTS 45 NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(FileSystemDirectoryIterator) 46 47 explicit FileSystemDirectoryIterator(nsIGlobalObject* aGlobal, 48 RefPtr<FileSystemManager>& aManager, 49 RefPtr<Impl>& aImpl); 50 51 // WebIDL Boilerplate 52 nsIGlobalObject* GetParentObject() const; 53 54 JSObject* WrapObject(JSContext* aCx, 55 JS::Handle<JSObject*> aGivenProto) override; 56 57 // WebIDL Interface 58 already_AddRefed<Promise> Next(ErrorResult& aError); 59 60 protected: 61 virtual ~FileSystemDirectoryIterator() = default; 62 63 nsCOMPtr<nsIGlobalObject> mGlobal; 64 65 RefPtr<FileSystemManager> mManager; 66 67 private: 68 RefPtr<Impl> mImpl; 69 }; 70 71 } // namespace dom 72 } // namespace mozilla 73 74 #endif // DOM_FS_FILESYSTEMDIRECTORYITERATOR_H_