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author | Moonchild <moonchild@palemoon.org> | 2022-02-12 17:47:03 +0000 |
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committer | Matt A. Tobin <email@mattatobin.com> | 2022-02-12 14:23:18 -0600 |
commit | f66babd8b8368ada3e5aa29cdef1c77291ee4ddd (patch) | |
tree | e3842e2a6bf19090185f9c475b3846e1bb79ac97 /dom/filehandle/MutableFileBase.h | |
download | GRE-f66babd8b8368ada3e5aa29cdef1c77291ee4ddd.tar.gz |
Create the Goanna Runtime Environment
Diffstat (limited to 'dom/filehandle/MutableFileBase.h')
-rw-r--r-- | dom/filehandle/MutableFileBase.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/dom/filehandle/MutableFileBase.h b/dom/filehandle/MutableFileBase.h new file mode 100644 index 000000000..30ea9d6af --- /dev/null +++ b/dom/filehandle/MutableFileBase.h @@ -0,0 +1,75 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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_MutableFile_h +#define mozilla_dom_MutableFile_h + +#include "mozilla/dom/FileHandleCommon.h" +#include "nscore.h" + +template <class> struct already_AddRefed; +class nsISupports; +class nsString; +struct PRThread; + +namespace mozilla { +namespace dom { + +class BackgroundMutableFileChildBase; +class BlobImpl; +class File; +class FileHandleBase; + +/** + * This class provides a base for MutableFile implementations. + * (for example IDBMutableFile provides IndexedDB specific implementation). + */ +class MutableFileBase + : public RefCountedThreadObject +{ +protected: + BackgroundMutableFileChildBase* mBackgroundActor; + +public: + BackgroundMutableFileChildBase* + GetBackgroundActor() const + { + AssertIsOnOwningThread(); + + return mBackgroundActor; + } + + void + ClearBackgroundActor() + { + AssertIsOnOwningThread(); + + mBackgroundActor = nullptr; + } + + virtual const nsString& + Name() const = 0; + + virtual const nsString& + Type() const = 0; + + virtual bool + IsInvalidated() = 0; + + virtual already_AddRefed<File> + CreateFileFor(BlobImpl* aBlobImpl, + FileHandleBase* aFileHandle) = 0; + +protected: + MutableFileBase(DEBUGONLY(PRThread* aOwningThread,) + BackgroundMutableFileChildBase* aActor); + + virtual ~MutableFileBase(); +}; + +} // namespace dom +} // namespace mozilla + +#endif // mozilla_dom_MutableFile_h |