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-rw-r--r--dom/fs/parent/FileSystemAccessHandle.h107
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diff --git a/dom/fs/parent/FileSystemAccessHandle.h b/dom/fs/parent/FileSystemAccessHandle.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 DOM_FS_PARENT_FILESYSTEMACCESSHANDLE_H_
+#define DOM_FS_PARENT_FILESYSTEMACCESSHANDLE_H_
+
+#include "FileSystemStreamCallbacks.h"
+#include "mozilla/MozPromise.h"
+#include "mozilla/NotNull.h"
+#include "mozilla/RefPtr.h"
+#include "mozilla/dom/FileSystemTypes.h"
+#include "mozilla/dom/quota/ForwardDecls.h"
+#include "nsISupportsImpl.h"
+#include "nsString.h"
+
+enum class nsresult : uint32_t;
+
+namespace mozilla {
+
+class TaskQueue;
+
+namespace ipc {
+class RandomAccessStreamParams;
+}
+
+namespace dom {
+
+class FileSystemAccessHandleControlParent;
+class FileSystemAccessHandleParent;
+
+namespace fs {
+
+template <class T>
+class Registered;
+
+namespace data {
+
+class FileSystemDataManager;
+
+} // namespace data
+} // namespace fs
+
+class FileSystemAccessHandle : public FileSystemStreamCallbacks {
+ public:
+ using CreateResult = std::pair<fs::Registered<FileSystemAccessHandle>,
+ mozilla::ipc::RandomAccessStreamParams>;
+ // IsExclusive is true because we want to allow moving of CreateResult.
+ // There's always just one consumer anyway (When IsExclusive is true, there
+ // can be at most one call to either Then or ChainTo).
+ using CreatePromise = MozPromise<CreateResult, nsresult,
+ /* IsExclusive */ true>;
+ static RefPtr<CreatePromise> Create(
+ RefPtr<fs::data::FileSystemDataManager> aDataManager,
+ const fs::EntryId& aEntryId);
+
+ NS_DECL_ISUPPORTS_INHERITED
+
+ void Register();
+
+ void Unregister();
+
+ void RegisterActor(NotNull<FileSystemAccessHandleParent*> aActor);
+
+ void UnregisterActor(NotNull<FileSystemAccessHandleParent*> aActor);
+
+ void RegisterControlActor(
+ NotNull<FileSystemAccessHandleControlParent*> aControlActor);
+
+ void UnregisterControlActor(
+ NotNull<FileSystemAccessHandleControlParent*> aControlActor);
+
+ bool IsOpen() const;
+
+ RefPtr<BoolPromise> BeginClose();
+
+ private:
+ FileSystemAccessHandle(RefPtr<fs::data::FileSystemDataManager> aDataManager,
+ const fs::EntryId& aEntryId,
+ MovingNotNull<RefPtr<TaskQueue>> aIOTaskQueue);
+
+ ~FileSystemAccessHandle();
+
+ bool IsInactive() const;
+
+ using InitPromise =
+ MozPromise<mozilla::ipc::RandomAccessStreamParams, nsresult,
+ /* IsExclusive */ true>;
+ RefPtr<InitPromise> BeginInit();
+
+ const fs::EntryId mEntryId;
+ RefPtr<fs::data::FileSystemDataManager> mDataManager;
+ const NotNull<RefPtr<TaskQueue>> mIOTaskQueue;
+ FileSystemAccessHandleParent* mActor;
+ FileSystemAccessHandleControlParent* mControlActor;
+ nsAutoRefCnt mRegCount;
+ bool mLocked;
+ bool mRegistered;
+ bool mClosed;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // DOM_FS_PARENT_FILESYSTEMACCESSHANDLE_H_