tor-browser

The Tor Browser
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FileSystemManagerChild.h (2016B)

      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_CHILD_FILESYSTEMMANAGERCHILD_H_
      8 #define DOM_FS_CHILD_FILESYSTEMMANAGERCHILD_H_
      9 
     10 #include "mozilla/dom/FileSystemWritableFileStreamChild.h"
     11 #include "mozilla/dom/PFileSystemManagerChild.h"
     12 #include "mozilla/dom/quota/ForwardDecls.h"
     13 
     14 namespace mozilla::dom {
     15 
     16 class FileSystemBackgroundRequestHandler;
     17 
     18 class FileSystemManagerChild : public PFileSystemManagerChild {
     19 public:
     20  using ActorPromise =
     21      MozPromise<RefPtr<FileSystemManagerChild>, nsresult, false>;
     22 
     23  NS_INLINE_DECL_REFCOUNTING_WITH_DESTROY(FileSystemManagerChild, Destroy(),
     24                                          override)
     25 
     26  bool CloseAllReceived() const { return mCloseAllReceived; }
     27 
     28  void SetBackgroundRequestHandler(
     29      FileSystemBackgroundRequestHandler* aBackgroundRequestHandler);
     30 
     31  void CloseAllWritables(std::function<void()>&& aCallback);
     32 
     33 #ifdef DEBUG
     34  virtual bool AllSyncAccessHandlesClosed() const;
     35 
     36  virtual bool AllWritableFileStreamsClosed() const;
     37 #endif
     38 
     39  virtual void Shutdown();
     40 
     41  already_AddRefed<PFileSystemWritableFileStreamChild>
     42  AllocPFileSystemWritableFileStreamChild();
     43 
     44  ::mozilla::ipc::IPCResult RecvCloseAll(CloseAllResolver&& aResolver);
     45 
     46  void ActorDestroy(ActorDestroyReason aWhy) override;
     47 
     48 protected:
     49  virtual ~FileSystemManagerChild() = default;
     50 
     51  virtual void Destroy() {
     52    Shutdown();
     53    delete this;
     54  }
     55 
     56  // The weak reference is cleared in ActorDestroy.
     57  FileSystemBackgroundRequestHandler* MOZ_NON_OWNING_REF
     58      mBackgroundRequestHandler;
     59 
     60 private:
     61  template <class T>
     62  void CloseAllWritablesImpl(T& aPromises);
     63 
     64  bool mCloseAllReceived = false;
     65 };
     66 
     67 }  // namespace mozilla::dom
     68 
     69 #endif  // DOM_FS_CHILD_FILESYSTEMMANAGERCHILD_H_