1 files changed, 174 insertions, 0 deletions
diff --git a/dom/filehandle/ActorsChild.h b/dom/filehandle/ActorsChild.h
new file mode 100644
index 000000000..f2c35e2e1
--- /dev/null
+++ b/dom/filehandle/ActorsChild.h
@@ -0,0 +1,174 @@
+/* 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_filehandle_ActorsChild_h
+#define mozilla_dom_filehandle_ActorsChild_h
+
+#include "js/RootingAPI.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/FileHandleCommon.h"
+#include "mozilla/dom/PBackgroundFileHandleChild.h"
+#include "mozilla/dom/PBackgroundFileRequestChild.h"
+#include "mozilla/dom/PBackgroundMutableFileChild.h"
+
+class nsCString;
+
+namespace mozilla {
+namespace dom {
+
+class FileHandleBase;
+class FileRequestBase;
+class MutableFileBase;
+
+class BackgroundMutableFileChildBase
+  : public ThreadObject
+  , public PBackgroundMutableFileChild
+{
+protected:
+  friend class MutableFileBase;
+
+  RefPtr<MutableFileBase> mTemporaryStrongMutableFile;
+  MutableFileBase* mMutableFile;
+
+public:
+  void
+  EnsureDOMObject();
+
+  MutableFileBase*
+  GetDOMObject() const
+  {
+    AssertIsOnOwningThread();
+    return mMutableFile;
+  }
+
+  void
+  ReleaseDOMObject();
+
+protected:
+  BackgroundMutableFileChildBase(DEBUGONLY(PRThread* aOwningThread));
+
+  ~BackgroundMutableFileChildBase();
+
+  void
+  SendDeleteMeInternal();
+
+  virtual already_AddRefed<MutableFileBase>
+  CreateMutableFile() = 0;
+
+  // IPDL methods are only called by IPDL.
+  virtual void
+  ActorDestroy(ActorDestroyReason aWhy) override;
+
+  virtual PBackgroundFileHandleChild*
+  AllocPBackgroundFileHandleChild(const FileMode& aMode) override;
+
+  virtual bool
+  DeallocPBackgroundFileHandleChild(PBackgroundFileHandleChild* aActor)
+                                    override;
+
+  bool
+  SendDeleteMe() = delete;
+};
+
+class BackgroundFileHandleChild
+  : public ThreadObject
+  , public PBackgroundFileHandleChild
+{
+  friend class BackgroundMutableFileChildBase;
+  friend class MutableFileBase;
+
+  // mTemporaryStrongFileHandle is strong and is only valid until the end of
+  // NoteComplete() member function or until the NoteActorDestroyed() member
+  // function is called.
+  RefPtr<FileHandleBase> mTemporaryStrongFileHandle;
+
+  // mFileHandle is weak and is valid until the NoteActorDestroyed() member
+  // function is called.
+  FileHandleBase* mFileHandle;
+
+public:
+  explicit BackgroundFileHandleChild(DEBUGONLY(PRThread* aOwningThread,)
+                                     FileHandleBase* aFileHandle);
+
+  void
+  SendDeleteMeInternal();
+
+private:
+  ~BackgroundFileHandleChild();
+
+  void
+  NoteActorDestroyed();
+
+  void
+  NoteComplete();
+
+  // IPDL methods are only called by IPDL.
+  virtual void
+  ActorDestroy(ActorDestroyReason aWhy) override;
+
+  bool
+  RecvComplete(const bool& aAborted) override;
+
+  virtual PBackgroundFileRequestChild*
+  AllocPBackgroundFileRequestChild(const FileRequestParams& aParams)
+                                   override;
+
+  virtual bool
+  DeallocPBackgroundFileRequestChild(PBackgroundFileRequestChild* aActor)
+                                     override;
+
+  bool
+  SendDeleteMe() = delete;
+};
+
+class BackgroundFileRequestChild final
+  : public ThreadObject
+  , public PBackgroundFileRequestChild
+{
+  friend class BackgroundFileHandleChild;
+  friend class FileHandleBase;
+
+  RefPtr<FileRequestBase> mFileRequest;
+  RefPtr<FileHandleBase> mFileHandle;
+  bool mActorDestroyed;
+
+private:
+  // Only created by FileHandleBase.
+  explicit BackgroundFileRequestChild(DEBUGONLY(PRThread* aOwningThread,)
+                                      FileRequestBase* aFileRequest);
+
+  // Only destroyed by BackgroundFileHandleChild.
+  ~BackgroundFileRequestChild();
+
+  void
+  HandleResponse(nsresult aResponse);
+
+  void
+  HandleResponse(const FileRequestGetFileResponse& aResponse);
+
+  void
+  HandleResponse(const nsCString& aResponse);
+
+  void
+  HandleResponse(const FileRequestMetadata& aResponse);
+
+  void
+  HandleResponse(JS::Handle<JS::Value> aResponse);
+
+  // IPDL methods are only called by IPDL.
+  virtual void
+  ActorDestroy(ActorDestroyReason aWhy) override;
+
+  virtual bool
+  Recv__delete__(const FileRequestResponse& aResponse) override;
+
+  virtual bool
+  RecvProgress(const uint64_t& aProgress,
+               const uint64_t& aProgressMax) override;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_filehandle_ActorsChild_h