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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/filehandle/ActorsChild.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/filehandle/ActorsChild.h')
-rw-r--r--dom/filehandle/ActorsChild.h174
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diff --git a/dom/filehandle/ActorsChild.h b/dom/filehandle/ActorsChild.h
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+/* 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