FileSystemAccessHandleControlChild.h (1617B)
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_FILESYSTEMACCESSHANDLECONTROLCHILD_H_ 8 #define DOM_FS_CHILD_FILESYSTEMACCESSHANDLECONTROLCHILD_H_ 9 10 #include "mozilla/dom/PFileSystemAccessHandleControlChild.h" 11 #include "nsISupportsImpl.h" 12 13 namespace mozilla::dom { 14 15 class FileSystemSyncAccessHandle; 16 17 class FileSystemAccessHandleControlChild 18 : public PFileSystemAccessHandleControlChild { 19 public: 20 NS_INLINE_DECL_REFCOUNTING_WITH_DESTROY(FileSystemAccessHandleControlChild, 21 Destroy(), override) 22 23 void SetAccessHandle(FileSystemSyncAccessHandle* aAccessHandle); 24 25 void Shutdown(); 26 27 void ActorDestroy(ActorDestroyReason aWhy) override; 28 29 protected: 30 virtual ~FileSystemAccessHandleControlChild() = default; 31 32 // This is called when the object's refcount drops to zero. We use this custom 33 // callback to close the top level actor if it hasn't been explicitly closed 34 // yet. For example when `FileSystemSyncAccessHandle::Create` fails after 35 // creating and binding the top level actor. 36 virtual void Destroy() { 37 Shutdown(); 38 delete this; 39 } 40 41 // The weak reference is cleared in ActorDestroy. 42 FileSystemSyncAccessHandle* MOZ_NON_OWNING_REF mAccessHandle; 43 }; 44 45 } // namespace mozilla::dom 46 47 #endif // DOM_FS_CHILD_FILESYSTEMACCESSHANDLECONTROLCHILD_H_