nsDocShellEnumerator.h (1219B)
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 nsDocShellEnumerator_h___ 8 #define nsDocShellEnumerator_h___ 9 10 #include "nsTArray.h" 11 12 class nsDocShell; 13 class nsIDocShell; 14 15 class MOZ_STACK_CLASS nsDocShellEnumerator { 16 public: 17 enum class EnumerationDirection : uint8_t { Forwards, Backwards }; 18 19 nsDocShellEnumerator(EnumerationDirection aDirection, int32_t aDocShellType, 20 nsDocShell& aRootItem); 21 22 public: 23 nsresult BuildDocShellArray(nsTArray<RefPtr<nsIDocShell>>& aItemArray); 24 25 private: 26 nsresult BuildArrayRecursiveForwards( 27 nsDocShell* aItem, nsTArray<RefPtr<nsIDocShell>>& aItemArray); 28 nsresult BuildArrayRecursiveBackwards( 29 nsDocShell* aItem, nsTArray<RefPtr<nsIDocShell>>& aItemArray); 30 31 private: 32 const RefPtr<nsDocShell> mRootItem; 33 34 const int32_t mDocShellType; // only want shells of this type 35 36 const EnumerationDirection mDirection; 37 }; 38 39 #endif // nsDocShellEnumerator_h___