editor/txmgr/src/nsTransactionStack.h

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #ifndef nsTransactionStack_h__
michael@0 7 #define nsTransactionStack_h__
michael@0 8
michael@0 9 #include <deque>
michael@0 10 #include "nsAutoPtr.h"
michael@0 11
michael@0 12 class nsCycleCollectionTraversalCallback;
michael@0 13 class nsTransactionItem;
michael@0 14
michael@0 15 class nsTransactionStack
michael@0 16 {
michael@0 17 public:
michael@0 18 enum Type { FOR_UNDO, FOR_REDO };
michael@0 19
michael@0 20 explicit nsTransactionStack(Type aType);
michael@0 21 ~nsTransactionStack();
michael@0 22
michael@0 23 void Push(nsTransactionItem *aTransactionItem);
michael@0 24 already_AddRefed<nsTransactionItem> Pop();
michael@0 25 already_AddRefed<nsTransactionItem> PopBottom();
michael@0 26 already_AddRefed<nsTransactionItem> Peek();
michael@0 27 already_AddRefed<nsTransactionItem> GetItem(int32_t aIndex);
michael@0 28 void Clear();
michael@0 29 int32_t GetSize() { return mDeque.size(); }
michael@0 30
michael@0 31 void DoUnlink() { Clear(); }
michael@0 32 void DoTraverse(nsCycleCollectionTraversalCallback &cb);
michael@0 33
michael@0 34 private:
michael@0 35 std::deque<nsRefPtr<nsTransactionItem> > mDeque;
michael@0 36 const Type mType;
michael@0 37 };
michael@0 38
michael@0 39 #endif // nsTransactionStack_h__

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