dom/smil/nsSMILNullType.h@97036ab72558 (annotated)
dom/smil/nsSMILNullType.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 NS_SMILNULLTYPE_H_ |
| michael@0 | 7 | #define NS_SMILNULLTYPE_H_ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "mozilla/Attributes.h" |
| michael@0 | 10 | #include "nsISMILType.h" |
| michael@0 | 11 | |
| michael@0 | 12 | class nsSMILNullType : public nsISMILType |
| michael@0 | 13 | { |
| michael@0 | 14 | public: |
| michael@0 | 15 | // Singleton for nsSMILValue objects to hold onto. |
| michael@0 | 16 | static nsSMILNullType* |
| michael@0 | 17 | Singleton() |
| michael@0 | 18 | { |
| michael@0 | 19 | static nsSMILNullType sSingleton; |
| michael@0 | 20 | return &sSingleton; |
| michael@0 | 21 | } |
| michael@0 | 22 | |
| michael@0 | 23 | protected: |
| michael@0 | 24 | // nsISMILType Methods |
| michael@0 | 25 | // ------------------- |
| michael@0 | 26 | virtual void Init(nsSMILValue& aValue) const MOZ_OVERRIDE {} |
| michael@0 | 27 | virtual void Destroy(nsSMILValue& aValue) const MOZ_OVERRIDE {} |
| michael@0 | 28 | virtual nsresult Assign(nsSMILValue& aDest, const nsSMILValue& aSrc) const MOZ_OVERRIDE; |
| michael@0 | 29 | |
| michael@0 | 30 | // The remaining methods should never be called, so although they're very |
| michael@0 | 31 | // simple they don't need to be inline. |
| michael@0 | 32 | virtual bool IsEqual(const nsSMILValue& aLeft, |
| michael@0 | 33 | const nsSMILValue& aRight) const MOZ_OVERRIDE; |
| michael@0 | 34 | virtual nsresult Add(nsSMILValue& aDest, const nsSMILValue& aValueToAdd, |
| michael@0 | 35 | uint32_t aCount) const MOZ_OVERRIDE; |
| michael@0 | 36 | virtual nsresult ComputeDistance(const nsSMILValue& aFrom, |
| michael@0 | 37 | const nsSMILValue& aTo, |
| michael@0 | 38 | double& aDistance) const MOZ_OVERRIDE; |
| michael@0 | 39 | virtual nsresult Interpolate(const nsSMILValue& aStartVal, |
| michael@0 | 40 | const nsSMILValue& aEndVal, |
| michael@0 | 41 | double aUnitDistance, |
| michael@0 | 42 | nsSMILValue& aResult) const MOZ_OVERRIDE; |
| michael@0 | 43 | |
| michael@0 | 44 | private: |
| michael@0 | 45 | // Private constructor: prevent instances beyond my singleton. |
| michael@0 | 46 | MOZ_CONSTEXPR nsSMILNullType() {} |
| michael@0 | 47 | }; |
| michael@0 | 48 | |
| michael@0 | 49 | #endif // NS_SMILNULLTYPE_H_ |
