Line data    Source code

       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             : #include "nsSMILNullType.h"
       8             : #include "nsSMILValue.h"
       9             : #include "nsDebug.h"
      10             : 
      11             : nsresult
      12           0 : nsSMILNullType::Assign(nsSMILValue& aDest, const nsSMILValue& aSrc) const
      13             : {
      14           0 :   NS_PRECONDITION(aDest.mType == aSrc.mType, "Incompatible SMIL types");
      15           0 :   NS_PRECONDITION(aSrc.mType == this, "Unexpected source type");
      16           0 :   aDest.mU    = aSrc.mU;
      17           0 :   aDest.mType = Singleton();
      18           0 :   return NS_OK;
      19             : }
      20             : 
      21             : bool
      22           0 : nsSMILNullType::IsEqual(const nsSMILValue& aLeft,
      23             :                         const nsSMILValue& aRight) const
      24             : {
      25           0 :   NS_PRECONDITION(aLeft.mType == aRight.mType, "Incompatible SMIL types");
      26           0 :   NS_PRECONDITION(aLeft.mType == this, "Unexpected type for SMIL value");
      27             : 
      28           0 :   return true;  // All null-typed values are equivalent.
      29             : }
      30             : 
      31             : nsresult
      32           0 : nsSMILNullType::Add(nsSMILValue& aDest, const nsSMILValue& aValueToAdd,
      33             :                     uint32_t aCount) const
      34             : {
      35           0 :   NS_NOTREACHED("Adding NULL type");
      36           0 :   return NS_ERROR_FAILURE;
      37             : }
      38             : 
      39             : nsresult
      40           0 : nsSMILNullType::ComputeDistance(const nsSMILValue& aFrom,
      41             :                                 const nsSMILValue& aTo,
      42             :                                 double& aDistance) const
      43             : {
      44           0 :   NS_NOTREACHED("Computing distance for NULL type");
      45           0 :   return NS_ERROR_FAILURE;
      46             : }
      47             : 
      48             : nsresult
      49           0 : nsSMILNullType::Interpolate(const nsSMILValue& aStartVal,
      50             :                             const nsSMILValue& aEndVal,
      51             :                             double aUnitDistance,
      52             :                             nsSMILValue& aResult) const
      53             : {
      54           0 :   NS_NOTREACHED("Interpolating NULL type");
      55           0 :   return NS_ERROR_FAILURE;
      56             : }