dom/svg/SVGMotionSMILAttr.cpp

   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 /* representation of a dummy attribute targeted by <animateMotion> element */
   8
   9 #include "SVGMotionSMILAttr.h"
  10 #include "SVGMotionSMILType.h"
  11 #include "mozilla/dom/SVGAnimationElement.h"
  12 #include "nsSMILValue.h"
  13 #include "nsDebug.h"
  14 #include "nsSVGElement.h"
  15 #include "gfx2DGlue.h"
  16
  17 namespace mozilla {
  18
  19 nsresult
  20 SVGMotionSMILAttr::ValueFromString(const nsAString& aStr,
  21                                    const dom::SVGAnimationElement* aSrcElement,
  22                                    nsSMILValue& aValue,
  23                                    bool& aPreventCachingOfSandwich) const
  24 {
  25   NS_NOTREACHED("Shouldn't using nsISMILAttr::ValueFromString for parsing "
  26                 "animateMotion's SMIL values.");
  27   return NS_ERROR_FAILURE;
  28 }
  29
  30 nsSMILValue
  31 SVGMotionSMILAttr::GetBaseValue() const
  32 {
  33   return nsSMILValue(&SVGMotionSMILType::sSingleton);
  34 }
  35
  36 void
  37 SVGMotionSMILAttr::ClearAnimValue()
  38 {
  39   mSVGElement->SetAnimateMotionTransform(nullptr);
  40 }
  41
  42 nsresult
  43 SVGMotionSMILAttr::SetAnimValue(const nsSMILValue& aValue)
  44 {
  45   gfx::Matrix matrix = SVGMotionSMILType::CreateMatrix(aValue);
  46   mSVGElement->SetAnimateMotionTransform(&matrix);
  47   return NS_OK;
  48 }
  49
  50 const nsIContent*
  51 SVGMotionSMILAttr::GetTargetNode() const
  52 {
  53   return mSVGElement;
  54 }
  55
  56 } // namespace mozilla