LCOV - app.info - content/svg/content/src/DOMSVGAnimatedTransformList.cpp

LCOV - code coverage report
| Current view: | directory - content/svg/content/src - DOMSVGAnimatedTransformList.cpp (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 51 | 3 | 5.9 %
| Date: | 2012-06-02 | Functions: | 18 | 2 | 11.1 %

           1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
           2                 : /* ***** BEGIN LICENSE BLOCK *****
           3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           4                 :  *
           5                 :  * The contents of this file are subject to the Mozilla Public License Version
           6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           7                 :  * the License. You may obtain a copy of the License at
           8                 :  * http://www.mozilla.org/MPL/
           9                 :  *
          10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          12                 :  * for the specific language governing rights and limitations under the
          13                 :  * License.
          14                 :  *
          15                 :  * The Original Code is the Mozilla SVG project.
          16                 :  *
          17                 :  * The Initial Developer of the Original Code is
          18                 :  * Crocodile Clips Ltd..
          19                 :  * Portions created by the Initial Developer are Copyright (C) 2001
          20                 :  * the Initial Developer. All Rights Reserved.
          21                 :  *
          22                 :  * Contributor(s):
          23                 :  *   Alex Fritze <alex.fritze@crocodile-clips.com> (original author)
          24                 :  *
          25                 :  * Alternatively, the contents of this file may be used under the terms of
          26                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
          27                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          29                 :  * of those above. If you wish to allow use of your version of this file only
          30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          31                 :  * use your version of this file under the terms of the MPL, indicate your
          32                 :  * decision by deleting the provisions above and replace them with the notice
          33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          34                 :  * the provisions above, a recipient may use your version of this file under
          35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          36                 :  *
          37                 :  * ***** END LICENSE BLOCK ***** */
          38                 :
          39                 : #include "DOMSVGAnimatedTransformList.h"
          40                 : #include "DOMSVGTransformList.h"
          41                 : #include "SVGAnimatedTransformList.h"
          42                 : #include "nsSVGAttrTearoffTable.h"
          43                 :
          44                 : namespace mozilla {
          45                 :
          46                 : static
          47                 :   nsSVGAttrTearoffTable<SVGAnimatedTransformList,DOMSVGAnimatedTransformList>
          48            1464 :   sSVGAnimatedTransformListTearoffTable;
          49                 :
          50            1464 : NS_SVG_VAL_IMPL_CYCLE_COLLECTION(DOMSVGAnimatedTransformList, mElement)
          51                 :
          52               0 : NS_IMPL_CYCLE_COLLECTING_ADDREF(DOMSVGAnimatedTransformList)
          53               0 : NS_IMPL_CYCLE_COLLECTING_RELEASE(DOMSVGAnimatedTransformList)
          54                 :
          55                 : } // namespace mozilla
          56                 : DOMCI_DATA(SVGAnimatedTransformList, mozilla::DOMSVGAnimatedTransformList)
          57                 : namespace mozilla {
          58                 :
          59               0 : NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(DOMSVGAnimatedTransformList)
          60               0 :   NS_INTERFACE_MAP_ENTRY(nsIDOMSVGAnimatedTransformList)
          61               0 :   NS_INTERFACE_MAP_ENTRY(nsISupports)
          62               0 :   NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(SVGAnimatedTransformList)
          63               0 : NS_INTERFACE_MAP_END
          64                 :
          65                 : //----------------------------------------------------------------------
          66                 : // nsIDOMSVGAnimatedTransformList methods:
          67                 :
          68                 : /* readonly attribute nsIDOMSVGTransformList baseVal; */
          69                 : NS_IMETHODIMP
          70               0 : DOMSVGAnimatedTransformList::GetBaseVal(nsIDOMSVGTransformList** aBaseVal)
          71                 : {
          72               0 :   if (!mBaseVal) {
          73               0 :     mBaseVal = new DOMSVGTransformList(this, InternalAList().GetBaseValue());
          74                 :   }
          75               0 :   NS_ADDREF(*aBaseVal = mBaseVal);
          76               0 :   return NS_OK;
          77                 : }
          78                 :
          79                 : /* readonly attribute nsIDOMSVGTransformList animVal; */
          80                 : NS_IMETHODIMP
          81               0 : DOMSVGAnimatedTransformList::GetAnimVal(nsIDOMSVGTransformList** aAnimVal)
          82                 : {
          83               0 :   if (!mAnimVal) {
          84               0 :     mAnimVal = new DOMSVGTransformList(this, InternalAList().GetAnimValue());
          85                 :   }
          86               0 :   NS_ADDREF(*aAnimVal = mAnimVal);
          87               0 :   return NS_OK;
          88                 : }
          89                 :
          90                 : /* static */ already_AddRefed<DOMSVGAnimatedTransformList>
          91               0 : DOMSVGAnimatedTransformList::GetDOMWrapper(SVGAnimatedTransformList *aList,
          92                 :                                            nsSVGElement *aElement)
          93                 : {
          94                 :   DOMSVGAnimatedTransformList *wrapper =
          95               0 :     sSVGAnimatedTransformListTearoffTable.GetTearoff(aList);
          96               0 :   if (!wrapper) {
          97               0 :     wrapper = new DOMSVGAnimatedTransformList(aElement);
          98               0 :     sSVGAnimatedTransformListTearoffTable.AddTearoff(aList, wrapper);
          99                 :   }
         100               0 :   NS_ADDREF(wrapper);
         101               0 :   return wrapper;
         102                 : }
         103                 :
         104                 : /* static */ DOMSVGAnimatedTransformList*
         105               0 : DOMSVGAnimatedTransformList::GetDOMWrapperIfExists(
         106                 :   SVGAnimatedTransformList *aList)
         107                 : {
         108               0 :   return sSVGAnimatedTransformListTearoffTable.GetTearoff(aList);
         109                 : }
         110                 :
         111               0 : DOMSVGAnimatedTransformList::~DOMSVGAnimatedTransformList()
         112                 : {
         113                 :   // Script no longer has any references to us, to our base/animVal objects, or
         114                 :   // to any of their list items.
         115               0 :   sSVGAnimatedTransformListTearoffTable.RemoveTearoff(&InternalAList());
         116               0 : }
         117                 :
         118                 : void
         119               0 : DOMSVGAnimatedTransformList::InternalBaseValListWillChangeLengthTo(
         120                 :   PRUint32 aNewLength)
         121                 : {
         122                 :   // When the number of items in our internal counterpart's baseVal changes,
         123                 :   // we MUST keep our baseVal in sync. If we don't, script will either see a
         124                 :   // list that is too short and be unable to access indexes that should be
         125                 :   // valid, or else, MUCH WORSE, script will see a list that is too long and be
         126                 :   // able to access "items" at indexes that are out of bounds (read/write to
         127                 :   // bad memory)!!
         128                 :
         129               0 :   nsRefPtr<DOMSVGAnimatedTransformList> kungFuDeathGrip;
         130               0 :   if (mBaseVal) {
         131               0 :     if (aNewLength < mBaseVal->Length()) {
         132                 :       // InternalListLengthWillChange might clear last reference to |this|.
         133                 :       // Retain a temporary reference to keep from dying before returning.
         134               0 :       kungFuDeathGrip = this;
         135                 :     }
         136               0 :     mBaseVal->InternalListLengthWillChange(aNewLength);
         137                 :   }
         138                 :
         139                 :   // If our attribute is not animating, then our animVal mirrors our baseVal
         140                 :   // and we must sync its length too. (If our attribute is animating, then the
         141                 :   // SMIL engine takes care of calling InternalAnimValListWillChangeLengthTo()
         142                 :   // if necessary.)
         143                 :
         144               0 :   if (!IsAnimating()) {
         145               0 :     InternalAnimValListWillChangeLengthTo(aNewLength);
         146                 :   }
         147               0 : }
         148                 :
         149                 : void
         150               0 : DOMSVGAnimatedTransformList::InternalAnimValListWillChangeLengthTo(
         151                 :   PRUint32 aNewLength)
         152                 : {
         153               0 :   if (mAnimVal) {
         154               0 :     mAnimVal->InternalListLengthWillChange(aNewLength);
         155                 :   }
         156               0 : }
         157                 :
         158                 : bool
         159               0 : DOMSVGAnimatedTransformList::IsAnimating() const
         160                 : {
         161               0 :   return InternalAList().IsAnimating();
         162                 : }
         163                 :
         164                 : SVGAnimatedTransformList&
         165               0 : DOMSVGAnimatedTransformList::InternalAList()
         166                 : {
         167               0 :   return *mElement->GetAnimatedTransformList();
         168                 : }
         169                 :
         170                 : const SVGAnimatedTransformList&
         171               0 : DOMSVGAnimatedTransformList::InternalAList() const
         172                 : {
         173               0 :   return *mElement->GetAnimatedTransformList();
         174                 : }
         175                 :
         176            4392 : } // namespace mozilla

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