LCOV - code coverage report
Current view: directory - content/svg/content/src - DOMSVGPoint.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 85 2 2.4 %
Date: 2012-06-02 Functions: 17 2 11.8 %

       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 Mozilla SVG Project code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is the Mozilla Foundation.
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2010
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *
      23                 :  * Alternatively, the contents of this file may be used under the terms of
      24                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      25                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      26                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      27                 :  * of those above. If you wish to allow use of your version of this file only
      28                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      29                 :  * use your version of this file under the terms of the MPL, indicate your
      30                 :  * decision by deleting the provisions above and replace them with the notice
      31                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      32                 :  * the provisions above, a recipient may use your version of this file under
      33                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      34                 :  *
      35                 :  * ***** END LICENSE BLOCK ***** */
      36                 : 
      37                 : #include "DOMSVGPoint.h"
      38                 : #include "DOMSVGPointList.h"
      39                 : #include "SVGPoint.h"
      40                 : #include "SVGAnimatedPointList.h"
      41                 : #include "nsSVGElement.h"
      42                 : #include "nsIDOMSVGPoint.h"
      43                 : #include "nsDOMError.h"
      44                 : #include "nsIDOMSVGMatrix.h"
      45                 : #include "nsContentUtils.h" // NS_ENSURE_FINITE
      46                 : #include "DOMSVGMatrix.h"
      47                 : 
      48                 : // See the architecture comment in DOMSVGPointList.h.
      49                 : 
      50                 : using namespace mozilla;
      51                 : 
      52                 : // We could use NS_IMPL_CYCLE_COLLECTION_1, except that in Unlink() we need to
      53                 : // clear our list's weak ref to us to be safe. (The other option would be to
      54                 : // not unlink and rely on the breaking of the other edges in the cycle, as
      55                 : // NS_SVG_VAL_IMPL_CYCLE_COLLECTION does.)
      56            1464 : NS_IMPL_CYCLE_COLLECTION_CLASS(DOMSVGPoint)
      57               0 : NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(DOMSVGPoint)
      58                 :   // We may not belong to a list, so we must null check tmp->mList.
      59               0 :   if (tmp->mList) {
      60               0 :     tmp->mList->mItems[tmp->mListIndex] = nsnull;
      61                 :   }
      62               0 : NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mList)
      63               0 : NS_IMPL_CYCLE_COLLECTION_UNLINK_END
      64               0 : NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(DOMSVGPoint)
      65               0 : NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mList)
      66               0 : NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
      67                 : 
      68               0 : NS_IMPL_CYCLE_COLLECTING_ADDREF(DOMSVGPoint)
      69               0 : NS_IMPL_CYCLE_COLLECTING_RELEASE(DOMSVGPoint)
      70                 : 
      71                 : DOMCI_DATA(SVGPoint, DOMSVGPoint)
      72                 : 
      73               0 : NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(DOMSVGPoint)
      74               0 :   NS_INTERFACE_MAP_ENTRY(DOMSVGPoint) // pseudo-interface
      75               0 :   NS_INTERFACE_MAP_ENTRY(nsIDOMSVGPoint)
      76               0 :   NS_INTERFACE_MAP_ENTRY(nsISupports)
      77               0 :   NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(SVGPoint)
      78               0 : NS_INTERFACE_MAP_END
      79                 : 
      80                 : 
      81                 : NS_IMETHODIMP
      82               0 : DOMSVGPoint::GetX(float* aX)
      83                 : {
      84               0 :   if (mIsAnimValItem && HasOwner()) {
      85               0 :     Element()->FlushAnimations(); // May make HasOwner() == false
      86                 :   }
      87               0 :   *aX = HasOwner() ? InternalItem().mX : mPt.mX;
      88               0 :   return NS_OK;
      89                 : }
      90                 : 
      91                 : NS_IMETHODIMP
      92               0 : DOMSVGPoint::SetX(float aX)
      93                 : {
      94               0 :   if (mIsAnimValItem || mIsReadonly) {
      95               0 :     return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
      96                 :   }
      97                 : 
      98               0 :   NS_ENSURE_FINITE(aX, NS_ERROR_ILLEGAL_VALUE);
      99                 : 
     100               0 :   if (HasOwner()) {
     101               0 :     if (InternalItem().mX == aX) {
     102               0 :       return NS_OK;
     103                 :     }
     104               0 :     nsAttrValue emptyOrOldValue = Element()->WillChangePointList();
     105               0 :     InternalItem().mX = aX;
     106               0 :     Element()->DidChangePointList(emptyOrOldValue);
     107               0 :     if (mList->AttrIsAnimating()) {
     108               0 :       Element()->AnimationNeedsResample();
     109                 :     }
     110               0 :     return NS_OK;
     111                 :   }
     112               0 :   mPt.mX = aX;
     113               0 :   return NS_OK;
     114                 : }
     115                 : 
     116                 : NS_IMETHODIMP
     117               0 : DOMSVGPoint::GetY(float* aY)
     118                 : {
     119               0 :   if (mIsAnimValItem && HasOwner()) {
     120               0 :     Element()->FlushAnimations(); // May make HasOwner() == false
     121                 :   }
     122               0 :   *aY = HasOwner() ? InternalItem().mY : mPt.mY;
     123               0 :   return NS_OK;
     124                 : }
     125                 : 
     126                 : NS_IMETHODIMP
     127               0 : DOMSVGPoint::SetY(float aY)
     128                 : {
     129               0 :   if (mIsAnimValItem || mIsReadonly) {
     130               0 :     return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
     131                 :   }
     132                 : 
     133               0 :   NS_ENSURE_FINITE(aY, NS_ERROR_ILLEGAL_VALUE);
     134                 : 
     135               0 :   if (HasOwner()) {
     136               0 :     if (InternalItem().mY == aY) {
     137               0 :       return NS_OK;
     138                 :     }
     139               0 :     nsAttrValue emptyOrOldValue = Element()->WillChangePointList();
     140               0 :     InternalItem().mY = aY;
     141               0 :     Element()->DidChangePointList(emptyOrOldValue);
     142               0 :     if (mList->AttrIsAnimating()) {
     143               0 :       Element()->AnimationNeedsResample();
     144                 :     }
     145               0 :     return NS_OK;
     146                 :   }
     147               0 :   mPt.mY = aY;
     148               0 :   return NS_OK;
     149                 : }
     150                 : 
     151                 : NS_IMETHODIMP
     152               0 : DOMSVGPoint::MatrixTransform(nsIDOMSVGMatrix *matrix,
     153                 :                              nsIDOMSVGPoint **_retval)
     154                 : {
     155               0 :   nsCOMPtr<DOMSVGMatrix> domMatrix = do_QueryInterface(matrix);
     156               0 :   if (!domMatrix)
     157               0 :     return NS_ERROR_DOM_SVG_WRONG_TYPE_ERR;
     158                 : 
     159               0 :   float x = HasOwner() ? InternalItem().mX : mPt.mX;
     160               0 :   float y = HasOwner() ? InternalItem().mY : mPt.mY;
     161                 : 
     162               0 :   gfxPoint pt = domMatrix->Matrix().Transform(gfxPoint(x, y));
     163               0 :   NS_ADDREF(*_retval = new DOMSVGPoint(pt));
     164                 : 
     165               0 :   return NS_OK;
     166                 : }
     167                 : 
     168                 : void
     169               0 : DOMSVGPoint::InsertingIntoList(DOMSVGPointList *aList,
     170                 :                                PRUint32 aListIndex,
     171                 :                                bool aIsAnimValItem)
     172                 : {
     173               0 :   NS_ABORT_IF_FALSE(!HasOwner(), "Inserting item that already has an owner");
     174                 : 
     175               0 :   mList = aList;
     176               0 :   mListIndex = aListIndex;
     177               0 :   mIsReadonly = false;
     178               0 :   mIsAnimValItem = aIsAnimValItem;
     179                 : 
     180               0 :   NS_ABORT_IF_FALSE(IndexIsValid(), "Bad index for DOMSVGPoint!");
     181               0 : }
     182                 : 
     183                 : void
     184               0 : DOMSVGPoint::RemovingFromList()
     185                 : {
     186               0 :   mPt = InternalItem();
     187               0 :   mList = nsnull;
     188               0 :   NS_ABORT_IF_FALSE(!mIsReadonly, "mIsReadonly set for list");
     189               0 :   mIsAnimValItem = false;
     190               0 : }
     191                 : 
     192                 : SVGPoint&
     193               0 : DOMSVGPoint::InternalItem()
     194                 : {
     195               0 :   return mList->InternalList().mItems[mListIndex];
     196                 : }
     197                 : 
     198                 : #ifdef DEBUG
     199                 : bool
     200               0 : DOMSVGPoint::IndexIsValid()
     201                 : {
     202               0 :   return mListIndex < mList->InternalList().Length();
     203            4392 : }
     204                 : #endif
     205                 : 

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