LCOV - code coverage report
Current view: directory - image/src - Image.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 69 35 50.7 %
Date: 2012-06-02 Functions: 8 4 50.0 %

       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.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * the Mozilla Foundation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2010.
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      26                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #include "Image.h"
      39                 : 
      40                 : namespace mozilla {
      41                 : namespace image {
      42                 : 
      43                 : // Constructor
      44              24 : Image::Image(imgStatusTracker* aStatusTracker) :
      45                 :   mInnerWindowId(0),
      46                 :   mAnimationConsumers(0),
      47                 :   mAnimationMode(kNormalAnimMode),
      48                 :   mInitialized(false),
      49                 :   mAnimating(false),
      50              24 :   mError(false)
      51                 : {
      52              24 :   if (aStatusTracker) {
      53               8 :     mStatusTracker = aStatusTracker;
      54               8 :     mStatusTracker->SetImage(this);
      55                 :   } else {
      56              16 :     mStatusTracker = new imgStatusTracker(this);
      57                 :   }
      58              24 : }
      59                 : 
      60                 : PRUint32
      61               6 : Image::SizeOfData()
      62                 : {
      63               6 :   if (mError)
      64               0 :     return 0;
      65                 :   
      66                 :   // This is not used by memory reporters, but for sizing the cache, which is
      67                 :   // why it uses |moz_malloc_size_of| rather than an
      68                 :   // |NS_MEMORY_REPORTER_MALLOC_SIZEOF_FUN|.
      69               6 :   return PRUint32(HeapSizeOfSourceWithComputedFallback(moz_malloc_size_of) +
      70               6 :                   HeapSizeOfDecodedWithComputedFallback(moz_malloc_size_of) +
      71               6 :                   NonHeapSizeOfDecoded() +
      72              12 :                   OutOfProcessSizeOfDecoded());
      73                 : }
      74                 : 
      75                 : // Translates a mimetype into a concrete decoder
      76                 : Image::eDecoderType
      77              24 : Image::GetDecoderType(const char *aMimeType)
      78                 : {
      79                 :   // By default we don't know
      80              24 :   eDecoderType rv = eDecoderType_unknown;
      81                 : 
      82                 :   // PNG
      83              24 :   if (!strcmp(aMimeType, "image/png"))
      84               6 :     rv = eDecoderType_png;
      85              18 :   else if (!strcmp(aMimeType, "image/x-png"))
      86               0 :     rv = eDecoderType_png;
      87                 : 
      88                 :   // GIF
      89              18 :   else if (!strcmp(aMimeType, "image/gif"))
      90               4 :     rv = eDecoderType_gif;
      91                 : 
      92                 : 
      93                 :   // JPEG
      94              14 :   else if (!strcmp(aMimeType, "image/jpeg"))
      95               5 :     rv = eDecoderType_jpeg;
      96               9 :   else if (!strcmp(aMimeType, "image/pjpeg"))
      97               0 :     rv = eDecoderType_jpeg;
      98               9 :   else if (!strcmp(aMimeType, "image/jpg"))
      99               0 :     rv = eDecoderType_jpeg;
     100                 : 
     101                 :   // BMP
     102               9 :   else if (!strcmp(aMimeType, "image/bmp"))
     103               0 :     rv = eDecoderType_bmp;
     104               9 :   else if (!strcmp(aMimeType, "image/x-ms-bmp"))
     105               0 :     rv = eDecoderType_bmp;
     106                 : 
     107                 : 
     108                 :   // ICO
     109               9 :   else if (!strcmp(aMimeType, "image/x-icon"))
     110               5 :     rv = eDecoderType_ico;
     111               4 :   else if (!strcmp(aMimeType, "image/vnd.microsoft.icon"))
     112               0 :     rv = eDecoderType_ico;
     113                 : 
     114                 :   // Icon
     115               4 :   else if (!strcmp(aMimeType, "image/icon"))
     116               0 :     rv = eDecoderType_icon;
     117                 : 
     118              24 :   return rv;
     119                 : }
     120                 : 
     121                 : void
     122               0 : Image::IncrementAnimationConsumers()
     123                 : {
     124               0 :   mAnimationConsumers++;
     125               0 :   EvaluateAnimation();
     126               0 : }
     127                 : 
     128                 : void
     129               0 : Image::DecrementAnimationConsumers()
     130                 : {
     131               0 :   NS_ABORT_IF_FALSE(mAnimationConsumers >= 1, "Invalid no. of animation consumers!");
     132               0 :   mAnimationConsumers--;
     133               0 :   EvaluateAnimation();
     134               0 : }
     135                 : 
     136                 : //******************************************************************************
     137                 : /* attribute unsigned short animationMode; */
     138                 : NS_IMETHODIMP
     139               0 : Image::GetAnimationMode(PRUint16* aAnimationMode)
     140                 : {
     141               0 :   if (mError)
     142               0 :     return NS_ERROR_FAILURE;
     143                 : 
     144               0 :   NS_ENSURE_ARG_POINTER(aAnimationMode);
     145                 :   
     146               0 :   *aAnimationMode = mAnimationMode;
     147               0 :   return NS_OK;
     148                 : }
     149                 : 
     150                 : //******************************************************************************
     151                 : /* attribute unsigned short animationMode; */
     152                 : NS_IMETHODIMP
     153               0 : Image::SetAnimationMode(PRUint16 aAnimationMode)
     154                 : {
     155               0 :   if (mError)
     156               0 :     return NS_ERROR_FAILURE;
     157                 : 
     158               0 :   NS_ASSERTION(aAnimationMode == kNormalAnimMode ||
     159                 :                aAnimationMode == kDontAnimMode ||
     160                 :                aAnimationMode == kLoopOnceAnimMode,
     161                 :                "Wrong Animation Mode is being set!");
     162                 :   
     163               0 :   mAnimationMode = aAnimationMode;
     164                 : 
     165               0 :   EvaluateAnimation();
     166                 : 
     167               0 :   return NS_OK;
     168                 : }
     169                 : 
     170                 : void
     171               2 : Image::EvaluateAnimation()
     172                 : {
     173               2 :   if (!mAnimating && ShouldAnimate()) {
     174               0 :     nsresult rv = StartAnimation();
     175               0 :     mAnimating = NS_SUCCEEDED(rv);
     176               2 :   } else if (mAnimating && !ShouldAnimate()) {
     177               0 :     StopAnimation();
     178               0 :     mAnimating = false;
     179                 :   }
     180               2 : }
     181                 : 
     182                 : } // namespace image
     183                 : } // namespace mozilla

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