LCOV - code coverage report
Current view: directory - content/html/content/src - nsHTMLAudioElement.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 90 0 0.0 %
Date: 2012-06-02 Functions: 14 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* vim:set ts=2 sw=2 sts=2 et cindent: */
       3                 : /* ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is Mozilla code.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is the Mozilla Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2007
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *  Chris Double <chris.double@double.co.nz>
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      27                 :  * 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                 : #include "nsIDOMHTMLAudioElement.h"
      39                 : #include "nsIDOMHTMLSourceElement.h"
      40                 : #include "nsHTMLAudioElement.h"
      41                 : #include "nsGenericHTMLElement.h"
      42                 : #include "nsGkAtoms.h"
      43                 : #include "nsSize.h"
      44                 : #include "nsIFrame.h"
      45                 : #include "nsIDocument.h"
      46                 : #include "nsIDOMDocument.h"
      47                 : #include "nsDOMError.h"
      48                 : #include "nsNodeInfoManager.h"
      49                 : #include "plbase64.h"
      50                 : #include "nsNetUtil.h"
      51                 : #include "prmem.h"
      52                 : #include "nsNetUtil.h"
      53                 : #include "nsXPCOMStrings.h"
      54                 : #include "prlock.h"
      55                 : #include "nsThreadUtils.h"
      56                 : 
      57                 : #include "nsIScriptSecurityManager.h"
      58                 : #include "nsIXPConnect.h"
      59                 : #include "jsapi.h"
      60                 : #include "jsfriendapi.h"
      61                 : #include "jstypedarray.h"
      62                 : #include "nsJSUtils.h"
      63                 : 
      64                 : #include "nsITimer.h"
      65                 : 
      66                 : #include "nsEventDispatcher.h"
      67                 : #include "nsIDOMProgressEvent.h"
      68                 : #include "nsContentUtils.h"
      69                 : 
      70                 : using namespace mozilla::dom;
      71                 : 
      72                 : nsGenericHTMLElement*
      73               0 : NS_NewHTMLAudioElement(already_AddRefed<nsINodeInfo> aNodeInfo,
      74                 :                        FromParser aFromParser)
      75                 : {
      76                 :   /*
      77                 :    * nsHTMLAudioElement's will be created without a nsINodeInfo passed in
      78                 :    * if someone says "var audio = new Audio();" in JavaScript, in a case like
      79                 :    * that we request the nsINodeInfo from the document's nodeinfo list.
      80                 :    */
      81               0 :   nsCOMPtr<nsINodeInfo> nodeInfo(aNodeInfo);
      82               0 :   if (!nodeInfo) {
      83                 :     nsCOMPtr<nsIDocument> doc =
      84               0 :       do_QueryInterface(nsContentUtils::GetDocumentFromCaller());
      85               0 :     NS_ENSURE_TRUE(doc, nsnull);
      86                 : 
      87                 :     nodeInfo = doc->NodeInfoManager()->GetNodeInfo(nsGkAtoms::audio, nsnull,
      88                 :                                                    kNameSpaceID_XHTML,
      89               0 :                                                    nsIDOMNode::ELEMENT_NODE);
      90               0 :     NS_ENSURE_TRUE(nodeInfo, nsnull);
      91                 :   }
      92                 : 
      93               0 :   return new nsHTMLAudioElement(nodeInfo.forget());
      94                 : }
      95                 : 
      96               0 : NS_IMPL_ADDREF_INHERITED(nsHTMLAudioElement, nsHTMLMediaElement)
      97               0 : NS_IMPL_RELEASE_INHERITED(nsHTMLAudioElement, nsHTMLMediaElement)
      98                 : 
      99               0 : DOMCI_NODE_DATA(HTMLAudioElement, nsHTMLAudioElement)
     100                 : 
     101               0 : NS_INTERFACE_TABLE_HEAD(nsHTMLAudioElement)
     102               0 : NS_HTML_CONTENT_INTERFACE_TABLE3(nsHTMLAudioElement, nsIDOMHTMLMediaElement,
     103                 :                                  nsIDOMHTMLAudioElement, nsIJSNativeInitializer)
     104               0 : NS_HTML_CONTENT_INTERFACE_TABLE_TO_MAP_SEGUE(nsHTMLAudioElement,
     105                 :                                                nsHTMLMediaElement)
     106               0 : NS_HTML_CONTENT_INTERFACE_TABLE_TAIL_CLASSINFO(HTMLAudioElement)
     107                 : 
     108               0 : NS_IMPL_ELEMENT_CLONE(nsHTMLAudioElement)
     109                 : 
     110                 : 
     111               0 : nsHTMLAudioElement::nsHTMLAudioElement(already_AddRefed<nsINodeInfo> aNodeInfo)
     112               0 :   : nsHTMLMediaElement(aNodeInfo)
     113                 : {
     114               0 : }
     115                 : 
     116               0 : nsHTMLAudioElement::~nsHTMLAudioElement()
     117                 : {
     118               0 : }
     119                 : 
     120                 : NS_IMETHODIMP
     121               0 : nsHTMLAudioElement::Initialize(nsISupports* aOwner, JSContext* aContext,
     122                 :                                JSObject *aObj, PRUint32 argc, jsval *argv)
     123                 : {
     124                 :   // Audio elements created using "new Audio(...)" should have
     125                 :   // 'preload' set to 'auto' (since the script must intend to
     126                 :   // play the audio)
     127                 :   nsresult rv = SetAttr(kNameSpaceID_None, nsGkAtoms::preload,
     128               0 :                         NS_LITERAL_STRING("auto"), true);
     129               0 :   if (NS_FAILED(rv))
     130               0 :     return rv;
     131                 : 
     132               0 :   if (argc <= 0) {
     133                 :     // Nothing more to do here if we don't get any arguments.
     134               0 :     return NS_OK;
     135                 :   }
     136                 : 
     137                 :   // The only (optional) argument is the url of the audio
     138               0 :   JSString* jsstr = JS_ValueToString(aContext, argv[0]);
     139               0 :   if (!jsstr)
     140               0 :     return NS_ERROR_FAILURE;
     141                 : 
     142               0 :   nsDependentJSString str;
     143               0 :   if (!str.init(aContext, jsstr))
     144               0 :     return NS_ERROR_FAILURE;
     145                 : 
     146               0 :   rv = SetAttr(kNameSpaceID_None, nsGkAtoms::src, str, true);
     147               0 :   if (NS_FAILED(rv))
     148               0 :     return rv;
     149                 : 
     150                 :   // We have been specified with a src URL. Begin a load.
     151               0 :   QueueSelectResourceTask();
     152                 : 
     153               0 :   return NS_OK;
     154                 : }
     155                 : 
     156                 : NS_IMETHODIMP
     157               0 : nsHTMLAudioElement::MozSetup(PRUint32 aChannels, PRUint32 aRate)
     158                 : {
     159                 :   // If there is already a src provided, don't setup another stream
     160               0 :   if (mDecoder) {
     161               0 :     return NS_ERROR_FAILURE;
     162                 :   }
     163                 : 
     164                 :   // MozWriteAudio divides by mChannels, so validate now.
     165               0 :   if (0 == aChannels) {
     166               0 :     return NS_ERROR_FAILURE;
     167                 :   }
     168                 : 
     169               0 :   if (mAudioStream) {
     170               0 :     mAudioStream->Shutdown();
     171                 :   }
     172                 : 
     173               0 :   mAudioStream = nsAudioStream::AllocateStream();
     174               0 :   nsresult rv = mAudioStream->Init(aChannels, aRate,
     175               0 :                                    nsAudioStream::FORMAT_FLOAT32);
     176               0 :   if (NS_FAILED(rv)) {
     177               0 :     mAudioStream->Shutdown();
     178               0 :     mAudioStream = nsnull;
     179               0 :     return rv;
     180                 :   }
     181                 : 
     182               0 :   MetadataLoaded(aChannels, aRate);
     183               0 :   mAudioStream->SetVolume(mVolume);
     184               0 :   return NS_OK;
     185                 : }
     186                 : 
     187                 : NS_IMETHODIMP
     188               0 : nsHTMLAudioElement::MozWriteAudio(const jsval &aData, JSContext *aCx, PRUint32 *aRetVal)
     189                 : {
     190               0 :   if (!mAudioStream) {
     191               0 :     return NS_ERROR_DOM_INVALID_STATE_ERR;
     192                 :   }
     193                 : 
     194               0 :   if (JSVAL_IS_PRIMITIVE(aData)) {
     195               0 :     return NS_ERROR_DOM_TYPE_MISMATCH_ERR;
     196                 :   }
     197                 : 
     198               0 :   JSObject *darray = JSVAL_TO_OBJECT(aData);
     199               0 :   JS::AutoValueRooter tsrc_tvr(aCx);
     200               0 :   JSObject *tsrc = NULL;
     201                 : 
     202                 :   // Allow either Float32Array or plain JS Array
     203               0 :   if (js::GetObjectClass(darray) == &js::TypedArray::fastClasses[js::TypedArray::TYPE_FLOAT32])
     204                 :   {
     205               0 :     tsrc = js::TypedArray::getTypedArray(darray);
     206               0 :   } else if (JS_IsArrayObject(aCx, darray)) {
     207               0 :     JSObject *nobj = js_CreateTypedArrayWithArray(aCx, js::TypedArray::TYPE_FLOAT32, darray);
     208               0 :     if (!nobj) {
     209               0 :       return NS_ERROR_DOM_TYPE_MISMATCH_ERR;
     210                 :     }
     211               0 :     *tsrc_tvr.jsval_addr() = OBJECT_TO_JSVAL(nobj);
     212               0 :     tsrc = js::TypedArray::getTypedArray(nobj);
     213                 :   } else {
     214               0 :     return NS_ERROR_DOM_TYPE_MISMATCH_ERR;
     215                 :   }
     216                 : 
     217               0 :   PRUint32 dataLength = JS_GetTypedArrayLength(tsrc);
     218                 : 
     219                 :   // Make sure that we are going to write the correct amount of data based
     220                 :   // on number of channels.
     221               0 :   if (dataLength % mChannels != 0) {
     222               0 :     return NS_ERROR_DOM_INDEX_SIZE_ERR;
     223                 :   }
     224                 : 
     225                 :   // Don't write more than can be written without blocking.
     226               0 :   PRUint32 writeLen = NS_MIN(mAudioStream->Available(), dataLength / mChannels);
     227                 : 
     228               0 :   nsresult rv = mAudioStream->Write(JS_GetTypedArrayData(tsrc), writeLen);
     229               0 :   if (NS_FAILED(rv)) {
     230               0 :     return rv;
     231                 :   }
     232                 : 
     233                 :   // Return the actual amount written.
     234               0 :   *aRetVal = writeLen * mChannels;
     235               0 :   return rv;
     236                 : }
     237                 : 
     238                 : NS_IMETHODIMP
     239               0 : nsHTMLAudioElement::MozCurrentSampleOffset(PRUint64 *aRetVal)
     240                 : {
     241               0 :   if (!mAudioStream) {
     242               0 :     return NS_ERROR_DOM_INVALID_STATE_ERR;
     243                 :   }
     244                 : 
     245               0 :   *aRetVal = mAudioStream->GetPositionInFrames() * mChannels;
     246               0 :   return NS_OK;
     247                 : }
     248                 : 
     249                 :   
     250               0 : nsresult nsHTMLAudioElement::SetAcceptHeader(nsIHttpChannel* aChannel)
     251                 : {
     252                 :     nsCAutoString value(
     253                 : #ifdef MOZ_WEBM
     254                 :       "audio/webm,"
     255                 : #endif
     256                 : #ifdef MOZ_OGG
     257                 :       "audio/ogg,"
     258                 : #endif
     259                 : #ifdef MOZ_WAVE
     260                 :       "audio/wav,"
     261                 : #endif
     262                 :       "audio/*;q=0.9,"
     263                 : #ifdef MOZ_OGG
     264                 :       "application/ogg;q=0.7,"
     265                 : #endif
     266               0 :       "video/*;q=0.6,*/*;q=0.5");
     267                 : 
     268               0 :     return aChannel->SetRequestHeader(NS_LITERAL_CSTRING("Accept"),
     269                 :                                       value,
     270               0 :                                       false);
     271                 : }

Generated by: LCOV version 1.7