LCOV - app.info - content/html/content/src/nsHTMLAudioElement.cpp

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: | 2012-07-07 | 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                 : }

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