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      1 /*
      2  * Copyright (C) 2007, 2008, 2010 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 
     28 #if ENABLE(VIDEO)
     29 #include "HTMLSourceElement.h"
     30 
     31 #include "Event.h"
     32 #include "EventNames.h"
     33 #include "HTMLDocument.h"
     34 #include "HTMLMediaElement.h"
     35 #include "HTMLNames.h"
     36 #include "Logging.h"
     37 
     38 using namespace std;
     39 
     40 namespace WebCore {
     41 
     42 using namespace HTMLNames;
     43 
     44 inline HTMLSourceElement::HTMLSourceElement(const QualifiedName& tagName, Document* document)
     45     : HTMLElement(tagName, document)
     46     , m_errorEventTimer(this, &HTMLSourceElement::errorEventTimerFired)
     47 {
     48     LOG(Media, "HTMLSourceElement::HTMLSourceElement - %p", this);
     49     ASSERT(hasTagName(sourceTag));
     50 }
     51 
     52 PassRefPtr<HTMLSourceElement> HTMLSourceElement::create(const QualifiedName& tagName, Document* document)
     53 {
     54     return adoptRef(new HTMLSourceElement(tagName, document));
     55 }
     56 
     57 void HTMLSourceElement::insertedIntoTree(bool deep)
     58 {
     59     HTMLElement::insertedIntoTree(deep);
     60     if (parentNode() && (parentNode()->hasTagName(audioTag) || parentNode()->hasTagName(videoTag)))
     61         static_cast<HTMLMediaElement*>(parentNode())->sourceWasAdded(this);
     62 }
     63 
     64 void HTMLSourceElement::willRemove()
     65 {
     66     if (parentNode() && (parentNode()->hasTagName(audioTag) || parentNode()->hasTagName(videoTag)))
     67         static_cast<HTMLMediaElement*>(parentNode())->sourceWillBeRemoved(this);
     68     HTMLElement::willRemove();
     69 }
     70 
     71 void HTMLSourceElement::setSrc(const String& url)
     72 {
     73     setAttribute(srcAttr, url);
     74 }
     75 
     76 String HTMLSourceElement::media() const
     77 {
     78     return getAttribute(mediaAttr);
     79 }
     80 
     81 void HTMLSourceElement::setMedia(const String& media)
     82 {
     83     setAttribute(mediaAttr, media);
     84 }
     85 
     86 String HTMLSourceElement::type() const
     87 {
     88     return getAttribute(typeAttr);
     89 }
     90 
     91 void HTMLSourceElement::setType(const String& type)
     92 {
     93     setAttribute(typeAttr, type);
     94 }
     95 
     96 void HTMLSourceElement::scheduleErrorEvent()
     97 {
     98     LOG(Media, "HTMLSourceElement::scheduleErrorEvent - %p", this);
     99     if (m_errorEventTimer.isActive())
    100         return;
    101 
    102     m_errorEventTimer.startOneShot(0);
    103 }
    104 
    105 void HTMLSourceElement::cancelPendingErrorEvent()
    106 {
    107     LOG(Media, "HTMLSourceElement::cancelPendingErrorEvent - %p", this);
    108     m_errorEventTimer.stop();
    109 }
    110 
    111 void HTMLSourceElement::errorEventTimerFired(Timer<HTMLSourceElement>*)
    112 {
    113     LOG(Media, "HTMLSourceElement::errorEventTimerFired - %p", this);
    114     dispatchEvent(Event::create(eventNames().errorEvent, false, true));
    115 }
    116 
    117 bool HTMLSourceElement::isURLAttribute(Attribute* attribute) const
    118 {
    119     return attribute->name() == srcAttr;
    120 }
    121 
    122 }
    123 
    124 #endif
    125