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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 #include "core/html/HTMLSourceElement.h"
     28 
     29 #include "HTMLNames.h"
     30 #include "core/dom/Event.h"
     31 #include "core/dom/EventNames.h"
     32 #include "core/html/HTMLMediaElement.h"
     33 #include "core/platform/Logging.h"
     34 
     35 using namespace std;
     36 
     37 namespace WebCore {
     38 
     39 using namespace HTMLNames;
     40 
     41 inline HTMLSourceElement::HTMLSourceElement(const QualifiedName& tagName, Document* document)
     42     : HTMLElement(tagName, document)
     43     , m_errorEventTimer(this, &HTMLSourceElement::errorEventTimerFired)
     44 {
     45     LOG(Media, "HTMLSourceElement::HTMLSourceElement - %p", this);
     46     ASSERT(hasTagName(sourceTag));
     47     ScriptWrappable::init(this);
     48 }
     49 
     50 PassRefPtr<HTMLSourceElement> HTMLSourceElement::create(const QualifiedName& tagName, Document* document)
     51 {
     52     return adoptRef(new HTMLSourceElement(tagName, document));
     53 }
     54 
     55 Node::InsertionNotificationRequest HTMLSourceElement::insertedInto(ContainerNode* insertionPoint)
     56 {
     57     HTMLElement::insertedInto(insertionPoint);
     58     Element* parent = parentElement();
     59     if (parent && parent->isMediaElement())
     60         static_cast<HTMLMediaElement*>(parentNode())->sourceWasAdded(this);
     61     return InsertionDone;
     62 }
     63 
     64 void HTMLSourceElement::removedFrom(ContainerNode* removalRoot)
     65 {
     66     Element* parent = parentElement();
     67     if (!parent && removalRoot->isElementNode())
     68         parent = toElement(removalRoot);
     69     if (parent && parent->isMediaElement())
     70         toMediaElement(parent)->sourceWasRemoved(this);
     71     HTMLElement::removedFrom(removalRoot);
     72 }
     73 
     74 void HTMLSourceElement::setSrc(const String& url)
     75 {
     76     setAttribute(srcAttr, url);
     77 }
     78 
     79 String HTMLSourceElement::media() const
     80 {
     81     return getAttribute(mediaAttr);
     82 }
     83 
     84 void HTMLSourceElement::setMedia(const String& media)
     85 {
     86     setAttribute(mediaAttr, media);
     87 }
     88 
     89 String HTMLSourceElement::type() const
     90 {
     91     return getAttribute(typeAttr);
     92 }
     93 
     94 void HTMLSourceElement::setType(const String& type)
     95 {
     96     setAttribute(typeAttr, type);
     97 }
     98 
     99 void HTMLSourceElement::scheduleErrorEvent()
    100 {
    101     LOG(Media, "HTMLSourceElement::scheduleErrorEvent - %p", this);
    102     if (m_errorEventTimer.isActive())
    103         return;
    104 
    105     m_errorEventTimer.startOneShot(0);
    106 }
    107 
    108 void HTMLSourceElement::cancelPendingErrorEvent()
    109 {
    110     LOG(Media, "HTMLSourceElement::cancelPendingErrorEvent - %p", this);
    111     m_errorEventTimer.stop();
    112 }
    113 
    114 void HTMLSourceElement::errorEventTimerFired(Timer<HTMLSourceElement>*)
    115 {
    116     LOG(Media, "HTMLSourceElement::errorEventTimerFired - %p", this);
    117     dispatchEvent(Event::create(eventNames().errorEvent, false, true));
    118 }
    119 
    120 bool HTMLSourceElement::isURLAttribute(const Attribute& attribute) const
    121 {
    122     return attribute.name() == srcAttr || HTMLElement::isURLAttribute(attribute);
    123 }
    124 
    125 }
    126