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