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      1 /*
      2  * Copyright (C) 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
      3  * Copyright (C) 2012 Google Inc. All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  *
      9  * 1.  Redistributions of source code must retain the above copyright
     10  *     notice, this list of conditions and the following disclaimer.
     11  * 2.  Redistributions in binary form must reproduce the above copyright
     12  *     notice, this list of conditions and the following disclaimer in the
     13  *     documentation and/or other materials provided with the distribution.
     14  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     15  *     its contributors may be used to endorse or promote products derived
     16  *     from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     19  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     21  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     22  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     25  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 #include "config.h"
     31 
     32 #include "core/html/shadow/MediaControlElementTypes.h"
     33 
     34 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
     35 #include "core/CSSValueKeywords.h"
     36 #include "core/HTMLNames.h"
     37 #include "core/css/StylePropertySet.h"
     38 #include "core/events/MouseEvent.h"
     39 #include "core/html/HTMLMediaElement.h"
     40 #include "core/html/shadow/MediaControls.h"
     41 
     42 namespace blink {
     43 
     44 using namespace HTMLNames;
     45 
     46 class Event;
     47 
     48 HTMLMediaElement* toParentMediaElement(Node* node)
     49 {
     50     if (!node)
     51         return 0;
     52     Node* mediaNode = node->shadowHost();
     53     if (!mediaNode)
     54         return 0;
     55     if (!isHTMLMediaElement(mediaNode))
     56         return 0;
     57 
     58     return toHTMLMediaElement(mediaNode);
     59 }
     60 
     61 MediaControlElementType mediaControlElementType(Node* node)
     62 {
     63     ASSERT_WITH_SECURITY_IMPLICATION(node->isMediaControlElement());
     64     HTMLElement* element = toHTMLElement(node);
     65     if (isHTMLInputElement(*element))
     66         return static_cast<MediaControlInputElement*>(element)->displayType();
     67     return static_cast<MediaControlDivElement*>(element)->displayType();
     68 }
     69 
     70 MediaControlElement::MediaControlElement(MediaControls& mediaControls, MediaControlElementType displayType, HTMLElement* element)
     71     : m_mediaControls(mediaControls)
     72     , m_displayType(displayType)
     73     , m_element(element)
     74 {
     75 }
     76 
     77 HTMLMediaElement& MediaControlElement::mediaElement() const
     78 {
     79     return mediaControls().mediaElement();
     80 }
     81 
     82 void MediaControlElement::hide()
     83 {
     84     m_element->setInlineStyleProperty(CSSPropertyDisplay, CSSValueNone);
     85 }
     86 
     87 void MediaControlElement::show()
     88 {
     89     m_element->removeInlineStyleProperty(CSSPropertyDisplay);
     90 }
     91 
     92 void MediaControlElement::setDisplayType(MediaControlElementType displayType)
     93 {
     94     if (displayType == m_displayType)
     95         return;
     96 
     97     m_displayType = displayType;
     98     if (RenderObject* object = m_element->renderer())
     99         object->setShouldDoFullPaintInvalidation(true);
    100 }
    101 
    102 void MediaControlElement::trace(Visitor* visitor)
    103 {
    104     visitor->trace(m_element);
    105 }
    106 
    107 // ----------------------------
    108 
    109 MediaControlDivElement::MediaControlDivElement(MediaControls& mediaControls, MediaControlElementType displayType)
    110     : HTMLDivElement(mediaControls.document())
    111     , MediaControlElement(mediaControls, displayType, this)
    112 {
    113 }
    114 
    115 void MediaControlDivElement::trace(Visitor* visitor)
    116 {
    117     MediaControlElement::trace(visitor);
    118     HTMLDivElement::trace(visitor);
    119 }
    120 
    121 // ----------------------------
    122 
    123 MediaControlInputElement::MediaControlInputElement(MediaControls& mediaControls, MediaControlElementType displayType)
    124     : HTMLInputElement(mediaControls.document(), 0, false)
    125     , MediaControlElement(mediaControls, displayType, this)
    126 {
    127 }
    128 
    129 bool MediaControlInputElement::isMouseFocusable() const
    130 {
    131     return false;
    132 }
    133 
    134 void MediaControlInputElement::trace(Visitor* visitor)
    135 {
    136     MediaControlElement::trace(visitor);
    137     HTMLInputElement::trace(visitor);
    138 }
    139 
    140 // ----------------------------
    141 
    142 MediaControlTimeDisplayElement::MediaControlTimeDisplayElement(MediaControls& mediaControls, MediaControlElementType displayType)
    143     : MediaControlDivElement(mediaControls, displayType)
    144     , m_currentValue(0)
    145 {
    146 }
    147 
    148 void MediaControlTimeDisplayElement::setCurrentValue(double time)
    149 {
    150     m_currentValue = time;
    151 }
    152 
    153 } // namespace blink
    154