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      1 /*
      2  * Copyright (C) 2011 Google 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 are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 
     33 #include "core/html/shadow/ProgressShadowElement.h"
     34 
     35 #include "HTMLNames.h"
     36 #include "core/html/HTMLProgressElement.h"
     37 #include "core/rendering/RenderProgress.h"
     38 
     39 namespace WebCore {
     40 
     41 using namespace HTMLNames;
     42 
     43 ProgressShadowElement::ProgressShadowElement(Document& document)
     44     : HTMLDivElement(document)
     45 {
     46 }
     47 
     48 HTMLProgressElement* ProgressShadowElement::progressElement() const
     49 {
     50     return toHTMLProgressElement(shadowHost());
     51 }
     52 
     53 bool ProgressShadowElement::rendererIsNeeded(const RenderStyle& style)
     54 {
     55     RenderObject* progressRenderer = progressElement()->renderer();
     56     return progressRenderer && !progressRenderer->style()->hasAppearance() && HTMLDivElement::rendererIsNeeded(style);
     57 }
     58 
     59 ProgressInnerElement::ProgressInnerElement(Document& document)
     60     : ProgressShadowElement(document)
     61 {
     62 }
     63 
     64 RenderObject* ProgressInnerElement::createRenderer(RenderStyle*)
     65 {
     66     return new RenderProgress(this);
     67 }
     68 
     69 bool ProgressInnerElement::rendererIsNeeded(const RenderStyle& style)
     70 {
     71     if (progressElement()->hasAuthorShadowRoot())
     72         return HTMLDivElement::rendererIsNeeded(style);
     73 
     74     RenderObject* progressRenderer = progressElement()->renderer();
     75     return progressRenderer && !progressRenderer->style()->hasAppearance() && HTMLDivElement::rendererIsNeeded(style);
     76 }
     77 
     78 ProgressBarElement::ProgressBarElement(Document& document)
     79     : ProgressShadowElement(document)
     80 {
     81 }
     82 
     83 ProgressValueElement::ProgressValueElement(Document& document)
     84     : ProgressShadowElement(document)
     85 {
     86 }
     87 
     88 void ProgressValueElement::setWidthPercentage(double width)
     89 {
     90     setInlineStyleProperty(CSSPropertyWidth, width, CSSPrimitiveValue::CSS_PERCENTAGE);
     91 }
     92 
     93 }
     94