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 "third_party/blink/renderer/core/html/shadow/progress_shadow_element.h"
32 
33 #include "third_party/blink/renderer/core/dom/node_computed_style.h"
34 #include "third_party/blink/renderer/core/html/html_progress_element.h"
35 
36 namespace blink {
37 
ProgressShadowElement(Document & document)38 ProgressShadowElement::ProgressShadowElement(Document& document)
39     : HTMLDivElement(document) {
40   SetHasCustomStyleCallbacks();
41 }
42 
ProgressElement() const43 HTMLProgressElement* ProgressShadowElement::ProgressElement() const {
44   return To<HTMLProgressElement>(OwnerShadowHost());
45 }
46 
47 scoped_refptr<ComputedStyle>
CustomStyleForLayoutObject()48 ProgressShadowElement::CustomStyleForLayoutObject() {
49   scoped_refptr<ComputedStyle> style = OriginalStyleForLayoutObject();
50   const ComputedStyle* progress_style = ProgressElement()->GetComputedStyle();
51   DCHECK(progress_style);
52   if (progress_style->HasEffectiveAppearance())
53     style->SetDisplay(EDisplay::kNone);
54   return style;
55 }
56 
57 }  // namespace blink
58