2
* Copyright (C) 2009 Apple Inc. All rights reserved.
4
* Redistribution and use in source and binary forms, with or without
5
* modification, are permitted provided that the following conditions
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.
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.
27
#include "StyleMedia.h"
31
#include "FrameView.h"
32
#include "MediaList.h"
33
#include "MediaQueryEvaluator.h"
34
#include "StyleResolver.h"
38
StyleMedia::StyleMedia(Frame* frame)
39
: DOMWindowProperty(frame)
43
String StyleMedia::type() const
45
FrameView* view = m_frame ? m_frame->view() : 0;
47
return view->mediaType();
52
bool StyleMedia::matchMedium(const String& query) const
57
Document* document = m_frame->document();
59
Element* documentElement = document->documentElement();
63
StyleResolver* styleResolver = document->styleResolver();
67
RefPtr<RenderStyle> rootStyle = styleResolver->styleForElement(documentElement, 0 /*defaultParent*/, DisallowStyleSharing, MatchOnlyUserAgentRules);
69
RefPtr<MediaQuerySet> media = MediaQuerySet::create();
70
if (!media->parse(query))
73
MediaQueryEvaluator screenEval(type(), m_frame, rootStyle.get());
74
return screenEval.eval(media.get());
77
} // namespace WebCore