18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 20bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch * Copyright (C) 2009 Apple Inc. All rights reserved. 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Redistribution and use in source and binary forms, with or without 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modification, are permitted provided that the following conditions 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * are met: 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer. 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * documentation and/or other materials provided with the distribution. 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 26635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project#include "config.h" 2721939df44de1705786c545cd1bf519d47250322dBen Murdoch#include "StyleMedia.h" 280bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch 290bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch#include "CSSStyleSelector.h" 300bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch#include "Frame.h" 310bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch#include "FrameView.h" 320bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch#include "MediaList.h" 330bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch#include "MediaQueryEvaluator.h" 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace WebCore { 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 3721939df44de1705786c545cd1bf519d47250322dBen MurdochStyleMedia::StyleMedia(Frame* frame) 38d0825bca7fe65beaee391d30da42e937db621564Steve Block : m_frame(frame) 39635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project{ 40635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project} 418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 4221939df44de1705786c545cd1bf519d47250322dBen MurdochString StyleMedia::type() const 43635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project{ 44d0825bca7fe65beaee391d30da42e937db621564Steve Block FrameView* view = m_frame ? m_frame->view() : 0; 450bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch if (view) 460bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch return view->mediaType(); 478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 480bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch return String(); 49635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project} 508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 5121939df44de1705786c545cd1bf519d47250322dBen Murdochbool StyleMedia::matchMedium(const String& query) const 52635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project{ 53d0825bca7fe65beaee391d30da42e937db621564Steve Block if (!m_frame) 54d0825bca7fe65beaee391d30da42e937db621564Steve Block return false; 55d0825bca7fe65beaee391d30da42e937db621564Steve Block 56d0825bca7fe65beaee391d30da42e937db621564Steve Block Document* document = m_frame->document(); 57d0825bca7fe65beaee391d30da42e937db621564Steve Block ASSERT(document); 58d0825bca7fe65beaee391d30da42e937db621564Steve Block Element* documentElement = document->documentElement(); 59dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch if (!documentElement) 60dd8bb3de4f353a81954234999f1fea748aee2ea9Ben Murdoch return false; 618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 620bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch CSSStyleSelector* styleSelector = document->styleSelector(); 63d0825bca7fe65beaee391d30da42e937db621564Steve Block if (!styleSelector) 640bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch return false; 658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 66d0825bca7fe65beaee391d30da42e937db621564Steve Block RefPtr<RenderStyle> rootStyle = styleSelector->styleForElement(documentElement, 0 /*defaultParent*/, false /*allowSharing*/, true /*resolveForRootDefault*/); 670bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch RefPtr<MediaList> media = MediaList::create(); 680bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch 690bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch ExceptionCode ec = 0; 700bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch media->setMediaText(query, ec); 710bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch if (ec) 720bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch return false; 730bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch 74d0825bca7fe65beaee391d30da42e937db621564Steve Block MediaQueryEvaluator screenEval(type(), m_frame, rootStyle.get()); 750bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch return screenEval.eval(media.get()); 76635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project} 778e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 78635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project} // namespace WebCore 79