264 lines
8.9 KiB
C++
264 lines
8.9 KiB
C++
/*
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* Copyright (C) 2008 Apple Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "MediaDocument.h"
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#if ENABLE(VIDEO)
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#include "Chrome.h"
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#include "ChromeClient.h"
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#include "DocumentLoader.h"
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#include "EventNames.h"
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#include "Frame.h"
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#include "FrameLoader.h"
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#include "FrameLoaderClient.h"
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#include "HTMLBodyElement.h"
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#include "HTMLEmbedElement.h"
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#include "HTMLHeadElement.h"
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#include "HTMLHtmlElement.h"
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#include "HTMLMetaElement.h"
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#include "HTMLNames.h"
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#include "HTMLSourceElement.h"
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#include "HTMLVideoElement.h"
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#include "KeyboardEvent.h"
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#include "NodeList.h"
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#include "Page.h"
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#include "RawDataDocumentParser.h"
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#include "RuntimeEnabledFeatures.h"
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#include "ScriptController.h"
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#include "ShadowRoot.h"
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#include "TypedElementDescendantIterator.h"
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#include <wtf/IsoMallocInlines.h>
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#include <wtf/text/StringBuilder.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(MediaDocument);
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using namespace HTMLNames;
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// FIXME: Share more code with PluginDocumentParser.
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class MediaDocumentParser final : public RawDataDocumentParser {
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public:
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static Ref<MediaDocumentParser> create(MediaDocument& document)
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{
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return adoptRef(*new MediaDocumentParser(document));
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}
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private:
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MediaDocumentParser(MediaDocument& document)
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: RawDataDocumentParser { document }
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, m_outgoingReferrer { document.outgoingReferrer() }
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{
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}
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void appendBytes(DocumentWriter&, const uint8_t*, size_t) final;
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void createDocumentStructure();
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HTMLMediaElement* m_mediaElement { nullptr };
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String m_outgoingReferrer;
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};
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void MediaDocumentParser::createDocumentStructure()
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{
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auto& document = *this->document();
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auto rootElement = HTMLHtmlElement::create(document);
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document.appendChild(rootElement);
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document.setCSSTarget(rootElement.ptr());
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rootElement->insertedByParser();
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if (document.frame())
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document.frame()->injectUserScripts(UserScriptInjectionTime::DocumentStart);
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#if PLATFORM(IOS_FAMILY)
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auto headElement = HTMLHeadElement::create(document);
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rootElement->appendChild(headElement);
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auto metaElement = HTMLMetaElement::create(document);
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metaElement->setAttributeWithoutSynchronization(nameAttr, AtomString("viewport", AtomString::ConstructFromLiteral));
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metaElement->setAttributeWithoutSynchronization(contentAttr, AtomString("width=device-width,initial-scale=1", AtomString::ConstructFromLiteral));
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headElement->appendChild(metaElement);
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#endif
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auto body = HTMLBodyElement::create(document);
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rootElement->appendChild(body);
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auto videoElement = HTMLVideoElement::create(document);
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m_mediaElement = videoElement.ptr();
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videoElement->setAttributeWithoutSynchronization(controlsAttr, emptyAtom());
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videoElement->setAttributeWithoutSynchronization(autoplayAttr, emptyAtom());
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videoElement->setAttributeWithoutSynchronization(srcAttr, document.url().string());
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if (auto loader = makeRefPtr(document.loader()))
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videoElement->setAttributeWithoutSynchronization(typeAttr, loader->responseMIMEType());
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#if !ENABLE(MODERN_MEDIA_CONTROLS)
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videoElement->setAttribute(styleAttr, AtomString("max-width: 100%; max-height: 100%;", AtomString::ConstructFromLiteral));
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#endif // !ENABLE(MODERN_MEDIA_CONTROLS)
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body->appendChild(videoElement);
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document.setHasVisuallyNonEmptyCustomContent();
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RefPtr<Frame> frame = document.frame();
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if (!frame)
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return;
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frame->loader().activeDocumentLoader()->setMainResourceDataBufferingPolicy(DataBufferingPolicy::DoNotBufferData);
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frame->loader().setOutgoingReferrer(document.completeURL(m_outgoingReferrer));
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}
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void MediaDocumentParser::appendBytes(DocumentWriter&, const uint8_t*, size_t)
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{
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if (m_mediaElement)
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return;
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createDocumentStructure();
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finish();
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}
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MediaDocument::MediaDocument(Frame* frame, const Settings& settings, const URL& url)
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: HTMLDocument(frame, settings, url, MediaDocumentClass)
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{
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setCompatibilityMode(DocumentCompatibilityMode::QuirksMode);
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lockCompatibilityMode();
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if (frame)
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m_outgoingReferrer = frame->loader().outgoingReferrer();
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}
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MediaDocument::~MediaDocument()
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{
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}
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Ref<DocumentParser> MediaDocument::createParser()
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{
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return MediaDocumentParser::create(*this);
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}
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static inline HTMLVideoElement* descendantVideoElement(ContainerNode& node)
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{
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if (is<HTMLVideoElement>(node))
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return downcast<HTMLVideoElement>(&node);
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return descendantsOfType<HTMLVideoElement>(node).first();
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}
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static inline HTMLVideoElement* ancestorVideoElement(Node* node)
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{
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while (node && !is<HTMLVideoElement>(*node))
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node = node->parentOrShadowHostNode();
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return downcast<HTMLVideoElement>(node);
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}
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void MediaDocument::defaultEventHandler(Event& event)
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{
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#if !ENABLE(MODERN_MEDIA_CONTROLS)
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// Match the default Quicktime plugin behavior to allow
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// clicking and double-clicking to pause and play the media.
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if (!is<Node>(event.target()))
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return;
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auto& targetNode = downcast<Node>(*event.target());
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if (auto video = makeRefPtr(ancestorVideoElement(&targetNode))) {
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if (event.type() == eventNames().clickEvent) {
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if (!video->canPlay()) {
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video->pause();
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event.setDefaultHandled();
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}
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} else if (event.type() == eventNames().dblclickEvent) {
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if (video->canPlay()) {
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video->play();
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event.setDefaultHandled();
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}
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}
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}
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if (!is<ContainerNode>(targetNode))
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return;
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auto& targetContainer = downcast<ContainerNode>(targetNode);
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if (event.type() == eventNames().keydownEvent && is<KeyboardEvent>(event)) {
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auto video = makeRefPtr(descendantVideoElement(targetContainer));
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if (!video)
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return;
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auto& keyboardEvent = downcast<KeyboardEvent>(event);
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if (keyboardEvent.keyIdentifier() == "U+0020") { // space
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if (video->paused()) {
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if (video->canPlay())
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video->play();
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} else
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video->pause();
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keyboardEvent.setDefaultHandled();
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}
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}
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#else // !ENABLE(MODERN_MEDIA_CONTROLS)
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UNUSED_PARAM(event);
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#endif
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}
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void MediaDocument::replaceMediaElementTimerFired()
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{
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auto htmlBody = makeRefPtr(bodyOrFrameset());
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if (!htmlBody)
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return;
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// Set body margin width and height to 0 as that is what a PluginDocument uses.
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htmlBody->setAttributeWithoutSynchronization(marginwidthAttr, AtomString("0", AtomString::ConstructFromLiteral));
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htmlBody->setAttributeWithoutSynchronization(marginheightAttr, AtomString("0", AtomString::ConstructFromLiteral));
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if (auto videoElement = makeRefPtr(descendantVideoElement(*htmlBody))) {
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auto embedElement = HTMLEmbedElement::create(*this);
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embedElement->setAttributeWithoutSynchronization(widthAttr, AtomString("100%", AtomString::ConstructFromLiteral));
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embedElement->setAttributeWithoutSynchronization(heightAttr, AtomString("100%", AtomString::ConstructFromLiteral));
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embedElement->setAttributeWithoutSynchronization(nameAttr, AtomString("plugin", AtomString::ConstructFromLiteral));
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embedElement->setAttributeWithoutSynchronization(srcAttr, url().string());
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ASSERT(loader());
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if (auto loader = makeRefPtr(this->loader()))
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embedElement->setAttributeWithoutSynchronization(typeAttr, loader->writer().mimeType());
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videoElement->parentNode()->replaceChild(embedElement, *videoElement);
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}
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}
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void MediaDocument::mediaElementNaturalSizeChanged(const IntSize& newSize)
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{
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if (ownerElement())
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return;
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if (newSize.isZero())
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return;
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if (page())
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page()->chrome().client().imageOrMediaDocumentSizeChanged(newSize);
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}
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}
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#endif
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