blob: c2531c7410cbbe379034d8d6a4b76cf179467492 [file] [log] [blame]
/*
* Copyright (C) 2008 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "MediaDocument.h"
#if ENABLE(VIDEO)
#include "Chrome.h"
#include "ChromeClient.h"
#include "DocumentLoader.h"
#include "EventNames.h"
#include "Frame.h"
#include "FrameLoader.h"
#include "FrameLoaderClient.h"
#include "HTMLBodyElement.h"
#include "HTMLEmbedElement.h"
#include "HTMLHeadElement.h"
#include "HTMLHtmlElement.h"
#include "HTMLMetaElement.h"
#include "HTMLNames.h"
#include "HTMLSourceElement.h"
#include "HTMLVideoElement.h"
#include "KeyboardEvent.h"
#include "NodeList.h"
#include "Page.h"
#include "RawDataDocumentParser.h"
#include "RuntimeEnabledFeatures.h"
#include "ScriptController.h"
#include "ShadowRoot.h"
#include "TypedElementDescendantIterator.h"
#include <wtf/IsoMallocInlines.h>
#include <wtf/text/StringBuilder.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(MediaDocument);
using namespace HTMLNames;
// FIXME: Share more code with PluginDocumentParser.
class MediaDocumentParser final : public RawDataDocumentParser {
public:
static Ref<MediaDocumentParser> create(MediaDocument& document)
{
return adoptRef(*new MediaDocumentParser(document));
}
private:
MediaDocumentParser(MediaDocument& document)
: RawDataDocumentParser { document }
, m_outgoingReferrer { document.outgoingReferrer() }
{
}
void appendBytes(DocumentWriter&, const uint8_t*, size_t) final;
void createDocumentStructure();
HTMLMediaElement* m_mediaElement { nullptr };
String m_outgoingReferrer;
};
void MediaDocumentParser::createDocumentStructure()
{
auto& document = *this->document();
auto rootElement = HTMLHtmlElement::create(document);
document.appendChild(rootElement);
document.setCSSTarget(rootElement.ptr());
rootElement->insertedByParser();
if (document.frame())
document.frame()->injectUserScripts(UserScriptInjectionTime::DocumentStart);
#if PLATFORM(IOS_FAMILY)
auto headElement = HTMLHeadElement::create(document);
rootElement->appendChild(headElement);
auto metaElement = HTMLMetaElement::create(document);
metaElement->setAttributeWithoutSynchronization(nameAttr, AtomString("viewport", AtomString::ConstructFromLiteral));
metaElement->setAttributeWithoutSynchronization(contentAttr, AtomString("width=device-width,initial-scale=1", AtomString::ConstructFromLiteral));
headElement->appendChild(metaElement);
#endif
auto body = HTMLBodyElement::create(document);
rootElement->appendChild(body);
auto videoElement = HTMLVideoElement::create(document);
m_mediaElement = videoElement.ptr();
videoElement->setAttributeWithoutSynchronization(controlsAttr, emptyAtom());
videoElement->setAttributeWithoutSynchronization(autoplayAttr, emptyAtom());
videoElement->setAttributeWithoutSynchronization(srcAttr, document.url().string());
if (RefPtr loader = document.loader())
videoElement->setAttributeWithoutSynchronization(typeAttr, loader->responseMIMEType());
#if !ENABLE(MODERN_MEDIA_CONTROLS)
videoElement->setAttribute(styleAttr, AtomString("max-width: 100%; max-height: 100%;", AtomString::ConstructFromLiteral));
#endif // !ENABLE(MODERN_MEDIA_CONTROLS)
body->appendChild(videoElement);
document.setHasVisuallyNonEmptyCustomContent();
RefPtr<Frame> frame = document.frame();
if (!frame)
return;
frame->loader().activeDocumentLoader()->setMainResourceDataBufferingPolicy(DataBufferingPolicy::DoNotBufferData);
frame->loader().setOutgoingReferrer(document.completeURL(m_outgoingReferrer));
}
void MediaDocumentParser::appendBytes(DocumentWriter&, const uint8_t*, size_t)
{
if (m_mediaElement)
return;
createDocumentStructure();
finish();
}
MediaDocument::MediaDocument(Frame* frame, const Settings& settings, const URL& url)
: HTMLDocument(frame, settings, url, { }, { DocumentClass::Media })
{
setCompatibilityMode(DocumentCompatibilityMode::QuirksMode);
lockCompatibilityMode();
if (frame)
m_outgoingReferrer = frame->loader().outgoingReferrer();
}
MediaDocument::~MediaDocument()
{
}
Ref<DocumentParser> MediaDocument::createParser()
{
return MediaDocumentParser::create(*this);
}
static inline HTMLVideoElement* descendantVideoElement(ContainerNode& node)
{
if (is<HTMLVideoElement>(node))
return downcast<HTMLVideoElement>(&node);
return descendantsOfType<HTMLVideoElement>(node).first();
}
static inline HTMLVideoElement* ancestorVideoElement(Node* node)
{
while (node && !is<HTMLVideoElement>(*node))
node = node->parentOrShadowHostNode();
return downcast<HTMLVideoElement>(node);
}
void MediaDocument::defaultEventHandler(Event& event)
{
#if !ENABLE(MODERN_MEDIA_CONTROLS)
// Match the default Quicktime plugin behavior to allow
// clicking and double-clicking to pause and play the media.
if (!is<Node>(event.target()))
return;
auto& targetNode = downcast<Node>(*event.target());
if (RefPtr video = ancestorVideoElement(&targetNode)) {
if (event.type() == eventNames().clickEvent) {
if (!video->canPlay()) {
video->pause();
event.setDefaultHandled();
}
} else if (event.type() == eventNames().dblclickEvent) {
if (video->canPlay()) {
video->play();
event.setDefaultHandled();
}
}
}
if (!is<ContainerNode>(targetNode))
return;
auto& targetContainer = downcast<ContainerNode>(targetNode);
if (event.type() == eventNames().keydownEvent && is<KeyboardEvent>(event)) {
RefPtr video = descendantVideoElement(targetContainer);
if (!video)
return;
auto& keyboardEvent = downcast<KeyboardEvent>(event);
if (keyboardEvent.keyIdentifier() == "U+0020") { // space
if (video->paused()) {
if (video->canPlay())
video->play();
} else
video->pause();
keyboardEvent.setDefaultHandled();
}
}
#else // !ENABLE(MODERN_MEDIA_CONTROLS)
UNUSED_PARAM(event);
#endif
}
void MediaDocument::replaceMediaElementTimerFired()
{
RefPtr htmlBody = bodyOrFrameset();
if (!htmlBody)
return;
// Set body margin width and height to 0 as that is what a PluginDocument uses.
htmlBody->setAttributeWithoutSynchronization(marginwidthAttr, AtomString("0", AtomString::ConstructFromLiteral));
htmlBody->setAttributeWithoutSynchronization(marginheightAttr, AtomString("0", AtomString::ConstructFromLiteral));
if (RefPtr videoElement = descendantVideoElement(*htmlBody)) {
auto embedElement = HTMLEmbedElement::create(*this);
embedElement->setAttributeWithoutSynchronization(widthAttr, AtomString("100%", AtomString::ConstructFromLiteral));
embedElement->setAttributeWithoutSynchronization(heightAttr, AtomString("100%", AtomString::ConstructFromLiteral));
embedElement->setAttributeWithoutSynchronization(nameAttr, AtomString("plugin", AtomString::ConstructFromLiteral));
embedElement->setAttributeWithoutSynchronization(srcAttr, url().string());
ASSERT(loader());
if (RefPtr loader = this->loader())
embedElement->setAttributeWithoutSynchronization(typeAttr, loader->writer().mimeType());
videoElement->parentNode()->replaceChild(embedElement, *videoElement);
}
}
void MediaDocument::mediaElementNaturalSizeChanged(const IntSize& newSize)
{
if (ownerElement())
return;
if (newSize.isZero())
return;
if (page())
page()->chrome().client().imageOrMediaDocumentSizeChanged(newSize);
}
}
#endif