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/*
* Copyright (C) 2007, 2008, 2009, 2010 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 "HTMLVideoElement.h"
#if ENABLE(VIDEO)
#include "CSSPropertyNames.h"
#include "Chrome.h"
#include "ChromeClient.h"
#include "Document.h"
#include "EventNames.h"
#include "Frame.h"
#include "HTMLImageLoader.h"
#include "HTMLNames.h"
#include "HTMLParserIdioms.h"
#include "Logging.h"
#include "Page.h"
#include "RenderImage.h"
#include "RenderVideo.h"
#include "ScriptController.h"
#include "Settings.h"
#include <wtf/IsoMallocInlines.h>
#include <wtf/text/TextStream.h>
#if ENABLE(VIDEO_PRESENTATION_MODE)
#include "VideoFullscreenModel.h"
#endif
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLVideoElement);
using namespace HTMLNames;
inline HTMLVideoElement::HTMLVideoElement(const QualifiedName& tagName, Document& document, bool createdByParser)
: HTMLMediaElement(tagName, document, createdByParser)
{
ASSERT(hasTagName(videoTag));
setHasCustomStyleResolveCallbacks();
m_defaultPosterURL = document.settings().defaultVideoPosterURL();
}
Ref<HTMLVideoElement> HTMLVideoElement::create(const QualifiedName& tagName, Document& document, bool createdByParser)
{
auto videoElement = adoptRef(*new HTMLVideoElement(tagName, document, createdByParser));
videoElement->finishInitialization();
videoElement->suspendIfNeeded();
return videoElement;
}
Ref<HTMLVideoElement> HTMLVideoElement::create(Document& document)
{
return create(videoTag, document, false);
}
bool HTMLVideoElement::rendererIsNeeded(const RenderStyle& style)
{
return HTMLElement::rendererIsNeeded(style);
}
RenderPtr<RenderElement> HTMLVideoElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
{
return createRenderer<RenderVideo>(*this, WTFMove(style));
}
void HTMLVideoElement::didAttachRenderers()
{
HTMLMediaElement::didAttachRenderers();
updateDisplayState();
if (shouldDisplayPosterImage()) {
if (!m_imageLoader)
m_imageLoader = std::make_unique<HTMLImageLoader>(*this);
m_imageLoader->updateFromElement();
if (auto* renderer = this->renderer())
renderer->imageResource().setCachedImage(m_imageLoader->image());
}
}
void HTMLVideoElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStyleProperties& style)
{
if (name == widthAttr)
addHTMLLengthToStyle(style, CSSPropertyWidth, value);
else if (name == heightAttr)
addHTMLLengthToStyle(style, CSSPropertyHeight, value);
else
HTMLMediaElement::collectStyleForPresentationAttribute(name, value, style);
}
bool HTMLVideoElement::isPresentationAttribute(const QualifiedName& name) const
{
if (name == widthAttr || name == heightAttr)
return true;
return HTMLMediaElement::isPresentationAttribute(name);
}
void HTMLVideoElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == posterAttr) {
// Force a poster recalc by setting m_displayMode to Unknown directly before calling updateDisplayState.
HTMLMediaElement::setDisplayMode(Unknown);
updateDisplayState();
if (shouldDisplayPosterImage()) {
if (!m_imageLoader)
m_imageLoader = std::make_unique<HTMLImageLoader>(*this);
m_imageLoader->updateFromElementIgnoringPreviousError();
} else {
if (auto* renderer = this->renderer())
renderer->imageResource().setCachedImage(nullptr);
}
}
#if ENABLE(WIRELESS_PLAYBACK_TARGET)
else if (name == webkitwirelessvideoplaybackdisabledAttr)
mediaSession().setWirelessVideoPlaybackDisabled(true);
#endif
else {
HTMLMediaElement::parseAttribute(name, value);
#if PLATFORM(IOS_FAMILY) && ENABLE(WIRELESS_PLAYBACK_TARGET)
if (name == webkitairplayAttr) {
bool disabled = false;
if (equalLettersIgnoringASCIICase(attributeWithoutSynchronization(HTMLNames::webkitairplayAttr), "deny"))
disabled = true;
mediaSession().setWirelessVideoPlaybackDisabled(disabled);
}
#endif
}
}
bool HTMLVideoElement::supportsFullscreen(HTMLMediaElementEnums::VideoFullscreenMode videoFullscreenMode) const
{
if (!player())
return false;
if (videoFullscreenMode == HTMLMediaElementEnums::VideoFullscreenModePictureInPicture) {
if (!mediaSession().allowsPictureInPicture())
return false;
if (!player()->supportsPictureInPicture())
return false;
}
Page* page = document().page();
if (!page)
return false;
if (!player()->supportsFullscreen())
return false;
#if PLATFORM(IOS_FAMILY)
UNUSED_PARAM(videoFullscreenMode);
// Fullscreen implemented by player.
return true;
#else
#if ENABLE(FULLSCREEN_API)
// If the full screen API is enabled and is supported for the current element
// do not require that the player has a video track to enter full screen.
if (videoFullscreenMode == HTMLMediaElementEnums::VideoFullscreenModeStandard && page->chrome().client().supportsFullScreenForElement(*this, false))
return true;
#endif
if (!player()->hasVideo())
return false;
return page->chrome().client().supportsVideoFullscreen(videoFullscreenMode);
#endif // PLATFORM(IOS_FAMILY)
}
#if ENABLE(FULLSCREEN_API) && PLATFORM(IOS_FAMILY)
void HTMLVideoElement::webkitRequestFullscreen()
{
webkitSetPresentationMode(HTMLVideoElement::VideoPresentationMode::Fullscreen);
}
#endif
unsigned HTMLVideoElement::videoWidth() const
{
if (!player())
return 0;
return clampToUnsigned(player()->naturalSize().width());
}
unsigned HTMLVideoElement::videoHeight() const
{
if (!player())
return 0;
return clampToUnsigned(player()->naturalSize().height());
}
void HTMLVideoElement::scheduleResizeEvent()
{
m_lastReportedVideoWidth = videoWidth();
m_lastReportedVideoHeight = videoHeight();
scheduleEvent(eventNames().resizeEvent);
}
void HTMLVideoElement::scheduleResizeEventIfSizeChanged()
{
if (m_lastReportedVideoWidth == videoWidth() && m_lastReportedVideoHeight == videoHeight())
return;
scheduleResizeEvent();
}
bool HTMLVideoElement::isURLAttribute(const Attribute& attribute) const
{
return attribute.name() == posterAttr || HTMLMediaElement::isURLAttribute(attribute);
}
const AtomicString& HTMLVideoElement::imageSourceURL() const
{
const AtomicString& url = attributeWithoutSynchronization(posterAttr);
if (!stripLeadingAndTrailingHTMLSpaces(url).isEmpty())
return url;
return m_defaultPosterURL;
}
void HTMLVideoElement::setDisplayMode(DisplayMode mode)
{
DisplayMode oldMode = displayMode();
URL poster = posterImageURL();
if (!poster.isEmpty()) {
// We have a poster path, but only show it until the user triggers display by playing or seeking and the
// media engine has something to display.
if (mode == Video) {
if (oldMode != Video && player())
player()->prepareForRendering();
if (!hasAvailableVideoFrame())
mode = PosterWaitingForVideo;
}
} else if (oldMode != Video && player())
player()->prepareForRendering();
HTMLMediaElement::setDisplayMode(mode);
if (player() && player()->canLoadPoster()) {
bool canLoad = true;
if (!poster.isEmpty()) {
if (RefPtr<Frame> frame = document().frame())
canLoad = frame->loader().willLoadMediaElementURL(poster, *this);
}
if (canLoad)
player()->setPoster(poster);
}
if (auto* renderer = this->renderer()) {
if (displayMode() != oldMode)
renderer->updateFromElement();
}
}
void HTMLVideoElement::updateDisplayState()
{
if (posterImageURL().isEmpty())
setDisplayMode(Video);
else if (displayMode() < Poster)
setDisplayMode(Poster);
}
void HTMLVideoElement::paintCurrentFrameInContext(GraphicsContext& context, const FloatRect& destRect)
{
RefPtr<MediaPlayer> player = HTMLMediaElement::player();
if (!player)
return;
player->setVisible(true); // Make player visible or it won't draw.
player->paintCurrentFrameInContext(context, destRect);
}
bool HTMLVideoElement::copyVideoTextureToPlatformTexture(GraphicsContext3D* context, Platform3DObject texture, GC3Denum target, GC3Dint level, GC3Denum internalFormat, GC3Denum format, GC3Denum type, bool premultiplyAlpha, bool flipY)
{
if (!player())
return false;
return player()->copyVideoTextureToPlatformTexture(context, texture, target, level, internalFormat, format, type, premultiplyAlpha, flipY);
}
bool HTMLVideoElement::hasAvailableVideoFrame() const
{
if (!player())
return false;
return player()->hasVideo() && player()->hasAvailableVideoFrame();
}
NativeImagePtr HTMLVideoElement::nativeImageForCurrentTime()
{
if (!player())
return nullptr;
return player()->nativeImageForCurrentTime();
}
ExceptionOr<void> HTMLVideoElement::webkitEnterFullscreen()
{
LOG(Media, "HTMLVideoElement::webkitEnterFullscreen(%p)", this);
if (isFullscreen())
return { };
// Generate an exception if this isn't called in response to a user gesture, or if the
// element does not support fullscreen.
if (!mediaSession().fullscreenPermitted() || !supportsFullscreen(HTMLMediaElementEnums::VideoFullscreenModeStandard))
return Exception { InvalidStateError };
enterFullscreen();
return { };
}
void HTMLVideoElement::webkitExitFullscreen()
{
LOG(Media, "HTMLVideoElement::webkitExitFullscreen(%p)", this);
if (isFullscreen())
exitFullscreen();
}
bool HTMLVideoElement::webkitSupportsFullscreen()
{
return supportsFullscreen(HTMLMediaElementEnums::VideoFullscreenModeStandard);
}
bool HTMLVideoElement::webkitDisplayingFullscreen()
{
return isFullscreen();
}
void HTMLVideoElement::ancestorWillEnterFullscreen()
{
#if PLATFORM(MAC) && ENABLE(VIDEO_PRESENTATION_MODE)
if (fullscreenMode() == VideoFullscreenModeNone)
return;
// If this video element's presentation mode is not inline, but its ancestor
// is entering fullscreen, exit its current fullscreen mode.
exitToFullscreenModeWithoutAnimationIfPossible(fullscreenMode(), VideoFullscreenModeNone);
#endif
}
#if ENABLE(WIRELESS_PLAYBACK_TARGET)
bool HTMLVideoElement::webkitWirelessVideoPlaybackDisabled() const
{
return mediaSession().wirelessVideoPlaybackDisabled();
}
void HTMLVideoElement::setWebkitWirelessVideoPlaybackDisabled(bool disabled)
{
setBooleanAttribute(webkitwirelessvideoplaybackdisabledAttr, disabled);
}
#endif
void HTMLVideoElement::didMoveToNewDocument(Document& oldDocument, Document& newDocument)
{
if (m_imageLoader)
m_imageLoader->elementDidMoveToNewDocument();
HTMLMediaElement::didMoveToNewDocument(oldDocument, newDocument);
}
#if ENABLE(MEDIA_STATISTICS)
unsigned HTMLVideoElement::webkitDecodedFrameCount() const
{
if (!player())
return 0;
return player()->decodedFrameCount();
}
unsigned HTMLVideoElement::webkitDroppedFrameCount() const
{
if (!player())
return 0;
return player()->droppedFrameCount();
}
#endif
URL HTMLVideoElement::posterImageURL() const
{
String url = stripLeadingAndTrailingHTMLSpaces(imageSourceURL());
if (url.isEmpty())
return URL();
return document().completeURL(url);
}
#if ENABLE(VIDEO_PRESENTATION_MODE)
bool HTMLVideoElement::webkitSupportsPresentationMode(VideoPresentationMode mode) const
{
if (mode == VideoPresentationMode::Fullscreen)
return supportsFullscreen(HTMLMediaElementEnums::VideoFullscreenModeStandard);
if (mode == VideoPresentationMode::PictureInPicture) {
#if PLATFORM(COCOA)
if (!supportsPictureInPicture())
return false;
#endif
return supportsFullscreen(HTMLMediaElementEnums::VideoFullscreenModePictureInPicture);
}
if (mode == VideoPresentationMode::Inline)
return !mediaSession().requiresFullscreenForVideoPlayback();
return false;
}
static inline HTMLMediaElementEnums::VideoFullscreenMode toFullscreenMode(HTMLVideoElement::VideoPresentationMode mode)
{
switch (mode) {
case HTMLVideoElement::VideoPresentationMode::Fullscreen:
return HTMLMediaElementEnums::VideoFullscreenModeStandard;
case HTMLVideoElement::VideoPresentationMode::PictureInPicture:
return HTMLMediaElementEnums::VideoFullscreenModePictureInPicture;
case HTMLVideoElement::VideoPresentationMode::Inline:
return HTMLMediaElementEnums::VideoFullscreenModeNone;
}
ASSERT_NOT_REACHED();
return HTMLMediaElementEnums::VideoFullscreenModeNone;
}
void HTMLVideoElement::webkitSetPresentationMode(VideoPresentationMode mode)
{
LOG(Media, "HTMLVideoElement::webkitSetPresentationMode(%p) - %d", this, mode);
setFullscreenMode(toFullscreenMode(mode));
}
void HTMLVideoElement::setFullscreenMode(HTMLMediaElementEnums::VideoFullscreenMode mode)
{
if (mode == VideoFullscreenModeNone && isFullscreen()) {
exitFullscreen();
return;
}
if (!mediaSession().fullscreenPermitted() || !supportsFullscreen(mode))
return;
enterFullscreen(mode);
}
static HTMLVideoElement::VideoPresentationMode toPresentationMode(HTMLMediaElementEnums::VideoFullscreenMode mode)
{
if (mode == HTMLMediaElementEnums::VideoFullscreenModeStandard)
return HTMLVideoElement::VideoPresentationMode::Fullscreen;
if (mode & HTMLMediaElementEnums::VideoFullscreenModePictureInPicture)
return HTMLVideoElement::VideoPresentationMode::PictureInPicture;
if (mode == HTMLMediaElementEnums::VideoFullscreenModeNone)
return HTMLVideoElement::VideoPresentationMode::Inline;
ASSERT_NOT_REACHED();
return HTMLVideoElement::VideoPresentationMode::Inline;
}
auto HTMLVideoElement::webkitPresentationMode() const -> VideoPresentationMode
{
return toPresentationMode(fullscreenMode());
}
void HTMLVideoElement::fullscreenModeChanged(VideoFullscreenMode mode)
{
if (mode != fullscreenMode()) {
LOG(Media, "HTMLVideoElement::fullscreenModeChanged(%p) - mode changed from %i to %i", this, fullscreenMode(), mode);
scheduleEvent(eventNames().webkitpresentationmodechangedEvent);
}
if (player())
player()->setVideoFullscreenMode(mode);
HTMLMediaElement::fullscreenModeChanged(mode);
}
#endif
#if PLATFORM(MAC) && ENABLE(VIDEO_PRESENTATION_MODE)
void HTMLVideoElement::exitToFullscreenModeWithoutAnimationIfPossible(HTMLMediaElementEnums::VideoFullscreenMode fromMode, HTMLMediaElementEnums::VideoFullscreenMode toMode)
{
if (document().page()->chrome().client().supportsVideoFullscreen(fromMode))
document().page()->chrome().client().exitVideoFullscreenToModeWithoutAnimation(*this, toMode);
}
#endif
}
#endif