1/*
2 * Copyright (C) 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
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.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE 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 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.
24 */
25
26#pragma once
27
28#if ENABLE(VIDEO)
29
30#include "HTMLMediaElement.h"
31#include <memory>
32
33namespace WebCore {
34
35class HTMLImageLoader;
36class RenderVideo;
37
38class HTMLVideoElement final : public HTMLMediaElement {
39 WTF_MAKE_ISO_ALLOCATED(HTMLVideoElement);
40public:
41 WEBCORE_EXPORT static Ref<HTMLVideoElement> create(Document&);
42 static Ref<HTMLVideoElement> create(const QualifiedName&, Document&, bool createdByParser);
43
44 WEBCORE_EXPORT unsigned videoWidth() const;
45 WEBCORE_EXPORT unsigned videoHeight() const;
46
47 WEBCORE_EXPORT ExceptionOr<void> webkitEnterFullscreen();
48 WEBCORE_EXPORT void webkitExitFullscreen();
49 WEBCORE_EXPORT bool webkitSupportsFullscreen();
50 WEBCORE_EXPORT bool webkitDisplayingFullscreen();
51
52 void ancestorWillEnterFullscreen() final;
53
54#if ENABLE(WIRELESS_PLAYBACK_TARGET)
55 bool webkitWirelessVideoPlaybackDisabled() const;
56 void setWebkitWirelessVideoPlaybackDisabled(bool);
57#endif
58
59#if ENABLE(MEDIA_STATISTICS)
60 unsigned webkitDecodedFrameCount() const;
61 unsigned webkitDroppedFrameCount() const;
62#endif
63
64#if ENABLE(FULLSCREEN_API) && PLATFORM(IOS_FAMILY)
65 void webkitRequestFullscreen() override;
66#endif
67
68 // Used by canvas to gain raw pixel access
69 void paintCurrentFrameInContext(GraphicsContext&, const FloatRect&);
70
71 NativeImagePtr nativeImageForCurrentTime();
72
73 // Used by WebGL to do GPU-GPU textures copy if possible.
74 // See more details at MediaPlayer::copyVideoTextureToPlatformTexture() defined in Source/WebCore/platform/graphics/MediaPlayer.h.
75 bool copyVideoTextureToPlatformTexture(GraphicsContext3D*, Platform3DObject texture, GC3Denum target, GC3Dint level, GC3Denum internalFormat, GC3Denum format, GC3Denum type, bool premultiplyAlpha, bool flipY);
76
77 bool shouldDisplayPosterImage() const { return displayMode() == Poster || displayMode() == PosterWaitingForVideo; }
78
79 URL posterImageURL() const;
80 RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) final;
81
82#if ENABLE(VIDEO_PRESENTATION_MODE)
83 enum class VideoPresentationMode { Fullscreen, PictureInPicture, Inline };
84 WEBCORE_EXPORT bool webkitSupportsPresentationMode(VideoPresentationMode) const;
85 void webkitSetPresentationMode(VideoPresentationMode);
86 VideoPresentationMode webkitPresentationMode() const;
87 void setFullscreenMode(VideoFullscreenMode);
88 void fullscreenModeChanged(VideoFullscreenMode) final;
89#endif
90
91#if PLATFORM(MAC) && ENABLE(VIDEO_PRESENTATION_MODE)
92 void exitToFullscreenModeWithoutAnimationIfPossible(HTMLMediaElementEnums::VideoFullscreenMode fromMode, HTMLMediaElementEnums::VideoFullscreenMode toMode);
93#endif
94
95 RenderVideo* renderer() const;
96
97private:
98 HTMLVideoElement(const QualifiedName&, Document&, bool createdByParser);
99
100 void scheduleResizeEvent() final;
101 void scheduleResizeEventIfSizeChanged() final;
102 bool rendererIsNeeded(const RenderStyle&) final;
103 void didAttachRenderers() final;
104 void parseAttribute(const QualifiedName&, const AtomicString&) final;
105 bool isPresentationAttribute(const QualifiedName&) const final;
106 void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStyleProperties&) final;
107 bool isVideo() const final { return true; }
108 bool hasVideo() const final { return player() && player()->hasVideo(); }
109 bool supportsFullscreen(HTMLMediaElementEnums::VideoFullscreenMode) const final;
110 bool isURLAttribute(const Attribute&) const final;
111 const AtomicString& imageSourceURL() const final;
112
113 bool hasAvailableVideoFrame() const;
114 void updateDisplayState() final;
115 void didMoveToNewDocument(Document& oldDocument, Document& newDocument) final;
116 void setDisplayMode(DisplayMode) final;
117
118 PlatformMediaSession::MediaType presentationType() const final { return PlatformMediaSession::Video; }
119
120 std::unique_ptr<HTMLImageLoader> m_imageLoader;
121
122 AtomicString m_defaultPosterURL;
123
124 unsigned m_lastReportedVideoWidth { 0 };
125 unsigned m_lastReportedVideoHeight { 0 };
126};
127
128} // namespace WebCore
129
130SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::HTMLVideoElement)
131 static bool isType(const WebCore::HTMLMediaElement& element) { return element.hasTagName(WebCore::HTMLNames::videoTag); }
132 static bool isType(const WebCore::Element& element) { return is<WebCore::HTMLMediaElement>(element) && isType(downcast<WebCore::HTMLMediaElement>(element)); }
133 static bool isType(const WebCore::Node& node) { return is<WebCore::HTMLMediaElement>(node) && isType(downcast<WebCore::HTMLMediaElement>(node)); }
134SPECIALIZE_TYPE_TRAITS_END()
135
136#endif // ENABLE(VIDEO)
137