1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_HTMLVideoElement_h
#define mozilla_dom_HTMLVideoElement_h
#include "mozilla/Attributes.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/HTMLMediaElement.h"
#include "mozilla/StaticPrefs_media.h"
#include "Units.h"
namespace mozilla {
class FrameStatistics;
namespace dom {
class WakeLock;
class VideoPlaybackQuality;
class HTMLVideoElement final : public HTMLMediaElement {
class SecondaryVideoOutput;
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLVideoElement, HTMLMediaElement)
typedef mozilla::dom::NodeInfo NodeInfo;
explicit HTMLVideoElement(already_AddRefed<NodeInfo>&& aNodeInfo);
NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLVideoElement, video)
using HTMLMediaElement::GetPaused;
void Invalidate(ImageSizeChanged aImageSizeChanged,
const Maybe<nsIntSize>& aNewIntrinsicSize,
ForceInvalidate aForceInvalidate) override;
virtual bool IsVideo() const override { return true; }
virtual bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
const nsAString& aValue,
nsIPrincipal* aMaybeScriptedPrincipal,
nsAttrValue& aResult) override;
NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* aAttribute) const override;
nsMapRuleToAttributesFunc GetAttributeMappingFunction() const override;
nsresult Clone(NodeInfo*, nsINode** aResult) const override;
void UnbindFromTree(bool aNullParent = true) override;
mozilla::Maybe<mozilla::CSSIntSize> GetVideoSize() const;
void UpdateMediaSize(const nsIntSize& aSize) override;
nsresult SetAcceptHeader(nsIHttpChannel* aChannel) override;
// Element
bool IsInteractiveHTMLContent() const override;
// WebIDL
uint32_t Width() const {
return GetDimensionAttrAsUnsignedInt(nsGkAtoms::width, 0);
}
void SetWidth(uint32_t aValue, ErrorResult& aRv) {
SetUnsignedIntAttr(nsGkAtoms::width, aValue, 0, aRv);
}
uint32_t Height() const {
return GetDimensionAttrAsUnsignedInt(nsGkAtoms::height, 0);
}
void SetHeight(uint32_t aValue, ErrorResult& aRv) {
SetUnsignedIntAttr(nsGkAtoms::height, aValue, 0, aRv);
}
uint32_t VideoWidth();
uint32_t VideoHeight();
VideoRotation RotationDegrees() const { return mMediaInfo.mVideo.mRotation; }
bool HasAlpha() const { return mMediaInfo.mVideo.HasAlpha(); }
void GetPoster(nsAString& aValue) {
GetURIAttr(nsGkAtoms::poster, nullptr, aValue);
}
void SetPoster(const nsAString& aValue, ErrorResult& aRv) {
SetHTMLAttr(nsGkAtoms::poster, aValue, aRv);
}
uint32_t MozParsedFrames() const;
uint32_t MozDecodedFrames() const;
uint32_t MozPresentedFrames();
uint32_t MozPaintedFrames();
double MozFrameDelay();
bool MozHasAudio() const;
already_AddRefed<VideoPlaybackQuality> GetVideoPlaybackQuality();
already_AddRefed<Promise> CloneElementVisually(HTMLVideoElement& aTarget,
ErrorResult& rv);
void StopCloningElementVisually();
bool IsCloningElementVisually() const { return !!mVisualCloneTarget; }
void OnSecondaryVideoContainerInstalled(
const RefPtr<VideoFrameContainer>& aSecondaryContainer) override;
void OnSecondaryVideoOutputFirstFrameRendered();
void OnVisibilityChange(Visibility aNewVisibility) override;
bool DisablePictureInPicture() const {
return GetBoolAttr(nsGkAtoms::disablepictureinpicture);
}
void SetDisablePictureInPicture(bool aValue, ErrorResult& aError) {
SetHTMLBoolAttr(nsGkAtoms::disablepictureinpicture, aValue, aError);
}
protected:
virtual ~HTMLVideoElement();
virtual JSObject* WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
/**
* We create video wakelock when the video is playing and release it when
* video pauses. Note, the actual platform wakelock will automatically be
* released when the page is in the background, so we don't need to check the
* video's visibility by ourselves.
*/
void WakeLockRelease() override;
void UpdateWakeLock() override;
bool ShouldCreateVideoWakeLock() const;
void CreateVideoWakeLockIfNeeded();
void ReleaseVideoWakeLockIfExists();
gfx::IntSize GetVideoIntrinsicDimensions();
RefPtr<WakeLock> mScreenWakeLock;
WatchManager<HTMLVideoElement> mVideoWatchManager;
private:
bool SetVisualCloneTarget(
RefPtr<HTMLVideoElement> aVisualCloneTarget,
RefPtr<Promise> aVisualCloneTargetPromise = nullptr);
bool SetVisualCloneSource(RefPtr<HTMLVideoElement> aVisualCloneSource);
// For video elements, we can clone the frames being played to
// a secondary video element. If we're doing that, we hold a
// reference to the video element we're cloning to in
// mVisualCloneSource.
//
// Please don't set this to non-nullptr values directly - use
// SetVisualCloneTarget() instead.
RefPtr<HTMLVideoElement> mVisualCloneTarget;
// Set when mVisualCloneTarget is set, and resolved (and unset) when the
// secondary container has been applied to the underlying resource.
RefPtr<Promise> mVisualCloneTargetPromise;
// Set when beginning to clone visually and we are playing a MediaStream.
// This is the output wrapping the VideoFrameContainer of mVisualCloneTarget,
// so we can render its first frame, and resolve mVisualCloneTargetPromise as
// we do.
RefPtr<FirstFrameVideoOutput> mSecondaryVideoOutput;
// If this video is the clone target of another video element,
// then mVisualCloneSource points to that originating video
// element.
//
// Please don't set this to non-nullptr values directly - use
// SetVisualCloneTarget() instead.
RefPtr<HTMLVideoElement> mVisualCloneSource;
static void MapAttributesIntoRule(MappedDeclarationsBuilder&);
static bool IsVideoStatsEnabled();
double TotalPlayTime() const;
virtual void MaybeBeginCloningVisually() override;
void EndCloningVisually();
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_HTMLVideoElement_h
|
