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1 /* | 1 /* |
2 * Copyright (c) 2013, Google Inc. All rights reserved. | 2 * Copyright (c) 2013, Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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117 { | 117 { |
118 IntSize s = sizeFor(video); | 118 IntSize s = sizeFor(video); |
119 return createImageBitmap(scriptState, eventTarget, video, 0, 0, s.width(), s
.height(), exceptionState); | 119 return createImageBitmap(scriptState, eventTarget, video, 0, 0, s.width(), s
.height(), exceptionState); |
120 } | 120 } |
121 | 121 |
122 ScriptPromise ImageBitmapFactories::createImageBitmap(ScriptState* scriptState,
EventTarget& eventTarget, HTMLVideoElement* video, int sx, int sy, int sw, int s
h, ExceptionState& exceptionState) | 122 ScriptPromise ImageBitmapFactories::createImageBitmap(ScriptState* scriptState,
EventTarget& eventTarget, HTMLVideoElement* video, int sx, int sy, int sw, int s
h, ExceptionState& exceptionState) |
123 { | 123 { |
124 // This variant does not work in worker threads. | 124 // This variant does not work in worker threads. |
125 ASSERT(eventTarget.toDOMWindow()); | 125 ASSERT(eventTarget.toDOMWindow()); |
126 | 126 |
127 if (!video->player()) { | |
128 exceptionState.throwDOMException(InvalidStateError, "No player can be re
trieved from the provided video element."); | |
129 return ScriptPromise(); | |
130 } | |
131 if (video->networkState() == HTMLMediaElement::NETWORK_EMPTY) { | 127 if (video->networkState() == HTMLMediaElement::NETWORK_EMPTY) { |
132 exceptionState.throwDOMException(InvalidStateError, "The provided elemen
t has not retrieved data."); | 128 exceptionState.throwDOMException(InvalidStateError, "The provided elemen
t has not retrieved data."); |
133 return ScriptPromise(); | 129 return ScriptPromise(); |
134 } | 130 } |
135 if (video->player()->readyState() <= MediaPlayer::HaveMetadata) { | 131 if (video->readyState() <= HTMLMediaElement::HAVE_METADATA) { |
136 exceptionState.throwDOMException(InvalidStateError, "The provided elemen
t's player has no current data."); | 132 exceptionState.throwDOMException(InvalidStateError, "The provided elemen
t's player has no current data."); |
137 return ScriptPromise(); | 133 return ScriptPromise(); |
138 } | 134 } |
139 if (!sw || !sh) { | 135 if (!sw || !sh) { |
140 exceptionState.throwDOMException(IndexSizeError, String::format("The sou
rce %s provided is 0.", sw ? "height" : "width")); | 136 exceptionState.throwDOMException(IndexSizeError, String::format("The sou
rce %s provided is 0.", sw ? "height" : "width")); |
141 return ScriptPromise(); | 137 return ScriptPromise(); |
142 } | 138 } |
143 if (!video->hasSingleSecurityOrigin()) { | 139 if (!video->hasSingleSecurityOrigin()) { |
144 exceptionState.throwSecurityError("The source video contains image data
from multiple origins."); | 140 exceptionState.throwSecurityError("The source video contains image data
from multiple origins."); |
145 return ScriptPromise(); | 141 return ScriptPromise(); |
146 } | 142 } |
147 if (!(video->webMediaPlayer() && video->webMediaPlayer()->didPassCORSAccessC
heck()) | 143 if (!video->webMediaPlayer()->didPassCORSAccessCheck() |
148 && eventTarget.toDOMWindow()->document()->securityOrigin()->taintsCanvas
(video->currentSrc())) { | 144 && eventTarget.toDOMWindow()->document()->securityOrigin()->taintsCanvas
(video->currentSrc())) { |
149 exceptionState.throwSecurityError("Cross-origin access to the source vid
eo is denied."); | 145 exceptionState.throwSecurityError("Cross-origin access to the source vid
eo is denied."); |
150 return ScriptPromise(); | 146 return ScriptPromise(); |
151 } | 147 } |
152 // FIXME: make ImageBitmap creation asynchronous crbug.com/258082 | 148 // FIXME: make ImageBitmap creation asynchronous crbug.com/258082 |
153 return fulfillImageBitmap(scriptState, ImageBitmap::create(video, IntRect(sx
, sy, sw, sh))); | 149 return fulfillImageBitmap(scriptState, ImageBitmap::create(video, IntRect(sx
, sy, sw, sh))); |
154 } | 150 } |
155 | 151 |
156 ScriptPromise ImageBitmapFactories::createImageBitmap(ScriptState* scriptState,
EventTarget& eventTarget, CanvasRenderingContext2D* context, ExceptionState& exc
eptionState) | 152 ScriptPromise ImageBitmapFactories::createImageBitmap(ScriptState* scriptState,
EventTarget& eventTarget, CanvasRenderingContext2D* context, ExceptionState& exc
eptionState) |
157 { | 153 { |
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335 { | 331 { |
336 rejectPromise(); | 332 rejectPromise(); |
337 } | 333 } |
338 | 334 |
339 void ImageBitmapFactories::ImageBitmapLoader::trace(Visitor* visitor) | 335 void ImageBitmapFactories::ImageBitmapLoader::trace(Visitor* visitor) |
340 { | 336 { |
341 visitor->trace(m_factory); | 337 visitor->trace(m_factory); |
342 } | 338 } |
343 | 339 |
344 } // namespace WebCore | 340 } // namespace WebCore |
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