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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "config.h" | 5 #include "config.h" |
6 #include "modules/encryptedmedia/HTMLMediaElementEncryptedMedia.h" | 6 #include "modules/encryptedmedia/HTMLMediaElementEncryptedMedia.h" |
7 | 7 |
8 #include "bindings/core/v8/ExceptionState.h" | 8 #include "bindings/core/v8/ExceptionState.h" |
9 #include "bindings/core/v8/ScriptPromise.h" | 9 #include "bindings/core/v8/ScriptPromise.h" |
10 #include "bindings/core/v8/ScriptPromiseResolver.h" | 10 #include "bindings/core/v8/ScriptPromiseResolver.h" |
11 #include "bindings/core/v8/ScriptState.h" | 11 #include "bindings/core/v8/ScriptState.h" |
12 #include "core/dom/DOMException.h" | 12 #include "core/dom/DOMException.h" |
| 13 #include "core/dom/DOMTypedArray.h" |
13 #include "core/dom/ExceptionCode.h" | 14 #include "core/dom/ExceptionCode.h" |
14 #include "core/html/HTMLMediaElement.h" | 15 #include "core/html/HTMLMediaElement.h" |
15 #include "core/html/MediaKeyError.h" | 16 #include "core/html/MediaKeyError.h" |
16 #include "core/html/MediaKeyEvent.h" | 17 #include "core/html/MediaKeyEvent.h" |
| 18 #include "modules/EventModulesNames.h" |
17 #include "modules/encryptedmedia/MediaKeyNeededEvent.h" | 19 #include "modules/encryptedmedia/MediaKeyNeededEvent.h" |
18 #include "modules/encryptedmedia/MediaKeys.h" | 20 #include "modules/encryptedmedia/MediaKeys.h" |
19 #include "modules/encryptedmedia/SimpleContentDecryptionModuleResult.h" | 21 #include "modules/encryptedmedia/SimpleContentDecryptionModuleResult.h" |
20 #include "platform/ContentDecryptionModuleResult.h" | 22 #include "platform/ContentDecryptionModuleResult.h" |
21 #include "platform/Logging.h" | 23 #include "platform/Logging.h" |
22 #include "platform/RuntimeEnabledFeatures.h" | 24 #include "platform/RuntimeEnabledFeatures.h" |
23 #include "wtf/Functional.h" | 25 #include "wtf/Functional.h" |
24 #include "wtf/Uint8Array.h" | |
25 | 26 |
26 namespace blink { | 27 namespace blink { |
27 | 28 |
28 static void throwExceptionIfMediaKeyExceptionOccurred(const String& keySystem, c
onst String& sessionId, WebMediaPlayer::MediaKeyException exception, ExceptionSt
ate& exceptionState) | 29 static void throwExceptionIfMediaKeyExceptionOccurred(const String& keySystem, c
onst String& sessionId, WebMediaPlayer::MediaKeyException exception, ExceptionSt
ate& exceptionState) |
29 { | 30 { |
30 switch (exception) { | 31 switch (exception) { |
31 case WebMediaPlayer::MediaKeyExceptionNoError: | 32 case WebMediaPlayer::MediaKeyExceptionNoError: |
32 return; | 33 return; |
33 case WebMediaPlayer::MediaKeyExceptionInvalidPlayerState: | 34 case WebMediaPlayer::MediaKeyExceptionInvalidPlayerState: |
34 exceptionState.throwDOMException(InvalidStateError, "The player is in an
invalid state."); | 35 exceptionState.throwDOMException(InvalidStateError, "The player is in an
invalid state."); |
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284 | 285 |
285 // 2. Let promise be a new promise. Remaining steps done in handler. | 286 // 2. Let promise be a new promise. Remaining steps done in handler. |
286 return SetMediaKeysHandler::create(scriptState, element, mediaKeys); | 287 return SetMediaKeysHandler::create(scriptState, element, mediaKeys); |
287 } | 288 } |
288 | 289 |
289 // Create a MediaKeyNeededEvent for WD EME. | 290 // Create a MediaKeyNeededEvent for WD EME. |
290 static PassRefPtrWillBeRawPtr<Event> createNeedKeyEvent(const String& contentTyp
e, const unsigned char* initData, unsigned initDataLength) | 291 static PassRefPtrWillBeRawPtr<Event> createNeedKeyEvent(const String& contentTyp
e, const unsigned char* initData, unsigned initDataLength) |
291 { | 292 { |
292 MediaKeyNeededEventInit initializer; | 293 MediaKeyNeededEventInit initializer; |
293 initializer.contentType = contentType; | 294 initializer.contentType = contentType; |
294 initializer.initData = Uint8Array::create(initData, initDataLength); | 295 initializer.initData = DOMUint8Array::create(initData, initDataLength); |
295 initializer.bubbles = false; | 296 initializer.bubbles = false; |
296 initializer.cancelable = false; | 297 initializer.cancelable = false; |
297 | 298 |
298 return MediaKeyNeededEvent::create(EventTypeNames::needkey, initializer); | 299 return MediaKeyNeededEvent::create(EventTypeNames::needkey, initializer); |
299 } | 300 } |
300 | 301 |
301 // Create a 'needkey' MediaKeyEvent for v0.1b EME. | 302 // Create a 'needkey' MediaKeyEvent for v0.1b EME. |
302 static PassRefPtrWillBeRawPtr<Event> createWebkitNeedKeyEvent(const String& cont
entType, const unsigned char* initData, unsigned initDataLength) | 303 static PassRefPtrWillBeRawPtr<Event> createWebkitNeedKeyEvent(const String& cont
entType, const unsigned char* initData, unsigned initDataLength) |
303 { | 304 { |
304 MediaKeyEventInit webkitInitializer; | 305 MediaKeyEventInit webkitInitializer; |
305 webkitInitializer.keySystem = String(); | 306 webkitInitializer.keySystem = String(); |
306 webkitInitializer.sessionId = String(); | 307 webkitInitializer.sessionId = String(); |
307 webkitInitializer.initData = Uint8Array::create(initData, initDataLength); | 308 webkitInitializer.initData = DOMUint8Array::create(initData, initDataLength)
; |
308 webkitInitializer.bubbles = false; | 309 webkitInitializer.bubbles = false; |
309 webkitInitializer.cancelable = false; | 310 webkitInitializer.cancelable = false; |
310 | 311 |
311 return MediaKeyEvent::create(EventTypeNames::webkitneedkey, webkitInitialize
r); | 312 return MediaKeyEvent::create(EventTypeNames::webkitneedkey, webkitInitialize
r); |
312 } | 313 } |
313 | 314 |
314 void HTMLMediaElementEncryptedMedia::webkitGenerateKeyRequest(HTMLMediaElement&
element, const String& keySystem, PassRefPtr<Uint8Array> initData, ExceptionStat
e& exceptionState) | 315 void HTMLMediaElementEncryptedMedia::webkitGenerateKeyRequest(HTMLMediaElement&
element, const String& keySystem, PassRefPtr<DOMUint8Array> initData, ExceptionS
tate& exceptionState) |
315 { | 316 { |
316 HTMLMediaElementEncryptedMedia::from(element).generateKeyRequest(element.web
MediaPlayer(), keySystem, initData, exceptionState); | 317 HTMLMediaElementEncryptedMedia::from(element).generateKeyRequest(element.web
MediaPlayer(), keySystem, initData, exceptionState); |
317 } | 318 } |
318 | 319 |
319 void HTMLMediaElementEncryptedMedia::generateKeyRequest(WebMediaPlayer* webMedia
Player, const String& keySystem, PassRefPtr<Uint8Array> initData, ExceptionState
& exceptionState) | 320 void HTMLMediaElementEncryptedMedia::generateKeyRequest(WebMediaPlayer* webMedia
Player, const String& keySystem, PassRefPtr<DOMUint8Array> initData, ExceptionSt
ate& exceptionState) |
320 { | 321 { |
321 WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::webkitGenerateKeyRequest"); | 322 WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::webkitGenerateKeyRequest"); |
322 | 323 |
323 if (!setEmeMode(EmeModePrefixed)) { | 324 if (!setEmeMode(EmeModePrefixed)) { |
324 exceptionState.throwDOMException(InvalidStateError, "Mixed use of EME pr
efixed and unprefixed API not allowed."); | 325 exceptionState.throwDOMException(InvalidStateError, "Mixed use of EME pr
efixed and unprefixed API not allowed."); |
325 return; | 326 return; |
326 } | 327 } |
327 | 328 |
328 if (keySystem.isEmpty()) { | 329 if (keySystem.isEmpty()) { |
329 exceptionState.throwDOMException(SyntaxError, "The key system provided i
s empty."); | 330 exceptionState.throwDOMException(SyntaxError, "The key system provided i
s empty."); |
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341 initDataPointer = initData->data(); | 342 initDataPointer = initData->data(); |
342 initDataLength = initData->length(); | 343 initDataLength = initData->length(); |
343 } | 344 } |
344 | 345 |
345 WebMediaPlayer::MediaKeyException result = webMediaPlayer->generateKeyReques
t(keySystem, initDataPointer, initDataLength); | 346 WebMediaPlayer::MediaKeyException result = webMediaPlayer->generateKeyReques
t(keySystem, initDataPointer, initDataLength); |
346 throwExceptionIfMediaKeyExceptionOccurred(keySystem, String(), result, excep
tionState); | 347 throwExceptionIfMediaKeyExceptionOccurred(keySystem, String(), result, excep
tionState); |
347 } | 348 } |
348 | 349 |
349 void HTMLMediaElementEncryptedMedia::webkitGenerateKeyRequest(HTMLMediaElement&
mediaElement, const String& keySystem, ExceptionState& exceptionState) | 350 void HTMLMediaElementEncryptedMedia::webkitGenerateKeyRequest(HTMLMediaElement&
mediaElement, const String& keySystem, ExceptionState& exceptionState) |
350 { | 351 { |
351 webkitGenerateKeyRequest(mediaElement, keySystem, Uint8Array::create(0), exc
eptionState); | 352 webkitGenerateKeyRequest(mediaElement, keySystem, DOMUint8Array::create(0),
exceptionState); |
352 } | 353 } |
353 | 354 |
354 void HTMLMediaElementEncryptedMedia::webkitAddKey(HTMLMediaElement& element, con
st String& keySystem, PassRefPtr<Uint8Array> key, PassRefPtr<Uint8Array> initDat
a, const String& sessionId, ExceptionState& exceptionState) | 355 void HTMLMediaElementEncryptedMedia::webkitAddKey(HTMLMediaElement& element, con
st String& keySystem, PassRefPtr<DOMUint8Array> key, PassRefPtr<DOMUint8Array> i
nitData, const String& sessionId, ExceptionState& exceptionState) |
355 { | 356 { |
356 HTMLMediaElementEncryptedMedia::from(element).addKey(element.webMediaPlayer(
), keySystem, key, initData, sessionId, exceptionState); | 357 HTMLMediaElementEncryptedMedia::from(element).addKey(element.webMediaPlayer(
), keySystem, key, initData, sessionId, exceptionState); |
357 } | 358 } |
358 | 359 |
359 void HTMLMediaElementEncryptedMedia::addKey(WebMediaPlayer* webMediaPlayer, cons
t String& keySystem, PassRefPtr<Uint8Array> key, PassRefPtr<Uint8Array> initData
, const String& sessionId, ExceptionState& exceptionState) | 360 void HTMLMediaElementEncryptedMedia::addKey(WebMediaPlayer* webMediaPlayer, cons
t String& keySystem, PassRefPtr<DOMUint8Array> key, PassRefPtr<DOMUint8Array> in
itData, const String& sessionId, ExceptionState& exceptionState) |
360 { | 361 { |
361 WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::webkitAddKey"); | 362 WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::webkitAddKey"); |
362 | 363 |
363 if (!setEmeMode(EmeModePrefixed)) { | 364 if (!setEmeMode(EmeModePrefixed)) { |
364 exceptionState.throwDOMException(InvalidStateError, "Mixed use of EME pr
efixed and unprefixed API not allowed."); | 365 exceptionState.throwDOMException(InvalidStateError, "Mixed use of EME pr
efixed and unprefixed API not allowed."); |
365 return; | 366 return; |
366 } | 367 } |
367 | 368 |
368 if (keySystem.isEmpty()) { | 369 if (keySystem.isEmpty()) { |
369 exceptionState.throwDOMException(SyntaxError, "The key system provided i
s empty."); | 370 exceptionState.throwDOMException(SyntaxError, "The key system provided i
s empty."); |
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389 unsigned initDataLength = 0; | 390 unsigned initDataLength = 0; |
390 if (initData) { | 391 if (initData) { |
391 initDataPointer = initData->data(); | 392 initDataPointer = initData->data(); |
392 initDataLength = initData->length(); | 393 initDataLength = initData->length(); |
393 } | 394 } |
394 | 395 |
395 WebMediaPlayer::MediaKeyException result = webMediaPlayer->addKey(keySystem,
key->data(), key->length(), initDataPointer, initDataLength, sessionId); | 396 WebMediaPlayer::MediaKeyException result = webMediaPlayer->addKey(keySystem,
key->data(), key->length(), initDataPointer, initDataLength, sessionId); |
396 throwExceptionIfMediaKeyExceptionOccurred(keySystem, sessionId, result, exce
ptionState); | 397 throwExceptionIfMediaKeyExceptionOccurred(keySystem, sessionId, result, exce
ptionState); |
397 } | 398 } |
398 | 399 |
399 void HTMLMediaElementEncryptedMedia::webkitAddKey(HTMLMediaElement& mediaElement
, const String& keySystem, PassRefPtr<Uint8Array> key, ExceptionState& exception
State) | 400 void HTMLMediaElementEncryptedMedia::webkitAddKey(HTMLMediaElement& mediaElement
, const String& keySystem, PassRefPtr<DOMUint8Array> key, ExceptionState& except
ionState) |
400 { | 401 { |
401 webkitAddKey(mediaElement, keySystem, key, Uint8Array::create(0), String(),
exceptionState); | 402 webkitAddKey(mediaElement, keySystem, key, DOMUint8Array::create(0), String(
), exceptionState); |
402 } | 403 } |
403 | 404 |
404 void HTMLMediaElementEncryptedMedia::webkitCancelKeyRequest(HTMLMediaElement& el
ement, const String& keySystem, const String& sessionId, ExceptionState& excepti
onState) | 405 void HTMLMediaElementEncryptedMedia::webkitCancelKeyRequest(HTMLMediaElement& el
ement, const String& keySystem, const String& sessionId, ExceptionState& excepti
onState) |
405 { | 406 { |
406 HTMLMediaElementEncryptedMedia::from(element).cancelKeyRequest(element.webMe
diaPlayer(), keySystem, sessionId, exceptionState); | 407 HTMLMediaElementEncryptedMedia::from(element).cancelKeyRequest(element.webMe
diaPlayer(), keySystem, sessionId, exceptionState); |
407 } | 408 } |
408 | 409 |
409 void HTMLMediaElementEncryptedMedia::cancelKeyRequest(WebMediaPlayer* webMediaPl
ayer, const String& keySystem, const String& sessionId, ExceptionState& exceptio
nState) | 410 void HTMLMediaElementEncryptedMedia::cancelKeyRequest(WebMediaPlayer* webMediaPl
ayer, const String& keySystem, const String& sessionId, ExceptionState& exceptio
nState) |
410 { | 411 { |
411 WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::webkitCancelKeyRequest"); | 412 WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::webkitCancelKeyRequest"); |
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483 element.scheduleEvent(event.release()); | 484 element.scheduleEvent(event.release()); |
484 } | 485 } |
485 | 486 |
486 void HTMLMediaElementEncryptedMedia::keyMessage(HTMLMediaElement& element, const
String& keySystem, const String& sessionId, const unsigned char* message, unsig
ned messageLength, const WebURL& defaultURL) | 487 void HTMLMediaElementEncryptedMedia::keyMessage(HTMLMediaElement& element, const
String& keySystem, const String& sessionId, const unsigned char* message, unsig
ned messageLength, const WebURL& defaultURL) |
487 { | 488 { |
488 WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::mediaPlayerKeyMessage: sessi
onID=%s", sessionId.utf8().data()); | 489 WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::mediaPlayerKeyMessage: sessi
onID=%s", sessionId.utf8().data()); |
489 | 490 |
490 MediaKeyEventInit initializer; | 491 MediaKeyEventInit initializer; |
491 initializer.keySystem = keySystem; | 492 initializer.keySystem = keySystem; |
492 initializer.sessionId = sessionId; | 493 initializer.sessionId = sessionId; |
493 initializer.message = Uint8Array::create(message, messageLength); | 494 initializer.message = DOMUint8Array::create(message, messageLength); |
494 initializer.defaultURL = KURL(defaultURL); | 495 initializer.defaultURL = KURL(defaultURL); |
495 initializer.bubbles = false; | 496 initializer.bubbles = false; |
496 initializer.cancelable = false; | 497 initializer.cancelable = false; |
497 | 498 |
498 RefPtrWillBeRawPtr<Event> event = MediaKeyEvent::create(EventTypeNames::webk
itkeymessage, initializer); | 499 RefPtrWillBeRawPtr<Event> event = MediaKeyEvent::create(EventTypeNames::webk
itkeymessage, initializer); |
499 event->setTarget(&element); | 500 event->setTarget(&element); |
500 element.scheduleEvent(event.release()); | 501 element.scheduleEvent(event.release()); |
501 } | 502 } |
502 | 503 |
503 void HTMLMediaElementEncryptedMedia::keyNeeded(HTMLMediaElement& element, const
String& contentType, const unsigned char* initData, unsigned initDataLength) | 504 void HTMLMediaElementEncryptedMedia::keyNeeded(HTMLMediaElement& element, const
String& contentType, const unsigned char* initData, unsigned initDataLength) |
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541 return thisElement.contentDecryptionModule(); | 542 return thisElement.contentDecryptionModule(); |
542 } | 543 } |
543 | 544 |
544 void HTMLMediaElementEncryptedMedia::trace(Visitor* visitor) | 545 void HTMLMediaElementEncryptedMedia::trace(Visitor* visitor) |
545 { | 546 { |
546 visitor->trace(m_mediaKeys); | 547 visitor->trace(m_mediaKeys); |
547 WillBeHeapSupplement<HTMLMediaElement>::trace(visitor); | 548 WillBeHeapSupplement<HTMLMediaElement>::trace(visitor); |
548 } | 549 } |
549 | 550 |
550 } // namespace blink | 551 } // namespace blink |
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