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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 "modules/encryptedmedia/HTMLMediaElementEncryptedMedia.h" | 5 #include "modules/encryptedmedia/HTMLMediaElementEncryptedMedia.h" |
| 6 | 6 |
| 7 #include "bindings/core/v8/ExceptionState.h" | 7 #include "bindings/core/v8/ExceptionState.h" |
| 8 #include "bindings/core/v8/ScriptPromise.h" | 8 #include "bindings/core/v8/ScriptPromise.h" |
| 9 #include "bindings/core/v8/ScriptPromiseResolver.h" | 9 #include "bindings/core/v8/ScriptPromiseResolver.h" |
| 10 #include "bindings/core/v8/ScriptState.h" | 10 #include "bindings/core/v8/ScriptState.h" |
| 11 #include "bindings/core/v8/V8Binding.h" | 11 #include "bindings/core/v8/V8Binding.h" |
| 12 #include "core/dom/DOMException.h" | 12 #include "core/dom/DOMException.h" |
| 13 #include "core/dom/DOMTypedArray.h" | 13 #include "core/dom/DOMTypedArray.h" |
| 14 #include "core/dom/ExceptionCode.h" | 14 #include "core/dom/ExceptionCode.h" |
| 15 #include "core/html/HTMLMediaElement.h" | 15 #include "core/html/HTMLMediaElement.h" |
| 16 #include "modules/encryptedmedia/ContentDecryptionModuleResultPromise.h" | 16 #include "modules/encryptedmedia/ContentDecryptionModuleResultPromise.h" |
| 17 #include "modules/encryptedmedia/EncryptedMediaUtils.h" | 17 #include "modules/encryptedmedia/EncryptedMediaUtils.h" |
| 18 #include "modules/encryptedmedia/MediaEncryptedEvent.h" | 18 #include "modules/encryptedmedia/MediaEncryptedEvent.h" |
| 19 #include "modules/encryptedmedia/MediaKeys.h" | 19 #include "modules/encryptedmedia/MediaKeys.h" |
| 20 #include "platform/ContentDecryptionModuleResult.h" | 20 #include "platform/ContentDecryptionModuleResult.h" |
| 21 #include "platform/Logging.h" | 21 #include "platform/Logging.h" |
| 22 #include "platform/RuntimeEnabledFeatures.h" | |
| 23 #include "wtf/Functional.h" | 22 #include "wtf/Functional.h" |
| 24 | 23 |
| 25 namespace blink { | 24 namespace blink { |
| 26 | 25 |
| 27 // This class allows MediaKeys to be set asynchronously. | 26 // This class allows MediaKeys to be set asynchronously. |
| 28 class SetMediaKeysHandler : public ScriptPromiseResolver { | 27 class SetMediaKeysHandler : public ScriptPromiseResolver { |
| 29 WTF_MAKE_NONCOPYABLE(SetMediaKeysHandler); | 28 WTF_MAKE_NONCOPYABLE(SetMediaKeysHandler); |
| 30 public: | 29 public: |
| 31 static ScriptPromise create(ScriptState*, HTMLMediaElement&, MediaKeys*); | 30 static ScriptPromise create(ScriptState*, HTMLMediaElement&, MediaKeys*); |
| 32 ~SetMediaKeysHandler() override; | 31 ~SetMediaKeysHandler() override; |
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| 350 initializer.setBubbles(false); | 349 initializer.setBubbles(false); |
| 351 initializer.setCancelable(false); | 350 initializer.setCancelable(false); |
| 352 | 351 |
| 353 return MediaEncryptedEvent::create(EventTypeNames::encrypted, initializer); | 352 return MediaEncryptedEvent::create(EventTypeNames::encrypted, initializer); |
| 354 } | 353 } |
| 355 | 354 |
| 356 void HTMLMediaElementEncryptedMedia::encrypted(WebEncryptedMediaInitDataType ini
tDataType, const unsigned char* initData, unsigned initDataLength) | 355 void HTMLMediaElementEncryptedMedia::encrypted(WebEncryptedMediaInitDataType ini
tDataType, const unsigned char* initData, unsigned initDataLength) |
| 357 { | 356 { |
| 358 WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::encrypted"); | 357 WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::encrypted"); |
| 359 | 358 |
| 360 if (RuntimeEnabledFeatures::encryptedMediaEnabled()) { | 359 RefPtrWillBeRawPtr<Event> event; |
| 361 // Send event for WD EME. | 360 if (m_mediaElement->isMediaDataCORSSameOrigin(m_mediaElement->executionConte
xt()->securityOrigin())) { |
| 362 RefPtrWillBeRawPtr<Event> event; | 361 event = createEncryptedEvent(initDataType, initData, initDataLength); |
| 363 if (m_mediaElement->isMediaDataCORSSameOrigin(m_mediaElement->executionC
ontext()->securityOrigin())) { | 362 } else { |
| 364 event = createEncryptedEvent(initDataType, initData, initDataLength)
; | 363 // Current page is not allowed to see content from the media file, |
| 365 } else { | 364 // so don't return the initData. However, they still get an event. |
| 366 // Current page is not allowed to see content from the media file, | 365 event = createEncryptedEvent(WebEncryptedMediaInitDataType::Unknown, nul
lptr, 0); |
| 367 // so don't return the initData. However, they still get an event. | 366 } |
| 368 event = createEncryptedEvent(WebEncryptedMediaInitDataType::Unknown,
nullptr, 0); | |
| 369 } | |
| 370 | 367 |
| 371 event->setTarget(m_mediaElement); | 368 event->setTarget(m_mediaElement); |
| 372 m_mediaElement->scheduleEvent(event.release()); | 369 m_mediaElement->scheduleEvent(event.release()); |
| 373 } | |
| 374 } | 370 } |
| 375 | 371 |
| 376 void HTMLMediaElementEncryptedMedia::didBlockPlaybackWaitingForKey() | 372 void HTMLMediaElementEncryptedMedia::didBlockPlaybackWaitingForKey() |
| 377 { | 373 { |
| 378 WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::didBlockPlaybackWaitingForKe
y"); | 374 WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::didBlockPlaybackWaitingForKe
y"); |
| 379 | 375 |
| 380 // From https://w3c.github.io/encrypted-media/#queue-waitingforkey: | 376 // From https://w3c.github.io/encrypted-media/#queue-waitingforkey: |
| 381 // It should only be called when the HTMLMediaElement object is potentially | 377 // It should only be called when the HTMLMediaElement object is potentially |
| 382 // playing and its readyState is equal to HAVE_FUTURE_DATA or greater. | 378 // playing and its readyState is equal to HAVE_FUTURE_DATA or greater. |
| 383 // FIXME: Is this really required? | 379 // FIXME: Is this really required? |
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| 414 } | 410 } |
| 415 | 411 |
| 416 DEFINE_TRACE(HTMLMediaElementEncryptedMedia) | 412 DEFINE_TRACE(HTMLMediaElementEncryptedMedia) |
| 417 { | 413 { |
| 418 visitor->trace(m_mediaElement); | 414 visitor->trace(m_mediaElement); |
| 419 visitor->trace(m_mediaKeys); | 415 visitor->trace(m_mediaKeys); |
| 420 WillBeHeapSupplement<HTMLMediaElement>::trace(visitor); | 416 WillBeHeapSupplement<HTMLMediaElement>::trace(visitor); |
| 421 } | 417 } |
| 422 | 418 |
| 423 } // namespace blink | 419 } // namespace blink |
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