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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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| 327 initializer.setBubbles(false); | 326 initializer.setBubbles(false); |
| 328 initializer.setCancelable(false); | 327 initializer.setCancelable(false); |
| 329 | 328 |
| 330 return MediaEncryptedEvent::create(EventTypeNames::encrypted, initializer); | 329 return MediaEncryptedEvent::create(EventTypeNames::encrypted, initializer); |
| 331 } | 330 } |
| 332 | 331 |
| 333 void HTMLMediaElementEncryptedMedia::encrypted(WebEncryptedMediaInitDataType ini
tDataType, const unsigned char* initData, unsigned initDataLength) | 332 void HTMLMediaElementEncryptedMedia::encrypted(WebEncryptedMediaInitDataType ini
tDataType, const unsigned char* initData, unsigned initDataLength) |
| 334 { | 333 { |
| 335 WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::encrypted"); | 334 WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::encrypted"); |
| 336 | 335 |
| 337 if (RuntimeEnabledFeatures::encryptedMediaEnabled()) { | 336 RefPtrWillBeRawPtr<Event> event; |
| 338 // Send event for WD EME. | 337 if (m_mediaElement->isMediaDataCORSSameOrigin(m_mediaElement->executionConte
xt()->securityOrigin())) { |
| 339 RefPtrWillBeRawPtr<Event> event; | 338 event = createEncryptedEvent(initDataType, initData, initDataLength); |
| 340 if (m_mediaElement->isMediaDataCORSSameOrigin(m_mediaElement->executionC
ontext()->securityOrigin())) { | 339 } else { |
| 341 event = createEncryptedEvent(initDataType, initData, initDataLength)
; | 340 // Current page is not allowed to see content from the media file, |
| 342 } else { | 341 // so don't return the initData. However, they still get an event. |
| 343 // Current page is not allowed to see content from the media file, | 342 event = createEncryptedEvent(WebEncryptedMediaInitDataType::Unknown, nul
lptr, 0); |
| 344 // so don't return the initData. However, they still get an event. | 343 } |
| 345 event = createEncryptedEvent(WebEncryptedMediaInitDataType::Unknown,
nullptr, 0); | |
| 346 } | |
| 347 | 344 |
| 348 event->setTarget(m_mediaElement); | 345 event->setTarget(m_mediaElement); |
| 349 m_mediaElement->scheduleEvent(event.release()); | 346 m_mediaElement->scheduleEvent(event.release()); |
| 350 } | |
| 351 } | 347 } |
| 352 | 348 |
| 353 void HTMLMediaElementEncryptedMedia::didBlockPlaybackWaitingForKey() | 349 void HTMLMediaElementEncryptedMedia::didBlockPlaybackWaitingForKey() |
| 354 { | 350 { |
| 355 WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::didBlockPlaybackWaitingForKe
y"); | 351 WTF_LOG(Media, "HTMLMediaElementEncryptedMedia::didBlockPlaybackWaitingForKe
y"); |
| 356 | 352 |
| 357 // From https://w3c.github.io/encrypted-media/#queue-waitingforkey: | 353 // From https://w3c.github.io/encrypted-media/#queue-waitingforkey: |
| 358 // It should only be called when the HTMLMediaElement object is potentially | 354 // It should only be called when the HTMLMediaElement object is potentially |
| 359 // playing and its readyState is equal to HAVE_FUTURE_DATA or greater. | 355 // playing and its readyState is equal to HAVE_FUTURE_DATA or greater. |
| 360 // FIXME: Is this really required? | 356 // FIXME: Is this really required? |
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| 391 } | 387 } |
| 392 | 388 |
| 393 DEFINE_TRACE(HTMLMediaElementEncryptedMedia) | 389 DEFINE_TRACE(HTMLMediaElementEncryptedMedia) |
| 394 { | 390 { |
| 395 visitor->trace(m_mediaElement); | 391 visitor->trace(m_mediaElement); |
| 396 visitor->trace(m_mediaKeys); | 392 visitor->trace(m_mediaKeys); |
| 397 WillBeHeapSupplement<HTMLMediaElement>::trace(visitor); | 393 WillBeHeapSupplement<HTMLMediaElement>::trace(visitor); |
| 398 } | 394 } |
| 399 | 395 |
| 400 } // namespace blink | 396 } // namespace blink |
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