| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef ExclusiveStreamReader_h | |
| 6 #define ExclusiveStreamReader_h | |
| 7 | |
| 8 #include "bindings/core/v8/ScriptPromise.h" | |
| 9 #include "bindings/core/v8/ScriptPromiseProperty.h" | |
| 10 #include "bindings/core/v8/ScriptValue.h" | |
| 11 #include "bindings/core/v8/ScriptWrappable.h" | |
| 12 #include "bindings/core/v8/ToV8.h" | |
| 13 #include "core/dom/ActiveDOMObject.h" | |
| 14 #include "core/streams/ReadableStream.h" | |
| 15 #include "platform/heap/Handle.h" | |
| 16 | |
| 17 namespace blink { | |
| 18 | |
| 19 class DOMException; | |
| 20 class ExceptionState; | |
| 21 class ScriptState; | |
| 22 | |
| 23 // ExclusiveStreamReader corresponds to the same-name class in the Streams spec | |
| 24 // https://streams.spec.whatwg.org/. This class trusts ReadableStream, contrary | |
| 25 // to the class in the Streams spec, because we only support | |
| 26 // blink::Readable[Byte]Stream as this reader's customer. | |
| 27 class ExclusiveStreamReader final : public GarbageCollectedFinalized<ExclusiveSt
reamReader>, public ScriptWrappable, public ActiveDOMObject { | |
| 28 DEFINE_WRAPPERTYPEINFO(); | |
| 29 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ExclusiveStreamReader); | |
| 30 public: | |
| 31 // The stream must not be locked to any ExclusiveStreamReader when called. | |
| 32 ExclusiveStreamReader(ReadableStream*); | |
| 33 | |
| 34 ScriptPromise closed(ScriptState*); | |
| 35 bool isActive() const; | |
| 36 ScriptPromise ready(ScriptState*); | |
| 37 String state() const; | |
| 38 ScriptPromise cancel(ScriptState*, ScriptValue reason); | |
| 39 ScriptValue read(ScriptState*, ExceptionState&); | |
| 40 void releaseLock(); | |
| 41 ScriptPromise released(ScriptState*); | |
| 42 | |
| 43 bool hasPendingActivity() const override; | |
| 44 void stop() override; | |
| 45 | |
| 46 DECLARE_TRACE(); | |
| 47 | |
| 48 private: | |
| 49 using ReleasedPromise = ScriptPromiseProperty<Member<ExclusiveStreamReader>,
ToV8UndefinedGenerator, ToV8UndefinedGenerator>; | |
| 50 using ClosedPromise = ScriptPromiseProperty<Member<ExclusiveStreamReader>, T
oV8UndefinedGenerator, RefPtrWillBeMember<DOMException>>; | |
| 51 using ReadyPromise = ScriptPromiseProperty<Member<ExclusiveStreamReader>, To
V8UndefinedGenerator, ToV8UndefinedGenerator>; | |
| 52 | |
| 53 const Member<ReadableStream> m_stream; | |
| 54 const Member<ReleasedPromise> m_released; | |
| 55 ReadableStream::State m_stateAfterRelease; | |
| 56 Member<ClosedPromise> m_closedAfterRelease; | |
| 57 Member<ReadyPromise> m_readyAfterRelease; | |
| 58 }; | |
| 59 | |
| 60 } // namespace blink | |
| 61 | |
| 62 #endif // ExclusiveStreamReader_h | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1001233002:
Streams Implementation Update: Reader name and Stream methods (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master