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Side by Side Diff: Source/core/streams/ReadableStreamReader.h

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