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Side by Side Diff: Source/core/streams/ReadableStream.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 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 #ifndef ReadableStream_h 5 #ifndef ReadableStream_h
6 #define ReadableStream_h 6 #define ReadableStream_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/ScriptState.h" 10 #include "bindings/core/v8/ScriptState.h"
11 #include "bindings/core/v8/ScriptValue.h" 11 #include "bindings/core/v8/ScriptValue.h"
12 #include "bindings/core/v8/ScriptWrappable.h" 12 #include "bindings/core/v8/ScriptWrappable.h"
13 #include "bindings/core/v8/V8Binding.h" 13 #include "bindings/core/v8/V8Binding.h"
14 #include "core/dom/ActiveDOMObject.h" 14 #include "core/dom/ActiveDOMObject.h"
15 #include "platform/heap/Handle.h" 15 #include "platform/heap/Handle.h"
16 #include "wtf/Forward.h" 16 #include "wtf/Forward.h"
17 #include "wtf/PassRefPtr.h" 17 #include "wtf/PassRefPtr.h"
18 #include "wtf/RefPtr.h" 18 #include "wtf/RefPtr.h"
19 19
20 namespace blink { 20 namespace blink {
21 21
22 class DOMException; 22 class DOMException;
23 class ExceptionState; 23 class ExceptionState;
24 class ExclusiveStreamReader; 24 class ReadableStreamReader;
25 class UnderlyingSource; 25 class UnderlyingSource;
26 26
27 class ReadableStream : public GarbageCollectedFinalized<ReadableStream>, public ScriptWrappable, public ActiveDOMObject { 27 class ReadableStream : public GarbageCollectedFinalized<ReadableStream>, public ScriptWrappable, public ActiveDOMObject {
28 DEFINE_WRAPPERTYPEINFO(); 28 DEFINE_WRAPPERTYPEINFO();
29 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ReadableStream); 29 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ReadableStream);
30 public: 30 public:
31 enum State { 31 enum State {
32 Readable, 32 Readable,
33 Waiting, 33 Waiting,
34 Closed, 34 Closed,
(...skipping 22 matching lines...) Expand all
57 ScriptPromise closed(ScriptState*); 57 ScriptPromise closed(ScriptState*);
58 58
59 virtual ScriptValue readInternal(ScriptState*, ExceptionState&) = 0; 59 virtual ScriptValue readInternal(ScriptState*, ExceptionState&) = 0;
60 ScriptPromise readyInternal(ScriptState*); 60 ScriptPromise readyInternal(ScriptState*);
61 61
62 void close(); 62 void close();
63 void error(PassRefPtrWillBeRawPtr<DOMException>); 63 void error(PassRefPtrWillBeRawPtr<DOMException>);
64 64
65 void didSourceStart(); 65 void didSourceStart();
66 66
67 // This function is not a getter. It creates an ExclusiveStreamReader and 67 // This function is not a getter. It creates an ReadableStreamReader and
68 // returns it. 68 // returns it.
69 ExclusiveStreamReader* getReader(ExceptionState&); 69 ReadableStreamReader* getReader(ExceptionState&);
70 // Only ExclusiveStreamReader methods should call this function. 70 // Only ReadableStreamReader methods should call this function.
71 void setReader(ExclusiveStreamReader*); 71 void setReader(ReadableStreamReader*);
72 72
73 bool isLocked() const { return m_reader; } 73 bool isLocked() const { return m_reader; }
74 bool isLockedTo(const ExclusiveStreamReader* reader) const { return m_reader == reader; } 74 bool isLockedTo(const ReadableStreamReader* reader) const { return m_reader == reader; }
75 75
76 bool hasPendingActivity() const override; 76 bool hasPendingActivity() const override;
77 void stop() override; 77 void stop() override;
78 DECLARE_VIRTUAL_TRACE(); 78 DECLARE_VIRTUAL_TRACE();
79 79
80 // Returns the string representation of the given State. 80 // Returns the string representation of the given State.
81 static String stateToString(State); 81 static String stateToString(State);
82 82
83 protected: 83 protected:
84 bool enqueuePreliminaryCheck(); 84 bool enqueuePreliminaryCheck();
(...skipping 15 matching lines...) Expand all
100 Member<UnderlyingSource> m_source; 100 Member<UnderlyingSource> m_source;
101 bool m_isStarted; 101 bool m_isStarted;
102 bool m_isDraining; 102 bool m_isDraining;
103 bool m_isPulling; 103 bool m_isPulling;
104 State m_state; 104 State m_state;
105 105
106 Member<WaitPromise> m_ready; 106 Member<WaitPromise> m_ready;
107 Member<ClosedPromise> m_closed; 107 Member<ClosedPromise> m_closed;
108 108
109 RefPtrWillBeMember<DOMException> m_exception; 109 RefPtrWillBeMember<DOMException> m_exception;
110 Member<ExclusiveStreamReader> m_reader; 110 Member<ReadableStreamReader> m_reader;
111 }; 111 };
112 112
113 } // namespace blink 113 } // namespace blink
114 114
115 #endif // ReadableStream_h 115 #endif // ReadableStream_h
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