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

Issue 606653006: bindings: Adds DOMArrayBuffer, etc. as thin wrappers for ArrayBuffer, etc. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Synced. Created 6 years, 2 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 ReadableStreamImpl_h 5 #ifndef ReadableStreamImpl_h
6 #define ReadableStreamImpl_h 6 #define ReadableStreamImpl_h
7 7
8 #include "bindings/core/v8/ExceptionState.h" 8 #include "bindings/core/v8/ExceptionState.h"
9 #include "bindings/core/v8/ScriptState.h" 9 #include "bindings/core/v8/ScriptState.h"
10 #include "bindings/core/v8/ScriptValue.h" 10 #include "bindings/core/v8/ScriptValue.h"
11 #include "bindings/core/v8/V8Binding.h" 11 #include "bindings/core/v8/V8Binding.h"
12 #include "core/dom/DOMArrayBuffer.h"
12 #include "core/streams/ReadableStream.h" 13 #include "core/streams/ReadableStream.h"
13 #include "wtf/ArrayBuffer.h"
14 #include "wtf/Deque.h" 14 #include "wtf/Deque.h"
15 #include "wtf/Forward.h"
16 #include "wtf/OwnPtr.h"
17 #include "wtf/RefPtr.h" 15 #include "wtf/RefPtr.h"
18 #include "wtf/text/WTFString.h" 16 #include "wtf/text/WTFString.h"
19 17
20 namespace blink { 18 namespace blink {
21 19
22 // We define the default ChunkTypeTraits for frequently used types. 20 // We define the default ChunkTypeTraits for frequently used types.
23 template<typename ChunkType> 21 template<typename ChunkType>
24 class ReadableStreamChunkTypeTraits { }; 22 class ReadableStreamChunkTypeTraits { };
25 23
26 template<> 24 template<>
27 class ReadableStreamChunkTypeTraits<String> { 25 class ReadableStreamChunkTypeTraits<String> {
28 public: 26 public:
29 typedef String HoldType; 27 typedef String HoldType;
30 typedef const String& PassType; 28 typedef const String& PassType;
31 29
32 static size_t size(const String& value) { return value.length(); } 30 static size_t size(const String& value) { return value.length(); }
33 static ScriptValue toScriptValue(ScriptState* scriptState, const HoldType& v alue) 31 static ScriptValue toScriptValue(ScriptState* scriptState, const HoldType& v alue)
34 { 32 {
35 return ScriptValue(scriptState, v8String(scriptState->isolate(), value)) ; 33 return ScriptValue(scriptState, v8String(scriptState->isolate(), value)) ;
36 } 34 }
37 }; 35 };
38 36
39 template<> 37 template<>
40 class ReadableStreamChunkTypeTraits<ArrayBuffer> { 38 class ReadableStreamChunkTypeTraits<DOMArrayBuffer> {
41 public: 39 public:
42 typedef RefPtr<ArrayBuffer> HoldType; 40 typedef RefPtr<DOMArrayBuffer> HoldType;
43 typedef PassRefPtr<ArrayBuffer> PassType; 41 typedef PassRefPtr<DOMArrayBuffer> PassType;
44 42
45 static size_t size(const PassType& value) { return value->byteLength(); } 43 static size_t size(const PassType& value) { return value->byteLength(); }
46 static size_t size(const HoldType& value) { return value->byteLength(); } 44 static size_t size(const HoldType& value) { return value->byteLength(); }
47 static ScriptValue toScriptValue(ScriptState* scriptState, const HoldType& v alue) 45 static ScriptValue toScriptValue(ScriptState* scriptState, const HoldType& v alue)
48 { 46 {
49 return ScriptValue(scriptState, toV8NoInline(value.get(), scriptState->c ontext()->Global(), scriptState->isolate())); 47 return ScriptValue(scriptState, toV8NoInline(value.get(), scriptState->c ontext()->Global(), scriptState->isolate()));
50 } 48 }
51 }; 49 };
52 50
53 // ReadableStreamImpl<ChunkTypeTraits> is a ReadableStream subtype. It has a 51 // ReadableStreamImpl<ChunkTypeTraits> is a ReadableStream subtype. It has a
(...skipping 51 matching lines...) Expand 10 before | Expand all | Expand 10 after
105 ASSERT(!m_queue.isEmpty()); 103 ASSERT(!m_queue.isEmpty());
106 typename ChunkTypeTraits::HoldType chunk = m_queue.takeFirst(); 104 typename ChunkTypeTraits::HoldType chunk = m_queue.takeFirst();
107 m_totalQueueSize -= ChunkTypeTraits::size(chunk); 105 m_totalQueueSize -= ChunkTypeTraits::size(chunk);
108 readPostAction(); 106 readPostAction();
109 return ChunkTypeTraits::toScriptValue(scriptState, chunk); 107 return ChunkTypeTraits::toScriptValue(scriptState, chunk);
110 } 108 }
111 109
112 } // namespace blink 110 } // namespace blink
113 111
114 #endif // ReadableStreamImpl_h 112 #endif // ReadableStreamImpl_h
115
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