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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/fetch/BodyStreamBuffer.h" | 5 #include "modules/fetch/BodyStreamBuffer.h" |
6 | 6 |
7 #include "bindings/core/v8/ScriptState.h" | 7 #include "bindings/core/v8/ScriptState.h" |
8 #include "bindings/core/v8/V8HiddenValue.h" | 8 #include "bindings/core/v8/V8HiddenValue.h" |
9 #include "bindings/core/v8/WorkerOrWorkletScriptController.h" | 9 #include "bindings/core/v8/WorkerOrWorkletScriptController.h" |
10 #include "core/dom/DOMArrayBuffer.h" | 10 #include "core/dom/DOMArrayBuffer.h" |
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99 }; | 99 }; |
100 | 100 |
101 BodyStreamBuffer::BodyStreamBuffer(ScriptState* scriptState, std::unique_ptr<Fet
chDataConsumerHandle> handle) | 101 BodyStreamBuffer::BodyStreamBuffer(ScriptState* scriptState, std::unique_ptr<Fet
chDataConsumerHandle> handle) |
102 : UnderlyingSourceBase(scriptState) | 102 : UnderlyingSourceBase(scriptState) |
103 , m_scriptState(scriptState) | 103 , m_scriptState(scriptState) |
104 , m_handle(std::move(handle)) | 104 , m_handle(std::move(handle)) |
105 , m_reader(m_handle->obtainReader(this)) | 105 , m_reader(m_handle->obtainReader(this)) |
106 , m_madeFromReadableStream(false) | 106 , m_madeFromReadableStream(false) |
107 { | 107 { |
108 if (RuntimeEnabledFeatures::responseBodyWithV8ExtraStreamEnabled()) { | 108 if (RuntimeEnabledFeatures::responseBodyWithV8ExtraStreamEnabled()) { |
109 ScriptState::Scope scope(scriptState); | |
110 if (isTerminating(scriptState)) { | 109 if (isTerminating(scriptState)) { |
111 m_reader = nullptr; | 110 m_reader = nullptr; |
112 m_handle = nullptr; | 111 m_handle = nullptr; |
113 return; | 112 return; |
114 } | 113 } |
115 v8::Local<v8::Value> bodyValue = toV8(this, scriptState); | 114 v8::Local<v8::Value> bodyValue = toV8(this, scriptState); |
116 if (bodyValue.IsEmpty()) { | 115 if (bodyValue.IsEmpty()) { |
117 DCHECK(isTerminating(scriptState)); | 116 DCHECK(isTerminating(scriptState)); |
118 m_reader = nullptr; | 117 m_reader = nullptr; |
119 m_handle = nullptr; | 118 m_handle = nullptr; |
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134 m_stream = new ReadableByteStream(this, new ReadableByteStream::StrictSt
rategy); | 133 m_stream = new ReadableByteStream(this, new ReadableByteStream::StrictSt
rategy); |
135 m_stream->didSourceStart(); | 134 m_stream->didSourceStart(); |
136 } | 135 } |
137 } | 136 } |
138 | 137 |
139 BodyStreamBuffer::BodyStreamBuffer(ScriptState* scriptState, ScriptValue stream) | 138 BodyStreamBuffer::BodyStreamBuffer(ScriptState* scriptState, ScriptValue stream) |
140 : UnderlyingSourceBase(scriptState) | 139 : UnderlyingSourceBase(scriptState) |
141 , m_scriptState(scriptState) | 140 , m_scriptState(scriptState) |
142 , m_madeFromReadableStream(true) | 141 , m_madeFromReadableStream(true) |
143 { | 142 { |
144 ScriptState::Scope scope(scriptState); | |
145 DCHECK(RuntimeEnabledFeatures::responseBodyWithV8ExtraStreamEnabled()); | 143 DCHECK(RuntimeEnabledFeatures::responseBodyWithV8ExtraStreamEnabled()); |
146 DCHECK(ReadableStreamOperations::isReadableStream(scriptState, stream)); | 144 DCHECK(ReadableStreamOperations::isReadableStream(scriptState, stream)); |
147 if (isTerminating(scriptState)) | 145 if (isTerminating(scriptState)) |
148 return; | 146 return; |
149 v8::Local<v8::Value> bodyValue = toV8(this, scriptState); | 147 v8::Local<v8::Value> bodyValue = toV8(this, scriptState); |
150 if (bodyValue.IsEmpty()) { | 148 if (bodyValue.IsEmpty()) { |
151 DCHECK(isTerminating(scriptState)); | 149 DCHECK(isTerminating(scriptState)); |
152 return; | 150 return; |
153 } | 151 } |
154 DCHECK(bodyValue->IsObject()); | 152 DCHECK(bodyValue->IsObject()); |
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221 } | 219 } |
222 | 220 |
223 void BodyStreamBuffer::tee(BodyStreamBuffer** branch1, BodyStreamBuffer** branch
2) | 221 void BodyStreamBuffer::tee(BodyStreamBuffer** branch1, BodyStreamBuffer** branch
2) |
224 { | 222 { |
225 DCHECK(!isStreamLocked()); | 223 DCHECK(!isStreamLocked()); |
226 DCHECK(!isStreamDisturbed()); | 224 DCHECK(!isStreamDisturbed()); |
227 *branch1 = nullptr; | 225 *branch1 = nullptr; |
228 *branch2 = nullptr; | 226 *branch2 = nullptr; |
229 | 227 |
230 if (m_madeFromReadableStream) { | 228 if (m_madeFromReadableStream) { |
231 ScriptState::Scope scope(m_scriptState.get()); | |
232 ScriptValue stream1, stream2; | 229 ScriptValue stream1, stream2; |
233 ReadableStreamOperations::tee(m_scriptState.get(), stream(), &stream1, &
stream2); | 230 ReadableStreamOperations::tee(m_scriptState.get(), stream(), &stream1, &
stream2); |
234 *branch1 = new BodyStreamBuffer(m_scriptState.get(), stream1); | 231 *branch1 = new BodyStreamBuffer(m_scriptState.get(), stream1); |
235 *branch2 = new BodyStreamBuffer(m_scriptState.get(), stream2); | 232 *branch2 = new BodyStreamBuffer(m_scriptState.get(), stream2); |
236 return; | 233 return; |
237 } | 234 } |
238 std::unique_ptr<FetchDataConsumerHandle> handle = releaseHandle(); | 235 std::unique_ptr<FetchDataConsumerHandle> handle = releaseHandle(); |
239 std::unique_ptr<FetchDataConsumerHandle> handle1, handle2; | 236 std::unique_ptr<FetchDataConsumerHandle> handle1, handle2; |
240 DataConsumerTee::create(m_scriptState->getExecutionContext(), std::move(hand
le), &handle1, &handle2); | 237 DataConsumerTee::create(m_scriptState->getExecutionContext(), std::move(hand
le), &handle1, &handle2); |
241 *branch1 = new BodyStreamBuffer(m_scriptState.get(), std::move(handle1)); | 238 *branch1 = new BodyStreamBuffer(m_scriptState.get(), std::move(handle1)); |
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480 return createFetchDataConsumerHandleFromWebHandle(createDoneDataConsumer
Handle()); | 477 return createFetchDataConsumerHandleFromWebHandle(createDoneDataConsumer
Handle()); |
481 } | 478 } |
482 if (isErrored) | 479 if (isErrored) |
483 return createFetchDataConsumerHandleFromWebHandle(createUnexpectedErrorD
ataConsumerHandle()); | 480 return createFetchDataConsumerHandleFromWebHandle(createUnexpectedErrorD
ataConsumerHandle()); |
484 | 481 |
485 DCHECK(handle); | 482 DCHECK(handle); |
486 return handle; | 483 return handle; |
487 } | 484 } |
488 | 485 |
489 } // namespace blink | 486 } // namespace blink |
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