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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 #include "modules/fetch/CompositeDataConsumerHandle.h" | 5 #include "modules/fetch/CompositeDataConsumerHandle.h" |
| 6 | 6 |
| 7 #include "platform/ThreadSafeFunctional.h" | 7 #include "platform/CrossThreadFunctional.h" |
| 8 #include "public/platform/Platform.h" | 8 #include "public/platform/Platform.h" |
| 9 #include "public/platform/WebTaskRunner.h" | 9 #include "public/platform/WebTaskRunner.h" |
| 10 #include "public/platform/WebThread.h" | 10 #include "public/platform/WebThread.h" |
| 11 #include "public/platform/WebTraceLocation.h" | 11 #include "public/platform/WebTraceLocation.h" |
| 12 #include "wtf/Locker.h" | 12 #include "wtf/Locker.h" |
| 13 #include "wtf/PtrUtil.h" | 13 #include "wtf/PtrUtil.h" |
| 14 #include "wtf/ThreadSafeRefCounted.h" | 14 #include "wtf/ThreadSafeRefCounted.h" |
| 15 #include "wtf/ThreadingPrimitives.h" | 15 #include "wtf/ThreadingPrimitives.h" |
| 16 #include <memory> | 16 #include <memory> |
| 17 | 17 |
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| 135 // We are waiting for the two-phase read completion. | 135 // We are waiting for the two-phase read completion. |
| 136 m_isUpdateWaitingForEndRead = true; | 136 m_isUpdateWaitingForEndRead = true; |
| 137 return; | 137 return; |
| 138 } | 138 } |
| 139 // Unregister the old one, then register the new one. | 139 // Unregister the old one, then register the new one. |
| 140 m_reader = nullptr; | 140 m_reader = nullptr; |
| 141 m_reader = m_handle->obtainReader(m_client); | 141 m_reader = m_handle->obtainReader(m_client); |
| 142 return; | 142 return; |
| 143 } | 143 } |
| 144 ++m_token; | 144 ++m_token; |
| 145 m_readerThread->getWebTaskRunner()->postTask(BLINK_FROM_HERE, threadSafe
Bind(&Context::updateReader, wrapPassRefPtr(this), m_token)); | 145 m_readerThread->getWebTaskRunner()->postTask(BLINK_FROM_HERE, crossThrea
dBind(&Context::updateReader, wrapPassRefPtr(this), m_token)); |
| 146 } | 146 } |
| 147 | 147 |
| 148 std::unique_ptr<Reader> m_reader; | 148 std::unique_ptr<Reader> m_reader; |
| 149 std::unique_ptr<WebDataConsumerHandle> m_handle; | 149 std::unique_ptr<WebDataConsumerHandle> m_handle; |
| 150 // Note: Holding a WebThread raw pointer is not generally safe, but we can | 150 // Note: Holding a WebThread raw pointer is not generally safe, but we can |
| 151 // do that in this case because: | 151 // do that in this case because: |
| 152 // 1. Destructing a ReaderImpl when the bound thread ends is a user's | 152 // 1. Destructing a ReaderImpl when the bound thread ends is a user's |
| 153 // responsibility. | 153 // responsibility. |
| 154 // 2. |m_readerThread| will never be used after the associated reader is | 154 // 2. |m_readerThread| will never be used after the associated reader is |
| 155 // detached. | 155 // detached. |
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| 208 } | 208 } |
| 209 | 209 |
| 210 CompositeDataConsumerHandle::~CompositeDataConsumerHandle() { } | 210 CompositeDataConsumerHandle::~CompositeDataConsumerHandle() { } |
| 211 | 211 |
| 212 WebDataConsumerHandle::Reader* CompositeDataConsumerHandle::obtainReaderInternal
(Client* client) | 212 WebDataConsumerHandle::Reader* CompositeDataConsumerHandle::obtainReaderInternal
(Client* client) |
| 213 { | 213 { |
| 214 return m_context->obtainReader(client).release(); | 214 return m_context->obtainReader(client).release(); |
| 215 } | 215 } |
| 216 | 216 |
| 217 } // namespace blink | 217 } // namespace blink |
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