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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 "config.h" | 5 #include "config.h" |
6 #include "modules/serviceworkers/Body.h" | 6 #include "modules/serviceworkers/Body.h" |
7 | 7 |
8 #include "bindings/core/v8/ScriptPromiseResolver.h" | 8 #include "bindings/core/v8/ScriptPromiseResolver.h" |
9 #include "bindings/core/v8/ScriptState.h" | 9 #include "bindings/core/v8/ScriptState.h" |
10 #include "bindings/core/v8/V8ThrowException.h" | 10 #include "bindings/core/v8/V8ThrowException.h" |
11 #include "core/dom/DOMArrayBuffer.h" | 11 #include "core/dom/DOMArrayBuffer.h" |
12 #include "core/fileapi/Blob.h" | 12 #include "core/fileapi/Blob.h" |
13 #include "core/fileapi/FileReaderLoader.h" | 13 #include "core/fileapi/FileReaderLoader.h" |
14 #include "core/fileapi/FileReaderLoaderClient.h" | 14 #include "core/fileapi/FileReaderLoaderClient.h" |
15 | 15 |
16 namespace blink { | 16 namespace blink { |
17 | 17 |
18 ScriptPromise Body::readAsync(ScriptState* scriptState, ResponseType type) | 18 ScriptPromise Body::readAsync(ScriptState* scriptState, ResponseType type) |
19 { | 19 { |
20 if (m_bodyUsed) | 20 if (m_bodyUsed) |
21 return ScriptPromise::reject(scriptState, V8ThrowException::createTypeEr
ror("Already read", scriptState->isolate())); | 21 return ScriptPromise::reject(scriptState, V8ThrowException::createTypeEr
ror(scriptState->isolate(), "Already read")); |
22 | 22 |
23 // When the main thread sends a V8::TerminateExecution() signal to a worker | 23 // When the main thread sends a V8::TerminateExecution() signal to a worker |
24 // thread, any V8 API on the worker thread starts returning an empty | 24 // thread, any V8 API on the worker thread starts returning an empty |
25 // handle. This can happen in Body::readAsync. To avoid the situation, we | 25 // handle. This can happen in Body::readAsync. To avoid the situation, we |
26 // first check the ExecutionContext and return immediately if it's already | 26 // first check the ExecutionContext and return immediately if it's already |
27 // gone (which means that the V8::TerminateExecution() signal has been sent | 27 // gone (which means that the V8::TerminateExecution() signal has been sent |
28 // to this worker thread). | 28 // to this worker thread). |
29 ExecutionContext* executionContext = scriptState->executionContext(); | 29 ExecutionContext* executionContext = scriptState->executionContext(); |
30 if (!executionContext) | 30 if (!executionContext) |
31 return ScriptPromise(); | 31 return ScriptPromise(); |
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197 { | 197 { |
198 ASSERT(m_resolver); | 198 ASSERT(m_resolver); |
199 if (!m_resolver->executionContext() || m_resolver->executionContext()->activ
eDOMObjectsAreStopped()) | 199 if (!m_resolver->executionContext() || m_resolver->executionContext()->activ
eDOMObjectsAreStopped()) |
200 return; | 200 return; |
201 | 201 |
202 m_resolver->resolve(""); | 202 m_resolver->resolve(""); |
203 m_resolver.clear(); | 203 m_resolver.clear(); |
204 } | 204 } |
205 | 205 |
206 } // namespace blink | 206 } // namespace blink |
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