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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 UnderlyingSource_h | 5 #ifndef UnderlyingSource_h |
6 #define UnderlyingSource_h | 6 #define UnderlyingSource_h |
7 | 7 |
| 8 #include "bindings/core/v8/ScriptPromise.h" |
8 #include "bindings/core/v8/ScriptValue.h" | 9 #include "bindings/core/v8/ScriptValue.h" |
9 #include "platform/heap/Heap.h" | 10 #include "platform/heap/Heap.h" |
10 | 11 |
11 namespace blink { | 12 namespace blink { |
12 | 13 |
13 class ExceptionState; | 14 class ExceptionState; |
14 class ScriptState; | 15 class ScriptState; |
15 | 16 |
16 class UnderlyingSource : public GarbageCollectedFinalized<UnderlyingSource> { | 17 class UnderlyingSource : public GarbageCollectedMixin { |
17 public: | 18 public: |
18 virtual ~UnderlyingSource() { } | 19 virtual ~UnderlyingSource() { } |
19 | 20 |
20 // When startSource fails asynchronously, it must call | |
21 // ReadableStream::error with a DOM exception. | |
22 virtual ScriptPromise startSource(ExceptionState*) = 0; | |
23 virtual void pullSource() = 0; | 21 virtual void pullSource() = 0; |
24 virtual ScriptPromise cancelSource(ScriptState*, ScriptValue reason) = 0; | 22 virtual ScriptPromise cancelSource(ScriptState*, ScriptValue reason) = 0; |
25 virtual void trace(Visitor*) { } | 23 virtual void trace(Visitor*) { } |
26 }; | 24 }; |
27 | 25 |
28 } // namespace blink | 26 } // namespace blink |
29 | 27 |
30 #endif // UnderlyingSource_h | 28 #endif // UnderlyingSource_h |
31 | 29 |
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