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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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/offscreencanvas/OffscreenCanvasModules.h" | 5 #include "modules/offscreencanvas/OffscreenCanvasModules.h" |
6 | 6 |
7 #include "core/html/canvas/CanvasContextCreationAttributes.h" | 7 #include "core/html/canvas/CanvasContextCreationAttributes.h" |
8 #include "core/offscreencanvas/OffscreenCanvas.h" | 8 #include "core/offscreencanvas/OffscreenCanvas.h" |
9 #include "modules/offscreencanvas2d/OffscreenCanvasRenderingContext2D.h" | 9 #include "modules/offscreencanvas2d/OffscreenCanvasRenderingContext2D.h" |
10 | 10 |
11 namespace blink { | 11 namespace blink { |
12 | 12 |
13 OffscreenCanvasRenderingContext2D* OffscreenCanvasModules::getContext(OffscreenC anvas& offscreenCanvas, const String& id, const CanvasContextCreationAttributes& attributes) | 13 OffscreenCanvasRenderingContext2D* OffscreenCanvasModules::getContext(OffscreenC anvas& offscreenCanvas, const String& id, const CanvasContextCreationAttributes& attributes, ExceptionState& exceptionState) |
14 { | 14 { |
15 if (offscreenCanvas.isNeutered()) { | |
16 exceptionState.throwDOMException(InvalidStateError, "Cannot get context of a neutered OffscreenCanvas"); | |
Justin Novosad
2016/04/26 20:08:32
Message: "OffscreenCanvas object is detached"
xidachen
2016/04/26 20:40:59
Done.
| |
17 return nullptr; | |
18 } | |
19 | |
15 CanvasRenderingContext* context = offscreenCanvas.getCanvasRenderingContext( id, attributes); | 20 CanvasRenderingContext* context = offscreenCanvas.getCanvasRenderingContext( id, attributes); |
16 if (!context) | 21 if (!context) |
17 return nullptr; | 22 return nullptr; |
18 | 23 |
19 return static_cast<OffscreenCanvasRenderingContext2D*>(context); | 24 return static_cast<OffscreenCanvasRenderingContext2D*>(context); |
20 } | 25 } |
21 | 26 |
22 } // namespace blink | 27 } // namespace blink |
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