third_party/WebKit/Source/modules/canvas/HTMLCanvasElementModule.h - Issue 2323933004: Disallow users modify canvas after it transfers control to offscreen

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Side by Side Diff: third_party/WebKit/Source/modules/canvas/HTMLCanvasElementModule.h

Issue 2323933004: Disallow users modify canvas after it transfers control to offscreen (Closed)

Patch Set: Fix Created 4 years, 3 months ago

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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 #ifndef HTMLCanvasElementModule_h	5 #ifndef HTMLCanvasElementModule_h

6 #define HTMLCanvasElementModule_h	6 #define HTMLCanvasElementModule_h

7	7

8 #include "core/html/HTMLCanvasElement.h"	8 #include "core/html/HTMLCanvasElement.h"

9 #include "modules/ModulesExport.h"	9 #include "modules/ModulesExport.h"

10 #include "wtf/text/WTFString.h"	10 #include "wtf/text/WTFString.h"

11	11

12 namespace blink {	12 namespace blink {

13	13

14 class CanvasContextCreationAttributes;	14 class CanvasContextCreationAttributes;

15 class HTMLCanvasElement;	15 class HTMLCanvasElement;

16 class ScriptState;	16 class ScriptState;

17 class OffscreenCanvas;	17 class OffscreenCanvas;

18	18

19 class MODULES_EXPORT HTMLCanvasElementModule {	19 class MODULES_EXPORT HTMLCanvasElementModule {

20 STATIC_ONLY(HTMLCanvasElementModule);	20 STATIC_ONLY(HTMLCanvasElementModule);

21	21

22 friend class HTMLCanvasElementModuleTest;	22 friend class HTMLCanvasElementModuleTest;

23	23

24 public:	24 public:

25 static void getContext(HTMLCanvasElement&, const String&, const CanvasContex tCreationAttributes&, RenderingContext&);	25 static void getContext(HTMLCanvasElement&, const String&, const CanvasContex tCreationAttributes&, ExceptionState&, RenderingContext&);

26 static OffscreenCanvas* transferControlToOffscreen(HTMLCanvasElement&, Excep tionState&);	26 static OffscreenCanvas* transferControlToOffscreen(HTMLCanvasElement&, Excep tionState&);

27	27

28 private:	28 private:

29 static OffscreenCanvas* transferControlToOffscreenInternal(HTMLCanvasElement &, ExceptionState&);	29 static OffscreenCanvas* transferControlToOffscreenInternal(HTMLCanvasElement &, ExceptionState&);

30 };	30 };

31	31

32 }	32 }

33	33

34 #endif	34 #endif

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