Source/core/fileapi/Blob.h - Issue 157363003: Implement Blob.close().

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Issue 157363003: Implement Blob.close(). (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Rebased Created 6 years, 10 months ago

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1 /*	1 /*

2 * Copyright (C) 2010 Google Inc. All rights reserved.	2 * Copyright (C) 2010 Google Inc. All rights reserved.

3 *	3 *

4 * Redistribution and use in source and binary forms, with or without	4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions are	5 * modification, are permitted provided that the following conditions are

6 * met:	6 * met:

7 *	7 *

8 * * Redistributions of source code must retain the above copyright	8 * * Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.	9 * notice, this list of conditions and the following disclaimer.

10 * * Redistributions in binary form must reproduce the above	10 * * Redistributions in binary form must reproduce the above

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52	52

53 static PassRefPtr<Blob> create(PassRefPtr<BlobDataHandle> blobDataHandle)	53 static PassRefPtr<Blob> create(PassRefPtr<BlobDataHandle> blobDataHandle)

54 {	54 {

55 return adoptRef(new Blob(blobDataHandle));	55 return adoptRef(new Blob(blobDataHandle));

56 }	56 }

57	57

58 virtual ~Blob();	58 virtual ~Blob();

59	59

60 virtual unsigned long long size() const { return m_blobDataHandle->size(); }	60 virtual unsigned long long size() const { return m_blobDataHandle->size(); }

61 virtual PassRefPtr<Blob> slice(long long start = 0, long long end = std::num eric_limits<long long>::max(), const String& contentType = String()) const;	61 virtual PassRefPtr<Blob> slice(long long start = 0, long long end = std::num eric_limits<long long>::max(), const String& contentType = String()) const;

	62 virtual void close(ExecutionContext*);

62	63

63 String type() const { return m_blobDataHandle->type(); }	64 String type() const { return m_blobDataHandle->type(); }

64 String uuid() const { return m_blobDataHandle->uuid(); }	65 String uuid() const { return m_blobDataHandle->uuid(); }

65 PassRefPtr<BlobDataHandle> blobDataHandle() const { return m_blobDataHandle; }	66 PassRefPtr<BlobDataHandle> blobDataHandle() const { return m_blobDataHandle; }

66 // True for all File instances, including the user-built ones.	67 // True for all File instances, including the user-built ones.

67 virtual bool isFile() const { return false; }	68 virtual bool isFile() const { return false; }

68 // Only true for File instances that are backed by platform files.	69 // Only true for File instances that are backed by platform files.

69 virtual bool hasBackingFile() const { return false; }	70 virtual bool hasBackingFile() const { return false; }

	71 bool hasBeenClosed() const { return m_hasBeenClosed; }

70	72

71 // Used by the JavaScript Blob and File constructors.	73 // Used by the JavaScript Blob and File constructors.

72 virtual void appendTo(BlobData&) const;	74 virtual void appendTo(BlobData&) const;

73	75

74 // URLRegistrable to support PublicURLs.	76 // URLRegistrable to support PublicURLs.

75 virtual URLRegistry& registry() const OVERRIDE FINAL;	77 virtual URLRegistry& registry() const OVERRIDE FINAL;

76	78

77 static void clampSliceOffsets(long long size, long long& start, long long& e nd);

78 protected:	79 protected:

79 explicit Blob(PassRefPtr<BlobDataHandle>);	80 explicit Blob(PassRefPtr<BlobDataHandle>);

80	81

	82 static void clampSliceOffsets(long long size, long long& start, long long& e nd);

81 private:	83 private:

82 Blob();	84 Blob();

	85

83 RefPtr<BlobDataHandle> m_blobDataHandle;	86 RefPtr<BlobDataHandle> m_blobDataHandle;

	87 bool m_hasBeenClosed;

84 };	88 };

85	89

86 } // namespace WebCore	90 } // namespace WebCore

87	91

88 #endif // Blob_h	92 #endif // Blob_h

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