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36 #include "PlatformString.h"
37 #include <wtf/PassOwnPtr.h>
38 #include <wtf/PassRefPtr.h>
39 #include <wtf/RefCounted.h>
40 #include <wtf/Vector.h>
44 class ScriptExecutionContext;
46 class Blob : public RefCounted<Blob> {
48 static PassRefPtr<Blob> create()
50 return adoptRef(new Blob);
53 static PassRefPtr<Blob> create(PassOwnPtr<BlobData> blobData, long long size)
55 return adoptRef(new Blob(blobData, size));
58 // For deserialization.
59 static PassRefPtr<Blob> create(const KURL& srcURL, const String& type, long long size)
61 return adoptRef(new Blob(srcURL, type, size));
66 const KURL& url() const { return m_internalURL; }
67 const String& type() const { return m_type; }
69 virtual unsigned long long size() const { return static_cast<unsigned long long>(m_size); }
70 virtual bool isFile() const { return false; }
73 PassRefPtr<Blob> slice(long long start = 0, long long end = std::numeric_limits<long long>::max(), const String& contentType = String()) const;
75 // Prefixed version is deprecated. This internally calls sliceInternal() (as slice() does) after showing a deprecation message.
76 PassRefPtr<Blob> webkitSlice(ScriptExecutionContext*, long long start = 0, long long end = std::numeric_limits<long long>::max(), const String& contentType = String()) const;
82 Blob(PassOwnPtr<BlobData>, long long size);
84 // For deserialization.
85 Blob(const KURL& srcURL, const String& type, long long size);
88 PassRefPtr<Blob> sliceInternal(long long start, long long end, const String& contentType) const;
91 // This is an internal URL referring to the blob data associated with this object. It serves
92 // as an identifier for this blob. The internal URL is never used to source the blob's content
93 // into an HTML or for FileRead'ing, public blob URLs must be used for those purposes.
100 } // namespace WebCore