Bug 37840 – Add FileError for File API

• Component: WebCore JavaScript
• Status: RESOLVED FIXED

[Jian Li]

Need to implement FileError as defined in File API (http://www.w3.org/TR/2009/WD-FileAPI-20091117/#dfn-fileerror).

This is needed by both FileReader and FileWriter.

[Jian Li]

Created attachment 53766 [details]
Proposed Patch

[Jian Li]

Created attachment 53892 [details]
Proposed Patch

Added FileErrorConstructor to DOMWindow.

[Dmitry Titov]

Is it possible to split the patch into modifying the code generators and adding a FileError object?
I'd look at FileError, but there are others with much better understanding of generators...

[Jian Li]

Created attachment 54080 [details]
Proposed Patch

Moved code generator changes to a separate patch.

[Dmitry Titov]

Comment on attachment 54080 [details]
Proposed Patch

r=me with 2 nits:

diff --git a/WebCore/dom/ExceptionCode.h b/WebCore/dom/ExceptionCode.h
+
+        // Introduced in File API:

It'd be nice to have a link to a spec here as well.

+#if ENABLE(FILE_READER) || ENABLE(FILE_WRITER)
+        NOT_READABLE_ERR = 24,
+        ENCODING_ERR = 26,
+#endif

diff --git a/WebCore/html/FileError.h b/WebCore/html/FileError.h
+private:
+    FileError() : m_code(0) { }

Initializer should be on a separate line.

[Jian Li]

Fixed and landed at http://trac.webkit.org/changeset/58194.

[Kinuko Yasuda]

Hi, thanks for adding it.

+class FileError : public RefCounted<FileError> {
+public:
+    static PassRefPtr<FileError> create(ExceptionCode code) { return adoptRef(new FileError(code)); }

+private:
+    FileError() : m_code(0) { }

Don't we need a constructor that takes an ExceptionCode?

[Jian Li]

> Don't we need a constructor that takes an ExceptionCode?

Yes, I noticed this when I turn on the feature during building FileReader. The fix is included in the patch for bug 38157. Thanks.