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| author | michaeln@chromium.org <michaeln@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2010-10-14 00:44:08 +0000 |
|---|---|---|
| committer | michaeln@chromium.org <michaeln@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2010-10-14 00:44:08 +0000 |
| commit | 2687ad7d62c737430aa780f9db9a0a166931a735 (patch) | |
| tree | 5e5a5eb1a62948713721241ebf87bbd0690ac341 /webkit/fileapi/webfilewriter_base.h | |
| parent | 1dfff5c058db41e3b2caa74159ee7ed458bc9d69 (diff) | |
| download | chromium_src-2687ad7d62c737430aa780f9db9a0a166931a735.zip chromium_src-2687ad7d62c737430aa780f9db9a0a166931a735.tar.gz chromium_src-2687ad7d62c737430aa780f9db9a0a166931a735.tar.bz2 | |
SimpleFileWriter for test_shell and DRT.
BUG=none
TEST=manual
Review URL: http://codereview.chromium.org/3683004
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@62486 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'webkit/fileapi/webfilewriter_base.h')
| -rw-r--r-- | webkit/fileapi/webfilewriter_base.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/webkit/fileapi/webfilewriter_base.h b/webkit/fileapi/webfilewriter_base.h new file mode 100644 index 0000000..790e48b --- /dev/null +++ b/webkit/fileapi/webfilewriter_base.h @@ -0,0 +1,69 @@ +// Copyright (c) 2010 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef WEBKIT_FILEAPI_WEBFILEWRITER_BASE_H_ +#define WEBKIT_FILEAPI_WEBFILEWRITER_BASE_H_ + +#include "base/file_path.h" +#include "base/platform_file.h" +#include "third_party/WebKit/WebKit/chromium/public/WebFileWriter.h" + +class GURL; + +namespace WebKit { +class WebFileWriterClient; +class WebString; +class WebURL; +} + +namespace fileapi { + +class WebFileWriterBase : public WebKit::WebFileWriter { + public: + WebFileWriterBase( + const WebKit::WebString& path, WebKit::WebFileWriterClient* client); + virtual ~WebFileWriterBase(); + + // WebFileWriter implementation + virtual void truncate(long long length); + virtual void write(long long position, const WebKit::WebURL& blobURL); + virtual void cancel(); + + protected: + // Derived classes must provide these methods to asynchronously perform + // the requested operation, and they must call the appropiate DidSomething + // method upon completion and as progress is made in the Write case. + virtual void DoTruncate(const FilePath& path, int64 offset) = 0; + virtual void DoWrite(const FilePath& path, const GURL& blob_url, + int64 offset) = 0; + virtual void DoCancel() = 0; + + void DidSucceed(); + void DidFail(base::PlatformFileError error_code); + void DidWrite(int64 bytes, bool complete); + + private: + enum OperationType { + kOperationNone, + kOperationWrite, + kOperationTruncate + }; + + enum CancelState { + kCancelNotInProgress, + kCancelSent, + kCancelReceivedWriteResponse, + }; + + void FinishCancel(); + + FilePath path_; + WebKit::WebFileWriterClient* client_; + OperationType operation_; + CancelState cancel_state_; +}; + +} // namespace fileapi + +#endif // WEBKIT_FILEAPI_WEBFILEWRITER_BASE_H_ |