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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WebFileSystem_h
#define WebFileSystem_h
#include "WebCommon.h"
#include "WebString.h"
namespace WebKit {
class WebFileSystemCallbacks;
class WebFileSystem {
public:
enum Type {
TypeTemporary,
TypePersistent,
};
// Moves a file or directory at |srcPath| to |destPath|.
// WebFileSystemCallbacks::didSucceed() must be called when the operation is completed successfully.
// WebFileSystemCallbacks::didFail() must be called otherwise.
virtual void move(const WebString& srcPath, const WebString& destPath, WebFileSystemCallbacks*) { WEBKIT_ASSERT_NOT_REACHED(); }
// Copies a file or directory at |srcPath| to |destPath|.
// WebFileSystemCallbacks::didSucceed() must be called when the operation is completed successfully.
// WebFileSystemCallbacks::didFail() must be called otherwise.
virtual void copy(const WebString& srcPath, const WebString& destPath, WebFileSystemCallbacks*) { WEBKIT_ASSERT_NOT_REACHED(); }
// Deletes a file or directory at a given |path|.
// WebFileSystemCallbacks::didSucceed() must be called when the operation is completed successfully.
// WebFileSystemCallbacks::didFail() must be called otherwise.
virtual void remove(const WebString& path, WebFileSystemCallbacks*) { WEBKIT_ASSERT_NOT_REACHED(); }
// Retrieves the metadata information of the file or directory at the given |path|.
// WebFileSystemCallbacks::didReadMetadata() must be called with a valid metadata when the retrieval is completed successfully.
// WebFileSystemCallbacks::didFail() must be called otherwise.
virtual void readMetadata(const WebString& path, WebFileSystemCallbacks*) { WEBKIT_ASSERT_NOT_REACHED(); }
// Creates a file at given |path|.
// If the |path| doesn't exist, it creates a new file at |path|.
// If |exclusive| is true, it fails if the |path| already exists.
// If |exclusive| is false, it succeeds if the |path| already exists or
// it has successfully created a new file at |path|.
//
// WebFileSystemCallbacks::didSucceed() must be called when the operation is completed successfully.
// WebFileSystemCallbacks::didFail() must be called otherwise.
virtual void createFile(const WebString& path, bool exclusive, WebFileSystemCallbacks*) { WEBKIT_ASSERT_NOT_REACHED(); }
// Creates a directory at a given |path|.
// If the |path| doesn't exist, it creates a new directory at |path|.
// If |exclusive| is true, it fails if the |path| already exists.
// If |exclusive| is false, it succeeds if the |path| already exists or it has successfully created a new directory at |path|.
//
// WebFileSystemCallbacks::didSucceed() must be called when
// the operation is completed successfully.
// WebFileSystemCallbacks::didFail() must be called otherwise.
virtual void createDirectory(const WebString& path, bool exclusive, WebFileSystemCallbacks*) { WEBKIT_ASSERT_NOT_REACHED(); }
// Checks if a file exists at a given |path|.
// WebFileSystemCallbacks::didSucceed() must be called when the operation is completed successfully.
// WebFileSystemCallbacks::didFail() must be called otherwise.
virtual void fileExists(const WebString& path, WebFileSystemCallbacks*) { WEBKIT_ASSERT_NOT_REACHED(); }
// Checks if a directory exists at a given |path|.
// WebFileSystemCallbacks::didSucceed() must be called when the operation is completed successfully.
// WebFileSystemCallbacks::didFail() must be called otherwise.
virtual void directoryExists(const WebString& path, WebFileSystemCallbacks*) { WEBKIT_ASSERT_NOT_REACHED(); }
// Reads directory entries of a given directory at |path|.
// WebFileSystemCallbacks::didReadDirectory() must be called when the operation is completed successfully.
// WebFileSystemCallbacks::didFail() must be called otherwise.
virtual void readDirectory(const WebString& path, WebFileSystemCallbacks*) { WEBKIT_ASSERT_NOT_REACHED(); }
protected:
virtual ~WebFileSystem() { }
};
} // namespace WebKit
#endif
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