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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 FileSystemCallbacks_h
#define FileSystemCallbacks_h
#if ENABLE(FILE_SYSTEM)
#include "AsyncFileSystemCallbacks.h"
#include "FileSystemType.h"
#include <wtf/PassRefPtr.h>
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class AsyncFileWriter;
class DOMFileSystemBase;
class DirectoryReaderBase;
class EntriesCallback;
class EntryArray;
class EntryCallback;
class ErrorCallback;
struct FileMetadata;
class FileSystemCallback;
class FileWriterBase;
class FileWriterBaseCallback;
class MetadataCallback;
class ScriptExecutionContext;
class VoidCallback;
class FileSystemCallbacksBase : public AsyncFileSystemCallbacks {
public:
virtual ~FileSystemCallbacksBase();
// For ErrorCallback.
virtual void didFail(int code);
// Other callback methods are implemented by each subclass.
protected:
FileSystemCallbacksBase(PassRefPtr<ErrorCallback>);
RefPtr<ErrorCallback> m_errorCallback;
};
// Subclasses ----------------------------------------------------------------
class EntryCallbacks : public FileSystemCallbacksBase {
public:
static PassOwnPtr<EntryCallbacks> create(PassRefPtr<EntryCallback>, PassRefPtr<ErrorCallback>, PassRefPtr<DOMFileSystemBase>, const String& expectedPath, bool isDirectory);
virtual void didSucceed();
private:
EntryCallbacks(PassRefPtr<EntryCallback>, PassRefPtr<ErrorCallback>, PassRefPtr<DOMFileSystemBase>, const String& expectedPath, bool isDirectory);
RefPtr<EntryCallback> m_successCallback;
RefPtr<DOMFileSystemBase> m_fileSystem;
String m_expectedPath;
bool m_isDirectory;
};
class EntriesCallbacks : public FileSystemCallbacksBase {
public:
static PassOwnPtr<EntriesCallbacks> create(PassRefPtr<EntriesCallback>, PassRefPtr<ErrorCallback>, PassRefPtr<DirectoryReaderBase>, const String& basePath);
virtual void didReadDirectoryEntry(const String& name, bool isDirectory);
virtual void didReadDirectoryEntries(bool hasMore);
private:
EntriesCallbacks(PassRefPtr<EntriesCallback>, PassRefPtr<ErrorCallback>, PassRefPtr<DirectoryReaderBase>, const String& basePath);
RefPtr<EntriesCallback> m_successCallback;
RefPtr<DirectoryReaderBase> m_directoryReader;
String m_basePath;
RefPtr<EntryArray> m_entries;
};
class FileSystemCallbacks : public FileSystemCallbacksBase {
public:
static PassOwnPtr<FileSystemCallbacks> create(PassRefPtr<FileSystemCallback>, PassRefPtr<ErrorCallback>, ScriptExecutionContext*, FileSystemType);
virtual void didOpenFileSystem(const String& name, const KURL& rootURL, PassOwnPtr<AsyncFileSystem>);
private:
FileSystemCallbacks(PassRefPtr<FileSystemCallback>, PassRefPtr<ErrorCallback>, ScriptExecutionContext*, FileSystemType);
RefPtr<FileSystemCallback> m_successCallback;
RefPtr<ScriptExecutionContext> m_scriptExecutionContext;
FileSystemType m_type;
};
class ResolveURICallbacks : public FileSystemCallbacksBase {
public:
static PassOwnPtr<ResolveURICallbacks> create(PassRefPtr<EntryCallback>, PassRefPtr<ErrorCallback>, ScriptExecutionContext*, FileSystemType, const String& filePath);
virtual void didOpenFileSystem(const String& name, const KURL& rootURL, PassOwnPtr<AsyncFileSystem>);
private:
ResolveURICallbacks(PassRefPtr<EntryCallback>, PassRefPtr<ErrorCallback>, ScriptExecutionContext*, FileSystemType, const String& filePath);
RefPtr<EntryCallback> m_successCallback;
RefPtr<ScriptExecutionContext> m_scriptExecutionContext;
FileSystemType m_type;
String m_filePath;
};
class MetadataCallbacks : public FileSystemCallbacksBase {
public:
static PassOwnPtr<MetadataCallbacks> create(PassRefPtr<MetadataCallback>, PassRefPtr<ErrorCallback>);
virtual void didReadMetadata(const FileMetadata&);
private:
MetadataCallbacks(PassRefPtr<MetadataCallback>, PassRefPtr<ErrorCallback>);
RefPtr<MetadataCallback> m_successCallback;
};
class FileWriterBaseCallbacks : public FileSystemCallbacksBase {
public:
static PassOwnPtr<FileWriterBaseCallbacks> create(PassRefPtr<FileWriterBase>, PassRefPtr<FileWriterBaseCallback>, PassRefPtr<ErrorCallback>);
virtual void didCreateFileWriter(PassOwnPtr<AsyncFileWriter>, long long length);
private:
FileWriterBaseCallbacks(PassRefPtr<FileWriterBase>, PassRefPtr<FileWriterBaseCallback>, PassRefPtr<ErrorCallback>);
RefPtr<FileWriterBase> m_fileWriter;
RefPtr<FileWriterBaseCallback> m_successCallback;
};
class VoidCallbacks : public FileSystemCallbacksBase {
public:
static PassOwnPtr<VoidCallbacks> create(PassRefPtr<VoidCallback>, PassRefPtr<ErrorCallback>);
virtual void didSucceed();
private:
VoidCallbacks(PassRefPtr<VoidCallback>, PassRefPtr<ErrorCallback>);
RefPtr<VoidCallback> m_successCallback;
};
} // namespace
#endif // ENABLE(FILE_SYSTEM)
#endif // FileSystemCallbacks_h
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