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// 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 CHROME_COMMON_FILE_SYSTEM_FILE_SYSTEM_DISPATCHER_H_
#define CHROME_COMMON_FILE_SYSTEM_FILE_SYSTEM_DISPATCHER_H_
#include <vector>
#include "base/basictypes.h"
#include "base/file_util_proxy.h"
#include "base/id_map.h"
#include "ipc/ipc_channel.h"
#include "ipc/ipc_message.h"
#include "webkit/fileapi/file_system_callback_dispatcher.h"
#include "webkit/fileapi/file_system_types.h"
namespace base {
struct PlatformFileInfo;
}
class FilePath;
class GURL;
// Dispatches and sends file system related messages sent to/from a child
// process from/to the main browser process. There is one instance
// per child process. Messages are dispatched on the main child thread.
class FileSystemDispatcher {
public:
FileSystemDispatcher();
~FileSystemDispatcher();
bool OnMessageReceived(const IPC::Message& msg);
void OpenFileSystem(const GURL& origin_url,
fileapi::FileSystemType type,
long long size,
fileapi::FileSystemCallbackDispatcher* dispatcher);
bool Move(const FilePath& src_path,
const FilePath& dest_path,
fileapi::FileSystemCallbackDispatcher* dispatcher);
bool Copy(const FilePath& src_path,
const FilePath& dest_path,
fileapi::FileSystemCallbackDispatcher* dispatcher);
bool Remove(const FilePath& path,
fileapi::FileSystemCallbackDispatcher* dispatcher);
bool ReadMetadata(const FilePath& path,
fileapi::FileSystemCallbackDispatcher* dispatcher);
bool Create(const FilePath& path,
bool exclusive,
bool is_directory,
bool recursive,
fileapi::FileSystemCallbackDispatcher* dispatcher);
bool Exists(const FilePath& path,
bool for_directory,
fileapi::FileSystemCallbackDispatcher* dispatcher);
bool ReadDirectory(const FilePath& path,
fileapi::FileSystemCallbackDispatcher* dispatcher);
bool Truncate(const FilePath& path,
int64 offset,
int* request_id_out,
fileapi::FileSystemCallbackDispatcher* dispatcher);
bool Write(const FilePath& path,
const GURL& blob_url,
int64 offset,
int* request_id_out,
fileapi::FileSystemCallbackDispatcher* dispatcher);
bool Cancel(int request_id_to_cancel,
fileapi::FileSystemCallbackDispatcher* dispatcher);
bool TouchFile(const FilePath& file_path,
const base::Time& last_access_time,
const base::Time& last_modified_time,
fileapi::FileSystemCallbackDispatcher* dispatcher);
private:
// Message handler for OpenFileSystem.
void OnOpenFileSystemRequestComplete(
int request_id,
bool accepted,
const std::string& name,
const FilePath& root_path);
// Message handlers for regular file system operations.
void DidSucceed(int request_id);
void DidReadMetadata(int request_id,
const base::PlatformFileInfo& file_info);
void DidReadDirectory(
int request_id,
const std::vector<base::file_util_proxy::Entry>& entries,
bool has_more);
void DidFail(int request_id, base::PlatformFileError error_code);
void DidWrite(int request_id, int64 bytes, bool complete);
IDMap<fileapi::FileSystemCallbackDispatcher, IDMapOwnPointer> dispatchers_;
DISALLOW_COPY_AND_ASSIGN(FileSystemDispatcher);
};
#endif // CHROME_COMMON_FILE_SYSTEM_FILE_SYSTEM_DISPATCHER_H_
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