1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
// 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_BROWSER_FILE_SYSTEM_FILE_SYSTEM_DISPATCHER_HOST_H_
#define CHROME_BROWSER_FILE_SYSTEM_FILE_SYSTEM_DISPATCHER_HOST_H_
#include "base/basictypes.h"
#include "base/file_util.h"
#include "base/id_map.h"
#include "base/nullable_string16.h"
#include "base/process.h"
#include "base/platform_file.h"
#include "base/scoped_callback_factory.h"
#include "base/ref_counted.h"
#include "ipc/ipc_message.h"
#include "webkit/fileapi/file_system_operation.h"
#include "webkit/fileapi/file_system_types.h"
namespace base {
class Time;
}
class ChromeFileSystemOperation;
class FileSystemHostContext;
class GURL;
class HostContentSettingsMap;
class Receiver;
class ResourceMessageFilter;
class FileSystemDispatcherHost
: public base::RefCountedThreadSafe<FileSystemDispatcherHost> {
public:
FileSystemDispatcherHost(IPC::Message::Sender* sender,
FileSystemHostContext* file_system_host_context,
HostContentSettingsMap* host_content_settings_map);
~FileSystemDispatcherHost();
void Init(base::ProcessHandle process_handle);
void Shutdown();
bool OnMessageReceived(const IPC::Message& message, bool* message_was_ok);
void OnOpenFileSystem(int request_id,
const GURL& origin_url,
fileapi::FileSystemType type,
int64 requested_size);
void OnMove(int request_id,
const FilePath& src_path,
const FilePath& dest_path);
void OnCopy(int request_id,
const FilePath& src_path,
const FilePath& dest_path);
void OnRemove(int request_id, const FilePath& path);
void OnReadMetadata(int request_id, const FilePath& path);
void OnCreate(int request_id,
const FilePath& path,
bool exclusive,
bool is_directory,
bool recursive);
void OnExists(int request_id, const FilePath& path, bool is_directory);
void OnReadDirectory(int request_id, const FilePath& path);
void OnWrite(int request_id,
const FilePath& path,
const GURL& blob_url,
int64 offset);
void OnTruncate(int request_id, const FilePath& path, int64 length);
void OnTouchFile(int request_id,
const FilePath& path,
const base::Time& last_access_time,
const base::Time& last_modified_time);
void OnCancel(int request_id, int request_to_cancel);
void Send(IPC::Message* message);
void RemoveCompletedOperation(int request_id);
private:
// Creates a new FileSystemOperation.
fileapi::FileSystemOperation* GetNewOperation(int request_id);
// Checks the validity of a given |path|. Returns true if the given |path|
// is valid as a path for FileSystem API. Otherwise it sends back a
// security error code to the dispatcher and returns false.
bool CheckValidFileSystemPath(const FilePath& path, int request_id);
// The sender to be used for sending out IPC messages.
IPC::Message::Sender* message_sender_;
// The handle of this process.
base::ProcessHandle process_handle_;
bool shutdown_;
scoped_refptr<FileSystemHostContext> context_;
// Used to look up permissions.
scoped_refptr<HostContentSettingsMap> host_content_settings_map_;
// Keeps ongoing file system operations.
typedef IDMap<fileapi::FileSystemOperation, IDMapOwnPointer> OperationsMap;
OperationsMap operations_;
DISALLOW_COPY_AND_ASSIGN(FileSystemDispatcherHost);
};
#endif // CHROME_BROWSER_FILE_SYSTEM_FILE_SYSTEM_DISPATCHER_HOST_H_
|
