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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
|
// 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.
#include "webkit/fileapi/file_system_operation.h"
#include "base/time.h"
#include "googleurl/src/gurl.h"
#include "webkit/fileapi/file_system_callback_dispatcher.h"
namespace fileapi {
FileSystemOperation::FileSystemOperation(
FileSystemCallbackDispatcher* dispatcher,
scoped_refptr<base::MessageLoopProxy> proxy)
: proxy_(proxy),
dispatcher_(dispatcher),
callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
DCHECK(dispatcher);
#ifndef NDEBUG
operation_pending_ = false;
#endif
}
FileSystemOperation::~FileSystemOperation() {
}
void FileSystemOperation::CreateFile(const FilePath& path,
bool exclusive) {
#ifndef NDEBUG
DCHECK(!operation_pending_);
operation_pending_ = true;
#endif
base::FileUtilProxy::CreateOrOpen(
proxy_, path, base::PLATFORM_FILE_CREATE | base::PLATFORM_FILE_READ,
callback_factory_.NewCallback(
exclusive ? &FileSystemOperation::DidCreateFileExclusive
: &FileSystemOperation::DidCreateFileNonExclusive));
}
void FileSystemOperation::CreateDirectory(const FilePath& path,
bool exclusive,
bool recursive) {
#ifndef NDEBUG
DCHECK(!operation_pending_);
operation_pending_ = true;
#endif
base::FileUtilProxy::CreateDirectory(
proxy_, path, exclusive, recursive, callback_factory_.NewCallback(
&FileSystemOperation::DidFinishFileOperation));
}
void FileSystemOperation::Copy(const FilePath& src_path,
const FilePath& dest_path) {
#ifndef NDEBUG
DCHECK(!operation_pending_);
operation_pending_ = true;
#endif
base::FileUtilProxy::Copy(proxy_, src_path, dest_path,
callback_factory_.NewCallback(
&FileSystemOperation::DidFinishFileOperation));
}
void FileSystemOperation::Move(const FilePath& src_path,
const FilePath& dest_path) {
#ifndef NDEBUG
DCHECK(!operation_pending_);
operation_pending_ = true;
#endif
base::FileUtilProxy::Move(proxy_, src_path, dest_path,
callback_factory_.NewCallback(
&FileSystemOperation::DidFinishFileOperation));
}
void FileSystemOperation::DirectoryExists(const FilePath& path) {
#ifndef NDEBUG
DCHECK(!operation_pending_);
operation_pending_ = true;
#endif
base::FileUtilProxy::GetFileInfo(proxy_, path, callback_factory_.NewCallback(
&FileSystemOperation::DidDirectoryExists));
}
void FileSystemOperation::FileExists(const FilePath& path) {
#ifndef NDEBUG
DCHECK(!operation_pending_);
operation_pending_ = true;
#endif
base::FileUtilProxy::GetFileInfo(proxy_, path, callback_factory_.NewCallback(
&FileSystemOperation::DidFileExists));
}
void FileSystemOperation::GetMetadata(const FilePath& path) {
#ifndef NDEBUG
DCHECK(!operation_pending_);
operation_pending_ = true;
#endif
base::FileUtilProxy::GetFileInfo(proxy_, path, callback_factory_.NewCallback(
&FileSystemOperation::DidGetMetadata));
}
void FileSystemOperation::ReadDirectory(const FilePath& path) {
#ifndef NDEBUG
DCHECK(!operation_pending_);
operation_pending_ = true;
#endif
base::FileUtilProxy::ReadDirectory(proxy_, path,
callback_factory_.NewCallback(
&FileSystemOperation::DidReadDirectory));
}
void FileSystemOperation::Remove(const FilePath& path) {
#ifndef NDEBUG
DCHECK(!operation_pending_);
operation_pending_ = true;
#endif
base::FileUtilProxy::Delete(proxy_, path, callback_factory_.NewCallback(
&FileSystemOperation::DidFinishFileOperation));
}
void FileSystemOperation::Write(
const FilePath&,
const GURL&,
int64) {
#ifndef NDEBUG
DCHECK(!operation_pending_);
operation_pending_ = true;
#endif
NOTREACHED();
// TODO(ericu):
// Set up a loop that, via multiple callback invocations, reads from a
// URLRequest wrapping blob_url, writes the bytes to the file, reports
// progress events no more frequently than some set rate, and periodically
// checks to see if it's been cancelled.
}
void FileSystemOperation::Truncate(const FilePath& path, int64 length) {
#ifndef NDEBUG
DCHECK(!operation_pending_);
operation_pending_ = true;
#endif
// TODO(ericu):
NOTREACHED();
}
void FileSystemOperation::TouchFile(const FilePath& path,
const base::Time& last_access_time,
const base::Time& last_modified_time) {
#ifndef NDEBUG
DCHECK(!operation_pending_);
operation_pending_ = true;
#endif
base::FileUtilProxy::Touch(
proxy_, path, last_access_time, last_modified_time,
callback_factory_.NewCallback(&FileSystemOperation::DidTouchFile));
}
void FileSystemOperation::Cancel() {
#ifndef NDEBUG
DCHECK(operation_pending_);
#endif
NOTREACHED();
// TODO(ericu):
// Make sure this was done on a FileSystemOperation used for a Write.
// Then set a flag that ensures that the Write loop will exit without
// reporting any more progress, with a failure notification.
}
void FileSystemOperation::DidCreateFileExclusive(
base::PlatformFileError rv,
base::PassPlatformFile file,
bool created) {
DidFinishFileOperation(rv);
}
void FileSystemOperation::DidCreateFileNonExclusive(
base::PlatformFileError rv,
base::PassPlatformFile file,
bool created) {
// Suppress the already exists error and report success.
if (rv == base::PLATFORM_FILE_OK ||
rv == base::PLATFORM_FILE_ERROR_EXISTS)
dispatcher_->DidSucceed();
else
dispatcher_->DidFail(rv);
}
void FileSystemOperation::DidFinishFileOperation(
base::PlatformFileError rv) {
if (rv == base::PLATFORM_FILE_OK)
dispatcher_->DidSucceed();
else
dispatcher_->DidFail(rv);
}
void FileSystemOperation::DidDirectoryExists(
base::PlatformFileError rv,
const base::PlatformFileInfo& file_info) {
if (rv == base::PLATFORM_FILE_OK) {
if (file_info.is_directory)
dispatcher_->DidSucceed();
else
dispatcher_->DidFail(base::PLATFORM_FILE_ERROR_FAILED);
} else
dispatcher_->DidFail(rv);
}
void FileSystemOperation::DidFileExists(
base::PlatformFileError rv,
const base::PlatformFileInfo& file_info) {
if (rv == base::PLATFORM_FILE_OK) {
if (file_info.is_directory)
dispatcher_->DidFail(base::PLATFORM_FILE_ERROR_FAILED);
else
dispatcher_->DidSucceed();
} else
dispatcher_->DidFail(rv);
}
void FileSystemOperation::DidGetMetadata(
base::PlatformFileError rv,
const base::PlatformFileInfo& file_info) {
if (rv == base::PLATFORM_FILE_OK)
dispatcher_->DidReadMetadata(file_info);
else
dispatcher_->DidFail(rv);
}
void FileSystemOperation::DidReadDirectory(
base::PlatformFileError rv,
const std::vector<base::file_util_proxy::Entry>& entries) {
if (rv == base::PLATFORM_FILE_OK)
dispatcher_->DidReadDirectory(entries, false /* has_more */);
else
dispatcher_->DidFail(rv);
}
void FileSystemOperation::DidWrite(
base::PlatformFileError rv,
int64 bytes,
bool complete) {
if (rv == base::PLATFORM_FILE_OK)
/* dispatcher_->DidWrite(bytes, complete) TODO(ericu): Coming soon. */ {}
else
dispatcher_->DidFail(rv);
}
void FileSystemOperation::DidTouchFile(base::PlatformFileError rv) {
if (rv == base::PLATFORM_FILE_OK)
dispatcher_->DidSucceed();
else
dispatcher_->DidFail(rv);
}
} // namespace fileapi
|
