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
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "GetFilesTask.h"
#include "HTMLSplitOnSpacesTokenizer.h"
#include "js/Value.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/FileSystemBase.h"
#include "mozilla/dom/FileSystemUtils.h"
#include "mozilla/dom/PFileSystemParams.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/dom/ipc/BlobChild.h"
#include "mozilla/dom/ipc/BlobParent.h"
#include "nsIFile.h"
#include "nsStringGlue.h"
namespace mozilla {
namespace dom {
/**
* GetFilesTaskChild
*/
/* static */ already_AddRefed<GetFilesTaskChild>
GetFilesTaskChild::Create(FileSystemBase* aFileSystem,
Directory* aDirectory,
nsIFile* aTargetPath,
bool aRecursiveFlag,
ErrorResult& aRv)
{
MOZ_ASSERT(aFileSystem);
MOZ_ASSERT(aDirectory);
aFileSystem->AssertIsOnOwningThread();
nsCOMPtr<nsIGlobalObject> globalObject =
do_QueryInterface(aFileSystem->GetParentObject());
if (NS_WARN_IF(!globalObject)) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
RefPtr<GetFilesTaskChild> task =
new GetFilesTaskChild(aFileSystem, aDirectory, aTargetPath,
aRecursiveFlag);
// aTargetPath can be null. In this case SetError will be called.
task->mPromise = Promise::Create(globalObject, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
return task.forget();
}
GetFilesTaskChild::GetFilesTaskChild(FileSystemBase* aFileSystem,
Directory* aDirectory,
nsIFile* aTargetPath,
bool aRecursiveFlag)
: FileSystemTaskChildBase(aFileSystem)
, mDirectory(aDirectory)
, mTargetPath(aTargetPath)
, mRecursiveFlag(aRecursiveFlag)
{
MOZ_ASSERT(aFileSystem);
MOZ_ASSERT(aDirectory);
aFileSystem->AssertIsOnOwningThread();
}
GetFilesTaskChild::~GetFilesTaskChild()
{
mFileSystem->AssertIsOnOwningThread();
}
already_AddRefed<Promise>
GetFilesTaskChild::GetPromise()
{
mFileSystem->AssertIsOnOwningThread();
return RefPtr<Promise>(mPromise).forget();
}
FileSystemParams
GetFilesTaskChild::GetRequestParams(const nsString& aSerializedDOMPath,
ErrorResult& aRv) const
{
mFileSystem->AssertIsOnOwningThread();
nsAutoString path;
aRv = mTargetPath->GetPath(path);
if (NS_WARN_IF(aRv.Failed())) {
return FileSystemGetFilesParams();
}
nsAutoString domPath;
mDirectory->GetPath(domPath, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return FileSystemGetFilesParams();
}
return FileSystemGetFilesParams(aSerializedDOMPath, path, domPath,
mRecursiveFlag);
}
void
GetFilesTaskChild::SetSuccessRequestResult(const FileSystemResponseValue& aValue,
ErrorResult& aRv)
{
mFileSystem->AssertIsOnOwningThread();
MOZ_ASSERT(aValue.type() ==
FileSystemResponseValue::TFileSystemFilesResponse);
FileSystemFilesResponse r = aValue;
if (!mTargetData.SetLength(r.data().Length(), mozilla::fallible_t())) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
return;
}
for (uint32_t i = 0; i < r.data().Length(); ++i) {
const FileSystemFileResponse& data = r.data()[i];
RefPtr<BlobImpl> blobImpl =
static_cast<BlobChild*>(data.blobChild())->GetBlobImpl();
MOZ_ASSERT(blobImpl);
mTargetData[i] = File::Create(mFileSystem->GetParentObject(), blobImpl);
}
}
void
GetFilesTaskChild::HandlerCallback()
{
mFileSystem->AssertIsOnOwningThread();
if (mFileSystem->IsShutdown()) {
mPromise = nullptr;
return;
}
if (HasError()) {
mPromise->MaybeReject(NS_ERROR_DOM_INVALID_STATE_ERR);
mPromise = nullptr;
return;
}
mPromise->MaybeResolve(mTargetData);
mPromise = nullptr;
}
/**
* GetFilesTaskParent
*/
/* static */ already_AddRefed<GetFilesTaskParent>
GetFilesTaskParent::Create(FileSystemBase* aFileSystem,
const FileSystemGetFilesParams& aParam,
FileSystemRequestParent* aParent,
ErrorResult& aRv)
{
MOZ_ASSERT(XRE_IsParentProcess(), "Only call from parent process!");
AssertIsOnBackgroundThread();
MOZ_ASSERT(aFileSystem);
RefPtr<GetFilesTaskParent> task =
new GetFilesTaskParent(aFileSystem, aParam, aParent);
aRv = NS_NewLocalFile(aParam.realPath(), true,
getter_AddRefs(task->mTargetPath));
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
return task.forget();
}
GetFilesTaskParent::GetFilesTaskParent(FileSystemBase* aFileSystem,
const FileSystemGetFilesParams& aParam,
FileSystemRequestParent* aParent)
: FileSystemTaskParentBase(aFileSystem, aParam, aParent)
, GetFilesHelperBase(aParam.recursiveFlag())
, mDirectoryDOMPath(aParam.domPath())
{
MOZ_ASSERT(XRE_IsParentProcess(), "Only call from parent process!");
AssertIsOnBackgroundThread();
MOZ_ASSERT(aFileSystem);
}
FileSystemResponseValue
GetFilesTaskParent::GetSuccessRequestResult(ErrorResult& aRv) const
{
AssertIsOnBackgroundThread();
InfallibleTArray<PBlobParent*> blobs;
FallibleTArray<FileSystemFileResponse> inputs;
if (!inputs.SetLength(mTargetBlobImplArray.Length(), mozilla::fallible_t())) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
FileSystemFilesResponse response;
return response;
}
for (unsigned i = 0; i < mTargetBlobImplArray.Length(); i++) {
BlobParent* blobParent =
BlobParent::GetOrCreate(mRequestParent->Manager(),
mTargetBlobImplArray[i]);
inputs[i] = FileSystemFileResponse(blobParent, nullptr);
}
FileSystemFilesResponse response;
response.data().SwapElements(inputs);
return response;
}
nsresult
GetFilesTaskParent::IOWork()
{
MOZ_ASSERT(XRE_IsParentProcess(),
"Only call from parent process!");
MOZ_ASSERT(!NS_IsMainThread(), "Only call on I/O thread!");
if (mFileSystem->IsShutdown()) {
return NS_ERROR_FAILURE;
}
bool exists;
nsresult rv = mTargetPath->Exists(&exists);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (!exists) {
return NS_OK;
}
bool isDir;
rv = mTargetPath->IsDirectory(&isDir);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (!isDir) {
return NS_ERROR_DOM_FILESYSTEM_TYPE_MISMATCH_ERR;
}
// Get isDirectory.
rv = ExploreDirectory(mDirectoryDOMPath, mTargetPath);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
nsresult
GetFilesTaskParent::GetTargetPath(nsAString& aPath) const
{
return mTargetPath->GetPath(aPath);
}
} // namespace dom
} // namespace mozilla
|
