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Side by Side Diff: storage/browser/fileapi/recursive_operation_delegate.cc

Issue 442383002: Move storage-related files from webkit/ to new top-level directory storage/ (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: . Created 6 years, 4 months ago
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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "webkit/browser/fileapi/recursive_operation_delegate.h" 5 #include "storage/browser/fileapi/recursive_operation_delegate.h"
6 6
7 #include "base/bind.h" 7 #include "base/bind.h"
8 #include "webkit/browser/fileapi/file_system_context.h" 8 #include "storage/browser/fileapi/file_system_context.h"
9 #include "webkit/browser/fileapi/file_system_operation_runner.h" 9 #include "storage/browser/fileapi/file_system_operation_runner.h"
10 10
11 namespace fileapi { 11 namespace storage {
12 12
13 namespace { 13 namespace {
14 // Don't start too many inflight operations. 14 // Don't start too many inflight operations.
15 const int kMaxInflightOperations = 5; 15 const int kMaxInflightOperations = 5;
16 } 16 }
17 17
18 RecursiveOperationDelegate::RecursiveOperationDelegate( 18 RecursiveOperationDelegate::RecursiveOperationDelegate(
19 FileSystemContext* file_system_context) 19 FileSystemContext* file_system_context)
20 : file_system_context_(file_system_context), 20 : file_system_context_(file_system_context),
21 inflight_operations_(0), 21 inflight_operations_(0),
(...skipping 12 matching lines...) Expand all
34 const FileSystemURL& root, 34 const FileSystemURL& root,
35 const StatusCallback& callback) { 35 const StatusCallback& callback) {
36 DCHECK(pending_directory_stack_.empty()); 36 DCHECK(pending_directory_stack_.empty());
37 DCHECK(pending_files_.empty()); 37 DCHECK(pending_files_.empty());
38 DCHECK_EQ(0, inflight_operations_); 38 DCHECK_EQ(0, inflight_operations_);
39 39
40 callback_ = callback; 40 callback_ = callback;
41 ++inflight_operations_; 41 ++inflight_operations_;
42 ProcessFile( 42 ProcessFile(
43 root, 43 root,
44 base::Bind(&RecursiveOperationDelegate::DidTryProcessFile, 44 base::Bind(
45 AsWeakPtr(), root)); 45 &RecursiveOperationDelegate::DidTryProcessFile, AsWeakPtr(), root));
46 } 46 }
47 47
48 FileSystemOperationRunner* RecursiveOperationDelegate::operation_runner() { 48 FileSystemOperationRunner* RecursiveOperationDelegate::operation_runner() {
49 return file_system_context_->operation_runner(); 49 return file_system_context_->operation_runner();
50 } 50 }
51 51
52 void RecursiveOperationDelegate::OnCancel() { 52 void RecursiveOperationDelegate::OnCancel() {
53 } 53 }
54 54
55 void RecursiveOperationDelegate::DidTryProcessFile( 55 void RecursiveOperationDelegate::DidTryProcessFile(const FileSystemURL& root,
56 const FileSystemURL& root, 56 base::File::Error error) {
57 base::File::Error error) {
58 DCHECK(pending_directory_stack_.empty()); 57 DCHECK(pending_directory_stack_.empty());
59 DCHECK(pending_files_.empty()); 58 DCHECK(pending_files_.empty());
60 DCHECK_EQ(1, inflight_operations_); 59 DCHECK_EQ(1, inflight_operations_);
61 60
62 --inflight_operations_; 61 --inflight_operations_;
63 if (canceled_ || error != base::File::FILE_ERROR_NOT_A_FILE) { 62 if (canceled_ || error != base::File::FILE_ERROR_NOT_A_FILE) {
64 Done(error); 63 Done(error);
65 return; 64 return;
66 } 65 }
67 66
68 pending_directory_stack_.push(std::queue<FileSystemURL>()); 67 pending_directory_stack_.push(std::queue<FileSystemURL>());
69 pending_directory_stack_.top().push(root); 68 pending_directory_stack_.top().push(root);
70 ProcessNextDirectory(); 69 ProcessNextDirectory();
71 } 70 }
72 71
73 void RecursiveOperationDelegate::ProcessNextDirectory() { 72 void RecursiveOperationDelegate::ProcessNextDirectory() {
74 DCHECK(pending_files_.empty()); 73 DCHECK(pending_files_.empty());
75 DCHECK(!pending_directory_stack_.empty()); 74 DCHECK(!pending_directory_stack_.empty());
76 DCHECK(!pending_directory_stack_.top().empty()); 75 DCHECK(!pending_directory_stack_.top().empty());
77 DCHECK_EQ(0, inflight_operations_); 76 DCHECK_EQ(0, inflight_operations_);
78 77
79 const FileSystemURL& url = pending_directory_stack_.top().front(); 78 const FileSystemURL& url = pending_directory_stack_.top().front();
80 79
81 ++inflight_operations_; 80 ++inflight_operations_;
82 ProcessDirectory( 81 ProcessDirectory(url,
83 url, 82 base::Bind(&RecursiveOperationDelegate::DidProcessDirectory,
84 base::Bind( 83 AsWeakPtr()));
85 &RecursiveOperationDelegate::DidProcessDirectory, AsWeakPtr()));
86 } 84 }
87 85
88 void RecursiveOperationDelegate::DidProcessDirectory( 86 void RecursiveOperationDelegate::DidProcessDirectory(base::File::Error error) {
89 base::File::Error error) {
90 DCHECK(pending_files_.empty()); 87 DCHECK(pending_files_.empty());
91 DCHECK(!pending_directory_stack_.empty()); 88 DCHECK(!pending_directory_stack_.empty());
92 DCHECK(!pending_directory_stack_.top().empty()); 89 DCHECK(!pending_directory_stack_.top().empty());
93 DCHECK_EQ(1, inflight_operations_); 90 DCHECK_EQ(1, inflight_operations_);
94 91
95 --inflight_operations_; 92 --inflight_operations_;
96 if (canceled_ || error != base::File::FILE_OK) { 93 if (canceled_ || error != base::File::FILE_OK) {
97 Done(error); 94 Done(error);
98 return; 95 return;
99 } 96 }
100 97
101 const FileSystemURL& parent = pending_directory_stack_.top().front(); 98 const FileSystemURL& parent = pending_directory_stack_.top().front();
102 pending_directory_stack_.push(std::queue<FileSystemURL>()); 99 pending_directory_stack_.push(std::queue<FileSystemURL>());
103 operation_runner()->ReadDirectory( 100 operation_runner()->ReadDirectory(
104 parent, 101 parent,
105 base::Bind(&RecursiveOperationDelegate::DidReadDirectory, 102 base::Bind(
106 AsWeakPtr(), parent)); 103 &RecursiveOperationDelegate::DidReadDirectory, AsWeakPtr(), parent));
107 } 104 }
108 105
109 void RecursiveOperationDelegate::DidReadDirectory( 106 void RecursiveOperationDelegate::DidReadDirectory(const FileSystemURL& parent,
110 const FileSystemURL& parent, 107 base::File::Error error,
111 base::File::Error error, 108 const FileEntryList& entries,
112 const FileEntryList& entries, 109 bool has_more) {
113 bool has_more) {
114 DCHECK(!pending_directory_stack_.empty()); 110 DCHECK(!pending_directory_stack_.empty());
115 DCHECK_EQ(0, inflight_operations_); 111 DCHECK_EQ(0, inflight_operations_);
116 112
117 if (canceled_ || error != base::File::FILE_OK) { 113 if (canceled_ || error != base::File::FILE_OK) {
118 Done(error); 114 Done(error);
119 return; 115 return;
120 } 116 }
121 117
122 for (size_t i = 0; i < entries.size(); i++) { 118 for (size_t i = 0; i < entries.size(); i++) {
123 FileSystemURL url = file_system_context_->CreateCrackedFileSystemURL( 119 FileSystemURL url = file_system_context_->CreateCrackedFileSystemURL(
(...skipping 27 matching lines...) Expand all
151 147
152 // Run ProcessFile in parallel (upto kMaxInflightOperations). 148 // Run ProcessFile in parallel (upto kMaxInflightOperations).
153 scoped_refptr<base::MessageLoopProxy> current_message_loop = 149 scoped_refptr<base::MessageLoopProxy> current_message_loop =
154 base::MessageLoopProxy::current(); 150 base::MessageLoopProxy::current();
155 while (!pending_files_.empty() && 151 while (!pending_files_.empty() &&
156 inflight_operations_ < kMaxInflightOperations) { 152 inflight_operations_ < kMaxInflightOperations) {
157 ++inflight_operations_; 153 ++inflight_operations_;
158 current_message_loop->PostTask( 154 current_message_loop->PostTask(
159 FROM_HERE, 155 FROM_HERE,
160 base::Bind(&RecursiveOperationDelegate::ProcessFile, 156 base::Bind(&RecursiveOperationDelegate::ProcessFile,
161 AsWeakPtr(), pending_files_.front(), 157 AsWeakPtr(),
158 pending_files_.front(),
162 base::Bind(&RecursiveOperationDelegate::DidProcessFile, 159 base::Bind(&RecursiveOperationDelegate::DidProcessFile,
163 AsWeakPtr()))); 160 AsWeakPtr())));
164 pending_files_.pop(); 161 pending_files_.pop();
165 } 162 }
166 } 163 }
167 164
168 void RecursiveOperationDelegate::DidProcessFile( 165 void RecursiveOperationDelegate::DidProcessFile(base::File::Error error) {
169 base::File::Error error) {
170 --inflight_operations_; 166 --inflight_operations_;
171 if (error != base::File::FILE_OK) { 167 if (error != base::File::FILE_OK) {
172 // If an error occurs, invoke Done immediately (even if there remain 168 // If an error occurs, invoke Done immediately (even if there remain
173 // running operations). It is because in the callback, this instance is 169 // running operations). It is because in the callback, this instance is
174 // deleted. 170 // deleted.
175 Done(error); 171 Done(error);
176 return; 172 return;
177 } 173 }
178 174
179 ProcessPendingFiles(); 175 ProcessPendingFiles();
(...skipping 49 matching lines...) Expand 10 before | Expand all | Expand 10 after
229 } 225 }
230 226
231 void RecursiveOperationDelegate::Done(base::File::Error error) { 227 void RecursiveOperationDelegate::Done(base::File::Error error) {
232 if (canceled_ && error == base::File::FILE_OK) { 228 if (canceled_ && error == base::File::FILE_OK) {
233 callback_.Run(base::File::FILE_ERROR_ABORT); 229 callback_.Run(base::File::FILE_ERROR_ABORT);
234 } else { 230 } else {
235 callback_.Run(error); 231 callback_.Run(error);
236 } 232 }
237 } 233 }
238 234
239 } // namespace fileapi 235 } // namespace storage
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