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
|
// Copyright (c) 2012 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 "content/browser/download/drag_download_util.h"
#include <string>
#include "base/bind.h"
#include "base/file_util.h"
#include "base/files/file_path.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/thread_restrictions.h"
#include "content/public/browser/browser_thread.h"
#include "net/base/file_stream.h"
#include "net/base/net_errors.h"
#include "url/gurl.h"
using net::FileStream;
namespace content {
bool ParseDownloadMetadata(const base::string16& metadata,
base::string16* mime_type,
base::FilePath* file_name,
GURL* url) {
const char16 separator = L':';
size_t mime_type_end_pos = metadata.find(separator);
if (mime_type_end_pos == base::string16::npos)
return false;
size_t file_name_end_pos = metadata.find(separator, mime_type_end_pos + 1);
if (file_name_end_pos == base::string16::npos)
return false;
GURL parsed_url = GURL(metadata.substr(file_name_end_pos + 1));
if (!parsed_url.is_valid())
return false;
if (mime_type)
*mime_type = metadata.substr(0, mime_type_end_pos);
if (file_name) {
base::string16 file_name_str = metadata.substr(
mime_type_end_pos + 1, file_name_end_pos - mime_type_end_pos - 1);
#if defined(OS_WIN)
*file_name = base::FilePath(file_name_str);
#else
*file_name = base::FilePath(UTF16ToUTF8(file_name_str));
#endif
}
if (url)
*url = parsed_url;
return true;
}
FileStream* CreateFileStreamForDrop(base::FilePath* file_path,
net::NetLog* net_log) {
DCHECK(file_path && !file_path->empty());
scoped_ptr<FileStream> file_stream(new FileStream(net_log));
const int kMaxSeq = 99;
for (int seq = 0; seq <= kMaxSeq; seq++) {
base::FilePath new_file_path;
if (seq == 0) {
new_file_path = *file_path;
} else {
#if defined(OS_WIN)
base::string16 suffix = ASCIIToUTF16("-") + base::IntToString16(seq);
#else
std::string suffix = std::string("-") + base::IntToString(seq);
#endif
new_file_path = file_path->InsertBeforeExtension(suffix);
}
// http://crbug.com/110709
base::ThreadRestrictions::ScopedAllowIO allow_io;
// Explicitly (and redundantly check) for file -- despite the fact that our
// open won't overwrite -- just to avoid log spew.
if (!base::PathExists(new_file_path) &&
file_stream->OpenSync(new_file_path, base::PLATFORM_FILE_CREATE |
base::PLATFORM_FILE_WRITE) == net::OK) {
*file_path = new_file_path;
return file_stream.release();
}
}
return NULL;
}
PromiseFileFinalizer::PromiseFileFinalizer(
DragDownloadFile* drag_file_downloader)
: drag_file_downloader_(drag_file_downloader) {
}
void PromiseFileFinalizer::OnDownloadCompleted(
const base::FilePath& file_path) {
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&PromiseFileFinalizer::Cleanup, this));
}
void PromiseFileFinalizer::OnDownloadAborted() {
BrowserThread::PostTask(
BrowserThread::UI, FROM_HERE,
base::Bind(&PromiseFileFinalizer::Cleanup, this));
}
PromiseFileFinalizer::~PromiseFileFinalizer() {}
void PromiseFileFinalizer::Cleanup() {
if (drag_file_downloader_.get())
drag_file_downloader_ = NULL;
}
} // namespace content
|
