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
|
// 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/save_file_resource_handler.h"
#include "base/bind.h"
#include "base/logging.h"
#include "base/message_loop/message_loop.h"
#include "base/strings/string_number_conversions.h"
#include "content/browser/download/save_file_manager.h"
#include "content/public/browser/browser_thread.h"
#include "net/base/io_buffer.h"
#include "net/url_request/redirect_info.h"
#include "net/url_request/url_request_status.h"
namespace content {
SaveFileResourceHandler::SaveFileResourceHandler(net::URLRequest* request,
SaveItemId save_item_id,
SavePackageId save_package_id,
int render_process_host_id,
int render_frame_routing_id,
const GURL& url,
SaveFileManager* manager)
: ResourceHandler(request),
save_item_id_(save_item_id),
save_package_id_(save_package_id),
render_process_id_(render_process_host_id),
render_frame_routing_id_(render_frame_routing_id),
url_(url),
content_length_(0),
save_manager_(manager) {}
SaveFileResourceHandler::~SaveFileResourceHandler() {
}
bool SaveFileResourceHandler::OnRequestRedirected(
const net::RedirectInfo& redirect_info,
ResourceResponse* response,
bool* defer) {
final_url_ = redirect_info.new_url;
return true;
}
bool SaveFileResourceHandler::OnResponseStarted(ResourceResponse* response,
bool* defer) {
// |save_manager_| consumes (deletes):
SaveFileCreateInfo* info = new SaveFileCreateInfo(
url_, final_url_, save_item_id_, save_package_id_, render_process_id_,
render_frame_routing_id_, GetRequestID(), content_disposition_,
content_length_);
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
base::Bind(&SaveFileManager::StartSave, save_manager_, info));
return true;
}
bool SaveFileResourceHandler::OnWillStart(const GURL& url, bool* defer) {
return true;
}
bool SaveFileResourceHandler::OnBeforeNetworkStart(const GURL& url,
bool* defer) {
return true;
}
bool SaveFileResourceHandler::OnWillRead(scoped_refptr<net::IOBuffer>* buf,
int* buf_size,
int min_size) {
DCHECK(buf && buf_size);
if (!read_buffer_.get()) {
*buf_size = min_size < 0 ? kReadBufSize : min_size;
read_buffer_ = new net::IOBuffer(*buf_size);
}
*buf = read_buffer_.get();
return true;
}
bool SaveFileResourceHandler::OnReadCompleted(int bytes_read, bool* defer) {
DCHECK(read_buffer_.get());
// We are passing ownership of this buffer to the save file manager.
scoped_refptr<net::IOBuffer> buffer;
read_buffer_.swap(buffer);
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
base::Bind(&SaveFileManager::UpdateSaveProgress, save_manager_,
save_item_id_, buffer, bytes_read));
return true;
}
void SaveFileResourceHandler::OnResponseCompleted(
const net::URLRequestStatus& status,
const std::string& security_info,
bool* defer) {
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
base::Bind(&SaveFileManager::SaveFinished, save_manager_, save_item_id_,
save_package_id_,
status.is_success() && !status.is_io_pending()));
read_buffer_ = NULL;
}
void SaveFileResourceHandler::OnDataDownloaded(int bytes_downloaded) {
NOTREACHED();
}
void SaveFileResourceHandler::set_content_length(
const std::string& content_length) {
base::StringToInt64(content_length, &content_length_);
}
} // namespace content
|
