1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "chrome/browser/upload_list.h"
6
7 #include <algorithm>
8 #include <iterator>
9
10 #include "base/bind.h"
11 #include "base/files/file_util.h"
12 #include "base/strings/string_number_conversions.h"
13 #include "base/strings/string_split.h"
14 #include "content/public/browser/browser_thread.h"
15
16 using content::BrowserThread;
17
UploadInfo(const std::string & id,const base::Time & t,const std::string & local_id)18 UploadList::UploadInfo::UploadInfo(const std::string& id,
19 const base::Time& t,
20 const std::string& local_id)
21 : id(id), time(t), local_id(local_id) {}
22
UploadInfo(const std::string & id,const base::Time & t)23 UploadList::UploadInfo::UploadInfo(const std::string& id, const base::Time& t)
24 : id(id), time(t) {}
25
~UploadInfo()26 UploadList::UploadInfo::~UploadInfo() {}
27
UploadList(Delegate * delegate,const base::FilePath & upload_log_path)28 UploadList::UploadList(Delegate* delegate,
29 const base::FilePath& upload_log_path)
30 : delegate_(delegate),
31 upload_log_path_(upload_log_path) {}
32
~UploadList()33 UploadList::~UploadList() {}
34
LoadUploadListAsynchronously()35 void UploadList::LoadUploadListAsynchronously() {
36 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
37 BrowserThread::PostBlockingPoolTask(
38 FROM_HERE,
39 base::Bind(&UploadList::LoadUploadListAndInformDelegateOfCompletion,
40 this));
41 }
42
ClearDelegate()43 void UploadList::ClearDelegate() {
44 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
45 delegate_ = NULL;
46 }
47
LoadUploadListAndInformDelegateOfCompletion()48 void UploadList::LoadUploadListAndInformDelegateOfCompletion() {
49 LoadUploadList();
50 BrowserThread::PostTask(
51 BrowserThread::UI,
52 FROM_HERE,
53 base::Bind(&UploadList::InformDelegateOfCompletion, this));
54 }
55
LoadUploadList()56 void UploadList::LoadUploadList() {
57 if (base::PathExists(upload_log_path_)) {
58 std::string contents;
59 base::ReadFileToString(upload_log_path_, &contents);
60 std::vector<std::string> log_entries;
61 base::SplitStringAlongWhitespace(contents, &log_entries);
62 ClearUploads();
63 ParseLogEntries(log_entries);
64 }
65 }
66
AppendUploadInfo(const UploadInfo & info)67 void UploadList::AppendUploadInfo(const UploadInfo& info) {
68 uploads_.push_back(info);
69 }
70
ClearUploads()71 void UploadList::ClearUploads() {
72 uploads_.clear();
73 }
74
ParseLogEntries(const std::vector<std::string> & log_entries)75 void UploadList::ParseLogEntries(
76 const std::vector<std::string>& log_entries) {
77 std::vector<std::string>::const_reverse_iterator i;
78 for (i = log_entries.rbegin(); i != log_entries.rend(); ++i) {
79 std::vector<std::string> components;
80 base::SplitString(*i, ',', &components);
81 // Skip any blank (or corrupted) lines.
82 if (components.size() != 2 && components.size() != 3)
83 continue;
84 base::Time upload_time;
85 double seconds_since_epoch;
86 if (!components[0].empty()) {
87 if (!base::StringToDouble(components[0], &seconds_since_epoch))
88 continue;
89 upload_time = base::Time::FromDoubleT(seconds_since_epoch);
90 }
91 UploadInfo info(components[1], upload_time);
92 if (components.size() == 3)
93 info.local_id = components[2];
94 uploads_.push_back(info);
95 }
96 }
97
InformDelegateOfCompletion()98 void UploadList::InformDelegateOfCompletion() {
99 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
100 if (delegate_)
101 delegate_->OnUploadListAvailable();
102 }
103
GetUploads(unsigned int max_count,std::vector<UploadInfo> * uploads)104 void UploadList::GetUploads(unsigned int max_count,
105 std::vector<UploadInfo>* uploads) {
106 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
107 std::copy(uploads_.begin(),
108 uploads_.begin() + std::min<size_t>(uploads_.size(), max_count),
109 std::back_inserter(*uploads));
110 }
111