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Side by Side Diff: chrome/browser/chromeos/customization_wallpaper_downloader.cc

Issue 208273005: If customization includes default wallpaper, download and apply it. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Update after-review. Created 6 years, 8 months ago
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1 // Copyright 2014 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/chromeos/customization_wallpaper_downloader.h"
6
7 #include "base/file_util.h"
8 #include "chrome/browser/chromeos/customization_document.h"
9 #include "content/public/browser/browser_thread.h"
10 #include "net/base/load_flags.h"
11 #include "net/url_request/url_request_context_getter.h"
12 #include "url/gurl.h"
13
14 namespace {
15 // This is temporary file suffix (for downloading or resizing).
16 const char kTemporarySuffix[] = ".temp";
17
18 // Sleep between wallpaper retries (used multiplied by retry number).
19 const unsigned kRetrySleepSeconds = 10;
20
21 // Do not increase retry sleep beyond this number of attempts.
22 const unsigned kRetriesInfinite = 30;
23 }
24
25 namespace chromeos {
26
27 CustomizationWallpaperDownloader::CustomizationWallpaperDownloader(
28 net::URLRequestContextGetter* url_context_getter,
29 const GURL& wallpaper_url,
30 const base::FilePath& wallpaper_dir,
31 const base::FilePath& wallpaper_downloaded_file)
32 : url_context_getter_(url_context_getter),
33 wallpaper_url_(wallpaper_url),
34 wallpaper_dir_(wallpaper_dir),
35 wallpaper_downloaded_file_(wallpaper_downloaded_file),
36 wallpaper_temporary_file_(wallpaper_downloaded_file.value() +
37 kTemporarySuffix),
38 retries_(0),
39 weak_factory_(this) {
40 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
41 }
42
43 CustomizationWallpaperDownloader::~CustomizationWallpaperDownloader() {
44 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
45 }
46
47 void CustomizationWallpaperDownloader::StartRequest() {
48 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
49 DCHECK(wallpaper_url_.is_valid());
50 ++retries_;
51
52 url_fetcher_.reset(
53 net::URLFetcher::Create(wallpaper_url_, net::URLFetcher::GET, this));
54 url_fetcher_->SetRequestContext(url_context_getter_);
55 url_fetcher_->SetLoadFlags(net::LOAD_BYPASS_CACHE | net::LOAD_DISABLE_CACHE |
56 net::LOAD_DO_NOT_SAVE_COOKIES |
57 net::LOAD_DO_NOT_SEND_COOKIES |
58 net::LOAD_DO_NOT_SEND_AUTH_DATA);
59 base::SequencedWorkerPool* blocking_pool =
60 content::BrowserThread::GetBlockingPool();
61 url_fetcher_->SaveResponseToFileAtPath(
62 wallpaper_temporary_file_,
63 blocking_pool->GetSequencedTaskRunner(blocking_pool->GetSequenceToken()));
64 url_fetcher_->Start();
65 }
66
67 void CustomizationWallpaperDownloader::Retry() {
68 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
69 const unsigned delay_multiplier =
70 (retries_ > kRetriesInfinite ? kRetriesInfinite : retries_);
71 const base::TimeDelta delay =
72 base::TimeDelta::FromSeconds(kRetrySleepSeconds) * delay_multiplier;
73 VLOG(1) << "Schedule Customized Wallpaper download in " << delay.InSecondsF()
74 << " seconds.";
75 request_scheduled_.Start(
76 FROM_HERE, delay, this, &CustomizationWallpaperDownloader::StartRequest);
77 }
78
79 void CustomizationWallpaperDownloader::Start() {
80 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
81 scoped_ptr<bool> success(new bool(false));
82
83 base::Closure mkdir_closure =
84 base::Bind(&CustomizationWallpaperDownloader::CreateWallpaperDirectory,
85 wallpaper_dir_,
86 base::Unretained(success.get()));
87 base::Closure on_created_closure =
88 base::Bind(&CustomizationWallpaperDownloader::OnWallpaperDirectoryCreated,
89 weak_factory_.GetWeakPtr(),
90 base::Passed(success.Pass()));
91 if (!content::BrowserThread::PostBlockingPoolTaskAndReply(
92 FROM_HERE, mkdir_closure, on_created_closure)) {
93 LOG(WARNING) << "Failed to start Customized Wallpaper download.";
94 }
95 }
96
97 // static
98 void CustomizationWallpaperDownloader::CreateWallpaperDirectory(
99 const base::FilePath& wallpaper_dir,
100 bool* success) {
101 DCHECK(content::BrowserThread::GetBlockingPool()->RunsTasksOnCurrentThread());
102 DCHECK(success);
103
104 *success = CreateDirectoryAndGetError(wallpaper_dir, NULL);
105 }
106
107 void CustomizationWallpaperDownloader::OnWallpaperDirectoryCreated(
108 scoped_ptr<bool> success) {
109 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
110 if (*success)
111 StartRequest();
112 }
113
114 void CustomizationWallpaperDownloader::OnURLFetchComplete(
115 const net::URLFetcher* source) {
116 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
117 DCHECK_EQ(url_fetcher_.get(), source);
118
119 const net::URLRequestStatus status = source->GetStatus();
120 const int response_code = source->GetResponseCode();
121
122 const bool server_error =
123 !status.is_success() || (response_code >= 500 && response_code < 600);
124
125 VLOG(1) << "CustomizationWallpaperDownloader::OnURLFetchComplete(): status="
126 << status.status();
127
128 if (server_error) {
129 url_fetcher_.reset();
130 Retry();
131 return;
132 }
133
134 base::FilePath response_path;
135 url_fetcher_->GetResponseAsFilePath(true, &response_path);
136 url_fetcher_.reset();
137
138 scoped_ptr<bool> success(new bool(false));
139
140 base::Closure rename_closure =
141 base::Bind(&CustomizationWallpaperDownloader::RenameTemporaryFile,
142 response_path,
143 wallpaper_downloaded_file_,
144 base::Unretained(success.get()));
145 base::Closure on_rename_closure =
146 base::Bind(&CustomizationWallpaperDownloader::OnTemporaryFileRenamed,
147 weak_factory_.GetWeakPtr(),
148 base::Passed(success.Pass()));
149 if (!content::BrowserThread::PostBlockingPoolTaskAndReply(
150 FROM_HERE, rename_closure, on_rename_closure)) {
151 LOG(WARNING)
152 << "Failed to start Customized Wallpaper Rename DownloadedFile.";
153 // Destroy self.
154 ServicesCustomizationDocument::GetInstance()->DestroyWallpaperDownloader();
155 }
156 }
157
158 void CustomizationWallpaperDownloader::OnTemporaryFileRenamed(
159 scoped_ptr<bool> success) {
160 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
161 if (!success) {
162 // Destroy self.
163 ServicesCustomizationDocument::GetInstance()->DestroyWallpaperDownloader();
164 return;
165 }
166 ServicesCustomizationDocument::OnCustomizedWallpaperDownloaded(
167 wallpaper_url_);
168 }
169
170 // static
171 void CustomizationWallpaperDownloader::RenameTemporaryFile(
172 const base::FilePath& from,
173 const base::FilePath& to,
174 bool* success) {
175 DCHECK(content::BrowserThread::GetBlockingPool()->RunsTasksOnCurrentThread());
176 DCHECK(success);
177
178 base::File::Error error;
179 if (ReplaceFile(from, to, &error)) {
180 *success = true;
181 } else {
182 LOG(WARNING)
183 << "Failed to rename temporary file of Customized Wallpaper. error="
184 << error;
185 *success = false;
186 }
187 }
188
189 } // namespace chromeos
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