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Unified 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, 9 months ago
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Index: chrome/browser/chromeos/customization_wallpaper_downloader.cc
diff --git a/chrome/browser/chromeos/customization_wallpaper_downloader.cc b/chrome/browser/chromeos/customization_wallpaper_downloader.cc
new file mode 100644
index 0000000000000000000000000000000000000000..90ae00c049e27502bce985aeb36adb8aaf3ad298
--- /dev/null
+++ b/chrome/browser/chromeos/customization_wallpaper_downloader.cc
@@ -0,0 +1,189 @@
+// Copyright 2014 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 "chrome/browser/chromeos/customization_wallpaper_downloader.h"
+
+#include "base/file_util.h"
+#include "chrome/browser/chromeos/customization_document.h"
+#include "content/public/browser/browser_thread.h"
+#include "net/base/load_flags.h"
+#include "net/url_request/url_request_context_getter.h"
+#include "url/gurl.h"
+
+namespace {
+// This is temporary file suffix (for downloading or resizing).
+const char kTemporarySuffix[] = ".temp";
+
+// Sleep between wallpaper retries (used multiplied by retry number).
+const unsigned kRetrySleepSeconds = 10;
+
+// Do not increase retry sleep beyond this number of attempts.
+const unsigned kRetriesInfinite = 30;
+}
+
+namespace chromeos {
+
+CustomizationWallpaperDownloader::CustomizationWallpaperDownloader(
+ net::URLRequestContextGetter* url_context_getter,
+ const GURL& wallpaper_url,
+ const base::FilePath& wallpaper_dir,
+ const base::FilePath& wallpaper_downloaded_file)
+ : url_context_getter_(url_context_getter),
+ wallpaper_url_(wallpaper_url),
+ wallpaper_dir_(wallpaper_dir),
+ wallpaper_downloaded_file_(wallpaper_downloaded_file),
+ wallpaper_temporary_file_(wallpaper_downloaded_file.value() +
+ kTemporarySuffix),
+ retries_(0),
+ weak_factory_(this) {
+ DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+}
+
+CustomizationWallpaperDownloader::~CustomizationWallpaperDownloader() {
+ DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+}
+
+void CustomizationWallpaperDownloader::StartRequest() {
+ DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+ DCHECK(wallpaper_url_.is_valid());
+ ++retries_;
+
+ url_fetcher_.reset(
+ net::URLFetcher::Create(wallpaper_url_, net::URLFetcher::GET, this));
+ url_fetcher_->SetRequestContext(url_context_getter_);
+ url_fetcher_->SetLoadFlags(net::LOAD_BYPASS_CACHE | net::LOAD_DISABLE_CACHE |
+ net::LOAD_DO_NOT_SAVE_COOKIES |
+ net::LOAD_DO_NOT_SEND_COOKIES |
+ net::LOAD_DO_NOT_SEND_AUTH_DATA);
+ base::SequencedWorkerPool* blocking_pool =
+ content::BrowserThread::GetBlockingPool();
+ url_fetcher_->SaveResponseToFileAtPath(
+ wallpaper_temporary_file_,
+ blocking_pool->GetSequencedTaskRunner(blocking_pool->GetSequenceToken()));
+ url_fetcher_->Start();
+}
+
+void CustomizationWallpaperDownloader::Retry() {
+ DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+ const unsigned delay_multiplier =
+ (retries_ > kRetriesInfinite ? kRetriesInfinite : retries_);
+ const base::TimeDelta delay =
+ base::TimeDelta::FromSeconds(kRetrySleepSeconds) * delay_multiplier;
+ VLOG(1) << "Schedule Customized Wallpaper download in " << delay.InSecondsF()
+ << " seconds.";
+ request_scheduled_.Start(
+ FROM_HERE, delay, this, &CustomizationWallpaperDownloader::StartRequest);
+}
+
+void CustomizationWallpaperDownloader::Start() {
+ DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+ scoped_ptr<bool> success(new bool(false));
+
+ base::Closure mkdir_closure =
+ base::Bind(&CustomizationWallpaperDownloader::CreateWallpaperDirectory,
+ wallpaper_dir_,
+ base::Unretained(success.get()));
+ base::Closure on_created_closure =
+ base::Bind(&CustomizationWallpaperDownloader::OnWallpaperDirectoryCreated,
+ weak_factory_.GetWeakPtr(),
+ base::Passed(success.Pass()));
+ if (!content::BrowserThread::PostBlockingPoolTaskAndReply(
+ FROM_HERE, mkdir_closure, on_created_closure)) {
+ LOG(WARNING) << "Failed to start Customized Wallpaper download.";
+ }
+}
+
+// static
+void CustomizationWallpaperDownloader::CreateWallpaperDirectory(
+ const base::FilePath& wallpaper_dir,
+ bool* success) {
+ DCHECK(content::BrowserThread::GetBlockingPool()->RunsTasksOnCurrentThread());
+ DCHECK(success);
+
+ *success = CreateDirectoryAndGetError(wallpaper_dir, NULL);
+}
+
+void CustomizationWallpaperDownloader::OnWallpaperDirectoryCreated(
+ scoped_ptr<bool> success) {
+ DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+ if (*success)
+ StartRequest();
+}
+
+void CustomizationWallpaperDownloader::OnURLFetchComplete(
+ const net::URLFetcher* source) {
+ DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+ DCHECK_EQ(url_fetcher_.get(), source);
+
+ const net::URLRequestStatus status = source->GetStatus();
+ const int response_code = source->GetResponseCode();
+
+ const bool server_error =
+ !status.is_success() || (response_code >= 500 && response_code < 600);
+
+ VLOG(1) << "CustomizationWallpaperDownloader::OnURLFetchComplete(): status="
+ << status.status();
+
+ if (server_error) {
+ url_fetcher_.reset();
+ Retry();
+ return;
+ }
+
+ base::FilePath response_path;
+ url_fetcher_->GetResponseAsFilePath(true, &response_path);
+ url_fetcher_.reset();
+
+ scoped_ptr<bool> success(new bool(false));
+
+ base::Closure rename_closure =
+ base::Bind(&CustomizationWallpaperDownloader::RenameTemporaryFile,
+ response_path,
+ wallpaper_downloaded_file_,
+ base::Unretained(success.get()));
+ base::Closure on_rename_closure =
+ base::Bind(&CustomizationWallpaperDownloader::OnTemporaryFileRenamed,
+ weak_factory_.GetWeakPtr(),
+ base::Passed(success.Pass()));
+ if (!content::BrowserThread::PostBlockingPoolTaskAndReply(
+ FROM_HERE, rename_closure, on_rename_closure)) {
+ LOG(WARNING)
+ << "Failed to start Customized Wallpaper Rename DownloadedFile.";
+ // Destroy self.
+ ServicesCustomizationDocument::GetInstance()->DestroyWallpaperDownloader();
+ }
+}
+
+void CustomizationWallpaperDownloader::OnTemporaryFileRenamed(
+ scoped_ptr<bool> success) {
+ DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+ if (!success) {
+ // Destroy self.
+ ServicesCustomizationDocument::GetInstance()->DestroyWallpaperDownloader();
+ return;
+ }
+ ServicesCustomizationDocument::OnCustomizedWallpaperDownloaded(
+ wallpaper_url_);
+}
+
+// static
+void CustomizationWallpaperDownloader::RenameTemporaryFile(
+ const base::FilePath& from,
+ const base::FilePath& to,
+ bool* success) {
+ DCHECK(content::BrowserThread::GetBlockingPool()->RunsTasksOnCurrentThread());
+ DCHECK(success);
+
+ base::File::Error error;
+ if (ReplaceFile(from, to, &error)) {
+ *success = true;
+ } else {
+ LOG(WARNING)
+ << "Failed to rename temporary file of Customized Wallpaper. error="
+ << error;
+ *success = false;
+ }
+}
+
+} // namespace chromeos
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