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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 #ifndef CHROME_BROWSER_CHROMEOS_CUSTOMIZATION_WALLPAPER_DOWNLOADER_H_ |
| 6 #define CHROME_BROWSER_CHROMEOS_CUSTOMIZATION_WALLPAPER_DOWNLOADER_H_ |
| 7 |
| 8 #include <string> |
| 9 |
| 10 #include "base/bind.h" |
| 11 #include "base/files/file_path.h" |
| 12 #include "base/macros.h" |
| 13 #include "base/memory/weak_ptr.h" |
| 14 #include "base/time/time.h" |
| 15 #include "base/timer/timer.h" |
| 16 #include "chrome/browser/chromeos/customization_document.h" |
| 17 #include "net/url_request/url_fetcher.h" |
| 18 #include "url/gurl.h" |
| 19 |
| 20 namespace chromeos { |
| 21 |
| 22 // Download customized wallpaper. |
| 23 // ServicesCustomizationDocument::OnCustomizedWallpaperDownloaded() in called on |
| 24 // success. |
| 25 class CustomizationWallpaperDownloader : public net::URLFetcherDelegate { |
| 26 public: |
| 27 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 |
| 33 virtual ~CustomizationWallpaperDownloader(); |
| 34 |
| 35 // Start download. |
| 36 void Start(); |
| 37 |
| 38 // net::URLFetcherDelegate |
| 39 virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE; |
| 40 |
| 41 private: |
| 42 // Start new request. |
| 43 void StartRequest(); |
| 44 |
| 45 // Schedules retry. |
| 46 void Retry(); |
| 47 |
| 48 // Create wallpaper cache directory and analyze result. |
| 49 // Called on BlockingPool. |
| 50 static void CreateWallpaperDirectory(const base::FilePath& wallpaper_dir, |
| 51 bool* success); |
| 52 // Called on UI thread. |
| 53 void OnWallpaperDirectoryCreated(scoped_ptr<bool> success); |
| 54 |
| 55 // Rename temporary file to wallpaper file and analyze result. |
| 56 // Called on BlockingPool. |
| 57 static void RenameTemporaryFile(const base::FilePath& from, |
| 58 const base::FilePath& to, |
| 59 bool* success); |
| 60 |
| 61 // Called on UI thread. |
| 62 void OnTemporaryFileRenamed(scoped_ptr<bool> success); |
| 63 |
| 64 scoped_refptr<net::URLRequestContextGetter> url_context_getter_; |
| 65 |
| 66 scoped_ptr<net::URLFetcher> url_fetcher_; |
| 67 |
| 68 const GURL wallpaper_url_; |
| 69 |
| 70 const base::FilePath wallpaper_dir_; |
| 71 |
| 72 const base::FilePath wallpaper_downloaded_file_; |
| 73 |
| 74 const base::FilePath wallpaper_temporary_file_; |
| 75 |
| 76 // Pending retry. |
| 77 base::OneShotTimer<CustomizationWallpaperDownloader> request_scheduled_; |
| 78 |
| 79 // Number of retry attempts. |
| 80 unsigned retries_; |
| 81 |
| 82 base::WeakPtrFactory<CustomizationWallpaperDownloader> weak_factory_; |
| 83 |
| 84 DISALLOW_COPY_AND_ASSIGN(CustomizationWallpaperDownloader); |
| 85 }; |
| 86 |
| 87 } // namespace chromeos |
| 88 |
| 89 #endif // CHROME_BROWSER_CHROMEOS_CUSTOMIZATION_WALLPAPER_DOWNLOADER_H_ |
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