1 // Copyright (c) 2012 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_PROFILES_PROFILE_DOWNLOADER_DELEGATE_H_ 6 #define CHROME_BROWSER_PROFILES_PROFILE_DOWNLOADER_DELEGATE_H_ 7 8 #include <string> 9 10 #include "base/basictypes.h" 11 #include "base/strings/string16.h" 12 13 class Profile; 14 class ProfileDownloader; 15 16 // Reports on success or failure of Profile download. It is OK to delete the 17 // |ProfileImageDownloader| instance in any of these handlers. 18 class ProfileDownloaderDelegate { 19 public: 20 // Error codes passed to OnProfileDownloadFailure. 21 enum FailureReason { 22 TOKEN_ERROR, // Cannot fetch OAuth2 token. 23 NETWORK_ERROR, // Network failure while downloading profile. 24 SERVICE_ERROR, // Service returned an error or malformed reply. 25 IMAGE_DECODE_FAILED // Cannot decode fetched image. 26 }; 27 ~ProfileDownloaderDelegate()28 virtual ~ProfileDownloaderDelegate() {} 29 30 // Whether the delegate need profile picture to be downloaded. 31 virtual bool NeedsProfilePicture() const = 0; 32 33 // Returns the desired side length of the profile image. If 0, returns image 34 // of the originally uploaded size. 35 virtual int GetDesiredImageSideLength() const = 0; 36 37 // Returns the cached URL. If the cache URL matches the new image URL 38 // the image will not be downloaded. Return an empty string when there is no 39 // cached URL. 40 virtual std::string GetCachedPictureURL() const = 0; 41 42 // Returns the browser profile associated with this download request. 43 virtual Profile* GetBrowserProfile() = 0; 44 45 // Called when the profile download has completed successfully. Delegate can 46 // query the downloader for the picture and full name. 47 virtual void OnProfileDownloadSuccess(ProfileDownloader* downloader) = 0; 48 49 // Called when the profile download has failed. 50 virtual void OnProfileDownloadFailure( 51 ProfileDownloader* downloader, 52 ProfileDownloaderDelegate::FailureReason reason) = 0; 53 }; 54 55 #endif // CHROME_BROWSER_PROFILES_PROFILE_DOWNLOADER_DELEGATE_H_ 56