Make ProfileImageDownloader available to non-chromeos code

chrome/browser/profiles/profile_downloader.h

+// Copyright (c) 2011 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.
+
+#ifndef CHROME_BROWSER_PROFILES_PROFILE_DOWNLOADER_H_
+#define CHROME_BROWSER_PROFILES_PROFILE_DOWNLOADER_H_
+#pragma once
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/string16.h"
+#include "chrome/browser/image_decoder.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
+#include "content/public/common/url_fetcher_delegate.h"
+#include "googleurl/src/gurl.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+
+class ProfileDownloaderDelegate;
+
+// Downloads user profile information. The profile picture is decoded in a
+// sandboxed process.
+class ProfileDownloader : public content::URLFetcherDelegate,
+                          public ImageDecoder::Delegate,
+                          public content::NotificationObserver {
+ public:
+  explicit ProfileDownloader(ProfileDownloaderDelegate* delegate);
+  virtual ~ProfileDownloader();
+
+  // Starts downloading profile information if the necessary authorization token
+  // is ready. If not, subscribes to token service and starts fetching if the
+  // token is available. Should not be called more than once.
+  void Start();
+
+  // On successful download this returns the full name of the user. For example
+  // "Pat Smith".
+  const string16& GetProfileFullName() const;
+
+  // On successful download this returns the profile picture of the user.
+  // For users with no profile picture set (that is, they have the default
+  // profile picture) this will return an Null bitmap.
+  const SkBitmap& GetProfilePicture() const;
+
+ private:
+  // Overriden from content::URLFetcherDelegate:
+  virtual void OnURLFetchComplete(const content::URLFetcher* source) OVERRIDE;
+
+  // Overriden from ImageDecoder::Delegate:
+  virtual void OnImageDecoded(const ImageDecoder* decoder,
+                              const SkBitmap& decoded_image) OVERRIDE;
+  virtual void OnDecodeImageFailed(const ImageDecoder* decoder) OVERRIDE;
+
+  // Overriden from content::NotificationObserver:
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
+  // Parses the entry response from Picasa and gets the nick name and
+  // and profile image URL. Returns false to indicate a parsing error.
+  bool GetProfileNickNameAndImageURL(const std::string& data,
+                                     string16* nick_name,
+                                     std::string* url) const;
+
+  // Returns true if the image url is url of the default profile picture.
+  bool IsDefaultProfileImageURL(const std::string& url) const;
+
+  // Issues the first request to get user profile image.
+  void StartFetchingImage();
+
+  ProfileDownloaderDelegate* delegate_;
+  std::string auth_token_;
+  scoped_ptr<content::URLFetcher> user_entry_fetcher_;
+  scoped_ptr<content::URLFetcher> profile_image_fetcher_;
+  content::NotificationRegistrar registrar_;
+  string16 profile_full_name_;
+  SkBitmap profile_picture_;
+
+  DISALLOW_COPY_AND_ASSIGN(ProfileDownloader);
+};
+
+#endif  // CHROME_BROWSER_PROFILES_PROFILE_DOWNLOADER_H_