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// 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_
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