chrome/browser/profiles/profile_avatar_downloader.cc

   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 #include "chrome/browser/profiles/profile_avatar_downloader.h"
   6
   7 #include "base/files/file_path.h"
   8 #include "chrome/browser/browser_process.h"
   9 #include "chrome/browser/profiles/profile.h"
  10 #include "chrome/browser/profiles/profile_avatar_icon_util.h"
  11 #include "chrome/browser/profiles/profile_info_cache.h"
  12 #include "net/base/load_flags.h"
  13
  14 namespace {
  15 const char kHighResAvatarDownloadUrlPrefix[] =
  16     "https://www.gstatic.com/chrome/profile_avatars/";
  17 }
  18
  19 ProfileAvatarDownloader::ProfileAvatarDownloader(
  20     size_t icon_index,
  21     const base::FilePath& profile_path,
  22     ProfileInfoCache* cache)
  23     : icon_index_(icon_index),
  24       profile_path_(profile_path),
  25       cache_(cache) {
  26   GURL url(std::string(kHighResAvatarDownloadUrlPrefix) +
  27            profiles::GetDefaultAvatarIconFileNameAtIndex(icon_index));
  28   fetcher_.reset(new chrome::BitmapFetcher(url, this));
  29 }
  30
  31 ProfileAvatarDownloader::~ProfileAvatarDownloader() {
  32 }
  33
  34 void ProfileAvatarDownloader::Start() {
  35   // In unit tests, the browser process can return a NULL request context.
  36   net::URLRequestContextGetter* request_context =
  37       g_browser_process->system_request_context();
  38   if (request_context) {
  39     fetcher_->Init(
  40         request_context,
  41         std::string(),
  42         net::URLRequest::CLEAR_REFERRER_ON_TRANSITION_FROM_SECURE_TO_INSECURE,
  43         net::LOAD_NORMAL);
  44     fetcher_->Start();
  45   }
  46 }
  47
  48 // BitmapFetcherDelegate overrides.
  49 void ProfileAvatarDownloader::OnFetchComplete(const GURL& url,
  50                                               const SkBitmap* bitmap) {
  51   if (!bitmap || !cache_)
  52     return;
  53
  54   // Decode the downloaded bitmap. Ownership of the image is taken by |cache_|.
  55   gfx::Image image = gfx::Image::CreateFrom1xBitmap(*bitmap);
  56   cache_->SaveAvatarImageAtPath(&image,
  57       profiles::GetDefaultAvatarIconFileNameAtIndex(icon_index_),
  58       profiles::GetPathOfHighResAvatarAtIndex(icon_index_),
  59       profile_path_);
  60 }