Options2: Pull the trigger.

chrome/browser/ui/webui/options2/chromeos/user_image_source.cc

+// 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.
+
+#include "chrome/browser/ui/webui/options2/chromeos/user_image_source.h"
+
+#include "base/memory/ref_counted_memory.h"
+#include "chrome/browser/chromeos/login/user_manager.h"
+#include "chrome/common/url_constants.h"
+#include "grit/theme_resources.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/gfx/codec/png_codec.h"
+
+namespace chromeos {
+
+std::vector<unsigned char> UserImageSource::GetUserImage(
+    const std::string& email) const {
+  std::vector<unsigned char> user_image;
+  const chromeos::User* user = chromeos::UserManager::Get()->FindUser(email);
+  if (user) {
+    gfx::PNGCodec::EncodeBGRASkBitmap(user->image(), false, &user_image);
+    return user_image;
+  }
+  gfx::PNGCodec::EncodeBGRASkBitmap(
+      *ResourceBundle::GetSharedInstance().GetBitmapNamed(
+          IDR_LOGIN_DEFAULT_USER),
+      false,
+      &user_image);
+  return user_image;
+}
+
+UserImageSource::UserImageSource()
+    : DataSource(chrome::kChromeUIUserImageHost, MessageLoop::current()) {
+}
+
+UserImageSource::~UserImageSource() {}
+
+void UserImageSource::StartDataRequest(const std::string& path,
+                                       bool is_incognito,
+                                       int request_id) {
+  // Strip the query param value - we only use it as a hack to ensure our
+  // image gets reloaded instead of being pulled from the browser cache
+  std::string email = path.substr(0, path.find_first_of("?"));
+  SendResponse(request_id, new RefCountedBytes(GetUserImage(email)));
+}
+
+std::string UserImageSource::GetMimeType(const std::string&) const {
+  // We need to explicitly return a mime type, otherwise if the user tries to
+  // drag the image they get no extension.
+  return "image/png";
+}
+
+}  // namespace chromeos