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// Copyright (c) 2012 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/options/chromeos/user_image_source.h"
#include "base/memory/ref_counted_memory.h"
#include "base/message_loop/message_loop.h"
#include "base/strings/string_split.h"
#include "chrome/common/url_constants.h"
#include "components/user_manager/user_image/default_user_images.h"
#include "components/user_manager/user_manager.h"
#include "grit/theme_resources.h"
#include "grit/ui_chromeos_resources.h"
#include "net/base/escape.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/codec/png_codec.h"
#include "url/url_parse.h"
namespace {
// Parses the user image URL, which looks like
// "chrome://userimage/user@host?key1=value1&...&key_n=value_n",
// to user email.
void ParseRequest(const GURL& url,
std::string* email) {
DCHECK(url.is_valid());
*email = net::UnescapeURLComponent(url.path().substr(1),
(net::UnescapeRule::URL_SPECIAL_CHARS |
net::UnescapeRule::SPACES));
}
} // namespace
namespace chromeos {
namespace options {
base::RefCountedMemory* UserImageSource::GetUserImage(
const std::string& email,
ui::ScaleFactor scale_factor) const {
const user_manager::User* user =
user_manager::UserManager::Get()->FindUser(email);
if (user) {
if (user->has_raw_image()) {
return new base::RefCountedBytes(user->raw_image());
} else if (user->image_is_stub()) {
return ResourceBundle::GetSharedInstance().
LoadDataResourceBytesForScale(IDR_PROFILE_PICTURE_LOADING,
scale_factor);
} else if (user->HasDefaultImage()) {
return ResourceBundle::GetSharedInstance().
LoadDataResourceBytesForScale(
user_manager::kDefaultImageResourceIDs[user->image_index()],
scale_factor);
} else {
NOTREACHED() << "User with custom image missing raw data";
}
}
return ResourceBundle::GetSharedInstance().
LoadDataResourceBytesForScale(IDR_LOGIN_DEFAULT_USER, scale_factor);
}
UserImageSource::UserImageSource() {
}
UserImageSource::~UserImageSource() {}
std::string UserImageSource::GetSource() const {
return chrome::kChromeUIUserImageHost;
}
void UserImageSource::StartDataRequest(
const std::string& path,
int render_process_id,
int render_frame_id,
const content::URLDataSource::GotDataCallback& callback) {
std::string email;
GURL url(chrome::kChromeUIUserImageURL + path);
ParseRequest(url, &email);
callback.Run(GetUserImage(email, ui::SCALE_FACTOR_100P));
}
std::string UserImageSource::GetMimeType(const std::string& path) 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 options
} // namespace chromeos
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