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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.
#include "chrome/browser/chromeos/login/default_user_images.h"
#include "base/basictypes.h"
#include "base/logging.h"
#include "base/string_number_conversions.h"
#include "base/string_piece.h"
#include "base/string_util.h"
#include "base/stringprintf.h"
#include "grit/theme_resources.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/image/image_skia.h"
namespace chromeos {
namespace {
const char kDefaultPathPrefix[] = "default:";
const char kDefaultUrlPrefix[] = "chrome://theme/IDR_LOGIN_DEFAULT_USER_";
const char kFirstDefaultUrl[] = "chrome://theme/IDR_LOGIN_DEFAULT_USER";
const char* kOldDefaultImageNames[] = {
"default:gray",
"default:green",
"default:blue",
"default:yellow",
"default:red",
};
// Returns a string consisting of the prefix specified and the index of the
// image if its valid.
std::string GetDefaultImageString(int index, const std::string& prefix) {
if (index < 0 || index >= kDefaultImagesCount) {
NOTREACHED();
return std::string();
}
return StringPrintf("%s%d", prefix.c_str(), index);
}
// Returns true if the string specified consists of the prefix and one of
// the default images indices. Returns the index of the image in |image_id|
// variable.
bool IsDefaultImageString(const std::string& s,
const std::string& prefix,
int* image_id) {
DCHECK(image_id);
if (!StartsWithASCII(s, prefix, true))
return false;
int image_index = -1;
if (base::StringToInt(base::StringPiece(s.begin() + prefix.length(),
s.end()),
&image_index)) {
if (image_index < 0 || image_index >= kDefaultImagesCount)
return false;
*image_id = image_index;
return true;
}
return false;
}
} // namespace
std::string GetDefaultImagePath(int index) {
return GetDefaultImageString(index, kDefaultPathPrefix);
}
bool IsDefaultImagePath(const std::string& path, int* image_id) {
if (IsDefaultImageString(path, kDefaultPathPrefix, image_id))
return true;
// Check old default image names for back-compatibility.
for (size_t i = 0; i < arraysize(kOldDefaultImageNames); ++i) {
if (path == kOldDefaultImageNames[i]) {
*image_id = static_cast<int>(i);
return true;
}
}
return false;
}
std::string GetDefaultImageUrl(int index) {
if (index == 0)
return kFirstDefaultUrl;
return GetDefaultImageString(index, kDefaultUrlPrefix);
}
bool IsDefaultImageUrl(const std::string url, int* image_id) {
if (url == kFirstDefaultUrl) {
*image_id = 0;
return true;
}
return IsDefaultImageString(url, kDefaultUrlPrefix, image_id);
}
const gfx::ImageSkia& GetDefaultImage(int index) {
DCHECK(index >= 0 && index < kDefaultImagesCount);
return *ResourceBundle::GetSharedInstance().
GetImageSkiaNamed(kDefaultImageResources[index]);
}
// Resource IDs of default user images.
const int kDefaultImageResources[] = {
IDR_LOGIN_DEFAULT_USER,
IDR_LOGIN_DEFAULT_USER_1,
IDR_LOGIN_DEFAULT_USER_2,
IDR_LOGIN_DEFAULT_USER_3,
IDR_LOGIN_DEFAULT_USER_4,
IDR_LOGIN_DEFAULT_USER_5,
IDR_LOGIN_DEFAULT_USER_6,
IDR_LOGIN_DEFAULT_USER_7,
IDR_LOGIN_DEFAULT_USER_8,
IDR_LOGIN_DEFAULT_USER_9,
IDR_LOGIN_DEFAULT_USER_10,
IDR_LOGIN_DEFAULT_USER_11,
IDR_LOGIN_DEFAULT_USER_12,
IDR_LOGIN_DEFAULT_USER_13,
IDR_LOGIN_DEFAULT_USER_14,
IDR_LOGIN_DEFAULT_USER_15,
IDR_LOGIN_DEFAULT_USER_16,
IDR_LOGIN_DEFAULT_USER_17,
IDR_LOGIN_DEFAULT_USER_18,
};
const int kDefaultImagesCount = arraysize(kDefaultImageResources);
// The order and the values of these constants are important for histograms
// of different Chrome OS versions to be merged smoothly.
const int kHistogramImageFromCamera = kDefaultImagesCount;
const int kHistogramImageFromFile = kDefaultImagesCount + 1;
const int kHistogramImageOld = kDefaultImagesCount + 2;
const int kHistogramImageFromProfile = kDefaultImagesCount + 3;
const int kHistogramImagesCount = kDefaultImagesCount + 4;
} // namespace chromeos
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