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// Copyright 2014 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 COMPONENTS_USER_MANAGER_USER_IMAGE_USER_IMAGE_H_
#define COMPONENTS_USER_MANAGER_USER_IMAGE_USER_IMAGE_H_
#include <string>
#include <vector>
#include "base/files/file_path.h"
#include "components/user_manager/user_manager_export.h"
#include "ui/gfx/image/image_skia.h"
#include "url/gurl.h"
namespace user_manager {
// Wrapper class storing a still image and its bytes representation for
// WebUI in a web-compatible format such as JPEG. Could be used for storing
// profile images and user wallpapers.
class USER_MANAGER_EXPORT UserImage {
public:
// Used to store bytes representation for WebUI.
// TODO(ivankr): replace with RefCountedMemory to prevent copying.
typedef std::vector<unsigned char> Bytes;
// Encodes the given bitmap to bytes representation for WebUI. Returns null
// on failure.
static scoped_ptr<Bytes> Encode(const SkBitmap& bitmap);
// Creates a new instance from a given still frame and tries to encode it
// to bytes representation for WebUI.
// TODO(ivankr): remove eventually.
static UserImage CreateAndEncode(const gfx::ImageSkia& image);
// Create instance with an empty still frame and no bytes
// representation for WebUI.
UserImage();
// Creates a new instance from a given still frame without any bytes
// representation for WebUI.
explicit UserImage(const gfx::ImageSkia& image);
// Creates a new instance from a given still frame and bytes
// representation for WebUI.
UserImage(const gfx::ImageSkia& image, const Bytes& image_bytes);
virtual ~UserImage();
const gfx::ImageSkia& image() const { return image_; }
// Optional bytes representation of the still image for WebUI.
bool has_image_bytes() const { return has_image_bytes_; }
const Bytes& image_bytes() const { return image_bytes_; }
// URL from which this image was originally downloaded, if any.
void set_url(const GURL& url) { url_ = url; }
GURL url() const { return url_; }
// Whether |image_bytes| contains data in format that is considered safe to
// decode in sensitive environment (on Login screen).
bool is_safe_format() const { return is_safe_format_; }
void MarkAsSafe();
const base::FilePath& file_path() const { return file_path_; }
void set_file_path(const base::FilePath& file_path) {
file_path_ = file_path;
}
private:
gfx::ImageSkia image_;
bool has_image_bytes_;
Bytes image_bytes_;
GURL url_;
// If image was loaded from the local file, file path is stored here.
base::FilePath file_path_;
bool is_safe_format_;
};
} // namespace user_manager
#endif // COMPONENTS_USER_MANAGER_USER_IMAGE_USER_IMAGE_H_
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