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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_UPDATE_CLIENT_UPDATE_QUERY_PARAMS_H_
#define COMPONENTS_UPDATE_CLIENT_UPDATE_QUERY_PARAMS_H_
#include <string>
namespace update_client {
class UpdateQueryParamsDelegate;
// Generates a string of URL query parameters to be used when getting
// component and extension updates. These parameters generally remain
// fixed for a particular build. Embedders can use the delegate to
// define different implementations. This should be used only in the
// browser process.
class UpdateQueryParams {
public:
enum ProdId { CHROME = 0, CRX, WEBVIEW };
UpdateQueryParams() = delete;
UpdateQueryParams(const UpdateQueryParams&) = delete;
UpdateQueryParams& operator=(const UpdateQueryParams&) = delete;
// Generates a string of URL query parameters for Omaha. Includes the
// following fields: "os", "arch", "nacl_arch", "prod", "prodchannel",
// "prodversion", and "lang"
static std::string Get(ProdId prod);
// Returns the value we use for the "prod=" parameter. Possible return values
// include "chrome", "chromecrx", "chromiumcrx", and "unknown".
static const char* GetProdIdString(ProdId prod);
// Returns the value we use for the "os=" parameter. Possible return values
// include: "mac", "win", "android", "cros", "linux", and "openbsd".
static const char* GetOS();
// Returns the value we use for the "arch=" parameter. Possible return values
// include: "x86", "x64", and "arm".
static const char* GetArch();
// Returns the value we use for the "nacl_arch" parameter. Note that this may
// be different from the "arch" parameter above (e.g. one may be 32-bit and
// the other 64-bit). Possible return values include: "x86-32", "x86-64",
// "arm", "mips32", and "ppc64".
static const char* GetNaclArch();
// Returns the current version of Chrome/Chromium.
static std::string GetProdVersion();
// Use this delegate.
static void SetDelegate(UpdateQueryParamsDelegate* delegate);
};
} // namespace update_client
#endif // COMPONENTS_UPDATE_CLIENT_UPDATE_QUERY_PARAMS_H_
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