// Copyright 2013 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 PPAPI_CPP_NETWORK_PROXY_H_
#define PPAPI_CPP_NETWORK_PROXY_H_
#include <string>
#include "ppapi/cpp/completion_callback.h"
#include "ppapi/cpp/instance_handle.h"
namespace pp {
/// This class provides a way to determine the appropriate proxy settings for
/// for a given URL.
///
/// Permissions: Apps permission <code>socket</code> with subrule
/// <code>resolve-proxy</code> is required for using this API.
/// For more details about network communication permissions, please see:
/// http://developer.chrome.com/apps/app_network.html
class NetworkProxy {
public:
/// Returns true if the browser supports this API, false otherwise.
static bool IsAvailable();
/// Retrieves the proxy that will be used for the given URL. The result will
/// be a string in PAC format. For more details about PAC format, please see
/// http://en.wikipedia.org/wiki/Proxy_auto-config
///
/// @param[in] instance An <code>InstanceHandle</code> identifying one
/// instance of a module.
///
/// @param[in] url A string <code>Var</code> containing a URL.
///
/// @param[in] callback A <code>CompletionCallbackWithOutput</code> to be
/// called upon completion. It will be passed a string <code>Var</code>
/// containing the appropriate PAC string for <code>url</code>.
///
/// @return An int32_t containing an error code from <code>pp_errors.h</code>.
static int32_t GetProxyForURL(
const InstanceHandle& instance,
const Var& url,
const pp::CompletionCallbackWithOutput<Var>& callback);
};
} // namespace pp
#endif // PPAPI_CPP_NETWORK_PROXY_H_