/*
 * Licensed under the GNU Lesser General Public License Version 3
 *
 * This library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the license, or
 * (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library.  If not, see <http://www.gnu.org/licenses/>.
 */

// generated automatically - do not change


module gio.ProxyResolverT;

public  import gio.AsyncResultIF;
public  import gio.Cancellable;
public  import gio.ProxyResolver;
public  import gio.ProxyResolverIF;
public  import gio.c.functions;
public  import gio.c.types;
public  import glib.ErrorG;
public  import glib.GException;
public  import glib.Str;
public  import gobject.ObjectG;


/**
 * #GProxyResolver provides synchronous and asynchronous network proxy
 * resolution. #GProxyResolver is used within #GSocketClient through
 * the method g_socket_connectable_proxy_enumerate().
 *
 * Since: 2.26
 */
public template ProxyResolverT(TStruct)
{
	/** Get the main Gtk struct */
	public GProxyResolver* getProxyResolverStruct(bool transferOwnership = false)
	{
		if (transferOwnership)
			ownedRef = false;
		return cast(GProxyResolver*)getStruct();
	}


	/**
	 * Gets the default #GProxyResolver for the system.
	 *
	 * Returns: the default #GProxyResolver.
	 *
	 * Since: 2.26
	 */
	public static ProxyResolverIF getDefault()
	{
		auto p = g_proxy_resolver_get_default();

		if(p is null)
		{
			return null;
		}

		return ObjectG.getDObject!(ProxyResolver, ProxyResolverIF)(cast(GProxyResolver*) p);
	}

	/**
	 * Checks if @resolver can be used on this system. (This is used
	 * internally; g_proxy_resolver_get_default() will only return a proxy
	 * resolver that returns %TRUE for this method.)
	 *
	 * Returns: %TRUE if @resolver is supported.
	 *
	 * Since: 2.26
	 */
	public bool isSupported()
	{
		return g_proxy_resolver_is_supported(getProxyResolverStruct()) != 0;
	}

	/**
	 * Looks into the system proxy configuration to determine what proxy,
	 * if any, to use to connect to @uri. The returned proxy URIs are of
	 * the form `<protocol>://[user[:password]@]host:port` or
	 * `direct://`, where <protocol> could be http, rtsp, socks
	 * or other proxying protocol.
	 *
	 * If you don't know what network protocol is being used on the
	 * socket, you should use `none` as the URI protocol.
	 * In this case, the resolver might still return a generic proxy type
	 * (such as SOCKS), but would not return protocol-specific proxy types
	 * (such as http).
	 *
	 * `direct://` is used when no proxy is needed.
	 * Direct connection should not be attempted unless it is part of the
	 * returned array of proxies.
	 *
	 * Params:
	 *     uri = a URI representing the destination to connect to
	 *     cancellable = a #GCancellable, or %NULL
	 *
	 * Returns: A
	 *     NULL-terminated array of proxy URIs. Must be freed
	 *     with g_strfreev().
	 *
	 * Since: 2.26
	 *
	 * Throws: GException on failure.
	 */
	public string[] lookup(string uri, Cancellable cancellable)
	{
		GError* err = null;

		auto retStr = g_proxy_resolver_lookup(getProxyResolverStruct(), Str.toStringz(uri), (cancellable is null) ? null : cancellable.getCancellableStruct(), &err);

		if (err !is null)
		{
			throw new GException( new ErrorG(err) );
		}

		scope(exit) Str.freeStringArray(retStr);
		return Str.toStringArray(retStr);
	}

	/**
	 * Asynchronous lookup of proxy. See g_proxy_resolver_lookup() for more
	 * details.
	 *
	 * Params:
	 *     uri = a URI representing the destination to connect to
	 *     cancellable = a #GCancellable, or %NULL
	 *     callback = callback to call after resolution completes
	 *     userData = data for @callback
	 *
	 * Since: 2.26
	 */
	public void lookupAsync(string uri, Cancellable cancellable, GAsyncReadyCallback callback, void* userData)
	{
		g_proxy_resolver_lookup_async(getProxyResolverStruct(), Str.toStringz(uri), (cancellable is null) ? null : cancellable.getCancellableStruct(), callback, userData);
	}

	/**
	 * Call this function to obtain the array of proxy URIs when
	 * g_proxy_resolver_lookup_async() is complete. See
	 * g_proxy_resolver_lookup() for more details.
	 *
	 * Params:
	 *     result = the result passed to your #GAsyncReadyCallback
	 *
	 * Returns: A
	 *     NULL-terminated array of proxy URIs. Must be freed
	 *     with g_strfreev().
	 *
	 * Since: 2.26
	 *
	 * Throws: GException on failure.
	 */
	public string[] lookupFinish(AsyncResultIF result)
	{
		GError* err = null;

		auto retStr = g_proxy_resolver_lookup_finish(getProxyResolverStruct(), (result is null) ? null : result.getAsyncResultStruct(), &err);

		if (err !is null)
		{
			throw new GException( new ErrorG(err) );
		}

		scope(exit) Str.freeStringArray(retStr);
		return Str.toStringArray(retStr);
	}
}