tuf-manager/src/common.vala

/*
 * Copyright 2020 Chris Cromer
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * The TUF Manager namespace
 */
namespace TUFManager {
	private TUFServerInterface tuf_server;
	private BusName bus_name;

	private void connect_dbus () throws TUFError {
		bus_name = new BusName ("org.tuf.manager");
		connect_tuf_server ();
		if (get_server_version () != VERSION) {
			throw new TUFError.UNMATCHED_VERSIONS ("The server and client versions do not match!");
		}
	}

	private void connect_tuf_server () {
		try {
			tuf_server = Bus.get_proxy_sync (BusType.SYSTEM, "org.tuf.manager.server", "/org/tuf/manager/server");
		}
		catch (IOError e) {
			stderr.printf ("Error: %s\n", e.message);
		}
	}

	private string? get_server_version () {
		try {
			return tuf_server.get_server_version ();
		}
		catch (Error e) {
			stderr.printf ("Error: %s\n", e.message);
		}
		return null;
	}

	private int get_fan_mode () {
		try {
			return tuf_server.get_fan_mode ();
		}
		catch (TUFError e) {
			stderr.printf ("Error: %s\n", e.message);
		} 
		catch (Error e) {
			stderr.printf ("Error: %s\n", e.message);
		}
		return -3;				
	}

	private void set_fan_mode (int mode) {
		try {
			tuf_server.set_fan_mode (mode, bus_name);
		}
		catch (TUFError e) {
			stderr.printf ("Error: %s\n", e.message);
		} 
		catch (Error e) {
			stderr.printf ("Error: %s\n", e.message);
		}
	}

	private Gdk.RGBA get_keyboard_color () {
		try {
			return tuf_server.get_keyboard_color ();
		}
		catch (TUFError e) {
			stderr.printf ("Error: %s\n", e.message);
		} 
		catch (Error e) {
			stderr.printf ("Error: %s\n", e.message);
		}
		return Gdk.RGBA ();
	}

	private void set_keyboard_color (Gdk.RGBA color) {
		try {
			tuf_server.set_keyboard_color (color, bus_name);
		}
		catch (TUFError e) {
			stderr.printf ("Error: %s\n", e.message);
		} 
		catch (Error e) {
			stderr.printf ("Error: %s\n", e.message);
		}
	}

	private int get_keyboard_mode () {
		try {
			return tuf_server.get_keyboard_mode ();
		}
		catch (TUFError e) {
			stderr.printf ("Error: %s\n", e.message);
		} 
		catch (Error e) {
			stderr.printf ("Error: %s\n", e.message);
		}
		return -3;		
	}

	private void set_keyboard_mode (int mode) {
		try {
			tuf_server.set_keyboard_mode (mode, bus_name);
		}
		catch (TUFError e) {
			stderr.printf ("Error: %s\n", e.message);
		} 
		catch (Error e) {
			stderr.printf ("Error: %s\n", e.message);
		}
	}

	private int get_keyboard_speed () {
		try {
			return tuf_server.get_keyboard_speed ();
		}
		catch (TUFError e) {
			stderr.printf ("Error: %s\n", e.message);
		} 
		catch (Error e) {
			stderr.printf ("Error: %s\n", e.message);
		}
		return -3;		
	}

	private void set_keyboard_speed (int speed) {
		try {
			tuf_server.set_keyboard_speed (speed, bus_name);
		}
		catch (TUFError e) {
			stderr.printf ("Error: %s\n", e.message);
		} 
		catch (Error e) {
			stderr.printf ("Error: %s\n", e.message);
		}
	}
}