indexing
	legal: "See notice at end of class."
	status: "See notice at end of class."
class MEL_SOCKET_POLLER

inherit
	SOCKET_POLLER
		rename
			make as poller_make,
			make_active as poller_make_active
		end 

	MEL_COMMAND

create
	make

feature {NONE} -- Initialization

	make (app_context: like application_context) is
			-- Create timer and socket_poller.
		do
			application_context := app_context;
			poller_make
			active := False
		end 

    make_active (app_context: like application_context; a_poll_delay: INTEGER) is
            -- Create timer and socket_poller.
            -- Set `a_poll_delay' to `delay_time'.
        do
            make (app_context)
            set_active (a_poll_delay) 
        end

feature -- Activation

	set_active (a_poll_delay: INTEGER) is
			-- Set `a_poll_delay' to `delay_time'. 
		do
			delay_time := a_poll_delay
			continue := True
			active := True
			application_context.set_time_out_callback (delay_time, Current, Void)
			timer_id := application_context.last_id
		end 

	set_inactive is
			-- Stop polling the socket.
		do
			if continue then
				continue := False
				timer_id.remove
				timer_id := Void
			end

			active := False
		ensure then
			not_continue: not continue
		end 

	is_poller_active: BOOLEAN is
			-- Is the poller active?
		do
			Result := active
		end 

feature -- Execute

	execute (arg: ANY) is
			-- Poll the socket.
		do
			poll

			if continue then
				active := False
				set_active (delay_time)
			end 
		end 

feature {NONE} -- Implementation

	application_context: MEL_APPLICATION_CONTEXT
			-- Application context of the Motif program

	timer_id: MEL_IDENTIFIER
			-- Timer identifier

	delay_time: INTEGER
			-- Time between polls (in msec)

	active, continue: BOOLEAN;
			-- Status variables

indexing
	copyright:	"Copyright (c) 1984-2006, Eiffel Software and others"
	license:	"Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
	source: "[
			 Eiffel Software
			 356 Storke Road, Goleta, CA 93117 USA
			 Telephone 805-685-1006, Fax 805-685-6869
			 Website http://www.eiffel.com
			 Customer support http://support.eiffel.com
		]"




end -- class MEL_SOCKET_POLLER