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/*
* Copyright (C) 2002 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "lf-launchee.h"
#include "lf-internals.h"
#include <errno.h>
struct LfLauncheeContext
{
int refcount;
LfDisplay *display;
char *launch_id;
Window launch_window;
};
/**
* lf_launchee_context_new:
* @display: an #LfDisplay
* @launch_id: launch ID as in DESKTOP_LAUNCH_ID
* @launch_window: launch window as in DESKTOP_LAUNCH_WINDOW
*
* Creates a new launchee-side context for the launch feedback
* protocol.
*
* Return value: a new launchee context
**/
LfLauncheeContext*
lf_launchee_context_new (LfDisplay *display,
const char *launch_id,
Window launch_window)
{
LfLauncheeContext *context;
context = lf_new0 (LfLauncheeContext, 1);
context->refcount = 1;
context->display = display;
lf_display_ref (context->display);
context->launch_id = lf_malloc (strlen (launch_id) + 1);
strcpy (context->launch_id, launch_id);
context->launch_window = launch_window;
return context;
}
/**
* lf_launchee_context_new_from_environment:
* @display: an #LfDisplay
*
* Tries to create an #LfLauncheeContext given information in
* the program's environment (DESKTOP_LAUNCH_ID and DESKTOP_LAUNCH_WINDOW
* environment variables). Returns %NULL if the env variables are not
* available or can't be parsed.
*
* Return value: a new #LfLauncheeContext or %NULL
**/
LfLauncheeContext*
lf_launchee_context_new_from_environment (LfDisplay *display)
{
const char *id_str;
const char *window_str;
unsigned long window;
id_str = getenv ("DESKTOP_LAUNCH_ID");
window_str = getenv ("DESKTOP_LAUNCH_WINDOW");
if (id_str == NULL || window_str == NULL)
return NULL;
window = lf_internal_string_to_ulong (window_str);
if (window == None)
return NULL;
return lf_launchee_context_new (display, id_str, window);
}
void
lf_launchee_context_ref (LfLauncheeContext *context)
{
context->refcount += 1;
}
void
lf_launchee_context_unref (LfLauncheeContext *context)
{
context->refcount -= 1;
if (context->refcount == 0)
{
lf_free (context->launch_id);
lf_free (context);
}
}
Window
lf_launchee_context_get_launch_window (LfLauncheeContext *context)
{
return context->launch_window;
}
const char*
lf_launchee_context_get_launch_id (LfLauncheeContext *context)
{
return context->launch_id;
}
/**
* lf_launchee_context_pulse:
* @context: an #LfLauncheeContext
*
* Notifies the launcher that progress is being made. Should be
* called regularly during a long launch operation.
*
**/
void
lf_launchee_context_pulse (LfLauncheeContext *context)
{
XEvent xev;
xev.xclient.type = ClientMessage;
xev.xclient.serial = 0;
xev.xclient.send_event = True;
xev.xclient.display = lf_display_get_x_display (context->display);
xev.xclient.window = context->launch_window;
xev.xclient.message_type = lf_internal_atom_get (context->display,
"_NET_LAUNCH_PULSE");
xev.xclient.format = 32;
xev.xclient.data.l[0] = 0;
xev.xclient.data.l[1] = 0;
xev.xclient.data.l[2] = 0;
xev.xclient.data.l[3] = 0;
lf_display_error_trap_push (context->display);
XSendEvent (lf_display_get_x_display (context->display),
context->launch_window,
False,
PropertyChangeMask,
&xev);
XFlush (lf_display_get_x_display (context->display));
lf_display_error_trap_pop (context->display);
}
/**
* lf_launchee_context_cancel:
* @context: an #LfLauncheeContext
*
* Called by the launchee application to cancel a launch (will
* probably cause the launcher to kill the launchee).
*
**/
void
lf_launchee_context_cancel (LfLauncheeContext *context)
{
lf_internal_set_cardinal (context->display,
context->launch_window,
"_NET_LAUNCH_CANCELED",
0);
}
/**
* lf_launchee_context_complete:
* @context: an #LfLauncheeContext
*
* Called by the launchee application when it is fully started up
* and launch feedback should end.
*
**/
void
lf_launchee_context_complete (LfLauncheeContext *context)
{
lf_internal_set_cardinal (context->display,
context->launch_window,
"_NET_LAUNCH_COMPLETE",
0);
}
/**
* lf_launchee_context_setup_window:
* @context: a #LfLauncheeContext
* @xwindow: window to be set up
*
* Sets up @xwindow, marking it as launched by the launch sequence
* represented by @context. For example sets the _NET_LAUNCH_ID
* property. Only the group leader windows of an application
* MUST be set up with this function, though if
* any other windows come from a separate launch sequence,
* they can be setup up separately.
*
**/
void
lf_launchee_context_setup_window (LfLauncheeContext *context,
Window xwindow)
{
lf_internal_set_string (context->display,
xwindow,
"_NET_LAUNCH_ID",
context->launch_id);
}
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