X-Git-Url: https://code.delx.au/pulseaudio/blobdiff_plain/f44ba092651aa75055e109e04b4164ea92ae7fdc..d20ee7e7f21a9deed61ac5adb46cc64921e01796:/src/pulsecore/x11wrap.c diff --git a/src/pulsecore/x11wrap.c b/src/pulsecore/x11wrap.c index 2ba0a87f..454507ae 100644 --- a/src/pulsecore/x11wrap.c +++ b/src/pulsecore/x11wrap.c @@ -1,32 +1,37 @@ -/* $Id$ */ - /*** This file is part of PulseAudio. - + + Copyright 2004-2006 Lennart Poettering + PulseAudio 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 2 of the License, + by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. - + PulseAudio 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 General Public License for more details. - + You should have received a copy of the GNU Lesser General Public License along with PulseAudio; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. ***/ -#include +#ifdef HAVE_CONFIG_H +#include +#endif + #include #include #include #include -#include +#include +#include +#include #include "x11wrap.h" @@ -40,9 +45,9 @@ struct pa_x11_internal { }; struct pa_x11_wrapper { + PA_REFCNT_DECLARE; pa_core *core; - int ref; - + char *property_name; Display *display; @@ -56,48 +61,71 @@ struct pa_x11_wrapper { struct pa_x11_client { PA_LLIST_FIELDS(pa_x11_client); pa_x11_wrapper *wrapper; - int (*callback)(pa_x11_wrapper *w, XEvent *e, void *userdata); + pa_x11_event_cb_t event_cb; + pa_x11_kill_cb_t kill_cb; void *userdata; }; /* Dispatch all pending X11 events */ static void work(pa_x11_wrapper *w) { - assert(w && w->ref >= 1); - + pa_assert(w); + pa_assert(PA_REFCNT_VALUE(w) >= 1); + + pa_x11_wrapper_ref(w); + while (XPending(w->display)) { - pa_x11_client *c; + pa_x11_client *c, *n; XEvent e; XNextEvent(w->display, &e); - for (c = w->clients; c; c = c->next) { - assert(c->callback); - if (c->callback(w, &e, c->userdata) != 0) - break; + for (c = w->clients; c; c = n) { + n = c->next; + + if (c->event_cb) + if (c->event_cb(w, &e, c->userdata) != 0) + break; } } + + pa_x11_wrapper_unref(w); } /* IO notification event for the X11 display connection */ -static void display_io_event(pa_mainloop_api *m, pa_io_event *e, int fd, PA_GCC_UNUSED pa_io_event_flags_t f, void *userdata) { +static void display_io_event(pa_mainloop_api *m, pa_io_event *e, int fd, pa_io_event_flags_t f, void *userdata) { pa_x11_wrapper *w = userdata; - assert(m && e && fd >= 0 && w && w->ref >= 1); + + pa_assert(m); + pa_assert(e); + pa_assert(fd >= 0); + pa_assert(w); + pa_assert(PA_REFCNT_VALUE(w) >= 1); + work(w); } /* Deferred notification event. Called once each main loop iteration */ static void defer_event(pa_mainloop_api *m, pa_defer_event *e, void *userdata) { pa_x11_wrapper *w = userdata; - assert(m && e && w && w->ref >= 1); + + pa_assert(m); + pa_assert(e); + pa_assert(w); + pa_assert(PA_REFCNT_VALUE(w) >= 1); m->defer_enable(e, 0); - + work(w); } /* IO notification event for X11 internal connections */ -static void internal_io_event(pa_mainloop_api *m, pa_io_event *e, int fd, PA_GCC_UNUSED pa_io_event_flags_t f, void *userdata) { +static void internal_io_event(pa_mainloop_api *m, pa_io_event *e, int fd, pa_io_event_flags_t f, void *userdata) { pa_x11_wrapper *w = userdata; - assert(m && e && fd >= 0 && w && w->ref >= 1); + + pa_assert(m); + pa_assert(e); + pa_assert(fd >= 0); + pa_assert(w); + pa_assert(PA_REFCNT_VALUE(w) >= 1); XProcessInternalConnection(w->display, fd); @@ -107,10 +135,9 @@ static void internal_io_event(pa_mainloop_api *m, pa_io_event *e, int fd, PA_GCC /* Add a new IO source for the specified X11 internal connection */ static pa_x11_internal* x11_internal_add(pa_x11_wrapper *w, int fd) { pa_x11_internal *i; - assert(fd >= 0); + pa_assert(fd >= 0); - i = pa_xmalloc(sizeof(pa_x11_internal)); - assert(i); + i = pa_xnew(pa_x11_internal, 1); i->wrapper = w; i->io_event = w->core->mainloop->io_new(w->core->mainloop, fd, PA_IO_EVENT_INPUT, internal_io_event, w); i->fd = fd; @@ -121,7 +148,7 @@ static pa_x11_internal* x11_internal_add(pa_x11_wrapper *w, int fd) { /* Remove an IO source for an X11 internal connection */ static void x11_internal_remove(pa_x11_wrapper *w, pa_x11_internal *i) { - assert(i); + pa_assert(i); PA_LLIST_REMOVE(pa_x11_internal, w->internals, i); w->core->mainloop->io_free(i->io_event); @@ -131,7 +158,10 @@ static void x11_internal_remove(pa_x11_wrapper *w, pa_x11_internal *i) { /* Implementation of XConnectionWatchProc */ static void x11_watch(Display *display, XPointer userdata, int fd, Bool opening, XPointer *watch_data) { pa_x11_wrapper *w = (pa_x11_wrapper*) userdata; - assert(display && w && fd >= 0); + + pa_assert(display); + pa_assert(w); + pa_assert(fd >= 0); if (opening) *watch_data = (XPointer) x11_internal_add(w, fd); @@ -142,19 +172,18 @@ static void x11_watch(Display *display, XPointer userdata, int fd, Bool opening, static pa_x11_wrapper* x11_wrapper_new(pa_core *c, const char *name, const char *t) { pa_x11_wrapper*w; Display *d; - int r; if (!(d = XOpenDisplay(name))) { - pa_log(__FILE__": XOpenDisplay() failed"); + pa_log("XOpenDisplay() failed"); return NULL; } - w = pa_xmalloc(sizeof(pa_x11_wrapper)); + w = pa_xnew(pa_x11_wrapper, 1); + PA_REFCNT_INIT(w); w->core = c; - w->ref = 1; w->property_name = pa_xstrdup(t); w->display = d; - + PA_LLIST_HEAD_INIT(pa_x11_client, w->clients); PA_LLIST_HEAD_INIT(pa_x11_internal, w->internals); @@ -162,31 +191,28 @@ static pa_x11_wrapper* x11_wrapper_new(pa_core *c, const char *name, const char w->io_event = c->mainloop->io_new(c->mainloop, ConnectionNumber(d), PA_IO_EVENT_INPUT, display_io_event, w); XAddConnectionWatch(d, x11_watch, (XPointer) w); - - r = pa_property_set(c, w->property_name, w); - assert(r >= 0); - + + pa_assert_se(pa_shared_set(c, w->property_name, w) >= 0); + return w; } static void x11_wrapper_free(pa_x11_wrapper*w) { - int r; - assert(w); + pa_assert(w); - r = pa_property_remove(w->core, w->property_name); - assert(r >= 0); + pa_assert_se(pa_shared_remove(w->core, w->property_name) >= 0); - assert(!w->clients); + pa_assert(!w->clients); XRemoveConnectionWatch(w->display, x11_watch, (XPointer) w); XCloseDisplay(w->display); - + w->core->mainloop->io_free(w->io_event); w->core->mainloop->defer_free(w->defer_event); while (w->internals) x11_internal_remove(w, w->internals); - + pa_xfree(w->property_name); pa_xfree(w); } @@ -194,44 +220,76 @@ static void x11_wrapper_free(pa_x11_wrapper*w) { pa_x11_wrapper* pa_x11_wrapper_get(pa_core *c, const char *name) { char t[256]; pa_x11_wrapper *w; - assert(c); - - snprintf(t, sizeof(t), "x11-wrapper%s%s", name ? "-" : "", name ? name : ""); - if ((w = pa_property_get(c, t))) + + pa_core_assert_ref(c); + + pa_snprintf(t, sizeof(t), "x11-wrapper%s%s", name ? "@" : "", name ? name : ""); + + if ((w = pa_shared_get(c, t))) return pa_x11_wrapper_ref(w); return x11_wrapper_new(c, name, t); } pa_x11_wrapper* pa_x11_wrapper_ref(pa_x11_wrapper *w) { - assert(w && w->ref >= 1); - w->ref++; + pa_assert(w); + pa_assert(PA_REFCNT_VALUE(w) >= 1); + + PA_REFCNT_INC(w); return w; } void pa_x11_wrapper_unref(pa_x11_wrapper* w) { - assert(w && w->ref >= 1); + pa_assert(w); + pa_assert(PA_REFCNT_VALUE(w) >= 1); + + if (PA_REFCNT_DEC(w) > 0) + return; - if (!(--w->ref)) - x11_wrapper_free(w); + x11_wrapper_free(w); } Display *pa_x11_wrapper_get_display(pa_x11_wrapper *w) { - assert(w && w->ref >= 1); + pa_assert(w); + pa_assert(PA_REFCNT_VALUE(w) >= 1); /* Somebody is using us, schedule a output buffer flush */ w->core->mainloop->defer_enable(w->defer_event, 1); - + return w->display; } -pa_x11_client* pa_x11_client_new(pa_x11_wrapper *w, int (*cb)(pa_x11_wrapper *w, XEvent *e, void *userdata), void *userdata) { +xcb_connection_t *pa_x11_wrapper_get_xcb_connection(pa_x11_wrapper *w) { + return XGetXCBConnection(pa_x11_wrapper_get_display(w)); +} + +void pa_x11_wrapper_kill(pa_x11_wrapper *w) { + pa_x11_client *c, *n; + + pa_assert(w); + + pa_x11_wrapper_ref(w); + + for (c = w->clients; c; c = n) { + n = c->next; + + if (c->kill_cb) + c->kill_cb(w, c->userdata); + } + + pa_x11_wrapper_unref(w); +} + +pa_x11_client* pa_x11_client_new(pa_x11_wrapper *w, pa_x11_event_cb_t event_cb, pa_x11_kill_cb_t kill_cb, void *userdata) { pa_x11_client *c; - assert(w && w->ref >= 1); - c = pa_xmalloc(sizeof(pa_x11_client)); + pa_assert(w); + pa_assert(PA_REFCNT_VALUE(w) >= 1); + + c = pa_xnew(pa_x11_client, 1); c->wrapper = w; - c->callback = cb; + c->event_cb = event_cb; + c->kill_cb = kill_cb; c->userdata = userdata; PA_LLIST_PREPEND(pa_x11_client, w->clients, c); @@ -240,7 +298,9 @@ pa_x11_client* pa_x11_client_new(pa_x11_wrapper *w, int (*cb)(pa_x11_wrapper *w, } void pa_x11_client_free(pa_x11_client *c) { - assert(c && c->wrapper && c->wrapper->ref >= 1); + pa_assert(c); + pa_assert(c->wrapper); + pa_assert(PA_REFCNT_VALUE(c->wrapper) >= 1); PA_LLIST_REMOVE(pa_x11_client, c->wrapper->clients, c); pa_xfree(c);