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backends: Build MetaBackend subclasses for each backend

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This commit is contained in:
Jasper St. Pierre
2014-04-21 19:13:04 -04:00
parent 00ea9bf14b
commit 31d744195d
9 changed files with 260 additions and 42 deletions
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60
src/backends/meta-backend.c
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@ -32,12 +32,12 @@
#include <clutter/clutter.h>
#include <clutter/x11/clutter-x11.h>
#include "backends/x11/meta-backend-x11.h"
#include "backends/native/meta-backend-native.h"
#include "backends/native/meta-weston-launch.h"
#include <meta/util.h>
#include "backends/x11/meta-idle-monitor-xsync.h"
#include "backends/native/meta-idle-monitor-native.h"
static MetaBackend *_backend;
MetaBackend *
@ -46,7 +46,7 @@ meta_get_backend (void)
return _backend;
}
G_DEFINE_TYPE (MetaBackend, meta_backend, G_TYPE_OBJECT);
G_DEFINE_ABSTRACT_TYPE (MetaBackend, meta_backend, G_TYPE_OBJECT);
static void
meta_backend_finalize (GObject *object)
@ -77,17 +77,6 @@ meta_backend_init (MetaBackend *backend)
_backend = backend;
}
static GType
get_idle_monitor_type (void)
{
#if defined(CLUTTER_WINDOWING_X11)
if (clutter_check_windowing_backend (CLUTTER_WINDOWING_X11))
return META_TYPE_IDLE_MONITOR_XSYNC;
#endif
return META_TYPE_IDLE_MONITOR_NATIVE;
}
/* FIXME -- destroy device monitors at some point */
G_GNUC_UNUSED static void
destroy_device_monitor (MetaBackend *backend,
@ -98,6 +87,13 @@ destroy_device_monitor (MetaBackend *backend,
backend->device_id_max--;
}
static MetaIdleMonitor *
meta_backend_create_idle_monitor (MetaBackend *backend,
int device_id)
{
return META_BACKEND_GET_CLASS (backend)->create_idle_monitor (backend, device_id);
}
MetaIdleMonitor *
meta_backend_get_idle_monitor (MetaBackend *backend,
int device_id)
@ -106,37 +102,27 @@ meta_backend_get_idle_monitor (MetaBackend *backend,
if (!backend->device_monitors[device_id])
{
backend->device_monitors[device_id] = g_object_new (get_idle_monitor_type (),
"device-id", device_id,
NULL);
backend->device_monitors[device_id] = meta_backend_create_idle_monitor (backend, device_id);
backend->device_id_max = MAX (backend->device_id_max, device_id);
}
return backend->device_monitors[device_id];
}
void
meta_backend_x11_handle_alarm_notify (MetaBackend *backend,
XEvent *xevent)
{
int i;
for (i = 0; i <= backend->device_id_max; i++)
{
if (backend->device_monitors[i])
{
if (!META_IS_IDLE_MONITOR_XSYNC (backend->device_monitors[i]))
return;
meta_idle_monitor_xsync_handle_xevent (backend->device_monitors[i], (XSyncAlarmNotifyEvent*)xevent);
}
}
}
static GType
get_backend_type (void)
{
return META_TYPE_BACKEND;
#if defined(CLUTTER_WINDOWING_X11)
if (clutter_check_windowing_backend (CLUTTER_WINDOWING_X11))
return META_TYPE_BACKEND_X11;
#endif
#if defined(CLUTTER_WINDOWING_EGL)
if (clutter_check_windowing_backend (CLUTTER_WINDOWING_EGL))
return META_TYPE_BACKEND_NATIVE;
#endif
g_assert_not_reached ();
}
static void