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stage-window: Add argument guards

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Validate the arguments passed to StageWindow's methods.
This commit is contained in:
Emmanuele Bassi 2010-07-20 14:39:01 +01:00
parent a7adfd8745
commit 7b6b2ea55b
1 changed files with 26 additions and 9 deletions
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31
clutter/clutter-stage-window.c
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@ -112,20 +112,29 @@ _clutter_stage_window_get_geometry (ClutterStageWindow *window,
int
_clutter_stage_window_get_pending_swaps (ClutterStageWindow *window)
{
if (!CLUTTER_STAGE_WINDOW_GET_IFACE (window)->get_pending_swaps)
ClutterStageWindowIface *iface;
g_return_val_if_fail (CLUTTER_IS_STAGE_WINDOW (window), 0);
iface = CLUTTER_STAGE_WINDOW_GET_IFACE (window);
if (iface->get_pending_swaps == NULL)
{
g_assert (!clutter_feature_available (CLUTTER_FEATURE_SWAP_EVENTS));
return 0;
}
return CLUTTER_STAGE_WINDOW_GET_IFACE (window)->get_pending_swaps (window);
return iface->get_pending_swaps (window);
}
void
_clutter_stage_window_add_redraw_clip (ClutterStageWindow *window,
ClutterGeometry *stage_clip)
{
ClutterStageWindowIface *iface = CLUTTER_STAGE_WINDOW_GET_IFACE (window);
ClutterStageWindowIface *iface;
g_return_if_fail (CLUTTER_IS_STAGE_WINDOW (window));
iface = CLUTTER_STAGE_WINDOW_GET_IFACE (window);
if (iface->add_redraw_clip)
iface->add_redraw_clip (window, stage_clip);
}
@ -133,20 +142,28 @@ _clutter_stage_window_add_redraw_clip (ClutterStageWindow *window,
gboolean
_clutter_stage_window_has_redraw_clips (ClutterStageWindow *window)
{
ClutterStageWindowIface *iface = CLUTTER_STAGE_WINDOW_GET_IFACE (window);
ClutterStageWindowIface *iface;
g_return_val_if_fail (CLUTTER_IS_STAGE_WINDOW (window), FALSE);
iface = CLUTTER_STAGE_WINDOW_GET_IFACE (window);
if (iface->has_redraw_clips)
return iface->has_redraw_clips (window);
else
return FALSE;
}
gboolean
_clutter_stage_window_ignoring_redraw_clips (ClutterStageWindow *window)
{
ClutterStageWindowIface *iface = CLUTTER_STAGE_WINDOW_GET_IFACE (window);
ClutterStageWindowIface *iface;
g_return_val_if_fail (CLUTTER_IS_STAGE_WINDOW (window), FALSE);
iface = CLUTTER_STAGE_WINDOW_GET_IFACE (window);
if (iface->ignoring_redraw_clips)
return iface->ignoring_redraw_clips (window);
else
return TRUE;
}