Method

WPEPlatformScreenSyncObserveradd_callback

Declaration [src] 

guint
wpe_screen_sync_observer_add_callback (
  WPEScreenSyncObserver* observer,
  WPEScreenSyncObserverSyncFunc sync_func,
  gpointer user_data,
  GDestroyNotify destroy_notify
)

Description [src]

Add a sync_func to be called from a secondary thread when the screen sync is triggered.

To remove this callback pass the identifier that is returned by this function to wpe_screen_sync_observer_remove_callback().

Parameters

sync_func

Type: WPEScreenSyncObserverSyncFunc

A WPEScreenSyncObserverSyncFunc.

user_data

Type: gpointer

Data to pass to sync_func.

The argument can be NULL.
The data is owned by the caller of the method.
destroy_notify

Type: GDestroyNotify

Function for freeing user_data or NULL.

The argument can be NULL.

Return value

Type: guint

An identifier for this callback.