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/*
* Copyright (C) 2025 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WPEScreenSyncObserver_h
#define WPEScreenSyncObserver_h
#if !defined(__WPE_PLATFORM_H_INSIDE__) && !defined(BUILDING_WEBKIT)
#error "Only <wpe/wpe-platform.h> can be included directly."
#endif
#include <glib-object.h>
#include <wpe/WPEDefines.h>
G_BEGIN_DECLS
#define WPE_TYPE_SCREEN_SYNC_OBSERVER (wpe_screen_sync_observer_get_type())
WPE_API WPE_DECLARE_DERIVABLE_TYPE (WPEScreenSyncObserver, wpe_screen_sync_observer, WPE, SCREEN_SYNC_OBSERVER, GObject)
/**
* WPEScreenSyncObserverSyncFunc:
* @observer: a #WPEScreenSyncObserver
* @user_data: user data
*
* Function passed to wpe_screen_sync_observer_add() to be called on
* every #WPEScreen sync.
*/
typedef void (* WPEScreenSyncObserverSyncFunc) (WPEScreenSyncObserver *observer,
gpointer user_data);
struct _WPEScreenSyncObserverClass
{
GObjectClass parent_class;
void (* start) (WPEScreenSyncObserver *observer);
void (* stop) (WPEScreenSyncObserver *observer);
void (* sync) (WPEScreenSyncObserver *observer);
gpointer padding[32];
};
WPE_API void wpe_screen_sync_observer_set_callback (WPEScreenSyncObserver *observer,
WPEScreenSyncObserverSyncFunc sync_func,
gpointer user_data,
GDestroyNotify destroy_notify);
WPE_API void wpe_screen_sync_observer_start (WPEScreenSyncObserver *observer);
WPE_API void wpe_screen_sync_observer_stop (WPEScreenSyncObserver *observer);
WPE_API gboolean wpe_screen_sync_observer_is_active (WPEScreenSyncObserver *observer);
G_END_DECLS
#endif /* WPEScreenSyncObserver_h */
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