{- |
Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
License    : LGPL-2.1
Maintainer : Iñaki García Etxebarria (garetxe@gmail.com)

A set of ATK utility functions which are used to support event
registration of various types, and obtaining the \'root\' accessible
of a process and information about the current ATK implementation
and toolkit version.
-}

module GI.Atk.Objects.Util
    ( 

-- * Exported types
    Util(..)                                ,
    IsUtil                                  ,
    toUtil                                  ,
    noUtil                                  ,


    ) where

import Data.GI.Base.ShortPrelude
import qualified Data.GI.Base.ShortPrelude as SP
import qualified Data.GI.Base.Overloading as O
import qualified Prelude as P

import qualified Data.GI.Base.Attributes as GI.Attributes
import qualified Data.GI.Base.ManagedPtr as B.ManagedPtr
import qualified Data.GI.Base.GError as B.GError
import qualified Data.GI.Base.GVariant as B.GVariant
import qualified Data.GI.Base.GParamSpec as B.GParamSpec
import qualified Data.GI.Base.CallStack as B.CallStack
import qualified Data.Text as T
import qualified Data.ByteString.Char8 as B
import qualified Data.Map as Map
import qualified Foreign.Ptr as FP

import qualified GI.GObject.Objects.Object as GObject.Object

newtype Util = Util (ManagedPtr Util)
foreign import ccall "atk_util_get_type"
    c_atk_util_get_type :: IO GType

instance GObject Util where
    gobjectType _ = c_atk_util_get_type
    

class GObject o => IsUtil o
#if MIN_VERSION_base(4,9,0)
instance {-# OVERLAPPABLE #-} (GObject a, O.UnknownAncestorError Util a) =>
    IsUtil a
#endif
instance IsUtil Util
instance GObject.Object.IsObject Util

toUtil :: IsUtil o => o -> IO Util
toUtil = unsafeCastTo Util

noUtil :: Maybe Util
noUtil = Nothing

type family ResolveUtilMethod (t :: Symbol) (o :: *) :: * where
    ResolveUtilMethod "bindProperty" o = GObject.Object.ObjectBindPropertyMethodInfo
    ResolveUtilMethod "bindPropertyFull" o = GObject.Object.ObjectBindPropertyFullMethodInfo
    ResolveUtilMethod "forceFloating" o = GObject.Object.ObjectForceFloatingMethodInfo
    ResolveUtilMethod "freezeNotify" o = GObject.Object.ObjectFreezeNotifyMethodInfo
    ResolveUtilMethod "isFloating" o = GObject.Object.ObjectIsFloatingMethodInfo
    ResolveUtilMethod "notify" o = GObject.Object.ObjectNotifyMethodInfo
    ResolveUtilMethod "notifyByPspec" o = GObject.Object.ObjectNotifyByPspecMethodInfo
    ResolveUtilMethod "ref" o = GObject.Object.ObjectRefMethodInfo
    ResolveUtilMethod "refSink" o = GObject.Object.ObjectRefSinkMethodInfo
    ResolveUtilMethod "replaceData" o = GObject.Object.ObjectReplaceDataMethodInfo
    ResolveUtilMethod "replaceQdata" o = GObject.Object.ObjectReplaceQdataMethodInfo
    ResolveUtilMethod "runDispose" o = GObject.Object.ObjectRunDisposeMethodInfo
    ResolveUtilMethod "stealData" o = GObject.Object.ObjectStealDataMethodInfo
    ResolveUtilMethod "stealQdata" o = GObject.Object.ObjectStealQdataMethodInfo
    ResolveUtilMethod "thawNotify" o = GObject.Object.ObjectThawNotifyMethodInfo
    ResolveUtilMethod "unref" o = GObject.Object.ObjectUnrefMethodInfo
    ResolveUtilMethod "watchClosure" o = GObject.Object.ObjectWatchClosureMethodInfo
    ResolveUtilMethod "getData" o = GObject.Object.ObjectGetDataMethodInfo
    ResolveUtilMethod "getProperty" o = GObject.Object.ObjectGetPropertyMethodInfo
    ResolveUtilMethod "getQdata" o = GObject.Object.ObjectGetQdataMethodInfo
    ResolveUtilMethod "setData" o = GObject.Object.ObjectSetDataMethodInfo
    ResolveUtilMethod "setProperty" o = GObject.Object.ObjectSetPropertyMethodInfo
    ResolveUtilMethod l o = O.MethodResolutionFailed l o

instance (info ~ ResolveUtilMethod t Util, O.MethodInfo info Util p) => O.IsLabelProxy t (Util -> p) where
    fromLabelProxy _ = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)

#if MIN_VERSION_base(4,9,0)
instance (info ~ ResolveUtilMethod t Util, O.MethodInfo info Util p) => O.IsLabel t (Util -> p) where
    fromLabel _ = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)
#endif

instance O.HasAttributeList Util
type instance O.AttributeList Util = UtilAttributeList
type UtilAttributeList = ('[ ] :: [(Symbol, *)])

type instance O.SignalList Util = UtilSignalList
type UtilSignalList = ('[ '("notify", GObject.Object.ObjectNotifySignalInfo)] :: [(Symbol, *)])