{- |
Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
License    : LGPL-2.1
Maintainer : Iñaki García Etxebarria (inaki@blueleaf.cc)

A structure that provides information to the type system which is
used specifically for managing interface types.
-}

#define ENABLE_OVERLOADING (MIN_VERSION_haskell_gi_overloading(1,0,0) \
       && !defined(__HADDOCK_VERSION__))

module GI.GObject.Structs.InterfaceInfo
    ( 

-- * Exported types
    InterfaceInfo(..)                       ,
    newZeroInterfaceInfo                    ,
    noInterfaceInfo                         ,


 -- * Properties
-- ** interfaceData #attr:interfaceData#
{- | user-supplied data passed to the interface init\/finalize functions
-}
    clearInterfaceInfoInterfaceData         ,
    getInterfaceInfoInterfaceData           ,
#if ENABLE_OVERLOADING
    interfaceInfo_interfaceData             ,
#endif
    setInterfaceInfoInterfaceData           ,


-- ** interfaceFinalize #attr:interfaceFinalize#
{- | location of the interface finalization function
-}
    clearInterfaceInfoInterfaceFinalize     ,
    getInterfaceInfoInterfaceFinalize       ,
#if ENABLE_OVERLOADING
    interfaceInfo_interfaceFinalize         ,
#endif
    setInterfaceInfoInterfaceFinalize       ,


-- ** interfaceInit #attr:interfaceInit#
{- | location of the interface initialization function
-}
    clearInterfaceInfoInterfaceInit         ,
    getInterfaceInfoInterfaceInit           ,
#if ENABLE_OVERLOADING
    interfaceInfo_interfaceInit             ,
#endif
    setInterfaceInfoInterfaceInit           ,




    ) 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.GClosure as B.GClosure
import qualified Data.GI.Base.GError as B.GError
import qualified Data.GI.Base.GVariant as B.GVariant
import qualified Data.GI.Base.GValue as B.GValue
import qualified Data.GI.Base.GParamSpec as B.GParamSpec
import qualified Data.GI.Base.CallStack as B.CallStack
import qualified Data.GI.Base.Properties as B.Properties
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 GHC.OverloadedLabels as OL

import qualified GI.GObject.Callbacks as GObject.Callbacks

-- | Memory-managed wrapper type.
newtype InterfaceInfo = InterfaceInfo (ManagedPtr InterfaceInfo)
instance WrappedPtr InterfaceInfo where
    wrappedPtrCalloc = callocBytes 24
    wrappedPtrCopy = \p -> withManagedPtr p (copyBytes 24 >=> wrapPtr InterfaceInfo)
    wrappedPtrFree = Just ptr_to_g_free

-- | Construct a `InterfaceInfo` struct initialized to zero.
newZeroInterfaceInfo :: MonadIO m => m InterfaceInfo
newZeroInterfaceInfo = liftIO $ wrappedPtrCalloc >>= wrapPtr InterfaceInfo

instance tag ~ 'AttrSet => Constructible InterfaceInfo tag where
    new _ attrs = do
        o <- newZeroInterfaceInfo
        GI.Attributes.set o attrs
        return o


-- | A convenience alias for `Nothing` :: `Maybe` `InterfaceInfo`.
noInterfaceInfo :: Maybe InterfaceInfo
noInterfaceInfo = Nothing

{- |
Get the value of the “@interface_init@” field.
When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to

@
'Data.GI.Base.Attributes.get' interfaceInfo #interfaceInit
@
-}
getInterfaceInfoInterfaceInit :: MonadIO m => InterfaceInfo -> m (Maybe GObject.Callbacks.InterfaceInitFunc)
getInterfaceInfoInterfaceInit s = liftIO $ withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 0) :: IO (FunPtr GObject.Callbacks.C_InterfaceInitFunc)
    result <- SP.convertFunPtrIfNonNull val $ \val' -> do
        let val'' = GObject.Callbacks.dynamic_InterfaceInitFunc val'
        return val''
    return result

{- |
Set the value of the “@interface_init@” field.
When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to

@
'Data.GI.Base.Attributes.set' interfaceInfo [ #interfaceInit 'Data.GI.Base.Attributes.:=' value ]
@
-}
setInterfaceInfoInterfaceInit :: MonadIO m => InterfaceInfo -> FunPtr GObject.Callbacks.C_InterfaceInitFunc -> m ()
setInterfaceInfoInterfaceInit s val = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 0) (val :: FunPtr GObject.Callbacks.C_InterfaceInitFunc)

{- |
Set the value of the “@interface_init@” field to `Nothing`.
When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to

@
'Data.GI.Base.Attributes.clear' #interfaceInit
@
-}
clearInterfaceInfoInterfaceInit :: MonadIO m => InterfaceInfo -> m ()
clearInterfaceInfoInterfaceInit s = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 0) (FP.nullFunPtr :: FunPtr GObject.Callbacks.C_InterfaceInitFunc)

#if ENABLE_OVERLOADING
data InterfaceInfoInterfaceInitFieldInfo
instance AttrInfo InterfaceInfoInterfaceInitFieldInfo where
    type AttrAllowedOps InterfaceInfoInterfaceInitFieldInfo = '[ 'AttrSet, 'AttrGet, 'AttrClear]
    type AttrSetTypeConstraint InterfaceInfoInterfaceInitFieldInfo = (~) (FunPtr GObject.Callbacks.C_InterfaceInitFunc)
    type AttrBaseTypeConstraint InterfaceInfoInterfaceInitFieldInfo = (~) InterfaceInfo
    type AttrGetType InterfaceInfoInterfaceInitFieldInfo = Maybe GObject.Callbacks.InterfaceInitFunc
    type AttrLabel InterfaceInfoInterfaceInitFieldInfo = "interface_init"
    type AttrOrigin InterfaceInfoInterfaceInitFieldInfo = InterfaceInfo
    attrGet _ = getInterfaceInfoInterfaceInit
    attrSet _ = setInterfaceInfoInterfaceInit
    attrConstruct = undefined
    attrClear _ = clearInterfaceInfoInterfaceInit

interfaceInfo_interfaceInit :: AttrLabelProxy "interfaceInit"
interfaceInfo_interfaceInit = AttrLabelProxy

#endif


{- |
Get the value of the “@interface_finalize@” field.
When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to

@
'Data.GI.Base.Attributes.get' interfaceInfo #interfaceFinalize
@
-}
getInterfaceInfoInterfaceFinalize :: MonadIO m => InterfaceInfo -> m (Maybe GObject.Callbacks.InterfaceFinalizeFunc)
getInterfaceInfoInterfaceFinalize s = liftIO $ withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 8) :: IO (FunPtr GObject.Callbacks.C_InterfaceFinalizeFunc)
    result <- SP.convertFunPtrIfNonNull val $ \val' -> do
        let val'' = GObject.Callbacks.dynamic_InterfaceFinalizeFunc val'
        return val''
    return result

{- |
Set the value of the “@interface_finalize@” field.
When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to

@
'Data.GI.Base.Attributes.set' interfaceInfo [ #interfaceFinalize 'Data.GI.Base.Attributes.:=' value ]
@
-}
setInterfaceInfoInterfaceFinalize :: MonadIO m => InterfaceInfo -> FunPtr GObject.Callbacks.C_InterfaceFinalizeFunc -> m ()
setInterfaceInfoInterfaceFinalize s val = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 8) (val :: FunPtr GObject.Callbacks.C_InterfaceFinalizeFunc)

{- |
Set the value of the “@interface_finalize@” field to `Nothing`.
When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to

@
'Data.GI.Base.Attributes.clear' #interfaceFinalize
@
-}
clearInterfaceInfoInterfaceFinalize :: MonadIO m => InterfaceInfo -> m ()
clearInterfaceInfoInterfaceFinalize s = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 8) (FP.nullFunPtr :: FunPtr GObject.Callbacks.C_InterfaceFinalizeFunc)

#if ENABLE_OVERLOADING
data InterfaceInfoInterfaceFinalizeFieldInfo
instance AttrInfo InterfaceInfoInterfaceFinalizeFieldInfo where
    type AttrAllowedOps InterfaceInfoInterfaceFinalizeFieldInfo = '[ 'AttrSet, 'AttrGet, 'AttrClear]
    type AttrSetTypeConstraint InterfaceInfoInterfaceFinalizeFieldInfo = (~) (FunPtr GObject.Callbacks.C_InterfaceFinalizeFunc)
    type AttrBaseTypeConstraint InterfaceInfoInterfaceFinalizeFieldInfo = (~) InterfaceInfo
    type AttrGetType InterfaceInfoInterfaceFinalizeFieldInfo = Maybe GObject.Callbacks.InterfaceFinalizeFunc
    type AttrLabel InterfaceInfoInterfaceFinalizeFieldInfo = "interface_finalize"
    type AttrOrigin InterfaceInfoInterfaceFinalizeFieldInfo = InterfaceInfo
    attrGet _ = getInterfaceInfoInterfaceFinalize
    attrSet _ = setInterfaceInfoInterfaceFinalize
    attrConstruct = undefined
    attrClear _ = clearInterfaceInfoInterfaceFinalize

interfaceInfo_interfaceFinalize :: AttrLabelProxy "interfaceFinalize"
interfaceInfo_interfaceFinalize = AttrLabelProxy

#endif


{- |
Get the value of the “@interface_data@” field.
When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to

@
'Data.GI.Base.Attributes.get' interfaceInfo #interfaceData
@
-}
getInterfaceInfoInterfaceData :: MonadIO m => InterfaceInfo -> m (Ptr ())
getInterfaceInfoInterfaceData s = liftIO $ withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 16) :: IO (Ptr ())
    return val

{- |
Set the value of the “@interface_data@” field.
When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to

@
'Data.GI.Base.Attributes.set' interfaceInfo [ #interfaceData 'Data.GI.Base.Attributes.:=' value ]
@
-}
setInterfaceInfoInterfaceData :: MonadIO m => InterfaceInfo -> Ptr () -> m ()
setInterfaceInfoInterfaceData s val = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 16) (val :: Ptr ())

{- |
Set the value of the “@interface_data@” field to `Nothing`.
When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to

@
'Data.GI.Base.Attributes.clear' #interfaceData
@
-}
clearInterfaceInfoInterfaceData :: MonadIO m => InterfaceInfo -> m ()
clearInterfaceInfoInterfaceData s = liftIO $ withManagedPtr s $ \ptr -> do
    poke (ptr `plusPtr` 16) (FP.nullPtr :: Ptr ())

#if ENABLE_OVERLOADING
data InterfaceInfoInterfaceDataFieldInfo
instance AttrInfo InterfaceInfoInterfaceDataFieldInfo where
    type AttrAllowedOps InterfaceInfoInterfaceDataFieldInfo = '[ 'AttrSet, 'AttrGet, 'AttrClear]
    type AttrSetTypeConstraint InterfaceInfoInterfaceDataFieldInfo = (~) (Ptr ())
    type AttrBaseTypeConstraint InterfaceInfoInterfaceDataFieldInfo = (~) InterfaceInfo
    type AttrGetType InterfaceInfoInterfaceDataFieldInfo = Ptr ()
    type AttrLabel InterfaceInfoInterfaceDataFieldInfo = "interface_data"
    type AttrOrigin InterfaceInfoInterfaceDataFieldInfo = InterfaceInfo
    attrGet _ = getInterfaceInfoInterfaceData
    attrSet _ = setInterfaceInfoInterfaceData
    attrConstruct = undefined
    attrClear _ = clearInterfaceInfoInterfaceData

interfaceInfo_interfaceData :: AttrLabelProxy "interfaceData"
interfaceInfo_interfaceData = AttrLabelProxy

#endif



#if ENABLE_OVERLOADING
instance O.HasAttributeList InterfaceInfo
type instance O.AttributeList InterfaceInfo = InterfaceInfoAttributeList
type InterfaceInfoAttributeList = ('[ '("interfaceInit", InterfaceInfoInterfaceInitFieldInfo), '("interfaceFinalize", InterfaceInfoInterfaceFinalizeFieldInfo), '("interfaceData", InterfaceInfoInterfaceDataFieldInfo)] :: [(Symbol, *)])
#endif

#if ENABLE_OVERLOADING
type family ResolveInterfaceInfoMethod (t :: Symbol) (o :: *) :: * where
    ResolveInterfaceInfoMethod l o = O.MethodResolutionFailed l o

instance (info ~ ResolveInterfaceInfoMethod t InterfaceInfo, O.MethodInfo info InterfaceInfo p) => OL.IsLabel t (InterfaceInfo -> p) where
#if MIN_VERSION_base(4,10,0)
    fromLabel = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)
#else
    fromLabel _ = O.overloadedMethod (O.MethodProxy :: O.MethodProxy info)
#endif

#endif