{-# LANGUAGE TypeApplications #-}


-- | Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
-- License    : LGPL-2.1
-- Maintainer : Iñaki García Etxebarria
-- 
-- /No description available in the introspection data./

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

module GI.Gst.Objects.ValueList
    ( 

-- * Exported types
    ValueList(..)                           ,
    IsValueList                             ,
    toValueList                             ,


 -- * Methods
-- ** Overloaded methods #method:Overloaded methods#

#if defined(ENABLE_OVERLOADING)
    ResolveValueListMethod                  ,
#endif


-- ** appendAndTakeValue #method:appendAndTakeValue#

    valueListAppendAndTakeValue             ,


-- ** appendValue #method:appendValue#

    valueListAppendValue                    ,


-- ** concat #method:concat#

    valueListConcat                         ,


-- ** getSize #method:getSize#

    valueListGetSize                        ,


-- ** getValue #method:getValue#

    valueListGetValue                       ,


-- ** merge #method:merge#

    valueListMerge                          ,


-- ** prependValue #method:prependValue#

    valueListPrependValue                   ,




    ) 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.BasicTypes as B.Types
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.GI.Base.Signals as B.Signals
import qualified Control.Monad.IO.Class as MIO
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


-- | Memory-managed wrapper type.
newtype ValueList = ValueList (SP.ManagedPtr ValueList)
    deriving (ValueList -> ValueList -> Bool
(ValueList -> ValueList -> Bool)
-> (ValueList -> ValueList -> Bool) -> Eq ValueList
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: ValueList -> ValueList -> Bool
$c/= :: ValueList -> ValueList -> Bool
== :: ValueList -> ValueList -> Bool
$c== :: ValueList -> ValueList -> Bool
Eq)

instance SP.ManagedPtrNewtype ValueList where
    toManagedPtr :: ValueList -> ManagedPtr ValueList
toManagedPtr (ValueList ManagedPtr ValueList
p) = ManagedPtr ValueList
p

foreign import ccall "gst_value_list_get_type"
    c_gst_value_list_get_type :: IO B.Types.GType

instance B.Types.TypedObject ValueList where
    glibType :: IO GType
glibType = IO GType
c_gst_value_list_get_type

-- | Type class for types which can be safely cast to `ValueList`, for instance with `toValueList`.
class (SP.BoxedPtr o, SP.TypedObject o, O.IsDescendantOf ValueList o) => IsValueList o
instance (SP.BoxedPtr o, SP.TypedObject o, O.IsDescendantOf ValueList o) => IsValueList o

instance O.HasParentTypes ValueList
type instance O.ParentTypes ValueList = '[]

-- | Cast to `ValueList`, for types for which this is known to be safe. For general casts, use `Data.GI.Base.ManagedPtr.castTo`.
toValueList :: (MonadIO m, IsValueList o) => o -> m ValueList
toValueList :: o -> m ValueList
toValueList = IO ValueList -> m ValueList
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO ValueList -> m ValueList)
-> (o -> IO ValueList) -> o -> m ValueList
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (ManagedPtr ValueList -> ValueList) -> o -> IO ValueList
forall o o'.
(HasCallStack, ManagedPtrNewtype o, TypedObject o,
 ManagedPtrNewtype o', TypedObject o') =>
(ManagedPtr o' -> o') -> o -> IO o'
unsafeCastTo ManagedPtr ValueList -> ValueList
ValueList

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

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

#endif

-- XXX Wrapping a foreign struct/union with no known destructor or size, leak?
instance BoxedPtr ValueList where
    boxedPtrCopy :: ValueList -> IO ValueList
boxedPtrCopy = ValueList -> IO ValueList
forall (m :: * -> *) a. Monad m => a -> m a
return
    boxedPtrFree :: ValueList -> IO ()
boxedPtrFree = \ValueList
_x -> () -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()


-- method ValueList::append_and_take_value
-- method type : MemberFunction
-- Args: [ Arg
--           { argCName = "value"
--           , argType = TGValue
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "a #GValue of type #GST_TYPE_LIST"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       , Arg
--           { argCName = "append_value"
--           , argType = TGValue
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "the value to append"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferEverything
--           }
--       ]
-- Lengths: []
-- returnType: Nothing
-- throws : False
-- Skip return : False

foreign import ccall "gst_value_list_append_and_take_value" gst_value_list_append_and_take_value :: 
    Ptr GValue ->                           -- value : TGValue
    Ptr GValue ->                           -- append_value : TGValue
    IO ()

-- | Appends /@appendValue@/ to the GstValueList in /@value@/.
-- 
-- /Since: 1.2/
valueListAppendAndTakeValue ::
    (B.CallStack.HasCallStack, MonadIO m) =>
    GValue
    -- ^ /@value@/: a t'GI.GObject.Structs.Value.Value' of type @/GST_TYPE_LIST/@
    -> GValue
    -- ^ /@appendValue@/: the value to append
    -> m ()
valueListAppendAndTakeValue :: GValue -> GValue -> m ()
valueListAppendAndTakeValue GValue
value GValue
appendValue = IO () -> m ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO () -> m ()) -> IO () -> m ()
forall a b. (a -> b) -> a -> b
$ do
    Ptr GValue
value' <- GValue -> IO (Ptr GValue)
forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr GValue
value
    Ptr GValue
appendValue' <- GValue -> IO (Ptr GValue)
B.GValue.disownGValue GValue
appendValue
    Ptr GValue -> Ptr GValue -> IO ()
gst_value_list_append_and_take_value Ptr GValue
value' Ptr GValue
appendValue'
    GValue -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr GValue
value
    GValue -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr GValue
appendValue
    Ptr GValue -> IO ()
B.GValue.unsetGValue Ptr GValue
value'
    () -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()

#if defined(ENABLE_OVERLOADING)
#endif

-- method ValueList::append_value
-- method type : MemberFunction
-- Args: [ Arg
--           { argCName = "value"
--           , argType = TGValue
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "a #GValue of type #GST_TYPE_LIST"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       , Arg
--           { argCName = "append_value"
--           , argType = TGValue
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "the value to append"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: []
-- returnType: Nothing
-- throws : False
-- Skip return : False

foreign import ccall "gst_value_list_append_value" gst_value_list_append_value :: 
    Ptr GValue ->                           -- value : TGValue
    Ptr GValue ->                           -- append_value : TGValue
    IO ()

-- | Appends /@appendValue@/ to the GstValueList in /@value@/.
valueListAppendValue ::
    (B.CallStack.HasCallStack, MonadIO m) =>
    GValue
    -- ^ /@value@/: a t'GI.GObject.Structs.Value.Value' of type @/GST_TYPE_LIST/@
    -> GValue
    -- ^ /@appendValue@/: the value to append
    -> m ()
valueListAppendValue :: GValue -> GValue -> m ()
valueListAppendValue GValue
value GValue
appendValue = IO () -> m ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO () -> m ()) -> IO () -> m ()
forall a b. (a -> b) -> a -> b
$ do
    Ptr GValue
value' <- GValue -> IO (Ptr GValue)
forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr GValue
value
    Ptr GValue
appendValue' <- GValue -> IO (Ptr GValue)
forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr GValue
appendValue
    Ptr GValue -> Ptr GValue -> IO ()
gst_value_list_append_value Ptr GValue
value' Ptr GValue
appendValue'
    GValue -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr GValue
value
    GValue -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr GValue
appendValue
    Ptr GValue -> IO ()
B.GValue.unsetGValue Ptr GValue
value'
    Ptr GValue -> IO ()
B.GValue.unsetGValue Ptr GValue
appendValue'
    () -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()

#if defined(ENABLE_OVERLOADING)
#endif

-- method ValueList::concat
-- method type : MemberFunction
-- Args: [ Arg
--           { argCName = "dest"
--           , argType = TGValue
--           , direction = DirectionOut
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "an uninitialized #GValue to take the result"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = True
--           , transfer = TransferNothing
--           }
--       , Arg
--           { argCName = "value1"
--           , argType = TGValue
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "a #GValue" , sinceVersion = Nothing }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       , Arg
--           { argCName = "value2"
--           , argType = TGValue
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "a #GValue" , sinceVersion = Nothing }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: []
-- returnType: Nothing
-- throws : False
-- Skip return : False

foreign import ccall "gst_value_list_concat" gst_value_list_concat :: 
    Ptr GValue ->                           -- dest : TGValue
    Ptr GValue ->                           -- value1 : TGValue
    Ptr GValue ->                           -- value2 : TGValue
    IO ()

-- | Concatenates copies of /@value1@/ and /@value2@/ into a list.  Values that are not
-- of type @/GST_TYPE_LIST/@ are treated as if they were lists of length 1.
-- /@dest@/ will be initialized to the type @/GST_TYPE_LIST/@.
valueListConcat ::
    (B.CallStack.HasCallStack, MonadIO m) =>
    GValue
    -- ^ /@value1@/: a t'GI.GObject.Structs.Value.Value'
    -> GValue
    -- ^ /@value2@/: a t'GI.GObject.Structs.Value.Value'
    -> m (GValue)
valueListConcat :: GValue -> GValue -> m GValue
valueListConcat GValue
value1 GValue
value2 = IO GValue -> m GValue
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO GValue -> m GValue) -> IO GValue -> m GValue
forall a b. (a -> b) -> a -> b
$ do
    Ptr GValue
dest <- Int -> IO (Ptr GValue)
forall a. Int -> IO (Ptr a)
SP.callocBytes Int
24 :: IO (Ptr GValue)
    Ptr GValue
value1' <- GValue -> IO (Ptr GValue)
forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr GValue
value1
    Ptr GValue
value2' <- GValue -> IO (Ptr GValue)
forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr GValue
value2
    Ptr GValue -> Ptr GValue -> Ptr GValue -> IO ()
gst_value_list_concat Ptr GValue
dest Ptr GValue
value1' Ptr GValue
value2'
    GValue
dest' <- Ptr GValue -> IO GValue
B.GValue.wrapGValuePtr Ptr GValue
dest
    Ptr GValue -> IO ()
B.GValue.unsetGValue Ptr GValue
dest
    GValue -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr GValue
value1
    GValue -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr GValue
value2
    Ptr GValue -> IO ()
B.GValue.unsetGValue Ptr GValue
value1'
    Ptr GValue -> IO ()
B.GValue.unsetGValue Ptr GValue
value2'
    GValue -> IO GValue
forall (m :: * -> *) a. Monad m => a -> m a
return GValue
dest'

#if defined(ENABLE_OVERLOADING)
#endif

-- method ValueList::get_size
-- method type : MemberFunction
-- Args: [ Arg
--           { argCName = "value"
--           , argType = TGValue
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "a #GValue of type #GST_TYPE_LIST"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: []
-- returnType: Just (TBasicType TUInt)
-- throws : False
-- Skip return : False

foreign import ccall "gst_value_list_get_size" gst_value_list_get_size :: 
    Ptr GValue ->                           -- value : TGValue
    IO Word32

-- | Gets the number of values contained in /@value@/.
valueListGetSize ::
    (B.CallStack.HasCallStack, MonadIO m) =>
    GValue
    -- ^ /@value@/: a t'GI.GObject.Structs.Value.Value' of type @/GST_TYPE_LIST/@
    -> m Word32
    -- ^ __Returns:__ the number of values
valueListGetSize :: GValue -> m Word32
valueListGetSize GValue
value = IO Word32 -> m Word32
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO Word32 -> m Word32) -> IO Word32 -> m Word32
forall a b. (a -> b) -> a -> b
$ do
    Ptr GValue
value' <- GValue -> IO (Ptr GValue)
forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr GValue
value
    Word32
result <- Ptr GValue -> IO Word32
gst_value_list_get_size Ptr GValue
value'
    GValue -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr GValue
value
    Ptr GValue -> IO ()
B.GValue.unsetGValue Ptr GValue
value'
    Word32 -> IO Word32
forall (m :: * -> *) a. Monad m => a -> m a
return Word32
result

#if defined(ENABLE_OVERLOADING)
#endif

-- method ValueList::get_value
-- method type : MemberFunction
-- Args: [ Arg
--           { argCName = "value"
--           , argType = TGValue
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "a #GValue of type #GST_TYPE_LIST"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       , Arg
--           { argCName = "index"
--           , argType = TBasicType TUInt
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "index of value to get from the list"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: []
-- returnType: Just TGValue
-- throws : False
-- Skip return : False

foreign import ccall "gst_value_list_get_value" gst_value_list_get_value :: 
    Ptr GValue ->                           -- value : TGValue
    Word32 ->                               -- index : TBasicType TUInt
    IO (Ptr GValue)

-- | Gets the value that is a member of the list contained in /@value@/ and
-- has the index /@index@/.
valueListGetValue ::
    (B.CallStack.HasCallStack, MonadIO m) =>
    GValue
    -- ^ /@value@/: a t'GI.GObject.Structs.Value.Value' of type @/GST_TYPE_LIST/@
    -> Word32
    -- ^ /@index@/: index of value to get from the list
    -> m GValue
    -- ^ __Returns:__ the value at the given index
valueListGetValue :: GValue -> Word32 -> m GValue
valueListGetValue GValue
value Word32
index = IO GValue -> m GValue
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO GValue -> m GValue) -> IO GValue -> m GValue
forall a b. (a -> b) -> a -> b
$ do
    Ptr GValue
value' <- GValue -> IO (Ptr GValue)
forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr GValue
value
    Ptr GValue
result <- Ptr GValue -> Word32 -> IO (Ptr GValue)
gst_value_list_get_value Ptr GValue
value' Word32
index
    Text -> Ptr GValue -> IO ()
forall a. HasCallStack => Text -> Ptr a -> IO ()
checkUnexpectedReturnNULL Text
"valueListGetValue" Ptr GValue
result
    GValue
result' <- Ptr GValue -> IO GValue
B.GValue.newGValueFromPtr Ptr GValue
result
    GValue -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr GValue
value
    Ptr GValue -> IO ()
B.GValue.unsetGValue Ptr GValue
value'
    GValue -> IO GValue
forall (m :: * -> *) a. Monad m => a -> m a
return GValue
result'

#if defined(ENABLE_OVERLOADING)
#endif

-- method ValueList::merge
-- method type : MemberFunction
-- Args: [ Arg
--           { argCName = "dest"
--           , argType = TGValue
--           , direction = DirectionOut
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "an uninitialized #GValue to take the result"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = True
--           , transfer = TransferNothing
--           }
--       , Arg
--           { argCName = "value1"
--           , argType = TGValue
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "a #GValue" , sinceVersion = Nothing }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       , Arg
--           { argCName = "value2"
--           , argType = TGValue
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "a #GValue" , sinceVersion = Nothing }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: []
-- returnType: Nothing
-- throws : False
-- Skip return : False

foreign import ccall "gst_value_list_merge" gst_value_list_merge :: 
    Ptr GValue ->                           -- dest : TGValue
    Ptr GValue ->                           -- value1 : TGValue
    Ptr GValue ->                           -- value2 : TGValue
    IO ()

-- | Merges copies of /@value1@/ and /@value2@/.  Values that are not
-- of type @/GST_TYPE_LIST/@ are treated as if they were lists of length 1.
-- 
-- The result will be put into /@dest@/ and will either be a list that will not
-- contain any duplicates, or a non-list type (if /@value1@/ and /@value2@/
-- were equal).
valueListMerge ::
    (B.CallStack.HasCallStack, MonadIO m) =>
    GValue
    -- ^ /@value1@/: a t'GI.GObject.Structs.Value.Value'
    -> GValue
    -- ^ /@value2@/: a t'GI.GObject.Structs.Value.Value'
    -> m (GValue)
valueListMerge :: GValue -> GValue -> m GValue
valueListMerge GValue
value1 GValue
value2 = IO GValue -> m GValue
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO GValue -> m GValue) -> IO GValue -> m GValue
forall a b. (a -> b) -> a -> b
$ do
    Ptr GValue
dest <- Int -> IO (Ptr GValue)
forall a. Int -> IO (Ptr a)
SP.callocBytes Int
24 :: IO (Ptr GValue)
    Ptr GValue
value1' <- GValue -> IO (Ptr GValue)
forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr GValue
value1
    Ptr GValue
value2' <- GValue -> IO (Ptr GValue)
forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr GValue
value2
    Ptr GValue -> Ptr GValue -> Ptr GValue -> IO ()
gst_value_list_merge Ptr GValue
dest Ptr GValue
value1' Ptr GValue
value2'
    GValue
dest' <- Ptr GValue -> IO GValue
B.GValue.wrapGValuePtr Ptr GValue
dest
    Ptr GValue -> IO ()
B.GValue.unsetGValue Ptr GValue
dest
    GValue -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr GValue
value1
    GValue -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr GValue
value2
    Ptr GValue -> IO ()
B.GValue.unsetGValue Ptr GValue
value1'
    Ptr GValue -> IO ()
B.GValue.unsetGValue Ptr GValue
value2'
    GValue -> IO GValue
forall (m :: * -> *) a. Monad m => a -> m a
return GValue
dest'

#if defined(ENABLE_OVERLOADING)
#endif

-- method ValueList::prepend_value
-- method type : MemberFunction
-- Args: [ Arg
--           { argCName = "value"
--           , argType = TGValue
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "a #GValue of type #GST_TYPE_LIST"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       , Arg
--           { argCName = "prepend_value"
--           , argType = TGValue
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "the value to prepend"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: []
-- returnType: Nothing
-- throws : False
-- Skip return : False

foreign import ccall "gst_value_list_prepend_value" gst_value_list_prepend_value :: 
    Ptr GValue ->                           -- value : TGValue
    Ptr GValue ->                           -- prepend_value : TGValue
    IO ()

-- | Prepends /@prependValue@/ to the GstValueList in /@value@/.
valueListPrependValue ::
    (B.CallStack.HasCallStack, MonadIO m) =>
    GValue
    -- ^ /@value@/: a t'GI.GObject.Structs.Value.Value' of type @/GST_TYPE_LIST/@
    -> GValue
    -- ^ /@prependValue@/: the value to prepend
    -> m ()
valueListPrependValue :: GValue -> GValue -> m ()
valueListPrependValue GValue
value GValue
prependValue = IO () -> m ()
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO () -> m ()) -> IO () -> m ()
forall a b. (a -> b) -> a -> b
$ do
    Ptr GValue
value' <- GValue -> IO (Ptr GValue)
forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr GValue
value
    Ptr GValue
prependValue' <- GValue -> IO (Ptr GValue)
forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr GValue
prependValue
    Ptr GValue -> Ptr GValue -> IO ()
gst_value_list_prepend_value Ptr GValue
value' Ptr GValue
prependValue'
    GValue -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr GValue
value
    GValue -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr GValue
prependValue
    Ptr GValue -> IO ()
B.GValue.unsetGValue Ptr GValue
value'
    Ptr GValue -> IO ()
B.GValue.unsetGValue Ptr GValue
prependValue'
    () -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()

#if defined(ENABLE_OVERLOADING)
#endif