{-# 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.Poppler.Structs.LayersIter
    ( 

-- * Exported types
    LayersIter(..)                          ,
    noLayersIter                            ,


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

#if defined(ENABLE_OVERLOADING)
    ResolveLayersIterMethod                 ,
#endif


-- ** copy #method:copy#

#if defined(ENABLE_OVERLOADING)
    LayersIterCopyMethodInfo                ,
#endif
    layersIterCopy                          ,


-- ** free #method:free#

#if defined(ENABLE_OVERLOADING)
    LayersIterFreeMethodInfo                ,
#endif
    layersIterFree                          ,


-- ** getChild #method:getChild#

#if defined(ENABLE_OVERLOADING)
    LayersIterGetChildMethodInfo            ,
#endif
    layersIterGetChild                      ,


-- ** getLayer #method:getLayer#

#if defined(ENABLE_OVERLOADING)
    LayersIterGetLayerMethodInfo            ,
#endif
    layersIterGetLayer                      ,


-- ** getTitle #method:getTitle#

#if defined(ENABLE_OVERLOADING)
    LayersIterGetTitleMethodInfo            ,
#endif
    layersIterGetTitle                      ,


-- ** new #method:new#

    layersIterNew                           ,


-- ** next #method:next#

#if defined(ENABLE_OVERLOADING)
    LayersIterNextMethodInfo                ,
#endif
    layersIterNext                          ,




    ) 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.GI.Base.Signals as B.Signals
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 {-# SOURCE #-} qualified GI.Poppler.Objects.Document as Poppler.Document
import {-# SOURCE #-} qualified GI.Poppler.Objects.Layer as Poppler.Layer

-- | Memory-managed wrapper type.
newtype LayersIter = LayersIter (ManagedPtr LayersIter)
    deriving (LayersIter -> LayersIter -> Bool
(LayersIter -> LayersIter -> Bool)
-> (LayersIter -> LayersIter -> Bool) -> Eq LayersIter
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: LayersIter -> LayersIter -> Bool
$c/= :: LayersIter -> LayersIter -> Bool
== :: LayersIter -> LayersIter -> Bool
$c== :: LayersIter -> LayersIter -> Bool
Eq)
foreign import ccall "poppler_layers_iter_get_type" c_poppler_layers_iter_get_type :: 
    IO GType

instance BoxedObject LayersIter where
    boxedType :: LayersIter -> IO GType
boxedType _ = IO GType
c_poppler_layers_iter_get_type

-- | Convert 'LayersIter' to and from 'Data.GI.Base.GValue.GValue' with 'Data.GI.Base.GValue.toGValue' and 'Data.GI.Base.GValue.fromGValue'.
instance B.GValue.IsGValue LayersIter where
    toGValue :: LayersIter -> IO GValue
toGValue o :: LayersIter
o = do
        GType
gtype <- IO GType
c_poppler_layers_iter_get_type
        LayersIter -> (Ptr LayersIter -> IO GValue) -> IO GValue
forall a c.
(HasCallStack, ManagedPtrNewtype a) =>
a -> (Ptr a -> IO c) -> IO c
B.ManagedPtr.withManagedPtr LayersIter
o (GType
-> (GValue -> Ptr LayersIter -> IO ())
-> Ptr LayersIter
-> IO GValue
forall a. GType -> (GValue -> a -> IO ()) -> a -> IO GValue
B.GValue.buildGValue GType
gtype GValue -> Ptr LayersIter -> IO ()
forall a. GValue -> Ptr a -> IO ()
B.GValue.set_boxed)
        
    fromGValue :: GValue -> IO LayersIter
fromGValue gv :: GValue
gv = do
        Ptr LayersIter
ptr <- GValue -> IO (Ptr LayersIter)
forall b. GValue -> IO (Ptr b)
B.GValue.get_boxed GValue
gv :: IO (Ptr LayersIter)
        (ManagedPtr LayersIter -> LayersIter)
-> Ptr LayersIter -> IO LayersIter
forall a.
(HasCallStack, BoxedObject a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
B.ManagedPtr.newBoxed ManagedPtr LayersIter -> LayersIter
LayersIter Ptr LayersIter
ptr
        
    

-- | A convenience alias for `Nothing` :: `Maybe` `LayersIter`.
noLayersIter :: Maybe LayersIter
noLayersIter :: Maybe LayersIter
noLayersIter = Maybe LayersIter
forall a. Maybe a
Nothing


#if defined(ENABLE_OVERLOADING)
instance O.HasAttributeList LayersIter
type instance O.AttributeList LayersIter = LayersIterAttributeList
type LayersIterAttributeList = ('[ ] :: [(Symbol, *)])
#endif

-- method LayersIter::new
-- method type : Constructor
-- Args: [ Arg
--           { argCName = "document"
--           , argType =
--               TInterface Name { namespace = "Poppler" , name = "Document" }
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "a #PopplerDocument" , sinceVersion = Nothing }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: []
-- returnType: Just
--               (TInterface Name { namespace = "Poppler" , name = "LayersIter" })
-- throws : False
-- Skip return : False

foreign import ccall "poppler_layers_iter_new" poppler_layers_iter_new :: 
    Ptr Poppler.Document.Document ->        -- document : TInterface (Name {namespace = "Poppler", name = "Document"})
    IO (Ptr LayersIter)

-- | /No description available in the introspection data./
-- 
-- /Since: 0.12/
layersIterNew ::
    (B.CallStack.HasCallStack, MonadIO m, Poppler.Document.IsDocument a) =>
    a
    -- ^ /@document@/: a t'GI.Poppler.Objects.Document.Document'
    -> m LayersIter
layersIterNew :: a -> m LayersIter
layersIterNew document :: a
document = IO LayersIter -> m LayersIter
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO LayersIter -> m LayersIter) -> IO LayersIter -> m LayersIter
forall a b. (a -> b) -> a -> b
$ do
    Ptr Document
document' <- a -> IO (Ptr Document)
forall a b. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr b)
unsafeManagedPtrCastPtr a
document
    Ptr LayersIter
result <- Ptr Document -> IO (Ptr LayersIter)
poppler_layers_iter_new Ptr Document
document'
    Text -> Ptr LayersIter -> IO ()
forall a. HasCallStack => Text -> Ptr a -> IO ()
checkUnexpectedReturnNULL "layersIterNew" Ptr LayersIter
result
    LayersIter
result' <- ((ManagedPtr LayersIter -> LayersIter)
-> Ptr LayersIter -> IO LayersIter
forall a.
(HasCallStack, BoxedObject a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
wrapBoxed ManagedPtr LayersIter -> LayersIter
LayersIter) Ptr LayersIter
result
    a -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr a
document
    LayersIter -> IO LayersIter
forall (m :: * -> *) a. Monad m => a -> m a
return LayersIter
result'

#if defined(ENABLE_OVERLOADING)
#endif

-- method LayersIter::copy
-- method type : OrdinaryMethod
-- Args: [ Arg
--           { argCName = "iter"
--           , argType =
--               TInterface Name { namespace = "Poppler" , name = "LayersIter" }
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "a #PopplerLayersIter"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: []
-- returnType: Just
--               (TInterface Name { namespace = "Poppler" , name = "LayersIter" })
-- throws : False
-- Skip return : False

foreign import ccall "poppler_layers_iter_copy" poppler_layers_iter_copy :: 
    Ptr LayersIter ->                       -- iter : TInterface (Name {namespace = "Poppler", name = "LayersIter"})
    IO (Ptr LayersIter)

-- | Creates a new t'GI.Poppler.Structs.LayersIter.LayersIter' as a copy of /@iter@/.  This must be freed with
-- 'GI.Poppler.Structs.LayersIter.layersIterFree'.
layersIterCopy ::
    (B.CallStack.HasCallStack, MonadIO m) =>
    LayersIter
    -- ^ /@iter@/: a t'GI.Poppler.Structs.LayersIter.LayersIter'
    -> m LayersIter
    -- ^ __Returns:__ a new t'GI.Poppler.Structs.LayersIter.LayersIter'
    -- 
    -- Since 0.12
layersIterCopy :: LayersIter -> m LayersIter
layersIterCopy iter :: LayersIter
iter = IO LayersIter -> m LayersIter
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO LayersIter -> m LayersIter) -> IO LayersIter -> m LayersIter
forall a b. (a -> b) -> a -> b
$ do
    Ptr LayersIter
iter' <- LayersIter -> IO (Ptr LayersIter)
forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr LayersIter
iter
    Ptr LayersIter
result <- Ptr LayersIter -> IO (Ptr LayersIter)
poppler_layers_iter_copy Ptr LayersIter
iter'
    Text -> Ptr LayersIter -> IO ()
forall a. HasCallStack => Text -> Ptr a -> IO ()
checkUnexpectedReturnNULL "layersIterCopy" Ptr LayersIter
result
    LayersIter
result' <- ((ManagedPtr LayersIter -> LayersIter)
-> Ptr LayersIter -> IO LayersIter
forall a.
(HasCallStack, BoxedObject a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
wrapBoxed ManagedPtr LayersIter -> LayersIter
LayersIter) Ptr LayersIter
result
    LayersIter -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr LayersIter
iter
    LayersIter -> IO LayersIter
forall (m :: * -> *) a. Monad m => a -> m a
return LayersIter
result'

#if defined(ENABLE_OVERLOADING)
data LayersIterCopyMethodInfo
instance (signature ~ (m LayersIter), MonadIO m) => O.MethodInfo LayersIterCopyMethodInfo LayersIter signature where
    overloadedMethod = layersIterCopy

#endif

-- method LayersIter::free
-- method type : OrdinaryMethod
-- Args: [ Arg
--           { argCName = "iter"
--           , argType =
--               TInterface Name { namespace = "Poppler" , name = "LayersIter" }
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "a #PopplerLayersIter"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: []
-- returnType: Nothing
-- throws : False
-- Skip return : False

foreign import ccall "poppler_layers_iter_free" poppler_layers_iter_free :: 
    Ptr LayersIter ->                       -- iter : TInterface (Name {namespace = "Poppler", name = "LayersIter"})
    IO ()

-- | Frees /@iter@/.
-- 
-- /Since: 0.12/
layersIterFree ::
    (B.CallStack.HasCallStack, MonadIO m) =>
    LayersIter
    -- ^ /@iter@/: a t'GI.Poppler.Structs.LayersIter.LayersIter'
    -> m ()
layersIterFree :: LayersIter -> m ()
layersIterFree iter :: LayersIter
iter = 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 LayersIter
iter' <- LayersIter -> IO (Ptr LayersIter)
forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr LayersIter
iter
    Ptr LayersIter -> IO ()
poppler_layers_iter_free Ptr LayersIter
iter'
    LayersIter -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr LayersIter
iter
    () -> IO ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()

#if defined(ENABLE_OVERLOADING)
data LayersIterFreeMethodInfo
instance (signature ~ (m ()), MonadIO m) => O.MethodInfo LayersIterFreeMethodInfo LayersIter signature where
    overloadedMethod = layersIterFree

#endif

-- method LayersIter::get_child
-- method type : OrdinaryMethod
-- Args: [ Arg
--           { argCName = "parent"
--           , argType =
--               TInterface Name { namespace = "Poppler" , name = "LayersIter" }
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "a #PopplerLayersIter"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: []
-- returnType: Just
--               (TInterface Name { namespace = "Poppler" , name = "LayersIter" })
-- throws : False
-- Skip return : False

foreign import ccall "poppler_layers_iter_get_child" poppler_layers_iter_get_child :: 
    Ptr LayersIter ->                       -- parent : TInterface (Name {namespace = "Poppler", name = "LayersIter"})
    IO (Ptr LayersIter)

-- | Returns a newly created child of /@parent@/, or 'P.Nothing' if the iter has no child.
-- See 'GI.Poppler.Structs.LayersIter.layersIterNew' for more information on this function.
-- 
-- /Since: 0.12/
layersIterGetChild ::
    (B.CallStack.HasCallStack, MonadIO m) =>
    LayersIter
    -- ^ /@parent@/: a t'GI.Poppler.Structs.LayersIter.LayersIter'
    -> m LayersIter
    -- ^ __Returns:__ a new t'GI.Poppler.Structs.LayersIter.LayersIter', or 'P.Nothing'
layersIterGetChild :: LayersIter -> m LayersIter
layersIterGetChild parent :: LayersIter
parent = IO LayersIter -> m LayersIter
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO LayersIter -> m LayersIter) -> IO LayersIter -> m LayersIter
forall a b. (a -> b) -> a -> b
$ do
    Ptr LayersIter
parent' <- LayersIter -> IO (Ptr LayersIter)
forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr LayersIter
parent
    Ptr LayersIter
result <- Ptr LayersIter -> IO (Ptr LayersIter)
poppler_layers_iter_get_child Ptr LayersIter
parent'
    Text -> Ptr LayersIter -> IO ()
forall a. HasCallStack => Text -> Ptr a -> IO ()
checkUnexpectedReturnNULL "layersIterGetChild" Ptr LayersIter
result
    LayersIter
result' <- ((ManagedPtr LayersIter -> LayersIter)
-> Ptr LayersIter -> IO LayersIter
forall a.
(HasCallStack, BoxedObject a) =>
(ManagedPtr a -> a) -> Ptr a -> IO a
wrapBoxed ManagedPtr LayersIter -> LayersIter
LayersIter) Ptr LayersIter
result
    LayersIter -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr LayersIter
parent
    LayersIter -> IO LayersIter
forall (m :: * -> *) a. Monad m => a -> m a
return LayersIter
result'

#if defined(ENABLE_OVERLOADING)
data LayersIterGetChildMethodInfo
instance (signature ~ (m LayersIter), MonadIO m) => O.MethodInfo LayersIterGetChildMethodInfo LayersIter signature where
    overloadedMethod = layersIterGetChild

#endif

-- method LayersIter::get_layer
-- method type : OrdinaryMethod
-- Args: [ Arg
--           { argCName = "iter"
--           , argType =
--               TInterface Name { namespace = "Poppler" , name = "LayersIter" }
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "a #PopplerLayersIter"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: []
-- returnType: Just (TInterface Name { namespace = "Poppler" , name = "Layer" })
-- throws : False
-- Skip return : False

foreign import ccall "poppler_layers_iter_get_layer" poppler_layers_iter_get_layer :: 
    Ptr LayersIter ->                       -- iter : TInterface (Name {namespace = "Poppler", name = "LayersIter"})
    IO (Ptr Poppler.Layer.Layer)

-- | Returns the t'GI.Poppler.Objects.Layer.Layer' associated with /@iter@/.
-- 
-- /Since: 0.12/
layersIterGetLayer ::
    (B.CallStack.HasCallStack, MonadIO m) =>
    LayersIter
    -- ^ /@iter@/: a t'GI.Poppler.Structs.LayersIter.LayersIter'
    -> m Poppler.Layer.Layer
    -- ^ __Returns:__ a new t'GI.Poppler.Objects.Layer.Layer', or 'P.Nothing' if
    -- there isn\'t any layer associated with /@iter@/
layersIterGetLayer :: LayersIter -> m Layer
layersIterGetLayer iter :: LayersIter
iter = IO Layer -> m Layer
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO Layer -> m Layer) -> IO Layer -> m Layer
forall a b. (a -> b) -> a -> b
$ do
    Ptr LayersIter
iter' <- LayersIter -> IO (Ptr LayersIter)
forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr LayersIter
iter
    Ptr Layer
result <- Ptr LayersIter -> IO (Ptr Layer)
poppler_layers_iter_get_layer Ptr LayersIter
iter'
    Text -> Ptr Layer -> IO ()
forall a. HasCallStack => Text -> Ptr a -> IO ()
checkUnexpectedReturnNULL "layersIterGetLayer" Ptr Layer
result
    Layer
result' <- ((ManagedPtr Layer -> Layer) -> Ptr Layer -> IO Layer
forall a b.
(HasCallStack, GObject a, GObject b) =>
(ManagedPtr a -> a) -> Ptr b -> IO a
wrapObject ManagedPtr Layer -> Layer
Poppler.Layer.Layer) Ptr Layer
result
    LayersIter -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr LayersIter
iter
    Layer -> IO Layer
forall (m :: * -> *) a. Monad m => a -> m a
return Layer
result'

#if defined(ENABLE_OVERLOADING)
data LayersIterGetLayerMethodInfo
instance (signature ~ (m Poppler.Layer.Layer), MonadIO m) => O.MethodInfo LayersIterGetLayerMethodInfo LayersIter signature where
    overloadedMethod = layersIterGetLayer

#endif

-- method LayersIter::get_title
-- method type : OrdinaryMethod
-- Args: [ Arg
--           { argCName = "iter"
--           , argType =
--               TInterface Name { namespace = "Poppler" , name = "LayersIter" }
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "a #PopplerLayersIter"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: []
-- returnType: Just (TBasicType TUTF8)
-- throws : False
-- Skip return : False

foreign import ccall "poppler_layers_iter_get_title" poppler_layers_iter_get_title :: 
    Ptr LayersIter ->                       -- iter : TInterface (Name {namespace = "Poppler", name = "LayersIter"})
    IO CString

-- | Returns the title associated with /@iter@/.  It must be freed with
-- 'GI.GLib.Functions.free'.
-- 
-- /Since: 0.12/
layersIterGetTitle ::
    (B.CallStack.HasCallStack, MonadIO m) =>
    LayersIter
    -- ^ /@iter@/: a t'GI.Poppler.Structs.LayersIter.LayersIter'
    -> m T.Text
    -- ^ __Returns:__ a new string containing the /@iter@/\'s title or 'P.Nothing' if /@iter@/ doesn\'t have a title.
    -- The returned string should be freed with 'GI.GLib.Functions.free' when no longer needed.
layersIterGetTitle :: LayersIter -> m Text
layersIterGetTitle iter :: LayersIter
iter = IO Text -> m Text
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO Text -> m Text) -> IO Text -> m Text
forall a b. (a -> b) -> a -> b
$ do
    Ptr LayersIter
iter' <- LayersIter -> IO (Ptr LayersIter)
forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr LayersIter
iter
    CString
result <- Ptr LayersIter -> IO CString
poppler_layers_iter_get_title Ptr LayersIter
iter'
    Text -> CString -> IO ()
forall a. HasCallStack => Text -> Ptr a -> IO ()
checkUnexpectedReturnNULL "layersIterGetTitle" CString
result
    Text
result' <- HasCallStack => CString -> IO Text
CString -> IO Text
cstringToText CString
result
    CString -> IO ()
forall a. Ptr a -> IO ()
freeMem CString
result
    LayersIter -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr LayersIter
iter
    Text -> IO Text
forall (m :: * -> *) a. Monad m => a -> m a
return Text
result'

#if defined(ENABLE_OVERLOADING)
data LayersIterGetTitleMethodInfo
instance (signature ~ (m T.Text), MonadIO m) => O.MethodInfo LayersIterGetTitleMethodInfo LayersIter signature where
    overloadedMethod = layersIterGetTitle

#endif

-- method LayersIter::next
-- method type : OrdinaryMethod
-- Args: [ Arg
--           { argCName = "iter"
--           , argType =
--               TInterface Name { namespace = "Poppler" , name = "LayersIter" }
--           , direction = DirectionIn
--           , mayBeNull = False
--           , argDoc =
--               Documentation
--                 { rawDocText = Just "a #PopplerLayersIter"
--                 , sinceVersion = Nothing
--                 }
--           , argScope = ScopeTypeInvalid
--           , argClosure = -1
--           , argDestroy = -1
--           , argCallerAllocates = False
--           , transfer = TransferNothing
--           }
--       ]
-- Lengths: []
-- returnType: Just (TBasicType TBoolean)
-- throws : False
-- Skip return : False

foreign import ccall "poppler_layers_iter_next" poppler_layers_iter_next :: 
    Ptr LayersIter ->                       -- iter : TInterface (Name {namespace = "Poppler", name = "LayersIter"})
    IO CInt

-- | Sets /@iter@/ to point to the next action at the current level, if valid.  See
-- 'GI.Poppler.Structs.LayersIter.layersIterNew' for more information.
-- 
-- /Since: 0.12/
layersIterNext ::
    (B.CallStack.HasCallStack, MonadIO m) =>
    LayersIter
    -- ^ /@iter@/: a t'GI.Poppler.Structs.LayersIter.LayersIter'
    -> m Bool
    -- ^ __Returns:__ 'P.True', if /@iter@/ was set to the next action
layersIterNext :: LayersIter -> m Bool
layersIterNext iter :: LayersIter
iter = IO Bool -> m Bool
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO (IO Bool -> m Bool) -> IO Bool -> m Bool
forall a b. (a -> b) -> a -> b
$ do
    Ptr LayersIter
iter' <- LayersIter -> IO (Ptr LayersIter)
forall a. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr a)
unsafeManagedPtrGetPtr LayersIter
iter
    CInt
result <- Ptr LayersIter -> IO CInt
poppler_layers_iter_next Ptr LayersIter
iter'
    let result' :: Bool
result' = (CInt -> CInt -> Bool
forall a. Eq a => a -> a -> Bool
/= 0) CInt
result
    LayersIter -> IO ()
forall a. ManagedPtrNewtype a => a -> IO ()
touchManagedPtr LayersIter
iter
    Bool -> IO Bool
forall (m :: * -> *) a. Monad m => a -> m a
return Bool
result'

#if defined(ENABLE_OVERLOADING)
data LayersIterNextMethodInfo
instance (signature ~ (m Bool), MonadIO m) => O.MethodInfo LayersIterNextMethodInfo LayersIter signature where
    overloadedMethod = layersIterNext

#endif

#if defined(ENABLE_OVERLOADING)
type family ResolveLayersIterMethod (t :: Symbol) (o :: *) :: * where
    ResolveLayersIterMethod "copy" o = LayersIterCopyMethodInfo
    ResolveLayersIterMethod "free" o = LayersIterFreeMethodInfo
    ResolveLayersIterMethod "next" o = LayersIterNextMethodInfo
    ResolveLayersIterMethod "getChild" o = LayersIterGetChildMethodInfo
    ResolveLayersIterMethod "getLayer" o = LayersIterGetLayerMethodInfo
    ResolveLayersIterMethod "getTitle" o = LayersIterGetTitleMethodInfo
    ResolveLayersIterMethod l o = O.MethodResolutionFailed l o

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

#endif