Trait UICollectionViewDropCoordinator 

pub unsafe trait UICollectionViewDropCoordinator: NSObjectProtocol + MainThreadOnly {
    // Provided methods
    fn items(
        &self,
    ) -> Retained<NSArray<ProtocolObject<dyn UICollectionViewDropItem>>>
       where Self: Sized + Message { ... }
    fn destinationIndexPath(&self) -> Option<Retained<NSIndexPath>>
       where Self: Sized + Message { ... }
    fn proposal(&self) -> Retained<UICollectionViewDropProposal>
       where Self: Sized + Message { ... }
    fn session(&self) -> Retained<ProtocolObject<dyn UIDropSession>>
       where Self: Sized + Message { ... }
    fn dropItem_toPlaceholder(
        &self,
        drag_item: &UIDragItem,
        placeholder: &UICollectionViewDropPlaceholder,
    ) -> Retained<ProtocolObject<dyn UICollectionViewDropPlaceholderContext>>
       where Self: Sized + Message { ... }
    fn dropItem_toItemAtIndexPath(
        &self,
        drag_item: &UIDragItem,
        index_path: &NSIndexPath,
    ) -> Retained<ProtocolObject<dyn UIDragAnimating>>
       where Self: Sized + Message { ... }
    fn dropItem_intoItemAtIndexPath_rect(
        &self,
        drag_item: &UIDragItem,
        index_path: &NSIndexPath,
        rect: CGRect,
    ) -> Retained<ProtocolObject<dyn UIDragAnimating>>
       where Self: Sized + Message { ... }
    fn dropItem_toTarget(
        &self,
        drag_item: &UIDragItem,
        target: &UIDragPreviewTarget,
    ) -> Retained<ProtocolObject<dyn UIDragAnimating>>
       where Self: Sized + Message { ... }
}

Available on crate feature UICollectionView only.

Apple’s documentation

Provided Methods

fn items( &self, ) -> Retained<NSArray<ProtocolObject<dyn UICollectionViewDropItem>>>

where Self: Sized + Message,

fn destinationIndexPath(&self) -> Option<Retained<NSIndexPath>>

where Self: Sized + Message,

fn proposal(&self) -> Retained<UICollectionViewDropProposal>

where Self: Sized + Message,

Available on crate feature UIDropInteraction only.

fn session(&self) -> Retained<ProtocolObject<dyn UIDropSession>>

where Self: Sized + Message,

Available on crate feature UIDragSession only.

fn dropItem_toPlaceholder( &self, drag_item: &UIDragItem, placeholder: &UICollectionViewDropPlaceholder, ) -> Retained<ProtocolObject<dyn UICollectionViewDropPlaceholderContext>>

where Self: Sized + Message,

Available on crate features UIDragInteraction and UIDragItem only.

fn dropItem_toItemAtIndexPath( &self, drag_item: &UIDragItem, index_path: &NSIndexPath, ) -> Retained<ProtocolObject<dyn UIDragAnimating>>

where Self: Sized + Message,

Available on crate features UIDragInteraction and UIDragItem only.

fn dropItem_intoItemAtIndexPath_rect( &self, drag_item: &UIDragItem, index_path: &NSIndexPath, rect: CGRect, ) -> Retained<ProtocolObject<dyn UIDragAnimating>>

where Self: Sized + Message,

Available on crate features objc2-core-foundation and UIDragInteraction and UIDragItem only.

fn dropItem_toTarget( &self, drag_item: &UIDragItem, target: &UIDragPreviewTarget, ) -> Retained<ProtocolObject<dyn UIDragAnimating>>

where Self: Sized + Message,

Available on crate features UIDragInteraction and UIDragItem and UITargetedDragPreview and UITargetedPreview only.

Trait Implementations

impl<T> ImplementedBy<T> for dyn UICollectionViewDropCoordinator

where T: ?Sized + Message + UICollectionViewDropCoordinator,

impl ProtocolType for dyn UICollectionViewDropCoordinator

const NAME: &'static str = "UICollectionViewDropCoordinator"

The name of the Objective-C protocol that this type represents.

fn protocol() -> Option<&'static AnyProtocol>

Get a reference to the Objective-C protocol object that this type represents.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl<T> UICollectionViewDropCoordinator for ProtocolObject<T>

where T: ?Sized + UICollectionViewDropCoordinator,

Implementors