objc2_file_provider/generated/
NSFileProviderThumbnailing.rs

1//! This file has been automatically generated by `objc2`'s `header-translator`.
2//! DO NOT EDIT
3use core::ffi::*;
4use core::ptr::NonNull;
5use objc2::__framework_prelude::*;
6#[cfg(feature = "objc2-core-foundation")]
7use objc2_core_foundation::*;
8use objc2_foundation::*;
9
10use crate::*;
11
12/// NSFileProviderThumbnailing.
13#[cfg(feature = "Extension")]
14impl NSFileProviderExtension {
15    extern_methods!(
16        #[cfg(all(
17            feature = "NSFileProviderItem",
18            feature = "block2",
19            feature = "objc2-core-foundation"
20        ))]
21        /// The system calls this method to fetch thumbnails.
22        ///
23        /// The
24        /// `perThumbnailCompletionHandler`should be called for each thumbnail, and
25        /// `completionHandler`only after all the per thumbnail completion blocks.
26        ///
27        /// In the event of a global error, the implementation is allowed to skip calling
28        /// the
29        /// `perThumbnailCompletionHandler`for individual thumbnails. In that case,
30        /// the
31        /// `completionHandler's`error parameter would apply to all item identifiers
32        /// for which
33        /// `perThumbnailCompletionHandler`had not been called.
34        ///
35        /// If there is no thumbnail for a given item, the
36        /// `perThumbnailCompletionHandler`should be called with its
37        /// `imageData`and
38        /// `error`parameters both
39        /// set to nil.
40        ///
41        /// If the system decides that an in-flight thumbnail request is not needed anymore,
42        /// it will call the returned
43        /// `NSProgress`object's
44        /// `-cancel`method,
45        /// at which time the implementation should clean up any held resources.
46        ///
47        /// The system will cache the thumbnail for the item, and the cache will be
48        /// invalidated when itemVersion.contentVersion changes.
49        #[unsafe(method(fetchThumbnailsForItemIdentifiers:requestedSize:perThumbnailCompletionHandler:completionHandler:))]
50        #[unsafe(method_family = none)]
51        pub unsafe fn fetchThumbnailsForItemIdentifiers_requestedSize_perThumbnailCompletionHandler_completionHandler(
52            &self,
53            item_identifiers: &NSArray<NSFileProviderItemIdentifier>,
54            size: CGSize,
55            per_thumbnail_completion_handler: &block2::DynBlock<
56                dyn Fn(NonNull<NSFileProviderItemIdentifier>, *mut NSData, *mut NSError),
57            >,
58            completion_handler: &block2::DynBlock<dyn Fn(*mut NSError)>,
59        ) -> Retained<NSProgress>;
60    );
61}
objc2_file_provider/generated/NSFileProviderThumbnailing.rs

objc2_file_provider/generated/
NSFileProviderThumbnailing.rs
