46 lines
1.4 KiB
Rust
46 lines
1.4 KiB
Rust
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// need a type that can implement traits for storing custom data
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use std::{borrow::Cow, error, fmt};
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/// Data that can be loaded from the clipboard.
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pub struct ClipboardLoadData<T>(pub T);
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/// Describes the mime types which are accepted.
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pub trait AllowedMimeTypes:
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TryFrom<(Vec<u8>, String)> + Send + Sync + 'static
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{
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/// List allowed mime types for the type to convert from a byte slice.
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///
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/// Allowed mime types should be listed in order of decreasing preference,
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/// most preferred first.
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fn allowed() -> Cow<'static, [String]>;
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}
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/// Can be converted to data with the available mime types.
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pub trait AsMimeTypes {
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/// List available mime types for this data to convert to a byte slice.
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fn available(&self) -> Cow<'static, [String]>;
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/// Converts a type to a byte slice for the given mime type if possible.
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fn as_bytes(&self, mime_type: &str) -> Option<Cow<'static, [u8]>>;
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}
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/// Data that can be stored to the clipboard.
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pub struct ClipboardStoreData<T> {
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/// Clipboard data.
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pub data: T,
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/// Available mime types for the clipboard data.
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pub available_mime_types: Vec<Cow<'static, str>>,
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}
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#[derive(Debug, Clone, Copy)]
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pub struct Error;
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impl fmt::Display for Error {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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write!(f, "Unsupported mime type")
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}
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}
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impl error::Error for Error {}
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