preview.rs
| 1 | //! File previews: browser-native media (image/PDF/video/audio), full page. |
| 2 | //! Text files open in the editor instead. |
| 3 | |
| 4 | use api_types::FileKind; |
| 5 | use leptos::prelude::*; |
| 6 | |
| 7 | use crate::api; |
| 8 | |
| 9 | /// What kind of preview a file gets. |
| 10 | #[derive(Clone, Copy, PartialEq, Eq)] |
| 11 | pub enum PreviewKind { |
| 12 | Image, |
| 13 | Pdf, |
| 14 | Video, |
| 15 | Audio, |
| 16 | } |
| 17 | |
| 18 | /// Which viewer opens this entry, from the server's sniffed [`FileKind`]. |
| 19 | /// `None` = nothing we can preview here: text goes to the editor, archives |
| 20 | /// and binaries get the "no preview" view. |
| 21 | pub fn preview_kind(kind: FileKind) -> Option<PreviewKind> { |
| 22 | match kind { |
| 23 | FileKind::Image => Some(PreviewKind::Image), |
| 24 | FileKind::Pdf => Some(PreviewKind::Pdf), |
| 25 | FileKind::Video => Some(PreviewKind::Video), |
| 26 | FileKind::Audio => Some(PreviewKind::Audio), |
| 27 | FileKind::Dir | FileKind::Archive | FileKind::Binary | FileKind::Text => None, |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | /// A file the user wants to preview. |
| 32 | #[derive(Clone)] |
| 33 | pub struct PreviewTarget { |
| 34 | pub root_id: i64, |
| 35 | /// Path relative to the root (e.g. "docs/a.txt"). |
| 36 | pub path: String, |
| 37 | /// Display name (used for the title + language detection). |
| 38 | pub name: String, |
| 39 | } |
| 40 | |
| 41 | /// The full-page media preview (closing lives in the top bar). |
| 42 | #[component] |
| 43 | pub fn Preview(target: PreviewTarget, kind: PreviewKind) -> impl IntoView { |
| 44 | let t = target; |
| 45 | let url = api::preview_url(t.root_id, &t.path); |
| 46 | view! { |
| 47 | <div class="preview-body file-preview"> |
| 48 | {move || match kind { |
| 49 | PreviewKind::Image => { |
| 50 | view! { <img class="preview-img" src=url.clone() alt=t.name.clone()/> } |
| 51 | .into_view() |
| 52 | .into_any() |
| 53 | } |
| 54 | PreviewKind::Pdf => { |
| 55 | view! { <iframe class="preview-pdf" src=url.clone() title=t.name.clone()/> } |
| 56 | .into_view() |
| 57 | .into_any() |
| 58 | } |
| 59 | PreviewKind::Video => { |
| 60 | view! { <video class="preview-video" src=url.clone() controls=true/> } |
| 61 | .into_view() |
| 62 | .into_any() |
| 63 | } |
| 64 | PreviewKind::Audio => { |
| 65 | view! { |
| 66 | <div class="preview-audio"> |
| 67 | <audio src=url.clone() controls=true/> |
| 68 | </div> |
| 69 | } |
| 70 | .into_view() |
| 71 | .into_any() |
| 72 | } |
| 73 | }} |
| 74 | </div> |
| 75 | } |
| 76 | } |
| 77 |