preview.rs
| 1 | //! File previews: browser-native media (image/PDF/video/audio), full page, |
| 2 | //! or a download prompt for kinds with no viewer. Text files open in the |
| 3 | //! editor instead. |
| 4 | |
| 5 | use api_types::FileKind; |
| 6 | use leptos::prelude::*; |
| 7 | |
| 8 | use crate::api; |
| 9 | use crate::components::icon::Icon; |
| 10 | use crate::i18n; |
| 11 | use crate::icons::{IconName, icon_for}; |
| 12 | use crate::views::file_view::FileView; |
| 13 | |
| 14 | /// Whether this kind opens in the media preview. Text goes to the editor, |
| 15 | /// archives and binaries get the "no preview" view. |
| 16 | pub fn is_media(kind: FileKind) -> bool { |
| 17 | matches!( |
| 18 | kind, |
| 19 | FileKind::Image | FileKind::Pdf | FileKind::Video | FileKind::Audio |
| 20 | ) |
| 21 | } |
| 22 | |
| 23 | /// The full-page preview (closing lives in the top bar). |
| 24 | #[component] |
| 25 | pub fn Preview(target: FileView) -> impl IntoView { |
| 26 | let url = api::preview_url(target.root_id, &target.path); |
| 27 | let name = target.name.clone(); |
| 28 | let media = match target.kind { |
| 29 | FileKind::Image => view! { <img class="preview-img" src=url alt=name/> }.into_any(), |
| 30 | FileKind::Pdf => view! { <iframe class="preview-pdf" src=url title=name/> }.into_any(), |
| 31 | FileKind::Video => { |
| 32 | view! { <video class="preview-video" src=url controls=true/> }.into_any() |
| 33 | } |
| 34 | FileKind::Audio => view! { |
| 35 | <div class="preview-audio"> |
| 36 | <audio src=url controls=true/> |
| 37 | </div> |
| 38 | } |
| 39 | .into_any(), |
| 40 | FileKind::Dir | FileKind::Archive | FileKind::Text | FileKind::Binary => { |
| 41 | return view! { <NoPreview target=target/> }.into_any(); |
| 42 | } |
| 43 | }; |
| 44 | view! { <div class="preview-body file-preview">{media}</div> }.into_any() |
| 45 | } |
| 46 | |
| 47 | /// Shown for files with no built-in viewer: a message and a download button. |
| 48 | #[component] |
| 49 | fn NoPreview(target: FileView) -> impl IntoView { |
| 50 | let icon = icon_for(target.kind, &target.name); |
| 51 | let name = target.name.clone(); |
| 52 | let t = target; |
| 53 | view! { |
| 54 | <div class="file-nopreview"> |
| 55 | <div class="empty-state"> |
| 56 | <Icon name=icon class="empty-glyph".to_string()/> |
| 57 | <h3>{i18n::tr(i18n::k::NO_PREVIEW)}</h3> |
| 58 | <p class="muted">{i18n::t_fmt(i18n::k::NO_PREVIEW_MSG, &name)}</p> |
| 59 | <button |
| 60 | class="btn btn-primary" |
| 61 | on:click=move |_| { |
| 62 | let url = api::download_url(t.root_id, &t.path, None); |
| 63 | api::trigger_download(&url, &name); |
| 64 | } |
| 65 | > |
| 66 | <Icon name=IconName::Download class="ic-btn".to_string()/> |
| 67 | {i18n::tr(i18n::k::DOWNLOAD)} |
| 68 | </button> |
| 69 | </div> |
| 70 | </div> |
| 71 | } |
| 72 | } |
| 73 |