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use std::path;
use crate::context::AppContext;
use crate::fs::JoshutoMetadata;
use crate::preview::{preview_dir, preview_file};
use super::preview_file::PreviewFileState;
pub fn load_preview_path(context: &mut AppContext, p: path::PathBuf, metadata: JoshutoMetadata) {
let preview_options = context.config_ref().preview_options_ref();
if metadata.is_dir() {
let tab = context.tab_context_ref().curr_tab_ref();
// only load if there doesn't already exist a loading thread and
// there isn't an entry in history
let need_to_load = tab
.history_metadata_ref()
.get(p.as_path())
.map(|m| m.is_loading())
.unwrap_or(true)
&& tab
.history_ref()
.get(p.as_path())
.map(|e| e.need_update())
.unwrap_or(true);
if need_to_load {
preview_dir::Background::load_preview(context, p);
}
} else if metadata.len() <= preview_options.max_preview_size {
let need_to_load = context
.preview_context_ref()
.previews_ref()
.get(p.as_path())
.map(|data| match data {
PreviewFileState::Success { data } => data.modified < metadata.modified(),
_ => false,
})
.unwrap_or(true);
if need_to_load {
preview_file::Background::preview_path_with_script(context, p);
}
} else {
}
}
pub fn load_preview(context: &mut AppContext) {
let mut load_list = Vec::with_capacity(2);
let curr_tab = context.tab_context_ref().curr_tab_ref();
match curr_tab.curr_list_ref() {
Some(curr_list) => {
if let Some(index) = curr_list.get_index() {
let entry = &curr_list.contents[index];
load_list.push((entry.file_path().to_path_buf(), entry.metadata.clone()));
}
}
None => {
if let Ok(metadata) = JoshutoMetadata::from(curr_tab.cwd()) {
load_list.push((curr_tab.cwd().to_path_buf(), metadata));
}
}
}
for (path, metadata) in load_list {
load_preview_path(context, path, metadata);
}
}
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