77 lines
2.8 KiB
Rust
77 lines
2.8 KiB
Rust
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// SPDX-License-Identifier: GPL-3.0-or-later
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// src/ui/sync.rs
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//
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// Synchronize UI model from DocumentManager state.
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use crate::application::DocumentManager;
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use crate::domain::document::core::document::Renderable;
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use crate::ui::model::AppModel;
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/// Synchronize AppModel from DocumentManager.
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///
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/// Updates UI state with current document info, but does NOT copy
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/// the entire document (would break Clean Architecture).
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/// Only caches render-related data for performance.
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pub fn sync_model_from_manager(model: &mut AppModel, manager: &mut DocumentManager) {
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// Update cached render data
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if let Some(doc) = manager.current_document_mut() {
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// Cache image handle for rendering
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if let Ok(render_output) = doc.render(1.0) {
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model.current_image_handle = Some(render_output.handle);
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} else {
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model.current_image_handle = None;
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}
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// Cache dimensions
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let info = doc.info();
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model.current_dimensions = Some((info.width, info.height));
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// Cache page info
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model.current_page = Some(doc.current_page());
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model.page_count = Some(doc.page_count());
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} else {
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// No document loaded - clear cached data
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model.current_image_handle = None;
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model.current_dimensions = None;
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model.current_page = None;
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model.page_count = None;
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}
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// Update navigation state
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model.current_path = manager.current_path().map(|p| p.to_path_buf());
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model.folder_count = manager.folder_entries().len();
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model.current_index = manager.current_index();
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// Update metadata
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model.metadata = manager.current_metadata().cloned();
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}
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/// Synchronize only render data without full document info.
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///
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/// Useful when only the rendered image has changed (e.g., after transform).
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pub fn sync_render_data(model: &mut AppModel, manager: &mut DocumentManager) {
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if let Some(doc) = manager.current_document_mut() {
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// Re-render at current scale to get updated image handle
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if let Ok(render_output) = doc.render(model.scale as f64) {
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model.current_image_handle = Some(render_output.handle);
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}
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// Update dimensions (may have changed after rotation)
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let info = doc.info();
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model.current_dimensions = Some((info.width, info.height));
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// Update page info (in case page changed)
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model.current_page = Some(doc.current_page());
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}
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}
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/// Synchronize only navigation state without render data.
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///
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/// Useful when switching documents in a folder.
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#[allow(dead_code)]
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pub fn sync_navigation(model: &mut AppModel, manager: &DocumentManager) {
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model.current_path = manager.current_path().map(|p| p.to_path_buf());
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model.current_index = manager.current_index();
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model.folder_count = manager.folder_entries().len();
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}
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