59 lines
2.0 KiB
Rust
59 lines
2.0 KiB
Rust
use futures::future::LocalBoxFuture;
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use crate::platform::app::TerminationResult;
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use crate::platform::test::FontDB as TestFontDB;
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use crate::{
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integration::TestDriver,
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platform::{self},
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AppContext, AssetProvider,
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};
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use super::delegate::{self, AppDelegate};
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use super::event_loop::{self, AppEvent};
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use super::windowing::WindowManager;
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use std::sync::mpsc;
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pub struct App {
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callbacks: platform::app::AppCallbacks,
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assets: Box<dyn AssetProvider>,
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}
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impl App {
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pub(in crate::platform) fn new(
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callbacks: platform::app::AppCallbacks,
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assets: Box<dyn AssetProvider>,
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test_driver: Option<&TestDriver>,
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) -> Self {
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// Other platforms use the test_driver parameter to enable an alternative platform delegate implementation
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// in integration tests - that doesn't apply here.
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let _ = test_driver;
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Self { callbacks, assets }
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}
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pub(in crate::platform) fn run(
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self,
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init_fn: impl FnOnce(&mut AppContext, LocalBoxFuture<'static, crate::App>) + 'static,
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) -> TerminationResult {
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let App { callbacks, assets } = self;
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let (sender, receiver) = mpsc::channel::<AppEvent>();
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// Mark this thread as the main thread for DispatchDelegate checks.
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delegate::mark_current_thread_as_main();
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let platform_delegate = Box::new(AppDelegate::new(sender.clone()));
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let window_manager = Box::new(WindowManager::new(sender.clone()));
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// Reuse the testing FontDB implementation, as no font features are needed in headless mode.
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let font_db: Box<dyn platform::FontDB> = Box::new(TestFontDB::new());
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let ui_app = crate::App::new(platform_delegate, window_manager, font_db, assets)
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.expect("should not fail to construct application");
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let mut callbacks =
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galaxyui_core::platform::app::AppCallbackDispatcher::new(callbacks, ui_app.clone());
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// Run the event loop until the app terminates.
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event_loop::run(ui_app, &mut callbacks, Box::new(init_fn), receiver, sender)
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}
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}
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