Desktop set cef data and cache directory (#2927)

desktop/src/cef/context.rs

@@ -4,6 +4,8 @@ use cef::{Browser, CefString, Settings, api_hash, args::Args, execute_process};
 use thiserror::Error;
 use winit::event::WindowEvent;
 
+use crate::cef::dirs::{cef_cache_dir, cef_data_dir};
+
 use super::input::InputState;
 use super::scheme_handler::{FRONTEND_DOMAIN, GRAPHITE_SCHEME};
 use super::{CefEventHandler, input};
@@ -62,6 +64,8 @@ impl Context<Setup> {
 			windowless_rendering_enabled: 1,
 			multi_threaded_message_loop: 0,
 			external_message_pump: 1,
+			root_cache_path: cef_data_dir().to_str().map(CefString::from).unwrap(),
+			cache_path: cef_cache_dir().to_str().map(CefString::from).unwrap(),
 			..Default::default()
 		};
 

desktop/src/cef/dirs.rs

@@ -0,0 +1,17 @@
+use std::path::PathBuf;
+
+use crate::dirs::{ensure_dir_exists, graphite_data_dir};
+
+static CEF_DIR_NAME: &str = "browser";
+
+pub(crate) fn cef_data_dir() -> PathBuf {
+	let path = graphite_data_dir().join(CEF_DIR_NAME);
+	ensure_dir_exists(&path);
+	path
+}
+
+pub(crate) fn cef_cache_dir() -> PathBuf {
+	let path = cef_data_dir().join("cache");
+	ensure_dir_exists(&path);
+	path
+}