Add Cargo Packager support

Cargo.toml

@@ -19,6 +19,21 @@ targets = [
   "x86_64-apple-darwin",
 ]
 
+[package.metadata.packager]
+name = "verso"
+product-name = "verso"
+identifier = "com.crabnebula.verso"
+version = "0.0.1"
+before-each-package-command = "cargo build --release"
+resources = [
+  "resources",
+  "demo.html"
+]
+icons=[
+  "resources/icons/icon256x256.png",
+  "resources/icons/icon.ico"
+]
+
 [features]
 default = []
 
@@ -37,6 +52,8 @@ crossbeam-channel = "0.5"
 getopts = "0.2.17"
 surfman = { version = "0.9", features = ["chains", "sm-angle", "sm-angle-default", "sm-x11", "sm-raw-window-handle"] }
 winit = { version = "0.29", features = ["rwh_05"] }
+# Cargo Packager
+cargo-packager-resource-resolver = { version = "0.1", features = ["auto-detect-format"] }
 
 [target."cfg(any(target_os = \"ios\", target_os = \"macos\"))".dependencies]
 block = "0.1"

src/app.rs

@@ -17,6 +17,9 @@ use winit::{
 
 use crate::{prefs, resources, webview::WebView};
 
+#[cfg(not(debug_assertions))]
+use cargo_packager_resource_resolver::{current_format, resources_dir};
+
 /// Status of webview.
 #[derive(Clone, Copy, Debug, Default)]
 pub enum Status {
@@ -59,6 +62,12 @@ impl Verso {
         );
 
         let demo_path = std::env::current_dir().unwrap().join("demo.html");
+        // For production builds, use Resourse Resolver for demo file
+        #[cfg(not(debug_assertions))]
+        let demo_path = resources_dir(current_format().unwrap())
+            .unwrap()
+            .join("demo.html");
+
         let url = ServoUrl::from_file_path(demo_path.to_str().unwrap()).unwrap();
         init_servo
             .servo

src/main.rs

@@ -1,5 +1,5 @@
-use winit::{dpi::PhysicalSize, event_loop::EventLoop, window::WindowBuilder};
 use verso::{Result, Status, Verso};
+use winit::{dpi::PhysicalSize, event_loop::EventLoop, window::WindowBuilder};
 
 /* window decoration */
 #[cfg(target_os = "macos")]

src/resources.rs

@@ -4,6 +4,9 @@ use servo::embedder_traits::resources::{self, Resource, ResourceReaderMethods};
 
 struct ResourceReader(PathBuf);
 
+#[cfg(not(debug_assertions))]
+use cargo_packager_resource_resolver::{current_format, resources_dir};
+
 /// Initialize resource files. We currently read from `resources` directory only.
 pub fn init() {
     resources::set(Box::new(ResourceReader(resources_dir_path())));
@@ -26,6 +29,12 @@ impl ResourceReaderMethods for ResourceReader {
 }
 
 fn resources_dir_path() -> PathBuf {
+    // For production builds, use Resourse Resolver
+    #[cfg(not(debug_assertions))]
+    return resources_dir(current_format().unwrap())
+        .unwrap()
+        .join("resources");
+
     // Try ./resources relative to the directory containing the
     // canonicalised executable path, then each of its ancestors.
     let mut path = env::current_exe().unwrap().canonicalize().unwrap();

tests/general.rs

@@ -1,5 +1,5 @@
-use winit::event_loop::EventLoopWindowTarget;
 use verso::verso_test;
+use winit::event_loop::EventLoopWindowTarget;
 
 fn smoke(_elwt: &EventLoopWindowTarget<()>) {}
 fn other_smoke(_elwt: &EventLoopWindowTarget<()>) {}