Remove surface and window from ApplicationIo (#3941)

* Remove surface and window from ApplicationIo

* Seperate Wasm and Native ApplicationIo

* Fix warnings

* Fix tests

* Remove redundant PlatformApplicationIo::new_offscreen

* Fixup

* Remove unused From implementaitions for ApplicationIo

node-graph/graph-craft/src/application_io.rs

@@ -0,0 +1,55 @@
+use dyn_any::StaticType;
+
+#[cfg(not(target_family = "wasm"))]
+mod native;
+#[cfg(target_family = "wasm")]
+mod wasm;
+
+#[cfg(not(target_family = "wasm"))]
+pub type PlatformApplicationIo = native::NativeApplicationIo;
+#[cfg(target_family = "wasm")]
+pub type PlatformApplicationIo = wasm::WasmApplicationIo;
+
+pub type PlatformEditorApi = graphene_application_io::EditorApi<PlatformApplicationIo>;
+
+static WGPU_AVAILABLE: std::sync::atomic::AtomicI8 = std::sync::atomic::AtomicI8::new(-1);
+
+/// Returns:
+/// - `None` if the availability of WGPU has not been determined yet
+/// - `Some(true)` if WGPU is available
+/// - `Some(false)` if WGPU is not available
+pub fn wgpu_available() -> Option<bool> {
+	match WGPU_AVAILABLE.load(std::sync::atomic::Ordering::SeqCst) {
+		-1 => None,
+		0 => Some(false),
+		_ => Some(true),
+	}
+}
+
+pub(crate) fn set_wgpu_available(available: bool) {
+	WGPU_AVAILABLE.store(available as i8, std::sync::atomic::Ordering::SeqCst);
+}
+
+#[cfg_attr(feature = "wasm", derive(tsify::Tsify))]
+#[derive(Clone, Debug, PartialEq, Hash, serde::Serialize, serde::Deserialize)]
+pub struct EditorPreferences {
+	/// Maximum render region size in pixels along one dimension of the square area.
+	pub max_render_region_size: u32,
+}
+
+impl graphene_application_io::GetEditorPreferences for EditorPreferences {
+	fn max_render_region_area(&self) -> u32 {
+		let size = self.max_render_region_size.min(u32::MAX.isqrt());
+		size.pow(2)
+	}
+}
+
+impl Default for EditorPreferences {
+	fn default() -> Self {
+		Self { max_render_region_size: 1280 }
+	}
+}
+
+unsafe impl StaticType for EditorPreferences {
+	type Static = EditorPreferences;
+}