wayland: implement alpha_modifier_v1

src/ifs/wp_alpha_modifier_v1.rs

@@ -0,0 +1,106 @@
+use {
+    crate::{
+        client::{Client, ClientError},
+        globals::{Global, GlobalName},
+        ifs::wl_surface::wp_alpha_modifier_surface_v1::{
+            WpAlphaModifierSurfaceV1, WpAlphaModifierSurfaceV1Error,
+        },
+        leaks::Tracker,
+        object::{Object, Version},
+        wire::{wp_alpha_modifier_v1::*, WpAlphaModifierV1Id},
+    },
+    std::rc::Rc,
+    thiserror::Error,
+};
+
+pub struct WpAlphaModifierV1Global {
+    name: GlobalName,
+}
+
+pub struct WpAlphaModifierV1 {
+    id: WpAlphaModifierV1Id,
+    client: Rc<Client>,
+    version: Version,
+    pub tracker: Tracker<Self>,
+}
+
+impl WpAlphaModifierV1Global {
+    pub fn new(name: GlobalName) -> Self {
+        Self { name }
+    }
+
+    fn bind_(
+        self: Rc<Self>,
+        id: WpAlphaModifierV1Id,
+        client: &Rc<Client>,
+        version: Version,
+    ) -> Result<(), WpAlphaModifierV1Error> {
+        let obj = Rc::new(WpAlphaModifierV1 {
+            id,
+            client: client.clone(),
+            version,
+            tracker: Default::default(),
+        });
+        track!(client, obj);
+        client.add_client_obj(&obj)?;
+        Ok(())
+    }
+}
+impl WpAlphaModifierV1RequestHandler for WpAlphaModifierV1 {
+    type Error = WpAlphaModifierV1Error;
+
+    fn destroy(&self, _req: Destroy, _slf: &Rc<Self>) -> Result<(), Self::Error> {
+        self.client.remove_obj(self)?;
+        Ok(())
+    }
+
+    fn get_surface(&self, req: GetSurface, _slf: &Rc<Self>) -> Result<(), Self::Error> {
+        let surface = self.client.lookup(req.surface)?;
+        let modifier = Rc::new(WpAlphaModifierSurfaceV1::new(
+            req.id,
+            &surface,
+            self.version,
+        ));
+        track!(self.client, surface);
+        self.client.add_client_obj(&modifier)?;
+        modifier.install()?;
+        Ok(())
+    }
+}
+
+global_base!(
+    WpAlphaModifierV1Global,
+    WpAlphaModifierV1,
+    WpAlphaModifierV1Error
+);
+
+impl Global for WpAlphaModifierV1Global {
+    fn singleton(&self) -> bool {
+        true
+    }
+
+    fn version(&self) -> u32 {
+        1
+    }
+}
+
+simple_add_global!(WpAlphaModifierV1Global);
+
+object_base! {
+    self = WpAlphaModifierV1;
+    version = self.version;
+}
+
+impl Object for WpAlphaModifierV1 {}
+
+simple_add_obj!(WpAlphaModifierV1);
+
+#[derive(Debug, Error)]
+pub enum WpAlphaModifierV1Error {
+    #[error(transparent)]
+    ClientError(Box<ClientError>),
+    #[error(transparent)]
+    WpAlphaModifierSurfaceV1Error(#[from] WpAlphaModifierSurfaceV1Error),
+}
+
+efrom!(WpAlphaModifierV1Error, ClientError);