wayland: add a generic wayland client

src/wl_usr/usr_ifs/usr_zwlr_screencopy_frame.rs

@@ -0,0 +1,138 @@
+use {
+    crate::{
+        utils::{
+            buffd::{MsgParser, MsgParserError},
+            clonecell::CloneCell,
+        },
+        wire::{zwlr_screencopy_frame_v1::*, ZwlrScreencopyFrameV1Id},
+        wl_usr::{usr_ifs::usr_wl_buffer::UsrWlBuffer, usr_object::UsrObject, UsrCon},
+    },
+    std::rc::Rc,
+};
+
+pub struct UsrZwlrScreencopyFrame {
+    pub id: ZwlrScreencopyFrameV1Id,
+    pub con: Rc<UsrCon>,
+    pub owner: CloneCell<Option<Rc<dyn UsrZwlrScreencopyFrameOwner>>>,
+}
+
+pub trait UsrZwlrScreencopyFrameOwner {
+    fn buffer(&self, buffer: &Buffer) {
+        let _ = buffer;
+    }
+
+    fn flags(&self, flags: &Flags) {
+        let _ = flags;
+    }
+
+    fn ready(&self, ready: &Ready) {
+        let _ = ready;
+    }
+
+    fn failed(&self) {}
+
+    fn damage(&self, damage: &Damage) {
+        let _ = damage;
+    }
+
+    fn linux_dmabuf(&self, dmabuf: &LinuxDmabuf) {
+        let _ = dmabuf;
+    }
+
+    fn buffer_done(&self) {}
+}
+
+impl UsrZwlrScreencopyFrame {
+    pub fn copy(&self, buffer: &UsrWlBuffer) {
+        self.con.request(Copy {
+            self_id: self.id,
+            buffer: buffer.id,
+        });
+    }
+
+    #[allow(dead_code)]
+    pub fn copy_with_damage(&self, buffer: &UsrWlBuffer) {
+        self.con.request(CopyWithDamage {
+            self_id: self.id,
+            buffer: buffer.id,
+        });
+    }
+
+    fn buffer(&self, parser: MsgParser<'_, '_>) -> Result<(), MsgParserError> {
+        let ev: Buffer = self.con.parse(self, parser)?;
+        if let Some(owner) = self.owner.get() {
+            owner.buffer(&ev);
+        }
+        Ok(())
+    }
+
+    fn flags(&self, parser: MsgParser<'_, '_>) -> Result<(), MsgParserError> {
+        let ev: Flags = self.con.parse(self, parser)?;
+        if let Some(owner) = self.owner.get() {
+            owner.flags(&ev);
+        }
+        Ok(())
+    }
+
+    fn ready(&self, parser: MsgParser<'_, '_>) -> Result<(), MsgParserError> {
+        let ev: Ready = self.con.parse(self, parser)?;
+        if let Some(owner) = self.owner.get() {
+            owner.ready(&ev);
+        }
+        Ok(())
+    }
+
+    fn failed(&self, parser: MsgParser<'_, '_>) -> Result<(), MsgParserError> {
+        let _ev: Failed = self.con.parse(self, parser)?;
+        if let Some(owner) = self.owner.get() {
+            owner.failed();
+        }
+        Ok(())
+    }
+
+    fn damage(&self, parser: MsgParser<'_, '_>) -> Result<(), MsgParserError> {
+        let ev: Damage = self.con.parse(self, parser)?;
+        if let Some(owner) = self.owner.get() {
+            owner.damage(&ev);
+        }
+        Ok(())
+    }
+
+    fn linux_dmabuf(&self, parser: MsgParser<'_, '_>) -> Result<(), MsgParserError> {
+        let ev: LinuxDmabuf = self.con.parse(self, parser)?;
+        if let Some(owner) = self.owner.get() {
+            owner.linux_dmabuf(&ev);
+        }
+        Ok(())
+    }
+
+    fn buffer_done(&self, parser: MsgParser<'_, '_>) -> Result<(), MsgParserError> {
+        let _ev: BufferDone = self.con.parse(self, parser)?;
+        if let Some(owner) = self.owner.get() {
+            owner.buffer_done();
+        }
+        Ok(())
+    }
+}
+
+usr_object_base! {
+    UsrZwlrScreencopyFrame, ZwlrScreencopyFrameV1;
+
+    BUFFER => buffer,
+    FLAGS => flags,
+    READY => ready,
+    FAILED => failed,
+    DAMAGE => damage,
+    LINUX_DMABUF => linux_dmabuf,
+    BUFFER_DONE => buffer_done,
+}
+
+impl UsrObject for UsrZwlrScreencopyFrame {
+    fn destroy(&self) {
+        self.con.request(Destroy { self_id: self.id });
+    }
+
+    fn break_loops(&self) {
+        self.owner.take();
+    }
+}