wayland_bridge/
alpha_compositing.rs

1// Copyright 2018 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5use crate::client::Client;
6use crate::compositor::Surface;
7use crate::object::{NewObjectExt, ObjectRef, RequestReceiver};
8use anyhow::Error;
9use fuchsia_wayland_core as wl;
10use zcr_alpha_compositing_v1_server_protocol::{
11    ZcrAlphaCompositingV1, ZcrAlphaCompositingV1Request, ZcrBlendingV1, ZcrBlendingV1Request,
12};
13
14/// An implementation of the zcr_alpha_compositing_v1 global.
15pub struct AlphaCompositing;
16
17impl AlphaCompositing {
18    /// Creates a new `AlphaCompositing`.
19    pub fn new() -> Self {
20        AlphaCompositing
21    }
22}
23
24impl RequestReceiver<ZcrAlphaCompositingV1> for AlphaCompositing {
25    fn receive(
26        this: ObjectRef<Self>,
27        request: ZcrAlphaCompositingV1Request,
28        client: &mut Client,
29    ) -> Result<(), Error> {
30        match request {
31            ZcrAlphaCompositingV1Request::Destroy => {
32                client.delete_id(this.id())?;
33            }
34            ZcrAlphaCompositingV1Request::GetBlending { id, surface } => {
35                id.implement(client, AlphaBlending::new(surface))?;
36            }
37        }
38        Ok(())
39    }
40}
41
42struct AlphaBlending {
43    _surface_ref: ObjectRef<Surface>,
44}
45
46impl AlphaBlending {
47    pub fn new(surface: wl::ObjectId) -> Self {
48        AlphaBlending { _surface_ref: surface.into() }
49    }
50}
51
52impl RequestReceiver<ZcrBlendingV1> for AlphaBlending {
53    fn receive(
54        this: ObjectRef<Self>,
55        request: ZcrBlendingV1Request,
56        client: &mut Client,
57    ) -> Result<(), Error> {
58        match request {
59            ZcrBlendingV1Request::Destroy => {
60                client.delete_id(this.id())?;
61            }
62            ZcrBlendingV1Request::SetBlending { .. } => {}
63            ZcrBlendingV1Request::SetAlpha { .. } => {}
64        }
65        Ok(())
66    }
67}
wayland_bridge/alpha_compositing.rs

wayland_bridge/
alpha_compositing.rs
