scene_manager_structured_config/
scene_manager_structured_config_rust_config_lib_source.rs

1use fidl::unpersist;
2use fidl_cf_sc_internal_scenemanagerstructuredconfig::Config as FidlConfig;
3use fuchsia_component_config::{Config as ComponentConfig, Error};
4use fuchsia_inspect::{ArrayProperty, Node};
5use std::convert::TryInto;
6const EXPECTED_CHECKSUM: &[u8] = &[
7    0x0e, 0x7b, 0xd5, 0xc5, 0x02, 0x2d, 0xb9, 0xc2, 0x4f, 0x72, 0x70, 0xed, 0xd3, 0x42, 0x0a, 0x3e,
8    0x26, 0x7a, 0x93, 0x35, 0xa7, 0x53, 0x28, 0x9f, 0x4f, 0xc0, 0x35, 0xbd, 0xe3, 0xa7, 0xac, 0x1c,
9];
10const EXPECTED_CHECKSUM_LENGTH: [u8; 2] = (EXPECTED_CHECKSUM.len() as u16).to_le_bytes();
11#[derive(Debug)]
12pub struct Config {
13    pub attach_a11y_view: bool,
14    pub display_pixel_density: String,
15    pub display_rotation: u64,
16    pub enable_merge_touch_events: bool,
17    pub idle_threshold_ms: u64,
18    pub supported_input_devices: Vec<String>,
19    pub suspend_enabled: bool,
20    pub viewing_distance: String,
21}
22impl Config {
23    #[doc = r" Take the config startup handle and parse its contents."]
24    #[doc = r""]
25    #[doc = r" # Panics"]
26    #[doc = r""]
27    #[doc = r" If the config startup handle was already taken or if it is not valid."]
28    pub fn take_from_startup_handle() -> Self {
29        <Self as ComponentConfig>::take_from_startup_handle()
30    }
31    #[doc = r" Parse `Self` from `vmo`."]
32    pub fn from_vmo(vmo: &zx::Vmo) -> Result<Self, Error> {
33        <Self as ComponentConfig>::from_vmo(vmo)
34    }
35    #[doc = r" Parse `Self` from `bytes`."]
36    pub fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
37        <Self as ComponentConfig>::from_bytes(bytes)
38    }
39    pub fn record_inspect(&self, inspector_node: &Node) {
40        <Self as ComponentConfig>::record_inspect(self, inspector_node)
41    }
42}
43impl ComponentConfig for Config {
44    #[doc = r" Parse `Self` from `bytes`."]
45    fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
46        let (checksum_len_bytes, bytes) = bytes.split_at_checked(2).ok_or(Error::TooFewBytes)?;
47        let checksum_len_bytes: [u8; 2] =
48            checksum_len_bytes.try_into().expect("previous call guaranteed 2 element slice");
49        let checksum_length = u16::from_le_bytes(checksum_len_bytes) as usize;
50        let (observed_checksum, bytes) =
51            bytes.split_at_checked(checksum_length).ok_or(Error::TooFewBytes)?;
52        if observed_checksum != EXPECTED_CHECKSUM {
53            return Err(Error::ChecksumMismatch {
54                expected_checksum: EXPECTED_CHECKSUM.to_vec(),
55                observed_checksum: observed_checksum.to_vec(),
56            });
57        }
58        let fidl_config: FidlConfig = unpersist(bytes).map_err(Error::Unpersist)?;
59        Ok(Self {
60            attach_a11y_view: fidl_config.attach_a11y_view,
61            display_pixel_density: fidl_config.display_pixel_density,
62            display_rotation: fidl_config.display_rotation,
63            enable_merge_touch_events: fidl_config.enable_merge_touch_events,
64            idle_threshold_ms: fidl_config.idle_threshold_ms,
65            supported_input_devices: fidl_config.supported_input_devices,
66            suspend_enabled: fidl_config.suspend_enabled,
67            viewing_distance: fidl_config.viewing_distance,
68        })
69    }
70    fn to_bytes(&self) -> Result<Vec<u8>, Error> {
71        let fidl_config = FidlConfig {
72            attach_a11y_view: self.attach_a11y_view.clone(),
73            display_pixel_density: self.display_pixel_density.clone(),
74            display_rotation: self.display_rotation.clone(),
75            enable_merge_touch_events: self.enable_merge_touch_events.clone(),
76            idle_threshold_ms: self.idle_threshold_ms.clone(),
77            supported_input_devices: self.supported_input_devices.clone(),
78            suspend_enabled: self.suspend_enabled.clone(),
79            viewing_distance: self.viewing_distance.clone(),
80        };
81        let mut fidl_bytes = fidl::persist(&fidl_config).map_err(Error::Persist)?;
82        let mut bytes = Vec::with_capacity(
83            EXPECTED_CHECKSUM_LENGTH.len() + EXPECTED_CHECKSUM.len() + fidl_bytes.len(),
84        );
85        bytes.extend_from_slice(&EXPECTED_CHECKSUM_LENGTH);
86        bytes.extend_from_slice(EXPECTED_CHECKSUM);
87        bytes.append(&mut fidl_bytes);
88        Ok(bytes)
89    }
90    fn record_inspect(&self, inspector_node: &Node) {
91        inspector_node.record_bool("attach_a11y_view", self.attach_a11y_view);
92        inspector_node.record_string("display_pixel_density", &self.display_pixel_density);
93        inspector_node.record_uint("display_rotation", self.display_rotation);
94        inspector_node.record_bool("enable_merge_touch_events", self.enable_merge_touch_events);
95        inspector_node.record_uint("idle_threshold_ms", self.idle_threshold_ms);
96        let arr = inspector_node
97            .create_string_array("supported_input_devices", self.supported_input_devices.len());
98        for i in 0..self.supported_input_devices.len() {
99            arr.set(i, &self.supported_input_devices[i]);
100        }
101        inspector_node.record(arr);
102        inspector_node.record_bool("suspend_enabled", self.suspend_enabled);
103        inspector_node.record_string("viewing_distance", &self.viewing_distance);
104    }
105}
scene_manager_structured_config/scene_manager_structured_config_rust_config_lib_source.rs

scene_manager_structured_config/
scene_manager_structured_config_rust_config_lib_source.rs
