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    0x6a, 0x88, 0x7a, 0x3e, 0x99, 0x89, 0xcb, 0x1d, 0x2f, 0xfa, 0xc0, 0x60, 0xe1, 0x8b, 0x26, 0xd6,
8    0x28, 0xff, 0xf3, 0xed, 0x4d, 0x00, 0x48, 0xed, 0x7b, 0x83, 0x88, 0xdf, 0x61, 0x52, 0xac, 0x1e,
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 prefetch: bool,
19    pub supported_input_devices: Vec<String>,
20    pub suspend_enabled: bool,
21    pub viewing_distance: String,
22}
23impl Config {
24    #[doc = r" Take the config startup handle and parse its contents."]
25    #[doc = r""]
26    #[doc = r" # Panics"]
27    #[doc = r""]
28    #[doc = r" If the config startup handle was already taken or if it is not valid."]
29    pub fn take_from_startup_handle() -> Self {
30        <Self as ComponentConfig>::take_from_startup_handle()
31    }
32    #[doc = r" Parse `Self` from `vmo`."]
33    pub fn from_vmo(vmo: &zx::Vmo) -> Result<Self, Error> {
34        <Self as ComponentConfig>::from_vmo(vmo)
35    }
36    #[doc = r" Parse `Self` from `bytes`."]
37    pub fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
38        <Self as ComponentConfig>::from_bytes(bytes)
39    }
40    pub fn record_inspect(&self, inspector_node: &Node) {
41        <Self as ComponentConfig>::record_inspect(self, inspector_node)
42    }
43}
44impl ComponentConfig for Config {
45    #[doc = r" Parse `Self` from `bytes`."]
46    fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
47        let (checksum_len_bytes, bytes) = bytes.split_at_checked(2).ok_or(Error::TooFewBytes)?;
48        let checksum_len_bytes: [u8; 2] =
49            checksum_len_bytes.try_into().expect("previous call guaranteed 2 element slice");
50        let checksum_length = u16::from_le_bytes(checksum_len_bytes) as usize;
51        let (observed_checksum, bytes) =
52            bytes.split_at_checked(checksum_length).ok_or(Error::TooFewBytes)?;
53        if observed_checksum != EXPECTED_CHECKSUM {
54            return Err(Error::ChecksumMismatch {
55                expected_checksum: EXPECTED_CHECKSUM.to_vec(),
56                observed_checksum: observed_checksum.to_vec(),
57            });
58        }
59        let fidl_config: FidlConfig = unpersist(bytes).map_err(Error::Unpersist)?;
60        Ok(Self {
61            attach_a11y_view: fidl_config.attach_a11y_view,
62            display_pixel_density: fidl_config.display_pixel_density,
63            display_rotation: fidl_config.display_rotation,
64            enable_merge_touch_events: fidl_config.enable_merge_touch_events,
65            idle_threshold_ms: fidl_config.idle_threshold_ms,
66            prefetch: fidl_config.prefetch,
67            supported_input_devices: fidl_config.supported_input_devices,
68            suspend_enabled: fidl_config.suspend_enabled,
69            viewing_distance: fidl_config.viewing_distance,
70        })
71    }
72    fn to_bytes(&self) -> Result<Vec<u8>, Error> {
73        let fidl_config = FidlConfig {
74            attach_a11y_view: self.attach_a11y_view.clone(),
75            display_pixel_density: self.display_pixel_density.clone(),
76            display_rotation: self.display_rotation.clone(),
77            enable_merge_touch_events: self.enable_merge_touch_events.clone(),
78            idle_threshold_ms: self.idle_threshold_ms.clone(),
79            prefetch: self.prefetch.clone(),
80            supported_input_devices: self.supported_input_devices.clone(),
81            suspend_enabled: self.suspend_enabled.clone(),
82            viewing_distance: self.viewing_distance.clone(),
83        };
84        let mut fidl_bytes = fidl::persist(&fidl_config).map_err(Error::Persist)?;
85        let mut bytes = Vec::with_capacity(
86            EXPECTED_CHECKSUM_LENGTH.len() + EXPECTED_CHECKSUM.len() + fidl_bytes.len(),
87        );
88        bytes.extend_from_slice(&EXPECTED_CHECKSUM_LENGTH);
89        bytes.extend_from_slice(EXPECTED_CHECKSUM);
90        bytes.append(&mut fidl_bytes);
91        Ok(bytes)
92    }
93    fn record_inspect(&self, inspector_node: &Node) {
94        inspector_node.record_bool("attach_a11y_view", self.attach_a11y_view);
95        inspector_node.record_string("display_pixel_density", &self.display_pixel_density);
96        inspector_node.record_uint("display_rotation", self.display_rotation);
97        inspector_node.record_bool("enable_merge_touch_events", self.enable_merge_touch_events);
98        inspector_node.record_uint("idle_threshold_ms", self.idle_threshold_ms);
99        inspector_node.record_bool("prefetch", self.prefetch);
100        let arr = inspector_node
101            .create_string_array("supported_input_devices", self.supported_input_devices.len());
102        for i in 0..self.supported_input_devices.len() {
103            arr.set(i, &self.supported_input_devices[i]);
104        }
105        inspector_node.record(arr);
106        inspector_node.record_bool("suspend_enabled", self.suspend_enabled);
107        inspector_node.record_string("viewing_distance", &self.viewing_distance);
108    }
109}
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
