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    0x17, 0xe4, 0x9c, 0x47, 0x5d, 0x21, 0x45, 0xe2, 0xe3, 0x9f, 0xcf, 0x72, 0x33, 0x07, 0x9a, 0x12,
8    0x27, 0xcc, 0x10, 0x00, 0x74, 0x21, 0xf8, 0x0d, 0x34, 0x80, 0x61, 0xbc, 0xcf, 0x8c, 0x6f, 0x26,
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    pub visual_debugging_level: u8,
23}
24impl Config {
25    #[doc = r" Take the config startup handle and parse its contents."]
26    #[doc = r""]
27    #[doc = r" # Panics"]
28    #[doc = r""]
29    #[doc = r" If the config startup handle was already taken or if it is not valid."]
30    pub fn take_from_startup_handle() -> Self {
31        <Self as ComponentConfig>::take_from_startup_handle()
32    }
33    #[doc = r" Parse `Self` from `vmo`."]
34    pub fn from_vmo(vmo: &zx::Vmo) -> Result<Self, Error> {
35        <Self as ComponentConfig>::from_vmo(vmo)
36    }
37    #[doc = r" Parse `Self` from `bytes`."]
38    pub fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
39        <Self as ComponentConfig>::from_bytes(bytes)
40    }
41    pub fn record_inspect(&self, inspector_node: &Node) {
42        <Self as ComponentConfig>::record_inspect(self, inspector_node)
43    }
44}
45impl ComponentConfig for Config {
46    #[doc = r" Parse `Self` from `bytes`."]
47    fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
48        let (checksum_len_bytes, bytes) = bytes.split_at_checked(2).ok_or(Error::TooFewBytes)?;
49        let checksum_len_bytes: [u8; 2] =
50            checksum_len_bytes.try_into().expect("previous call guaranteed 2 element slice");
51        let checksum_length = u16::from_le_bytes(checksum_len_bytes) as usize;
52        let (observed_checksum, bytes) =
53            bytes.split_at_checked(checksum_length).ok_or(Error::TooFewBytes)?;
54        if observed_checksum != EXPECTED_CHECKSUM {
55            return Err(Error::ChecksumMismatch {
56                expected_checksum: EXPECTED_CHECKSUM.to_vec(),
57                observed_checksum: observed_checksum.to_vec(),
58            });
59        }
60        let fidl_config: FidlConfig = unpersist(bytes).map_err(Error::Unpersist)?;
61        Ok(Self {
62            attach_a11y_view: fidl_config.attach_a11y_view,
63            display_pixel_density: fidl_config.display_pixel_density,
64            display_rotation: fidl_config.display_rotation,
65            enable_merge_touch_events: fidl_config.enable_merge_touch_events,
66            idle_threshold_ms: fidl_config.idle_threshold_ms,
67            prefetch: fidl_config.prefetch,
68            supported_input_devices: fidl_config.supported_input_devices,
69            suspend_enabled: fidl_config.suspend_enabled,
70            viewing_distance: fidl_config.viewing_distance,
71            visual_debugging_level: fidl_config.visual_debugging_level,
72        })
73    }
74    fn to_bytes(&self) -> Result<Vec<u8>, Error> {
75        let fidl_config = FidlConfig {
76            attach_a11y_view: self.attach_a11y_view.clone(),
77            display_pixel_density: self.display_pixel_density.clone(),
78            display_rotation: self.display_rotation.clone(),
79            enable_merge_touch_events: self.enable_merge_touch_events.clone(),
80            idle_threshold_ms: self.idle_threshold_ms.clone(),
81            prefetch: self.prefetch.clone(),
82            supported_input_devices: self.supported_input_devices.clone(),
83            suspend_enabled: self.suspend_enabled.clone(),
84            viewing_distance: self.viewing_distance.clone(),
85            visual_debugging_level: self.visual_debugging_level.clone(),
86        };
87        let mut fidl_bytes = fidl::persist(&fidl_config).map_err(Error::Persist)?;
88        let mut bytes = Vec::with_capacity(
89            EXPECTED_CHECKSUM_LENGTH.len() + EXPECTED_CHECKSUM.len() + fidl_bytes.len(),
90        );
91        bytes.extend_from_slice(&EXPECTED_CHECKSUM_LENGTH);
92        bytes.extend_from_slice(EXPECTED_CHECKSUM);
93        bytes.append(&mut fidl_bytes);
94        Ok(bytes)
95    }
96    fn record_inspect(&self, inspector_node: &Node) {
97        inspector_node.record_bool("attach_a11y_view", self.attach_a11y_view);
98        inspector_node.record_string("display_pixel_density", &self.display_pixel_density);
99        inspector_node.record_uint("display_rotation", self.display_rotation);
100        inspector_node.record_bool("enable_merge_touch_events", self.enable_merge_touch_events);
101        inspector_node.record_uint("idle_threshold_ms", self.idle_threshold_ms);
102        inspector_node.record_bool("prefetch", self.prefetch);
103        let arr = inspector_node
104            .create_string_array("supported_input_devices", self.supported_input_devices.len());
105        for i in 0..self.supported_input_devices.len() {
106            arr.set(i, &self.supported_input_devices[i]);
107        }
108        inspector_node.record(arr);
109        inspector_node.record_bool("suspend_enabled", self.suspend_enabled);
110        inspector_node.record_string("viewing_distance", &self.viewing_distance);
111        inspector_node.record_uint("visual_debugging_level", self.visual_debugging_level as u64);
112    }
113}
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
