tauri-plugin-serialplugin 3.0.7

Tauri plugin for serial port access (desktop and Android).
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80

//! JNI bridge: Kotlin lifecycle/USB events → Rust hub.
//! RX path: Rust USB bulk-IN reader → [`serialport::SerialPort`] ring → [`PortRxHub`] poll.

#[cfg(target_os = "android")]
use crate::android::registry::{
    on_app_destroy, on_device_detached, on_port_list_change, on_usb_error,
};
#[cfg(target_os = "android")]
use jni::objects::{JClass, JString};
#[cfg(target_os = "android")]
use jni::JNIEnv;

#[cfg(target_os = "android")]
fn jstring_to_rust(env: &mut JNIEnv, s: &JString) -> Option<String> {
    env.get_string(s).ok().map(|j| j.into())
}

#[cfg(target_os = "android")]
#[no_mangle]
pub extern "system" fn Java_app_tauri_serialplugin_MobileBridge_onDeviceDetached(
    mut env: JNIEnv,
    _class: JClass,
    device_name: JString,
) {
    let Some(name) = jstring_to_rust(&mut env, &device_name) else {
        return;
    };
    crate::android::driver_host::global_host().on_device_detached(&name);
    on_device_detached(&name);
}

#[cfg(target_os = "android")]
#[no_mangle]
pub extern "system" fn Java_app_tauri_serialplugin_UsbNative_nativeInit(
    mut env: JNIEnv,
    class: JClass,
) {
    // `class` is UsbNative itself. Cache it here: FindClass on a Rust-attached
    // thread uses the system class loader and cannot see app classes.
    crate::android::fd_bridge::init_class(&mut env, &class);
    match env.get_java_vm() {
        Ok(vm) => crate::android::fd_bridge::init_java_vm(vm),
        Err(e) => {
            crate::log_error!("UsbNative nativeInit get_java_vm failed: {e}");
        }
    }
}

#[cfg(target_os = "android")]
#[no_mangle]
pub extern "system" fn Java_app_tauri_serialplugin_MobileBridge_onUsbError(
    mut env: JNIEnv,
    _class: JClass,
    path: JString,
    reason: JString,
) {
    let Some(path) = jstring_to_rust(&mut env, &path) else {
        return;
    };
    let reason = jstring_to_rust(&mut env, &reason).unwrap_or_else(|| "USB error".into());
    on_usb_error(&path, &reason);
}

#[cfg(target_os = "android")]
#[no_mangle]
pub extern "system" fn Java_app_tauri_serialplugin_MobileBridge_onPortListChange(
    _env: JNIEnv,
    _class: JClass,
) {
    on_port_list_change();
}

#[cfg(target_os = "android")]
#[no_mangle]
pub extern "system" fn Java_app_tauri_serialplugin_MobileBridge_onAppDestroy(
    _env: JNIEnv,
    _class: JClass,
) {
    on_app_destroy();
}