wasma-client 1.3.0-beta-release2

use crate::parser::{Protocol, WasmaConfig};
use std::sync::atomic::{AtomicBool, Ordering};

pub static SINGULARITY_LOCK: AtomicBool = AtomicBool::new(false);

pub struct WindowSingularity {
    config: WasmaConfig,
    target_id: u8,
    screen_width: u32,
    screen_height: u32,
}

impl WindowSingularity {
    pub fn new(config: WasmaConfig, screen_width: u32, screen_height: u32) -> Self {
        Self {
            config,
            target_id: 0,
            screen_width,
            screen_height,
        }
    }

    pub fn enter_singularity_mode(&mut self, stream_id: u8) {
        SINGULARITY_LOCK.store(true, Ordering::SeqCst);
        self.target_id = stream_id;
        self.enforce_exclusive_resource();
    }

    fn enforce_exclusive_resource(&self) {
        if self.config.resource_limits.scope_level > 0 {
            unsafe {
                let vram_ptr = crate::wgclient::WASMA_VRAM_ADDR as *mut u8;
                std::ptr::write_bytes(
                    vram_ptr,
                    0,
                    (self.screen_width * self.screen_height * 4) as usize,
                );
            }
        }
    }

    pub fn get_exclusive_bounds(&self) -> (i32, i32, u32, u32) {
        (0, 0, self.screen_width, self.screen_height)
    }

    pub fn validate_protocol_focus(&self, proto: Protocol) -> bool {
        let active_proto = &self.config.uri_handling.protocols[self.target_id as usize].protocol;
        active_proto == &proto
    }

    pub fn exit_singularity_mode(&mut self) {
        SINGULARITY_LOCK.store(false, Ordering::SeqCst);
    }

    pub fn apply_hardware_acceleration(&self) {
        if let Some(proto) = self
            .config
            .uri_handling
            .protocols
            .get(self.target_id as usize)
        {
            match proto.protocol {
                Protocol::Grpc => {
                    // gRPC/HTTP2 HPACK compression optimization
                }
                Protocol::Tor => {
                    // Tor cell-buffer prioritizing
                }
                _ => {}
            }
        }
    }
}