MCP Server Tauri

use tauri::{Runtime, WebviewWindow}; // Platform-specific modules #[cfg(target_os = "macos")] mod macos; #[cfg(target_os = "windows")] mod windows; #[cfg(target_os = "linux")] mod linux; #[cfg(target_os = "ios")] mod ios; #[cfg(target_os = "android")] mod android; /// Screenshot result containing the image data #[derive(Debug)] pub struct Screenshot { /// The raw PNG bytes pub data: Vec<u8>, } /// Screenshot error types #[derive(Debug, thiserror::Error)] pub enum ScreenshotError { #[error("Platform not supported")] PlatformUnsupported, #[error("Webview capture failed: {0}")] CaptureFailed(String), #[error("Encoding failed: {0}")] EncodeFailed(String), #[error("Timeout exceeded")] Timeout, } /// Platform-specific screenshot implementation trait pub trait PlatformScreenshot { /// Capture a screenshot of the current viewport fn capture_viewport( window: &WebviewWindow<impl Runtime>, ) -> Result<Screenshot, ScreenshotError>; } /// Capture a screenshot of the current viewport using platform-specific APIs pub async fn capture_viewport_screenshot<R: Runtime>( window: &WebviewWindow<R>, format: &str, _quality: u8, ) -> Result<String, ScreenshotError> { // Dispatch to platform-specific implementation #[cfg(target_os = "macos")] let screenshot = macos::capture_viewport(window)?; #[cfg(target_os = "windows")] let screenshot = windows::capture_viewport(window)?; #[cfg(target_os = "linux")] let screenshot = linux::capture_viewport(window)?; #[cfg(target_os = "ios")] let screenshot = ios::capture_viewport(window)?; #[cfg(target_os = "android")] let screenshot = android::capture_viewport(window)?; #[cfg(not(any( target_os = "macos", target_os = "windows", target_os = "linux", target_os = "ios", target_os = "android" )))] return Err(ScreenshotError::PlatformUnsupported); // Convert to base64 data URL let mime_type = if format == "jpeg" { "image/jpeg" } else { "image/png" }; // If we need to convert PNG to JPEG or apply quality settings, // we'll need to use the image crate here // For now, we'll just return the PNG data use base64::Engine as _; let base64_data = base64::engine::general_purpose::STANDARD.encode(&screenshot.data); let data_url = format!("data:{mime_type};base64,{base64_data}"); Ok(data_url) }