MCP Server Tauri

//! Native screenshot capture. use tauri::{command, Runtime, WebviewWindow}; /// Native screenshot command using platform-specific APIs. /// /// This command takes a screenshot of the **current viewport** (visible area) of the webview /// using native platform APIs: /// - macOS/iOS: Uses WKWebView's takeSnapshot (viewport only) /// - Windows: Uses WebView2's CapturePreview (viewport by default) /// - Linux: Uses webkit_web_view_get_snapshot with WEBKIT_SNAPSHOT_REGION_VISIBLE /// - Android: Uses WebView.draw() to capture the visible viewport /// /// **Note**: This captures only what's currently visible in the viewport. /// The agent should scroll content into view before taking screenshots if needed. /// /// # Arguments /// /// * `window` - The window to capture /// * `format` - Image format ("png" or "jpeg") /// * `quality` - JPEG quality (0-100), only used for JPEG format /// /// # Returns /// /// * `Ok(String)` - Base64-encoded image data URL /// * `Err(String)` - Error message if capture fails #[command] pub async fn capture_native_screenshot<R: Runtime>( window: WebviewWindow<R>, format: Option<String>, quality: Option<u8>, ) -> Result<String, String> { let format = format.unwrap_or_else(|| "png".to_string()); let quality = quality.unwrap_or(90); // Use the screenshot module for viewport capture use crate::screenshot; match screenshot::capture_viewport_screenshot(&window, &format, quality).await { Ok(data_url) => Ok(data_url), Err(e) => Err(e.to_string()), } }