// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
// SPDX-License-Identifier: Apache-2.0
// SPDX-License-Identifier: MIT

//! The Tauri window types and functions.

pub(crate) mod plugin;

use http::HeaderMap;
pub use tauri_runtime::window::PageLoadEvent;
pub use tauri_utils::{config::Color, WindowEffect as Effect, WindowEffectState as EffectState};
use url::Url;

#[cfg(target_os = "macos")]
use crate::TitleBarStyle;
use crate::{
  app::{AppHandle, UriSchemeResponder},
  command::{CommandArg, CommandItem},
  event::{EmitArgs, Event, EventId},
  ipc::{
    CallbackFn, Invoke, InvokeBody, InvokeError, InvokeMessage, InvokeResolver,
    OwnedInvokeResponder,
  },
  manager::AppManager,
  runtime::{
    monitor::Monitor as RuntimeMonitor,
    webview::{WebviewAttributes, WindowBuilder as _},
    window::{
      dpi::{PhysicalPosition, PhysicalSize},
      DetachedWindow, PendingWindow,
    },
    Dispatch, RuntimeHandle,
  },
  sealed::ManagerBase,
  sealed::RuntimeOrDispatch,
  utils::config::{WindowConfig, WindowEffectsConfig, WindowUrl},
  EventLoopMessage, Manager, Runtime, Theme, WindowEvent,
};
#[cfg(desktop)]
use crate::{
  menu::{ContextMenu, Menu, MenuId},
  runtime::{
    window::dpi::{Position, Size},
    UserAttentionType,
  },
  CursorIcon, Icon,
};

use serde::Serialize;
#[cfg(windows)]
use windows::Win32::Foundation::HWND;

use tauri_macros::default_runtime;

use std::{
  borrow::Cow,
  collections::{HashMap, HashSet},
  fmt,
  hash::{Hash, Hasher},
  path::PathBuf,
  sync::{Arc, Mutex},
};

pub(crate) type WebResourceRequestHandler =
  dyn Fn(http::Request<Vec<u8>>, &mut http::Response<Cow<'static, [u8]>>) + Send + Sync;
pub(crate) type NavigationHandler = dyn Fn(&Url) -> bool + Send;
pub(crate) type UriSchemeProtocolHandler =
  Box<dyn Fn(http::Request<Vec<u8>>, UriSchemeResponder) + Send + Sync>;
pub(crate) type OnPageLoad<R> = dyn Fn(Window<R>, PageLoadPayload<'_>) + Send + Sync + 'static;

#[derive(Clone, Serialize)]
struct WindowCreatedEvent {
  label: String,
}

/// The payload for the [`WindowBuilder::on_page_load`] hook.
#[derive(Debug, Clone)]
pub struct PageLoadPayload<'a> {
  pub(crate) url: &'a Url,
  pub(crate) event: PageLoadEvent,
}

impl<'a> PageLoadPayload<'a> {
  /// The page URL.
  pub fn url(&self) -> &'a Url {
    self.url
  }

  /// The page load event.
  pub fn event(&self) -> PageLoadEvent {
    self.event
  }
}

/// Monitor descriptor.
#[derive(Debug, Clone, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Monitor {
  pub(crate) name: Option<String>,
  pub(crate) size: PhysicalSize<u32>,
  pub(crate) position: PhysicalPosition<i32>,
  pub(crate) scale_factor: f64,
}

impl From<RuntimeMonitor> for Monitor {
  fn from(monitor: RuntimeMonitor) -> Self {
    Self {
      name: monitor.name,
      size: monitor.size,
      position: monitor.position,
      scale_factor: monitor.scale_factor,
    }
  }
}

impl Monitor {
  /// Returns a human-readable name of the monitor.
  /// Returns None if the monitor doesn't exist anymore.
  pub fn name(&self) -> Option<&String> {
    self.name.as_ref()
  }

  /// Returns the monitor's resolution.
  pub fn size(&self) -> &PhysicalSize<u32> {
    &self.size
  }

  /// Returns the top-left corner position of the monitor relative to the larger full screen area.
  pub fn position(&self) -> &PhysicalPosition<i32> {
    &self.position
  }

  /// Returns the scale factor that can be used to map logical pixels to physical pixels, and vice versa.
  pub fn scale_factor(&self) -> f64 {
    self.scale_factor
  }
}

/// A builder for a webview window managed by Tauri.
#[default_runtime(crate::Wry, wry)]
pub struct WindowBuilder<'a, R: Runtime> {
  manager: Arc<AppManager<R>>,
  runtime: RuntimeOrDispatch<'a, R>,
  app_handle: AppHandle<R>,
  label: String,
  pub(crate) window_builder: <R::Dispatcher as Dispatch<EventLoopMessage>>::WindowBuilder,
  #[cfg(desktop)]
  pub(crate) menu: Option<Menu<R>>,
  pub(crate) webview_attributes: WebviewAttributes,
  web_resource_request_handler: Option<Box<WebResourceRequestHandler>>,
  navigation_handler: Option<Box<NavigationHandler>>,
  on_page_load_handler: Option<Box<OnPageLoad<R>>>,
  #[cfg(desktop)]
  on_menu_event: Option<crate::app::GlobalMenuEventListener<Window<R>>>,
}

impl<'a, R: Runtime> fmt::Debug for WindowBuilder<'a, R> {
  fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
    f.debug_struct("WindowBuilder")
      .field("manager", &self.manager)
      .field("app_handle", &self.app_handle)
      .field("label", &self.label)
      .field("window_builder", &self.window_builder)
      .field("webview_attributes", &self.webview_attributes)
      .finish()
  }
}

impl<'a, R: Runtime> WindowBuilder<'a, R> {
  /// Initializes a webview window builder with the given window label and URL to load on the webview.
  ///
  /// # Known issues
  ///
  /// On Windows, this function deadlocks when used in a synchronous command, see [the Webview2 issue].
  /// You should use `async` commands when creating windows.
  ///
  /// # Examples
  ///
  /// - Create a window in the setup hook:
  ///
  /// ```
  /// tauri::Builder::default()
  ///   .setup(|app| {
  ///     let window = tauri::WindowBuilder::new(app, "label", tauri::WindowUrl::App("index.html".into()))
  ///       .build()?;
  ///     Ok(())
  ///   });
  /// ```
  ///
  /// - Create a window in a separate thread:
  ///
  /// ```
  /// tauri::Builder::default()
  ///   .setup(|app| {
  ///     let handle = app.handle().clone();
  ///     std::thread::spawn(move || {
  ///       let window = tauri::WindowBuilder::new(&handle, "label", tauri::WindowUrl::App("index.html".into()))
  ///         .build()
  ///         .unwrap();
  ///     });
  ///     Ok(())
  ///   });
  /// ```
  ///
  /// - Create a window in a command:
  ///
  /// ```
  /// #[tauri::command]
  /// async fn create_window(app: tauri::AppHandle) {
  ///   let window = tauri::WindowBuilder::new(&app, "label", tauri::WindowUrl::External("https://tauri.app/".parse().unwrap()))
  ///     .build()
  ///     .unwrap();
  /// }
  /// ```
  ///
  /// [the Webview2 issue]: https://github.com/tauri-apps/wry/issues/583
  pub fn new<M: Manager<R>, L: Into<String>>(manager: &'a M, label: L, url: WindowUrl) -> Self {
    let runtime = manager.runtime();
    let app_handle = manager.app_handle().clone();
    Self {
      manager: manager.manager_owned(),
      runtime,
      app_handle,
      label: label.into(),
      window_builder: <R::Dispatcher as Dispatch<EventLoopMessage>>::WindowBuilder::new(),
      #[cfg(desktop)]
      menu: None,
      webview_attributes: WebviewAttributes::new(url),
      web_resource_request_handler: None,
      navigation_handler: None,
      on_page_load_handler: None,
      #[cfg(desktop)]
      on_menu_event: None,
    }
  }

  /// Initializes a webview window builder from a window config from tauri.conf.json.
  /// Keep in mind that you can't create 2 windows with the same `label` so make sure
  /// that the initial window was closed or change the label of the new `WindowBuilder`.
  ///
  /// # Known issues
  ///
  /// On Windows, this function deadlocks when used in a synchronous command, see [the Webview2 issue].
  /// You should use `async` commands when creating windows.
  ///
  /// # Examples
  ///
  /// - Create a window in a command:
  ///
  /// ```
  /// #[tauri::command]
  /// async fn reopen_window(app: tauri::AppHandle) {
  ///   let window = tauri::WindowBuilder::from_config(&app, app.config().tauri.windows.get(0).unwrap().clone())
  ///     .build()
  ///     .unwrap();
  /// }
  /// ```
  ///
  /// [the Webview2 issue]: https://github.com/tauri-apps/wry/issues/583
  pub fn from_config<M: Manager<R>>(manager: &'a M, config: WindowConfig) -> Self {
    let builder = Self {
      manager: manager.manager_owned(),
      runtime: manager.runtime(),
      app_handle: manager.app_handle().clone(),
      label: config.label.clone(),
      webview_attributes: WebviewAttributes::from(&config),
      window_builder: <R::Dispatcher as Dispatch<EventLoopMessage>>::WindowBuilder::with_config(
        config,
      ),
      web_resource_request_handler: None,
      #[cfg(desktop)]
      menu: None,
      navigation_handler: None,
      #[cfg(desktop)]
      on_menu_event: None,
      on_page_load_handler: None,
    };

    builder
  }

  /// Defines a closure to be executed when the webview makes an HTTP request for a web resource, allowing you to modify the response.
  ///
  /// Currently only implemented for the `tauri` URI protocol.
  ///
  /// **NOTE:** Currently this is **not** executed when using external URLs such as a development server,
  /// but it might be implemented in the future. **Always** check the request URL.
  ///
  /// # Examples
  ///
  /// ```rust,no_run
  /// use tauri::{
  ///   utils::config::{Csp, CspDirectiveSources, WindowUrl},
  ///   window::WindowBuilder,
  /// };
  /// use http::header::HeaderValue;
  /// use std::collections::HashMap;
  /// tauri::Builder::default()
  ///   .setup(|app| {
  ///     WindowBuilder::new(app, "core", WindowUrl::App("index.html".into()))
  ///       .on_web_resource_request(|request, response| {
  ///         if request.uri().scheme_str() == Some("tauri") {
  ///           // if we have a CSP header, Tauri is loading an HTML file
  ///           //  for this example, let's dynamically change the CSP
  ///           if let Some(csp) = response.headers_mut().get_mut("Content-Security-Policy") {
  ///             // use the tauri helper to parse the CSP policy to a map
  ///             let mut csp_map: HashMap<String, CspDirectiveSources> = Csp::Policy(csp.to_str().unwrap().to_string()).into();
  ///             csp_map.entry("script-src".to_string()).or_insert_with(Default::default).push("'unsafe-inline'");
  ///             // use the tauri helper to get a CSP string from the map
  ///             let csp_string = Csp::from(csp_map).to_string();
  ///             *csp = HeaderValue::from_str(&csp_string).unwrap();
  ///           }
  ///         }
  ///       })
  ///       .build()?;
  ///     Ok(())
  ///   });
  /// ```
  pub fn on_web_resource_request<
    F: Fn(http::Request<Vec<u8>>, &mut http::Response<Cow<'static, [u8]>>) + Send + Sync + 'static,
  >(
    mut self,
    f: F,
  ) -> Self {
    self.web_resource_request_handler.replace(Box::new(f));
    self
  }

  /// Defines a closure to be executed when the webview navigates to a URL. Returning `false` cancels the navigation.
  ///
  /// # Examples
  ///
  /// ```rust,no_run
  /// use tauri::{
  ///   utils::config::{Csp, CspDirectiveSources, WindowUrl},
  ///   window::WindowBuilder,
  /// };
  /// use http::header::HeaderValue;
  /// use std::collections::HashMap;
  /// tauri::Builder::default()
  ///   .setup(|app| {
  ///     WindowBuilder::new(app, "core", WindowUrl::App("index.html".into()))
  ///       .on_navigation(|url| {
  ///         // allow the production URL or localhost on dev
  ///         url.scheme() == "tauri" || (cfg!(dev) && url.host_str() == Some("localhost"))
  ///       })
  ///       .build()?;
  ///     Ok(())
  ///   });
  /// ```
  pub fn on_navigation<F: Fn(&Url) -> bool + Send + 'static>(mut self, f: F) -> Self {
    self.navigation_handler.replace(Box::new(f));
    self
  }

  /// Defines a closure to be executed when a page load event is triggered.
  /// The event can be either [`PageLoadEvent::Started`] if the page has started loading
  /// or [`PageLoadEvent::Finished`] when the page finishes loading.
  ///
  /// # Examples
  ///
  /// ```rust,no_run
  /// use tauri::{
  ///   utils::config::{Csp, CspDirectiveSources, WindowUrl},
  ///   window::{PageLoadEvent, WindowBuilder},
  /// };
  /// use http::header::HeaderValue;
  /// use std::collections::HashMap;
  /// tauri::Builder::default()
  ///   .setup(|app| {
  ///     WindowBuilder::new(app, "core", WindowUrl::App("index.html".into()))
  ///       .on_page_load(|window, payload| {
  ///         match payload.event() {
  ///           PageLoadEvent::Started => {
  ///             println!("{} finished loading", payload.url());
  ///           }
  ///           PageLoadEvent::Finished => {
  ///             println!("{} finished loading", payload.url());
  ///           }
  ///         }
  ///       })
  ///       .build()?;
  ///     Ok(())
  ///   });
  /// ```
  pub fn on_page_load<F: Fn(Window<R>, PageLoadPayload<'_>) + Send + Sync + 'static>(
    mut self,
    f: F,
  ) -> Self {
    self.on_page_load_handler.replace(Box::new(f));
    self
  }

  /// Registers a global menu event listener.
  ///
  /// Note that this handler is called for any menu event,
  /// whether it is coming from this window, another window or from the tray icon menu.
  ///
  /// Also note that this handler will not be called if
  /// the window used to register it was closed.
  ///
  /// # Examples
  /// ```
  /// use tauri::menu::{Menu, Submenu, MenuItem};
  /// tauri::Builder::default()
  ///   .setup(|app| {
  ///     let handle = app.handle();
  ///     let save_menu_item = MenuItem::new(handle, "Save", true, None);
  ///     let menu = Menu::with_items(handle, &[
  ///       &Submenu::with_items(handle, "File", true, &[
  ///         &save_menu_item,
  ///       ])?,
  ///     ])?;
  ///     let window = tauri::WindowBuilder::new(app, "editor", tauri::WindowUrl::default())
  ///       .menu(menu)
  ///       .on_menu_event(move |window, event| {
  ///         if event.id == save_menu_item.id() {
  ///           // save menu item
  ///         }
  ///       })
  ///       .build()
  ///       .unwrap();
  ///
  ///     Ok(())
  ///   });
  /// ```
  #[cfg(desktop)]
  pub fn on_menu_event<F: Fn(&Window<R>, crate::menu::MenuEvent) + Send + Sync + 'static>(
    mut self,
    f: F,
  ) -> Self {
    self.on_menu_event.replace(Box::new(f));
    self
  }

  /// Creates a new webview window.
  pub fn build(mut self) -> crate::Result<Window<R>> {
    let mut pending = PendingWindow::new(
      self.window_builder.clone(),
      self.webview_attributes.clone(),
      self.label.clone(),
    )?;
    pending.navigation_handler = self.navigation_handler.take();
    pending.web_resource_request_handler = self.web_resource_request_handler.take();

    if let Some(on_page_load_handler) = self.on_page_load_handler.take() {
      let label = pending.label.clone();
      let manager = self.app_handle.manager.clone();
      pending
        .on_page_load_handler
        .replace(Box::new(move |url, event| {
          if let Some(w) = manager.get_window(&label) {
            on_page_load_handler(w, PageLoadPayload { url: &url, event });
          }
        }));
    }

    let labels = self.manager.window.labels().into_iter().collect::<Vec<_>>();
    let pending = self
      .manager
      .window
      .prepare_window(self.app_handle.clone(), pending, &labels)?;

    #[cfg(desktop)]
    let window_menu = {
      let is_app_wide = self.menu.is_none();
      self
        .menu
        .or_else(|| self.app_handle.menu())
        .map(|menu| WindowMenu { is_app_wide, menu })
    };

    #[cfg(desktop)]
    let handler = self
      .manager
      .menu
      .prepare_window_menu_creation_handler(window_menu.as_ref());
    #[cfg(not(desktop))]
    #[allow(clippy::type_complexity)]
    let handler: Option<Box<dyn Fn(tauri_runtime::window::RawWindow<'_>) + Send>> = None;

    let window_effects = pending.webview_attributes.window_effects.clone();
    let window = match &mut self.runtime {
      RuntimeOrDispatch::Runtime(runtime) => runtime.create_window(pending, handler),
      RuntimeOrDispatch::RuntimeHandle(handle) => handle.create_window(pending, handler),
      RuntimeOrDispatch::Dispatch(dispatcher) => dispatcher.create_window(pending, handler),
    }
    .map(|window| {
      self.manager.window.attach_window(
        self.app_handle.clone(),
        window,
        #[cfg(desktop)]
        window_menu,
      )
    })?;

    #[cfg(desktop)]
    if let Some(handler) = self.on_menu_event {
      window.on_menu_event(handler);
    }

    if let Some(effects) = window_effects {
      crate::vibrancy::set_window_effects(&window, Some(effects))?;
    }
    self.manager.window.eval_script_all(format!(
      "window.__TAURI_INTERNALS__.metadata.windows = {window_labels_array}.map(function (label) {{ return {{ label: label }} }})",
      window_labels_array = serde_json::to_string(&self.manager.window.labels())?,
    ))?;

    self.manager.emit_filter(
      "tauri://window-created",
      None,
      Some(WindowCreatedEvent {
        label: window.label().into(),
      }),
      |w| w != &window,
    )?;

    Ok(window)
  }
}

/// Desktop APIs.
#[cfg(desktop)]
impl<'a, R: Runtime> WindowBuilder<'a, R> {
  /// Sets the menu for the window.
  #[must_use]
  pub fn menu(mut self, menu: Menu<R>) -> Self {
    self.menu.replace(menu);
    self
  }

  /// Show window in the center of the screen.
  #[must_use]
  pub fn center(mut self) -> Self {
    self.window_builder = self.window_builder.center();
    self
  }

  /// The initial position of the window's.
  #[must_use]
  pub fn position(mut self, x: f64, y: f64) -> Self {
    self.window_builder = self.window_builder.position(x, y);
    self
  }

  /// Window size.
  #[must_use]
  pub fn inner_size(mut self, width: f64, height: f64) -> Self {
    self.window_builder = self.window_builder.inner_size(width, height);
    self
  }

  /// Window min inner size.
  #[must_use]
  pub fn min_inner_size(mut self, min_width: f64, min_height: f64) -> Self {
    self.window_builder = self.window_builder.min_inner_size(min_width, min_height);
    self
  }

  /// Window max inner size.
  #[must_use]
  pub fn max_inner_size(mut self, max_width: f64, max_height: f64) -> Self {
    self.window_builder = self.window_builder.max_inner_size(max_width, max_height);
    self
  }

  /// Whether the window is resizable or not.
  /// When resizable is set to false, native window's maximize button is automatically disabled.
  #[must_use]
  pub fn resizable(mut self, resizable: bool) -> Self {
    self.window_builder = self.window_builder.resizable(resizable);
    self
  }

  /// Whether the window's native maximize button is enabled or not.
  /// If resizable is set to false, this setting is ignored.
  ///
  /// ## Platform-specific
  ///
  /// - **macOS:** Disables the "zoom" button in the window titlebar, which is also used to enter fullscreen mode.
  /// - **Linux / iOS / Android:** Unsupported.
  #[must_use]
  pub fn maximizable(mut self, maximizable: bool) -> Self {
    self.window_builder = self.window_builder.maximizable(maximizable);
    self
  }

  /// Whether the window's native minimize button is enabled or not.
  ///
  /// ## Platform-specific
  ///
  /// - **Linux / iOS / Android:** Unsupported.
  #[must_use]
  pub fn minimizable(mut self, minimizable: bool) -> Self {
    self.window_builder = self.window_builder.minimizable(minimizable);
    self
  }

  /// Whether the window's native close button is enabled or not.
  ///
  /// ## Platform-specific
  ///
  /// - **Linux:** "GTK+ will do its best to convince the window manager not to show a close button.
  ///   Depending on the system, this function may not have any effect when called on a window that is already visible"
  /// - **iOS / Android:** Unsupported.
  #[must_use]
  pub fn closable(mut self, closable: bool) -> Self {
    self.window_builder = self.window_builder.closable(closable);
    self
  }

  /// The title of the window in the title bar.
  #[must_use]
  pub fn title<S: Into<String>>(mut self, title: S) -> Self {
    self.window_builder = self.window_builder.title(title);
    self
  }

  /// Whether to start the window in fullscreen or not.
  #[must_use]
  pub fn fullscreen(mut self, fullscreen: bool) -> Self {
    self.window_builder = self.window_builder.fullscreen(fullscreen);
    self
  }

  /// Sets the window to be initially focused.
  #[must_use]
  #[deprecated(
    since = "1.2.0",
    note = "The window is automatically focused by default. This function Will be removed in 2.0.0. Use `focused` instead."
  )]
  pub fn focus(mut self) -> Self {
    self.window_builder = self.window_builder.focused(true);
    self
  }

  /// Whether the window will be initially focused or not.
  #[must_use]
  pub fn focused(mut self, focused: bool) -> Self {
    self.window_builder = self.window_builder.focused(focused);
    self
  }

  /// Whether the window should be maximized upon creation.
  #[must_use]
  pub fn maximized(mut self, maximized: bool) -> Self {
    self.window_builder = self.window_builder.maximized(maximized);
    self
  }

  /// Whether the window should be immediately visible upon creation.
  #[must_use]
  pub fn visible(mut self, visible: bool) -> Self {
    self.window_builder = self.window_builder.visible(visible);
    self
  }

  /// Forces a theme or uses the system settings if None was provided.
  ///
  /// ## Platform-specific
  ///
  /// - **macOS**: Only supported on macOS 10.14+.
  #[must_use]
  pub fn theme(mut self, theme: Option<Theme>) -> Self {
    self.window_builder = self.window_builder.theme(theme);
    self
  }

  /// Whether the window should be transparent. If this is true, writing colors
  /// with alpha values different than `1.0` will produce a transparent window.
  #[cfg(any(not(target_os = "macos"), feature = "macos-private-api"))]
  #[cfg_attr(
    docsrs,
    doc(cfg(any(not(target_os = "macos"), feature = "macos-private-api")))
  )]
  #[must_use]
  pub fn transparent(mut self, transparent: bool) -> Self {
    self.window_builder = self.window_builder.transparent(transparent);
    self
  }

  /// Whether the window should have borders and bars.
  #[must_use]
  pub fn decorations(mut self, decorations: bool) -> Self {
    self.window_builder = self.window_builder.decorations(decorations);
    self
  }

  /// Whether the window should always be below other windows.
  #[must_use]
  pub fn always_on_bottom(mut self, always_on_bottom: bool) -> Self {
    self.window_builder = self.window_builder.always_on_bottom(always_on_bottom);
    self
  }

  /// Whether the window should always be on top of other windows.
  #[must_use]
  pub fn always_on_top(mut self, always_on_top: bool) -> Self {
    self.window_builder = self.window_builder.always_on_top(always_on_top);
    self
  }

  /// Whether the window will be visible on all workspaces or virtual desktops.
  #[must_use]
  pub fn visible_on_all_workspaces(mut self, visible_on_all_workspaces: bool) -> Self {
    self.window_builder = self
      .window_builder
      .visible_on_all_workspaces(visible_on_all_workspaces);
    self
  }

  /// Prevents the window contents from being captured by other apps.
  #[must_use]
  pub fn content_protected(mut self, protected: bool) -> Self {
    self.window_builder = self.window_builder.content_protected(protected);
    self
  }

  /// Sets the window icon.
  pub fn icon(mut self, icon: Icon) -> crate::Result<Self> {
    self.window_builder = self.window_builder.icon(icon.try_into()?)?;
    Ok(self)
  }

  /// Sets whether or not the window icon should be hidden from the taskbar.
  ///
  /// ## Platform-specific
  ///
  /// - **macOS**: Unsupported.
  #[must_use]
  pub fn skip_taskbar(mut self, skip: bool) -> Self {
    self.window_builder = self.window_builder.skip_taskbar(skip);
    self
  }

  /// Sets whether or not the window has shadow.
  ///
  /// ## Platform-specific
  ///
  /// - **Windows:**
  ///   - `false` has no effect on decorated window, shadows are always ON.
  ///   - `true` will make ndecorated window have a 1px white border,
  /// and on Windows 11, it will have a rounded corners.
  /// - **Linux:** Unsupported.
  #[must_use]
  pub fn shadow(mut self, enable: bool) -> Self {
    self.window_builder = self.window_builder.shadow(enable);
    self
  }

  /// Sets a parent to the window to be created.
  ///
  /// A child window has the WS_CHILD style and is confined to the client area of its parent window.
  ///
  /// For more information, see <https://docs.microsoft.com/en-us/windows/win32/winmsg/window-features#child-windows>
  #[cfg(windows)]
  #[must_use]
  pub fn parent_window(mut self, parent: HWND) -> Self {
    self.window_builder = self.window_builder.parent_window(parent);
    self
  }

  /// Sets a parent to the window to be created.
  #[cfg(target_os = "macos")]
  #[must_use]
  pub fn parent_window(mut self, parent: *mut std::ffi::c_void) -> Self {
    self.window_builder = self.window_builder.parent_window(parent);
    self
  }

  /// Set an owner to the window to be created.
  ///
  /// From MSDN:
  /// - An owned window is always above its owner in the z-order.
  /// - The system automatically destroys an owned window when its owner is destroyed.
  /// - An owned window is hidden when its owner is minimized.
  ///
  /// For more information, see <https://docs.microsoft.com/en-us/windows/win32/winmsg/window-features#owned-windows>
  #[cfg(windows)]
  #[must_use]
  pub fn owner_window(mut self, owner: HWND) -> Self {
    self.window_builder = self.window_builder.owner_window(owner);
    self
  }

  /// Sets the [`TitleBarStyle`].
  #[cfg(target_os = "macos")]
  #[must_use]
  pub fn title_bar_style(mut self, style: TitleBarStyle) -> Self {
    self.window_builder = self.window_builder.title_bar_style(style);
    self
  }

  /// Hide the window title.
  #[cfg(target_os = "macos")]
  #[must_use]
  pub fn hidden_title(mut self, hidden: bool) -> Self {
    self.window_builder = self.window_builder.hidden_title(hidden);
    self
  }

  /// Defines the window [tabbing identifier] for macOS.
  ///
  /// Windows with matching tabbing identifiers will be grouped together.
  /// If the tabbing identifier is not set, automatic tabbing will be disabled.
  ///
  /// [tabbing identifier]: <https://developer.apple.com/documentation/appkit/nswindow/1644704-tabbingidentifier>
  #[cfg(target_os = "macos")]
  #[must_use]
  pub fn tabbing_identifier(mut self, identifier: &str) -> Self {
    self.window_builder = self.window_builder.tabbing_identifier(identifier);
    self
  }

  /// Sets whether clicking an inactive window also clicks through to the webview.
  #[must_use]
  pub fn accept_first_mouse(mut self, accept: bool) -> Self {
    self.webview_attributes.accept_first_mouse = accept;
    self
  }

  /// Sets window effects.
  ///
  /// Requires the window to be transparent.
  ///
  /// ## Platform-specific:
  ///
  /// - **Windows**: If using decorations or shadows, you may want to try this workaround <https://github.com/tauri-apps/tao/issues/72#issuecomment-975607891>
  /// - **Linux**: Unsupported
  pub fn effects(mut self, effects: WindowEffectsConfig) -> Self {
    self.webview_attributes = self.webview_attributes.window_effects(effects);
    self
  }
}

/// Webview attributes.
impl<'a, R: Runtime> WindowBuilder<'a, R> {
  /// Adds the provided JavaScript to a list of scripts that should be run after the global object has been created,
  /// but before the HTML document has been parsed and before any other script included by the HTML document is run.
  ///
  /// Since it runs on all top-level document and child frame page navigations,
  /// it's recommended to check the `window.location` to guard your script from running on unexpected origins.
  ///
  /// # Examples
  ///
  /// ```rust
  /// use tauri::{WindowBuilder, Runtime};
  ///
  /// const INIT_SCRIPT: &str = r#"
  ///   if (window.location.origin === 'https://tauri.app') {
  ///     console.log("hello world from js init script");
  ///
  ///     window.__MY_CUSTOM_PROPERTY__ = { foo: 'bar' };
  ///   }
  /// "#;
  ///
  /// fn main() {
  ///   tauri::Builder::default()
  ///     .setup(|app| {
  ///       let window = tauri::WindowBuilder::new(app, "label", tauri::WindowUrl::App("index.html".into()))
  ///         .initialization_script(INIT_SCRIPT)
  ///         .build()?;
  ///       Ok(())
  ///     });
  /// }
  /// ```
  #[must_use]
  pub fn initialization_script(mut self, script: &str) -> Self {
    self
      .webview_attributes
      .initialization_scripts
      .push(script.to_string());
    self
  }

  /// Set the user agent for the webview
  #[must_use]
  pub fn user_agent(mut self, user_agent: &str) -> Self {
    self.webview_attributes.user_agent = Some(user_agent.to_string());
    self
  }

  /// Set additional arguments for the webview.
  ///
  /// ## Platform-specific
  ///
  /// - **macOS / Linux / Android / iOS**: Unsupported.
  ///
  /// ## Warning
  ///
  /// By default wry passes `--disable-features=msWebOOUI,msPdfOOUI,msSmartScreenProtection`
  /// so if you use this method, you also need to disable these components by yourself if you want.
  #[must_use]
  pub fn additional_browser_args(mut self, additional_args: &str) -> Self {
    self.webview_attributes.additional_browser_args = Some(additional_args.to_string());
    self
  }

  /// Data directory for the webview.
  #[must_use]
  pub fn data_directory(mut self, data_directory: PathBuf) -> Self {
    self
      .webview_attributes
      .data_directory
      .replace(data_directory);
    self
  }

  /// Disables the file drop handler. This is required to use drag and drop APIs on the front end on Windows.
  #[must_use]
  pub fn disable_file_drop_handler(mut self) -> Self {
    self.webview_attributes.file_drop_handler_enabled = false;
    self
  }

  /// Enables clipboard access for the page rendered on **Linux** and **Windows**.
  ///
  /// **macOS** doesn't provide such method and is always enabled by default,
  /// but you still need to add menu item accelerators to use shortcuts.
  #[must_use]
  pub fn enable_clipboard_access(mut self) -> Self {
    self.webview_attributes.clipboard = true;
    self
  }

  /// Enable or disable incognito mode for the WebView..
  ///
  ///  ## Platform-specific:
  ///
  ///  **Android**: Unsupported.
  #[must_use]
  pub fn incognito(mut self, incognito: bool) -> Self {
    self.webview_attributes.incognito = incognito;
    self
  }
}

/// Key for a JS event listener.
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
struct JsEventListenerKey {
  /// The associated window label.
  pub window_label: Option<String>,
  /// The event name.
  pub event: String,
}

/// The IPC invoke request.
#[derive(Debug)]
pub struct InvokeRequest {
  /// The invoke command.
  pub cmd: String,
  /// The success callback.
  pub callback: CallbackFn,
  /// The error callback.
  pub error: CallbackFn,
  /// The body of the request.
  pub body: InvokeBody,
  /// The request headers.
  pub headers: HeaderMap,
}

/// A wrapper struct to hold the window menu state
/// and whether it is global per-app or specific to this window.
#[cfg(desktop)]
pub(crate) struct WindowMenu<R: Runtime> {
  pub(crate) is_app_wide: bool,
  pub(crate) menu: Menu<R>,
}

// TODO: expand these docs since this is a pretty important type
/// A webview window managed by Tauri.
///
/// This type also implements [`Manager`] which allows you to manage other windows attached to
/// the same application.
#[default_runtime(crate::Wry, wry)]
pub struct Window<R: Runtime> {
  /// The webview window created by the runtime.
  pub(crate) window: DetachedWindow<EventLoopMessage, R>,
  /// The manager to associate this webview window with.
  pub(crate) manager: Arc<AppManager<R>>,
  pub(crate) app_handle: AppHandle<R>,
  js_event_listeners: Arc<Mutex<HashMap<JsEventListenerKey, HashSet<EventId>>>>,
  // The menu set for this window
  #[cfg(desktop)]
  pub(crate) menu: Arc<Mutex<Option<WindowMenu<R>>>>,
}

impl<R: Runtime> std::fmt::Debug for Window<R> {
  fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
    f.debug_struct("Window")
      .field("window", &self.window)
      .field("manager", &self.manager)
      .field("app_handle", &self.app_handle)
      .field("js_event_listeners", &self.js_event_listeners)
      .finish()
  }
}

unsafe impl<R: Runtime> raw_window_handle::HasRawWindowHandle for Window<R> {
  fn raw_window_handle(&self) -> raw_window_handle::RawWindowHandle {
    self.window.dispatcher.raw_window_handle().unwrap()
  }
}

impl<R: Runtime> Clone for Window<R> {
  fn clone(&self) -> Self {
    Self {
      window: self.window.clone(),
      manager: self.manager.clone(),
      app_handle: self.app_handle.clone(),
      js_event_listeners: self.js_event_listeners.clone(),
      #[cfg(desktop)]
      menu: self.menu.clone(),
    }
  }
}

impl<R: Runtime> Hash for Window<R> {
  /// Only use the [`Window`]'s label to represent its hash.
  fn hash<H: Hasher>(&self, state: &mut H) {
    self.window.label.hash(state)
  }
}

impl<R: Runtime> Eq for Window<R> {}
impl<R: Runtime> PartialEq for Window<R> {
  /// Only use the [`Window`]'s label to compare equality.
  fn eq(&self, other: &Self) -> bool {
    self.window.label.eq(&other.window.label)
  }
}

impl<R: Runtime> Manager<R> for Window<R> {
  fn emit<S: Serialize + Clone>(&self, event: &str, payload: S) -> crate::Result<()> {
    self.manager().emit(event, Some(self.label()), payload)?;
    Ok(())
  }

  fn emit_to<S: Serialize + Clone>(
    &self,
    label: &str,
    event: &str,
    payload: S,
  ) -> crate::Result<()> {
    self
      .manager()
      .emit_filter(event, Some(self.label()), payload, |w| label == w.label())
  }

  fn emit_filter<S, F>(&self, event: &str, payload: S, filter: F) -> crate::Result<()>
  where
    S: Serialize + Clone,
    F: Fn(&Window<R>) -> bool,
  {
    self
      .manager()
      .emit_filter(event, Some(self.label()), payload, filter)
  }
}
impl<R: Runtime> ManagerBase<R> for Window<R> {
  fn manager(&self) -> &AppManager<R> {
    &self.manager
  }

  fn manager_owned(&self) -> Arc<AppManager<R>> {
    self.manager.clone()
  }

  fn runtime(&self) -> RuntimeOrDispatch<'_, R> {
    RuntimeOrDispatch::Dispatch(self.dispatcher())
  }

  fn managed_app_handle(&self) -> &AppHandle<R> {
    &self.app_handle
  }
}

impl<'de, R: Runtime> CommandArg<'de, R> for Window<R> {
  /// Grabs the [`Window`] from the [`CommandItem`]. This will never fail.
  fn from_command(command: CommandItem<'de, R>) -> Result<Self, InvokeError> {
    Ok(command.message.window())
  }
}

/// The platform webview handle. Accessed with [`Window#method.with_webview`];
#[cfg(feature = "wry")]
#[cfg_attr(docsrs, doc(cfg(feature = "wry")))]
pub struct PlatformWebview(tauri_runtime_wry::Webview);

#[cfg(feature = "wry")]
impl PlatformWebview {
  /// Returns [`webkit2gtk::WebView`] handle.
  #[cfg(any(
    target_os = "linux",
    target_os = "dragonfly",
    target_os = "freebsd",
    target_os = "netbsd",
    target_os = "openbsd"
  ))]
  #[cfg_attr(
    docsrs,
    doc(cfg(any(
      target_os = "linux",
      target_os = "dragonfly",
      target_os = "freebsd",
      target_os = "netbsd",
      target_os = "openbsd"
    )))
  )]
  pub fn inner(&self) -> webkit2gtk::WebView {
    self.0.clone()
  }

  /// Returns the WebView2 controller.
  #[cfg(windows)]
  #[cfg_attr(docsrs, doc(cfg(windows)))]
  pub fn controller(
    &self,
  ) -> webview2_com::Microsoft::Web::WebView2::Win32::ICoreWebView2Controller {
    self.0.controller.clone()
  }

  /// Returns the [WKWebView] handle.
  ///
  /// [WKWebView]: https://developer.apple.com/documentation/webkit/wkwebview
  #[cfg(any(target_os = "macos", target_os = "ios"))]
  #[cfg_attr(docsrs, doc(cfg(any(target_os = "macos", target_os = "ios"))))]
  pub fn inner(&self) -> cocoa::base::id {
    self.0.webview
  }

  /// Returns WKWebView [controller] handle.
  ///
  /// [controller]: https://developer.apple.com/documentation/webkit/wkusercontentcontroller
  #[cfg(any(target_os = "macos", target_os = "ios"))]
  #[cfg_attr(docsrs, doc(cfg(any(target_os = "macos", target_os = "ios"))))]
  pub fn controller(&self) -> cocoa::base::id {
    self.0.manager
  }

  /// Returns [NSWindow] associated with the WKWebView webview.
  ///
  /// [NSWindow]: https://developer.apple.com/documentation/appkit/nswindow
  #[cfg(target_os = "macos")]
  #[cfg_attr(docsrs, doc(cfg(target_os = "macos")))]
  pub fn ns_window(&self) -> cocoa::base::id {
    self.0.ns_window
  }

  /// Returns [UIViewController] used by the WKWebView webview NSWindow.
  ///
  /// [UIViewController]: https://developer.apple.com/documentation/uikit/uiviewcontroller
  #[cfg(target_os = "ios")]
  #[cfg_attr(docsrs, doc(cfg(target_os = "ios")))]
  pub fn view_controller(&self) -> cocoa::base::id {
    self.0.view_controller
  }

  /// Returns handle for JNI execution.
  #[cfg(target_os = "android")]
  pub fn jni_handle(&self) -> tauri_runtime_wry::wry::JniHandle {
    self.0
  }
}

/// Base window functions.
impl<R: Runtime> Window<R> {
  /// Create a new window that is attached to the manager.
  pub(crate) fn new(
    manager: Arc<AppManager<R>>,
    window: DetachedWindow<EventLoopMessage, R>,
    app_handle: AppHandle<R>,
    #[cfg(desktop)] menu: Option<WindowMenu<R>>,
  ) -> Self {
    Self {
      window,
      manager,
      app_handle,
      js_event_listeners: Default::default(),
      #[cfg(desktop)]
      menu: Arc::new(Mutex::new(menu)),
    }
  }

  /// Initializes a webview window builder with the given window label and URL to load on the webview.
  ///
  /// Data URLs are only supported with the `window-data-url` feature flag.
  pub fn builder<'a, M: Manager<R>, L: Into<String>>(
    manager: &'a M,
    label: L,
    url: WindowUrl,
  ) -> WindowBuilder<'a, R> {
    WindowBuilder::<'a, R>::new(manager, label.into(), url)
  }

  /// The current window's dispatcher.
  pub(crate) fn dispatcher(&self) -> R::Dispatcher {
    self.window.dispatcher.clone()
  }

  /// Runs the given closure on the main thread.
  pub fn run_on_main_thread<F: FnOnce() + Send + 'static>(&self, f: F) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .run_on_main_thread(f)
      .map_err(Into::into)
  }

  /// The label of this window.
  pub fn label(&self) -> &str {
    &self.window.label
  }

  /// Registers a window event listener.
  pub fn on_window_event<F: Fn(&WindowEvent) + Send + 'static>(&self, f: F) {
    self
      .window
      .dispatcher
      .on_window_event(move |event| f(&event.clone().into()));
  }

  /// Executes a closure, providing it with the webview handle that is specific to the current platform.
  ///
  /// The closure is executed on the main thread.
  ///
  /// # Examples
  ///
  /// ```rust,no_run
  /// #[cfg(target_os = "macos")]
  /// #[macro_use]
  /// extern crate objc;
  /// use tauri::Manager;
  ///
  /// fn main() {
  ///   tauri::Builder::default()
  ///     .setup(|app| {
  ///       let main_window = app.get_window("main").unwrap();
  ///       main_window.with_webview(|webview| {
  ///         #[cfg(target_os = "linux")]
  ///         {
  ///           // see https://docs.rs/webkit2gtk/2.0.0/webkit2gtk/struct.WebView.html
  ///           // and https://docs.rs/webkit2gtk/2.0.0/webkit2gtk/trait.WebViewExt.html
  ///           use webkit2gtk::WebViewExt;
  ///           webview.inner().set_zoom_level(4.);
  ///         }
  ///
  ///         #[cfg(windows)]
  ///         unsafe {
  ///           // see https://docs.rs/webview2-com/0.19.1/webview2_com/Microsoft/Web/WebView2/Win32/struct.ICoreWebView2Controller.html
  ///           webview.controller().SetZoomFactor(4.).unwrap();
  ///         }
  ///
  ///         #[cfg(target_os = "macos")]
  ///         unsafe {
  ///           let () = msg_send![webview.inner(), setPageZoom: 4.];
  ///           let () = msg_send![webview.controller(), removeAllUserScripts];
  ///           let bg_color: cocoa::base::id = msg_send![class!(NSColor), colorWithDeviceRed:0.5 green:0.2 blue:0.4 alpha:1.];
  ///           let () = msg_send![webview.ns_window(), setBackgroundColor: bg_color];
  ///         }
  ///
  ///         #[cfg(target_os = "android")]
  ///         {
  ///           use jni::objects::JValue;
  ///           webview.jni_handle().exec(|env, _, webview| {
  ///             env.call_method(webview, "zoomBy", "(F)V", &[JValue::Float(4.)]).unwrap();
  ///           })
  ///         }
  ///       });
  ///       Ok(())
  ///   });
  /// }
  /// ```
  #[cfg(feature = "wry")]
  #[cfg_attr(docsrs, doc(feature = "wry"))]
  pub fn with_webview<F: FnOnce(PlatformWebview) + Send + 'static>(
    &self,
    f: F,
  ) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .with_webview(|w| f(PlatformWebview(*w.downcast().unwrap())))
      .map_err(Into::into)
  }
}

/// Menu APIs
#[cfg(desktop)]
impl<R: Runtime> Window<R> {
  /// Registers a global menu event listener.
  ///
  /// Note that this handler is called for any menu event,
  /// whether it is coming from this window, another window or from the tray icon menu.
  ///
  /// Also note that this handler will not be called if
  /// the window used to register it was closed.
  ///
  /// # Examples
  /// ```
  /// use tauri::menu::{Menu, Submenu, MenuItem};
  /// tauri::Builder::default()
  ///   .setup(|app| {
  ///     let handle = app.handle();
  ///     let save_menu_item = MenuItem::new(handle, "Save", true, None);
  ///     let menu = Menu::with_items(handle, &[
  ///       &Submenu::with_items(handle, "File", true, &[
  ///         &save_menu_item,
  ///       ])?,
  ///     ])?;
  ///     let window = tauri::WindowBuilder::new(app, "editor", tauri::WindowUrl::default())
  ///       .menu(menu)
  ///       .build()
  ///       .unwrap();
  ///
  ///     window.on_menu_event(move |window, event| {
  ///       if event.id == save_menu_item.id() {
  ///           // save menu item
  ///       }
  ///     });
  ///
  ///     Ok(())
  ///   });
  /// ```
  pub fn on_menu_event<F: Fn(&Window<R>, crate::menu::MenuEvent) + Send + Sync + 'static>(
    &self,
    f: F,
  ) {
    self
      .manager
      .menu
      .event_listeners
      .lock()
      .unwrap()
      .insert(self.label().to_string(), Box::new(f));
  }

  pub(crate) fn menu_lock(&self) -> std::sync::MutexGuard<'_, Option<WindowMenu<R>>> {
    self.menu.lock().expect("poisoned window")
  }

  #[cfg_attr(target_os = "macos", allow(dead_code))]
  pub(crate) fn has_app_wide_menu(&self) -> bool {
    self
      .menu_lock()
      .as_ref()
      .map(|m| m.is_app_wide)
      .unwrap_or(false)
  }

  #[cfg_attr(target_os = "macos", allow(dead_code))]
  pub(crate) fn is_menu_in_use<I: PartialEq<MenuId>>(&self, id: &I) -> bool {
    self
      .menu_lock()
      .as_ref()
      .map(|m| id.eq(m.menu.id()))
      .unwrap_or(false)
  }

  /// Returns this window menu .
  pub fn menu(&self) -> Option<Menu<R>> {
    self.menu_lock().as_ref().map(|m| m.menu.clone())
  }

  /// Sets the window menu and returns the previous one.
  ///
  /// ## Platform-specific:
  ///
  /// - **macOS:** Unsupported. The menu on macOS is app-wide and not specific to one
  /// window, if you need to set it, use [`AppHandle::set_menu`] instead.
  #[cfg_attr(target_os = "macos", allow(unused_variables))]
  pub fn set_menu(&self, menu: Menu<R>) -> crate::Result<Option<Menu<R>>> {
    let prev_menu = self.remove_menu()?;

    self.manager.menu.insert_menu_into_stash(&menu);

    let window = self.clone();
    let menu_ = menu.clone();
    self.run_on_main_thread(move || {
      #[cfg(windows)]
      if let Ok(hwnd) = window.hwnd() {
        let _ = menu_.inner().init_for_hwnd(hwnd.0);
      }
      #[cfg(any(
        target_os = "linux",
        target_os = "dragonfly",
        target_os = "freebsd",
        target_os = "netbsd",
        target_os = "openbsd"
      ))]
      if let (Ok(gtk_window), Ok(gtk_box)) = (window.gtk_window(), window.default_vbox()) {
        let _ = menu_
          .inner()
          .init_for_gtk_window(&gtk_window, Some(&gtk_box));
      }
    })?;

    self.menu_lock().replace(WindowMenu {
      is_app_wide: false,
      menu,
    });

    Ok(prev_menu)
  }

  /// Removes the window menu and returns it.
  ///
  /// ## Platform-specific:
  ///
  /// - **macOS:** Unsupported. The menu on macOS is app-wide and not specific to one
  /// window, if you need to remove it, use [`AppHandle::remove_menu`] instead.
  pub fn remove_menu(&self) -> crate::Result<Option<Menu<R>>> {
    let prev_menu = self.menu_lock().take().map(|m| m.menu);

    // remove from the window
    #[cfg_attr(target_os = "macos", allow(unused_variables))]
    if let Some(menu) = &prev_menu {
      let window = self.clone();
      let menu = menu.clone();
      self.run_on_main_thread(move || {
        #[cfg(windows)]
        if let Ok(hwnd) = window.hwnd() {
          let _ = menu.inner().remove_for_hwnd(hwnd.0);
        }
        #[cfg(any(
          target_os = "linux",
          target_os = "dragonfly",
          target_os = "freebsd",
          target_os = "netbsd",
          target_os = "openbsd"
        ))]
        if let Ok(gtk_window) = window.gtk_window() {
          let _ = menu.inner().remove_for_gtk_window(&gtk_window);
        }
      })?;
    }

    self
      .manager
      .remove_menu_from_stash_by_id(prev_menu.as_ref().map(|m| m.id()));

    Ok(prev_menu)
  }

  /// Hides the window menu.
  pub fn hide_menu(&self) -> crate::Result<()> {
    // remove from the window
    #[cfg_attr(target_os = "macos", allow(unused_variables))]
    if let Some(window_menu) = &*self.menu_lock() {
      let window = self.clone();
      let menu_ = window_menu.menu.clone();
      self.run_on_main_thread(move || {
        #[cfg(windows)]
        if let Ok(hwnd) = window.hwnd() {
          let _ = menu_.inner().hide_for_hwnd(hwnd.0);
        }
        #[cfg(any(
          target_os = "linux",
          target_os = "dragonfly",
          target_os = "freebsd",
          target_os = "netbsd",
          target_os = "openbsd"
        ))]
        if let Ok(gtk_window) = window.gtk_window() {
          let _ = menu_.inner().hide_for_gtk_window(&gtk_window);
        }
      })?;
    }

    Ok(())
  }

  /// Shows the window menu.
  pub fn show_menu(&self) -> crate::Result<()> {
    // remove from the window
    #[cfg_attr(target_os = "macos", allow(unused_variables))]
    if let Some(window_menu) = &*self.menu_lock() {
      let window = self.clone();
      let menu_ = window_menu.menu.clone();
      self.run_on_main_thread(move || {
        #[cfg(windows)]
        if let Ok(hwnd) = window.hwnd() {
          let _ = menu_.inner().show_for_hwnd(hwnd.0);
        }
        #[cfg(any(
          target_os = "linux",
          target_os = "dragonfly",
          target_os = "freebsd",
          target_os = "netbsd",
          target_os = "openbsd"
        ))]
        if let Ok(gtk_window) = window.gtk_window() {
          let _ = menu_.inner().show_for_gtk_window(&gtk_window);
        }
      })?;
    }

    Ok(())
  }

  /// Shows the window menu.
  pub fn is_menu_visible(&self) -> crate::Result<bool> {
    // remove from the window
    #[cfg_attr(target_os = "macos", allow(unused_variables))]
    if let Some(window_menu) = &*self.menu_lock() {
      let (tx, rx) = std::sync::mpsc::channel();
      let window = self.clone();
      let menu_ = window_menu.menu.clone();
      self.run_on_main_thread(move || {
        #[cfg(windows)]
        if let Ok(hwnd) = window.hwnd() {
          let _ = tx.send(menu_.inner().is_visible_on_hwnd(hwnd.0));
        }
        #[cfg(any(
          target_os = "linux",
          target_os = "dragonfly",
          target_os = "freebsd",
          target_os = "netbsd",
          target_os = "openbsd"
        ))]
        if let Ok(gtk_window) = window.gtk_window() {
          let _ = tx.send(menu_.inner().is_visible_on_gtk_window(&gtk_window));
        }
      })?;

      return Ok(rx.recv().unwrap_or(false));
    }

    Ok(false)
  }

  /// Shows the specified menu as a context menu at the cursor position.
  pub fn popup_menu<M: ContextMenu>(&self, menu: &M) -> crate::Result<()> {
    menu.popup(self.clone())
  }

  /// Shows the specified menu as a context menu at the specified position.
  ///
  /// The position is relative to the window's top-left corner.
  pub fn popup_menu_at<M: ContextMenu, P: Into<Position>>(
    &self,
    menu: &M,
    position: P,
  ) -> crate::Result<()> {
    menu.popup_at(self.clone(), position)
  }
}

/// Window getters.
impl<R: Runtime> Window<R> {
  /// Returns the scale factor that can be used to map logical pixels to physical pixels, and vice versa.
  pub fn scale_factor(&self) -> crate::Result<f64> {
    self.window.dispatcher.scale_factor().map_err(Into::into)
  }

  /// Returns the position of the top-left hand corner of the window's client area relative to the top-left hand corner of the desktop.
  pub fn inner_position(&self) -> crate::Result<PhysicalPosition<i32>> {
    self.window.dispatcher.inner_position().map_err(Into::into)
  }

  /// Returns the position of the top-left hand corner of the window relative to the top-left hand corner of the desktop.
  pub fn outer_position(&self) -> crate::Result<PhysicalPosition<i32>> {
    self.window.dispatcher.outer_position().map_err(Into::into)
  }

  /// Returns the physical size of the window's client area.
  ///
  /// The client area is the content of the window, excluding the title bar and borders.
  pub fn inner_size(&self) -> crate::Result<PhysicalSize<u32>> {
    self.window.dispatcher.inner_size().map_err(Into::into)
  }

  /// Returns the physical size of the entire window.
  ///
  /// These dimensions include the title bar and borders. If you don't want that (and you usually don't), use inner_size instead.
  pub fn outer_size(&self) -> crate::Result<PhysicalSize<u32>> {
    self.window.dispatcher.outer_size().map_err(Into::into)
  }

  /// Gets the window's current fullscreen state.
  pub fn is_fullscreen(&self) -> crate::Result<bool> {
    self.window.dispatcher.is_fullscreen().map_err(Into::into)
  }

  /// Gets the window's current minimized state.
  pub fn is_minimized(&self) -> crate::Result<bool> {
    self.window.dispatcher.is_minimized().map_err(Into::into)
  }

  /// Gets the window's current maximized state.
  pub fn is_maximized(&self) -> crate::Result<bool> {
    self.window.dispatcher.is_maximized().map_err(Into::into)
  }

  /// Gets the window's current focus state.
  pub fn is_focused(&self) -> crate::Result<bool> {
    self.window.dispatcher.is_focused().map_err(Into::into)
  }

  /// Gets the window’s current decoration state.
  pub fn is_decorated(&self) -> crate::Result<bool> {
    self.window.dispatcher.is_decorated().map_err(Into::into)
  }

  /// Gets the window’s current resizable state.
  pub fn is_resizable(&self) -> crate::Result<bool> {
    self.window.dispatcher.is_resizable().map_err(Into::into)
  }

  /// Gets the window’s native maximize button state
  ///
  /// ## Platform-specific
  ///
  /// - **Linux / iOS / Android:** Unsupported.
  pub fn is_maximizable(&self) -> crate::Result<bool> {
    self.window.dispatcher.is_maximizable().map_err(Into::into)
  }

  /// Gets the window’s native minimize button state
  ///
  /// ## Platform-specific
  ///
  /// - **Linux / iOS / Android:** Unsupported.
  pub fn is_minimizable(&self) -> crate::Result<bool> {
    self.window.dispatcher.is_minimizable().map_err(Into::into)
  }

  /// Gets the window’s native close button state
  ///
  /// ## Platform-specific
  ///
  /// - **Linux / iOS / Android:** Unsupported.
  pub fn is_closable(&self) -> crate::Result<bool> {
    self.window.dispatcher.is_closable().map_err(Into::into)
  }

  /// Gets the window's current visibility state.
  pub fn is_visible(&self) -> crate::Result<bool> {
    self.window.dispatcher.is_visible().map_err(Into::into)
  }

  /// Gets the window's current title.
  pub fn title(&self) -> crate::Result<String> {
    self.window.dispatcher.title().map_err(Into::into)
  }

  /// Returns the monitor on which the window currently resides.
  ///
  /// Returns None if current monitor can't be detected.
  pub fn current_monitor(&self) -> crate::Result<Option<Monitor>> {
    self
      .window
      .dispatcher
      .current_monitor()
      .map(|m| m.map(Into::into))
      .map_err(Into::into)
  }

  /// Returns the primary monitor of the system.
  ///
  /// Returns None if it can't identify any monitor as a primary one.
  pub fn primary_monitor(&self) -> crate::Result<Option<Monitor>> {
    self
      .window
      .dispatcher
      .primary_monitor()
      .map(|m| m.map(Into::into))
      .map_err(Into::into)
  }

  /// Returns the list of all the monitors available on the system.
  pub fn available_monitors(&self) -> crate::Result<Vec<Monitor>> {
    self
      .window
      .dispatcher
      .available_monitors()
      .map(|m| m.into_iter().map(Into::into).collect())
      .map_err(Into::into)
  }

  /// Returns the native handle that is used by this window.
  #[cfg(target_os = "macos")]
  pub fn ns_window(&self) -> crate::Result<*mut std::ffi::c_void> {
    self
      .window
      .dispatcher
      .raw_window_handle()
      .map_err(Into::into)
      .and_then(|handle| {
        if let raw_window_handle::RawWindowHandle::AppKit(h) = handle {
          Ok(h.ns_window)
        } else {
          Err(crate::Error::InvalidWindowHandle)
        }
      })
  }

  /// Returns the pointer to the content view of this window.
  #[cfg(target_os = "macos")]
  pub fn ns_view(&self) -> crate::Result<*mut std::ffi::c_void> {
    self
      .window
      .dispatcher
      .raw_window_handle()
      .map_err(Into::into)
      .and_then(|handle| {
        if let raw_window_handle::RawWindowHandle::AppKit(h) = handle {
          Ok(h.ns_view)
        } else {
          Err(crate::Error::InvalidWindowHandle)
        }
      })
  }

  /// Returns the native handle that is used by this window.
  #[cfg(windows)]
  pub fn hwnd(&self) -> crate::Result<HWND> {
    self
      .window
      .dispatcher
      .raw_window_handle()
      .map_err(Into::into)
      .and_then(|handle| {
        if let raw_window_handle::RawWindowHandle::Win32(h) = handle {
          Ok(HWND(h.hwnd as _))
        } else {
          Err(crate::Error::InvalidWindowHandle)
        }
      })
  }

  /// Returns the `ApplicationWindow` from gtk crate that is used by this window.
  ///
  /// Note that this type can only be used on the main thread.
  #[cfg(any(
    target_os = "linux",
    target_os = "dragonfly",
    target_os = "freebsd",
    target_os = "netbsd",
    target_os = "openbsd"
  ))]
  pub fn gtk_window(&self) -> crate::Result<gtk::ApplicationWindow> {
    self.window.dispatcher.gtk_window().map_err(Into::into)
  }

  /// Returns the vertical [`gtk::Box`] that is added by default as the sole child of this window.
  ///
  /// Note that this type can only be used on the main thread.
  #[cfg(any(
    target_os = "linux",
    target_os = "dragonfly",
    target_os = "freebsd",
    target_os = "netbsd",
    target_os = "openbsd"
  ))]
  pub fn default_vbox(&self) -> crate::Result<gtk::Box> {
    self.window.dispatcher.default_vbox().map_err(Into::into)
  }

  /// Returns the current window theme.
  ///
  /// ## Platform-specific
  ///
  /// - **macOS**: Only supported on macOS 10.14+.
  pub fn theme(&self) -> crate::Result<Theme> {
    self.window.dispatcher.theme().map_err(Into::into)
  }
}

/// Desktop window setters and actions.
#[cfg(desktop)]
impl<R: Runtime> Window<R> {
  /// Centers the window.
  pub fn center(&self) -> crate::Result<()> {
    self.window.dispatcher.center().map_err(Into::into)
  }

  /// Requests user attention to the window, this has no effect if the application
  /// is already focused. How requesting for user attention manifests is platform dependent,
  /// see `UserAttentionType` for details.
  ///
  /// Providing `None` will unset the request for user attention. Unsetting the request for
  /// user attention might not be done automatically by the WM when the window receives input.
  ///
  /// ## Platform-specific
  ///
  /// - **macOS:** `None` has no effect.
  /// - **Linux:** Urgency levels have the same effect.
  pub fn request_user_attention(
    &self,
    request_type: Option<UserAttentionType>,
  ) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .request_user_attention(request_type)
      .map_err(Into::into)
  }

  /// Opens the dialog to prints the contents of the webview.
  /// Currently only supported on macOS on `wry`.
  /// `window.print()` works on all platforms.
  pub fn print(&self) -> crate::Result<()> {
    self.window.dispatcher.print().map_err(Into::into)
  }

  /// Determines if this window should be resizable.
  /// When resizable is set to false, native window's maximize button is automatically disabled.
  pub fn set_resizable(&self, resizable: bool) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_resizable(resizable)
      .map_err(Into::into)
  }

  /// Determines if this window's native maximize button should be enabled.
  /// If resizable is set to false, this setting is ignored.
  ///
  /// ## Platform-specific
  ///
  /// - **macOS:** Disables the "zoom" button in the window titlebar, which is also used to enter fullscreen mode.
  /// - **Linux / iOS / Android:** Unsupported.
  pub fn set_maximizable(&self, maximizable: bool) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_maximizable(maximizable)
      .map_err(Into::into)
  }

  /// Determines if this window's native minize button should be enabled.
  ///
  /// ## Platform-specific
  ///
  /// - **Linux / iOS / Android:** Unsupported.
  pub fn set_minimizable(&self, minimizable: bool) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_minimizable(minimizable)
      .map_err(Into::into)
  }

  /// Determines if this window's native close button should be enabled.
  ///
  /// ## Platform-specific
  ///
  /// - **Linux:** "GTK+ will do its best to convince the window manager not to show a close button.
  ///   Depending on the system, this function may not have any effect when called on a window that is already visible"
  /// - **iOS / Android:** Unsupported.
  pub fn set_closable(&self, closable: bool) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_closable(closable)
      .map_err(Into::into)
  }

  /// Set this window's title.
  pub fn set_title(&self, title: &str) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_title(title.to_string())
      .map_err(Into::into)
  }

  /// Maximizes this window.
  pub fn maximize(&self) -> crate::Result<()> {
    self.window.dispatcher.maximize().map_err(Into::into)
  }

  /// Un-maximizes this window.
  pub fn unmaximize(&self) -> crate::Result<()> {
    self.window.dispatcher.unmaximize().map_err(Into::into)
  }

  /// Minimizes this window.
  pub fn minimize(&self) -> crate::Result<()> {
    self.window.dispatcher.minimize().map_err(Into::into)
  }

  /// Un-minimizes this window.
  pub fn unminimize(&self) -> crate::Result<()> {
    self.window.dispatcher.unminimize().map_err(Into::into)
  }

  /// Show this window.
  pub fn show(&self) -> crate::Result<()> {
    self.window.dispatcher.show().map_err(Into::into)
  }

  /// Hide this window.
  pub fn hide(&self) -> crate::Result<()> {
    self.window.dispatcher.hide().map_err(Into::into)
  }

  /// Closes this window.
  /// # Panics
  ///
  /// - Panics if the event loop is not running yet, usually when called on the [`setup`](crate::Builder#method.setup) closure.
  /// - Panics when called on the main thread, usually on the [`run`](crate::App#method.run) closure.
  ///
  /// You can spawn a task to use the API using [`crate::async_runtime::spawn`] or [`std::thread::spawn`] to prevent the panic.
  pub fn close(&self) -> crate::Result<()> {
    self.window.dispatcher.close().map_err(Into::into)
  }

  /// Determines if this window should be [decorated].
  ///
  /// [decorated]: https://en.wikipedia.org/wiki/Window_(computing)#Window_decoration
  pub fn set_decorations(&self, decorations: bool) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_decorations(decorations)
      .map_err(Into::into)
  }

  /// Determines if this window should have shadow.
  ///
  /// ## Platform-specific
  ///
  /// - **Windows:**
  ///   - `false` has no effect on decorated window, shadow are always ON.
  ///   - `true` will make ndecorated window have a 1px white border,
  /// and on Windows 11, it will have a rounded corners.
  /// - **Linux:** Unsupported.
  pub fn set_shadow(&self, enable: bool) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_shadow(enable)
      .map_err(Into::into)
  }

  /// Sets window effects, pass [`None`] to clear any effects applied if possible.
  ///
  /// Requires the window to be transparent.
  ///
  /// See [`EffectsBuilder`] for a convenient builder for [`WindowEffectsConfig`].
  ///
  ///
  /// ```rust,no_run
  /// use tauri::{Manager, window::{Color, Effect, EffectState, EffectsBuilder}};
  /// tauri::Builder::default()
  ///   .setup(|app| {
  ///     let window = app.get_window("main").unwrap();
  ///     window.set_effects(
  ///       EffectsBuilder::new()
  ///         .effect(Effect::Popover)
  ///         .state(EffectState::Active)
  ///         .radius(5.)
  ///         .color(Color(0, 0, 0, 255))
  ///         .build(),
  ///     )?;
  ///     Ok(())
  ///   });
  /// ```
  ///
  /// ## Platform-specific:
  ///
  /// - **Windows**: If using decorations or shadows, you may want to try this workaround <https://github.com/tauri-apps/tao/issues/72#issuecomment-975607891>
  /// - **Linux**: Unsupported
  pub fn set_effects<E: Into<Option<WindowEffectsConfig>>>(&self, effects: E) -> crate::Result<()> {
    let effects = effects.into();
    let window = self.clone();
    self.run_on_main_thread(move || {
      let _ = crate::vibrancy::set_window_effects(&window, effects);
    })
  }

  /// Determines if this window should always be below other windows.
  pub fn set_always_on_bottom(&self, always_on_bottom: bool) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_always_on_bottom(always_on_bottom)
      .map_err(Into::into)
  }

  /// Determines if this window should always be on top of other windows.
  pub fn set_always_on_top(&self, always_on_top: bool) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_always_on_top(always_on_top)
      .map_err(Into::into)
  }

  /// Sets whether the window should be visible on all workspaces or virtual desktops.
  pub fn set_visible_on_all_workspaces(
    &self,
    visible_on_all_workspaces: bool,
  ) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_visible_on_all_workspaces(visible_on_all_workspaces)
      .map_err(Into::into)
  }

  /// Prevents the window contents from being captured by other apps.
  pub fn set_content_protected(&self, protected: bool) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_content_protected(protected)
      .map_err(Into::into)
  }

  /// Resizes this window.
  pub fn set_size<S: Into<Size>>(&self, size: S) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_size(size.into())
      .map_err(Into::into)
  }

  /// Sets this window's minimum size.
  pub fn set_min_size<S: Into<Size>>(&self, size: Option<S>) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_min_size(size.map(|s| s.into()))
      .map_err(Into::into)
  }

  /// Sets this window's maximum size.
  pub fn set_max_size<S: Into<Size>>(&self, size: Option<S>) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_max_size(size.map(|s| s.into()))
      .map_err(Into::into)
  }

  /// Sets this window's position.
  pub fn set_position<Pos: Into<Position>>(&self, position: Pos) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_position(position.into())
      .map_err(Into::into)
  }

  /// Determines if this window should be fullscreen.
  pub fn set_fullscreen(&self, fullscreen: bool) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_fullscreen(fullscreen)
      .map_err(Into::into)
  }

  /// Bring the window to front and focus.
  pub fn set_focus(&self) -> crate::Result<()> {
    self.window.dispatcher.set_focus().map_err(Into::into)
  }

  /// Sets this window' icon.
  pub fn set_icon(&self, icon: Icon) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_icon(icon.try_into()?)
      .map_err(Into::into)
  }

  /// Whether to hide the window icon from the taskbar or not.
  ///
  /// ## Platform-specific
  ///
  /// - **macOS:** Unsupported.
  pub fn set_skip_taskbar(&self, skip: bool) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_skip_taskbar(skip)
      .map_err(Into::into)
  }

  /// Grabs the cursor, preventing it from leaving the window.
  ///
  /// There's no guarantee that the cursor will be hidden. You should
  /// hide it by yourself if you want so.
  ///
  /// ## Platform-specific
  ///
  /// - **Linux:** Unsupported.
  /// - **macOS:** This locks the cursor in a fixed location, which looks visually awkward.
  pub fn set_cursor_grab(&self, grab: bool) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_cursor_grab(grab)
      .map_err(Into::into)
  }

  /// Modifies the cursor's visibility.
  ///
  /// If `false`, this will hide the cursor. If `true`, this will show the cursor.
  ///
  /// ## Platform-specific
  ///
  /// - **Windows:** The cursor is only hidden within the confines of the window.
  /// - **macOS:** The cursor is hidden as long as the window has input focus, even if the cursor is
  ///   outside of the window.
  pub fn set_cursor_visible(&self, visible: bool) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_cursor_visible(visible)
      .map_err(Into::into)
  }

  /// Modifies the cursor icon of the window.
  pub fn set_cursor_icon(&self, icon: CursorIcon) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_cursor_icon(icon)
      .map_err(Into::into)
  }

  /// Changes the position of the cursor in window coordinates.
  pub fn set_cursor_position<Pos: Into<Position>>(&self, position: Pos) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_cursor_position(position)
      .map_err(Into::into)
  }

  /// Ignores the window cursor events.
  pub fn set_ignore_cursor_events(&self, ignore: bool) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_ignore_cursor_events(ignore)
      .map_err(Into::into)
  }

  /// Starts dragging the window.
  pub fn start_dragging(&self) -> crate::Result<()> {
    self.window.dispatcher.start_dragging().map_err(Into::into)
  }

  /// Sets the taskbar progress state.
  ///
  /// ## Platform-specific
  ///
  /// - **Linux / macOS**: Progress bar is app-wide and not specific to this window.
  /// - **Linux**: Only supported desktop environments with `libunity` (e.g. GNOME).
  /// - **iOS / Android:** Unsupported.
  pub fn set_progress_bar(
    &self,
    progress_state: crate::utils::ProgressBarState,
  ) -> crate::Result<()> {
    self
      .window
      .dispatcher
      .set_progress_bar(progress_state)
      .map_err(Into::into)
  }
}

/// Webview APIs.
impl<R: Runtime> Window<R> {
  /// Returns the current url of the webview.
  // TODO: in v2, change this type to Result
  pub fn url(&self) -> Url {
    self.window.dispatcher.url().unwrap()
  }

  /// Navigates the webview to the defined url.
  pub fn navigate(&mut self, url: Url) {
    self.window.dispatcher.navigate(url).unwrap();
  }

  fn is_local_url(&self, current_url: &Url) -> bool {
    self.manager.get_url().make_relative(current_url).is_some()
      || {
        let protocol_url = self.manager.protocol_url();
        current_url.scheme() == protocol_url.scheme()
          && current_url.domain() == protocol_url.domain()
      }
      || (cfg!(dev) && current_url.domain() == Some("tauri.localhost"))
  }

  /// Handles this window receiving an [`InvokeRequest`].
  pub fn on_message(self, request: InvokeRequest, responder: Box<OwnedInvokeResponder<R>>) {
    let manager = self.manager.clone();
    let current_url = self.url();
    let is_local = self.is_local_url(&current_url);

    let mut scope_not_found_error_message =
      ipc_scope_not_found_error_message(&self.window.label, current_url.as_str());
    let scope = if is_local {
      None
    } else {
      match self.ipc_scope().remote_access_for(&self, &current_url) {
        Ok(scope) => Some(scope),
        Err(e) => {
          if e.matches_window {
            scope_not_found_error_message = ipc_scope_domain_error_message(current_url.as_str());
          } else if e.matches_domain {
            scope_not_found_error_message = ipc_scope_window_error_message(&self.window.label);
          }
          None
        }
      }
    };

    let custom_responder = self.manager.window.invoke_responder.clone();

    let resolver = InvokeResolver::new(
      self.clone(),
      Arc::new(Mutex::new(Some(Box::new(
        #[allow(unused_variables)]
        move |window: Window<R>, cmd, response, callback, error| {
          if let Some(responder) = &custom_responder {
            (responder)(&window, &cmd, &response, callback, error);
          }

          responder(window, cmd, response, callback, error);
        },
      )))),
      request.cmd.clone(),
      request.callback,
      request.error,
    );

    #[cfg(mobile)]
    let app_handle = self.app_handle.clone();

    let message = InvokeMessage::new(
      self,
      manager.state(),
      request.cmd.to_string(),
      request.body,
      request.headers,
    );

    let mut invoke = Invoke {
      message,
      resolver: resolver.clone(),
    };

    if !is_local && scope.is_none() {
      invoke.resolver.reject(scope_not_found_error_message);
    } else if request.cmd.starts_with("plugin:") {
      let command = invoke.message.command.replace("plugin:", "");
      let mut tokens = command.split('|');
      // safe to unwrap: split always has a least one item
      let plugin = tokens.next().unwrap();
      invoke.message.command = tokens
        .next()
        .map(|c| c.to_string())
        .unwrap_or_else(String::new);

      if !(is_local
        || plugin == crate::ipc::channel::CHANNEL_PLUGIN_NAME
        || scope
          .map(|s| s.plugins().contains(&plugin.into()))
          .unwrap_or(true))
      {
        invoke.resolver.reject(IPC_SCOPE_DOES_NOT_ALLOW);
        return;
      }

      let command = invoke.message.command.clone();

      #[cfg(mobile)]
      let message = invoke.message.clone();

      #[allow(unused_mut)]
      let mut handled = manager.extend_api(plugin, invoke);

      #[cfg(mobile)]
      {
        if !handled {
          handled = true;

          fn load_channels<R: Runtime>(payload: &serde_json::Value, window: &Window<R>) {
            use std::str::FromStr;

            if let serde_json::Value::Object(map) = payload {
              for v in map.values() {
                if let serde_json::Value::String(s) = v {
                  let _ = crate::ipc::JavaScriptChannelId::from_str(s)
                    .map(|id| id.channel_on(window.clone()));
                }
              }
            }
          }

          let payload = message.payload.into_json();
          // initialize channels
          load_channels(&payload, &message.window);

          let resolver_ = resolver.clone();
          if let Err(e) = crate::plugin::mobile::run_command(
            plugin,
            &app_handle,
            message.command,
            payload,
            move |response| match response {
              Ok(r) => resolver_.resolve(r),
              Err(e) => resolver_.reject(e),
            },
          ) {
            resolver.reject(e.to_string());
            return;
          }
        }
      }

      if !handled {
        resolver.reject(format!("Command {command} not found"));
      }
    } else {
      let command = invoke.message.command.clone();
      let handled = manager.run_invoke_handler(invoke);
      if !handled {
        resolver.reject(format!("Command {command} not found"));
      }
    }
  }

  /// Evaluates JavaScript on this window.
  pub fn eval(&self, js: &str) -> crate::Result<()> {
    self.window.dispatcher.eval_script(js).map_err(Into::into)
  }

  /// Register a JS event listener and return its identifier.
  pub(crate) fn listen_js(
    &self,
    window_label: Option<String>,
    event: String,
    handler: CallbackFn,
  ) -> crate::Result<EventId> {
    let event_id = self.manager.listeners().next_event_id();

    self.eval(&crate::event::listen_js(
      self.manager().listeners().listeners_object_name(),
      &format!("'{}'", event),
      event_id,
      window_label.as_deref(),
      &format!("window['_{}']", handler.0),
    ))?;

    self
      .js_event_listeners
      .lock()
      .unwrap()
      .entry(JsEventListenerKey {
        window_label,
        event,
      })
      .or_default()
      .insert(event_id);

    Ok(event_id)
  }

  /// Unregister a JS event listener.
  pub(crate) fn unlisten_js(&self, event: &str, id: EventId) -> crate::Result<()> {
    self.eval(&crate::event::unlisten_js(
      self.manager().listeners().listeners_object_name(),
      event,
      id,
    ))?;

    let mut empty = None;
    let mut js_listeners = self.js_event_listeners.lock().unwrap();
    let iter = js_listeners.iter_mut();
    for (key, ids) in iter {
      if ids.contains(&id) {
        ids.remove(&id);
        if ids.is_empty() {
          empty.replace(key.clone());
        }
        break;
      }
    }

    if let Some(key) = empty {
      js_listeners.remove(&key);
    }

    Ok(())
  }

  pub(crate) fn emit_js(&self, emit_args: &EmitArgs) -> crate::Result<()> {
    self.eval(&crate::event::emit_js(
      self.manager().listeners().function_name(),
      emit_args,
    )?)?;
    Ok(())
  }

  /// Whether this window registered a listener to an event from the given window and event name.
  pub(crate) fn has_js_listener(&self, window_label: Option<String>, event: &str) -> bool {
    let listeners = self.js_event_listeners.lock().unwrap();

    if let Some(label) = window_label {
      let event = event.to_string();
      // window-specific event is also triggered on global events, so we check that
      listeners.contains_key(&JsEventListenerKey {
        window_label: Some(label),
        event: event.clone(),
      }) || listeners.contains_key(&JsEventListenerKey {
        window_label: None,
        event,
      })
    } else {
      // for global events, any listener is triggered
      listeners.keys().any(|k| k.event == event)
    }
  }

  /// Opens the developer tools window (Web Inspector).
  /// The devtools is only enabled on debug builds or with the `devtools` feature flag.
  ///
  /// ## Platform-specific
  ///
  /// - **macOS:** Only supported on macOS 10.15+.
  /// This is a private API on macOS, so you cannot use this if your application will be published on the App Store.
  ///
  /// # Examples
  ///
  /// ```rust,no_run
  /// use tauri::Manager;
  /// tauri::Builder::default()
  ///   .setup(|app| {
  ///     #[cfg(debug_assertions)]
  ///     app.get_window("main").unwrap().open_devtools();
  ///     Ok(())
  ///   });
  /// ```
  #[cfg(any(debug_assertions, feature = "devtools"))]
  #[cfg_attr(docsrs, doc(cfg(any(debug_assertions, feature = "devtools"))))]
  pub fn open_devtools(&self) {
    self.window.dispatcher.open_devtools();
  }

  /// Closes the developer tools window (Web Inspector).
  /// The devtools is only enabled on debug builds or with the `devtools` feature flag.
  ///
  /// ## Platform-specific
  ///
  /// - **macOS:** Only supported on macOS 10.15+.
  /// This is a private API on macOS, so you cannot use this if your application will be published on the App Store.
  /// - **Windows:** Unsupported.
  ///
  /// # Examples
  ///
  /// ```rust,no_run
  /// use tauri::Manager;
  /// tauri::Builder::default()
  ///   .setup(|app| {
  ///     #[cfg(debug_assertions)]
  ///     {
  ///       let window = app.get_window("main").unwrap();
  ///       window.open_devtools();
  ///       std::thread::spawn(move || {
  ///         std::thread::sleep(std::time::Duration::from_secs(10));
  ///         window.close_devtools();
  ///       });
  ///     }
  ///     Ok(())
  ///   });
  /// ```
  #[cfg(any(debug_assertions, feature = "devtools"))]
  #[cfg_attr(docsrs, doc(cfg(any(debug_assertions, feature = "devtools"))))]
  pub fn close_devtools(&self) {
    self.window.dispatcher.close_devtools();
  }

  /// Checks if the developer tools window (Web Inspector) is opened.
  /// The devtools is only enabled on debug builds or with the `devtools` feature flag.
  ///
  /// ## Platform-specific
  ///
  /// - **macOS:** Only supported on macOS 10.15+.
  /// This is a private API on macOS, so you cannot use this if your application will be published on the App Store.
  /// - **Windows:** Unsupported.
  ///
  /// # Examples
  ///
  /// ```rust,no_run
  /// use tauri::Manager;
  /// tauri::Builder::default()
  ///   .setup(|app| {
  ///     #[cfg(debug_assertions)]
  ///     {
  ///       let window = app.get_window("main").unwrap();
  ///       if !window.is_devtools_open() {
  ///         window.open_devtools();
  ///       }
  ///     }
  ///     Ok(())
  ///   });
  /// ```
  #[cfg(any(debug_assertions, feature = "devtools"))]
  #[cfg_attr(docsrs, doc(cfg(any(debug_assertions, feature = "devtools"))))]
  pub fn is_devtools_open(&self) -> bool {
    self
      .window
      .dispatcher
      .is_devtools_open()
      .unwrap_or_default()
  }
}

/// Event system APIs.
impl<R: Runtime> Window<R> {
  /// Listen to an event on this window.
  ///
  /// # Examples
  /// ```
  /// use tauri::Manager;
  ///
  /// tauri::Builder::default()
  ///   .setup(|app| {
  ///     let window = app.get_window("main").unwrap();
  ///     window.listen("component-loaded", move |event| {
  ///       println!("window just loaded a component");
  ///     });
  ///
  ///     Ok(())
  ///   });
  /// ```
  pub fn listen<F>(&self, event: impl Into<String>, handler: F) -> EventId
  where
    F: Fn(Event) + Send + 'static,
  {
    self
      .manager
      .listen(event.into(), Some(self.clone()), handler)
  }

  /// Unlisten to an event on this window.
  ///
  /// # Examples
  /// ```
  /// use tauri::Manager;
  ///
  /// tauri::Builder::default()
  ///   .setup(|app| {
  ///     let window = app.get_window("main").unwrap();
  ///     let window_ = window.clone();
  ///     let handler = window.listen("component-loaded", move |event| {
  ///       println!("window just loaded a component");
  ///
  ///       // we no longer need to listen to the event
  ///       // we also could have used `window.once` instead
  ///       window_.unlisten(event.id());
  ///     });
  ///
  ///     // stop listening to the event when you do not need it anymore
  ///     window.unlisten(handler);
  ///
  ///
  ///     Ok(())
  ///   });
  /// ```
  pub fn unlisten(&self, id: EventId) {
    self.manager.unlisten(id)
  }

  /// Listen to an event on this window only once.
  ///
  /// See [`Self::listen`] for more information.
  pub fn once<F>(&self, event: impl Into<String>, handler: F)
  where
    F: FnOnce(Event) + Send + 'static,
  {
    let label = self.window.label.clone();
    self.manager.once(event.into(), Some(label), handler)
  }
}

/// The [`WindowEffectsConfig`] object builder
#[derive(Default)]
pub struct EffectsBuilder(WindowEffectsConfig);
impl EffectsBuilder {
  /// Create a new [`WindowEffectsConfig`] builder
  pub fn new() -> Self {
    Self(WindowEffectsConfig::default())
  }

  /// Adds effect to the [`WindowEffectsConfig`] `effects` field
  pub fn effect(mut self, effect: Effect) -> Self {
    self.0.effects.push(effect);
    self
  }

  /// Adds effects to the [`WindowEffectsConfig`] `effects` field
  pub fn effects<I: IntoIterator<Item = Effect>>(mut self, effects: I) -> Self {
    self.0.effects.extend(effects);
    self
  }

  /// Clears the [`WindowEffectsConfig`] `effects` field
  pub fn clear_effects(mut self) -> Self {
    self.0.effects.clear();
    self
  }

  /// Sets `state` field for the [`WindowEffectsConfig`] **macOS Only**
  pub fn state(mut self, state: EffectState) -> Self {
    self.0.state = Some(state);
    self
  }
  /// Sets `radius` field fo the [`WindowEffectsConfig`] **macOS Only**
  pub fn radius(mut self, radius: f64) -> Self {
    self.0.radius = Some(radius);
    self
  }
  /// Sets `color` field fo the [`WindowEffectsConfig`] **Windows Only**
  pub fn color(mut self, color: Color) -> Self {
    self.0.color = Some(color);
    self
  }

  /// Builds a [`WindowEffectsConfig`]
  pub fn build(self) -> WindowEffectsConfig {
    self.0
  }
}

impl From<WindowEffectsConfig> for EffectsBuilder {
  fn from(value: WindowEffectsConfig) -> Self {
    Self(value)
  }
}

pub(crate) const IPC_SCOPE_DOES_NOT_ALLOW: &str = "Not allowed by the scope";

pub(crate) fn ipc_scope_not_found_error_message(label: &str, url: &str) -> String {
  format!("Scope not defined for window `{label}` and URL `{url}`. See https://tauri.app/v1/api/config/#securityconfig.dangerousremotedomainipcaccess and https://docs.rs/tauri/1/tauri/scope/struct.IpcScope.html#method.configure_remote_access")
}

pub(crate) fn ipc_scope_window_error_message(label: &str) -> String {
  format!("Scope not defined for window `{}`. See https://tauri.app/v1/api/config/#securityconfig.dangerousremotedomainipcaccess and https://docs.rs/tauri/1/tauri/scope/struct.IpcScope.html#method.configure_remote_access", label)
}

pub(crate) fn ipc_scope_domain_error_message(url: &str) -> String {
  format!("Scope not defined for URL `{url}`. See https://tauri.app/v1/api/config/#securityconfig.dangerousremotedomainipcaccess and https://docs.rs/tauri/1/tauri/scope/struct.IpcScope.html#method.configure_remote_access")
}

#[cfg(test)]
mod tests {
  #[test]
  fn window_is_send_sync() {
    crate::test_utils::assert_send::<super::Window>();
    crate::test_utils::assert_sync::<super::Window>();
  }
}