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using ElectronNET.API.Entities;
using ElectronNET.API.Extensions;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Versioning;
using System.Text.Json;
using System.Threading.Tasks;
using ElectronNET.API.Serialization;
// ReSharper disable InconsistentNaming
namespace ElectronNET.API
{
/// <summary>
/// Add icons and context menus to the system's notification area.
/// </summary>
public sealed class Tray : ApiBase
{
protected override SocketTaskEventNameTypes SocketTaskEventNameType => SocketTaskEventNameTypes.DashesLowerFirst;
protected override SocketEventNameTypes SocketEventNameType => SocketEventNameTypes.DashedLower;
/// <summary>
/// Emitted when the tray icon is clicked.
/// </summary>
public event Action<TrayClickEventArgs, Rectangle> OnClick
{
add
{
if (_click == null)
{
BridgeConnector.Socket.On<JsonElement>("tray-click" + GetHashCode(), (result) =>
{
var array = result.EnumerateArray().ToArray();
var trayClickEventArgs = array[0].Deserialize(ElectronJsonContext.Default.TrayClickEventArgs);
var bounds = array[1].Deserialize(ElectronJsonContext.Default.Rectangle);
_click(trayClickEventArgs, bounds);
});
BridgeConnector.Socket.Emit("register-tray-click", GetHashCode());
}
_click += value;
}
remove
{
_click -= value;
if (_click == null)
{
BridgeConnector.Socket.Off("tray-click" + GetHashCode());
}
}
}
private event Action<TrayClickEventArgs, Rectangle> _click;
/// <summary>
/// macOS, Windows: Emitted when the tray icon is right clicked.
/// </summary>
[SupportedOSPlatform("macOS")]
[SupportedOSPlatform("Windows")]
public event Action<TrayClickEventArgs, Rectangle> OnRightClick
{
add
{
if (_rightClick == null)
{
BridgeConnector.Socket.On<JsonElement>("tray-right-click" + GetHashCode(), (result) =>
{
var array = result.EnumerateArray().ToArray();
var trayClickEventArgs = array[0].Deserialize(ElectronJsonContext.Default.TrayClickEventArgs);
var bounds = array[1].Deserialize(ElectronJsonContext.Default.Rectangle);
_rightClick(trayClickEventArgs, bounds);
});
BridgeConnector.Socket.Emit("register-tray-right-click", GetHashCode());
}
_rightClick += value;
}
remove
{
_rightClick -= value;
if (_rightClick == null)
{
BridgeConnector.Socket.Off("tray-right-click" + GetHashCode());
}
}
}
private event Action<TrayClickEventArgs, Rectangle> _rightClick;
/// <summary>
/// macOS, Windows: Emitted when the tray icon is double clicked.
/// </summary>
[SupportedOSPlatform("macOS")]
[SupportedOSPlatform("Windows")]
public event Action<TrayClickEventArgs, Rectangle> OnDoubleClick
{
add
{
if (_doubleClick == null)
{
BridgeConnector.Socket.On<JsonElement>("tray-double-click" + GetHashCode(), (result) =>
{
var array = result.EnumerateArray().ToArray();
var trayClickEventArgs = array[0].Deserialize(ElectronJsonContext.Default.TrayClickEventArgs);
var bounds = array[1].Deserialize(ElectronJsonContext.Default.Rectangle);
_doubleClick(trayClickEventArgs, bounds);
});
BridgeConnector.Socket.Emit("register-tray-double-click", GetHashCode());
}
_doubleClick += value;
}
remove
{
_doubleClick -= value;
if (_doubleClick == null)
{
BridgeConnector.Socket.Off("tray-double-click" + GetHashCode());
}
}
}
private event Action<TrayClickEventArgs, Rectangle> _doubleClick;
/// <summary>
/// Windows: Emitted when the tray balloon shows.
/// </summary>
[SupportedOSPlatform("Windows")]
public event Action OnBalloonShow
{
add => AddEvent(value, GetHashCode());
remove => RemoveEvent(value, GetHashCode());
}
/// <summary>
/// Windows: Emitted when the tray balloon is clicked.
/// </summary>
[SupportedOSPlatform("Windows")]
public event Action OnBalloonClick
{
add => AddEvent(value, GetHashCode());
remove => RemoveEvent(value, GetHashCode());
}
/// <summary>
/// Windows: Emitted when the tray balloon is closed
/// because of timeout or user manually closes it.
/// </summary>
[SupportedOSPlatform("Windows")]
public event Action OnBalloonClosed
{
add => AddEvent(value, GetHashCode());
remove => RemoveEvent(value, GetHashCode());
}
// TODO: Implement macOS Events
private static Tray _tray;
private static readonly object _syncRoot = new();
internal Tray()
{
}
internal static Tray Instance
{
get
{
if (_tray == null)
{
lock (_syncRoot)
{
if (_tray == null)
{
_tray = new Tray();
}
}
}
return _tray;
}
}
/// <summary>
/// Gets the menu items.
/// </summary>
/// <value>
/// The menu items.
/// </value>
public IReadOnlyCollection<MenuItem> MenuItems => _items.AsReadOnly();
private readonly List<MenuItem> _items = new();
/// <summary>
/// Shows the Traybar.
/// </summary>
/// <param name="image">The image.</param>
/// <param name="menuItem">The menu item.</param>
public async Task Show(string image, MenuItem menuItem)
{
await this.Show(image, new MenuItem[] { menuItem }).ConfigureAwait(false);
}
/// <summary>
/// Shows the Traybar.
/// </summary>
/// <param name="image">The image.</param>
/// <param name="menuItems">The menu items.</param>
public async Task Show(string image, MenuItem[] menuItems)
{
menuItems.AddMenuItemsId();
await BridgeConnector.Socket.Emit("create-tray", image, menuItems).ConfigureAwait(false);
_items.Clear();
_items.AddRange(menuItems);
RegisterMenuItemClickedHandler();
}
/// <summary>
/// Sets the tray menu items.
/// </summary>
/// <remarks>Calling this method updates the context menu with the specified items. Any previously
/// set menu items will be replaced.</remarks>
/// <param name="menuItems">An array of <see cref="MenuItem"/> objects representing the menu items to display in the tray menu.
/// Cannot be null.</param>
public async Task SetMenuItems(MenuItem[] menuItems)
{
menuItems.AddMenuItemsId();
await BridgeConnector.Socket.Emit("set-contextMenu", new object[] { menuItems }).ConfigureAwait(false);
_items.Clear();
_items.AddRange(menuItems);
RegisterMenuItemClickedHandler();
}
private void RegisterMenuItemClickedHandler()
{
BridgeConnector.Socket.Off("trayMenuItemClicked");
BridgeConnector.Socket.On<string>("trayMenuItemClicked", (id) =>
{
MenuItem menuItem = _items.GetMenuItem(id);
menuItem?.Click?.Invoke();
});
}
/// <summary>
/// Shows the Traybar (empty).
/// </summary>
/// <param name="image">The image.</param>
public async Task Show(string image)
{
await BridgeConnector.Socket.Emit("create-tray", image).ConfigureAwait(false);
}
/// <summary>
/// Destroys the tray icon immediately.
/// </summary>
public async Task Destroy()
{
await BridgeConnector.Socket.Emit("tray-destroy").ConfigureAwait(false);
_items.Clear();
}
/// <summary>
/// Sets the image associated with this tray icon.
/// </summary>
/// <param name="image"></param>
public async Task SetImage(string image)
{
await BridgeConnector.Socket.Emit("tray-setImage", image).ConfigureAwait(false);
}
/// <summary>
/// Sets the image associated with this tray icon when pressed on macOS.
/// </summary>
/// <param name="image"></param>
[SupportedOSPlatform("macOS")]
public async Task SetPressedImage(string image)
{
await BridgeConnector.Socket.Emit("tray-setPressedImage", image).ConfigureAwait(false);
}
/// <summary>
/// Sets the hover text for this tray icon.
/// </summary>
/// <param name="toolTip"></param>
public async Task SetToolTip(string toolTip)
{
await BridgeConnector.Socket.Emit("tray-setToolTip", toolTip).ConfigureAwait(false);
}
/// <summary>
/// macOS: Sets the title displayed aside of the tray icon in the status bar.
/// </summary>
/// <param name="title"></param>
[SupportedOSPlatform("macOS")]
public async Task SetTitle(string title)
{
await BridgeConnector.Socket.Emit("tray-setTitle", title).ConfigureAwait(false);
}
/// <summary>
/// Windows: Displays a tray balloon.
/// </summary>
/// <param name="options"></param>
[SupportedOSPlatform("Windows")]
public async Task DisplayBalloon(DisplayBalloonOptions options)
{
await BridgeConnector.Socket.Emit("tray-displayBalloon", options).ConfigureAwait(false);
}
/// <summary>
/// Whether the tray icon is destroyed.
/// </summary>
/// <returns></returns>
public async Task<bool> IsDestroyedAsync()
{
var tcs = new TaskCompletionSource<bool>();
BridgeConnector.Socket.Once<bool>("tray-isDestroyedCompleted", tcs.SetResult);
await BridgeConnector.Socket.Emit("tray-isDestroyed").ConfigureAwait(false);
return await tcs.Task.ConfigureAwait(false);
}
private const string ModuleName = "tray";
/// <summary>
/// Subscribe to an unmapped event on the <see cref="Tray"/> module.
/// </summary>
/// <param name="eventName">The event name</param>
/// <param name="action">The handler</param>
public void On(string eventName, Action action)
=> Events.Instance.On(ModuleName, eventName, action);
/// <summary>
/// Subscribe to an unmapped event on the <see cref="Tray"/> module.
/// </summary>
/// <param name="eventName">The event name</param>
/// <param name="action">The handler</param>
public async Task On<T>(string eventName, Action<T> action)
=> await Events.Instance.On(ModuleName, eventName, action).ConfigureAwait(false);
/// <summary>
/// Subscribe to an unmapped event on the <see cref="Tray"/> module once.
/// </summary>
/// <param name="eventName">The event name</param>
/// <param name="action">The handler</param>
public void Once(string eventName, Action action)
=> Events.Instance.Once(ModuleName, eventName, action);
/// <summary>
/// Subscribe to an unmapped event on the <see cref="Tray"/> module once.
/// </summary>
/// <param name="eventName">The event name</param>
/// <param name="action">The handler</param>
public async Task Once<T>(string eventName, Action<T> action)
=> await Events.Instance.Once(ModuleName, eventName, action).ConfigureAwait(false);
}
}