using System;
using System.Collections.Generic;
using System.Windows.Forms;
using CefSharp;

namespace prBrowser
{
	internal class KeyboardHandler : IKeyboardHandler
	{
		private MainForm myForm;

		public static List<SharpHotKey> Hotkeys = new List<SharpHotKey>();

		public static void AddHotKey(Form form, Action function, Keys key, bool ctrl = false, bool shift = false, bool alt = false)
		{
			Utils.AddHotKey(form, function, key, ctrl, shift, alt);
			Hotkeys.Add(new SharpHotKey(function, key, ctrl, shift, alt));
		}

		public KeyboardHandler(MainForm form)
		{
			myForm = form;
		}

		public bool OnPreKeyEvent(IWebBrowser browserControl, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey, ref bool isKeyboardShortcut)
		{
			return false;
		}

		public bool OnKeyEvent(IWebBrowser browserControl, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey)
		{
			if (type == KeyType.RawKeyDown)
			{
				bool ctrlDown = ((int)modifiers).IsBitmaskOn(4);
				bool shiftDown = ((int)modifiers).IsBitmaskOn(2);
				bool altDown = ((int)modifiers).IsBitmaskOn(8);
				foreach (SharpHotKey key in Hotkeys)
				{
					if (key.KeyCode == windowsKeyCode && key.Ctrl == ctrlDown && key.Shift == shiftDown && key.Alt == altDown)
					{
						myForm.InvokeOnParent(delegate
						{
							key.Callback();
						});
					}
				}
			}
			return false;
		}
	}
}