HospitalBrowser/Browser/prBrowser/ContextMenuHandler.cs

using System.Windows.Forms;
using CefSharp;
using CefSharp.WinForms;

namespace prBrowser
{
	internal class ContextMenuHandler : IContextMenuHandler
	{
		private const int ShowDevTools = 26501;

		private const int CloseDevTools = 26502;

		private const int SaveImageAs = 26503;

		private const int SaveAsPdf = 26504;

		private const int SaveLinkAs = 26505;

		private const int CopyLinkAddress = 26506;

		private const int OpenLinkInNewTab = 26507;

		private const int CloseTab = 40007;

		private const int RefreshTab = 40008;

		private const int DeleteCache = 62535;

		private readonly MainForm myForm;

		private string lastSelText = "";

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

		public void OnBeforeContextMenu(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, IMenuModel model)
		{
			model.Clear();
			lastSelText = parameters.SelectionText;
			if (parameters.SelectionText.CheckIfValid())
			{
				model.AddItem(CefMenuCommand.Copy, "复制");
				model.AddItem(CefMenuCommand.Paste, "粘贴");
				model.AddSeparator();
			}
			else
			{
				model.AddItem(CefMenuCommand.Paste, "粘贴");
				model.AddSeparator();
			}
			if (parameters.LinkUrl != "")
			{
				model.AddItem((CefMenuCommand)26507, "在新标签页中打开连接");
				model.AddItem((CefMenuCommand)26506, "复制连接");
				model.AddSeparator();
			}
			if (parameters.HasImageContents && parameters.SourceUrl.CheckIfValid())
			{
				model.AddItem((CefMenuCommand)26503, "图片另存为");
			}
			if (parameters.SelectionText != null)
			{
			}
			model.AddItem((CefMenuCommand)26501, "开发者工具");
			model.AddItem(CefMenuCommand.ViewSource, "查看源代码");
			model.AddItem((CefMenuCommand)62535, "强力清除缓存(会关闭浏览器)");
			model.AddSeparator();
			model.AddItem((CefMenuCommand)40008, "刷新标签页");
			model.AddItem((CefMenuCommand)40007, "关闭标签页");
		}

		public bool OnContextMenuCommand(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, CefMenuCommand commandId, CefEventFlags eventFlags)
		{
			if (commandId == (CefMenuCommand)26501)
			{
				browser.ShowDevTools();
			}
			if (commandId == (CefMenuCommand)26502)
			{
				browser.CloseDevTools();
			}
			if (commandId == (CefMenuCommand)26503)
			{
				browser.GetHost().StartDownload(parameters.SourceUrl);
			}
			if (commandId == (CefMenuCommand)26505)
			{
				browser.GetHost().StartDownload(parameters.LinkUrl);
			}
			if (commandId == (CefMenuCommand)26507)
			{
				ChromiumWebBrowser newBrowser = myForm.AddNewBrowserTab(parameters.LinkUrl, focusNewTab: false, browser.MainFrame.Url);
			}
			if (commandId == (CefMenuCommand)26506)
			{
				Clipboard.SetText(parameters.LinkUrl);
			}
			if (commandId == (CefMenuCommand)40007)
			{
				myForm.InvokeOnParent(delegate
				{
					myForm.CloseActiveTab();
				});
			}
			if (commandId == (CefMenuCommand)40008)
			{
				myForm.InvokeOnParent(delegate
				{
					myForm.RefreshActiveTab();
				});
			}
			if (commandId == (CefMenuCommand)62535)
			{
				Application.Exit();
			}
			return false;
		}

		public void OnContextMenuDismissed(IWebBrowser browserControl, IBrowser browser, IFrame frame)
		{
		}

		public bool RunContextMenu(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, IMenuModel model, IRunContextMenuCallback callback)
		{
			return false;
		}
	}
}