unit MessageCentre;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics,
  Controls, Forms, Dialogs, cefvcl, FlatForm, ceflib, CnCommon;

type
  TMessageCentreForm = class(TFlatForm)
    chrm1: TChromium;
    procedure chrm1BeforeDownload(Sender: TObject; const browser: ICefBrowser;
      const downloadItem: ICefDownloadItem; const suggestedName: ustring;
      const callback: ICefBeforeDownloadCallback);
    procedure chrm1DownloadUpdated(Sender: TObject; const browser: ICefBrowser;
      const downloadItem: ICefDownloadItem;
      const callback: ICefDownloadItemCallback);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  MessageCentreForm: TMessageCentreForm;

implementation

{$R *.dfm}

procedure TMessageCentreForm.chrm1BeforeDownload(Sender: TObject;
  const browser: ICefBrowser; const downloadItem: ICefDownloadItem;
  const suggestedName: ustring; const callback: ICefBeforeDownloadCallback);
begin
  callback.Cont(MakePath(GetMyDocumentsDir) + 'download\' + suggestedName, true);
end;

procedure TMessageCentreForm.chrm1DownloadUpdated(Sender: TObject;
  const browser: ICefBrowser; const downloadItem: ICefDownloadItem;
  const callback: ICefDownloadItemCallback);
begin
  if (downloadItem.IsComplete) and (MessageBox(Handle, '文件下载完成，是否打开文件所在目录？  ', '提示', MB_OKCANCEL + MB_ICONQUESTION) = ID_OK) then
  begin
    ExploreFile(downloadItem.FullPath);
  end;      
end;

end.