BrowserRecord.pas

   1 unit BrowserRecord;
   2
   3 interface
   4
   5 uses
   6         Windows, OleCtrls, ActiveX,
   7 {$IF Defined(DELPRO) }
   8         SHDocVw,
   9         MSHTML,
  10 {$ELSE}
  11         SHDocVw_TLB,
  12         MSHTML_TLB,
  13 {$IFEND}
  14         BoardGroup, HTMLDocumentEvent;
  15
  16 type
  17         TBrowserRecord = class( TObject )
  18         private
  19                 FBrowser        : TWebBrowser;
  20                 FEvent: THTMLDocumentEventSink; ///< \83u\83\89\83E\83U\83h\83L\83\85\83\81\83\93\83g\83C\83x\83\93\83g
  21                 FThread         : TThreadItem;
  22                 FLastSize       : Integer;
  23                 FRepaint        : Boolean;
  24                 //FMovement     : string;                                                       ///< \83X\83N\83\8d\81[\83\8b\90æ\83A\83\93\83J\81[
  25         public
  26                 destructor      Destroy; override;
  27                 property        Event : THTMLDocumentEventSink read FEvent write FEvent;
  28                 property        Browser : TWebBrowser   read FBrowser   write FBrowser;
  29                 property        Thread  : TThreadItem   read FThread    write FThread;
  30                 property        LastSize        : Integer               read FLastSize  write FLastSize;
  31                 property        Repaint         : Boolean               read FRepaint   write FRepaint;
  32                 //property      Movement        : string                read FMovement  write FMovement;
  33                 procedure       Move(const AName: string);
  34                 procedure       IDAnchorPopup(Abody :string);
  35         end;
  36         // BrowserRecord\82É\82Â\82¢\82Ä\82¢\82éFBrowser\82ð\8aO\82·
  37         procedure ReleaseBrowser( BRecord: TBrowserRecord);
  38
  39 implementation
  40
  41 uses
  42         Forms, SysUtils;
  43
  44 // *************************************************************************
  45 //! BrowserRecord\82É\82Â\82¢\82Ä\82¢\82éFBrowser\82ð\8aO\82·
  46 // *************************************************************************
  47 procedure ReleaseBrowser( BRecord: TBrowserRecord);
  48 begin
  49         if BRecord <> nil then begin
  50                 BRecord.Browser := nil;
  51                 if BRecord.Event <> nil then begin
  52                         BRecord.Event.Free;
  53                         BRecord.Event := nil;
  54                 end;
  55                 BRecord.Repaint := true;
  56         end;
  57 end;
  58 // *************************************************************************
  59 //! BrowserRecord\82Ì\83f\83X\83g\83\89\83N\83^
  60 // *************************************************************************
  61 destructor      TBrowserRecord.Destroy;
  62 var
  63         doc :OleVariant;
  64 begin
  65         if Self.FEvent <> nil then
  66                 Self.FEvent.Free;
  67         if Self.FBrowser <> nil then begin
  68                 if Self.Thread <> nil then begin
  69                         //\83^\83u\82Ì\95\9c\8c³\82Å\95\9c\8c³\82³\82ê\82½\83X\83\8c\82Í\81A\95`\89æ\82³\82ê\82Ä\82¢\82È\82¢\82Æ\82«\82ª\82 \82é\82Ì\82Å
  70                         //\82»\82Ì\82Æ\82«\82Ì\83X\83N\83\8d\81[\83\8b\97Ê\82ð\95Û\91¶\82µ\82Ä\82µ\82Ü\82¤\82Æ\83g\83b\83v\82É\96ß\82Á\82Ä\82µ\82Ü\82¤\81B
  71                         if Self.FBrowser.OleObject.Document.documentElement.innerText <> '' then begin
  72                                 doc := Idispatch( olevariant(Self.FBrowser.ControlInterface).Document) as IHTMLDocument2;
  73                                 Self.Thread.ScrollTop := doc.Body.ScrollTop;
  74                         end;
  75                 end;
  76                 ShowWindow(Self.FBrowser.Handle, SW_HIDE);
  77         end;
  78
  79 end;
  80 // *************************************************************************
  81 //! \83u\83\89\83E\83U\82ð\83X\83N\83\8d\81[\83\8b\82³\82¹\82é
  82 // *************************************************************************
  83 procedure TBrowserRecord.Move(const AName: string);
  84 var
  85         top: Integer;
  86         item: OleVariant;
  87 begin
  88         //\83u\83\89\83E\83U\82ª\95t\82¢\82Ä\82é\82Æ\82«\82¾\82¯\8f\88\97\9d\82·\82é
  89         if (Self.Browser <> nil) then begin
  90                 //\83u\83\89\83E\83U\82ª\83f\81[\83^\82Ì\93Ç\82Ý\8d\9e\82Ý\92\86\82Ì\8e\9e\82Í\93Ç\82Ý\8d\9e\82Ý\82ð\91Ò\82Â
  91                 while (Self.Browser.ReadyState <> READYSTATE_COMPLETE) and
  92                                         (Self.Browser.ReadyState <> READYSTATE_INTERACTIVE) do begin
  93                         Sleep(1);
  94                         Application.ProcessMessages;
  95                 end;
  96
  97                 try
  98                         top := 0;
  99                         item := OleVariant( Self.Browser.Document as IHTMLDocument2)
 100                                         .anchors.item(OleVariant(AName));
 101                         item.focus();
 102                         repeat
 103                                 top := top + item.offsetTop;
 104                                 item := item.offsetParent;
 105                         until AnsiCompareText(item.tagName, 'body' ) = 0;
 106                         OleVariant(Self.Browser.Document as IHTMLDocument2).body.scrollTop := top;
 107                 except
 108                 end;
 109         end;
 110 end;
 111 //ID\83A\83\93\83J\81[\92Ç\89Á
 112 procedure TBrowserRecord.IDAnchorPopup(Abody :string);
 113 const
 114         OUTER_HTML = '<p id="idSearch"></p>';
 115         HIDDEN = 'hidden';
 116 var
 117         firstElement: IHTMLElement;
 118         document: IHTMLDocument2;
 119         docAll: IHTMLElementCollection;
 120         doc : Variant;
 121         nCSS : string;
 122 begin
 123         if Self.Browser <> nil then begin
 124                 try
 125                         document := Self.Browser.Document as IHTMLDocument2;
 126
 127                         if Assigned(document) then begin
 128                                 docAll := document.all;
 129                                 firstElement := docAll.item('idSearch', 0) as IHTMLElement;
 130                                 if (Assigned(firstElement)) then begin
 131                                         if Length(Abody) > 0 then begin
 132                                                 doc := Idispatch( olevariant(Self.Browser.ControlInterface).Document) as IHTMLDocument2;
 133                                                 nCSS := '<p id="idSearch" style="position:absolute;top:' + IntToStr(doc.Body.ScrollTop + 10) + 'px;right:5px;' //
 134                                                         + 'background-color:window; border:outset 1px infobackground; z-index:10; overflow-y:auto; border-top:none">'
 135                                                         + Abody + '</p>';
 136                                                 firstElement.outerHTML := nCSS;
 137                                                 firstElement.style.visibility := 'visible';
 138                                         end else begin
 139                                                 firstElement.outerHTML := OUTER_HTML;
 140                                                 firstElement.style.visibility := HIDDEN;
 141                                         end;
 142                                 end else if (Assigned(firstElement)) then begin
 143                                         firstElement.outerHTML := OUTER_HTML;
 144                                         firstElement.style.visibility := HIDDEN;
 145                                 end;
 146                         end;
 147                 except
 148                 end;
 149         end;
 150 end;
 151
 152
 153 end.