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Contents of /gikonavigoeson/gikonavi/BrowserRecord.pas

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Revision 1.6 - (show annotations) (download) (as text)
Sat Apr 14 16:52:57 2007 UTC (17 years ago) by h677
Branch: MAIN
CVS Tags: v1_56_0_698
Changes since 1.5: +28 -1 lines
File MIME type: text/x-pascal
ブラウザのページUp/Downアクションの追加
イメージ以外のリンクURLを取得するアクションを追加

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; ///< ???????吟?????ャ?<?潟???ゃ???潟??
21 FThread : TThreadItem;
22 FLastSize : Integer;
23 FRepaint : Boolean;
24 //FMovement : string; ///< ?鴻?????若?????≪?潟????/span>
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); overload;
34 procedure Move(scroll: Integer); overload;
35 procedure IDAnchorPopup(Abody :string);
36 procedure OpenFindDialog;
37 end;
38 // BrowserRecord???ゃ????????FBrowser??紊???
39 procedure ReleaseBrowser( BRecord: TBrowserRecord);
40
41 implementation
42
43 uses
44 Forms, SysUtils;
45
46 // *************************************************************************
47 //! BrowserRecord???ゃ????????FBrowser??紊???
48 // *************************************************************************
49 procedure ReleaseBrowser( BRecord: TBrowserRecord);
50 begin
51 if BRecord <> nil then begin
52 BRecord.Browser := nil;
53 if BRecord.Event <> nil then begin
54 BRecord.Event.Free;
55 BRecord.Event := nil;
56 end;
57 BRecord.Repaint := true;
58 end;
59 end;
60 // *************************************************************************
61 //! BrowserRecord?????鴻????????/span>
62 // *************************************************************************
63 destructor TBrowserRecord.Destroy;
64 var
65 doc :OleVariant;
66 begin
67 if Self.FEvent <> nil then
68 Self.FEvent.Free;
69 if Self.FBrowser <> nil then begin
70 if Self.Thread <> nil then begin
71 //?帥????奨???у奨?????????鴻????????祉??????????????????????????/span>
72 //???????????鴻?????若?????篆?絖????????障?????????????祉?c?????障????
73 if Self.FBrowser.OleObject.Document.documentElement.innerText <> '' then begin
74 doc := Idispatch( olevariant(Self.FBrowser.ControlInterface).Document) as IHTMLDocument2;
75 Self.Thread.ScrollTop := doc.Body.ScrollTop;
76 end;
77 end;
78 ShowWindow(Self.FBrowser.Handle, SW_HIDE);
79 end;
80
81 end;
82 // *************************************************************************
83 //! ???????吟???鴻?????若????????
84 // *************************************************************************
85 procedure TBrowserRecord.Move(const AName: string);
86 var
87 top: Integer;
88 item: OleVariant;
89 begin
90 //???????吟??篁???????????????????????
91 if (Self.Browser <> nil) then begin
92 //???????吟?????若?帥????粋昭?推賢????????粋昭?帥??緇???/span>
93 while (Self.Browser.ReadyState <> READYSTATE_COMPLETE) and
94 (Self.Browser.ReadyState <> READYSTATE_INTERACTIVE) do begin
95 Sleep(1);
96 Application.ProcessMessages;
97 end;
98
99 try
100 top := 0;
101 item := OleVariant( Self.Browser.Document as IHTMLDocument2)
102 .anchors.item(OleVariant(AName));
103 item.focus();
104 repeat
105 top := top + item.offsetTop;
106 item := item.offsetParent;
107 until AnsiCompareText(item.tagName, 'body' ) = 0;
108 OleVariant(Self.Browser.Document as IHTMLDocument2).body.scrollTop := top;
109 except
110 end;
111 end;
112 end;
113 // *************************************************************************
114 //! ???????吟???鴻?????若????????
115 // *************************************************************************
116 procedure TBrowserRecord.Move(scroll: Integer);
117 var
118 top: Integer;
119 item: OleVariant;
120 begin
121 //???????吟??篁???????????????????????
122 if (Self.Browser <> nil) then begin
123 //???????吟?????若?帥????粋昭?推賢????????粋昭?帥??緇???/span>
124 while (Self.Browser.ReadyState <> READYSTATE_COMPLETE) and
125 (Self.Browser.ReadyState <> READYSTATE_INTERACTIVE) do begin
126 Sleep(1);
127 Application.ProcessMessages;
128 end;
129
130 try
131 OleVariant(Self.Browser.Document as IHTMLDocument2).body.scrollTop
132 := OleVariant(Self.Browser.Document as IHTMLDocument2).body.scrollTop
133 + scroll;
134 except
135 end;
136 end;
137 end;
138
139 //ID?≪?潟???取申??
140 procedure TBrowserRecord.IDAnchorPopup(Abody :string);
141 const
142 OUTER_HTML = '<p id="idSearch"></p>';
143 HIDDEN = 'hidden';
144 var
145 firstElement: IHTMLElement;
146 document: IHTMLDocument2;
147 docAll: IHTMLElementCollection;
148 doc : Variant;
149 nCSS : string;
150 begin
151 if Self.Browser <> nil then begin
152 try
153 document := Self.Browser.Document as IHTMLDocument2;
154
155 if Assigned(document) then begin
156 docAll := document.all;
157 firstElement := docAll.item('idSearch', 0) as IHTMLElement;
158 if (Assigned(firstElement)) then begin
159 if Length(Abody) > 0 then begin
160 doc := Idispatch( olevariant(Self.Browser.ControlInterface).Document) as IHTMLDocument2;
161 nCSS := '<p id="idSearch" style="position:absolute;top:' + IntToStr(doc.Body.ScrollTop + 10) + 'px;right:5px;' //
162 + 'background-color:window; border:outset 1px infobackground; z-index:10; overflow-y:auto; border-top:none">'
163 + Abody + '</p>';
164 firstElement.outerHTML := nCSS;
165 firstElement.style.visibility := 'visible';
166 end else begin
167 firstElement.outerHTML := OUTER_HTML;
168 firstElement.style.visibility := HIDDEN;
169 end;
170 end else if (Assigned(firstElement)) then begin
171 firstElement.outerHTML := OUTER_HTML;
172 firstElement.style.visibility := HIDDEN;
173 end;
174 end;
175 except
176 end;
177 end;
178 end;
179 {
180 \brief 罎?膣≪???ゃ?≪???医?若?喝?冴??
181 }
182 procedure TBrowserRecord.OpenFindDialog();
183 const
184 CGID_WebBrowser: TGUID = '{ED016940-BD5B-11cf-BA4E-00C04FD70816}';
185 HTMLID_FIND = 1;
186 var
187 CmdTarget : IOleCommandTarget;
188 vaIn, vaOut: OleVariant;
189 PtrGUID: PGUID;
190 begin
191 if (Self.Browser <> nil) and (Self.Browser.Document <> nil) then begin
192 //???????吟?????若?帥????粋昭?推賢????????粋昭?帥??緇???/span>
193 while (Self.Browser.ReadyState <> READYSTATE_COMPLETE) and
194 (Self.Browser.ReadyState <> READYSTATE_INTERACTIVE) do begin
195 Sleep(1);
196 Application.ProcessMessages;
197 end;
198 vaIn := 0;
199 vaOut := 0;
200 New(PtrGUID);
201 PtrGUID^ := CGID_WebBrowser;
202 try
203 try
204 if Self.Browser.Document
205 .QueryInterface(IOleCommandTarget, CmdTarget)
206 = S_OK then begin
207 if CmdTarget <> nil then begin
208 try
209 CmdTarget.Exec(PtrGUID, HTMLID_FIND, 0, vaIn, vaOut);
210 finally
211 CmdTarget._Release;
212 end;
213 end;
214 end;
215 except
216 end;
217 finally
218 Dispose(PtrGUID);
219 end;
220 end;
221 end;
222
223 end.

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