429 lines
13 KiB
Plaintext
429 lines
13 KiB
Plaintext
unit utslvclcef;
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//20230410
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{**
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@explan(说明)封装cef到vcl控件,提供cef窗口的宿主控件,加入了,cookie,download,等功能 %%
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**}
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interface
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uses utslvclcefinterface,tslvcl;
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type tcefowner = class(tcustomcontrol)
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protected
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static fargs; //命令行参数
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static fcefapp; //app
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static fappsetting; //app设置
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static finitcef; //初始化标记
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static finitcefobj;//初始化标记
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static fcefloop; //消息循环
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static fcookiemgr;
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static fcookiewills;
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static fcefwindows;
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class function initcef(); //初始化cef
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begin
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if not finitcef then
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begin
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fcefwindows := array();
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finitcef := true;
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sinit();
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fcefloop := new tcefproc();
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app := initializeapplication();
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app.addExitMessageLoopdo(thisfunction(cef_shutdown));
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cef_initialize(fargs._getptr_(), fappsetting._getptr_(), fcefapp._getptr_(),0);
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fcookiemgr := new cef_cookie_manager_global_t();
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if fcookiewills then
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begin
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for i,v in fcookiewills do
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begin
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if ifnil(v[1]) then
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begin
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fcookiemgr.delete_cookies(v[2],v[0],fcookiemgr.callback);
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end else
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begin
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c := new cef_cookie_t();
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c.name := v[0];
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c.value := v[1];
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fcookiemgr.set_cookie(v[2],c,fcookiemgr.callback);
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end
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end
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fcookiewills := array();
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end
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end
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end
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class function sinit();override; //初始化
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begin
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if not finitcefobj then
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begin
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inherited;
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finitcefobj := true;
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fargs := new cef_main_args_t();
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fcefapp := new cef_app_t();
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fappsetting := new cef_settings_t();
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tp := unit(utslvclauxiliary).gettemppath();
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fappsetting.log_file := tp+"ceflogfile-"+datetostr(date())+".log";
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//fappsetting.browser_subprocess_path := %% F:\cef_105.3.39\AnalyseNG.NET\cefclient.exe%%;
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fappsetting.browser_subprocess_path := tslpath()+"tsl_cef_main.exe";
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fappsetting.cache_path := tp+"-cefcatche-";// %% F:\cef_105.3.39\tslcache%%;
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fappsetting.log_severity :=99;//0;
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end
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end
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public
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function create(AOwner);
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begin
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inherited;
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width := 300;
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height := 300;
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fwinfo := new cef_window_info_t();
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fclient := new cef_client_t();
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{frm := new cef_life_span_handler_t();
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frm.on_after_created := function(o,b)begin
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echo "\r\n craeteted:",b.get_main_frame().get_url(),"<<";
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end
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frm.on_before_close := function(o,b)begin
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echo "\r\n====doclose:",b.get_main_frame().get_url();
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end
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fclient.on_process_message_received := function()begin
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echo "\r\n>>>>:messagesabed:",params[4];
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//return 1;
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end
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fclient.life_span_handler := frm; }
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d := new cef_download_handler_t();
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fdownloader := d;
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d.can_download := function(o,b,u,m)begin
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return docandownload(o,b,u,m);
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//return true;
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end
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d.on_before_download := function(o,b,it,s,c)begin
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c.cont(s,1);
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end
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d.on_download_updated := function(o,b,it,c) begin
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return dodownloadupdate(o,b,it,c);
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end
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{fOndownloadupdate := function(o,e)begin
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echo "\r\n",e.get_id(),e.is_complete(),"=====",e.is_in_progress(),"===",e.is_complete(),"===",e.get_percent_complete(),"====",e.get_suggested_file_name();
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end
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foncandownload := function(o,e)begin
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echo "\r\n",e.method,"==>>=",e.url;
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//e.skip := true;
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end}
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muh := new cef_context_menu_handler_t();
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muh.on_before_context_menu := function(o,b,f,pms,d)begin
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ppm := PopupMenu;
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if d then d.remove(132);
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if ppm then
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begin
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fpopupmenushine := array();
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createusrmenu(ppm,d,27500);
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end
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end
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muh.on_context_menu_dismissed := function(o,b,f)begin
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fpopupmenushine := array();
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end
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muh.on_context_menu_command := function(o,b,f,pms,id,flg)begin
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oi := fpopupmenushine[id];
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if oi then
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begin
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e := new tuieventbase(0,0,0,0);
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CallMessgeFunction(oi.onclick,oi,e);
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return 1;
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end
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end
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fclient.context_menu_handler := muh;
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fclient.download_handler := d;
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fbrssetting := new cef_browser_settings_t();
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end
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function checknewchild(c);override;
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begin
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return false;
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end
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function WMSize(o,e);override;
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begin
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if not HandleAllocated() then return ;//
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ch := _wapi.GetWindow(o.handle,GW_CHILD);
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if ch then
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begin
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rc := ClientRect;
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_wapi.SetWindowPos(ch,0,rc[0],rc[1],rc[2],rc[3],0);
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end
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end
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function InitializeWnd();override;
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begin
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inherited;
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if HandleAllocated() then
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begin
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if not ifarray(fcefwindows) then
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begin
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fcefwindows := array();
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end
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fhandlebk := inttostr(handle);
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fcefwindows[fhandlebk] := self(true);
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initbrowser();
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end
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end
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function DestroyHandle();override;
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begin
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inherited;
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reindex(fcefwindows,array(fhandlebk:nil));
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fbrower := nil;
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end
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function Recycling();override;
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begin
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inherited;
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end
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function reload(ic); //重新加载,ic 是否忽略缓存
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begin
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if fbrower then
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begin
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if ic then fbrower.reload_ignore_cache();
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else fbrower.reload();
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end
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end
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function showdevtools(); //打开调试窗口
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begin
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if fbrower then
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begin
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host := fbrower.get_host();
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if host then
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begin
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host.show_dev_tools();
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end
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end
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end
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function closedevtools(); //关闭调试窗口
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begin
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if fbrower then
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begin
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host := fbrower.get_host();
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if host then
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begin
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host.close_dev_tools();
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end
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end
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end
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////////////////cookie///////////////////
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function setcookie(n,v,ur);//设置cookie值
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begin
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if not( n and ifstring(n)) then return 0;
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if not( v and ifstring(v)) then return 0;
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if not(ur and ifstring(ur)) then
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begin
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cur := furl;
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end else
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begin
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cur := ur;
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end
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cookie := new cef_cookie_t();
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cookie.name := n;
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cookie.value := v;
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if fcookiemgr then
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begin
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return fcookiemgr.set_cookie(cur,cookie,fcookiemgr.callback);
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end else
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begin
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if not(ifarray( fcookiewills)) then fcookiewills := array();
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fcookiewills[length(fcookiewills)] := array(n,v,cur);
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end
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end
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function delcookie(n,ur); //根据名字删除cookie
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begin
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if not( n and ifstring(n)) then return 0;
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if not(ur and ifstring(ur)) then
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begin
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cur := furl;
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end else
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begin
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cur := ur;
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end
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if fcookiemgr then
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begin
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fcookiemgr.delete_cookies(cur,n,fcookiemgr.callback);
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end else
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begin
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if not(ifarray( fcookiewills)) then fcookiewills := array();
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fcookiewills[length(fcookiewills)] := array(n,nil,cur);
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end
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end
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published
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property url:string read furl write seturl;
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property oncandownload:eventhandler read FOncandownload write FOncandownload;
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property Ondownloadupdate:eventhandler read FOndownloadupdate write fOndownloadupdate;
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private
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function seturl(url); //设置url
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begin
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if furl<>url then
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begin
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furl := url;
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if HandleAllocated() then
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begin
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if fbrower and (fm := fbrower.get_main_frame()) then
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begin
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fm.load_url(url);
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end else
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begin
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initbrowser();
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end
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end
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end
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end
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function initbrowser(); //初始加载url
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begin
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if csDesigning in ComponentState then return ;
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if furl and ifstring(furl) then
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begin
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initcef();
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r := ClientRect;
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fwinfo.parent_window := handle;
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fwinfo.window_name := Caption;
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fwinfo.bounds.x := r[0];
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fwinfo.bounds.y := r[1];
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fwinfo.bounds.width := r[2];
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fwinfo.bounds.height := r[3];
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fbrower := cef_browser_host_create_browser_sync_tsl(fwinfo, fclient,furl, fbrssetting, 0, 0);
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end
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end
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function createusrmenu(mu,d,idx); //构造菜单映射
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begin
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if not mu then return ;//
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for i,v in mu.items do
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begin
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idx++;
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fpopupmenushine[idx] := v;
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smu := v.ItemCount;
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if smu>0 then //存在子节点
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begin
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nd := d.add_sub_menu(idx,v.Caption);
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if not(v.Enabled) then //处理是否有效
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begin
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d.set_enabled(idx,false);
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end else
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createusrmenu(v,nd,idx); //处理子菜单
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end else //单个菜单
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begin
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if v.TSeparator then //分割类型
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begin
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d.add_separator();
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end else //添加菜单
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begin
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d.add_item(idx,v.Caption);
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if not(v.Enabled) then d.set_enabled(idx,false); //设置是否enabled
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end
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end
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end
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end
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function docandownload(o,b,u,m);//是否可以下载处理
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begin
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if FOncandownload then
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begin
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e := new tcandownevent(0,0,0,0);
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e.url := u;
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e.method := m;
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CallMessgeFunction(FOncandownload,self(true),e);
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return not(e.skip);
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end else
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begin
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return 1;
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end
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end
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function dodownloadupdate(o,b,it,c);//下载过程处理
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begin
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if FOndownloadupdate and it and c then
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begin
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e := new tdownupdateevent(0,0,0,0);
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e.FDownitem := it;
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e.fcallback := c;
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CallMessgeFunction(FOndownloadupdate,self(true),e);
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end
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end
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private
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[weakref]fbrower;
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[weakref]FOncandownload;
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[weakref]FOndownloadupdate;
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[weakref]fdownloader;
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[weakref]fpopupmenushine;
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[weakref]fclient;
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furl;
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fwinfo;
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fbrssetting;
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fhandlebk;
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class function tslpath(); //tsl.exe 目录
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begin
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p := pluginpath();
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iof := iofileseparator();
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for i:= length(p)-1 downto 1 do
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begin
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if p[i]=iof then return p[1:i];
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end
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return p;
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end
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end
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type tcandownevent = class(tuieventbase) //是否可以下载
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function create(m,w,l,h);override;
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begin
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inherited;
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end
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url; //url
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method; //post or get
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end
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type tdownupdateevent=class(tuieventbase)
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function create(m,w,l,h);override;
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begin
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inherited;
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end
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//call--back;
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function cancel();
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begin
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fcallback.cancel();
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end
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function pause();
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begin
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fcallback.pause();
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end
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function resume();
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begin
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fcallback.resume();
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end
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//down ----
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function is_complete();//是否完成
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begin
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return FDownitem.is_complete();
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end
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function is_in_progress();//正在进行
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begin
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return FDownitem.is_in_progress();
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end
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function get_current_speed();//当前速度
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begin
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return FDownitem.get_current_speed();
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end
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function get_percent_complete();//完成进度
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begin
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return FDownitem.get_percent_complete();
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end
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function get_full_path();//路径
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begin
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return FDownitem.get_full_path();
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end
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function get_original_url();//原始路径
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begin
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return FDownitem.get_original_url();
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end
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function get_suggested_file_name();//建议文件名
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begin
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return FDownitem.get_suggested_file_name();
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end
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function get_total_bytes(); //大小
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begin
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return FDownitem.get_total_bytes();
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end
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function get_id(); //序号
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begin
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return FDownitem.get_id();
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end
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FDownitem;
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fcallback;
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end
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implementation
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initialization
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end.
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