// ************************************************************************ // ***************************** CEF4Delphi ******************************* // ************************************************************************ // // CEF4Delphi is based on DCEF3 which uses CEF3 to embed a chromium-based // browser in Delphi applications. // // The original license of DCEF3 still applies to CEF4Delphi. // // For more information about CEF4Delphi visit : // https://www.briskbard.com/index.php?lang=en&pageid=cef // // Copyright © 2017 Salvador Díaz Fau. All rights reserved. // // ************************************************************************ // ************ vvvv Original license and comments below vvvv ************* // ************************************************************************ (* * Delphi Chromium Embedded 3 * * Usage allowed under the restrictions of the Lesser GNU General Public License * or alternatively the restrictions of the Mozilla Public License 1.1 * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for * the specific language governing rights and limitations under the License. * * Unit owner : Henri Gourvest * Web site : http://www.progdigy.com * Repository : http://code.google.com/p/delphichromiumembedded/ * Group : http://groups.google.com/group/delphichromiumembedded * * Embarcadero Technologies, Inc is not permitted to use or redistribute * this source code without explicit permission. * *) unit uMiniBrowser; {$I cef.inc} interface uses {$IFDEF DELPHI16_UP} Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Menus, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Vcl.ExtCtrls, System.Types, Vcl.ComCtrls, Vcl.ClipBrd, System.UITypes, Vcl.AppEvnts, Winapi.ActiveX, Winapi.ShlObj, {$ELSE} Windows, Messages, SysUtils, Variants, Classes, Graphics, Menus, Controls, Forms, Dialogs, StdCtrls, ExtCtrls, Types, ComCtrls, ClipBrd, AppEvnts, ActiveX, ShlObj, {$ENDIF} uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFTypes, uCEFConstants; const MINIBROWSER_SHOWDEVTOOLS = WM_APP + $101; MINIBROWSER_HIDEDEVTOOLS = WM_APP + $102; MINIBROWSER_COPYHTML = WM_APP + $103; MINIBROWSER_SHOWRESPONSE = WM_APP + $104; MINIBROWSER_COPYFRAMEIDS = WM_APP + $105; MINIBROWSER_COPYFRAMENAMES = WM_APP + $106; MINIBROWSER_SAVEPREFERENCES = WM_APP + $107; MINIBROWSER_COPYALLTEXT = WM_APP + $108; MINIBROWSER_TAKESNAPSHOT = WM_APP + $109; MINIBROWSER_HOMEPAGE = 'https://www.google.com'; MINIBROWSER_CONTEXTMENU_SHOWDEVTOOLS = MENU_ID_USER_FIRST + 1; MINIBROWSER_CONTEXTMENU_HIDEDEVTOOLS = MENU_ID_USER_FIRST + 2; MINIBROWSER_CONTEXTMENU_COPYHTML = MENU_ID_USER_FIRST + 3; MINIBROWSER_CONTEXTMENU_JSWRITEDOC = MENU_ID_USER_FIRST + 4; MINIBROWSER_CONTEXTMENU_JSPRINTDOC = MENU_ID_USER_FIRST + 5; MINIBROWSER_CONTEXTMENU_SHOWRESPONSE = MENU_ID_USER_FIRST + 6; MINIBROWSER_CONTEXTMENU_COPYFRAMEIDS = MENU_ID_USER_FIRST + 7; MINIBROWSER_CONTEXTMENU_COPYFRAMENAMES = MENU_ID_USER_FIRST + 8; MINIBROWSER_CONTEXTMENU_SAVEPREFERENCES = MENU_ID_USER_FIRST + 9; MINIBROWSER_CONTEXTMENU_COPYALLTEXT = MENU_ID_USER_FIRST + 10; MINIBROWSER_CONTEXTMENU_TAKESNAPSHOT = MENU_ID_USER_FIRST + 11; type TMiniBrowserFrm = class(TForm) NavControlPnl: TPanel; NavButtonPnl: TPanel; URLEditPnl: TPanel; BackBtn: TButton; ForwardBtn: TButton; ReloadBtn: TButton; CEFWindowParent1: TCEFWindowParent; Chromium1: TChromium; StopBtn: TButton; DevTools: TCEFWindowParent; Splitter1: TSplitter; StatusBar1: TStatusBar; URLCbx: TComboBox; ConfigPnl: TPanel; ConfigBtn: TButton; PopupMenu1: TPopupMenu; DevTools1: TMenuItem; N1: TMenuItem; Preferences1: TMenuItem; GoBtn: TButton; N2: TMenuItem; PrintinPDF1: TMenuItem; Print1: TMenuItem; N3: TMenuItem; Zoom1: TMenuItem; Inczoom1: TMenuItem; Deczoom1: TMenuItem; Resetzoom1: TMenuItem; SaveDialog1: TSaveDialog; ApplicationEvents1: TApplicationEvents; OpenDialog1: TOpenDialog; N4: TMenuItem; Openfile1: TMenuItem; Resolvehost1: TMenuItem; Timer1: TTimer; procedure FormShow(Sender: TObject); procedure BackBtnClick(Sender: TObject); procedure ForwardBtnClick(Sender: TObject); procedure ReloadBtnClick(Sender: TObject); procedure Chromium1AfterCreated(Sender: TObject; const browser: ICefBrowser); procedure Chromium1LoadingStateChange(Sender: TObject; const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean); procedure Chromium1TitleChange(Sender: TObject; const browser: ICefBrowser; const title: ustring); procedure Chromium1AddressChange(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const url: ustring); procedure Chromium1BeforeContextMenu(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel); procedure Chromium1StatusMessage(Sender: TObject; const browser: ICefBrowser; const value: ustring); procedure Chromium1TextResultAvailable(Sender: TObject; const aText: string); procedure PopupMenu1Popup(Sender: TObject); procedure DevTools1Click(Sender: TObject); procedure Preferences1Click(Sender: TObject); procedure ConfigBtnClick(Sender: TObject); procedure GoBtnClick(Sender: TObject); procedure PrintinPDF1Click(Sender: TObject); procedure Print1Click(Sender: TObject); procedure Inczoom1Click(Sender: TObject); procedure Deczoom1Click(Sender: TObject); procedure Resetzoom1Click(Sender: TObject); procedure Chromium1FullScreenModeChange(Sender: TObject; const browser: ICefBrowser; fullscreen: Boolean); procedure Chromium1PreKeyEvent(Sender: TObject; const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: PMsg; out isKeyboardShortcut, Result: Boolean); procedure Chromium1KeyEvent(Sender: TObject; const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: PMsg; out Result: Boolean); procedure ApplicationEvents1Message(var Msg: tagMSG; var Handled: Boolean); procedure Openfile1Click(Sender: TObject); procedure Chromium1ContextMenuCommand(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; commandId: Integer; eventFlags: Cardinal; out Result: Boolean); procedure Chromium1PdfPrintFinished(Sender: TObject; aResultOK: Boolean); procedure Chromium1ResourceResponse(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; out Result: Boolean); procedure StopBtnClick(Sender: TObject); procedure Resolvehost1Click(Sender: TObject); procedure Chromium1ResolvedHostAvailable(Sender: TObject; result: Integer; const resolvedIps: TStrings); procedure Timer1Timer(Sender: TObject); procedure Chromium1PrefsAvailable(Sender: TObject; aResultOK: Boolean); procedure Chromium1BeforeDownload(Sender: TObject; const browser: ICefBrowser; const downloadItem: ICefDownloadItem; const suggestedName: ustring; const callback: ICefBeforeDownloadCallback); procedure Chromium1DownloadUpdated(Sender: TObject; const browser: ICefBrowser; const downloadItem: ICefDownloadItem; const callback: ICefDownloadItemCallback); protected FResponse : string; procedure AddURL(const aURL : string); procedure ShowDevTools(aPoint : TPoint); overload; procedure ShowDevTools; overload; procedure HideDevTools; procedure HandleKeyUp(const aMsg : TMsg; var aHandled : boolean); procedure HandleKeyDown(const aMsg : TMsg; var aHandled : boolean); procedure BrowserCreatedMsg(var aMessage : TMessage); message CEF_AFTERCREATED; procedure ShowDevToolsMsg(var aMessage : TMessage); message MINIBROWSER_SHOWDEVTOOLS; procedure HideDevToolsMsg(var aMessage : TMessage); message MINIBROWSER_HIDEDEVTOOLS; procedure CopyAllTextMsg(var aMessage : TMessage); message MINIBROWSER_COPYALLTEXT; procedure CopyHTMLMsg(var aMessage : TMessage); message MINIBROWSER_COPYHTML; procedure CopyFramesIDsMsg(var aMessage : TMessage); message MINIBROWSER_COPYFRAMEIDS; procedure CopyFramesNamesMsg(var aMessage : TMessage); message MINIBROWSER_COPYFRAMENAMES; procedure ShowResponseMsg(var aMessage : TMessage); message MINIBROWSER_SHOWRESPONSE; procedure SavePreferencesMsg(var aMessage : TMessage); message MINIBROWSER_SAVEPREFERENCES; procedure TakeSnapshotMsg(var aMessage : TMessage); message MINIBROWSER_TAKESNAPSHOT; procedure WMMove(var aMessage : TWMMove); message WM_MOVE; procedure WMMoving(var aMessage : TMessage); message WM_MOVING; procedure WMEnterMenuLoop(var aMessage: TMessage); message WM_ENTERMENULOOP; procedure WMExitMenuLoop(var aMessage: TMessage); message WM_EXITMENULOOP; public procedure ShowStatusText(const aText : string); end; var MiniBrowserFrm : TMiniBrowserFrm; implementation {$R *.dfm} uses uPreferences; procedure TMiniBrowserFrm.BackBtnClick(Sender: TObject); begin Chromium1.GoBack; end; procedure TMiniBrowserFrm.ForwardBtnClick(Sender: TObject); begin Chromium1.GoForward; end; procedure TMiniBrowserFrm.GoBtnClick(Sender: TObject); begin Chromium1.LoadURL(URLCbx.Text); end; procedure TMiniBrowserFrm.ReloadBtnClick(Sender: TObject); begin Chromium1.Reload; end; procedure TMiniBrowserFrm.Resetzoom1Click(Sender: TObject); begin Chromium1.ResetZoomStep; end; procedure TMiniBrowserFrm.Resolvehost1Click(Sender: TObject); var TempURL : string; begin TempURL := inputbox('Resolve host', 'URL :', 'http://google.com'); if (length(TempURL) > 0) then Chromium1.ResolveHost(TempURL); end; procedure TMiniBrowserFrm.Chromium1AddressChange(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const url: ustring); begin AddURL(url); end; procedure TMiniBrowserFrm.Chromium1AfterCreated(Sender: TObject; const browser: ICefBrowser); begin PostMessage(Handle, CEF_AFTERCREATED, 0, 0); end; procedure TMiniBrowserFrm.Chromium1BeforeContextMenu(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel); begin model.AddSeparator; model.AddItem(MINIBROWSER_CONTEXTMENU_TAKESNAPSHOT, 'Take snapshot...'); model.AddSeparator; model.AddItem(MINIBROWSER_CONTEXTMENU_COPYALLTEXT, 'Copy displayed text to clipboard'); model.AddItem(MINIBROWSER_CONTEXTMENU_COPYHTML, 'Copy HTML to clipboard'); model.AddItem(MINIBROWSER_CONTEXTMENU_COPYFRAMEIDS, 'Copy HTML frame identifiers to clipboard'); model.AddItem(MINIBROWSER_CONTEXTMENU_COPYFRAMENAMES, 'Copy HTML frame names to clipboard'); model.AddSeparator; model.AddItem(MINIBROWSER_CONTEXTMENU_SAVEPREFERENCES, 'Save preferences as...'); model.AddSeparator; model.AddItem(MINIBROWSER_CONTEXTMENU_JSWRITEDOC, 'Modify HTML document'); model.AddItem(MINIBROWSER_CONTEXTMENU_JSPRINTDOC, 'Print using Javascript'); model.AddItem(MINIBROWSER_CONTEXTMENU_SHOWRESPONSE, 'Show last server response'); if DevTools.Visible then model.AddItem(MINIBROWSER_CONTEXTMENU_HIDEDEVTOOLS, 'Hide DevTools') else model.AddItem(MINIBROWSER_CONTEXTMENU_SHOWDEVTOOLS, 'Show DevTools'); end; function PathToMyDocuments : string; var Allocator : IMalloc; Path : pchar; idList : PItemIDList; begin Result := ''; Path := nil; idList := nil; try if (SHGetMalloc(Allocator) = S_OK) then begin GetMem(Path, MAX_PATH); if (SHGetSpecialFolderLocation(0, CSIDL_PERSONAL, idList) = S_OK) and SHGetPathFromIDList(idList, Path) then Result := string(Path); end; finally if (Path <> nil) then FreeMem(Path); if (idList <> nil) then Allocator.Free(idList); end; end; procedure TMiniBrowserFrm.Chromium1BeforeDownload(Sender: TObject; const browser: ICefBrowser; const downloadItem: ICefDownloadItem; const suggestedName: ustring; const callback: ICefBeforeDownloadCallback); var TempMyDocuments, TempFullPath, TempName : string; begin if (downloadItem = nil) or not(downloadItem.IsValid) then exit; TempMyDocuments := PathToMyDocuments; if (length(suggestedName) > 0) then TempName := suggestedName else TempName := 'DownloadedFile'; if (length(TempMyDocuments) > 0) then TempFullPath := IncludeTrailingPathDelimiter(TempMyDocuments) + TempName else TempFullPath := TempName; callback.cont(TempFullPath, False); end; procedure TMiniBrowserFrm.Chromium1ContextMenuCommand(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; commandId: Integer; eventFlags: Cardinal; out Result: Boolean); var TempParam : WParam; begin Result := False; case commandId of MINIBROWSER_CONTEXTMENU_HIDEDEVTOOLS : PostMessage(Handle, MINIBROWSER_HIDEDEVTOOLS, 0, 0); MINIBROWSER_CONTEXTMENU_SHOWDEVTOOLS : begin TempParam := ((params.XCoord and $FFFF) shl 16) or (params.YCoord and $FFFF); PostMessage(Handle, MINIBROWSER_SHOWDEVTOOLS, TempParam, 0); end; MINIBROWSER_CONTEXTMENU_COPYALLTEXT : PostMessage(Handle, MINIBROWSER_COPYALLTEXT, 0, 0); MINIBROWSER_CONTEXTMENU_COPYHTML : PostMessage(Handle, MINIBROWSER_COPYHTML, 0, 0); MINIBROWSER_CONTEXTMENU_COPYFRAMEIDS : PostMessage(Handle, MINIBROWSER_COPYFRAMEIDS, 0, 0); MINIBROWSER_CONTEXTMENU_COPYFRAMENAMES : PostMessage(Handle, MINIBROWSER_COPYFRAMENAMES, 0, 0); MINIBROWSER_CONTEXTMENU_SHOWRESPONSE : PostMessage(Handle, MINIBROWSER_SHOWRESPONSE, 0, 0); MINIBROWSER_CONTEXTMENU_SAVEPREFERENCES : PostMessage(Handle, MINIBROWSER_SAVEPREFERENCES, 0, 0); MINIBROWSER_CONTEXTMENU_TAKESNAPSHOT : PostMessage(Handle, MINIBROWSER_TAKESNAPSHOT, 0, 0); MINIBROWSER_CONTEXTMENU_JSWRITEDOC : if (browser <> nil) and (browser.MainFrame <> nil) then browser.MainFrame.ExecuteJavaScript( 'var css = ' + chr(39) + '@page {size: A4; margin: 0;} @media print {html, body {width: 210mm; height: 297mm;}}' + chr(39) + '; ' + 'var style = document.createElement(' + chr(39) + 'style' + chr(39) + '); ' + 'style.type = ' + chr(39) + 'text/css' + chr(39) + '; ' + 'style.appendChild(document.createTextNode(css)); ' + 'document.head.appendChild(style);', 'about:blank', 0); MINIBROWSER_CONTEXTMENU_JSPRINTDOC : if (browser <> nil) and (browser.MainFrame <> nil) then browser.MainFrame.ExecuteJavaScript('window.print();', 'about:blank', 0); end; end; procedure TMiniBrowserFrm.Chromium1DownloadUpdated(Sender: TObject; const browser: ICefBrowser; const downloadItem: ICefDownloadItem; const callback: ICefDownloadItemCallback); var TempString : string; begin if downloadItem.IsComplete then ShowStatusText(downloadItem.FullPath + ' completed') else if downloadItem.IsCanceled then ShowStatusText(downloadItem.FullPath + ' canceled') else if downloadItem.IsInProgress then begin if (downloadItem.PercentComplete >= 0) then TempString := downloadItem.FullPath + ' : ' + inttostr(downloadItem.PercentComplete) + '%' else TempString := downloadItem.FullPath + ' : ' + inttostr(downloadItem.ReceivedBytes) + ' bytes received'; ShowStatusText(TempString); end; end; procedure TMiniBrowserFrm.Chromium1FullScreenModeChange(Sender: TObject; const browser: ICefBrowser; fullscreen: Boolean); begin if fullscreen then begin NavControlPnl.Visible := False; StatusBar1.Visible := False; if (WindowState = wsMaximized) then WindowState := wsNormal; BorderIcons := []; BorderStyle := bsNone; WindowState := wsMaximized; end else begin BorderIcons := [biSystemMenu, biMinimize, biMaximize]; BorderStyle := bsSizeable; WindowState := wsNormal; NavControlPnl.Visible := True; StatusBar1.Visible := True; end; end; procedure TMiniBrowserFrm.Chromium1KeyEvent(Sender: TObject; const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: PMsg; out Result: Boolean); var TempMsg : TMsg; begin Result := False; if (event <> nil) and (osEvent <> nil) then case osEvent.Message of WM_KEYUP : begin TempMsg := osEvent^; HandleKeyUp(TempMsg, Result); end; WM_KEYDOWN : begin TempMsg := osEvent^; HandleKeyDown(TempMsg, Result); end; end; end; procedure TMiniBrowserFrm.ApplicationEvents1Message(var Msg: tagMSG; var Handled: Boolean); begin case Msg.message of WM_KEYUP : HandleKeyUp(Msg, Handled); WM_KEYDOWN : HandleKeyDown(Msg, Handled); end; end; procedure TMiniBrowserFrm.HandleKeyUp(const aMsg : TMsg; var aHandled : boolean); var TempMessage : TMessage; TempKeyMsg : TWMKey; begin TempMessage.Msg := aMsg.message; TempMessage.wParam := aMsg.wParam; TempMessage.lParam := aMsg.lParam; TempKeyMsg := TWMKey(TempMessage); if (TempKeyMsg.CharCode = VK_F12) then begin aHandled := True; if DevTools.Visible then PostMessage(Handle, MINIBROWSER_HIDEDEVTOOLS, 0, 0) else PostMessage(Handle, MINIBROWSER_SHOWDEVTOOLS, 0, 0); end; end; procedure TMiniBrowserFrm.HandleKeyDown(const aMsg : TMsg; var aHandled : boolean); var TempMessage : TMessage; TempKeyMsg : TWMKey; begin TempMessage.Msg := aMsg.message; TempMessage.wParam := aMsg.wParam; TempMessage.lParam := aMsg.lParam; TempKeyMsg := TWMKey(TempMessage); if (TempKeyMsg.CharCode = VK_F12) then aHandled := True; end; procedure TMiniBrowserFrm.Chromium1LoadingStateChange(Sender: TObject; const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean); begin BackBtn.Enabled := canGoBack; ForwardBtn.Enabled := canGoForward; if isLoading then begin StatusBar1.Panels[0].Text := 'Loading...'; ReloadBtn.Enabled := False; StopBtn.Enabled := True; end else begin StatusBar1.Panels[0].Text := 'Finished'; ReloadBtn.Enabled := True; StopBtn.Enabled := False; end; end; procedure TMiniBrowserFrm.Chromium1PdfPrintFinished(Sender: TObject; aResultOK: Boolean); begin if aResultOK then showmessage('The PDF file was generated successfully') else showmessage('There was a problem generating the PDF file.'); end; procedure TMiniBrowserFrm.Chromium1PrefsAvailable(Sender: TObject; aResultOK: Boolean); begin if aResultOK then showmessage('The preferences file was generated successfully') else showmessage('There was a problem generating the preferences file.'); end; procedure TMiniBrowserFrm.Chromium1PreKeyEvent(Sender: TObject; const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: PMsg; out isKeyboardShortcut, Result: Boolean); begin Result := False; if (event <> nil) and (event.kind in [KEYEVENT_KEYDOWN, KEYEVENT_KEYUP]) and (event.windows_key_code = VK_F12) then isKeyboardShortcut := True; end; procedure TMiniBrowserFrm.Chromium1ResolvedHostAvailable(Sender: TObject; result: Integer; const resolvedIps: TStrings); begin if (result = ERR_NONE) then showmessage('Resolved IPs : ' + resolvedIps.CommaText) else showmessage('There was a problem resolving the host.' + CRLF + 'Error code : ' + inttostr(result)); end; procedure TMiniBrowserFrm.Chromium1ResourceResponse(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; out Result: Boolean); begin Result := False; if (frame <> nil) and frame.IsMain and (response <> nil) and (request <> nil) then begin FResponse := 'URL : ' + request.Url + CRLF + 'Status : ' + inttostr(response.Status) + CRLF + 'MimeType : ' + response.MimeType; if (request.postdata <> nil) then FResponse := FResponse + CRLF + 'Post data elements : ' + inttostr(request.postdata.GetCount); end; end; procedure TMiniBrowserFrm.ShowStatusText(const aText : string); begin StatusBar1.Panels[1].Text := aText; end; procedure TMiniBrowserFrm.StopBtnClick(Sender: TObject); begin Chromium1.StopLoad; end; procedure TMiniBrowserFrm.Chromium1StatusMessage(Sender: TObject; const browser: ICefBrowser; const value: ustring); begin ShowStatusText(value); end; procedure TMiniBrowserFrm.Chromium1TextResultAvailable(Sender: TObject; const aText: string); begin clipboard.AsText := aText; end; procedure TMiniBrowserFrm.Chromium1TitleChange(Sender: TObject; const browser: ICefBrowser; const title: ustring); begin if (title <> '') then caption := 'MiniBrowser - ' + title else caption := 'MiniBrowser'; end; procedure TMiniBrowserFrm.FormShow(Sender: TObject); begin ShowStatusText('Initializing browser. Please wait...'); // WebRTC's IP leaking can lowered/avoided by setting these preferences // To test this go to https://www.browserleaks.com/webrtc Chromium1.WebRTCIPHandlingPolicy := hpDisableNonProxiedUDP; Chromium1.WebRTCMultipleRoutes := STATE_DISABLED; Chromium1.WebRTCNonproxiedUDP := STATE_DISABLED; // GlobalCEFApp.GlobalContextInitialized has to be TRUE before creating any browser // If it's not initialized yet, we use a simple timer to create the browser later. if not(Chromium1.CreateBrowser(CEFWindowParent1, '')) then Timer1.Enabled := True; end; procedure TMiniBrowserFrm.Timer1Timer(Sender: TObject); begin Timer1.Enabled := False; if not(Chromium1.CreateBrowser(CEFWindowParent1, '')) and not(Chromium1.Initialized) then Timer1.Enabled := True; end; procedure TMiniBrowserFrm.BrowserCreatedMsg(var aMessage : TMessage); begin CEFWindowParent1.UpdateSize; NavControlPnl.Enabled := True; AddURL(MINIBROWSER_HOMEPAGE); Chromium1.LoadURL(MINIBROWSER_HOMEPAGE); end; procedure TMiniBrowserFrm.AddURL(const aURL : string); begin if (URLCbx.Items.IndexOf(aURL) < 0) then URLCbx.Items.Add(aURL); URLCbx.Text := aURL; end; procedure TMiniBrowserFrm.ShowDevToolsMsg(var aMessage : TMessage); var TempPoint : TPoint; begin TempPoint.x := (aMessage.wParam shr 16) and $FFFF; TempPoint.y := aMessage.wParam and $FFFF; ShowDevTools(TempPoint); end; procedure TMiniBrowserFrm.HideDevToolsMsg(var aMessage : TMessage); begin HideDevTools; end; procedure TMiniBrowserFrm.Inczoom1Click(Sender: TObject); begin Chromium1.IncZoomStep; end; procedure TMiniBrowserFrm.Openfile1Click(Sender: TObject); begin // This is a quick solution to load files. The file URL should be properly encoded. if OpenDialog1.Execute then Chromium1.LoadURL('file:///' + OpenDialog1.FileName); end; procedure TMiniBrowserFrm.PopupMenu1Popup(Sender: TObject); begin if DevTools.Visible then DevTools1.Caption := 'Hide DevTools' else DevTools1.Caption := 'Show DevTools'; end; procedure TMiniBrowserFrm.Preferences1Click(Sender: TObject); begin case Chromium1.ProxyScheme of psSOCKS4 : PreferencesFrm.ProxySchemeCb.ItemIndex := 1; psSOCKS5 : PreferencesFrm.ProxySchemeCb.ItemIndex := 2; else PreferencesFrm.ProxySchemeCb.ItemIndex := 0; end; PreferencesFrm.ProxyTypeCbx.ItemIndex := Chromium1.ProxyType; PreferencesFrm.ProxyServerEdt.Text := Chromium1.ProxyServer; PreferencesFrm.ProxyPortEdt.Text := inttostr(Chromium1.ProxyPort); PreferencesFrm.ProxyUsernameEdt.Text := Chromium1.ProxyUsername; PreferencesFrm.ProxyPasswordEdt.Text := Chromium1.ProxyPassword; PreferencesFrm.ProxyScriptURLEdt.Text := Chromium1.ProxyScriptURL; PreferencesFrm.ProxyByPassListEdt.Text := Chromium1.ProxyByPassList; PreferencesFrm.HeaderNameEdt.Text := Chromium1.CustomHeaderName; PreferencesFrm.HeaderValueEdt.Text := Chromium1.CustomHeaderValue; if (PreferencesFrm.ShowModal = mrOk) then begin Chromium1.ProxyType := PreferencesFrm.ProxyTypeCbx.ItemIndex; Chromium1.ProxyServer := PreferencesFrm.ProxyServerEdt.Text; Chromium1.ProxyPort := strtoint(PreferencesFrm.ProxyPortEdt.Text); Chromium1.ProxyUsername := PreferencesFrm.ProxyUsernameEdt.Text; Chromium1.ProxyPassword := PreferencesFrm.ProxyPasswordEdt.Text; Chromium1.ProxyScriptURL := PreferencesFrm.ProxyScriptURLEdt.Text; Chromium1.ProxyByPassList := PreferencesFrm.ProxyByPassListEdt.Text; Chromium1.CustomHeaderName := PreferencesFrm.HeaderNameEdt.Text; Chromium1.CustomHeaderValue := PreferencesFrm.HeaderValueEdt.Text; case PreferencesFrm.ProxySchemeCb.ItemIndex of 1 : Chromium1.ProxyScheme := psSOCKS4; 2 : Chromium1.ProxyScheme := psSOCKS5; else Chromium1.ProxyScheme := psHTTP; end; Chromium1.UpdatePreferences; end; end; procedure TMiniBrowserFrm.Print1Click(Sender: TObject); begin Chromium1.Print; end; procedure TMiniBrowserFrm.PrintinPDF1Click(Sender: TObject); begin SaveDialog1.DefaultExt := 'pdf'; SaveDialog1.Filter := 'PDF files (*.pdf)|*.PDF'; if SaveDialog1.Execute and (length(SaveDialog1.FileName) > 0) then Chromium1.PrintToPDF(SaveDialog1.FileName, Chromium1.DocumentURL, Chromium1.DocumentURL); end; procedure TMiniBrowserFrm.ConfigBtnClick(Sender: TObject); var TempPoint : TPoint; begin TempPoint.x := ConfigBtn.left; TempPoint.y := ConfigBtn.top + ConfigBtn.Height; TempPoint := ConfigPnl.ClientToScreen(TempPoint); PopupMenu1.Popup(TempPoint.x, TempPoint.y); end; procedure TMiniBrowserFrm.CopyHTMLMsg(var aMessage : TMessage); begin Chromium1.RetrieveHTML; end; procedure TMiniBrowserFrm.CopyAllTextMsg(var aMessage : TMessage); begin Chromium1.RetrieveText; end; procedure TMiniBrowserFrm.CopyFramesIDsMsg(var aMessage : TMessage); var i : NativeUInt; TempCount : NativeUInt; TempArray : TCefFrameIdentifierArray; TempString : string; begin TempCount := Chromium1.FrameCount; if Chromium1.GetFrameIdentifiers(TempCount, TempArray) then begin TempString := ''; i := 0; while (i < TempCount) do begin TempString := TempString + inttostr(TempArray[i]) + CRLF; inc(i); end; clipboard.AsText := TempString; end; end; procedure TMiniBrowserFrm.CopyFramesNamesMsg(var aMessage : TMessage); var TempSL : TStringList; begin try TempSL := TStringList.Create; if Chromium1.GetFrameNames(TStrings(TempSL)) then clipboard.AsText := TempSL.Text; finally FreeAndNil(TempSL); end; end; procedure TMiniBrowserFrm.ShowResponseMsg(var aMessage : TMessage); begin if (length(FResponse) > 0) then MessageDlg(FResponse, mtInformation, [mbOk], 0); end; procedure TMiniBrowserFrm.SavePreferencesMsg(var aMessage : TMessage); begin SaveDialog1.DefaultExt := 'txt'; SaveDialog1.Filter := 'Text files (*.txt)|*.TXT'; if SaveDialog1.Execute and (length(SaveDialog1.FileName) > 0) then Chromium1.SavePreferences(SaveDialog1.FileName); end; procedure TMiniBrowserFrm.TakeSnapshotMsg(var aMessage : TMessage); var TempBitmap : TBitmap; begin TempBitmap := nil; try SaveDialog1.DefaultExt := 'bmp'; SaveDialog1.Filter := 'Bitmap files (*.bmp)|*.BMP'; if SaveDialog1.Execute and (length(SaveDialog1.FileName) > 0) and Chromium1.TakeSnapshot(TempBitmap) then TempBitmap.SaveToFile(SaveDialog1.FileName); finally if (TempBitmap <> nil) then FreeAndNil(TempBitmap); end; end; procedure TMiniBrowserFrm.WMMove(var aMessage : TWMMove); begin inherited; if (Chromium1 <> nil) then Chromium1.NotifyMoveOrResizeStarted; end; procedure TMiniBrowserFrm.WMMoving(var aMessage : TMessage); begin inherited; if (Chromium1 <> nil) then Chromium1.NotifyMoveOrResizeStarted; end; procedure TMiniBrowserFrm.WMEnterMenuLoop(var aMessage: TMessage); begin inherited; if (aMessage.wParam = 0) and (GlobalCEFApp <> nil) then GlobalCEFApp.OsmodalLoop := True; end; procedure TMiniBrowserFrm.WMExitMenuLoop(var aMessage: TMessage); begin inherited; if (aMessage.wParam = 0) and (GlobalCEFApp <> nil) then GlobalCEFApp.OsmodalLoop := False; end; procedure TMiniBrowserFrm.Deczoom1Click(Sender: TObject); begin Chromium1.DecZoomStep; end; procedure TMiniBrowserFrm.DevTools1Click(Sender: TObject); begin if DevTools.Visible then HideDevTools else ShowDevTools; end; procedure TMiniBrowserFrm.ShowDevTools(aPoint : TPoint); begin Splitter1.Visible := True; DevTools.Visible := True; DevTools.Width := Width div 4; Chromium1.ShowDevTools(aPoint, DevTools); end; procedure TMiniBrowserFrm.ShowDevTools; var TempPoint : TPoint; begin TempPoint.x := low(integer); TempPoint.y := low(integer); ShowDevTools(TempPoint); end; procedure TMiniBrowserFrm.HideDevTools; begin Chromium1.CloseDevTools(DevTools); Splitter1.Visible := False; DevTools.Visible := False; DevTools.Width := 0; end; end.