mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-16 08:15:55 +01:00
172e7ba9e4
- Added TChromium.LoadString using a DATA URL - Added TChromium.LoadResource using a DATA URL
1437 lines
48 KiB
ObjectPascal
1437 lines
48 KiB
ObjectPascal
// ************************************************************************
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// ***************************** CEF4Delphi *******************************
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// ************************************************************************
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//
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// CEF4Delphi is based on DCEF3 which uses CEF to embed a chromium-based
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// browser in Delphi applications.
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//
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// The original license of DCEF3 still applies to CEF4Delphi.
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//
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// For more information about CEF4Delphi visit :
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// https://www.briskbard.com/index.php?lang=en&pageid=cef
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//
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// Copyright © 2019 Salvador Diaz Fau. All rights reserved.
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//
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// ************************************************************************
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// ************ vvvv Original license and comments below vvvv *************
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// ************************************************************************
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(*
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* Delphi Chromium Embedded 3
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*
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* Usage allowed under the restrictions of the Lesser GNU General Public License
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* or alternatively the restrictions of the Mozilla Public License 1.1
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
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* the specific language governing rights and limitations under the License.
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*
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* Unit owner : Henri Gourvest <hgourvest@gmail.com>
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* Web site : http://www.progdigy.com
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* Repository : http://code.google.com/p/delphichromiumembedded/
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* Group : http://groups.google.com/group/delphichromiumembedded
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*
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* Embarcadero Technologies, Inc is not permitted to use or redistribute
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* this source code without explicit permission.
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*
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*)
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unit uMiniBrowser;
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{$I cef.inc}
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interface
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uses
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Windows, Messages, SysUtils, Variants, Classes, Graphics, Menus,
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Controls, Forms, Dialogs, StdCtrls, ExtCtrls, Types, ComCtrls, ClipBrd, ActiveX, ShlObj,
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uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFTypes, uCEFConstants,
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uCEFWinControl, uCEFChromiumEvents, uCEFSentinel;
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const
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MINIBROWSER_SHOWDEVTOOLS = WM_APP + $101;
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MINIBROWSER_HIDEDEVTOOLS = WM_APP + $102;
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MINIBROWSER_COPYHTML = WM_APP + $103;
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MINIBROWSER_SHOWRESPONSE = WM_APP + $104;
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MINIBROWSER_COPYFRAMEIDS = WM_APP + $105;
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MINIBROWSER_COPYFRAMENAMES = WM_APP + $106;
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MINIBROWSER_SAVEPREFERENCES = WM_APP + $107;
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MINIBROWSER_COPYALLTEXT = WM_APP + $108;
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MINIBROWSER_TAKESNAPSHOT = WM_APP + $109;
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MINIBROWSER_SHOWNAVIGATION = WM_APP + $10A;
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MINIBROWSER_COOKIESFLUSHED = WM_APP + $10B;
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MINIBROWSER_PDFPRINT_END = WM_APP + $10C;
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MINIBROWSER_PREFS_AVLBL = WM_APP + $10D;
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MINIBROWSER_HOMEPAGE = 'https://www.google.com';
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MINIBROWSER_CONTEXTMENU_SHOWDEVTOOLS = MENU_ID_USER_FIRST + 1;
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MINIBROWSER_CONTEXTMENU_HIDEDEVTOOLS = MENU_ID_USER_FIRST + 2;
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MINIBROWSER_CONTEXTMENU_COPYHTML = MENU_ID_USER_FIRST + 3;
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MINIBROWSER_CONTEXTMENU_JSWRITEDOC = MENU_ID_USER_FIRST + 4;
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MINIBROWSER_CONTEXTMENU_JSPRINTDOC = MENU_ID_USER_FIRST + 5;
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MINIBROWSER_CONTEXTMENU_SHOWRESPONSE = MENU_ID_USER_FIRST + 6;
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MINIBROWSER_CONTEXTMENU_COPYFRAMEIDS = MENU_ID_USER_FIRST + 7;
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MINIBROWSER_CONTEXTMENU_COPYFRAMENAMES = MENU_ID_USER_FIRST + 8;
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MINIBROWSER_CONTEXTMENU_SAVEPREFERENCES = MENU_ID_USER_FIRST + 9;
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MINIBROWSER_CONTEXTMENU_COPYALLTEXT = MENU_ID_USER_FIRST + 10;
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MINIBROWSER_CONTEXTMENU_TAKESNAPSHOT = MENU_ID_USER_FIRST + 11;
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MINIBROWSER_CONTEXTMENU_GETNAVIGATION = MENU_ID_USER_FIRST + 12;
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MINIBROWSER_CONTEXTMENU_MUTEAUDIO = MENU_ID_USER_FIRST + 13;
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MINIBROWSER_CONTEXTMENU_UNMUTEAUDIO = MENU_ID_USER_FIRST + 14;
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type
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{ TMiniBrowserFrm }
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TMiniBrowserFrm = class(TForm)
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CEFSentinel1: TCEFSentinel;
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MenuItem1: TMenuItem;
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MenuItem2: TMenuItem;
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MenuItem3: TMenuItem;
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NavControlPnl: TPanel;
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NavButtonPnl: TPanel;
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StatusPnl: TPanel;
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URLEditPnl: TPanel;
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BackBtn: TButton;
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ForwardBtn: TButton;
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ReloadBtn: TButton;
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CEFWindowParent1: TCEFWindowParent;
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Chromium1: TChromium;
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StopBtn: TButton;
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DevTools: TCEFWindowParent;
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Splitter1: TSplitter;
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URLCbx: TComboBox;
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ConfigPnl: TPanel;
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ConfigBtn: TButton;
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PopupMenu1: TPopupMenu;
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DevTools1: TMenuItem;
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N1: TMenuItem;
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Preferences1: TMenuItem;
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GoBtn: TButton;
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N2: TMenuItem;
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PrintinPDF1: TMenuItem;
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Print1: TMenuItem;
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N3: TMenuItem;
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Zoom1: TMenuItem;
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Inczoom1: TMenuItem;
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Deczoom1: TMenuItem;
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Resetzoom1: TMenuItem;
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SaveDialog1: TSaveDialog;
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ApplicationEvents1: TApplicationProperties;
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OpenDialog1: TOpenDialog;
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N4: TMenuItem;
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Openfile1: TMenuItem;
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Resolvehost1: TMenuItem;
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Timer1: TTimer;
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OpenfilewithaDAT1: TMenuItem;
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N5: TMenuItem;
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Memoryinfo1: TMenuItem;
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procedure CEFSentinel1Close(Sender: TObject);
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procedure Chromium1BeforePluginLoad(Sender: TObject; const mimeType,
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pluginUrl: ustring; isMainFrame: boolean; const topOriginUrl: ustring;
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const pluginInfo: ICefWebPluginInfo; var pluginPolicy: TCefPluginPolicy;
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var aResult: boolean);
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procedure Chromium1CookiesFlushed(Sender: TObject);
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procedure Chromium1DownloadImageFinished(Sender: TObject;
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const imageUrl: ustring; httpStatusCode: Integer; const image: ICefImage);
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procedure FormShow(Sender: TObject);
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procedure BackBtnClick(Sender: TObject);
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procedure ForwardBtnClick(Sender: TObject);
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procedure MenuItem1Click(Sender: TObject);
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procedure MenuItem2Click(Sender: TObject);
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procedure MenuItem3Click(Sender: TObject);
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procedure ReloadBtnClick(Sender: TObject);
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procedure Chromium1AfterCreated(Sender: TObject;
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const browser: ICefBrowser);
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procedure Chromium1LoadingStateChange(Sender: TObject;
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const browser: ICefBrowser; isLoading, canGoBack,
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canGoForward: Boolean);
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procedure Chromium1TitleChange(Sender: TObject;
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const browser: ICefBrowser; const title: ustring);
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procedure Chromium1AddressChange(Sender: TObject;
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const browser: ICefBrowser; const frame: ICefFrame;
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const url: ustring);
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procedure Chromium1BeforeContextMenu(Sender: TObject;
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const browser: ICefBrowser; const frame: ICefFrame;
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const params: ICefContextMenuParams; const model: ICefMenuModel);
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procedure Chromium1StatusMessage(Sender: TObject;
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const browser: ICefBrowser; const value: ustring);
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procedure Chromium1TextResultAvailable(Sender: TObject;
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const aText: ustring);
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procedure PopupMenu1Popup(Sender: TObject);
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procedure DevTools1Click(Sender: TObject);
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procedure Preferences1Click(Sender: TObject);
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procedure ConfigBtnClick(Sender: TObject);
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procedure GoBtnClick(Sender: TObject);
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procedure PrintinPDF1Click(Sender: TObject);
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procedure Print1Click(Sender: TObject);
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procedure Inczoom1Click(Sender: TObject);
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procedure Deczoom1Click(Sender: TObject);
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procedure Resetzoom1Click(Sender: TObject);
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procedure Chromium1FullScreenModeChange(Sender: TObject;
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const browser: ICefBrowser; fullscreen: Boolean);
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procedure Chromium1PreKeyEvent(Sender: TObject;
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const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: PMsg;
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out isKeyboardShortcut, Result: Boolean);
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procedure Chromium1KeyEvent(Sender: TObject;
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const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: PMsg;
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out Result: Boolean);
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procedure ApplicationEvents1Message(var Msg: tagMSG;
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var Handled: Boolean);
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procedure Openfile1Click(Sender: TObject);
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procedure Chromium1ContextMenuCommand(Sender: TObject;
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const browser: ICefBrowser; const frame: ICefFrame;
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const params: ICefContextMenuParams; commandId: Integer;
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eventFlags: Cardinal; out Result: Boolean);
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procedure Chromium1PdfPrintFinished(Sender: TObject;
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aResultOK: Boolean);
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procedure Chromium1ResourceResponse(Sender: TObject;
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const browser: ICefBrowser; const frame: ICefFrame;
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const request: ICefRequest; const response: ICefResponse;
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out Result: Boolean);
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procedure StopBtnClick(Sender: TObject);
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procedure Resolvehost1Click(Sender: TObject);
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procedure Chromium1ResolvedHostAvailable(Sender: TObject;
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result: Integer; const resolvedIps: TStrings);
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procedure Timer1Timer(Sender: TObject);
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procedure Chromium1PrefsAvailable(Sender: TObject; aResultOK: Boolean);
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procedure Chromium1BeforeDownload(Sender: TObject;
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const browser: ICefBrowser; const downloadItem: ICefDownloadItem;
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const suggestedName: ustring;
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const callback: ICefBeforeDownloadCallback);
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procedure Chromium1DownloadUpdated(Sender: TObject;
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const browser: ICefBrowser; const downloadItem: ICefDownloadItem;
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const callback: ICefDownloadItemCallback);
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procedure FormCreate(Sender: TObject);
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procedure FormDestroy(Sender: TObject);
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procedure Chromium1BeforeResourceLoad(Sender: TObject;
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const browser: ICefBrowser; const frame: ICefFrame;
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const request: ICefRequest; const callback: ICefRequestCallback;
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out Result: TCefReturnValue);
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procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
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procedure Chromium1Close(Sender: TObject; const browser: ICefBrowser;
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var aAction : TCefCloseBrowserAction);
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procedure Chromium1BeforeClose(Sender: TObject;
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const browser: ICefBrowser);
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procedure Chromium1RenderCompMsg(var aMessage : TMessage; var aHandled: Boolean);
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procedure Chromium1LoadingProgressChange(Sender: TObject;
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const browser: ICefBrowser; const progress: Double);
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procedure OpenfilewithaDAT1Click(Sender: TObject);
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procedure Chromium1LoadEnd(Sender: TObject; const browser: ICefBrowser;
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const frame: ICefFrame; httpStatusCode: Integer);
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procedure Memoryinfo1Click(Sender: TObject);
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procedure Chromium1LoadError(Sender: TObject;
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const browser: ICefBrowser; const frame: ICefFrame;
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errorCode: Integer; const errorText, failedUrl: ustring);
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procedure Chromium1CertificateError(Sender: TObject;
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const browser: ICefBrowser; certError: Integer;
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const requestUrl: ustring; const sslInfo: ICefSslInfo;
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const callback: ICefRequestCallback; out Result: Boolean);
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procedure Chromium1NavigationVisitorResultAvailable(
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const entry: ICefNavigationEntry; current: Boolean; index, total: Integer;
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var aResult: Boolean);
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protected
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FResponse : TStringList;
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FRequest : TStringList;
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FNavigation : TStringList;
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// Variables to control when can we destroy the form safely
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FCanClose : boolean; // Set to True in TChromium.OnBeforeClose
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FClosing : boolean; // Set to True in the CloseQuery event.
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procedure AddURL(const aURL : string);
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procedure ShowDevTools(aPoint : TPoint); overload;
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procedure ShowDevTools; overload;
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procedure HideDevTools;
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procedure HandleKeyUp(const aMsg : TMsg; var aHandled : boolean);
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procedure HandleKeyDown(const aMsg : TMsg; var aHandled : boolean);
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procedure InspectRequest(const aRequest : ICefRequest);
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procedure InspectResponse(const aResponse : ICefResponse);
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procedure BrowserCreatedMsg(var aMessage : TMessage); message CEF_AFTERCREATED;
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procedure BrowserDestroyMsg(var aMessage : TMessage); message CEF_DESTROY;
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procedure ShowDevToolsMsg(var aMessage : TMessage); message MINIBROWSER_SHOWDEVTOOLS;
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procedure HideDevToolsMsg(var aMessage : TMessage); message MINIBROWSER_HIDEDEVTOOLS;
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procedure CopyAllTextMsg(var aMessage : TMessage); message MINIBROWSER_COPYALLTEXT;
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procedure CopyHTMLMsg(var aMessage : TMessage); message MINIBROWSER_COPYHTML;
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procedure CopyFramesIDsMsg(var aMessage : TMessage); message MINIBROWSER_COPYFRAMEIDS;
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procedure CopyFramesNamesMsg(var aMessage : TMessage); message MINIBROWSER_COPYFRAMENAMES;
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procedure ShowResponseMsg(var aMessage : TMessage); message MINIBROWSER_SHOWRESPONSE;
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procedure ShowNavigationMsg(var aMessage : TMessage); message MINIBROWSER_SHOWNAVIGATION;
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procedure SavePreferencesMsg(var aMessage : TMessage); message MINIBROWSER_SAVEPREFERENCES;
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procedure TakeSnapshotMsg(var aMessage : TMessage); message MINIBROWSER_TAKESNAPSHOT;
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procedure CookiesFlushedMsg(var aMessage : TMessage); message MINIBROWSER_COOKIESFLUSHED;
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procedure PrintPDFEndMsg(var aMessage : TMessage); message MINIBROWSER_PDFPRINT_END;
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procedure PreferencesAvailableMsg(var aMessage : TMessage); message MINIBROWSER_PREFS_AVLBL;
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procedure WMMove(var aMessage : TWMMove); message WM_MOVE;
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procedure WMMoving(var aMessage : TMessage); message WM_MOVING;
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procedure WMEnterMenuLoop(var aMessage: TMessage); message WM_ENTERMENULOOP;
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procedure WMExitMenuLoop(var aMessage: TMessage); message WM_EXITMENULOOP;
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public
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procedure ShowStatusText(const aText : string);
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end;
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var
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MiniBrowserFrm : TMiniBrowserFrm;
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procedure CreateGlobalCEFApp;
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implementation
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{$R *.lfm}
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uses
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uPreferences, uCefStringMultimap, uCEFMiscFunctions, uSimpleTextViewer;
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// Destruction steps
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// =================
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// 1. FormCloseQuery sets CanClose to FALSE calls TChromium.CloseBrowser which triggers the TChromium.OnClose event.
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// 2. TChromium.OnClose sends a CEFBROWSER_DESTROY message to destroy CEFWindowParent1 in the main thread, which triggers the TChromium.OnBeforeClose event.
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// 3. TChromium.OnBeforeClose calls TCEFSentinel.Start, which will trigger TCEFSentinel.OnClose when the renderer processes are closed.
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// 4. TCEFSentinel.OnClose sets FCanClose := True and sends WM_CLOSE to the form.
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procedure CreateGlobalCEFApp;
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begin
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GlobalCEFApp := TCefApplication.Create;
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GlobalCEFApp.LogFile := 'debug.log';
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GlobalCEFApp.LogSeverity := LOGSEVERITY_INFO;
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GlobalCEFApp.cache := 'cache';
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GlobalCEFApp.EnablePrintPreview := True;
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end;
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procedure TMiniBrowserFrm.BackBtnClick(Sender: TObject);
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begin
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Chromium1.GoBack;
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end;
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procedure TMiniBrowserFrm.ForwardBtnClick(Sender: TObject);
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begin
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Chromium1.GoForward;
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end;
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procedure TMiniBrowserFrm.MenuItem1Click(Sender: TObject);
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var
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TempURL : string;
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begin
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TempURL := InputBox('Download Image', 'URL:', 'https://www.briskbard.com/images/logo.png');
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if (length(TempURL) > 0) then
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Chromium1.DownloadImage(TempURL, False, 0, False);
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end;
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procedure TMiniBrowserFrm.MenuItem2Click(Sender: TObject);
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const
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SIMULATED_KEY_PRESSES = 'QWERTY';
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var
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i : integer;
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TempKeyEvent : TCefKeyEvent;
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begin
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// This procedure is extremely simplified.
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// Use the SimpleOSRBrowser demo to log the real TCefKeyEvent values
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// if you use anything different than uppercase letters.
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for i := 1 to length(SIMULATED_KEY_PRESSES) do
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begin
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// WM_KEYDOWN
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TempKeyEvent.kind := KEYEVENT_RAWKEYDOWN;
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TempKeyEvent.modifiers := 0;
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TempKeyEvent.windows_key_code := ord(SIMULATED_KEY_PRESSES[i]);
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TempKeyEvent.native_key_code := 0;
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TempKeyEvent.is_system_key := ord(False);
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TempKeyEvent.character := #0;
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TempKeyEvent.unmodified_character := #0;
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TempKeyEvent.focus_on_editable_field := ord(False);
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Chromium1.SendKeyEvent(@TempKeyEvent);
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// WM_CHAR
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TempKeyEvent.kind := KEYEVENT_CHAR;
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Chromium1.SendKeyEvent(@TempKeyEvent);
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// WM_KEYUP
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TempKeyEvent.kind := KEYEVENT_KEYUP;
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Chromium1.SendKeyEvent(@TempKeyEvent);
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end;
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end;
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procedure TMiniBrowserFrm.MenuItem3Click(Sender: TObject);
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begin
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if not(Chromium1.FlushCookieStore(False)) then
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showmessage('There was a problem flushing the cookies.');
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end;
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procedure TMiniBrowserFrm.GoBtnClick(Sender: TObject);
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begin
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Chromium1.LoadURL(URLCbx.Text);
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end;
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procedure TMiniBrowserFrm.ReloadBtnClick(Sender: TObject);
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begin
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Chromium1.Reload;
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end;
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procedure TMiniBrowserFrm.Resetzoom1Click(Sender: TObject);
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begin
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Chromium1.ResetZoomStep;
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end;
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procedure TMiniBrowserFrm.Resolvehost1Click(Sender: TObject);
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var
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TempURL : string;
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begin
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TempURL := inputbox('Resolve host', 'URL :', 'http://google.com');
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if (length(TempURL) > 0) then Chromium1.ResolveHost(TempURL);
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end;
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procedure TMiniBrowserFrm.Chromium1AddressChange(Sender: TObject;
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const browser: ICefBrowser; const frame: ICefFrame; const url: ustring);
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begin
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if Chromium1.IsSameBrowser(browser) then AddURL(url);
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end;
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procedure TMiniBrowserFrm.Chromium1AfterCreated(Sender: TObject; const browser: ICefBrowser);
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begin
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if Chromium1.IsSameBrowser(browser) then
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PostMessage(Handle, CEF_AFTERCREATED, 0, 0)
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else
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SendMessage(browser.Host.WindowHandle, WM_SETICON, 1, application.Icon.Handle); // Use the same icon in the popup window
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end;
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procedure TMiniBrowserFrm.Chromium1BeforeClose(Sender: TObject; const browser: ICefBrowser);
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begin
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// The main browser is being destroyed
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if (Chromium1.BrowserId = 0) then CEFSentinel1.Start;
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end;
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procedure TMiniBrowserFrm.Chromium1BeforeContextMenu(Sender: TObject;
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const browser: ICefBrowser; const frame: ICefFrame;
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const params: ICefContextMenuParams; const model: ICefMenuModel);
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begin
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if not(Chromium1.IsSameBrowser(browser)) then exit;
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model.AddSeparator;
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model.AddItem(MINIBROWSER_CONTEXTMENU_TAKESNAPSHOT, 'Take snapshot...');
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model.AddItem(MINIBROWSER_CONTEXTMENU_GETNAVIGATION, 'Get navigation entries');
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model.AddSeparator;
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model.AddItem(MINIBROWSER_CONTEXTMENU_COPYALLTEXT, 'Copy displayed text to clipboard');
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model.AddItem(MINIBROWSER_CONTEXTMENU_COPYHTML, 'Copy HTML to clipboard');
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model.AddItem(MINIBROWSER_CONTEXTMENU_COPYFRAMEIDS, 'Copy HTML frame identifiers to clipboard');
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model.AddItem(MINIBROWSER_CONTEXTMENU_COPYFRAMENAMES, 'Copy HTML frame names to clipboard');
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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 server headers');
|
|
|
|
if DevTools.Visible then
|
|
model.AddItem(MINIBROWSER_CONTEXTMENU_HIDEDEVTOOLS, 'Hide DevTools')
|
|
else
|
|
model.AddItem(MINIBROWSER_CONTEXTMENU_SHOWDEVTOOLS, 'Show DevTools');
|
|
|
|
if Chromium1.AudioMuted then
|
|
model.AddItem(MINIBROWSER_CONTEXTMENU_UNMUTEAUDIO, 'Unmute audio')
|
|
else
|
|
model.AddItem(MINIBROWSER_CONTEXTMENU_MUTEAUDIO, 'Mute audio');
|
|
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 not(Chromium1.IsSameBrowser(browser)) or
|
|
(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.Chromium1BeforeResourceLoad(Sender: TObject;
|
|
const browser: ICefBrowser; const frame: ICefFrame;
|
|
const request: ICefRequest; const callback: ICefRequestCallback;
|
|
out Result: TCefReturnValue);
|
|
begin
|
|
Result := RV_CONTINUE;
|
|
|
|
if Chromium1.IsSameBrowser(browser) and
|
|
(frame <> nil) and
|
|
frame.IsValid and
|
|
frame.IsMain then
|
|
InspectRequest(request);
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.Chromium1CertificateError(Sender: TObject;
|
|
const browser: ICefBrowser; certError: Integer;
|
|
const requestUrl: ustring; const sslInfo: ICefSslInfo;
|
|
const callback: ICefRequestCallback; out Result: Boolean);
|
|
begin
|
|
CefDebugLog('Certificate error code:' + inttostr(certError) +
|
|
' - URL:' + requestUrl, CEF_LOG_SEVERITY_ERROR);
|
|
Result := False;
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.Chromium1Close(Sender: TObject; const browser: ICefBrowser; var aAction : TCefCloseBrowserAction);
|
|
begin
|
|
if (browser <> nil) and (Chromium1.BrowserId = browser.Identifier) then
|
|
begin
|
|
PostMessage(Handle, CEF_DESTROY, 0, 0);
|
|
aAction := cbaDelay;
|
|
end;
|
|
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;
|
|
|
|
if not(Chromium1.IsSameBrowser(browser)) then exit;
|
|
|
|
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_GETNAVIGATION :
|
|
begin
|
|
FNavigation.Clear;
|
|
Chromium1.GetNavigationEntries(False);
|
|
end;
|
|
|
|
MINIBROWSER_CONTEXTMENU_JSWRITEDOC :
|
|
if (frame <> nil) and frame.IsValid then
|
|
frame.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 (frame <> nil) and frame.IsValid then
|
|
frame.ExecuteJavaScript('window.print();', 'about:blank', 0);
|
|
|
|
MINIBROWSER_CONTEXTMENU_UNMUTEAUDIO :
|
|
Chromium1.AudioMuted := False;
|
|
|
|
MINIBROWSER_CONTEXTMENU_MUTEAUDIO :
|
|
Chromium1.AudioMuted := True;
|
|
end;
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.Chromium1DownloadUpdated(Sender: TObject;
|
|
const browser: ICefBrowser; const downloadItem: ICefDownloadItem;
|
|
const callback: ICefDownloadItemCallback);
|
|
var
|
|
TempString : string;
|
|
begin
|
|
if not(Chromium1.IsSameBrowser(browser)) then exit;
|
|
|
|
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 not(Chromium1.IsSameBrowser(browser)) then exit;
|
|
|
|
// This event is executed in a CEF thread and this can cause problems when
|
|
// you change the 'Enabled' and 'Visible' properties from VCL components.
|
|
// It's recommended to change the 'Enabled' and 'Visible' properties
|
|
// in the main application thread and not in a CEF thread.
|
|
// It's much safer to use PostMessage to send a message to the main form with
|
|
// all this information and update those properties in the procedure handling
|
|
// that message.
|
|
|
|
if fullscreen then
|
|
begin
|
|
NavControlPnl.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;
|
|
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.Chromium1LoadEnd(Sender: TObject;
|
|
const browser: ICefBrowser; const frame: ICefFrame;
|
|
httpStatusCode: Integer);
|
|
begin
|
|
if (frame = nil) or not(frame.IsValid) then exit;
|
|
|
|
if frame.IsMain then
|
|
StatusPnl.Caption := 'main frame loaded : ' + quotedstr(frame.name)
|
|
else
|
|
StatusPnl.Caption := 'frame loaded : ' + quotedstr(frame.name);
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.Chromium1LoadError(Sender: TObject;
|
|
const browser: ICefBrowser; const frame: ICefFrame; errorCode: Integer;
|
|
const errorText, failedUrl: ustring);
|
|
var
|
|
TempString : string;
|
|
begin
|
|
if (errorCode = ERR_ABORTED) then exit;
|
|
|
|
TempString := '<html><body bgcolor="white">' +
|
|
'<h2>Failed to load URL ' + failedUrl +
|
|
' with error ' + errorText +
|
|
' (' + inttostr(errorCode) + ').</h2></body></html>';
|
|
|
|
Chromium1.LoadString(TempString, frame);
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.Chromium1LoadingProgressChange(Sender: TObject;
|
|
const browser: ICefBrowser; const progress: Double);
|
|
begin
|
|
StatusPnl.Caption := 'Loading... ' + FloatToStrF(progress * 100, ffFixed, 3, 0) + '%';
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.Chromium1LoadingStateChange(Sender: TObject;
|
|
const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean);
|
|
begin
|
|
if not(Chromium1.IsSameBrowser(browser)) or FClosing then exit;
|
|
|
|
// This event is executed in a CEF thread and this can cause problems when
|
|
// you change the 'Enabled' and 'Visible' properties from VCL components.
|
|
// It's recommended to change the 'Enabled' and 'Visible' properties
|
|
// in the main application thread and not in a CEF thread.
|
|
// It's much safer to use PostMessage to send a message to the main form with
|
|
// all this information and update those properties in the procedure handling
|
|
// that message.
|
|
|
|
BackBtn.Enabled := canGoBack;
|
|
ForwardBtn.Enabled := canGoForward;
|
|
|
|
if isLoading then
|
|
begin
|
|
StatusPnl.Caption := 'Loading...';
|
|
ReloadBtn.Enabled := False;
|
|
StopBtn.Enabled := True;
|
|
end
|
|
else
|
|
begin
|
|
StatusPnl.Caption := 'Finished';
|
|
ReloadBtn.Enabled := True;
|
|
StopBtn.Enabled := False;
|
|
end;
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.Chromium1NavigationVisitorResultAvailable(
|
|
const entry: ICefNavigationEntry; current: Boolean; index, total: Integer;
|
|
var aResult: Boolean);
|
|
begin
|
|
if (entry <> nil) and entry.IsValid then FNavigation.Add(entry.Url);
|
|
|
|
if (index < pred(total)) then
|
|
aResult := True
|
|
else
|
|
begin
|
|
aResult := False;
|
|
PostMessage(Handle, MINIBROWSER_SHOWNAVIGATION, 0, 0);
|
|
end;
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.Chromium1PdfPrintFinished(Sender: TObject; aResultOK: Boolean);
|
|
begin
|
|
PostMessage(Handle, MINIBROWSER_PDFPRINT_END, 0, ord(aResultOK));
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.Chromium1PrefsAvailable(Sender: TObject; aResultOK: Boolean);
|
|
begin
|
|
PostMessage(Handle, MINIBROWSER_PREFS_AVLBL, 0, ord(aResultOK));
|
|
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.Chromium1RenderCompMsg(var aMessage : TMessage; var aHandled: Boolean);
|
|
begin
|
|
if not(FClosing) and (aMessage.Msg = WM_MOUSEMOVE) then
|
|
begin
|
|
StatusPnl.Caption := 'x : ' + inttostr(aMessage.lParam and $FFFF) + ' - ' +
|
|
'y : ' + inttostr((aMessage.lParam and $FFFF0000) shr 16);
|
|
end;
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.Chromium1ResolvedHostAvailable(Sender: TObject;
|
|
result: Integer; const resolvedIps: TStrings);
|
|
begin
|
|
if (result = ERR_NONE) then
|
|
StatusPnl.Caption := 'Resolved IPs : ' + resolvedIps.CommaText
|
|
else
|
|
StatusPnl.Caption := 'There was a problem resolving the host.' + CRLF +
|
|
'Error code : ' + inttostr(result);
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.InspectRequest(const aRequest : ICefRequest);
|
|
var
|
|
TempHeaderMap : ICefStringMultimap;
|
|
i, j : integer;
|
|
begin
|
|
if (aRequest <> nil) then
|
|
begin
|
|
FRequest.Clear;
|
|
|
|
TempHeaderMap := TCefStringMultimapOwn.Create;
|
|
aRequest.GetHeaderMap(TempHeaderMap);
|
|
|
|
i := 0;
|
|
j := TempHeaderMap.Size;
|
|
|
|
while (i < j) do
|
|
begin
|
|
FRequest.Add(TempHeaderMap.Key[i] + '=' + TempHeaderMap.Value[i]);
|
|
inc(i);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.InspectResponse(const aResponse : ICefResponse);
|
|
var
|
|
TempHeaderMap : ICefStringMultimap;
|
|
i, j : integer;
|
|
begin
|
|
if (aResponse <> nil) then
|
|
begin
|
|
FResponse.Clear;
|
|
|
|
TempHeaderMap := TCefStringMultimapOwn.Create;
|
|
aResponse.GetHeaderMap(TempHeaderMap);
|
|
|
|
i := 0;
|
|
j := TempHeaderMap.Size;
|
|
|
|
while (i < j) do
|
|
begin
|
|
FResponse.Add(TempHeaderMap.Key[i] + '=' + TempHeaderMap.Value[i]);
|
|
inc(i);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.Memoryinfo1Click(Sender: TObject);
|
|
const
|
|
BYTES_PER_MEGABYTE = 1024 * 1024;
|
|
var
|
|
TempMessage : string;
|
|
begin
|
|
TempMessage := 'Total memory used by this application : ' + inttostr(GlobalCEFApp.UsedMemory div BYTES_PER_MEGABYTE) + ' Mb' + CRLF +
|
|
'Total system memory : ' + inttostr(GlobalCEFApp.TotalSystemMemory div BYTES_PER_MEGABYTE) + ' Mb' + CRLF +
|
|
'Available physical memory : ' + inttostr(GlobalCEFApp.AvailableSystemMemory div BYTES_PER_MEGABYTE) + ' Mb' + CRLF +
|
|
'Memory load : ' + inttostr(GlobalCEFApp.SystemMemoryLoad) + ' %';
|
|
|
|
MessageDlg(TempMessage, mtInformation, [mbOK], 0);
|
|
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 Chromium1.IsSameBrowser(browser) and
|
|
(frame <> nil) and
|
|
frame.IsValid and
|
|
frame.IsMain then
|
|
InspectResponse(response);
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.ShowStatusText(const aText : string);
|
|
begin
|
|
if not(FClosing) then StatusPnl.Caption := aText;
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.StopBtnClick(Sender: TObject);
|
|
begin
|
|
Chromium1.StopLoad;
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.Chromium1StatusMessage(Sender: TObject;
|
|
const browser: ICefBrowser; const value: ustring);
|
|
begin
|
|
if Chromium1.IsSameBrowser(browser) then ShowStatusText(value);
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.Chromium1TextResultAvailable(Sender: TObject; const aText: ustring);
|
|
begin
|
|
clipboard.AsText := aText;
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.Chromium1TitleChange(Sender: TObject;
|
|
const browser: ICefBrowser; const title: ustring);
|
|
begin
|
|
if not(Chromium1.IsSameBrowser(browser)) then exit;
|
|
|
|
if (title <> '') then
|
|
caption := 'MiniBrowser - ' + title
|
|
else
|
|
caption := 'MiniBrowser';
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
|
|
begin
|
|
CanClose := FCanClose;
|
|
|
|
if not(FClosing) then
|
|
begin
|
|
FClosing := True;
|
|
Visible := False;
|
|
Chromium1.CloseBrowser(True);
|
|
end;
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.FormCreate(Sender: TObject);
|
|
begin
|
|
FCanClose := False;
|
|
FClosing := False;
|
|
FResponse := TStringList.Create;
|
|
FRequest := TStringList.Create;
|
|
FNavigation := TStringList.Create;
|
|
Chromium1.DefaultURL := MINIBROWSER_HOMEPAGE;
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.FormDestroy(Sender: TObject);
|
|
begin
|
|
FResponse.Free;
|
|
FRequest.Free;
|
|
FNavigation.Free;
|
|
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.Chromium1CookiesFlushed(Sender: TObject);
|
|
begin
|
|
PostMessage(Handle, MINIBROWSER_COOKIESFLUSHED, 0, 0);
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.CEFSentinel1Close(Sender: TObject);
|
|
begin
|
|
FCanClose := True;
|
|
PostMessage(Handle, WM_CLOSE, 0, 0);
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.Chromium1BeforePluginLoad(Sender: TObject;
|
|
const mimeType, pluginUrl: ustring; isMainFrame: boolean;
|
|
const topOriginUrl: ustring; const pluginInfo: ICefWebPluginInfo;
|
|
var pluginPolicy: TCefPluginPolicy; var aResult: boolean);
|
|
begin
|
|
// Always allow the PDF plugin to load.
|
|
if (pluginPolicy <> PLUGIN_POLICY_ALLOW) and
|
|
(CompareText(mimeType, 'application/pdf') = 0) then
|
|
begin
|
|
pluginPolicy := PLUGIN_POLICY_ALLOW;
|
|
aResult := True;
|
|
end
|
|
else
|
|
aResult := False;
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.CookiesFlushedMsg(var aMessage : TMessage);
|
|
begin
|
|
showmessage('The cookies were flushed successfully');
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.PrintPDFEndMsg(var aMessage : TMessage);
|
|
begin
|
|
if (aMessage.lParam <> 0) then
|
|
showmessage('The PDF file was generated successfully')
|
|
else
|
|
showmessage('There was a problem generating the PDF file.');
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.PreferencesAvailableMsg(var aMessage : TMessage);
|
|
begin
|
|
if (aMessage.lParam <> 0) then
|
|
showmessage('The preferences file was generated successfully')
|
|
else
|
|
showmessage('There was a problem generating the preferences file.');
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.Chromium1DownloadImageFinished(Sender: TObject;
|
|
const imageUrl: ustring; httpStatusCode: Integer; const image: ICefImage);
|
|
var
|
|
TempBinValue : ICefBinaryValue;
|
|
TempWidth : integer;
|
|
TempHeight : integer;
|
|
TempBuffer : TBytes;
|
|
TempPointer : pointer;
|
|
TempSize : NativeUInt;
|
|
TempStream : TFileStream;
|
|
TempParts : TUrlParts;
|
|
i : integer;
|
|
begin
|
|
TempStream := nil;
|
|
|
|
try
|
|
try
|
|
if (httpStatusCode = 200) and (image <> nil) and not(image.IsEmpty) then
|
|
begin
|
|
TempBinValue := image.GetAsPng(1, True, TempWidth, TempHeight);
|
|
|
|
if (TempBinValue <> nil) and
|
|
TempBinValue.IsValid then
|
|
begin
|
|
TempSize := TempBinValue.Size;
|
|
|
|
SaveDialog1.DefaultExt := 'png';
|
|
SaveDialog1.Filter := 'PNG files (*.png)|*.PNG';
|
|
|
|
CefParseUrl(imageUrl, TempParts);
|
|
i := LastDelimiter('/', TempParts.path);
|
|
|
|
// TODO : The file name should be sanitized.
|
|
if (i > 0) then
|
|
SaveDialog1.FileName := copy(TempParts.path, succ(i), length(TempParts.path))
|
|
else
|
|
SaveDialog1.FileName := TempParts.path;
|
|
|
|
if (TempSize > 0) and
|
|
SaveDialog1.Execute and
|
|
(length(SaveDialog1.FileName) > 0) then
|
|
begin
|
|
SetLength(TempBuffer, TempSize);
|
|
TempPointer := @TempBuffer[0];
|
|
TempSize := TempBinValue.GetData(TempPointer, TempSize, 0);
|
|
|
|
if (TempSize > 0) then
|
|
begin
|
|
TempStream := TFileStream.Create(SaveDialog1.FileName, fmCreate);
|
|
TempStream.Write(TempBuffer, TempSize);
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
except
|
|
on e : exception do
|
|
if CustomExceptionHandler('Chromium1DownloadImageFinishedEvent', e) then raise;
|
|
end;
|
|
finally
|
|
if (TempStream <> nil) then FreeAndNil(TempStream);
|
|
SetLength(TempBuffer, 0);
|
|
end;
|
|
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;
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.BrowserDestroyMsg(var aMessage : TMessage);
|
|
begin
|
|
CEFWindowParent1.Free;
|
|
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;
|
|
Chromium1.SetFocus(True);
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.Inczoom1Click(Sender: TObject);
|
|
begin
|
|
Chromium1.IncZoomStep;
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.Openfile1Click(Sender: TObject);
|
|
begin
|
|
OpenDialog1.Filter := 'Any file (*.*)|*.*';
|
|
|
|
if OpenDialog1.Execute then
|
|
begin
|
|
// This is a quick solution to load files. The file URL should be properly encoded.
|
|
Chromium1.LoadURL('file:///' + OpenDialog1.FileName);
|
|
end;
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.OpenfilewithaDAT1Click(Sender: TObject);
|
|
var
|
|
TempFile : TMemoryStream;
|
|
begin
|
|
TempFile := nil;
|
|
|
|
try
|
|
try
|
|
OpenDialog1.Filter := 'HTML files (*.html)|*.HTML;*.HTM|PDF files (*.pdf)|*.PDF';
|
|
|
|
if OpenDialog1.Execute then
|
|
begin
|
|
TempFile := TMemoryStream.Create;
|
|
TempFile.LoadFromFile(OpenDialog1.FileName);
|
|
|
|
if (OpenDialog1.FilterIndex = 1) then
|
|
Chromium1.LoadResource(TempFile, 'text/html', 'utf-8')
|
|
else
|
|
Chromium1.LoadResource(TempFile, 'application/pdf', 'utf-8');
|
|
end;
|
|
except
|
|
on e : exception do
|
|
if CustomExceptionHandler('TMiniBrowserFrm.OpenfilewithaDAT1Click', e) then raise;
|
|
end;
|
|
finally
|
|
if (TempFile <> nil) then FreeAndNil(TempFile);
|
|
end;
|
|
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;
|
|
PreferencesFrm.MaxConnectionsPerProxyEdt.Value := Chromium1.MaxConnectionsPerProxy;
|
|
|
|
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;
|
|
Chromium1.MaxConnectionsPerProxy := PreferencesFrm.MaxConnectionsPerProxyEdt.Value;
|
|
|
|
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);
|
|
var
|
|
TempName : string;
|
|
begin
|
|
TempName := InputBox('Frame name', 'Type the fame name or leave it blank to select the main frame :', '');
|
|
Chromium1.RetrieveText(TempName);
|
|
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
|
|
SimpleTextViewerFrm.Memo1.Lines.Clear;
|
|
|
|
SimpleTextViewerFrm.Memo1.Lines.Add('--------------------------');
|
|
SimpleTextViewerFrm.Memo1.Lines.Add('Request headers : ');
|
|
SimpleTextViewerFrm.Memo1.Lines.Add('--------------------------');
|
|
if (FRequest <> nil) then SimpleTextViewerFrm.Memo1.Lines.AddStrings(FRequest);
|
|
|
|
SimpleTextViewerFrm.Memo1.Lines.Add('');
|
|
|
|
SimpleTextViewerFrm.Memo1.Lines.Add('--------------------------');
|
|
SimpleTextViewerFrm.Memo1.Lines.Add('Response headers : ');
|
|
SimpleTextViewerFrm.Memo1.Lines.Add('--------------------------');
|
|
if (FResponse <> nil) then SimpleTextViewerFrm.Memo1.Lines.AddStrings(FResponse);
|
|
|
|
SimpleTextViewerFrm.ShowModal;
|
|
end;
|
|
|
|
procedure TMiniBrowserFrm.ShowNavigationMsg(var aMessage : TMessage);
|
|
begin
|
|
SimpleTextViewerFrm.Memo1.Lines.Clear;
|
|
SimpleTextViewerFrm.Memo1.Lines.AddStrings(FNavigation);
|
|
SimpleTextViewerFrm.ShowModal;
|
|
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.
|