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6c5d5d6036
CEF4Delphi/source/uCEFChromium.pas
Salvador Díaz Fau 6c5d5d6036 Update to CEF 3.3239.1723.g071d1c1 
- New MDIExternalPumpBrowser demo.
- New JSWindowBindingSubProcess demo.
- Added more comments and checks in some initialization functions of TCEFApplication.
2018-01-06 15:25:32 +01:00

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// ************************************************************************
// ***************************** 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 © 2018 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 <hgourvest@gmail.com>
* 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 uCEFChromium;
{$IFNDEF CPUX64}
{$ALIGN ON}
{$MINENUMSIZE 4}
{$ENDIF}
{$I cef.inc}
interface
uses
{$IFDEF DELPHI16_UP}
WinApi.Windows, WinApi.Messages, System.Classes, Vcl.Controls, Vcl.Graphics, Vcl.Forms, WinApi.ActiveX,
{$ELSE}
Windows, Messages, Classes, Controls, Graphics, Forms, ActiveX,
{$ENDIF}
uCEFTypes, uCEFInterfaces, uCEFLibFunctions, uCEFMiscFunctions, uCEFClient,
uCEFPDFPrintCallback, uCEFStringVisitor, uCEFConstants, uCEFTask,
uCEFDeleteCookiesCallback, uCEFDomVisitor, uCEFChromiumEvents,
uCEFChromiumOptions, uCEFChromiumFontOptions, uCEFPDFPrintOptions,
uCEFDragAndDropMgr;
type
TChromium = class(TComponent, IChromiumEvents)
protected
FCompHandle : HWND;
FVisitor : ICefStringVisitor;
FPDFPrintcb : ICefPdfPrintCallback;
FResolveHostcb : ICefResolveCallback;
FCookiDeletercb : ICefDeleteCookiesCallback;
FHandler : ICefClient;
FBrowser : ICefBrowser;
FBrowserId : Integer;
FDefaultUrl : ustring;
FOptions : TChromiumOptions;
FFontOptions : TChromiumFontOptions;
FPDFPrintOptions : TPDFPrintOptions;
FDefaultEncoding : ustring;
FProxyType : integer;
FProxyScheme : TCefProxyScheme;
FProxyServer : string;
FProxyPort : integer;
FProxyUsername : string;
FProxyPassword : string;
FProxyScriptURL : string;
FProxyByPassList : string;
FUpdatePreferences : boolean;
FCustomHeaderName : string;
FCustomHeaderValue : string;
FAddCustomHeader : boolean;
FDoNotTrack : boolean;
FSendReferrer : boolean;
FHyperlinkAuditing : boolean;
FCookiePrefs : integer;
FImagesPrefs : integer;
FZoomStep : byte;
FWindowName : string;
FPrefsFileName : string;
FIsOSR : boolean;
FInitialized : boolean;
FClosing : boolean;
FWindowInfo : TCefWindowInfo;
FBrowserSettings : TCefBrowserSettings;
FDevWindowInfo : TCefWindowInfo;
FDevBrowserSettings : TCefBrowserSettings;
FDragOperations : TCefDragOperations;
FDragDropManager : TCEFDragAndDropMgr;
FDropTargetCtrl : TWinControl;
FDragAndDropInitialized : boolean;
FWebRTCIPHandlingPolicy : TCefWebRTCHandlingPolicy;
FWebRTCMultipleRoutes : TCefState;
FWebRTCNonProxiedUDP : TCefState;
// ICefClient
FOnProcessMessageReceived : TOnProcessMessageReceived;
// ICefLoadHandler
FOnLoadStart : TOnLoadStart;
FOnLoadEnd : TOnLoadEnd;
FOnLoadError : TOnLoadError;
FOnLoadingStateChange : TOnLoadingStateChange;
// ICefFocusHandler
FOnTakeFocus : TOnTakeFocus;
FOnSetFocus : TOnSetFocus;
FOnGotFocus : TOnGotFocus;
// ICefContextMenuHandler
FOnBeforeContextMenu : TOnBeforeContextMenu;
FOnRunContextMenu : TOnRunContextMenu;
FOnContextMenuCommand : TOnContextMenuCommand;
FOnContextMenuDismissed : TOnContextMenuDismissed;
// ICefKeyboardHandler
FOnPreKeyEvent : TOnPreKeyEvent;
FOnKeyEvent : TOnKeyEvent;
// ICefDisplayHandler
FOnAddressChange : TOnAddressChange;
FOnTitleChange : TOnTitleChange;
FOnFavIconUrlChange : TOnFavIconUrlChange;
FOnFullScreenModeChange : TOnFullScreenModeChange;
FOnTooltip : TOnTooltip;
FOnStatusMessage : TOnStatusMessage;
FOnConsoleMessage : TOnConsoleMessage;
FOnAutoResize : TOnAutoResize;
// ICefDownloadHandler
FOnBeforeDownload : TOnBeforeDownload;
FOnDownloadUpdated : TOnDownloadUpdated;
// ICefGeolocationHandler
FOnRequestGeolocationPermission : TOnRequestGeolocationPermission;
FOnCancelGeolocationPermission : TOnCancelGeolocationPermission;
// ICefJsDialogHandler
FOnJsdialog : TOnJsdialog;
FOnBeforeUnloadDialog : TOnBeforeUnloadDialog;
FOnResetDialogState : TOnResetDialogState;
FOnDialogClosed : TOnDialogClosed;
// ICefLifeSpanHandler
FOnBeforePopup : TOnBeforePopup;
FOnAfterCreated : TOnAfterCreated;
FOnBeforeClose : TOnBeforeClose;
FOnClose : TOnClose;
// ICefRequestHandler
FOnBeforeBrowse : TOnBeforeBrowse;
FOnOpenUrlFromTab : TOnOpenUrlFromTab;
FOnBeforeResourceLoad : TOnBeforeResourceLoad;
FOnGetResourceHandler : TOnGetResourceHandler;
FOnResourceRedirect : TOnResourceRedirect;
FOnResourceResponse : TOnResourceResponse;
FOnGetResourceResponseFilter : TOnGetResourceResponseFilter;
FOnResourceLoadComplete : TOnResourceLoadComplete;
FOnGetAuthCredentials : TOnGetAuthCredentials;
FOnQuotaRequest : TOnQuotaRequest;
FOnProtocolExecution : TOnProtocolExecution;
FOnCertificateError : TOnCertificateError;
FOnSelectClientCertificate : TOnSelectClientCertificate;
FOnPluginCrashed : TOnPluginCrashed;
FOnRenderViewReady : TOnRenderViewReady;
FOnRenderProcessTerminated : TOnRenderProcessTerminated;
// ICefDialogHandler
FOnFileDialog : TOnFileDialog;
// ICefRenderHandler
FOnGetAccessibilityHandler : TOnGetAccessibilityHandler;
FOnGetRootScreenRect : TOnGetRootScreenRect;
FOnGetViewRect : TOnGetViewRect;
FOnGetScreenPoint : TOnGetScreenPoint;
FOnGetScreenInfo : TOnGetScreenInfo;
FOnPopupShow : TOnPopupShow;
FOnPopupSize : TOnPopupSize;
FOnPaint : TOnPaint;
FOnCursorChange : TOnCursorChange;
FOnStartDragging : TOnStartDragging;
FOnUpdateDragCursor : TOnUpdateDragCursor;
FOnScrollOffsetChanged : TOnScrollOffsetChanged;
FOnIMECompositionRangeChanged : TOnIMECompositionRangeChanged;
// ICefDragHandler
FOnDragEnter : TOnDragEnter;
FOnDraggableRegionsChanged : TOnDraggableRegionsChanged;
// ICefFindHandler
FOnFindResult : TOnFindResult;
// Custom
FOnTextResultAvailable : TOnTextResultAvailableEvent;
FOnPdfPrintFinished : TOnPdfPrintFinishedEvent;
FOnPrefsAvailable : TOnPrefsAvailableEvent;
FOnCookiesDeleted : TOnCookiesDeletedEvent;
FOnResolvedHostAvailable : TOnResolvedIPsAvailableEvent;
function GetIsLoading : boolean;
function GetMultithreadApp : boolean;
function GetHasDocument : boolean;
function GetHasView : boolean;
function GetHasDevTools : boolean;
function GetHasClientHandler : boolean;
function GetHasBrowser : boolean;
function GetCanGoBack : boolean;
function GetCanGoForward : boolean;
function GetDocumentURL : string;
function GetZoomLevel : double;
function GetZoomPct : double;
function GetIsPopUp : boolean;
function GetWindowHandle : THandle;
function GetWindowlessFrameRate : integer;
function GetFrameIsFocused : boolean;
function GetInitialized : boolean;
function GetVisibleNavigationEntry : ICefNavigationEntry;
function GetHasValidMainFrame : boolean;
function GetFrameCount : NativeUInt;
function GetRequestContextCache : string;
function GetRequestContextIsGlobal : boolean;
procedure SetDoNotTrack(aValue : boolean);
procedure SetSendReferrer(aValue : boolean);
procedure SetHyperlinkAuditing(aValue : boolean);
procedure SetWebRTCIPHandlingPolicy(aValue : TCefWebRTCHandlingPolicy);
procedure SetWebRTCMultipleRoutes(aValue : TCefState);
procedure SetWebRTCNonProxiedUDP(aValue : TCefState);
procedure SetCookiePrefs(aValue : integer);
procedure SetImagesPrefs(aValue : integer);
procedure SetProxyType(aValue : integer);
procedure SetProxyScheme(aValue : TCefProxyScheme);
procedure SetProxyServer(const aValue : string);
procedure SetProxyPort(aValue : integer);
procedure SetProxyUsername(const aValue : string);
procedure SetProxyPassword(const aValue : string);
procedure SetProxyScriptURL(const aValue : string);
procedure SetProxyByPassList(const aValue : string);
procedure SetCustomHeaderName(const aValue : string);
procedure SetCustomHeaderValue(const aValue : string);
procedure SetZoomLevel(const aValue : double);
procedure SetZoomPct(const aValue : double);
procedure SetZoomStep(aValue : byte);
procedure SetWindowlessFrameRate(aValue : integer);
function CreateBrowserHost(aWindowInfo : PCefWindowInfo; const aURL : ustring; const aSettings : PCefBrowserSettings; const aContext : ICefRequestContext): Boolean;
function CreateBrowserHostSync(aWindowInfo : PCefWindowInfo; const aURL : ustring; const aSettings : PCefBrowserSettings; const aContext : ICefRequestContext): ICefBrowser;
procedure DestroyClientHandler;
procedure DestroyVisitor;
procedure DestroyPDFPrintcb;
procedure DestroyResolveHostcb;
procedure DestroyCookiDeletercb;
procedure ClearBrowserReference;
procedure InitializeEvents;
procedure InitializeSettings(var aSettings : TCefBrowserSettings);
procedure GetPrintPDFSettings(var aSettings : TCefPdfPrintSettings; const aTitle, aURL : string);
function UpdateProxyPrefs : boolean;
function UpdatePreference(const aName : string; aValue : boolean) : boolean; overload;
function UpdatePreference(const aName : string; aValue : integer) : boolean; overload;
function UpdatePreference(const aName : string; const aValue : double) : boolean; overload;
function UpdatePreference(const aName, aValue : string) : boolean; overload;
procedure HandleDictionary(const aDict : ICefDictionaryValue; var aResultSL : TStringList; const aRoot : string);
procedure HandleNull(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleBool(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleInteger(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleDouble(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleString(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleBinary(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleList(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
procedure HandleInvalid(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
function MustCreateLoadHandler : boolean; virtual;
function MustCreateFocusHandler : boolean; virtual;
function MustCreateContextMenuHandler : boolean; virtual;
function MustCreateDialogHandler : boolean; virtual;
function MustCreateKeyboardHandler : boolean; virtual;
function MustCreateDisplayHandler : boolean; virtual;
function MustCreateDownloadHandler : boolean; virtual;
function MustCreateGeolocationHandler : boolean; virtual;
function MustCreateJsDialogHandler : boolean; virtual;
function MustCreateLifeSpanHandler : boolean; virtual;
function MustCreateRequestHandler : boolean; virtual;
function MustCreateDragHandler : boolean; virtual;
function MustCreateFindHandler : boolean; virtual;
procedure PrefsAvailableMsg(var aMessage : TMessage);
function GetParentForm : TCustomForm;
procedure ApplyZoomStep;
procedure DelayedDragging;
function SendCompMessage(aMsg : cardinal; wParam : cardinal = 0; lParam : integer = 0) : boolean;
procedure ToMouseEvent(grfKeyState : Longint; pt : TPoint; var aMouseEvent : TCefMouseEvent);
procedure WndProc(var aMessage: TMessage);
procedure DragDropManager_OnDragEnter(Sender: TObject; const aDragData : ICefDragData; grfKeyState: Longint; pt: TPoint; var dwEffect: Longint);
procedure DragDropManager_OnDragOver(Sender: TObject; grfKeyState: Longint; pt: TPoint; var dwEffect: Longint);
procedure DragDropManager_OnDragLeave(Sender: TObject);
procedure DragDropManager_OnDrop(Sender: TObject; grfKeyState: Longint; pt: TPoint; var dwEffect: Longint);
// IChromiumEvents
procedure GetSettings(var aSettings : TCefBrowserSettings);
// ICefClient
function doOnProcessMessageReceived(const browser: ICefBrowser; sourceProcess: TCefProcessId; const aMessage: ICefProcessMessage): Boolean; virtual;
// ICefLoadHandler
procedure doOnLoadStart(const browser: ICefBrowser; const frame: ICefFrame; transitionType: TCefTransitionType); virtual;
procedure doOnLoadEnd(const browser: ICefBrowser; const frame: ICefFrame; httpStatusCode: Integer); virtual;
procedure doOnLoadError(const browser: ICefBrowser; const frame: ICefFrame; errorCode: Integer; const errorText, failedUrl: ustring); virtual;
procedure doOnLoadingStateChange(const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean); virtual;
// ICefFocusHandler
procedure doOnTakeFocus(const browser: ICefBrowser; next: Boolean); virtual;
function doOnSetFocus(const browser: ICefBrowser; source: TCefFocusSource): Boolean; virtual;
procedure doOnGotFocus(const browser: ICefBrowser); virtual;
// ICefContextMenuHandler
procedure doOnBeforeContextMenu(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel); virtual;
function doRunContextMenu(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel; const callback: ICefRunContextMenuCallback): Boolean; virtual;
function doOnContextMenuCommand(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; commandId: Integer; eventFlags: TCefEventFlags): Boolean; virtual;
procedure doOnContextMenuDismissed(const browser: ICefBrowser; const frame: ICefFrame); virtual;
// ICefKeyboardHandler
function doOnPreKeyEvent(const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: TCefEventHandle; out isKeyboardShortcut: Boolean): Boolean; virtual;
function doOnKeyEvent(const browser: ICefBrowser; const event: PCefKeyEvent; osEvent: TCefEventHandle): Boolean; virtual;
// ICefDisplayHandler
procedure doOnAddressChange(const browser: ICefBrowser; const frame: ICefFrame; const url: ustring); virtual;
procedure doOnTitleChange(const browser: ICefBrowser; const title: ustring); virtual;
procedure doOnFaviconUrlChange(const browser: ICefBrowser; iconUrls: TStrings); virtual;
procedure doOnFullScreenModeChange(const browser: ICefBrowser; fullscreen: Boolean); virtual;
function doOnTooltip(const browser: ICefBrowser; var text: ustring): Boolean; virtual;
procedure doOnStatusMessage(const browser: ICefBrowser; const value: ustring); virtual;
function doOnConsoleMessage(const browser: ICefBrowser; const aMessage, source: ustring; line: Integer): Boolean; virtual;
function doOnAutoResize(const browser: ICefBrowser; const new_size: PCefSize): Boolean; virtual;
// ICefDownloadHandler
procedure doOnBeforeDownload(const browser: ICefBrowser; const downloadItem: ICefDownloadItem; const suggestedName: ustring; const callback: ICefBeforeDownloadCallback); virtual;
procedure doOnDownloadUpdated(const browser: ICefBrowser; const downloadItem: ICefDownloadItem; const callback: ICefDownloadItemCallback); virtual;
// ICefGeolocationHandler
function doOnRequestGeolocationPermission(const browser: ICefBrowser; const requestingUrl: ustring; requestId: Integer; const callback: ICefGeolocationCallback): Boolean; virtual;
procedure doOnCancelGeolocationPermission(const browser: ICefBrowser; requestId: Integer); virtual;
// ICefJsDialogHandler
function doOnJsdialog(const browser: ICefBrowser; const originUrl: ustring; dialogType: TCefJsDialogType; const messageText, defaultPromptText: ustring; const callback: ICefJsDialogCallback; out suppressMessage: Boolean): Boolean; virtual;
function doOnBeforeUnloadDialog(const browser: ICefBrowser; const messageText: ustring; isReload: Boolean; const callback: ICefJsDialogCallback): Boolean; virtual;
procedure doOnResetDialogState(const browser: ICefBrowser); virtual;
procedure doOnDialogClosed(const browser: ICefBrowser); virtual;
// ICefLifeSpanHandler
function doOnBeforePopup(const browser: ICefBrowser; const frame: ICefFrame; const targetUrl, targetFrameName: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean; var popupFeatures: TCefPopupFeatures; var windowInfo: TCefWindowInfo; var client: ICefClient; var settings: TCefBrowserSettings; var noJavascriptAccess: Boolean): Boolean; virtual;
procedure doOnAfterCreated(const browser: ICefBrowser); virtual;
procedure doOnBeforeClose(const browser: ICefBrowser); virtual;
function doOnClose(const browser: ICefBrowser): Boolean; virtual;
// ICefRequestHandler
function doOnBeforeBrowse(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; isRedirect: Boolean): Boolean; virtual;
function doOnOpenUrlFromTab(const browser: ICefBrowser; const frame: ICefFrame; const targetUrl: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean): Boolean; virtual;
function doOnBeforeResourceLoad(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const callback: ICefRequestCallback): TCefReturnValue; virtual;
function doOnGetResourceHandler(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest): ICefResourceHandler; virtual;
procedure doOnResourceRedirect(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; var newUrl: ustring); virtual;
function doOnResourceResponse(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse): Boolean; virtual;
function doOnGetResourceResponseFilter(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse): ICefResponseFilter; virtual;
procedure doOnResourceLoadComplete(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; status: TCefUrlRequestStatus; receivedContentLength: Int64); virtual;
function doOnGetAuthCredentials(const browser: ICefBrowser; const frame: ICefFrame; isProxy: Boolean; const host: ustring; port: Integer; const realm, scheme: ustring; const callback: ICefAuthCallback): Boolean; virtual;
function doOnQuotaRequest(const browser: ICefBrowser; const originUrl: ustring; newSize: Int64; const callback: ICefRequestCallback): Boolean; virtual;
procedure doOnProtocolExecution(const browser: ICefBrowser; const url: ustring; out allowOsExecution: Boolean); virtual;
function doOnCertificateError(const browser: ICefBrowser; certError: TCefErrorcode; const requestUrl: ustring; const sslInfo: ICefSslInfo; const callback: ICefRequestCallback): Boolean; virtual;
function doOnSelectClientCertificate(const browser: ICefBrowser; isProxy: boolean; const host: ustring; port: integer; certificatesCount: NativeUInt; const certificates: TCefX509CertificateArray; const callback: ICefSelectClientCertificateCallback): boolean; virtual;
procedure doOnPluginCrashed(const browser: ICefBrowser; const pluginPath: ustring); virtual;
procedure doOnRenderViewReady(const browser: ICefBrowser); virtual;
procedure doOnRenderProcessTerminated(const browser: ICefBrowser; status: TCefTerminationStatus); virtual;
// ICefDialogHandler
function doOnFileDialog(const browser: ICefBrowser; mode: TCefFileDialogMode; const title, defaultFilePath: ustring; acceptFilters: TStrings; selectedAcceptFilter: Integer; const callback: ICefFileDialogCallback): Boolean; virtual;
// ICefRenderHandler
procedure doOnGetAccessibilityHandler(var aAccessibilityHandler : ICefAccessibilityHandler); virtual;
function doOnGetRootScreenRect(const browser: ICefBrowser; var rect: TCefRect): Boolean; virtual;
function doOnGetViewRect(const browser: ICefBrowser; var rect: TCefRect): Boolean; virtual;
function doOnGetScreenPoint(const browser: ICefBrowser; viewX, viewY: Integer; var screenX, screenY: Integer): Boolean; virtual;
function doOnGetScreenInfo(const browser: ICefBrowser; var screenInfo: TCefScreenInfo): Boolean; virtual;
procedure doOnPopupShow(const browser: ICefBrowser; show: Boolean); virtual;
procedure doOnPopupSize(const browser: ICefBrowser; const rect: PCefRect); virtual;
procedure doOnPaint(const browser: ICefBrowser; kind: TCefPaintElementType; dirtyRectsCount: NativeUInt; const dirtyRects: PCefRectArray; const buffer: Pointer; width, height: Integer); virtual;
procedure doOnCursorChange(const browser: ICefBrowser; cursor: TCefCursorHandle; cursorType: TCefCursorType; const customCursorInfo: PCefCursorInfo); virtual;
function doOnStartDragging(const browser: ICefBrowser; const dragData: ICefDragData; allowedOps: TCefDragOperations; x, y: Integer): Boolean; virtual;
procedure doOnUpdateDragCursor(const browser: ICefBrowser; operation: TCefDragOperation); virtual;
procedure doOnScrollOffsetChanged(const browser: ICefBrowser; x, y: Double); virtual;
procedure doOnIMECompositionRangeChanged(const browser: ICefBrowser; const selected_range: PCefRange; character_boundsCount: NativeUInt; const character_bounds: PCefRect); virtual;
// ICefDragHandler
function doOnDragEnter(const browser: ICefBrowser; const dragData: ICefDragData; mask: TCefDragOperations): Boolean; virtual;
procedure doOnDraggableRegionsChanged(const browser: ICefBrowser; regionsCount: NativeUInt; regions: PCefDraggableRegionArray); virtual;
// ICefFindHandler
procedure doOnFindResult(const browser: ICefBrowser; identifier, count: Integer; const selectionRect: PCefRect; activeMatchOrdinal: Integer; finalUpdate: Boolean); virtual;
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
procedure AfterConstruction; override;
function CreateClientHandler(aIsOSR : boolean) : boolean; overload;
function CreateClientHandler(var aClient : ICefClient) : boolean; overload;
procedure CloseBrowser(aForceClose : boolean);
function CreateBrowser(const aBrowserParent : TWinControl = nil; const aWindowName : string = ''; const aContext : ICefRequestContext = nil; const aCookiesPath : string = ''; aPersistSessionCookies : boolean = False) : boolean; overload;
function CreateBrowser(aParentHandle : HWND; aParentRect : TRect; const aWindowName : string = ''; const aContext : ICefRequestContext = nil; const aCookiesPath : string = ''; aPersistSessionCookies : boolean = False) : boolean; overload;
function ShareRequestContext(var aContext : ICefRequestContext; const aHandler : ICefRequestContextHandler = nil) : boolean;
procedure InitializeDragAndDrop(const aDropTargetCtrl : TWinControl);
procedure ShutdownDragAndDrop;
// Internal procedures.
// Only tasks, visitors or callbacks should use them in the right thread/process.
procedure Internal_CookiesDeleted(numDeleted : integer);
procedure Internal_GetHTML(const aFrameName : ustring); overload;
procedure Internal_GetHTML(const aFrame : ICefFrame); overload;
procedure Internal_GetHTML(const aFrameIdentifier : int64); overload;
procedure Internal_GetText(const aFrameName : ustring); overload;
procedure Internal_GetText(const aFrame : ICefFrame); overload;
procedure Internal_GetText(const aFrameIdentifier : int64); overload;
procedure Internal_PdfPrintFinished(aResultOK : boolean);
procedure Internal_TextResultAvailable(const aText : string);
procedure Internal_UpdatePreferences; virtual;
function Internal_SavePreferences : boolean;
procedure Internal_ResolvedHostAvailable(result: TCefErrorCode; const resolvedIps: TStrings);
procedure LoadURL(const aURL : ustring);
procedure LoadString(const aString : ustring; const aURL : ustring = '');
procedure LoadRequest(const aRequest: ICefRequest);
procedure GoBack;
procedure GoForward;
procedure Reload;
procedure ReloadIgnoreCache;
procedure StopLoad;
procedure StartDownload(const aURL : ustring);
procedure SimulateMouseWheel(aDeltaX, aDeltaY : integer);
function DeleteCookies : boolean;
procedure RetrieveHTML(const aFrameName : ustring = ''); overload;
procedure RetrieveHTML(const aFrame : ICefFrame); overload;
procedure RetrieveHTML(const aFrameIdentifier : int64); overload;
procedure RetrieveText(const aFrameName : ustring = ''); overload;
procedure RetrieveText(const aFrame : ICefFrame); overload;
procedure RetrieveText(const aFrameIdentifier : int64); overload;
function GetFrameNames(var aFrameNames : TStrings) : boolean;
function GetFrameIdentifiers(var aFrameCount : NativeUInt; var aFrameIdentifierArray : TCefFrameIdentifierArray) : boolean;
procedure ExecuteJavaScript(const aCode, aScriptURL : ustring; const aFrameName : ustring = ''; aStartLine : integer = 0); overload;
procedure ExecuteJavaScript(const aCode, aScriptURL : ustring; const aFrame : ICefFrame; aStartLine : integer = 0); overload;
procedure ExecuteJavaScript(const aCode, aScriptURL : ustring; const aFrameIdentifier : int64; aStartLine : integer = 0); overload;
procedure UpdatePreferences;
procedure SavePreferences(const aFileName : string);
function SetNewBrowserParent(aNewParentHwnd : HWND) : boolean;
procedure ResolveHost(const aURL : ustring);
function TakeSnapshot(var aBitmap : TBitmap) : boolean;
procedure ShowDevTools(inspectElementAt: TPoint; const aDevTools : TWinControl);
procedure CloseDevTools(const aDevTools : TWinControl = nil);
procedure Find(aIdentifier : integer; const aSearchText : ustring; aForward, aMatchCase, aFindNext : Boolean);
procedure StopFinding(aClearSelection : Boolean);
procedure Print;
procedure PrintToPDF(const aFilePath, aTitle, aURL : ustring);
procedure ClipboardCopy;
procedure ClipboardPaste;
procedure ClipboardCut;
procedure ClipboardUndo;
procedure ClipboardRedo;
procedure ClipboardDel;
procedure SelectAll;
procedure IncZoomStep;
procedure DecZoomStep;
procedure ResetZoomStep;
procedure MoveFormTo(const x, y: Integer);
procedure MoveFormBy(const x, y: Integer);
procedure ResizeFormWidthTo(const x : Integer);
procedure ResizeFormHeightTo(const y : Integer);
procedure SetFormLeftTo(const x : Integer);
procedure SetFormTopTo(const y : Integer);
procedure WasResized;
procedure WasHidden(hidden: Boolean);
procedure NotifyScreenInfoChanged;
procedure NotifyMoveOrResizeStarted;
procedure Invalidate(kind: TCefPaintElementType = PET_VIEW);
procedure SendKeyEvent(const event: PCefKeyEvent);
procedure SendMouseClickEvent(const event: PCefMouseEvent; kind: TCefMouseButtonType; mouseUp: Boolean; clickCount: Integer);
procedure SendMouseMoveEvent(const event: PCefMouseEvent; mouseLeave: Boolean);
procedure SendMouseWheelEvent(const event: PCefMouseEvent; deltaX, deltaY: Integer);
procedure SendFocusEvent(setFocus: Boolean);
procedure SendCaptureLostEvent;
function SendProcessMessage(targetProcess: TCefProcessId; const ProcMessage: ICefProcessMessage): Boolean;
procedure SetFocus(focus: Boolean);
procedure SetAccessibilityState(accessibilityState: TCefState);
procedure DragTargetDragEnter(const dragData: ICefDragData; const event: PCefMouseEvent; allowedOps: TCefDragOperations);
procedure DragTargetDragOver(const event: PCefMouseEvent; allowedOps: TCefDragOperations);
procedure DragTargetDragLeave;
procedure DragTargetDrop(event: PCefMouseEvent);
procedure DragSourceEndedAt(x, y: Integer; op: TCefDragOperation);
procedure DragSourceSystemDragEnded;
property DefaultUrl : ustring read FDefaultUrl write FDefaultUrl;
property Options : TChromiumOptions read FOptions write FOptions;
property FontOptions : TChromiumFontOptions read FFontOptions write FFontOptions;
property PDFPrintOptions : TPDFPrintOptions read FPDFPrintOptions write FPDFPrintOptions;
property DefaultEncoding : ustring read FDefaultEncoding write FDefaultEncoding;
property BrowserId : integer read FBrowserId;
property Browser : ICefBrowser read FBrowser;
property CefClient : ICefClient read FHandler;
property VisibleNavigationEntry : ICefNavigationEntry read GetVisibleNavigationEntry;
property MultithreadApp : boolean read GetMultithreadApp;
property IsLoading : boolean read GetIsLoading;
property HasDocument : boolean read GetHasDocument;
property HasView : boolean read GetHasView;
property HasDevTools : boolean read GetHasDevTools;
property HasClientHandler : boolean read GetHasClientHandler;
property HasBrowser : boolean read GetHasBrowser;
property CanGoBack : boolean read GetCanGoBack;
property CanGoForward : boolean read GetCanGoForward;
property IsPopUp : boolean read GetIsPopUp;
property WindowHandle : THandle read GetWindowHandle;
property FrameIsFocused : boolean read GetFrameIsFocused;
property Initialized : boolean read GetInitialized;
property RequestContextCache : string read GetRequestContextCache;
property RequestContextIsGlobal : boolean read GetRequestContextIsGlobal;
property CookiePrefs : integer read FCookiePrefs write SetCookiePrefs;
property ImagesPrefs : integer read FImagesPrefs write SetImagesPrefs;
property DocumentURL : string read GetDocumentURL;
property WindowName : string read FWindowName write FWindowName;
property ZoomLevel : double read GetZoomLevel write SetZoomLevel;
property ZoomPct : double read GetZoomPct write SetZoomPct;
property ZoomStep : byte read FZoomStep write SetZoomStep;
property WindowlessFrameRate : integer read GetWindowlessFrameRate write SetWindowlessFrameRate;
property CustomHeaderName : string read FCustomHeaderName write SetCustomHeaderName;
property CustomHeaderValue : string read FCustomHeaderValue write SetCustomHeaderValue;
property DoNotTrack : boolean read FDoNotTrack write SetDoNotTrack;
property SendReferrer : boolean read FSendReferrer write SetSendReferrer;
property HyperlinkAuditing : boolean read FHyperlinkAuditing write SetHyperlinkAuditing;
property HasValidMainFrame : boolean read GetHasValidMainFrame;
property FrameCount : NativeUInt read GetFrameCount;
property DragOperations : TCefDragOperations read FDragOperations write FDragOperations;
property WebRTCIPHandlingPolicy : TCefWebRTCHandlingPolicy read FWebRTCIPHandlingPolicy write SetWebRTCIPHandlingPolicy;
property WebRTCMultipleRoutes : TCefState read FWebRTCMultipleRoutes write SetWebRTCMultipleRoutes;
property WebRTCNonproxiedUDP : TCefState read FWebRTCNonProxiedUDP write SetWebRTCNonProxiedUDP;
property ProxyType : integer read FProxyType write SetProxyType;
property ProxyScheme : TCefProxyScheme read FProxyScheme write SetProxyScheme;
property ProxyServer : string read FProxyServer write SetProxyServer;
property ProxyPort : integer read FProxyPort write SetProxyPort;
property ProxyUsername : string read FProxyUsername write SetProxyUsername;
property ProxyPassword : string read FProxyPassword write SetProxyPassword;
property ProxyScriptURL : string read FProxyScriptURL write SetProxyScriptURL;
property ProxyByPassList : string read FProxyByPassList write SetProxyByPassList;
published
property OnTextResultAvailable : TOnTextResultAvailableEvent read FOnTextResultAvailable write FOnTextResultAvailable;
property OnPdfPrintFinished : TOnPdfPrintFinishedEvent read FOnPdfPrintFinished write FOnPdfPrintFinished;
property OnPrefsAvailable : TOnPrefsAvailableEvent read FOnPrefsAvailable write FOnPrefsAvailable;
property OnCookiesDeleted : TOnCookiesDeletedEvent read FOnCookiesDeleted write FOnCookiesDeleted;
property OnResolvedHostAvailable : TOnResolvedIPsAvailableEvent read FOnResolvedHostAvailable write FOnResolvedHostAvailable;
// ICefClient
property OnProcessMessageReceived : TOnProcessMessageReceived read FOnProcessMessageReceived write FOnProcessMessageReceived;
// ICefLoadHandler
property OnLoadStart : TOnLoadStart read FOnLoadStart write FOnLoadStart;
property OnLoadEnd : TOnLoadEnd read FOnLoadEnd write FOnLoadEnd;
property OnLoadError : TOnLoadError read FOnLoadError write FOnLoadError;
property OnLoadingStateChange : TOnLoadingStateChange read FOnLoadingStateChange write FOnLoadingStateChange;
// ICefFocusHandler
property OnTakeFocus : TOnTakeFocus read FOnTakeFocus write FOnTakeFocus;
property OnSetFocus : TOnSetFocus read FOnSetFocus write FOnSetFocus;
property OnGotFocus : TOnGotFocus read FOnGotFocus write FOnGotFocus;
// ICefContextMenuHandler
property OnBeforeContextMenu : TOnBeforeContextMenu read FOnBeforeContextMenu write FOnBeforeContextMenu;
property OnRunContextMenu : TOnRunContextMenu read FOnRunContextMenu write FOnRunContextMenu;
property OnContextMenuCommand : TOnContextMenuCommand read FOnContextMenuCommand write FOnContextMenuCommand;
property OnContextMenuDismissed : TOnContextMenuDismissed read FOnContextMenuDismissed write FOnContextMenuDismissed;
// ICefKeyboardHandler
property OnPreKeyEvent : TOnPreKeyEvent read FOnPreKeyEvent write FOnPreKeyEvent;
property OnKeyEvent : TOnKeyEvent read FOnKeyEvent write FOnKeyEvent;
// ICefDisplayHandler
property OnAddressChange : TOnAddressChange read FOnAddressChange write FOnAddressChange;
property OnTitleChange : TOnTitleChange read FOnTitleChange write FOnTitleChange;
property OnFavIconUrlChange : TOnFavIconUrlChange read FOnFavIconUrlChange write FOnFavIconUrlChange;
property OnFullScreenModeChange : TOnFullScreenModeChange read FOnFullScreenModeChange write FOnFullScreenModeChange;
property OnTooltip : TOnTooltip read FOnTooltip write FOnTooltip;
property OnStatusMessage : TOnStatusMessage read FOnStatusMessage write FOnStatusMessage;
property OnConsoleMessage : TOnConsoleMessage read FOnConsoleMessage write FOnConsoleMessage;
property OnAutoResize : TOnAutoResize read FOnAutoResize write FOnAutoResize;
// ICefDownloadHandler
property OnBeforeDownload : TOnBeforeDownload read FOnBeforeDownload write FOnBeforeDownload;
property OnDownloadUpdated : TOnDownloadUpdated read FOnDownloadUpdated write FOnDownloadUpdated;
// ICefGeolocationHandler
property OnRequestGeolocationPermission : TOnRequestGeolocationPermission read FOnRequestGeolocationPermission write FOnRequestGeolocationPermission;
property OnCancelGeolocationPermission : TOnCancelGeolocationPermission read FOnCancelGeolocationPermission write FOnCancelGeolocationPermission;
// ICefJsDialogHandler
property OnJsdialog : TOnJsdialog read FOnJsdialog write FOnJsdialog;
property OnBeforeUnloadDialog : TOnBeforeUnloadDialog read FOnBeforeUnloadDialog write FOnBeforeUnloadDialog;
property OnResetDialogState : TOnResetDialogState read FOnResetDialogState write FOnResetDialogState;
property OnDialogClosed : TOnDialogClosed read FOnDialogClosed write FOnDialogClosed;
// ICefLifeSpanHandler
property OnBeforePopup : TOnBeforePopup read FOnBeforePopup write FOnBeforePopup;
property OnAfterCreated : TOnAfterCreated read FOnAfterCreated write FOnAfterCreated;
property OnBeforeClose : TOnBeforeClose read FOnBeforeClose write FOnBeforeClose;
property OnClose : TOnClose read FOnClose write FOnClose;
// ICefRequestHandler
property OnBeforeBrowse : TOnBeforeBrowse read FOnBeforeBrowse write FOnBeforeBrowse;
property OnOpenUrlFromTab : TOnOpenUrlFromTab read FOnOpenUrlFromTab write FOnOpenUrlFromTab;
property OnBeforeResourceLoad : TOnBeforeResourceLoad read FOnBeforeResourceLoad write FOnBeforeResourceLoad;
property OnGetResourceHandler : TOnGetResourceHandler read FOnGetResourceHandler write FOnGetResourceHandler;
property OnResourceRedirect : TOnResourceRedirect read FOnResourceRedirect write FOnResourceRedirect;
property OnResourceResponse : TOnResourceResponse read FOnResourceResponse write FOnResourceResponse;
property OnGetResourceResponseFilter : TOnGetResourceResponseFilter read FOnGetResourceResponseFilter write FOnGetResourceResponseFilter;
property OnResourceLoadComplete : TOnResourceLoadComplete read FOnResourceLoadComplete write FOnResourceLoadComplete;
property OnGetAuthCredentials : TOnGetAuthCredentials read FOnGetAuthCredentials write FOnGetAuthCredentials;
property OnQuotaRequest : TOnQuotaRequest read FOnQuotaRequest write FOnQuotaRequest;
property OnProtocolExecution : TOnProtocolExecution read FOnProtocolExecution write FOnProtocolExecution;
property OnCertificateError : TOnCertificateError read FOnCertificateError write FOnCertificateError;
property OnSelectClientCertificate : TOnSelectClientCertificate read FOnSelectClientCertificate write FOnSelectClientCertificate;
property OnPluginCrashed : TOnPluginCrashed read FOnPluginCrashed write FOnPluginCrashed;
property OnRenderViewReady : TOnRenderViewReady read FOnRenderViewReady write FOnRenderViewReady;
property OnRenderProcessTerminated : TOnRenderProcessTerminated read FOnRenderProcessTerminated write FOnRenderProcessTerminated;
// ICefDialogHandler
property OnFileDialog : TOnFileDialog read FOnFileDialog write FOnFileDialog;
// ICefRenderHandler
property OnGetAccessibilityHandler : TOnGetAccessibilityHandler read FOnGetAccessibilityHandler write FOnGetAccessibilityHandler;
property OnGetRootScreenRect : TOnGetRootScreenRect read FOnGetRootScreenRect write FOnGetRootScreenRect;
property OnGetViewRect : TOnGetViewRect read FOnGetViewRect write FOnGetViewRect;
property OnGetScreenPoint : TOnGetScreenPoint read FOnGetScreenPoint write FOnGetScreenPoint;
property OnGetScreenInfo : TOnGetScreenInfo read FOnGetScreenInfo write FOnGetScreenInfo;
property OnPopupShow : TOnPopupShow read FOnPopupShow write FOnPopupShow;
property OnPopupSize : TOnPopupSize read FOnPopupSize write FOnPopupSize;
property OnPaint : TOnPaint read FOnPaint write FOnPaint;
property OnCursorChange : TOnCursorChange read FOnCursorChange write FOnCursorChange;
property OnStartDragging : TOnStartDragging read FOnStartDragging write FOnStartDragging;
property OnUpdateDragCursor : TOnUpdateDragCursor read FOnUpdateDragCursor write FOnUpdateDragCursor;
property OnScrollOffsetChanged : TOnScrollOffsetChanged read FOnScrollOffsetChanged write FOnScrollOffsetChanged;
property OnIMECompositionRangeChanged : TOnIMECompositionRangeChanged read FOnIMECompositionRangeChanged write FOnIMECompositionRangeChanged;
// ICefDragHandler
property OnDragEnter : TOnDragEnter read FOnDragEnter write FOnDragEnter;
property OnDraggableRegionsChanged : TOnDraggableRegionsChanged read FOnDraggableRegionsChanged write FOnDraggableRegionsChanged;
// ICefFindHandler
property OnFindResult : TOnFindResult read FOnFindResult write FOnFindResult;
end;
implementation
uses
{$IFDEF DELPHI16_UP}
System.SysUtils, System.Math,
{$ELSE}
SysUtils, Math,
{$ENDIF}
uCEFBrowser, uCEFValue, uCEFDictionaryValue, uCEFStringMultimap, uCEFFrame,
uCEFApplication, uCEFProcessMessage, uOLEDragAndDrop, uCEFRequestContext,
uCEFResolveCallback;
constructor TChromium.Create(AOwner: TComponent);
begin
FBrowser := nil;
FBrowserId := 0;
FCompHandle := 0;
FClosing := False;
FInitialized := False;
FIsOSR := False;
FDefaultUrl := 'about:blank';
FHandler := nil;
FOptions := nil;
FFontOptions := nil;
FDefaultEncoding := '';
FVisitor := nil;
FPDFPrintcb := nil;
FResolveHostcb := nil;
FCookiDeletercb := nil;
FPDFPrintOptions := nil;
FUpdatePreferences := False;
FCustomHeaderName := '';
FCustomHeaderValue := '';
FPrefsFileName := '';
FAddCustomHeader := False;
FDoNotTrack := True;
FSendReferrer := True;
FHyperlinkAuditing := False;
FCookiePrefs := CEF_CONTENT_SETTING_ALLOW;
FImagesPrefs := CEF_CONTENT_SETTING_ALLOW;
FZoomStep := ZOOM_STEP_DEF;
FWindowName := '';
FDragOperations := DRAG_OPERATION_NONE;
FDragDropManager := nil;
FDropTargetCtrl := nil;
FDragAndDropInitialized := False;
FWebRTCIPHandlingPolicy := hpDefault;
FWebRTCMultipleRoutes := STATE_DEFAULT;
FWebRTCNonProxiedUDP := STATE_DEFAULT;
FProxyType := CEF_PROXYTYPE_DIRECT;
FProxyScheme := psHTTP;
FProxyServer := '';
FProxyPort := 80;
FProxyUsername := '';
FProxyPassword := '';
FProxyScriptURL := '';
FProxyByPassList := '';
FillChar(FWindowInfo, SizeOf(TCefWindowInfo), 0);
FillChar(FDevWindowInfo, SizeOf(TCefWindowInfo), 0);
InitializeSettings(FBrowserSettings);
InitializeSettings(FDevBrowserSettings);
InitializeEvents;
inherited Create(AOwner);
end;
destructor TChromium.Destroy;
begin
try
try
if (FDragDropManager <> nil) then FreeAndNil(FDragDropManager);
if (FCompHandle <> 0) then
begin
DeallocateHWnd(FCompHandle);
FCompHandle := 0;
end;
ClearBrowserReference;
DestroyClientHandler;
DestroyVisitor;
DestroyPDFPrintcb;
DestroyResolveHostcb;
DestroyCookiDeletercb;
if (FFontOptions <> nil) then FreeAndNil(FFontOptions);
if (FOptions <> nil) then FreeAndNil(FOptions);
if (FPDFPrintOptions <> nil) then FreeAndNil(FPDFPrintOptions);
except
on e : exception do
if CustomExceptionHandler('TChromium.Destroy', e) then raise;
end;
finally
inherited Destroy;
end;
end;
procedure TChromium.ClearBrowserReference;
begin
FBrowser := nil;
FBrowserId := 0;
end;
procedure TChromium.DestroyClientHandler;
begin
if (FHandler <> nil) then
begin
FHandler.InitializeVars;
FHandler := nil;
end;
end;
procedure TChromium.DestroyVisitor;
begin
if (FVisitor <> nil) then
begin
FVisitor.InitializeVars;
FVisitor := nil;
end;
end;
procedure TChromium.DestroyPDFPrintcb;
begin
if (FPDFPrintcb <> nil) then
begin
FPDFPrintcb.InitializeVars;
FPDFPrintcb := nil;
end;
end;
procedure TChromium.DestroyResolveHostcb;
begin
if (FResolveHostcb <> nil) then
begin
FResolveHostcb.InitializeVars;
FResolveHostcb := nil;
end;
end;
procedure TChromium.DestroyCookiDeletercb;
begin
if (FCookiDeletercb <> nil) then
begin
FCookiDeletercb.InitializeVars;
FCookiDeletercb := nil;
end;
end;
procedure TChromium.AfterConstruction;
begin
inherited AfterConstruction;
try
if not(csDesigning in ComponentState) then
begin
FCompHandle := AllocateHWnd(WndProc);
FOptions := TChromiumOptions.Create;
FFontOptions := TChromiumFontOptions.Create;
FPDFPrintOptions := TPDFPrintOptions.Create;
end;
except
on e : exception do
if CustomExceptionHandler('TChromium.AfterConstruction', e) then raise;
end;
end;
function TChromium.CreateClientHandler(aIsOSR : boolean) : boolean;
begin
Result := False;
try
if (FHandler = nil) then
begin
FIsOSR := aIsOsr;
FHandler := TCustomClientHandler.Create(Self,
MustCreateLoadHandler,
MustCreateFocusHandler,
MustCreateContextMenuHandler,
MustCreateDialogHandler,
MustCreateKeyboardHandler,
MustCreateDisplayHandler,
MustCreateDownloadHandler,
MustCreateGeolocationHandler,
MustCreateJsDialogHandler,
MustCreateLifeSpanHandler,
FIsOSR, // Create the Render Handler in OSR mode only
MustCreateRequestHandler,
MustCreateDragHandler,
MustCreateFindHandler);
Result := True;
end;
except
on e : exception do
if CustomExceptionHandler('TChromium.CreateClientHandler', e) then raise;
end;
end;
function TChromium.CreateClientHandler(var aClient : ICefClient) : boolean;
begin
if CreateClientHandler(True) then
begin
aClient := FHandler;
Result := True;
end
else
Result := False;
end;
procedure TChromium.InitializeEvents;
begin
// ICefClient
FOnProcessMessageReceived := nil;
// ICefLoadHandler
FOnLoadStart := nil;
FOnLoadEnd := nil;
FOnLoadError := nil;
FOnLoadingStateChange := nil;
// ICefFocusHandler
FOnTakeFocus := nil;
FOnSetFocus := nil;
FOnGotFocus := nil;
// ICefContextMenuHandler
FOnBeforeContextMenu := nil;
FOnRunContextMenu := nil;
FOnContextMenuCommand := nil;
FOnContextMenuDismissed := nil;
// ICefKeyboardHandler
FOnPreKeyEvent := nil;
FOnKeyEvent := nil;
// ICefDisplayHandler
FOnAddressChange := nil;
FOnTitleChange := nil;
FOnFavIconUrlChange := nil;
FOnFullScreenModeChange := nil;
FOnTooltip := nil;
FOnStatusMessage := nil;
FOnConsoleMessage := nil;
FOnAutoResize := nil;
// ICefDownloadHandler
FOnBeforeDownload := nil;
FOnDownloadUpdated := nil;
// ICefGeolocationHandler
FOnRequestGeolocationPermission := nil;
FOnCancelGeolocationPermission := nil;
// ICefJsDialogHandler
FOnJsdialog := nil;
FOnBeforeUnloadDialog := nil;
FOnResetDialogState := nil;
FOnDialogClosed := nil;
// ICefLifeSpanHandler
FOnBeforePopup := nil;
FOnAfterCreated := nil;
FOnBeforeClose := nil;
FOnClose := nil;
// ICefRequestHandler
FOnBeforeBrowse := nil;
FOnOpenUrlFromTab := nil;
FOnBeforeResourceLoad := nil;
FOnGetResourceHandler := nil;
FOnResourceRedirect := nil;
FOnResourceResponse := nil;
FOnGetResourceResponseFilter := nil;
FOnResourceLoadComplete := nil;
FOnGetAuthCredentials := nil;
FOnQuotaRequest := nil;
FOnProtocolExecution := nil;
FOnCertificateError := nil;
FOnSelectClientCertificate := nil;
FOnPluginCrashed := nil;
FOnRenderViewReady := nil;
FOnRenderProcessTerminated := nil;
// ICefDialogHandler
FOnFileDialog := nil;
// ICefRenderHandler
FOnGetAccessibilityHandler := nil;
FOnGetRootScreenRect := nil;
FOnGetViewRect := nil;
FOnGetScreenPoint := nil;
FOnGetScreenInfo := nil;
FOnPopupShow := nil;
FOnPopupSize := nil;
FOnPaint := nil;
FOnCursorChange := nil;
FOnStartDragging := nil;
FOnUpdateDragCursor := nil;
FOnScrollOffsetChanged := nil;
FOnIMECompositionRangeChanged := nil;
// ICefDragHandler
FOnDragEnter := nil;
FOnDraggableRegionsChanged := nil;
// ICefFindHandler
FOnFindResult := nil;
// Custom
FOnTextResultAvailable := nil;
FOnPdfPrintFinished := nil;
FOnPrefsAvailable := nil;
FOnCookiesDeleted := nil;
FOnResolvedHostAvailable := nil;
end;
function TChromium.CreateBrowser(const aBrowserParent : TWinControl;
const aWindowName : string;
const aContext : ICefRequestContext;
const aCookiesPath : string;
aPersistSessionCookies : boolean) : boolean;
var
TempHandle : HWND;
TempRect : TRect;
begin
if (aBrowserParent <> nil) then
begin
TempHandle := aBrowserParent.Handle;
TempRect := aBrowserParent.ClientRect;
end
else
begin
TempHandle := 0;
TempRect := rect(0, 0, 0, 0);
end;
Result := CreateBrowser(TempHandle, TempRect, aWindowName, aContext, aCookiesPath, aPersistSessionCookies);
end;
function TChromium.CreateBrowser(aParentHandle : HWND;
aParentRect : TRect;
const aWindowName : string;
const aContext : ICefRequestContext;
const aCookiesPath : string;
aPersistSessionCookies : boolean) : boolean;
var
TempCookieManager : ICefCookieManager;
begin
Result := False;
try
// GlobalCEFApp.GlobalContextInitialized has to be TRUE before creating any browser
// even if you use a custom request context.
// If you create a browser in the initialization of your app, make sure you call this
// function when GlobalCEFApp.GlobalContextInitialized is TRUE.
// Use the GlobalCEFApp.OnContextInitialized event to know when
// GlobalCEFApp.GlobalContextInitialized is set to TRUE.
if not(csDesigning in ComponentState) and
not(FClosing) and
(FBrowser = nil) and
(FBrowserId = 0) and
(GlobalCEFApp <> nil) and
GlobalCEFApp.GlobalContextInitialized and
CreateClientHandler(aParentHandle = 0) then
begin
GetSettings(FBrowserSettings);
if FIsOSR then
WindowInfoAsWindowless(FWindowInfo, FCompHandle, aWindowName)
else
WindowInfoAsChild(FWindowInfo, aParentHandle, aParentRect, aWindowName);
if (aContext <> nil) and (length(aCookiesPath) > 0) then
begin
TempCookieManager := aContext.GetDefaultCookieManager(nil);
if (TempCookieManager = nil) or
not(TempCookieManager.SetStoragePath(aCookiesPath, aPersistSessionCookies, nil)) then
OutputDebugMessage('TChromium.CreateBrowser error : cookies cannot be accessed');
end;
if MultithreadApp then
Result := CreateBrowserHost(@FWindowInfo, FDefaultUrl, @FBrowserSettings, aContext)
else
begin
FBrowser := CreateBrowserHostSync(@FWindowInfo, FDefaultUrl, @FBrowserSettings, aContext);
if (FBrowser <> nil) then
begin
FBrowserId := FBrowser.Identifier;
FInitialized := (FBrowserId <> 0);
Result := True;
end;
end;
end;
except
on e : exception do
if CustomExceptionHandler('TChromium.CreateBrowser', e) then raise;
end;
end;
procedure TChromium.InitializeDragAndDrop(const aDropTargetCtrl : TWinControl);
var
TempDropTarget : IDropTarget;
begin
if FIsOSR and
not(FDragAndDropInitialized) and
(FDragDropManager = nil) and
(aDropTargetCtrl <> nil) then
begin
FDropTargetCtrl := aDropTargetCtrl;
FDragDropManager := TCEFDragAndDropMgr.Create;
FDragDropManager.OnDragEnter := DragDropManager_OnDragEnter;
FDragDropManager.OnDragOver := DragDropManager_OnDragOver;
FDragDropManager.OnDragLeave := DragDropManager_OnDragLeave;
FDragDropManager.OnDrop := DragDropManager_OnDrop;
TempDropTarget := TOLEDropTarget.Create(FDragDropManager);
RegisterDragDrop(FDropTargetCtrl.Handle, TempDropTarget);
FDragAndDropInitialized := True;
end;
end;
function TChromium.ShareRequestContext(var aContext : ICefRequestContext;
const aHandler : ICefRequestContextHandler) : boolean;
begin
Result := False;
aContext := nil;
if Initialized then
begin
aContext := TCefRequestContextRef.Shared(FBrowser.Host.RequestContext, aHandler);
Result := (aContext <> nil);
end;
end;
procedure TChromium.ShutdownDragAndDrop;
begin
if FDragAndDropInitialized and (FDropTargetCtrl <> nil) then
begin
RevokeDragDrop(FDropTargetCtrl.Handle);
FDragAndDropInitialized := False;
end;
end;
procedure TChromium.ToMouseEvent(grfKeyState : Longint; pt : TPoint; var aMouseEvent : TCefMouseEvent);
begin
if (FDropTargetCtrl <> nil) then
begin
pt := FDropTargetCtrl.ScreenToClient(pt);
aMouseEvent.x := pt.x;
aMouseEvent.y := pt.y;
aMouseEvent.modifiers := GetCefMouseModifiers(grfKeyState);
end;
end;
procedure TChromium.DragDropManager_OnDragEnter(Sender: TObject; const aDragData : ICefDragData; grfKeyState: Longint; pt: TPoint; var dwEffect: Longint);
var
TempMouseEvent : TCefMouseEvent;
TempAllowedOps : TCefDragOperations;
begin
if (GlobalCEFApp <> nil) then
begin
ToMouseEvent(grfKeyState, pt, TempMouseEvent);
DropEffectToDragOperation(dwEffect, TempAllowedOps);
DeviceToLogical(TempMouseEvent, GlobalCEFApp.DeviceScaleFactor);
DragTargetDragEnter(aDragData, @TempMouseEvent, TempAllowedOps);
DragTargetDragOver(@TempMouseEvent, TempAllowedOps);
DragOperationToDropEffect(FDragOperations, dwEffect);
end;
end;
procedure TChromium.DragDropManager_OnDragOver(Sender: TObject; grfKeyState: Longint; pt: TPoint; var dwEffect: Longint);
var
TempMouseEvent : TCefMouseEvent;
TempAllowedOps : TCefDragOperations;
begin
if (GlobalCEFApp <> nil) then
begin
ToMouseEvent(grfKeyState, pt, TempMouseEvent);
DropEffectToDragOperation(dwEffect, TempAllowedOps);
DeviceToLogical(TempMouseEvent, GlobalCEFApp.DeviceScaleFactor);
DragTargetDragOver(@TempMouseEvent, TempAllowedOps);
DragOperationToDropEffect(FDragOperations, dwEffect);
end;
end;
procedure TChromium.DragDropManager_OnDragLeave(Sender: TObject);
begin
DragTargetDragLeave;
end;
procedure TChromium.DragDropManager_OnDrop(Sender: TObject; grfKeyState: Longint; pt: TPoint; var dwEffect: Longint);
var
TempMouseEvent : TCefMouseEvent;
TempAllowedOps : TCefDragOperations;
begin
if (GlobalCEFApp <> nil) then
begin
ToMouseEvent(grfKeyState, pt, TempMouseEvent);
DropEffectToDragOperation(dwEffect, TempAllowedOps);
DeviceToLogical(TempMouseEvent, GlobalCEFApp.DeviceScaleFactor);
DragTargetDragOver(@TempMouseEvent, TempAllowedOps);
DragTargetDrop(@TempMouseEvent);
DragOperationToDropEffect(FDragOperations, dwEffect);
end;
end;
procedure TChromium.CloseBrowser(aForceClose : boolean);
begin
if Initialized then FBrowser.Host.CloseBrowser(aForceClose);
end;
function TChromium.CreateBrowserHost(aWindowInfo : PCefWindowInfo;
const aURL : ustring;
const aSettings : PCefBrowserSettings;
const aContext : ICefRequestContext): Boolean;
var
TempURL : TCefString;
begin
TempURL := CefString(aURL);
Result := cef_browser_host_create_browser(aWindowInfo, FHandler.Wrap, @TempURL, aSettings, CefGetData(aContext)) <> 0;
end;
function TChromium.CreateBrowserHostSync(aWindowInfo : PCefWindowInfo;
const aURL : ustring;
const aSettings : PCefBrowserSettings;
const aContext : ICefRequestContext): ICefBrowser;
var
TempURL : TCefString;
TempBrowser : PCefBrowser;
begin
TempURL := CefString(aURL);
TempBrowser := cef_browser_host_create_browser_sync(aWindowInfo, FHandler.Wrap, @TempURL, aSettings, CefGetData(aContext));
Result := TCefBrowserRef.UnWrap(TempBrowser);
end;
procedure TChromium.Find(aIdentifier : integer; const aSearchText : ustring; aForward, aMatchCase, aFindNext : Boolean);
begin
if Initialized then FBrowser.Host.Find(aIdentifier, aSearchText, aForward, aMatchCase, aFindNext);
end;
procedure TChromium.StopFinding(aClearSelection : Boolean);
begin
if Initialized then FBrowser.Host.StopFinding(aClearSelection);
end;
procedure TChromium.Print;
begin
if Initialized then FBrowser.Host.Print;
end;
procedure TChromium.PrintToPDF(const aFilePath, aTitle, aURL : ustring);
var
TempSettings : TCefPdfPrintSettings;
begin
if Initialized then
begin
GetPrintPDFSettings(TempSettings, aTitle, aURL);
if (FPDFPrintcb = nil) then FPDFPrintcb := TCefCustomPDFPrintCallBack.Create(self);
FBrowser.Host.PrintToPdf(aFilePath, @TempSettings, FPDFPrintcb);
end;
end;
procedure TChromium.ClipboardCopy;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.Copy;
end;
end;
procedure TChromium.ClipboardPaste;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.Paste;
end;
end;
procedure TChromium.ClipboardCut;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.Cut;
end;
end;
procedure TChromium.ClipboardUndo;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.Undo;
end;
end;
procedure TChromium.ClipboardRedo;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.Redo;
end;
end;
procedure TChromium.ClipboardDel;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.Del;
end;
end;
procedure TChromium.SelectAll;
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.FocusedFrame;
if (TempFrame = nil) then TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.SelectAll;
end;
end;
procedure TChromium.GetPrintPDFSettings(var aSettings : TCefPdfPrintSettings; const aTitle, aURL : string);
begin
if (FPDFPrintOptions <> nil) then
begin
aSettings.header_footer_title := CefString(aTitle);
aSettings.header_footer_url := CefString(aURL);
aSettings.page_width := FPDFPrintOptions.page_width;
aSettings.page_height := FPDFPrintOptions.page_height;
aSettings.scale_factor := FPDFPrintOptions.scale_factor;
aSettings.margin_top := FPDFPrintOptions.margin_top;
aSettings.margin_right := FPDFPrintOptions.margin_right;
aSettings.margin_bottom := FPDFPrintOptions.margin_bottom;
aSettings.margin_left := FPDFPrintOptions.margin_left;
aSettings.margin_type := FPDFPrintOptions.margin_type;
aSettings.header_footer_enabled := FPDFPrintOptions.header_footer_enabled;
aSettings.selection_only := FPDFPrintOptions.selection_only;
aSettings.landscape := FPDFPrintOptions.landscape;
aSettings.backgrounds_enabled := FPDFPrintOptions.backgrounds_enabled;
end;
end;
procedure TChromium.GetSettings(var aSettings : TCefBrowserSettings);
begin
if (FFontOptions <> nil) and (FOptions <> nil) then
begin
aSettings.size := SizeOf(TCefBrowserSettings);
aSettings.windowless_frame_rate := FOptions.WindowlessFrameRate;
aSettings.standard_font_family := CefString(FFontOptions.StandardFontFamily);
aSettings.fixed_font_family := CefString(FFontOptions.FixedFontFamily);
aSettings.serif_font_family := CefString(FFontOptions.SerifFontFamily);
aSettings.sans_serif_font_family := CefString(FFontOptions.SansSerifFontFamily);
aSettings.cursive_font_family := CefString(FFontOptions.CursiveFontFamily);
aSettings.fantasy_font_family := CefString(FFontOptions.FantasyFontFamily);
aSettings.default_font_size := FFontOptions.DefaultFontSize;
aSettings.default_fixed_font_size := FFontOptions.DefaultFixedFontSize;
aSettings.minimum_font_size := FFontOptions.MinimumFontSize;
aSettings.minimum_logical_font_size := FFontOptions.MinimumLogicalFontSize;
aSettings.remote_fonts := FFontOptions.RemoteFonts;
aSettings.default_encoding := CefString(DefaultEncoding);
aSettings.javascript := FOptions.Javascript;
aSettings.javascript_close_windows := FOptions.JavascriptCloseWindows;
aSettings.javascript_access_clipboard := FOptions.JavascriptAccessClipboard;
aSettings.javascript_dom_paste := FOptions.JavascriptDomPaste;
aSettings.plugins := FOptions.Plugins;
aSettings.universal_access_from_file_urls := FOptions.UniversalAccessFromFileUrls;
aSettings.file_access_from_file_urls := FOptions.FileAccessFromFileUrls;
aSettings.web_security := FOptions.WebSecurity;
aSettings.image_loading := FOptions.ImageLoading;
aSettings.image_shrink_standalone_to_fit := FOptions.ImageShrinkStandaloneToFit;
aSettings.text_area_resize := FOptions.TextAreaResize;
aSettings.tab_to_links := FOptions.TabToLinks;
aSettings.local_storage := FOptions.LocalStorage;
aSettings.databases := FOptions.Databases;
aSettings.application_cache := FOptions.ApplicationCache;
aSettings.webgl := FOptions.Webgl;
aSettings.background_color := FOptions.BackgroundColor;
aSettings.accept_language_list := CefString(FOptions.AcceptLanguageList);
end;
end;
procedure TChromium.InitializeSettings(var aSettings : TCefBrowserSettings);
begin
aSettings.size := SizeOf(TCefBrowserSettings);
aSettings.windowless_frame_rate := 30;
aSettings.standard_font_family := CefString('');
aSettings.fixed_font_family := CefString('');
aSettings.serif_font_family := CefString('');
aSettings.sans_serif_font_family := CefString('');
aSettings.cursive_font_family := CefString('');
aSettings.fantasy_font_family := CefString('');
aSettings.default_font_size := 0;
aSettings.default_fixed_font_size := 0;
aSettings.minimum_font_size := 0;
aSettings.minimum_logical_font_size := 0;
aSettings.remote_fonts := STATE_DEFAULT;
aSettings.default_encoding := CefString('');
aSettings.javascript := STATE_DEFAULT;
aSettings.javascript_close_windows := STATE_DEFAULT;
aSettings.javascript_access_clipboard := STATE_DEFAULT;
aSettings.javascript_dom_paste := STATE_DEFAULT;
aSettings.plugins := STATE_DEFAULT;
aSettings.universal_access_from_file_urls := STATE_DEFAULT;
aSettings.file_access_from_file_urls := STATE_DEFAULT;
aSettings.web_security := STATE_DEFAULT;
aSettings.image_loading := STATE_DEFAULT;
aSettings.image_shrink_standalone_to_fit := STATE_DEFAULT;
aSettings.text_area_resize := STATE_DEFAULT;
aSettings.tab_to_links := STATE_DEFAULT;
aSettings.local_storage := STATE_DEFAULT;
aSettings.databases := STATE_DEFAULT;
aSettings.application_cache := STATE_DEFAULT;
aSettings.webgl := STATE_DEFAULT;
aSettings.background_color := 0;
aSettings.accept_language_list := CefString('');
end;
procedure TChromium.LoadURL(const aURL : ustring);
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.LoadUrl(aURL);
end;
end;
procedure TChromium.LoadString(const aString : ustring; const aURL : ustring);
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.LoadString(aString, aURL);
end;
end;
procedure TChromium.LoadRequest(const aRequest: ICefRequest);
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then TempFrame.LoadRequest(aRequest);
end;
end;
procedure TChromium.GoBack;
begin
if Initialized and CanGoBack then FBrowser.GoBack;
end;
procedure TChromium.GoForward;
begin
if Initialized and CanGoForward then FBrowser.GoForward;
end;
procedure TChromium.Reload;
begin
if Initialized then FBrowser.Reload;
end;
procedure TChromium.ReloadIgnoreCache;
begin
if Initialized then FBrowser.ReloadIgnoreCache;
end;
procedure TChromium.StopLoad;
begin
if Initialized then FBrowser.StopLoad;
end;
procedure TChromium.StartDownload(const aURL : ustring);
begin
if Initialized then FBrowser.Host.StartDownload(aURL);
end;
function TChromium.GetIsLoading : boolean;
begin
Result := Initialized and FBrowser.IsLoading;
end;
function TChromium.GetMultithreadApp : boolean;
begin
Result := True;
try
if (GlobalCEFApp <> nil) then Result := GlobalCEFApp.MultiThreadedMessageLoop;
except
on e : exception do
if CustomExceptionHandler('TChromium.GetMultithreadApp', e) then raise;
end;
end;
function TChromium.GetHasDocument : boolean;
begin
Result := Initialized and FBrowser.HasDocument;
end;
function TChromium.GetHasView : boolean;
begin
Result := Initialized and FBrowser.Host.HasView;
end;
function TChromium.GetHasDevTools : boolean;
begin
Result := Initialized and FBrowser.Host.HasDevTools;
end;
function TChromium.GetHasClientHandler : boolean;
begin
Result := (FHandler <> nil);
end;
function TChromium.GetHasBrowser : boolean;
begin
Result := (FBrowser <> nil);
end;
function TChromium.GetWindowHandle : THandle;
begin
if Initialized then
Result := FBrowser.Host.WindowHandle
else
Result := 0;
end;
function TChromium.GetFrameIsFocused : boolean;
begin
Result := Initialized and (FBrowser.FocusedFrame <> nil);
end;
function TChromium.GetWindowlessFrameRate : integer;
begin
if Initialized then
Result := FBrowser.Host.GetWindowlessFrameRate
else
Result := 0;
end;
function TChromium.GetVisibleNavigationEntry : ICefNavigationEntry;
begin
if Initialized then
Result := FBrowser.Host.VisibleNavigationEntry
else
Result := nil;
end;
function TChromium.GetHasValidMainFrame : boolean;
begin
Result := Initialized and (FBrowser.MainFrame <> nil) and FBrowser.MainFrame.IsValid;
end;
function TChromium.GetFrameCount : NativeUInt;
begin
if Initialized then
Result := FBrowser.GetFrameCount
else
Result := 0;
end;
function TChromium.GetRequestContextCache : string;
begin
if Initialized then
Result := FBrowser.host.RequestContext.CachePath
else
if (GlobalCEFApp <> nil) then
Result := GlobalCEFApp.cache
else
Result := '';
end;
function TChromium.GetRequestContextIsGlobal : boolean;
begin
Result := Initialized and FBrowser.host.RequestContext.IsGlobal;
end;
procedure TChromium.SetWindowlessFrameRate(aValue : integer);
begin
if Initialized then FBrowser.Host.SetWindowlessFrameRate(aValue);
end;
function TChromium.GetCanGoBack : boolean;
begin
Result := Initialized and FBrowser.CanGoBack;
end;
function TChromium.GetCanGoForward : boolean;
begin
Result := Initialized and FBrowser.CanGoForward;
end;
function TChromium.GetIsPopUp : boolean;
begin
Result := Initialized and FBrowser.IsPopUp;
end;
function TChromium.GetInitialized : boolean;
begin
Result := FInitialized and not(FClosing) and (FBrowser <> nil);
end;
function TChromium.GetDocumentURL : string;
var
TempFrame : ICefFrame;
begin
Result := '';
if Initialized then
begin
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then Result := TempFrame.URL;
end;
end;
function TChromium.GetZoomLevel : double;
begin
Result := 0;
if Initialized then Result := FBrowser.Host.ZoomLevel;
end;
procedure TChromium.SetZoomLevel(const aValue : double);
begin
if Initialized then FBrowser.Host.ZoomLevel := aValue;
end;
function TChromium.GetZoomPct : double;
begin
Result := power(1.2, ZoomLevel) * 100;
end;
procedure TChromium.SetZoomPct(const aValue : double);
begin
if Initialized and (aValue > 0) then ZoomLevel := LogN(1.2, aValue / 100);
end;
procedure TChromium.ApplyZoomStep;
begin
case FZoomStep of
ZOOM_STEP_25 : ZoomPct := 25;
ZOOM_STEP_33 : ZoomPct := 33;
ZOOM_STEP_50 : ZoomPct := 50;
ZOOM_STEP_67 : ZoomPct := 67;
ZOOM_STEP_75 : ZoomPct := 75;
ZOOM_STEP_90 : ZoomPct := 90;
ZOOM_STEP_100 : ZoomPct := 100;
ZOOM_STEP_110 : ZoomPct := 110;
ZOOM_STEP_125 : ZoomPct := 125;
ZOOM_STEP_150 : ZoomPct := 150;
ZOOM_STEP_175 : ZoomPct := 175;
ZOOM_STEP_200 : ZoomPct := 200;
ZOOM_STEP_250 : ZoomPct := 250;
ZOOM_STEP_300 : ZoomPct := 300;
ZOOM_STEP_400 : ZoomPct := 400;
ZOOM_STEP_500 : ZoomPct := 500;
end;
end;
procedure TChromium.SetZoomStep(aValue : byte);
begin
if Initialized and (aValue in [ZOOM_STEP_MIN..ZOOM_STEP_MAX]) then
begin
FZoomStep := aValue;
ApplyZoomStep;
end;
end;
procedure TChromium.IncZoomStep;
begin
if Initialized and (FZoomStep < ZOOM_STEP_MAX) then
begin
inc(FZoomStep);
ApplyZoomStep;
end;
end;
procedure TChromium.DecZoomStep;
begin
if Initialized and (FZoomStep > ZOOM_STEP_MIN) then
begin
dec(FZoomStep);
ApplyZoomStep;
end;
end;
procedure TChromium.ResetZoomStep;
begin
ZoomStep := ZOOM_STEP_DEF;
end;
procedure TChromium.SetDoNotTrack(aValue : boolean);
begin
if (FDoNotTrack <> aValue) then
begin
FDoNotTrack := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetSendReferrer(aValue : boolean);
begin
if (FSendReferrer <> aValue) then
begin
FSendReferrer := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetHyperlinkAuditing(aValue : boolean);
begin
if (FHyperlinkAuditing <> aValue) then
begin
FHyperlinkAuditing := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetWebRTCIPHandlingPolicy(aValue : TCefWebRTCHandlingPolicy);
begin
if (FWebRTCIPHandlingPolicy <> aValue) then
begin
FWebRTCIPHandlingPolicy := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetWebRTCMultipleRoutes(aValue : TCefState);
begin
if (FWebRTCMultipleRoutes <> aValue) then
begin
FWebRTCMultipleRoutes := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetWebRTCNonProxiedUDP(aValue : TCefState);
begin
if (FWebRTCNonProxiedUDP <> aValue) then
begin
FWebRTCNonProxiedUDP := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetCookiePrefs(aValue : integer);
begin
if (FCookiePrefs <> aValue) then
begin
FCookiePrefs := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetImagesPrefs(aValue : integer);
begin
if (FImagesPrefs <> aValue) then
begin
FImagesPrefs := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetProxyType(aValue : integer);
begin
if (FProxyType <> aValue) then
begin
FProxyType := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetProxyScheme(aValue : TCefProxyScheme);
begin
if (FProxyScheme <> aValue) then
begin
FProxyScheme := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetProxyServer(const aValue : string);
begin
if (FProxyServer <> aValue) then
begin
FProxyServer := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetProxyPort(aValue : integer);
begin
if (FProxyPort <> aValue) then
begin
FProxyPort := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetProxyUsername(const aValue : string);
begin
if (FProxyUsername <> aValue) then
begin
FProxyUsername := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetProxyPassword(const aValue : string);
begin
if (FProxyPassword <> aValue) then
begin
FProxyPassword := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetProxyScriptURL(const aValue : string);
begin
if (FProxyScriptURL <> aValue) then
begin
FProxyScriptURL := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetProxyByPassList(const aValue : string);
begin
if (FProxyByPassList <> aValue) then
begin
FProxyByPassList := aValue;
FUpdatePreferences := True;
end;
end;
procedure TChromium.SetCustomHeaderName(const aValue : string);
begin
if (FCustomHeaderName <> aValue) then
begin
FCustomHeaderName := aValue;
FAddCustomHeader := (length(FCustomHeaderName) > 0) and (length(FCustomHeaderValue) > 0);
end;
end;
procedure TChromium.SetCustomHeaderValue(const aValue : string);
begin
if (FCustomHeaderValue <> aValue) then
begin
FCustomHeaderValue := aValue;
FAddCustomHeader := (length(FCustomHeaderName) > 0) and (length(FCustomHeaderValue) > 0);
end;
end;
procedure TChromium.Internal_GetHTML(const aFrameName : ustring);
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
if (length(aFrameName) > 0) then
TempFrame := FBrowser.GetFrame(aFrameName)
else
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then
begin
if (FVisitor = nil) then FVisitor := TCustomCefStringVisitor.Create(self);
TempFrame.GetSource(FVisitor);
end;
end;
end;
procedure TChromium.Internal_GetHTML(const aFrame : ICefFrame);
begin
if Initialized and (aFrame <> nil) then
begin
if (FVisitor = nil) then FVisitor := TCustomCefStringVisitor.Create(self);
aFrame.GetSource(FVisitor);
end;
end;
procedure TChromium.Internal_GetHTML(const aFrameIdentifier : int64);
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
if (aFrameIdentifier <> 0) then
TempFrame := FBrowser.GetFrameByident(aFrameIdentifier)
else
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then
begin
if (FVisitor = nil) then FVisitor := TCustomCefStringVisitor.Create(self);
TempFrame.GetSource(FVisitor);
end;
end;
end;
procedure TChromium.Internal_GetText(const aFrameName : ustring);
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
if (length(aFrameName) > 0) then
TempFrame := FBrowser.GetFrame(aFrameName)
else
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then
begin
if (FVisitor = nil) then FVisitor := TCustomCefStringVisitor.Create(self);
TempFrame.GetText(FVisitor);
end;
end;
end;
procedure TChromium.Internal_GetText(const aFrame : ICefFrame);
begin
if Initialized and (aFrame <> nil) then
begin
if (FVisitor = nil) then FVisitor := TCustomCefStringVisitor.Create(self);
aFrame.GetText(FVisitor);
end;
end;
procedure TChromium.Internal_GetText(const aFrameIdentifier : int64);
var
TempFrame : ICefFrame;
begin
if Initialized then
begin
if (aFrameIdentifier <> 0) then
TempFrame := FBrowser.GetFrameByident(aFrameIdentifier)
else
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then
begin
if (FVisitor = nil) then FVisitor := TCustomCefStringVisitor.Create(self);
TempFrame.GetText(FVisitor);
end;
end;
end;
function TChromium.DeleteCookies : boolean;
var
TempManager : ICefCookieManager;
begin
Result := False;
if Initialized and (FBrowser.Host <> nil) and (FBrowser.Host.RequestContext <> nil) then
begin
TempManager := FBrowser.Host.RequestContext.GetDefaultCookieManager(nil);
if (TempManager <> nil) then
begin
if (FCookiDeletercb = nil) then FCookiDeletercb := TCefCustomDeleteCookiesCallback.Create(self);
Result := TempManager.DeleteCookies('', '', FCookiDeletercb);
end;
end;
end;
// Leave aFrameName empty to get the HTML source from the main frame
procedure TChromium.RetrieveHTML(const aFrameName : ustring);
var
TempTask: ICefTask;
begin
// Results will be received in the OnTextResultAvailable event of this class
if Initialized then
begin
TempTask := TCefGetHTMLTask.Create(self, aFrameName);
CefPostTask(TID_UI, TempTask);
end;
end;
procedure TChromium.RetrieveHTML(const aFrame : ICefFrame);
var
TempTask: ICefTask;
begin
// Results will be received in the OnTextResultAvailable event of this class
if Initialized then
begin
TempTask := TCefGetHTMLTask.Create(self, aFrame);
CefPostTask(TID_UI, TempTask);
end;
end;
procedure TChromium.RetrieveHTML(const aFrameIdentifier : int64);
var
TempTask: ICefTask;
begin
// Results will be received in the OnTextResultAvailable event of this class
if Initialized then
begin
TempTask := TCefGetHTMLTask.Create(self, aFrameIdentifier);
CefPostTask(TID_UI, TempTask);
end;
end;
// Leave aFrameName empty to get the HTML source from the main frame
procedure TChromium.RetrieveText(const aFrameName : ustring);
var
TempTask: ICefTask;
begin
// Results will be received in the OnTextResultAvailable event of this class
if Initialized then
begin
TempTask := TCefGetTextTask.Create(self, aFrameName);
CefPostTask(TID_UI, TempTask);
end;
end;
procedure TChromium.RetrieveText(const aFrame : ICefFrame);
var
TempTask: ICefTask;
begin
// Results will be received in the OnTextResultAvailable event of this class
if Initialized then
begin
TempTask := TCefGetTextTask.Create(self, aFrame);
CefPostTask(TID_UI, TempTask);
end;
end;
procedure TChromium.RetrieveText(const aFrameIdentifier : int64);
var
TempTask: ICefTask;
begin
// Results will be received in the OnTextResultAvailable event of this class
if Initialized then
begin
TempTask := TCefGetTextTask.Create(self, aFrameIdentifier);
CefPostTask(TID_UI, TempTask);
end;
end;
function TChromium.GetFrameNames(var aFrameNames : TStrings) : boolean;
begin
Result := Initialized and FBrowser.GetFrameNames(aFrameNames);
end;
function TChromium.GetFrameIdentifiers(var aFrameCount : NativeUInt; var aFrameIdentifierArray : TCefFrameIdentifierArray) : boolean;
begin
Result := Initialized and FBrowser.GetFrameIdentifiers(aFrameCount, aFrameIdentifierArray);
end;
procedure TChromium.UpdatePreferences;
var
TempTask: ICefTask;
begin
if Initialized then
begin
TempTask := TCefUpdatePrefsTask.Create(self);
CefPostTask(TID_UI, TempTask);
end;
end;
procedure TChromium.SavePreferences(const aFileName : string);
var
TempTask: ICefTask;
begin
if Initialized and (length(aFileName) > 0) then
begin
FPrefsFileName := aFileName;
TempTask := TCefSavePrefsTask.Create(self);
CefPostTask(TID_UI, TempTask);
end;
end;
function TChromium.SetNewBrowserParent(aNewParentHwnd : HWND) : boolean;
var
TempHandle : HWND;
begin
Result := False;
if Initialized then
begin
TempHandle := FBrowser.Host.WindowHandle;
Result := (TempHandle <> 0) and (SetParent(TempHandle, aNewParentHwnd) <> 0);
end;
end;
procedure TChromium.ResolveHost(const aURL : ustring);
begin
// Results will be received in the OnResolvedHostAvailable event of this class
if Initialized and (length(aURL) > 0) then
begin
if (FResolveHostcb = nil) then FResolveHostcb := TCefCustomResolveCallback.Create(self);
FBrowser.Host.RequestContext.ResolveHost(aURL, FResolveHostcb);
end;
end;
function TChromium.TakeSnapshot(var aBitmap : TBitmap) : boolean;
var
TempHWND : HWND;
TempDC : HDC;
TempRect : TRect;
TempWidth : Integer;
TempHeight : Integer;
begin
Result := False;
if not(FIsOSR) then
begin
TempHWND := GetWindowHandle;
if (TempHWND <> 0) then
begin
{$IFDEF DELPHI16_UP}Winapi.{$ENDIF}Windows.GetClientRect(TempHWND, TempRect);
TempDC := GetDC(TempHWND);
TempWidth := TempRect.Right - TempRect.Left;
TempHeight := TempRect.Bottom - TempRect.Top;
if (aBitmap <> nil) then FreeAndNil(aBitmap);
aBitmap := TBitmap.Create;
aBitmap.Height := TempHeight;
aBitmap.Width := TempWidth;
Result := BitBlt(aBitmap.Canvas.Handle, 0, 0, TempWidth, TempHeight,
TempDC, 0, 0, SRCCOPY);
ReleaseDC(TempHWND, TempDC);
end;
end;
end;
procedure TChromium.SimulateMouseWheel(aDeltaX, aDeltaY : integer);
var
TempEvent : TCefMouseEvent;
begin
if Initialized then
begin
TempEvent.x := 0;
TempEvent.y := 0;
TempEvent.modifiers := EVENTFLAG_NONE;
FBrowser.Host.SendMouseWheelEvent(@TempEvent, aDeltaX, aDeltaY);
end;
end;
procedure TChromium.Internal_UpdatePreferences;
begin
FUpdatePreferences := False;
UpdateProxyPrefs;
UpdatePreference('enable_do_not_track', FDoNotTrack);
UpdatePreference('enable_referrers', FSendReferrer);
UpdatePreference('enable_a_ping', FHyperlinkAuditing);
case FWebRTCIPHandlingPolicy of
hpDefaultPublicAndPrivateInterfaces :
UpdatePreference('webrtc.ip_handling_policy', 'default_public_and_private_interfaces');
hpDefaultPublicInterfaceOnly :
UpdatePreference('webrtc.ip_handling_policy', 'default_public_interface_only');
hpDisableNonProxiedUDP :
UpdatePreference('webrtc.ip_handling_policy', 'disable_non_proxied_udp');
end;
if (FWebRTCMultipleRoutes <> STATE_DEFAULT) then
UpdatePreference('webrtc.multiple_routes_enabled', (FWebRTCMultipleRoutes = STATE_ENABLED));
if (FWebRTCNonProxiedUDP <> STATE_DEFAULT) then
UpdatePreference('webrtc.nonproxied_udp_enabled', (FWebRTCNonProxiedUDP = STATE_ENABLED));
end;
function TChromium.UpdateProxyPrefs : boolean;
var
TempError : ustring;
TempProxy : ICefValue;
TempValue : ICefValue;
TempDict : ICefDictionaryValue;
begin
Result := False;
try
if (FBrowser <> nil) and FBrowser.Host.RequestContext.CanSetPreference('proxy') then
begin
TempProxy := TCefValueRef.New;
TempValue := TCefValueRef.New;
TempDict := TCefDictionaryValueRef.New;
case FProxyType of
CEF_PROXYTYPE_AUTODETECT :
begin
TempValue.SetString('auto_detect');
TempDict.SetValue('mode', TempValue);
end;
CEF_PROXYTYPE_SYSTEM :
begin
TempValue.SetString('system');
TempDict.SetValue('mode', TempValue);
end;
CEF_PROXYTYPE_FIXED_SERVERS :
begin
TempValue.SetString('fixed_servers');
TempDict.SetValue('mode', TempValue);
case FProxyScheme of
psSOCKS4 : TempDict.SetString('server', 'socks4://' + FProxyServer + ':' + inttostr(FProxyPort));
psSOCKS5 : TempDict.SetString('server', 'socks5://' + FProxyServer + ':' + inttostr(FProxyPort));
else TempDict.SetString('server', FProxyServer + ':' + inttostr(FProxyPort));
end;
if (length(FProxyByPassList) > 0) then TempDict.SetString('bypass_list', FProxyByPassList);
end;
CEF_PROXYTYPE_PAC_SCRIPT :
begin
TempValue.SetString('pac_script');
TempDict.SetValue('mode', TempValue);
TempDict.SetString('pac_url', FProxyScriptURL);
end;
else // CEF_PROXYTYPE_DIRECT
begin
TempValue.SetString('direct');
TempDict.SetValue('mode', TempValue);
end;
end;
Result := TempProxy.SetDictionary(TempDict) and
FBrowser.Host.RequestContext.SetPreference('proxy', TempProxy, TempError);
if not(Result) then
OutputDebugMessage('TChromium.UpdateProxyPrefs error : ' + quotedstr(TempError));
end;
except
on e : exception do
if CustomExceptionHandler('TChromium.UpdateProxyPrefs', e) then raise;
end;
end;
function TChromium.UpdatePreference(const aName : string; aValue : boolean) : boolean;
var
TempError : ustring;
TempValue : ICefValue;
begin
Result := False;
try
if (FBrowser <> nil) and FBrowser.Host.RequestContext.CanSetPreference(aName) then
begin
TempValue := TCefValueRef.New;
if aValue then
TempValue.SetBool(1)
else
TempValue.SetBool(0);
Result := FBrowser.Host.RequestContext.SetPreference(aName, TempValue, TempError);
if not(Result) then
OutputDebugMessage('TChromium.UpdatePreference error : ' + quotedstr(TempError));
end;
except
on e : exception do
if CustomExceptionHandler('TChromium.UpdatePreference', e) then raise;
end;
end;
function TChromium.UpdatePreference(const aName : string; aValue : integer) : boolean;
var
TempError : ustring;
TempValue : ICefValue;
begin
Result := False;
try
if (FBrowser <> nil) and FBrowser.Host.RequestContext.CanSetPreference(aName) then
begin
TempValue := TCefValueRef.New;
TempValue.SetInt(aValue);
Result := FBrowser.Host.RequestContext.SetPreference(aName, TempValue, TempError);
if not(Result) then
OutputDebugMessage('TChromium.UpdatePreference error : ' + quotedstr(TempError));
end;
except
on e : exception do
if CustomExceptionHandler('TChromium.UpdatePreference', e) then raise;
end;
end;
function TChromium.UpdatePreference(const aName : string; const aValue : double) : boolean;
var
TempError : ustring;
TempValue : ICefValue;
begin
Result := False;
try
if (FBrowser <> nil) and FBrowser.Host.RequestContext.CanSetPreference(aName) then
begin
TempValue := TCefValueRef.New;
TempValue.SetDouble(aValue);
Result := FBrowser.Host.RequestContext.SetPreference(aName, TempValue, TempError);
if not(Result) then
OutputDebugMessage('TChromium.UpdatePreference error : ' + quotedstr(TempError));
end;
except
on e : exception do
if CustomExceptionHandler('TChromium.UpdatePreference', e) then raise;
end;
end;
function TChromium.UpdatePreference(const aName, aValue : string) : boolean;
var
TempError : ustring;
TempValue : ICefValue;
begin
Result := False;
try
if (FBrowser <> nil) and FBrowser.Host.RequestContext.CanSetPreference(aName) then
begin
TempValue := TCefValueRef.New;
TempValue.SetString(aValue);
Result := FBrowser.Host.RequestContext.SetPreference(aName, TempValue, TempError);
if not(Result) then
OutputDebugMessage('TChromium.UpdatePreference error : ' + quotedstr(TempError));
end;
except
on e : exception do
if CustomExceptionHandler('TChromium.UpdatePreference', e) then raise;
end;
end;
procedure TChromium.HandleNull(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : -null-')
else
aResultSL.Add('-null-');
end;
procedure TChromium.HandleBool(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : ' + BoolToStr(aValue.GetBool, true))
else
aResultSL.Add(BoolToStr(aValue.GetBool, true));
end;
procedure TChromium.HandleInteger(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : ' + IntToStr(aValue.GetInt))
else
aResultSL.Add(IntToStr(aValue.GetInt));
end;
procedure TChromium.HandleDouble(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : ' + FloatToStr(aValue.GetDouble))
else
aResultSL.Add(FloatToStr(aValue.GetDouble));
end;
procedure TChromium.HandleString(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : ' + aValue.GetString)
else
aResultSL.Add(aValue.GetString);
end;
procedure TChromium.HandleBinary(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : -binary-')
else
aResultSL.Add('-binary-');
end;
procedure TChromium.HandleList(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey, TempResult : string;
i, j : integer;
TempList : ICefListValue;
TempValue : ICefValue;
TempSL : TStringList;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
TempList := aValue.GetList;
TempSL := TStringList.Create;
i := 0;
j := TempList.GetSize;
TempResult := '(' + inttostr(j) + '){';
while (i < j) do
begin
TempValue := TempList.GetValue(i);
case TempValue.GetType of
VTYPE_NULL : TempResult := TempResult + '-null-,';
VTYPE_BOOL : TempResult := TempResult + BoolToStr(aValue.GetBool, true) + ',';
VTYPE_INT : TempResult := TempResult + IntToStr(aValue.GetInt) + ',';
VTYPE_DOUBLE : TempResult := TempResult + FloatToStr(aValue.GetDouble) + ',';
VTYPE_STRING : TempResult := TempResult + aValue.GetString + ',';
VTYPE_BINARY : TempResult := TempResult + '-binary-,';
VTYPE_DICTIONARY :
begin
TempSL.Clear;
HandleDictionary(TempValue.GetDictionary, TempSL, '');
TempResult := TempResult + TempSL.CommaText + ',';
end;
VTYPE_LIST :
begin
TempSL.Clear;
HandleList(TempValue, TempSL, '', '');
TempResult := TempResult + TempSL.CommaText + ',';
end;
else TempResult := TempResult + '-invalid-,';
end;
inc(i);
end;
i := length(TempResult);
if (i > 0) and (TempResult[i] = ',') then TempResult := copy(TempResult, 1, pred(i));
TempResult := TempResult + '}';
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : ' + TempResult)
else
aResultSL.Add(TempResult);
TempSL.Free;
end;
procedure TChromium.HandleInvalid(const aValue : ICefValue; var aResultSL : TStringList; const aRoot, aKey : string);
var
TempKey : string;
begin
if (aRoot <> '') then
TempKey := aRoot + '.' + aKey
else
TempKey := aKey;
if (length(TempKey) > 0) then
aResultSL.Add(TempKey + ' : -invalid-')
else
aResultSL.Add('-invalid-');
end;
procedure TChromium.HandleDictionary(const aDict : ICefDictionaryValue; var aResultSL : TStringList; const aRoot : string);
var
TempKeys : TStringList;
i, j : integer;
TempValue : ICefValue;
TempNewKey : string;
begin
TempKeys := nil;
try
try
if (aDict <> nil) then
begin
TempKeys := TStringList.Create;
aDict.GetKeys(TempKeys);
i := 0;
j := TempKeys.Count;
while (i < j) do
begin
TempValue := aDict.GetValue(TempKeys[i]);
case TempValue.GetType of
VTYPE_NULL : HandleNull(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_BOOL : HandleBool(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_INT : HandleInteger(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_DOUBLE : HandleDouble(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_STRING : HandleString(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_BINARY : HandleBinary(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_LIST : HandleList(TempValue, aResultSL, aRoot, TempKeys[i]);
VTYPE_DICTIONARY :
begin
if (length(aRoot) > 0) then
TempNewKey := aRoot + '.' + TempKeys[i]
else
TempNewKey := TempKeys[i];
HandleDictionary(TempValue.GetDictionary, aResultSL, TempNewKey);
end;
else
HandleInvalid(TempValue, aResultSL, aRoot, TempKeys[i]);
end;
inc(i);
end;
end;
except
on e : exception do
if CustomExceptionHandler('TChromium.HandleDictionary', e) then raise;
end;
finally
if (TempKeys <> nil) then TempKeys.Free;
end;
end;
function TChromium.Internal_SavePreferences : boolean;
var
TempDict : ICefDictionaryValue;
TempPrefs : TStringList;
begin
Result := False;
TempPrefs := nil;
try
try
if Initialized then
begin
TempPrefs := TStringList.Create;
TempDict := FBrowser.Host.RequestContext.GetAllPreferences(True);
HandleDictionary(TempDict, TempPrefs, '');
TempPrefs.SaveToFile(FPrefsFileName);
Result := True;
end;
except
on e : exception do
if CustomExceptionHandler('TChromium.Internal_SavePreferences', e) then raise;
end;
finally
SendCompMessage(CEF_PREFERENCES_SAVED, Ord(Result));
if (TempPrefs <> nil) then FreeAndNil(TempPrefs);
end;
end;
procedure TChromium.Internal_ResolvedHostAvailable(result: TCefErrorCode; const resolvedIps: TStrings);
begin
if assigned(FOnResolvedHostAvailable) then FOnResolvedHostAvailable(self, result, resolvedIps);
end;
function TChromium.MustCreateLoadHandler : boolean;
begin
Result := assigned(FOnLoadStart) or
assigned(FOnLoadEnd) or
assigned(FOnLoadError) or
assigned(FOnLoadingStateChange);
end;
function TChromium.MustCreateFocusHandler : boolean;
begin
Result := assigned(FOnTakeFocus) or
assigned(FOnSetFocus) or
assigned(FOnGotFocus);
end;
function TChromium.MustCreateContextMenuHandler : boolean;
begin
Result := assigned(FOnBeforeContextMenu) or
assigned(FOnRunContextMenu) or
assigned(FOnContextMenuCommand) or
assigned(FOnContextMenuDismissed);
end;
function TChromium.MustCreateDialogHandler : boolean;
begin
Result := assigned(FOnFileDialog);
end;
function TChromium.MustCreateKeyboardHandler : boolean;
begin
Result := assigned(FOnPreKeyEvent) or
assigned(FOnKeyEvent);
end;
function TChromium.MustCreateDisplayHandler : boolean;
begin
Result := assigned(FOnAddressChange) or
assigned(FOnTitleChange) or
assigned(FOnFavIconUrlChange) or
assigned(FOnFullScreenModeChange) or
assigned(FOnTooltip) or
assigned(FOnStatusMessage) or
assigned(FOnConsoleMessage) or
assigned(FOnAutoResize);
end;
function TChromium.MustCreateDownloadHandler : boolean;
begin
Result := assigned(FOnBeforeDownload) or
assigned(FOnDownloadUpdated);
end;
function TChromium.MustCreateGeolocationHandler : boolean;
begin
Result := assigned(FOnRequestGeolocationPermission) or
assigned(FOnCancelGeolocationPermission);
end;
function TChromium.MustCreateJsDialogHandler : boolean;
begin
Result := assigned(FOnJsdialog) or
assigned(FOnBeforeUnloadDialog) or
assigned(FOnResetDialogState) or
assigned(FOnDialogClosed);
end;
function TChromium.MustCreateLifeSpanHandler : boolean;
begin
Result := assigned(FOnBeforePopup) or
assigned(FOnAfterCreated) or
assigned(FOnBeforeClose) or
assigned(FOnClose);
end;
function TChromium.MustCreateRequestHandler : boolean;
begin
Result := assigned(FOnBeforeBrowse) or
assigned(FOnOpenUrlFromTab) or
assigned(FOnBeforeResourceLoad) or
assigned(FOnGetResourceHandler) or
assigned(FOnResourceRedirect) or
assigned(FOnResourceResponse) or
assigned(FOnGetResourceResponseFilter) or
assigned(FOnResourceLoadComplete) or
assigned(FOnGetAuthCredentials) or
assigned(FOnQuotaRequest) or
assigned(FOnProtocolExecution) or
assigned(FOnCertificateError) or
assigned(FOnSelectClientCertificate) or
assigned(FOnPluginCrashed) or
assigned(FOnRenderViewReady) or
assigned(FOnRenderProcessTerminated);
end;
function TChromium.MustCreateDragHandler : boolean;
begin
Result := assigned(FOnDragEnter) or
assigned(FOnDraggableRegionsChanged);
end;
function TChromium.MustCreateFindHandler : boolean;
begin
Result := assigned(FOnFindResult);
end;
procedure TChromium.PrefsAvailableMsg(var aMessage : TMessage);
begin
if assigned(FOnPrefsAvailable) then FOnPrefsAvailable(self, (aMessage.WParam <> 0));
end;
function TChromium.SendCompMessage(aMsg : cardinal; wParam : cardinal; lParam : integer) : boolean;
begin
Result := (FCompHandle <> 0) and PostMessage(FCompHandle, aMsg, wParam, lParam);
end;
procedure TChromium.Internal_TextResultAvailable(const aText : string);
begin
if assigned(FOnTextResultAvailable) then FOnTextResultAvailable(self, aText);
end;
procedure TChromium.ExecuteJavaScript(const aCode, aScriptURL, aFrameName : ustring; aStartLine : integer);
var
TempFrame : ICefFrame;
begin
try
if Initialized then
begin
if (length(aFrameName) > 0) then
TempFrame := FBrowser.GetFrame(aFrameName)
else
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then
TempFrame.ExecuteJavaScript(aCode, aScriptURL, aStartLine);
end;
except
on e : exception do
if CustomExceptionHandler('TChromium.ExecuteJavaScript', e) then raise;
end;
end;
procedure TChromium.ExecuteJavaScript(const aCode, aScriptURL : ustring; const aFrame : ICefFrame; aStartLine : integer);
begin
try
if Initialized and (aFrame <> nil) then
aFrame.ExecuteJavaScript(aCode, aScriptURL, aStartLine);
except
on e : exception do
if CustomExceptionHandler('TChromium.ExecuteJavaScript', e) then raise;
end;
end;
procedure TChromium.ExecuteJavaScript(const aCode, aScriptURL : ustring; const aFrameIdentifier : int64; aStartLine : integer = 0);
var
TempFrame : ICefFrame;
begin
try
if Initialized then
begin
if (aFrameIdentifier <> 0) then
TempFrame := FBrowser.GetFrameByident(aFrameIdentifier)
else
TempFrame := FBrowser.MainFrame;
if (TempFrame <> nil) then
TempFrame.ExecuteJavaScript(aCode, aScriptURL, aStartLine);
end;
except
on e : exception do
if CustomExceptionHandler('TChromium.ExecuteJavaScript', e) then raise;
end;
end;
procedure TChromium.Internal_CookiesDeleted(numDeleted : integer);
begin
if assigned(FOnCookiesDeleted) then FOnCookiesDeleted(self, numDeleted);
end;
procedure TChromium.Internal_PdfPrintFinished(aResultOK : boolean);
begin
if assigned(FOnPdfPrintFinished) then FOnPdfPrintFinished(self, aResultOK);
end;
procedure TChromium.ShowDevTools(inspectElementAt: TPoint; const aDevTools : TWinControl);
var
TempPoint : TCefPoint;
begin
if not(Initialized) or HasDevTools then Exit;
InitializeSettings(FDevBrowserSettings);
if (aDevTools <> nil) then
WindowInfoAsChild(FDevWindowInfo, aDevTools.Handle, aDevTools.ClientRect, aDevTools.Name)
else
WindowInfoAsPopUp(FDevWindowInfo, WindowHandle, DEVTOOLS_WINDOWNAME);
if (inspectElementAt.x <> low(integer)) and
(inspectElementAt.y <> low(integer)) then
begin
TempPoint.x := inspectElementAt.x;
TempPoint.y := inspectElementAt.y;
FBrowser.Host.ShowDevTools(@FDevWindowInfo, TCefClientOwn.Create as ICefClient, @FDevBrowserSettings, @TempPoint);
end
else
FBrowser.Host.ShowDevTools(@FDevWindowInfo, TCefClientOwn.Create as ICefClient, @FDevBrowserSettings, nil);
end;
procedure TChromium.CloseDevTools(const aDevTools : TWinControl);
begin
if Initialized then
begin
if (aDevTools <> nil) then
begin
{$IFDEF DELPHI16_UP}
WinApi.Windows.SetParent(GetWindow(aDevTools.Handle, GW_CHILD), 0);
{$ELSE}
Windows.SetParent(GetWindow(aDevTools.Handle, GW_CHILD), 0);
{$ENDIF}
end;
if (FBrowser <> nil) then FBrowser.Host.CloseDevTools;
end;
end;
procedure TChromium.WndProc(var aMessage: TMessage);
begin
case aMessage.Msg of
CEF_PREFERENCES_SAVED : PrefsAvailableMsg(aMessage);
CEF_STARTDRAGGING : DelayedDragging;
else aMessage.Result := DefWindowProc(FCompHandle, aMessage.Msg, aMessage.WParam, aMessage.LParam);
end;
end;
function TChromium.doOnClose(const browser: ICefBrowser): Boolean;
begin
Result := False;
if (browser <> nil) and (FBrowserId = browser.Identifier) then FClosing := True;
if Assigned(FOnClose) then FOnClose(Self, browser, Result);
end;
procedure TChromium.doOnBeforeClose(const browser: ICefBrowser);
begin
if (browser <> nil) and (FBrowserId = browser.Identifier) then
begin
FInitialized := False;
ClearBrowserReference;
DestroyClientHandler;
end;
if Assigned(FOnBeforeClose) then FOnBeforeClose(Self, browser);
end;
procedure TChromium.doOnAddressChange(const browser: ICefBrowser; const frame: ICefFrame; const url: ustring);
begin
if Assigned(FOnAddressChange) then FOnAddressChange(Self, browser, frame, url);
end;
procedure TChromium.doOnAfterCreated(const browser: ICefBrowser);
begin
if MultithreadApp and (FBrowser = nil) then
begin
FBrowser := browser;
if (FBrowser <> nil) then FBrowserId := FBrowser.Identifier;
end;
Internal_UpdatePreferences;
FInitialized := (FBrowser <> nil) and (FBrowserId <> 0);
if Assigned(FOnAfterCreated) then FOnAfterCreated(Self, browser);
end;
function TChromium.doOnBeforeBrowse(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
isRedirect : Boolean): Boolean;
begin
Result := False;
if FUpdatePreferences then Internal_UpdatePreferences;
if Assigned(FOnBeforeBrowse) then FOnBeforeBrowse(Self, browser, frame, request, isRedirect, Result);
end;
procedure TChromium.doOnBeforeContextMenu(const browser : ICefBrowser;
const frame : ICefFrame;
const params : ICefContextMenuParams;
const model : ICefMenuModel);
begin
if Assigned(FOnBeforeContextMenu) then FOnBeforeContextMenu(Self, browser, frame, params, model);
end;
function TChromium.doRunContextMenu(const browser : ICefBrowser;
const frame : ICefFrame;
const params : ICefContextMenuParams;
const model : ICefMenuModel;
const callback : ICefRunContextMenuCallback): Boolean;
begin
Result := False;
if Assigned(FOnRunContextMenu) then FOnRunContextMenu(Self, browser, frame, params, model, callback, Result);
end;
procedure TChromium.doOnBeforeDownload(const browser : ICefBrowser;
const downloadItem : ICefDownloadItem;
const suggestedName : ustring;
const callback : ICefBeforeDownloadCallback);
begin
if Assigned(FOnBeforeDownload) then FOnBeforeDownload(Self, browser, downloadItem, suggestedName, callback);
end;
function TChromium.doOnBeforePopup(const browser : ICefBrowser;
const frame : ICefFrame;
const targetUrl : ustring;
const targetFrameName : ustring;
targetDisposition : TCefWindowOpenDisposition;
userGesture : Boolean;
var popupFeatures : TCefPopupFeatures;
var windowInfo : TCefWindowInfo;
var client : ICefClient;
var settings : TCefBrowserSettings;
var noJavascriptAccess : Boolean): Boolean;
begin
Result := False;
if Assigned(FOnBeforePopup) then
FOnBeforePopup(Self, browser, frame, targetUrl, targetFrameName,
targetDisposition, userGesture, popupFeatures, windowInfo, client,
settings, noJavascriptAccess, Result);
end;
function TChromium.doOnBeforeResourceLoad(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const callback : ICefRequestCallback): TCefReturnValue;
var
TempHeaderMap : ICefStringMultimap;
begin
if FAddCustomHeader then
begin
TempHeaderMap := TCefStringMultimapOwn.Create;
request.GetHeaderMap(TempHeaderMap);
TempHeaderMap.Append(FCustomHeaderName, FCustomHeaderValue);
request.SetHeaderMap(TempHeaderMap);
TempHeaderMap := nil;
end;
if not(FSendReferrer) then request.SetReferrer('', REFERRER_POLICY_NO_REFERRER);
Result := RV_CONTINUE;
if Assigned(FOnBeforeResourceLoad) then FOnBeforeResourceLoad(Self, browser, frame, request, callback, Result);
end;
function TChromium.doOnBeforeUnloadDialog(const browser : ICefBrowser;
const messageText : ustring;
isReload : Boolean;
const callback : ICefJsDialogCallback): Boolean;
begin
Result := False;
if Assigned(FOnBeforeUnloadDialog) then FOnBeforeUnloadDialog(Self, browser, messageText, isReload, callback, Result);
end;
procedure TChromium.doOnCancelGeolocationPermission(const browser : ICefBrowser; requestId : Integer);
begin
if Assigned(FOnCancelGeolocationPermission) then
FOnCancelGeolocationPermission(Self, browser, requestId);
end;
function TChromium.doOnCertificateError(const browser : ICefBrowser;
certError : TCefErrorcode;
const requestUrl : ustring;
const sslInfo : ICefSslInfo;
const callback : ICefRequestCallback): Boolean;
begin
Result := False;
if Assigned(FOnCertificateError) then
FOnCertificateError(Self, browser, certError, requestUrl, sslInfo, callback, Result);
end;
function TChromium.doOnConsoleMessage(const browser : ICefBrowser;
const aMessage : ustring;
const source : ustring;
line : Integer): Boolean;
begin
Result := False;
if Assigned(FOnConsoleMessage) then FOnConsoleMessage(Self, browser, aMessage, source, line, Result);
end;
function TChromium.doOnAutoResize(const browser : ICefBrowser;
const new_size : PCefSize): Boolean;
begin
Result := False;
if Assigned(FOnAutoResize) then FOnAutoResize(Self, browser, new_size, Result);
end;
function TChromium.doOnContextMenuCommand(const browser : ICefBrowser;
const frame : ICefFrame;
const params : ICefContextMenuParams;
commandId : Integer;
eventFlags : TCefEventFlags): Boolean;
begin
Result := False;
if Assigned(FOnContextMenuCommand) then
FOnContextMenuCommand(Self, browser, frame, params, commandId, eventFlags, Result);
end;
procedure TChromium.doOnContextMenuDismissed(const browser: ICefBrowser; const frame: ICefFrame);
begin
if Assigned(FOnContextMenuDismissed) then FOnContextMenuDismissed(Self, browser, frame);
end;
procedure TChromium.doOnCursorChange(const browser : ICefBrowser;
cursor : TCefCursorHandle;
cursorType : TCefCursorType;
const customCursorInfo : PCefCursorInfo);
begin
if assigned(FOnCursorChange) then FOnCursorChange(self, browser, cursor, cursorType, customCursorInfo);
end;
procedure TChromium.doOnDialogClosed(const browser: ICefBrowser);
begin
if Assigned(FOnDialogClosed) then FOnDialogClosed(Self, browser);
end;
procedure TChromium.doOnDownloadUpdated(const browser : ICefBrowser;
const downloadItem : ICefDownloadItem;
const callback : ICefDownloadItemCallback);
begin
if Assigned(FOnDownloadUpdated) then FOnDownloadUpdated(Self, browser, downloadItem, callback);
end;
function TChromium.doOnDragEnter(const browser : ICefBrowser;
const dragData : ICefDragData;
mask : TCefDragOperations): Boolean;
begin
Result := False;
if Assigned(FOnDragEnter) then FOnDragEnter(Self, browser, dragData, mask, Result);
end;
procedure TChromium.doOnDraggableRegionsChanged(const browser : ICefBrowser;
regionsCount : NativeUInt;
regions : PCefDraggableRegionArray);
begin
if Assigned(FOnDraggableRegionsChanged) then FOnDraggableRegionsChanged(Self, browser, regionsCount, regions);
end;
procedure TChromium.doOnFaviconUrlChange(const browser: ICefBrowser; iconUrls: TStrings);
begin
if Assigned(FOnFavIconUrlChange) then FOnFavIconUrlChange(Self, browser, iconUrls);
end;
function TChromium.doOnFileDialog(const browser : ICefBrowser;
mode : TCefFileDialogMode;
const title : ustring;
const defaultFilePath : ustring;
acceptFilters : TStrings;
selectedAcceptFilter : Integer;
const callback : ICefFileDialogCallback): Boolean;
begin
Result := False;
if Assigned(FOnFileDialog) then
FOnFileDialog(Self, browser, mode, title, defaultFilePath, acceptFilters,
selectedAcceptFilter, callback, Result);
end;
procedure TChromium.doOnFindResult(const browser : ICefBrowser;
identifier : integer;
count : Integer;
const selectionRect : PCefRect;
activeMatchOrdinal : Integer;
finalUpdate : Boolean);
begin
if Assigned(FOnFindResult) then
FOnFindResult(Self, browser, identifier, count, selectionRect, activeMatchOrdinal, finalUpdate);
end;
procedure TChromium.doOnFullScreenModeChange(const browser: ICefBrowser; fullscreen: Boolean);
begin
if Assigned(FOnFullScreenModeChange) then FOnFullScreenModeChange(Self, browser, fullscreen);
end;
function TChromium.doOnGetAuthCredentials(const browser : ICefBrowser;
const frame : ICefFrame;
isProxy : Boolean;
const host : ustring;
port : Integer;
const realm : ustring;
const scheme : ustring;
const callback : ICefAuthCallback): Boolean;
begin
Result := False;
if isProxy then
begin
if (FProxyType = CEF_PROXYTYPE_FIXED_SERVERS) and (callback <> nil) then
begin
Result := True;
callback.cont(FProxyUsername, FProxyPassword);
end;
end
else
if (frame <> nil) and frame.IsMain and Assigned(FOnGetAuthCredentials) then
FOnGetAuthCredentials(Self, browser, frame, isProxy, host, port, realm, scheme, callback, Result);
end;
function TChromium.doOnGetResourceHandler(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest): ICefResourceHandler;
begin
Result := nil;
if Assigned(FOnGetResourceHandler) then
FOnGetResourceHandler(Self, browser, frame, request, Result);
end;
procedure TChromium.doOnGetAccessibilityHandler(var aAccessibilityHandler : ICefAccessibilityHandler);
begin
if assigned(FOnGetAccessibilityHandler) then FOnGetAccessibilityHandler(Self, aAccessibilityHandler);
end;
function TChromium.doOnGetRootScreenRect(const browser: ICefBrowser; var rect: TCefRect): Boolean;
begin
Result := False;
if Assigned(FOnGetRootScreenRect) then FOnGetRootScreenRect(Self, browser, rect, Result);
end;
function TChromium.doOnGetScreenInfo(const browser: ICefBrowser; var screenInfo: TCefScreenInfo): Boolean;
begin
Result := False;
if Assigned(FOnGetScreenInfo) then FOnGetScreenInfo(Self, browser, screenInfo, Result);
end;
function TChromium.doOnGetScreenPoint(const browser: ICefBrowser; viewX, viewY: Integer; var screenX, screenY: Integer): Boolean;
begin
Result := False;
if Assigned(FOnGetScreenPoint) then FOnGetScreenPoint(Self, browser, viewX, viewY, screenX, screenY, Result);
end;
function TChromium.doOnGetViewRect(const browser: ICefBrowser; var rect: TCefRect): Boolean;
begin
Result := False;
if Assigned(FOnGetViewRect) then FOnGetViewRect(Self, browser, rect, Result);
end;
procedure TChromium.doOnGotFocus(const browser: ICefBrowser);
begin
if Assigned(FOnGotFocus) then FOnGotFocus(Self, browser)
end;
function TChromium.doOnJsdialog(const browser : ICefBrowser;
const originUrl : ustring;
dialogType : TCefJsDialogType;
const messageText : ustring;
const defaultPromptText : ustring;
const callback : ICefJsDialogCallback;
out suppressMessage : Boolean): Boolean;
begin
Result := False;
if not(Initialized) then
suppressMessage := True
else
begin
suppressMessage := False;
if Assigned(FOnJsdialog) then
FOnJsdialog(Self, browser, originUrl, dialogType, messageText,
defaultPromptText, callback, suppressMessage, Result);
end;
end;
function TChromium.doOnKeyEvent(const browser : ICefBrowser;
const event : PCefKeyEvent;
osEvent : TCefEventHandle): Boolean;
begin
Result := False;
if Assigned(FOnKeyEvent) then FOnKeyEvent(Self, browser, event, osEvent, Result);
end;
procedure TChromium.doOnLoadEnd(const browser : ICefBrowser;
const frame : ICefFrame;
httpStatusCode : Integer);
begin
if Assigned(FOnLoadEnd) then FOnLoadEnd(Self, browser, frame, httpStatusCode);
end;
procedure TChromium.doOnLoadError(const browser : ICefBrowser;
const frame : ICefFrame;
errorCode : Integer;
const errorText : ustring;
const failedUrl : ustring);
begin
if Assigned(FOnLoadError) then FOnLoadError(Self, browser, frame, errorCode, errorText, failedUrl);
end;
procedure TChromium.doOnLoadingStateChange(const browser: ICefBrowser; isLoading, canGoBack, canGoForward: Boolean);
begin
if Assigned(FOnLoadingStateChange) then FOnLoadingStateChange(Self, browser, isLoading, canGoBack, canGoForward);
end;
procedure TChromium.doOnLoadStart(const browser: ICefBrowser; const frame: ICefFrame; transitionType: TCefTransitionType);
begin
if Assigned(FOnLoadStart) then FOnLoadStart(Self, browser, frame, transitionType);
end;
function TChromium.doOnOpenUrlFromTab(const browser : ICefBrowser;
const frame : ICefFrame;
const targetUrl : ustring;
targetDisposition : TCefWindowOpenDisposition;
userGesture : Boolean): Boolean;
begin
Result := False;
if Assigned(FOnOpenUrlFromTab) then
FOnOpenUrlFromTab(Self, browser, frame, targetUrl, targetDisposition, userGesture, Result);
end;
procedure TChromium.doOnPaint(const browser : ICefBrowser;
kind : TCefPaintElementType;
dirtyRectsCount : NativeUInt;
const dirtyRects : PCefRectArray;
const buffer : Pointer;
width : Integer;
height : Integer);
begin
if Assigned(FOnPaint) then FOnPaint(Self, browser, kind, dirtyRectsCount, dirtyRects, buffer, width, height);
end;
function TChromium.doOnSelectClientCertificate(const browser : ICefBrowser;
isProxy : boolean;
const host : ustring;
port : integer;
certificatesCount : NativeUInt;
const certificates : TCefX509CertificateArray;
const callback : ICefSelectClientCertificateCallback): boolean;
begin
Result := False;
if assigned(FOnSelectClientCertificate) then
FOnSelectClientCertificate(self, browser, isProxy, host, port, certificatesCount, certificates, callback, Result);
end;
procedure TChromium.doOnPluginCrashed(const browser: ICefBrowser; const pluginPath: ustring);
begin
if Assigned(FOnPluginCrashed) then FOnPluginCrashed(Self, browser, pluginPath);
end;
procedure TChromium.doOnPopupShow(const browser: ICefBrowser; show: Boolean);
begin
if assigned(FOnPopupShow) then FOnPopupShow(self, browser, show);
end;
procedure TChromium.doOnPopupSize(const browser: ICefBrowser; const rect: PCefRect);
begin
if assigned(FOnPopupSize) then FOnPopupSize(self, browser, rect);
end;
function TChromium.doOnPreKeyEvent(const browser : ICefBrowser;
const event : PCefKeyEvent;
osEvent : TCefEventHandle;
out isKeyboardShortcut : Boolean): Boolean;
begin
Result := False;
if Assigned(FOnPreKeyEvent) then FOnPreKeyEvent(Self, browser, event, osEvent, isKeyboardShortcut, Result);
end;
function TChromium.doOnProcessMessageReceived(const browser : ICefBrowser;
sourceProcess : TCefProcessId;
const aMessage : ICefProcessMessage): Boolean;
begin
Result := False;
if Assigned(FOnProcessMessageReceived) then
FOnProcessMessageReceived(Self, browser, sourceProcess, aMessage, Result);
end;
procedure TChromium.doOnProtocolExecution(const browser : ICefBrowser;
const url : ustring;
out allowOsExecution : Boolean);
begin
if Assigned(FOnProtocolExecution) then FOnProtocolExecution(Self, browser, url, allowOsExecution);
end;
function TChromium.doOnQuotaRequest(const browser : ICefBrowser;
const originUrl : ustring;
newSize : Int64;
const callback : ICefRequestCallback): Boolean;
begin
Result := False;
if Assigned(FOnQuotaRequest) then FOnQuotaRequest(Self, browser, originUrl, newSize, callback, Result);
end;
procedure TChromium.doOnRenderProcessTerminated(const browser: ICefBrowser; status: TCefTerminationStatus);
begin
if Assigned(FOnRenderProcessTerminated) then FOnRenderProcessTerminated(Self, browser, status);
end;
procedure TChromium.doOnRenderViewReady(const browser: ICefBrowser);
begin
if Assigned(FOnRenderViewReady) then FOnRenderViewReady(Self, browser);
end;
function TChromium.doOnRequestGeolocationPermission(const browser : ICefBrowser;
const requestingUrl : ustring;
requestId : Integer;
const callback : ICefGeolocationCallback): Boolean;
begin
Result := False;
if Assigned(FOnRequestGeolocationPermission) then
FOnRequestGeolocationPermission(Self, browser, requestingUrl, requestId, callback, Result);
end;
procedure TChromium.doOnResetDialogState(const browser: ICefBrowser);
begin
if Assigned(FOnResetDialogState) then FOnResetDialogState(Self, browser);
end;
procedure TChromium.doOnResourceRedirect(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const response : ICefResponse;
var newUrl : ustring);
begin
if Assigned(FOnResourceRedirect) then FOnResourceRedirect(Self, browser, frame, request, response, newUrl);
end;
function TChromium.doOnResourceResponse(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const response : ICefResponse): Boolean;
begin
Result := False;
if Assigned(FOnResourceResponse) then FOnResourceResponse(Self, browser, frame, request, response, Result);
end;
function TChromium.doOnGetResourceResponseFilter(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const response : ICefResponse) : ICefResponseFilter;
begin
Result := nil;
if Assigned(FOnGetResourceResponseFilter) then
FOnGetResourceResponseFilter(self, browser, frame, request, response, Result);
end;
procedure TChromium.doOnResourceLoadComplete(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const response : ICefResponse;
status : TCefUrlRequestStatus;
receivedContentLength : Int64);
begin
if Assigned(FOnResourceLoadComplete) then
FOnResourceLoadComplete(self, browser, frame, request, response, status, receivedContentLength);
end;
procedure TChromium.doOnScrollOffsetChanged(const browser: ICefBrowser; x, y: Double);
begin
if Assigned(FOnScrollOffsetChanged) then FOnScrollOffsetChanged(Self, browser, x, y);
end;
procedure TChromium.doOnIMECompositionRangeChanged(const browser : ICefBrowser;
const selected_range : PCefRange;
character_boundsCount : NativeUInt;
const character_bounds : PCefRect);
begin
if assigned(FOnIMECompositionRangeChanged) then
FOnIMECompositionRangeChanged(self, browser, selected_range, character_boundsCount, character_bounds);
end;
function TChromium.doOnSetFocus(const browser: ICefBrowser; source: TCefFocusSource): Boolean;
begin
Result := False;
if Assigned(FOnSetFocus) then FOnSetFocus(Self, browser, source, Result);
end;
function TChromium.doOnStartDragging(const browser : ICefBrowser;
const dragData : ICefDragData;
allowedOps : TCefDragOperations;
x : integer;
y : Integer): Boolean;
begin
Result := False;
if FDragAndDropInitialized and
FDragDropManager.CloneDragData(dragData, allowedOps) then
begin
Result := True;
SendCompMessage(CEF_STARTDRAGGING);
end;
if Assigned(FOnStartDragging) then FOnStartDragging(Self, browser, dragData, allowedOps, x, y, Result);
end;
procedure TChromium.DelayedDragging;
var
TempOperation : TCefDragOperation;
TempPoint : TPoint;
begin
if FDragAndDropInitialized and (FDropTargetCtrl <> nil) and (GlobalCEFApp <> nil) then
begin
FDragOperations := DRAG_OPERATION_NONE;
TempOperation := FDragDropManager.StartDragging;
FDragOperations := DRAG_OPERATION_NONE;
GetCursorPos(TempPoint);
TempPoint := FDropTargetCtrl.ScreenToClient(TempPoint);
DeviceToLogical(TempPoint, GlobalCEFApp.DeviceScaleFactor);
DragSourceEndedAt(TempPoint.x, TempPoint.y, TempOperation);
DragSourceSystemDragEnded;
end;
end;
procedure TChromium.doOnStatusMessage(const browser: ICefBrowser; const value: ustring);
begin
if Assigned(FOnStatusMessage) then FOnStatusMessage(Self, browser, value);
end;
procedure TChromium.doOnTakeFocus(const browser: ICefBrowser; next: Boolean);
begin
if Assigned(FOnTakeFocus) then FOnTakeFocus(Self, browser, next);
end;
procedure TChromium.doOnTitleChange(const browser: ICefBrowser; const title: ustring);
begin
if Assigned(FOnTitleChange) then FOnTitleChange(Self, browser, title);
end;
function TChromium.doOnTooltip(const browser: ICefBrowser; var text: ustring): Boolean;
begin
Result := False;
if Assigned(FOnTooltip) then FOnTooltip(Self, browser, text, Result);
end;
procedure TChromium.doOnUpdateDragCursor(const browser: ICefBrowser; operation: TCefDragOperation);
begin
if FDragAndDropInitialized then FDragOperations := operation;
if Assigned(FOnUpdateDragCursor) then FOnUpdateDragCursor(Self, browser, operation);
end;
function TChromium.GetParentForm : TCustomForm;
var
TempComp : TComponent;
begin
Result := nil;
TempComp := Owner;
while (TempComp <> nil) do
if (TempComp is TCustomForm) then
begin
Result := TCustomForm(TempComp);
exit;
end
else
TempComp := TempComp.owner;
end;
procedure TChromium.MoveFormTo(const x, y: Integer);
var
TempForm : TCustomForm;
TempRect : TRect;
begin
TempForm := GetParentForm;
if (TempForm <> nil) then
begin
TempRect.Left := min(max(x, max(screen.DesktopLeft, 0)), screen.DesktopWidth - TempForm.Width);
TempRect.Top := min(max(y, max(screen.DesktopTop, 0)), screen.DesktopHeight - TempForm.Height);
TempRect.Right := TempRect.Left + TempForm.Width - 1;
TempRect.Bottom := TempRect.Top + TempForm.Height - 1;
TempForm.SetBounds(TempRect.Left, TempRect.Top, TempRect.Right - TempRect.Left + 1, TempRect.Bottom - TempRect.Top + 1);
end;
end;
procedure TChromium.MoveFormBy(const x, y: Integer);
var
TempForm : TCustomForm;
TempRect : TRect;
begin
TempForm := GetParentForm;
if (TempForm <> nil) then
begin
TempRect.Left := min(max(TempForm.Left + x, max(screen.DesktopLeft, 0)), screen.DesktopWidth - TempForm.Width);
TempRect.Top := min(max(TempForm.Top + y, max(screen.DesktopTop, 0)), screen.DesktopHeight - TempForm.Height);
TempRect.Right := TempRect.Left + TempForm.Width - 1;
TempRect.Bottom := TempRect.Top + TempForm.Height - 1;
TempForm.SetBounds(TempRect.Left, TempRect.Top, TempRect.Right - TempRect.Left + 1, TempRect.Bottom - TempRect.Top + 1);
end;
end;
procedure TChromium.ResizeFormWidthTo(const x : Integer);
var
TempForm : TCustomForm;
TempX, TempDeltaX : integer;
begin
TempForm := GetParentForm;
if (TempForm <> nil) then
begin
TempX := max(x, 100);
TempDeltaX := TempForm.Width - TempForm.ClientWidth;
TempForm.Width := TempX + TempDeltaX;
end;
end;
procedure TChromium.ResizeFormHeightTo(const y : Integer);
var
TempForm : TCustomForm;
TempY, TempDeltaY : integer;
begin
TempForm := GetParentForm;
if (TempForm <> nil) then
begin
TempY := max(y, 100);
TempDeltaY := TempForm.Height - TempForm.ClientHeight;
TempForm.Height := TempY + TempDeltaY;
end;
end;
procedure TChromium.SetFormLeftTo(const x : Integer);
var
TempForm : TCustomForm;
begin
TempForm := GetParentForm;
if (TempForm <> nil) then
TempForm.Left := min(max(x, max(screen.DesktopLeft, 0)), screen.DesktopWidth - TempForm.Width);
end;
procedure TChromium.SetFormTopTo(const y : Integer);
var
TempForm : TCustomForm;
begin
TempForm := GetParentForm;
if (TempForm <> nil) then
TempForm.Top := min(max(y, max(screen.DesktopTop, 0)), screen.DesktopHeight - TempForm.Height);
end;
procedure TChromium.WasResized;
begin
if Initialized then FBrowser.Host.WasResized;
end;
procedure TChromium.WasHidden(hidden: Boolean);
begin
if Initialized then FBrowser.Host.WasHidden(hidden);
end;
procedure TChromium.NotifyScreenInfoChanged;
begin
if Initialized then FBrowser.Host.NotifyScreenInfoChanged;
end;
procedure TChromium.NotifyMoveOrResizeStarted;
begin
if Initialized then FBrowser.Host.NotifyMoveOrResizeStarted;
end;
procedure TChromium.Invalidate(kind: TCefPaintElementType);
begin
if Initialized then
begin
if FIsOSR then
FBrowser.Host.Invalidate(kind)
else
InvalidateRect(FBrowser.Host.WindowHandle, nil, False);
end;
end;
procedure TChromium.SendKeyEvent(const event: PCefKeyEvent);
begin
if Initialized then FBrowser.Host.SendKeyEvent(event);
end;
procedure TChromium.SendMouseClickEvent(const event : PCefMouseEvent;
kind : TCefMouseButtonType;
mouseUp : Boolean;
clickCount : Integer);
begin
if Initialized then FBrowser.Host.SendMouseClickEvent(event, kind, mouseUp, clickCount);
end;
procedure TChromium.SendMouseMoveEvent(const event: PCefMouseEvent; mouseLeave: Boolean);
begin
if Initialized then FBrowser.Host.SendMouseMoveEvent(event, mouseLeave);
end;
procedure TChromium.SendMouseWheelEvent(const event: PCefMouseEvent; deltaX, deltaY: Integer);
begin
if Initialized then FBrowser.Host.SendMouseWheelEvent(event, deltaX, deltaY);
end;
procedure TChromium.SendFocusEvent(setFocus: Boolean);
begin
if Initialized then FBrowser.Host.SendFocusEvent(setFocus);
end;
procedure TChromium.SendCaptureLostEvent;
begin
if Initialized then FBrowser.Host.SendCaptureLostEvent;
end;
procedure TChromium.SetFocus(focus: Boolean);
begin
if Initialized then FBrowser.Host.SetFocus(focus);
end;
procedure TChromium.SetAccessibilityState(accessibilityState: TCefState);
begin
if Initialized then FBrowser.Host.SetAccessibilityState(accessibilityState);
end;
function TChromium.SendProcessMessage(targetProcess: TCefProcessId; const ProcMessage: ICefProcessMessage): Boolean;
begin
Result := Initialized and FBrowser.SendProcessMessage(targetProcess, ProcMessage);
end;
procedure TChromium.DragTargetDragEnter(const dragData: ICefDragData; const event: PCefMouseEvent; allowedOps: TCefDragOperations);
begin
if Initialized then FBrowser.Host.DragTargetDragEnter(dragData, event, allowedOps);
end;
procedure TChromium.DragTargetDragOver(const event: PCefMouseEvent; allowedOps: TCefDragOperations);
begin
if Initialized then FBrowser.Host.DragTargetDragOver(event, allowedOps);
end;
procedure TChromium.DragTargetDragLeave;
begin
if Initialized then FBrowser.Host.DragTargetDragLeave;
end;
procedure TChromium.DragTargetDrop(event: PCefMouseEvent);
begin
if Initialized then FBrowser.Host.DragTargetDrop(event);
end;
procedure TChromium.DragSourceEndedAt(x, y: Integer; op: TCefDragOperation);
begin
if Initialized then FBrowser.Host.DragSourceEndedAt(x, y, op);
end;
procedure TChromium.DragSourceSystemDragEnded;
begin
if Initialized then FBrowser.Host.DragSourceSystemDragEnded;
end;
end.
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