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https://github.com/salvadordf/CEF4Delphi.git
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ca8bc9dff4
Added the PDS file to extract the HTML Help files using PasDoc Added more XML documentation Fixed some XML errors. Removed the license copy from the pas units. Updated the LICENSE.md file
520 lines
27 KiB
ObjectPascal
520 lines
27 KiB
ObjectPascal
unit uCEFRequestHandler;
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{$IFDEF FPC}
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{$MODE OBJFPC}{$H+}
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{$ENDIF}
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{$I cef.inc}
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{$IFNDEF TARGET_64BITS}{$ALIGN ON}{$ENDIF}
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{$MINENUMSIZE 4}
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interface
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uses
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uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
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type
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TCefRequestHandlerOwn = class(TCefBaseRefCountedOwn, ICefRequestHandler)
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protected
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function OnBeforeBrowse(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; user_gesture, isRedirect: Boolean): Boolean; virtual;
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function OnOpenUrlFromTab(const browser: ICefBrowser; const frame: ICefFrame; const targetUrl: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean): Boolean; virtual;
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procedure GetResourceRequestHandler(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; is_navigation, is_download: boolean; const request_initiator: ustring; var disable_default_handling: boolean; var aResourceRequestHandler : ICefResourceRequestHandler); virtual;
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function GetAuthCredentials(const browser: ICefBrowser; const originUrl: ustring; isProxy: Boolean; const host: ustring; port: Integer; const realm, scheme: ustring; const callback: ICefAuthCallback): Boolean; virtual;
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function OnCertificateError(const browser: ICefBrowser; certError: TCefErrorcode; const requestUrl: ustring; const sslInfo: ICefSslInfo; const callback: ICefCallback): Boolean; virtual;
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function OnSelectClientCertificate(const browser: ICefBrowser; isProxy: boolean; const host: ustring; port: integer; certificatesCount: NativeUInt; const certificates: TCefX509CertificateArray; const callback: ICefSelectClientCertificateCallback): boolean; virtual;
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procedure OnRenderViewReady(const browser: ICefBrowser); virtual;
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procedure OnRenderProcessTerminated(const browser: ICefBrowser; status: TCefTerminationStatus); virtual;
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procedure OnDocumentAvailableInMainFrame(const browser: ICefBrowser); virtual;
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procedure RemoveReferences; virtual;
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public
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constructor Create; virtual;
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end;
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TCustomRequestHandler = class(TCefRequestHandlerOwn)
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protected
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FEvents : Pointer;
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function OnBeforeBrowse(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; user_gesture, isRedirect: Boolean): Boolean; override;
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function OnOpenUrlFromTab(const browser: ICefBrowser; const frame: ICefFrame; const targetUrl: ustring; targetDisposition: TCefWindowOpenDisposition; userGesture: Boolean): Boolean; override;
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procedure GetResourceRequestHandler(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; is_navigation, is_download: boolean; const request_initiator: ustring; var disable_default_handling: boolean; var aResourceRequestHandler : ICefResourceRequestHandler); override;
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function GetAuthCredentials(const browser: ICefBrowser; const originUrl: ustring; isProxy: Boolean; const host: ustring; port: Integer; const realm, scheme: ustring; const callback: ICefAuthCallback): Boolean; override;
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function OnCertificateError(const browser: ICefBrowser; certError: TCefErrorcode; const requestUrl: ustring; const sslInfo: ICefSslInfo; const callback: ICefCallback): Boolean; override;
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function OnSelectClientCertificate(const browser: ICefBrowser; isProxy: boolean; const host: ustring; port: integer; certificatesCount: NativeUInt; const certificates: TCefX509CertificateArray; const callback: ICefSelectClientCertificateCallback): boolean; override;
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procedure OnRenderViewReady(const browser: ICefBrowser); override;
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procedure OnRenderProcessTerminated(const browser: ICefBrowser; status: TCefTerminationStatus); override;
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procedure OnDocumentAvailableInMainFrame(const browser: ICefBrowser); override;
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public
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constructor Create(const events : IChromiumEvents); reintroduce; virtual;
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procedure BeforeDestruction; override;
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procedure RemoveReferences; override;
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end;
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implementation
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uses
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{$IFDEF DELPHI16_UP}
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{$IFDEF MSWINDOWS}WinApi.Windows,{$ENDIF} System.SysUtils,
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{$ELSE}
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{$IFDEF MSWINDOWS}Windows,{$ENDIF} SysUtils,
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{$ENDIF}
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uCEFMiscFunctions, uCEFLibFunctions, uCEFBrowser, uCEFFrame, uCEFRequest, uCEFCallback,
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uCEFResponse, uCEFAuthCallback, uCEFSslInfo, uCEFSelectClientCertificateCallback, uCEFX509Certificate,
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uCEFApplicationCore;
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function cef_request_handler_on_before_browse(self : PCefRequestHandler;
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browser : PCefBrowser;
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frame : PCefFrame;
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request : PCefRequest;
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user_gesture : Integer;
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isRedirect : Integer): Integer; stdcall;
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var
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TempObject : TObject;
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begin
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Result := Ord(False);
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefRequestHandlerOwn) then
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Result := Ord(TCefRequestHandlerOwn(TempObject).OnBeforeBrowse(TCefBrowserRef.UnWrap(browser),
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TCefFrameRef.UnWrap(frame),
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TCefRequestRef.UnWrap(request),
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user_gesture <> 0,
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isRedirect <> 0));
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end;
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function cef_request_handler_on_open_urlfrom_tab( self : PCefRequestHandler;
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browser : PCefBrowser;
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frame : PCefFrame;
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const target_url : PCefString;
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target_disposition : TCefWindowOpenDisposition;
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user_gesture : Integer): Integer; stdcall;
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var
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TempObject : TObject;
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begin
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Result := Ord(False);
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefRequestHandlerOwn) then
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Result := Ord(TCefRequestHandlerOwn(TempObject).OnOpenUrlFromTab(TCefBrowserRef.UnWrap(browser),
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TCefFrameRef.UnWrap(frame),
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CefString(target_url),
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target_disposition,
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user_gesture <> 0));
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end;
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function cef_request_handler_get_resource_request_handler( self : PCefRequestHandler;
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browser : PCefBrowser;
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frame : PCefFrame;
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request : PCefRequest;
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is_navigation : Integer;
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is_download : Integer;
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const request_initiator : PCefString;
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disable_default_handling : PInteger): PCefResourceRequestHandler; stdcall;
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var
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TempObject : TObject;
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TempDisableDefHandling : boolean;
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TempResourceRequestHandler : ICefResourceRequestHandler;
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begin
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Result := nil;
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TempResourceRequestHandler := nil;
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TempObject := CefGetObject(self);
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TempDisableDefHandling := disable_default_handling^ <> 0;
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if (TempObject <> nil) and (TempObject is TCefRequestHandlerOwn) then
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try
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TCefRequestHandlerOwn(TempObject).GetResourceRequestHandler(TCefBrowserRef.UnWrap(browser),
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TCefFrameRef.UnWrap(frame),
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TCefRequestRef.UnWrap(request),
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is_navigation <> 0,
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is_download <> 0,
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CefString(request_initiator),
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TempDisableDefHandling,
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TempResourceRequestHandler);
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Result := CefGetData(TempResourceRequestHandler);
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disable_default_handling^ := Ord(TempDisableDefHandling);
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finally
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TempResourceRequestHandler := nil;
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end;
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end;
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function cef_request_handler_get_auth_credentials( self : PCefRequestHandler;
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browser : PCefBrowser;
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const origin_url : PCefString;
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isProxy : Integer;
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const host : PCefString;
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port : Integer;
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const realm : PCefString;
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const scheme : PCefString;
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callback : PCefAuthCallback): Integer; stdcall;
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var
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TempObject : TObject;
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begin
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Result := Ord(False);
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefRequestHandlerOwn) then
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Result := Ord(TCefRequestHandlerOwn(TempObject).GetAuthCredentials(TCefBrowserRef.UnWrap(browser),
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CefString(origin_url),
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isProxy <> 0,
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CefString(host),
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port,
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CefString(realm),
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CefString(scheme),
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TCefAuthCallbackRef.UnWrap(callback)));
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end;
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function cef_request_handler_on_certificate_error( self : PCefRequestHandler;
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browser : PCefBrowser;
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cert_error : TCefErrorcode;
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const request_url : PCefString;
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ssl_info : PCefSslInfo;
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callback : PCefCallback): Integer; stdcall;
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var
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TempObject : TObject;
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begin
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Result := Ord(False);
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefRequestHandlerOwn) then
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Result := Ord(TCefRequestHandlerOwn(TempObject).OnCertificateError(TCefBrowserRef.UnWrap(browser),
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cert_error,
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CefString(request_url),
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TCefSslInfoRef.UnWrap(ssl_info),
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TCefCallbackRef.UnWrap(callback)));
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end;
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procedure cef_request_handler_on_render_view_ready(self : PCefRequestHandler;
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browser : PCefBrowser); stdcall;
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var
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TempObject : TObject;
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begin
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefRequestHandlerOwn) then
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TCefRequestHandlerOwn(TempObject).OnRenderViewReady(TCefBrowserRef.UnWrap(browser));
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end;
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procedure cef_request_handler_on_render_process_terminated(self : PCefRequestHandler;
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browser : PCefBrowser;
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status : TCefTerminationStatus); stdcall;
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var
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TempObject : TObject;
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begin
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefRequestHandlerOwn) then
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TCefRequestHandlerOwn(TempObject).OnRenderProcessTerminated(TCefBrowserRef.UnWrap(browser),
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status);
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end;
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procedure cef_request_handler_on_document_available_in_main_frame(self : PCefRequestHandler;
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browser : PCefBrowser); stdcall;
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var
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TempObject : TObject;
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begin
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefRequestHandlerOwn) then
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TCefRequestHandlerOwn(TempObject).OnDocumentAvailableInMainFrame(TCefBrowserRef.UnWrap(browser));
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end;
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function cef_request_handler_on_select_client_certificate( self : PCefRequestHandler;
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browser : PCefBrowser;
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isProxy : integer;
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const host : PCefString;
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port : integer;
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certificatesCount : NativeUInt;
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const certificates : PPCefX509Certificate;
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callback : PCefSelectClientCertificateCallback): integer; stdcall;
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var
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TempCertArray : TCefX509CertificateArray;
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i : NativeUInt;
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TempObject : TObject;
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begin
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TempCertArray := nil;
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Result := Ord(False);
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try
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try
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if (certificatesCount > 0) and (certificates <> nil) then
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begin
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SetLength(TempCertArray, certificatesCount);
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i := 0;
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while (i < certificatesCount) do
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begin
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TempCertArray[i] := TCEFX509CertificateRef.UnWrap(PPointerArray(certificates)^[i]);
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inc(i);
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end;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefRequestHandlerOwn) then
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Result := Ord(TCefRequestHandlerOwn(TempObject).OnSelectClientCertificate(TCefBrowserRef.UnWrap(browser),
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(isProxy <> 0),
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CefString(host),
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port,
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certificatesCount,
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TempCertArray,
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TCefSelectClientCertificateCallbackRef.UnWrap(callback)));
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i := 0;
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while (i < certificatesCount) do
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begin
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TempCertArray[i] := nil;
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inc(i);
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end;
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end;
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except
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on e : exception do
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if CustomExceptionHandler('uCEFRequestHandler.cef_request_handler_on_select_client_certificate', e) then raise;
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end;
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finally
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if (TempCertArray <> nil) then
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begin
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Finalize(TempCertArray);
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TempCertArray := nil;
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end;
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end;
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end;
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constructor TCefRequestHandlerOwn.Create;
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begin
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inherited CreateData(SizeOf(TCefRequestHandler));
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with PCefRequestHandler(FData)^ do
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begin
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on_before_browse := {$IFDEF FPC}@{$ENDIF}cef_request_handler_on_before_browse;
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on_open_urlfrom_tab := {$IFDEF FPC}@{$ENDIF}cef_request_handler_on_open_urlfrom_tab;
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get_resource_request_handler := {$IFDEF FPC}@{$ENDIF}cef_request_handler_get_resource_request_handler;
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get_auth_credentials := {$IFDEF FPC}@{$ENDIF}cef_request_handler_get_auth_credentials;
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on_certificate_error := {$IFDEF FPC}@{$ENDIF}cef_request_handler_on_certificate_error;
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on_select_client_certificate := {$IFDEF FPC}@{$ENDIF}cef_request_handler_on_select_client_certificate;
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on_render_view_ready := {$IFDEF FPC}@{$ENDIF}cef_request_handler_on_render_view_ready;
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on_render_process_terminated := {$IFDEF FPC}@{$ENDIF}cef_request_handler_on_render_process_terminated;
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on_document_available_in_main_frame := {$IFDEF FPC}@{$ENDIF}cef_request_handler_on_document_available_in_main_frame;
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end;
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end;
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function TCefRequestHandlerOwn.GetAuthCredentials(const browser : ICefBrowser;
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const originUrl : ustring;
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isProxy : Boolean;
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const host : ustring;
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port : Integer;
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const realm : ustring;
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const scheme : ustring;
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const callback : ICefAuthCallback): Boolean;
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begin
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Result := False;
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end;
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function TCefRequestHandlerOwn.OnBeforeBrowse(const browser : ICefBrowser;
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const frame : ICefFrame;
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const request : ICefRequest;
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user_gesture : Boolean;
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isRedirect : Boolean): Boolean;
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begin
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Result := False;
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end;
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function TCefRequestHandlerOwn.OnCertificateError(const browser : ICefBrowser;
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certError : TCefErrorcode;
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const requestUrl : ustring;
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const sslInfo : ICefSslInfo;
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const callback : ICefCallback): Boolean;
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begin
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Result := False;
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end;
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function TCefRequestHandlerOwn.OnSelectClientCertificate(const browser : ICefBrowser;
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isProxy : boolean;
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const host : ustring;
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port : integer;
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certificatesCount : NativeUInt;
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const certificates : TCefX509CertificateArray;
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const callback : ICefSelectClientCertificateCallback): boolean;
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begin
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Result := False;
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end;
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function TCefRequestHandlerOwn.OnOpenUrlFromTab(const browser : ICefBrowser;
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const frame : ICefFrame;
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const targetUrl : ustring;
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targetDisposition : TCefWindowOpenDisposition;
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userGesture : Boolean): Boolean;
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begin
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Result := False;
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end;
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procedure TCefRequestHandlerOwn.GetResourceRequestHandler(const browser : ICefBrowser;
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const frame : ICefFrame;
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const request : ICefRequest;
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is_navigation : boolean;
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is_download : boolean;
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const request_initiator : ustring;
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var disable_default_handling : boolean;
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var aResourceRequestHandler : ICefResourceRequestHandler);
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begin
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aResourceRequestHandler := nil;
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end;
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procedure TCefRequestHandlerOwn.OnRenderProcessTerminated(const browser : ICefBrowser;
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status : TCefTerminationStatus);
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begin
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//
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end;
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procedure TCefRequestHandlerOwn.OnDocumentAvailableInMainFrame(const browser: ICefBrowser);
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begin
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//
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end;
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procedure TCefRequestHandlerOwn.OnRenderViewReady(const browser: ICefBrowser);
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begin
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//
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end;
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procedure TCefRequestHandlerOwn.RemoveReferences;
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begin
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//
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end;
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// TCustomRequestHandler
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constructor TCustomRequestHandler.Create(const events : IChromiumEvents);
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begin
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inherited Create;
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FEvents := Pointer(events);
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end;
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procedure TCustomRequestHandler.BeforeDestruction;
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begin
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FEvents := nil;
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inherited BeforeDestruction;
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end;
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procedure TCustomRequestHandler.RemoveReferences;
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begin
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FEvents := nil;
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end;
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function TCustomRequestHandler.GetAuthCredentials(const browser : ICefBrowser;
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const originUrl : ustring;
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isProxy : Boolean;
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const host : ustring;
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port : Integer;
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const realm : ustring;
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const scheme : ustring;
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const callback : ICefAuthCallback): Boolean;
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begin
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if (FEvents <> nil) then
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Result := IChromiumEvents(FEvents).doOnGetAuthCredentials(browser, originUrl, isProxy, host, port, realm, scheme, callback)
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else
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Result := inherited GetAuthCredentials(browser, originUrl, isProxy, host, port, realm, scheme, callback);
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end;
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function TCustomRequestHandler.OnBeforeBrowse(const browser : ICefBrowser;
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const frame : ICefFrame;
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const request : ICefRequest;
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user_gesture : Boolean;
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isRedirect : Boolean): Boolean;
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begin
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if (FEvents <> nil) then
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Result := IChromiumEvents(FEvents).doOnBeforeBrowse(browser, frame, request, user_gesture, isRedirect)
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else
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Result := inherited OnBeforeBrowse(browser, frame, request, user_gesture, isRedirect);
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end;
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function TCustomRequestHandler.OnCertificateError(const browser : ICefBrowser;
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certError : TCefErrorcode;
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const requestUrl : ustring;
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const sslInfo : ICefSslInfo;
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const callback : ICefCallback): Boolean;
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begin
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if (FEvents <> nil) then
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Result := IChromiumEvents(FEvents).doOnCertificateError(browser, certError, requestUrl, sslInfo, callback)
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else
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Result := inherited OnCertificateError(browser, certError, requestUrl, sslInfo, callback);
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end;
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function TCustomRequestHandler.OnOpenUrlFromTab(const browser : ICefBrowser;
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const frame : ICefFrame;
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const targetUrl : ustring;
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targetDisposition : TCefWindowOpenDisposition;
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userGesture : Boolean): Boolean;
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begin
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if (FEvents <> nil) then
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Result := IChromiumEvents(FEvents).doOnOpenUrlFromTab(browser, frame, targetUrl, targetDisposition, userGesture)
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else
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Result := inherited OnOpenUrlFromTab(browser, frame, targetUrl, targetDisposition, userGesture);
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end;
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procedure TCustomRequestHandler.GetResourceRequestHandler(const browser : ICefBrowser;
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const frame : ICefFrame;
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const request : ICefRequest;
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is_navigation : boolean;
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is_download : boolean;
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const request_initiator : ustring;
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var disable_default_handling : boolean;
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var aResourceRequestHandler : ICefResourceRequestHandler);
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begin
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if (FEvents <> nil) then
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IChromiumEvents(FEvents).doGetResourceRequestHandler_ReqHdlr(browser,
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frame,
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request,
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is_navigation,
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is_download,
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request_initiator,
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disable_default_handling,
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aResourceRequestHandler)
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else
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inherited GetResourceRequestHandler(browser,
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frame,
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request,
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is_navigation,
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is_download,
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request_initiator,
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disable_default_handling,
|
|
aResourceRequestHandler);
|
|
end;
|
|
|
|
function TCustomRequestHandler.OnSelectClientCertificate(const browser : ICefBrowser;
|
|
isProxy : boolean;
|
|
const host : ustring;
|
|
port : integer;
|
|
certificatesCount : NativeUInt;
|
|
const certificates : TCefX509CertificateArray;
|
|
const callback : ICefSelectClientCertificateCallback): boolean;
|
|
begin
|
|
if (FEvents <> nil) then
|
|
Result := IChromiumEvents(FEvents).doOnSelectClientCertificate(browser, isProxy, host, port, certificatesCount, certificates, callback)
|
|
else
|
|
Result := inherited OnSelectClientCertificate(browser, isProxy, host, port, certificatesCount, certificates, callback);
|
|
end;
|
|
|
|
procedure TCustomRequestHandler.OnRenderProcessTerminated(const browser: ICefBrowser; status: TCefTerminationStatus);
|
|
begin
|
|
if (FEvents <> nil) then
|
|
IChromiumEvents(FEvents).doOnRenderProcessTerminated(browser, status);
|
|
end;
|
|
|
|
procedure TCustomRequestHandler.OnDocumentAvailableInMainFrame(const browser: ICefBrowser);
|
|
begin
|
|
if (FEvents <> nil) then
|
|
IChromiumEvents(FEvents).doOnDocumentAvailableInMainFrame(browser);
|
|
end;
|
|
|
|
procedure TCustomRequestHandler.OnRenderViewReady(const browser: ICefBrowser);
|
|
begin
|
|
if (FEvents <> nil) then
|
|
IChromiumEvents(FEvents).doOnRenderViewReady(browser);
|
|
end;
|
|
|
|
end.
|