mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-15 15:55:56 +01:00
ff05abbe1b
Added try..except blocks to TCustomRequestContextHandler and TCustomResourceRequestHandler events.
689 lines
36 KiB
ObjectPascal
689 lines
36 KiB
ObjectPascal
// ************************************************************************
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// ***************************** CEF4Delphi *******************************
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// ************************************************************************
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//
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// CEF4Delphi is based on DCEF3 which uses CEF to embed a chromium-based
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// browser in Delphi applications.
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//
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// The original license of DCEF3 still applies to CEF4Delphi.
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//
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// For more information about CEF4Delphi visit :
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// https://www.briskbard.com/index.php?lang=en&pageid=cef
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//
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// Copyright © 2021 Salvador Diaz Fau. All rights reserved.
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//
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// ************************************************************************
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// ************ vvvv Original license and comments below vvvv *************
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// ************************************************************************
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(*
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* Delphi Chromium Embedded 3
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*
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* Usage allowed under the restrictions of the Lesser GNU General Public License
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* or alternatively the restrictions of the Mozilla Public License 1.1
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
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* the specific language governing rights and limitations under the License.
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*
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* Unit owner : Henri Gourvest <hgourvest@gmail.com>
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* Web site : http://www.progdigy.com
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* Repository : http://code.google.com/p/delphichromiumembedded/
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* Group : http://groups.google.com/group/delphichromiumembedded
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*
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* Embarcadero Technologies, Inc is not permitted to use or redistribute
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* this source code without explicit permission.
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*
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*)
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unit uCEFResourceRequestHandler;
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{$IFDEF FPC}
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{$MODE OBJFPC}{$H+}
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{$ENDIF}
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{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
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{$MINENUMSIZE 4}
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{$I cef.inc}
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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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TCefResourceRequestHandlerRef = class(TCefBaseRefCountedRef, ICefResourceRequestHandler)
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protected
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procedure GetCookieAccessFilter(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; var aFilter: ICefCookieAccessFilter);
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function OnBeforeResourceLoad(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const callback: ICefRequestCallback): TCefReturnValue;
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procedure GetResourceHandler(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; var aResourceHandler : ICefResourceHandler);
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procedure OnResourceRedirect(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; var newUrl: ustring);
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function OnResourceResponse(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse): Boolean;
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procedure GetResourceResponseFilter(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; var aResponseFilter: ICefResponseFilter);
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procedure OnResourceLoadComplete(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; status: TCefUrlRequestStatus; receivedContentLength: Int64);
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procedure OnProtocolExecution(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; var allowOsExecution: Boolean);
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procedure RemoveReferences;
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public
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class function UnWrap(data: Pointer): ICefResourceRequestHandler;
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end;
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TCefResourceRequestHandlerOwn = class(TCefBaseRefCountedOwn, ICefResourceRequestHandler)
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protected
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procedure GetCookieAccessFilter(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; var aFilter: ICefCookieAccessFilter); virtual;
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function OnBeforeResourceLoad(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const callback: ICefRequestCallback): TCefReturnValue; virtual;
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procedure GetResourceHandler(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; var aResourceHandler : ICefResourceHandler); virtual;
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procedure OnResourceRedirect(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; var newUrl: ustring); virtual;
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function OnResourceResponse(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse): Boolean; virtual;
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procedure GetResourceResponseFilter(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; var aResponseFilter: ICefResponseFilter); virtual;
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procedure OnResourceLoadComplete(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; status: TCefUrlRequestStatus; receivedContentLength: Int64); virtual;
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procedure OnProtocolExecution(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; var allowOsExecution: Boolean); 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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TCustomResourceRequestHandler = class(TCefResourceRequestHandlerOwn)
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protected
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FEvents : Pointer;
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FCookieAccessFilter : ICefCookieAccessFilter;
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procedure GetCookieAccessFilter(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; var aFilter: ICefCookieAccessFilter); override;
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function OnBeforeResourceLoad(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const callback: ICefRequestCallback): TCefReturnValue; override;
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procedure GetResourceHandler(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; var aResourceHandler : ICefResourceHandler); override;
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procedure OnResourceRedirect(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; var newUrl: ustring); override;
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function OnResourceResponse(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse): Boolean; override;
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procedure GetResourceResponseFilter(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; var aResponseFilter: ICefResponseFilter); override;
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procedure OnResourceLoadComplete(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; status: TCefUrlRequestStatus; receivedContentLength: Int64); override;
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procedure OnProtocolExecution(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; var allowOsExecution: Boolean); override;
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procedure InitializeVars;
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public
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constructor Create(const events : IChromiumEvents); reintroduce;
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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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System.SysUtils,
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{$ELSE}
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SysUtils,
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{$ENDIF}
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uCEFMiscFunctions, uCEFLibFunctions, uCEFBrowser, uCEFFrame, uCEFRequest, uCEFRequestCallback,
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uCEFResponse, uCEFResponseFilter, uCEFCookieAccessFilter, uCEFResourceHandler;
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// TCefResourceRequestHandlerOwn
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function cef_resource_request_handler_get_cookie_access_filter(self : PCefResourceRequestHandler;
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browser : PCefBrowser;
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frame : PCefFrame;
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request : PCefRequest): PCefCookieAccessFilter; stdcall;
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var
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TempObject : TObject;
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TempCookieAccessFilter : ICefCookieAccessFilter;
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begin
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Result := nil;
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TempCookieAccessFilter := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefResourceRequestHandlerOwn) then
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try
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TCefResourceRequestHandlerOwn(TempObject).GetCookieAccessFilter(TCefBrowserRef.UnWrap(browser),
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TCefFrameRef.UnWrap(frame),
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TCefRequestRef.UnWrap(request),
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TempCookieAccessFilter);
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Result := CefGetData(TempCookieAccessFilter);
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finally
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TempCookieAccessFilter := nil;
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end;
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end;
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function cef_resource_request_handler_on_before_resource_load(self : PCefResourceRequestHandler;
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browser : PCefBrowser;
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frame : PCefFrame;
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request : PCefRequest;
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callback : PCefRequestCallback): TCefReturnValue; stdcall;
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var
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TempObject : TObject;
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begin
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Result := RV_CONTINUE;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefResourceRequestHandlerOwn) then
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Result := TCefResourceRequestHandlerOwn(TempObject).OnBeforeResourceLoad(TCefBrowserRef.UnWrap(browser),
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TCefFrameRef.UnWrap(frame),
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TCefRequestRef.UnWrap(request),
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TcefRequestCallbackRef.UnWrap(callback));
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end;
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function cef_resource_request_handler_get_resource_handler(self : PCefResourceRequestHandler;
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browser : PCefBrowser;
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frame : PCefFrame;
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request : PCefRequest): PCefResourceHandler; stdcall;
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var
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TempObject : TObject;
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TempResourceHandler : ICefResourceHandler;
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begin
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Result := nil;
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TempResourceHandler := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefResourceRequestHandlerOwn) then
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try
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TCefResourceRequestHandlerOwn(TempObject).GetResourceHandler(TCefBrowserRef.UnWrap(browser),
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TCefFrameRef.UnWrap(frame),
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TCefRequestRef.UnWrap(request),
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TempResourceHandler);
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Result := CefGetData(TempResourceHandler);
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finally
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TempResourceHandler := nil;
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end;
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end;
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procedure cef_resource_request_handler_on_resource_redirect(self : PCefResourceRequestHandler;
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browser : PCefBrowser;
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frame : PCefFrame;
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request : PCefRequest;
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response : PCefResponse;
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new_url : PCefString); stdcall;
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var
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TempURL : ustring;
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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 TCefResourceRequestHandlerOwn) then
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begin
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TempURL := CefStringClearAndGet(new_url);
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TCefResourceRequestHandlerOwn(TempObject).OnResourceRedirect(TCefBrowserRef.UnWrap(browser),
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TCefFrameRef.UnWrap(frame),
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TCefRequestRef.UnWrap(request),
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TCefResponseRef.UnWrap(response),
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TempURL);
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if (new_url <> nil) then new_url^ := CefStringAlloc(TempURL);
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end;
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end;
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function cef_resource_request_handler_on_resource_response(self : PCefResourceRequestHandler;
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browser : PCefBrowser;
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frame : PCefFrame;
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request : PCefRequest;
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response : PCefResponse): 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 TCefResourceRequestHandlerOwn) then
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Result := Ord(TCefResourceRequestHandlerOwn(TempObject).OnResourceResponse(TCefBrowserRef.UnWrap(browser),
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TCefFrameRef.UnWrap(frame),
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TCefRequestRef.UnWrap(request),
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TCefResponseRef.UnWrap(response)));
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end;
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function cef_resource_request_handler_get_resource_response_filter(self : PCefResourceRequestHandler;
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browser : PCefBrowser;
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frame : PCefFrame;
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request : PCefRequest;
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response : PCefResponse): PCefResponseFilter; stdcall;
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var
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TempObject : TObject;
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TempResponseFilter : ICefResponseFilter;
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begin
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Result := nil;
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TempResponseFilter := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefResourceRequestHandlerOwn) then
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try
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TCefResourceRequestHandlerOwn(TempObject).GetResourceResponseFilter(TCefBrowserRef.UnWrap(browser),
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TCefFrameRef.UnWrap(frame),
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TCefRequestRef.UnWrap(request),
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TCefResponseRef.UnWrap(response),
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TempResponseFilter);
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Result := CefGetData(TempResponseFilter);
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finally
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TempResponseFilter := nil;
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end;
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end;
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procedure cef_resource_request_handler_on_resource_load_complete(self : PCefResourceRequestHandler;
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browser : PCefBrowser;
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frame : PCefFrame;
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request : PCefRequest;
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response : PCefResponse;
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status : TCefUrlRequestStatus;
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received_content_length : Int64); 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 TCefResourceRequestHandlerOwn) then
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TCefResourceRequestHandlerOwn(TempObject).OnResourceLoadComplete(TCefBrowserRef.UnWrap(browser),
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TCefFrameRef.UnWrap(frame),
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TCefRequestRef.UnWrap(request),
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TCefResponseRef.UnWrap(response),
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status,
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received_content_length);
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end;
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procedure cef_resource_request_handler_on_protocol_execution(self : PCefResourceRequestHandler;
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browser : PCefBrowser;
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frame : PCefFrame;
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request : PCefRequest;
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allow_os_execution : PInteger); stdcall;
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var
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TempAllow : Boolean;
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TempObject : TObject;
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begin
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TempAllow := allow_os_execution^ <> 0;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefResourceRequestHandlerOwn) then
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TCefResourceRequestHandlerOwn(TempObject).OnProtocolExecution(TCefBrowserRef.UnWrap(browser),
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TCefFrameRef.UnWrap(frame),
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TCefRequestRef.UnWrap(request),
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TempAllow);
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allow_os_execution^ := Ord(TempAllow);
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end;
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constructor TCefResourceRequestHandlerOwn.Create;
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begin
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inherited CreateData(SizeOf(TCefResourceRequestHandler));
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with PCefResourceRequestHandler(FData)^ do
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begin
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get_cookie_access_filter := {$IFDEF FPC}@{$ENDIF}cef_resource_request_handler_get_cookie_access_filter;
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on_before_resource_load := {$IFDEF FPC}@{$ENDIF}cef_resource_request_handler_on_before_resource_load;
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get_resource_handler := {$IFDEF FPC}@{$ENDIF}cef_resource_request_handler_get_resource_handler;
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on_resource_redirect := {$IFDEF FPC}@{$ENDIF}cef_resource_request_handler_on_resource_redirect;
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on_resource_response := {$IFDEF FPC}@{$ENDIF}cef_resource_request_handler_on_resource_response;
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get_resource_response_filter := {$IFDEF FPC}@{$ENDIF}cef_resource_request_handler_get_resource_response_filter;
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on_resource_load_complete := {$IFDEF FPC}@{$ENDIF}cef_resource_request_handler_on_resource_load_complete;
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on_protocol_execution := {$IFDEF FPC}@{$ENDIF}cef_resource_request_handler_on_protocol_execution;
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end;
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end;
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procedure TCefResourceRequestHandlerOwn.GetCookieAccessFilter(const browser : ICefBrowser;
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const frame : ICefFrame;
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const request : ICefRequest;
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var aFilter : ICefCookieAccessFilter);
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begin
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aFilter := nil;
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end;
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function TCefResourceRequestHandlerOwn.OnBeforeResourceLoad(const browser : ICefBrowser;
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const frame : ICefFrame;
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const request : ICefRequest;
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const callback : ICefRequestCallback): TCefReturnValue;
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begin
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Result := RV_CONTINUE;
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end;
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procedure TCefResourceRequestHandlerOwn.GetResourceHandler(const browser : ICefBrowser;
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const frame : ICefFrame;
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const request : ICefRequest;
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var aResourceHandler : ICefResourceHandler);
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begin
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aResourceHandler := nil;
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end;
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procedure TCefResourceRequestHandlerOwn.OnResourceRedirect(const browser : ICefBrowser;
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const frame : ICefFrame;
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const request : ICefRequest;
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const response : ICefResponse;
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var newUrl : ustring);
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begin
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//
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end;
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function TCefResourceRequestHandlerOwn.OnResourceResponse(const browser : ICefBrowser;
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const frame : ICefFrame;
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const request : ICefRequest;
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const response : ICefResponse): Boolean;
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begin
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Result := False;
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end;
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procedure TCefResourceRequestHandlerOwn.GetResourceResponseFilter(const browser : ICefBrowser;
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const frame : ICefFrame;
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const request : ICefRequest;
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const response : ICefResponse;
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var aResponseFilter : ICefResponseFilter);
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begin
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aResponseFilter := nil;
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end;
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procedure TCefResourceRequestHandlerOwn.OnResourceLoadComplete(const browser : ICefBrowser;
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const frame : ICefFrame;
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const request : ICefRequest;
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const response : ICefResponse;
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status : TCefUrlRequestStatus;
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receivedContentLength : Int64);
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begin
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//
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end;
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procedure TCefResourceRequestHandlerOwn.OnProtocolExecution(const browser : ICefBrowser;
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const frame : ICefFrame;
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const request : ICefRequest;
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var allowOsExecution : Boolean);
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begin
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//
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end;
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procedure TCefResourceRequestHandlerOwn.RemoveReferences;
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begin
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//
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end;
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// TCefResourceRequestHandlerRef
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class function TCefResourceRequestHandlerRef.UnWrap(data: Pointer): ICefResourceRequestHandler;
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begin
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if (data <> nil) then
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Result := Create(data) as ICefResourceRequestHandler
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else
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Result := nil;
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end;
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procedure TCefResourceRequestHandlerRef.GetCookieAccessFilter(const browser : ICefBrowser;
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const frame : ICefFrame;
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const request : ICefRequest;
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var aFilter : ICefCookieAccessFilter);
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var
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TempCookieAccessFilter : PCefCookieAccessFilter;
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begin
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TempCookieAccessFilter := PCefResourceRequestHandler(FData)^.get_cookie_access_filter(PCefResourceRequestHandler(FData),
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CefGetData(browser),
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CefGetData(frame),
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CefGetData(request));
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if (TempCookieAccessFilter <> nil) then
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aFilter := TCefCookieAccessFilterRef.UnWrap(TempCookieAccessFilter)
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else
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aFilter := nil;
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end;
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function TCefResourceRequestHandlerRef.OnBeforeResourceLoad(const browser : ICefBrowser;
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const frame : ICefFrame;
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const request : ICefRequest;
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const callback : ICefRequestCallback): TCefReturnValue;
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begin
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Result := PCefResourceRequestHandler(FData)^.on_before_resource_load(PCefResourceRequestHandler(FData),
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CefGetData(browser),
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CefGetData(frame),
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CefGetData(request),
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CefGetData(callback));
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end;
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procedure TCefResourceRequestHandlerRef.GetResourceHandler(const browser : ICefBrowser;
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const frame : ICefFrame;
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const request : ICefRequest;
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var aResourceHandler : ICefResourceHandler);
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var
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TempResourceHandler : PCefResourceHandler;
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begin
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TempResourceHandler := PCefResourceRequestHandler(FData)^.get_resource_handler(PCefResourceRequestHandler(FData),
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CefGetData(browser),
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CefGetData(frame),
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CefGetData(request));
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if (TempResourceHandler <> nil) then
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aResourceHandler := TCefResourceHandlerRef.UnWrap(TempResourceHandler)
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else
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aResourceHandler := nil;
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end;
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procedure TCefResourceRequestHandlerRef.OnResourceRedirect(const browser : ICefBrowser;
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const frame : ICefFrame;
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const request : ICefRequest;
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const response : ICefResponse;
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var newUrl : ustring);
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var
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TempNewURL : TCefString;
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begin
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TempNewURL := CefString(newUrl);
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PCefResourceRequestHandler(FData)^.on_resource_redirect(PCefResourceRequestHandler(FData),
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CefGetData(browser),
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CefGetData(frame),
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CefGetData(request),
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CefGetData(response),
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@TempNewURL);
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newUrl := CefString(@TempNewURL);
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end;
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function TCefResourceRequestHandlerRef.OnResourceResponse(const browser : ICefBrowser;
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const frame : ICefFrame;
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const request : ICefRequest;
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|
const response : ICefResponse): Boolean;
|
|
begin
|
|
Result := (PCefResourceRequestHandler(FData)^.on_resource_response(PCefResourceRequestHandler(FData),
|
|
CefGetData(browser),
|
|
CefGetData(frame),
|
|
CefGetData(request),
|
|
CefGetData(response)) <> 0);
|
|
end;
|
|
|
|
procedure TCefResourceRequestHandlerRef.GetResourceResponseFilter(const browser : ICefBrowser;
|
|
const frame : ICefFrame;
|
|
const request : ICefRequest;
|
|
const response : ICefResponse;
|
|
var aResponseFilter : ICefResponseFilter);
|
|
var
|
|
TempResponseFilter : PCefResponseFilter;
|
|
begin
|
|
TempResponseFilter := PCefResourceRequestHandler(FData)^.get_resource_response_filter(PCefResourceRequestHandler(FData),
|
|
CefGetData(browser),
|
|
CefGetData(frame),
|
|
CefGetData(request),
|
|
CefGetData(response));
|
|
if (TempResponseFilter <> nil) then
|
|
aResponseFilter := TCefResponseFilterRef.UnWrap(TempResponseFilter)
|
|
else
|
|
aResponseFilter := nil;
|
|
end;
|
|
|
|
procedure TCefResourceRequestHandlerRef.OnResourceLoadComplete(const browser : ICefBrowser;
|
|
const frame : ICefFrame;
|
|
const request : ICefRequest;
|
|
const response : ICefResponse;
|
|
status : TCefUrlRequestStatus;
|
|
receivedContentLength : Int64);
|
|
begin
|
|
PCefResourceRequestHandler(FData)^.on_resource_load_complete(PCefResourceRequestHandler(FData),
|
|
CefGetData(browser),
|
|
CefGetData(frame),
|
|
CefGetData(request),
|
|
CefGetData(response),
|
|
status,
|
|
receivedContentLength);
|
|
end;
|
|
|
|
procedure TCefResourceRequestHandlerRef.OnProtocolExecution(const browser : ICefBrowser;
|
|
const frame : ICefFrame;
|
|
const request : ICefRequest;
|
|
var allowOsExecution : Boolean);
|
|
var
|
|
TempAllow : integer;
|
|
begin
|
|
TempAllow := ord(allowOsExecution);
|
|
PCefResourceRequestHandler(FData)^.on_protocol_execution(PCefResourceRequestHandler(FData),
|
|
CefGetData(browser),
|
|
CefGetData(frame),
|
|
CefGetData(request),
|
|
@TempAllow);
|
|
allowOsExecution := TempAllow <> 0;
|
|
end;
|
|
|
|
procedure TCefResourceRequestHandlerRef.RemoveReferences;
|
|
begin
|
|
//
|
|
end;
|
|
|
|
|
|
// TCustomResourceRequestHandler
|
|
|
|
constructor TCustomResourceRequestHandler.Create(const events : IChromiumEvents);
|
|
begin
|
|
inherited Create;
|
|
|
|
InitializeVars;
|
|
|
|
FEvents := Pointer(events);
|
|
|
|
if (events <> nil) and events.MustCreateCookieAccessFilter then
|
|
FCookieAccessFilter := TCustomCookieAccessFilter.Create(events);
|
|
end;
|
|
|
|
procedure TCustomResourceRequestHandler.BeforeDestruction;
|
|
begin
|
|
InitializeVars;
|
|
|
|
inherited BeforeDestruction;
|
|
end;
|
|
|
|
procedure TCustomResourceRequestHandler.RemoveReferences;
|
|
begin
|
|
FEvents := nil;
|
|
|
|
if (FCookieAccessFilter <> nil) then
|
|
FCookieAccessFilter.RemoveReferences;
|
|
end;
|
|
|
|
procedure TCustomResourceRequestHandler.InitializeVars;
|
|
begin
|
|
FCookieAccessFilter := nil;
|
|
FEvents := nil;
|
|
end;
|
|
|
|
procedure TCustomResourceRequestHandler.GetCookieAccessFilter(const browser : ICefBrowser;
|
|
const frame : ICefFrame;
|
|
const request : ICefRequest;
|
|
var aFilter : ICefCookieAccessFilter);
|
|
begin
|
|
if (FCookieAccessFilter <> nil) then
|
|
aFilter := FCookieAccessFilter
|
|
else
|
|
aFilter := nil;
|
|
end;
|
|
|
|
function TCustomResourceRequestHandler.OnBeforeResourceLoad(const browser : ICefBrowser;
|
|
const frame : ICefFrame;
|
|
const request : ICefRequest;
|
|
const callback : ICefRequestCallback): TCefReturnValue;
|
|
begin
|
|
Result := RV_CONTINUE;
|
|
|
|
try
|
|
if (FEvents <> nil) then
|
|
Result := IChromiumEvents(FEvents).doOnBeforeResourceLoad(browser, frame, request, callback);
|
|
except
|
|
on e : exception do
|
|
if CustomExceptionHandler('TCustomResourceRequestHandler.OnBeforeResourceLoad', e) then raise;
|
|
end;
|
|
end;
|
|
|
|
procedure TCustomResourceRequestHandler.GetResourceHandler(const browser : ICefBrowser;
|
|
const frame : ICefFrame;
|
|
const request : ICefRequest;
|
|
var aResourceHandler : ICefResourceHandler);
|
|
begin
|
|
try
|
|
if (FEvents <> nil) then
|
|
IChromiumEvents(FEvents).doOnGetResourceHandler(browser, frame, request, aResourceHandler);
|
|
except
|
|
on e : exception do
|
|
if CustomExceptionHandler('TCustomResourceRequestHandler.GetResourceHandler', e) then raise;
|
|
end;
|
|
end;
|
|
|
|
procedure TCustomResourceRequestHandler.OnResourceRedirect(const browser : ICefBrowser;
|
|
const frame : ICefFrame;
|
|
const request : ICefRequest;
|
|
const response : ICefResponse;
|
|
var newUrl : ustring);
|
|
begin
|
|
try
|
|
if (FEvents <> nil) then
|
|
IChromiumEvents(FEvents).doOnResourceRedirect(browser, frame, request, response, newUrl);
|
|
except
|
|
on e : exception do
|
|
if CustomExceptionHandler('TCustomResourceRequestHandler.OnResourceRedirect', e) then raise;
|
|
end;
|
|
end;
|
|
|
|
function TCustomResourceRequestHandler.OnResourceResponse(const browser : ICefBrowser;
|
|
const frame : ICefFrame;
|
|
const request : ICefRequest;
|
|
const response : ICefResponse): Boolean;
|
|
begin
|
|
Result := False;
|
|
|
|
try
|
|
if (FEvents <> nil) then
|
|
Result := IChromiumEvents(FEvents).doOnResourceResponse(browser, frame, request, response);
|
|
except
|
|
on e : exception do
|
|
if CustomExceptionHandler('TCustomResourceRequestHandler.OnResourceResponse', e) then raise;
|
|
end;
|
|
end;
|
|
|
|
procedure TCustomResourceRequestHandler.GetResourceResponseFilter(const browser : ICefBrowser;
|
|
const frame : ICefFrame;
|
|
const request : ICefRequest;
|
|
const response : ICefResponse;
|
|
var aResponseFilter : ICefResponseFilter);
|
|
begin
|
|
try
|
|
if (FEvents <> nil) then
|
|
IChromiumEvents(FEvents).doOnGetResourceResponseFilter(browser, frame, request, response, aResponseFilter);
|
|
except
|
|
on e : exception do
|
|
if CustomExceptionHandler('TCustomResourceRequestHandler.GetResourceResponseFilter', e) then raise;
|
|
end;
|
|
end;
|
|
|
|
procedure TCustomResourceRequestHandler.OnResourceLoadComplete(const browser : ICefBrowser;
|
|
const frame : ICefFrame;
|
|
const request : ICefRequest;
|
|
const response : ICefResponse;
|
|
status : TCefUrlRequestStatus;
|
|
receivedContentLength : Int64);
|
|
begin
|
|
try
|
|
if (FEvents <> nil) then
|
|
IChromiumEvents(FEvents).doOnResourceLoadComplete(browser, frame, request, response, status, receivedContentLength);
|
|
except
|
|
on e : exception do
|
|
if CustomExceptionHandler('TCustomResourceRequestHandler.OnResourceLoadComplete', e) then raise;
|
|
end;
|
|
end;
|
|
|
|
procedure TCustomResourceRequestHandler.OnProtocolExecution(const browser : ICefBrowser;
|
|
const frame : ICefFrame;
|
|
const request : ICefRequest;
|
|
var allowOsExecution : Boolean);
|
|
begin
|
|
try
|
|
if (FEvents <> nil) then
|
|
IChromiumEvents(FEvents).doOnProtocolExecution(browser, frame, request, allowOsExecution);
|
|
except
|
|
on e : exception do
|
|
if CustomExceptionHandler('TCustomResourceRequestHandler.OnProtocolExecution', e) then raise;
|
|
end;
|
|
end;
|
|
|
|
end.
|