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CEF4Delphi/source/uCEFCookieAccessFilter.pas
Salvador Díaz Fau fd1e936198 Update to CEF 79.0.10
- Removed CEFSentinel from some demos because it's no longer necessary.
- Updated copyright year.
2020-01-01 12:48:10 +01:00

248 lines
9.7 KiB
ObjectPascal

// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF 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 © 2020 Salvador Diaz 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 uCEFCookieAccessFilter;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
{$I cef.inc}
interface
uses
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
type
TCefCookieAccessFilterRef = class(TCefBaseRefCountedRef, ICefCookieAccessFilter)
protected
function CanSendCookie(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const cookie: PCefCookie): boolean;
function CanSaveCookie(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; const cookie: PCefCookie): boolean;
procedure RemoveReferences;
public
class function UnWrap(data: Pointer): ICefCookieAccessFilter;
end;
TCefCookieAccessFilterOwn = class(TCefBaseRefCountedOwn, ICefCookieAccessFilter)
protected
function CanSendCookie(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const cookie: PCefCookie): boolean; virtual;
function CanSaveCookie(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; const cookie: PCefCookie): boolean; virtual;
procedure RemoveReferences; virtual;
public
constructor Create; virtual;
end;
TCustomCookieAccessFilter = class(TCefCookieAccessFilterOwn)
protected
FEvents : Pointer;
function CanSendCookie(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const cookie: PCefCookie): boolean; override;
function CanSaveCookie(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; const cookie: PCefCookie): boolean; override;
public
constructor Create(const events : IChromiumEvents); reintroduce;
procedure BeforeDestruction; override;
procedure RemoveReferences; override;
end;
implementation
uses
{$IFDEF DELPHI16_UP}
System.SysUtils,
{$ELSE}
SysUtils,
{$ENDIF}
uCEFMiscFunctions, uCEFLibFunctions, uCEFBrowser, uCEFFrame, uCEFRequest, uCefResponse, uCEFRequestCallback;
// TCefCookieAccessFilterOwn
function cef_cookie_access_filter_can_send_cookie( self : PCefCookieAccessFilter;
browser : PCefBrowser;
frame : PCefFrame;
request : PCefRequest;
const cookie : PCefCookie): Integer; stdcall;
var
TempObject : TObject;
begin
Result := Ord(True);
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefCookieAccessFilterOwn) then
Result := Ord(TCefCookieAccessFilterOwn(TempObject).CanSendCookie(TCefBrowserRef.UnWrap(browser),
TCefFrameRef.UnWrap(frame),
TCefRequestRef.UnWrap(request),
cookie));
end;
function cef_cookie_access_filter_can_save_cookie( self : PCefCookieAccessFilter;
browser : PCefBrowser;
frame : PCefFrame;
request : PCefRequest;
response : PCefResponse;
const cookie : PCefCookie): Integer; stdcall;
var
TempObject : TObject;
begin
Result := Ord(True);
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefCookieAccessFilterOwn) then
Result := Ord(TCefCookieAccessFilterOwn(TempObject).CanSaveCookie(TCefBrowserRef.UnWrap(browser),
TCefFrameRef.UnWrap(frame),
TCefRequestRef.UnWrap(request),
TCefResponseRef.UnWrap(response),
cookie));
end;
constructor TCefCookieAccessFilterOwn.Create;
begin
inherited CreateData(SizeOf(TCefCookieAccessFilter));
with PCefCookieAccessFilter(FData)^ do
begin
can_send_cookie := {$IFDEF FPC}@{$ENDIF}cef_cookie_access_filter_can_send_cookie;
can_save_cookie := {$IFDEF FPC}@{$ENDIF}cef_cookie_access_filter_can_save_cookie;
end;
end;
function TCefCookieAccessFilterOwn.CanSendCookie(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const cookie: PCefCookie): boolean;
begin
Result := True;
end;
function TCefCookieAccessFilterOwn.CanSaveCookie(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; const cookie: PCefCookie): boolean;
begin
Result := True;
end;
procedure TCefCookieAccessFilterOwn.RemoveReferences;
begin
//
end;
// TCefCookieAccessFilterRef
class function TCefCookieAccessFilterRef.UnWrap(data: Pointer): ICefCookieAccessFilter;
begin
if (data <> nil) then
Result := Create(data) as ICefCookieAccessFilter
else
Result := nil;
end;
function TCefCookieAccessFilterRef.CanSendCookie(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const cookie: PCefCookie): boolean;
begin
Result := (PCefCookieAccessFilter(FData)^.can_send_cookie(PCefCookieAccessFilter(FData),
CefGetData(browser),
CefGetData(frame),
CefGetData(request),
cookie) <> 0);
end;
function TCefCookieAccessFilterRef.CanSaveCookie(const browser: ICefBrowser; const frame: ICefFrame; const request: ICefRequest; const response: ICefResponse; const cookie: PCefCookie): boolean;
begin
Result := (PCefCookieAccessFilter(FData)^.can_save_cookie(PCefCookieAccessFilter(FData),
CefGetData(browser),
CefGetData(frame),
CefGetData(request),
CefGetData(response),
cookie) <> 0);
end;
procedure TCefCookieAccessFilterRef.RemoveReferences;
begin
//
end;
// TCustomCookieAccessFilter
constructor TCustomCookieAccessFilter.Create(const events : IChromiumEvents);
begin
inherited Create;
FEvents := Pointer(events);
end;
procedure TCustomCookieAccessFilter.BeforeDestruction;
begin
FEvents := nil;
inherited BeforeDestruction;
end;
procedure TCustomCookieAccessFilter.RemoveReferences;
begin
FEvents := nil;
end;
function TCustomCookieAccessFilter.CanSendCookie(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const cookie : PCefCookie): boolean;
begin
if (FEvents <> nil) then
Result := IChromiumEvents(FEvents).doCanSendCookie(browser, frame, request, cookie)
else
Result := inherited CanSendCookie(browser, frame, request, cookie);
end;
function TCustomCookieAccessFilter.CanSaveCookie(const browser : ICefBrowser;
const frame : ICefFrame;
const request : ICefRequest;
const response : ICefResponse;
const cookie : PCefCookie): boolean;
begin
if (FEvents <> nil) then
Result := IChromiumEvents(FEvents).doCanSaveCookie(browser, frame, request, response, cookie)
else
Result := inherited CanSaveCookie(browser, frame, request, response, cookie);
end;
end.