CEF4Delphi/source/uCEFCallback.pas
2017-02-05 20:56:46 +01:00

85 lines
2.4 KiB
ObjectPascal

// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF3 to embed a chromium-based
// browser in Delphi applications.
//
// The original license of DCEF3 still applies to CEF4Delphi.
//
// For more information about CEF4Delphi visit :
// https://www.briskbard.com/index.php?lang=en&pageid=cef
//
// Copyright © 2017 Salvador Díaz Fau. All rights reserved.
//
// ************************************************************************
// ************ vvvv Original license and comments below vvvv *************
// ************************************************************************
(*
* Delphi Chromium Embedded 3
*
* Usage allowed under the restrictions of the Lesser GNU General Public License
* or alternatively the restrictions of the Mozilla Public License 1.1
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* Unit owner : Henri Gourvest <hgourvest@gmail.com>
* Web site : http://www.progdigy.com
* Repository : http://code.google.com/p/delphichromiumembedded/
* Group : http://groups.google.com/group/delphichromiumembedded
*
* Embarcadero Technologies, Inc is not permitted to use or redistribute
* this source code without explicit permission.
*
*)
unit uCEFCallback;
{$IFNDEF CPUX64}
{$ALIGN ON}
{$MINENUMSIZE 4}
{$ENDIF}
{$I cef.inc}
interface
uses
uCEFBase, uCEFInterfaces, uCEFTypes;
type
TCefCallbackRef = class(TCefBaseRef, ICefCallback)
protected
procedure Cont;
procedure Cancel;
public
class function UnWrap(data: Pointer): ICefCallback;
end;
implementation
uses
uCEFMiscFunctions, uCEFLibFunctions;
procedure TCefCallbackRef.Cancel;
begin
PCefCallback(FData)^.cancel(PCefCallback(FData));
end;
procedure TCefCallbackRef.Cont;
begin
PCefCallback(FData)^.cont(PCefCallback(FData));
end;
class function TCefCallbackRef.UnWrap(data: Pointer): ICefCallback;
begin
if data <> nil then
Result := Create(data) as ICefCallback else
Result := nil;
end;
end.