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CEF4Delphi/source/uCEFLayout.pas
2021-01-01 11:11:30 +01:00

100 lines
2.8 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 © 2021 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 uCEFLayout;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
{$I cef.inc}
interface
uses
{$IFDEF DELPHI16_UP}
System.Classes, System.SysUtils,
{$ELSE}
Classes, SysUtils,
{$ENDIF}
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
type
TCefLayoutRef = class(TCefBaseRefCountedRef, ICefLayout)
protected
function AsBoxLayout : ICefBoxLayout;
function AsFillLayout : ICefFillLayout;
function IsValid : boolean;
public
class function UnWrap(data: Pointer): ICefLayout;
end;
implementation
uses
uCEFLibFunctions, uCEFBoxLayout, uCEFFillLayout;
function TCefLayoutRef.AsBoxLayout : ICefBoxLayout;
begin
Result := TCefBoxLayoutRef.UnWrap(PCefLayout(FData)^.as_box_layout(PCefLayout(FData)));
end;
function TCefLayoutRef.AsFillLayout : ICefFillLayout;
begin
Result := TCefFillLayoutRef.UnWrap(PCefLayout(FData)^.as_fill_layout(PCefLayout(FData)));
end;
function TCefLayoutRef.IsValid : boolean;
begin
Result := (PCefLayout(FData)^.is_valid(PCefLayout(FData)) <> 0);
end;
class function TCefLayoutRef.UnWrap(data: Pointer): ICefLayout;
begin
if (data <> nil) then
Result := Create(data) as ICefLayout
else
Result := nil;
end;
end.