CEF4Delphi/demos/Lazarus_Windows/JavaScript/JSWindowBindingWithObject/uMyV8Accessor.pas
2021-01-01 11:11:30 +01:00

93 lines
2.9 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 uMyV8Accessor;
{$MODE Delphi}
{$I cef.inc}
interface
uses
uCEFv8Value, uCEFv8Accessor, uCEFInterfaces, uCEFTypes;
type
TMyV8Accessor = class(TCefV8AccessorOwn)
protected
FMyVal : ustring;
function Get(const name: ustring; const object_: ICefv8Value; var retval : ICefv8Value; var exception: ustring): Boolean; override;
function Set_(const name: ustring; const object_, value: ICefv8Value; var exception: ustring): Boolean; override;
end;
implementation
function TMyV8Accessor.Get(const name : ustring;
const object_ : ICefv8Value;
var retval : ICefv8Value;
var exception : ustring): Boolean;
begin
if (name = 'myval') then
begin
retval := TCefv8ValueRef.NewString(FMyVal);
Result := True;
end
else
Result := False;
end;
function TMyV8Accessor.Set_(const name : ustring;
const object_ : ICefv8Value;
const value : ICefv8Value;
var exception : ustring): Boolean;
begin
if (name = 'myval') then
begin
if value.IsString then
FMyVal := value.GetStringValue
else
exception := 'Invalid value type';
Result := True;
end
else
Result := False;
end;
end.