mirror of
https://github.com/salvadordf/CEF4Delphi.git
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177 lines
5.8 KiB
ObjectPascal
177 lines
5.8 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 CEF3 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 © 2018 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 uCEFv8Accessor;
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{$IFDEF FPC}
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{$MODE OBJFPC}{$H+}
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{$ENDIF}
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{$IFNDEF CPUX64}
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{$ALIGN ON}
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{$MINENUMSIZE 4}
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{$ENDIF}
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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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TCefV8AccessorOwn = class(TCefBaseRefCountedOwn, ICefV8Accessor)
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protected
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function Get(const name: ustring; const obj: ICefv8Value; out retval: ICefv8Value; var exception: ustring): Boolean; virtual;
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function Put(const name: ustring; const obj, value: ICefv8Value; var exception: ustring): Boolean; virtual;
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public
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constructor Create; virtual;
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end;
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TCefFastV8Accessor = class(TCefV8AccessorOwn)
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protected
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FGetter: TCefV8AccessorGetterProc;
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FSetter: TCefV8AccessorSetterProc;
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function Get(const name: ustring; const obj: ICefv8Value; out retval: ICefv8Value; var exception: ustring): Boolean; override;
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function Put(const name: ustring; const obj, value: ICefv8Value; var exception: ustring): Boolean; override;
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public
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constructor Create(const getter: TCefV8AccessorGetterProc; const setter: TCefV8AccessorSetterProc); reintroduce;
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end;
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implementation
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uses
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uCEFMiscFunctions, uCEFLibFunctions, uCEFv8Value;
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function cef_v8_accessor_get( self : PCefV8Accessor;
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const name : PCefString;
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obj : PCefv8Value;
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out retval : PCefv8Value;
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exception : PCefString): Integer; stdcall;
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var
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ret : ICefv8Value;
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TempExcept : ustring;
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TempObject : TObject;
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begin
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Result := Ord(False);
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TempExcept := CefString(exception);
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefV8AccessorOwn) then
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Result := Ord(TCefV8AccessorOwn(TempObject).Get(CefString(name),
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TCefv8ValueRef.UnWrap(obj),
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ret,
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TempExcept));
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retval := CefGetData(ret);
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exception^ := CefString(TempExcept);
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end;
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function cef_v8_accessor_put( self : PCefV8Accessor;
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const name : PCefString;
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obj : PCefv8Value;
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value : PCefv8Value;
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exception : PCefString): Integer; stdcall;
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var
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TempExcept : ustring;
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TempObject : TObject;
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begin
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Result := Ord(False);
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TempExcept := CefString(exception);
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefV8AccessorOwn) then
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Result := Ord(TCefV8AccessorOwn(TempObject).Put(CefString(name),
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TCefv8ValueRef.UnWrap(obj),
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TCefv8ValueRef.UnWrap(value),
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TempExcept));
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exception^ := CefString(TempExcept);
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end;
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// TCefV8AccessorOwn
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constructor TCefV8AccessorOwn.Create;
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begin
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inherited CreateData(SizeOf(TCefV8Accessor));
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with PCefV8Accessor(FData)^ do
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begin
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get := {$IFDEF FPC}@{$ENDIF}cef_v8_accessor_get;
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put := {$IFDEF FPC}@{$ENDIF}cef_v8_accessor_put;
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end;
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end;
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function TCefV8AccessorOwn.Get(const name: ustring; const obj: ICefv8Value; out retval: ICefv8Value; var exception: ustring): Boolean;
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begin
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Result := False;
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end;
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function TCefV8AccessorOwn.Put(const name: ustring; const obj, value: ICefv8Value; var exception: ustring): Boolean;
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begin
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Result := False;
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end;
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// TCefFastV8Accessor
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constructor TCefFastV8Accessor.Create(const getter: TCefV8AccessorGetterProc; const setter: TCefV8AccessorSetterProc);
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begin
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FGetter := getter;
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FSetter := setter;
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end;
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function TCefFastV8Accessor.Get(const name: ustring; const obj: ICefv8Value; out retval: ICefv8Value; var exception: ustring): Boolean;
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begin
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if Assigned(FGetter) then
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Result := FGetter(name, obj, retval, exception)
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else
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Result := False;
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end;
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function TCefFastV8Accessor.Put(const name: ustring; const obj, value: ICefv8Value; var exception: ustring): Boolean;
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begin
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if Assigned(FSetter) then
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Result := FSetter(name, obj, value, exception)
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else
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Result := False;
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end;
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end.
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