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https://github.com/salvadordf/CEF4Delphi.git
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321 lines
12 KiB
ObjectPascal
321 lines
12 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 CEF 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 © 2021 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 uCEFv8Interceptor;
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{$IFDEF FPC}
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{$MODE OBJFPC}{$H+}
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{$ENDIF}
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{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
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{$MINENUMSIZE 4}
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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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TCefV8InterceptorOwn = class(TCefBaseRefCountedOwn, ICefV8Interceptor)
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protected
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function GetByName(const name: ustring; const object_: ICefv8Value; var retval: ICefv8Value; var exception: ustring): boolean; virtual;
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function GetByIndex(index: integer; const object_: ICefv8Value; var retval: ICefv8Value; var exception: ustring): boolean; virtual;
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function SetByName(const name: ustring; const object_, value: ICefv8Value; var exception: ustring): boolean; virtual;
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function SetByIndex(index: integer; const object_, 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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TCefFastV8Interceptor = class(TCefV8InterceptorOwn)
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protected
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FGetterByName : TCefV8InterceptorGetterByNameProc;
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FSetterByName : TCefV8InterceptorSetterByNameProc;
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FGetterByIndex : TCefV8InterceptorGetterByIndexProc;
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FSetterByIndex : TCefV8InterceptorSetterByIndexProc;
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function GetByName(const name: ustring; const object_: ICefv8Value; var retval: ICefv8Value; var exception: ustring): boolean; override;
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function GetByIndex(index: integer; const object_: ICefv8Value; var retval: ICefv8Value; var exception: ustring): boolean; override;
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function SetByName(const name: ustring; const object_, value: ICefv8Value; var exception: ustring): boolean; override;
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function SetByIndex(index: integer; const object_, value: ICefv8Value; var exception: ustring): boolean; override;
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public
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constructor Create(const getterbyname : TCefV8InterceptorGetterByNameProc;
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const setterbyname : TCefV8InterceptorSetterByNameProc;
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const getterbyindex : TCefV8InterceptorGetterByIndexProc;
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const setterbyindex : TCefV8InterceptorSetterByIndexProc); 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_interceptor_get_byname( self : PCefV8Interceptor;
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const name : PCefString;
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object_ : 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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TempObject : TObject;
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TempException : ustring;
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TempReturnValue : ICefv8Value;
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TempRecObject : ICefv8Value;
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begin
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Result := Ord(False);
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retval := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefV8InterceptorOwn) then
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try
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TempRecObject := TCefv8ValueRef.UnWrap(object_);
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TempException := '';
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TempReturnValue := nil;
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Result := Ord(TCefV8InterceptorOwn(TempObject).GetByName(CefString(name),
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TempRecObject,
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TempReturnValue,
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TempException));
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retval := CefGetData(TempReturnValue);
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if (exception <> nil) then
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begin
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CefStringFree(exception);
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exception^ := CefStringAlloc(TempException);
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end;
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finally
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TempRecObject := nil;
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TempReturnValue := nil;
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end;
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end;
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function cef_v8_interceptor_get_byindex( self : PCefV8Interceptor;
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index : integer;
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object_ : 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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TempObject : TObject;
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TempException : ustring;
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TempReturnValue : ICefv8Value;
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TempRecObject : ICefv8Value;
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begin
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Result := Ord(False);
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retval := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefV8InterceptorOwn) then
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try
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TempRecObject := TCefv8ValueRef.UnWrap(object_);
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TempException := '';
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TempReturnValue := nil;
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Result := Ord(TCefV8InterceptorOwn(TempObject).GetByIndex(index,
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TempRecObject,
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TempReturnValue,
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TempException));
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retval := CefGetData(TempReturnValue);
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if (exception <> nil) then
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begin
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CefStringFree(exception);
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exception^ := CefStringAlloc(TempException);
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end;
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finally
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TempRecObject := nil;
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TempReturnValue := nil;
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end;
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end;
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function cef_v8_interceptor_set_byname( self : PCefV8Interceptor;
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const name : PCefString;
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object_ : PCefV8Value;
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value : PCefv8Value;
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exception : PCefString): integer; stdcall;
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var
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TempObject : TObject;
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TempException : ustring;
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TempValue : ICefv8Value;
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TempRecObject : ICefv8Value;
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begin
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Result := Ord(False);
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefV8InterceptorOwn) then
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try
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TempRecObject := TCefv8ValueRef.UnWrap(object_);
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TempValue := TCefv8ValueRef.UnWrap(value);
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TempException := '';
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Result := Ord(TCefV8InterceptorOwn(TempObject).SetByName(CefString(name),
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TempRecObject,
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TempValue,
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TempException));
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if (exception <> nil) then
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begin
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CefStringFree(exception);
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exception^ := CefStringAlloc(TempException);
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end;
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finally
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TempRecObject := nil;
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TempValue := nil;
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end;
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end;
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function cef_v8_interceptor_set_byindex(self : PCefV8Interceptor;
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index : integer;
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object_ : PCefV8Value;
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value : PCefv8Value;
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exception : PCefString): integer; stdcall;
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var
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TempObject : TObject;
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TempException : ustring;
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TempValue : ICefv8Value;
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TempRecObject : ICefv8Value;
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begin
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Result := Ord(False);
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefV8InterceptorOwn) then
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try
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TempRecObject := TCefv8ValueRef.UnWrap(object_);
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TempValue := TCefv8ValueRef.UnWrap(value);
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TempException := '';
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Result := Ord(TCefV8InterceptorOwn(TempObject).SetByIndex(index,
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TempRecObject,
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TempValue,
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TempException));
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if (exception <> nil) then
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begin
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CefStringFree(exception);
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exception^ := CefStringAlloc(TempException);
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end;
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finally
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TempRecObject := nil;
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TempValue := nil;
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end;
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end;
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// TCefV8InterceptorOwn
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constructor TCefV8InterceptorOwn.Create;
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begin
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inherited CreateData(SizeOf(TCefV8InterceptorOwn));
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with PCefV8Interceptor(FData)^ do
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begin
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get_byname := {$IFDEF FPC}@{$ENDIF}cef_v8_interceptor_get_byname;
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get_byindex := {$IFDEF FPC}@{$ENDIF}cef_v8_interceptor_get_byindex;
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set_byname := {$IFDEF FPC}@{$ENDIF}cef_v8_interceptor_set_byname;
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set_byindex := {$IFDEF FPC}@{$ENDIF}cef_v8_interceptor_set_byindex;
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end;
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end;
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function TCefV8InterceptorOwn.GetByName(const name: ustring; const object_: ICefv8Value; var 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 TCefV8InterceptorOwn.GetByIndex(index: integer; const object_: ICefv8Value; var 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 TCefV8InterceptorOwn.SetByName(const name: ustring; const object_, 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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function TCefV8InterceptorOwn.SetByIndex(index: integer; const object_, 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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// TCefFastV8Interceptor
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constructor TCefFastV8Interceptor.Create(const getterbyname : TCefV8InterceptorGetterByNameProc;
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const setterbyname : TCefV8InterceptorSetterByNameProc;
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const getterbyindex : TCefV8InterceptorGetterByIndexProc;
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const setterbyindex : TCefV8InterceptorSetterByIndexProc);
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begin
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FGetterByName := getterbyname;
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FSetterByName := setterbyname;
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FGetterByIndex := getterbyindex;
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FSetterByIndex := setterbyindex;
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end;
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function TCefFastV8Interceptor.GetByName(const name: ustring; const object_: ICefv8Value; var retval: ICefv8Value; var exception: ustring): boolean;
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begin
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if assigned(FGetterByName) then
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Result := FGetterByName(name, object_, retval, exception)
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else
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Result := False;
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end;
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function TCefFastV8Interceptor.GetByIndex(index: integer; const object_: ICefv8Value; var retval: ICefv8Value; var exception: ustring): boolean;
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begin
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if assigned(FGetterByIndex) then
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Result := FGetterByIndex(index, object_, retval, exception)
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else
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Result := False;
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end;
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function TCefFastV8Interceptor.SetByName(const name: ustring; const object_, value: ICefv8Value; var exception: ustring): boolean;
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begin
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if assigned(FSetterByName) then
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Result := FSetterByName(name, object_, value, exception)
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else
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Result := False;
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end;
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function TCefFastV8Interceptor.SetByIndex(index: integer; const object_, value: ICefv8Value; var exception: ustring): boolean;
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begin
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if assigned(FSetterByIndex) then
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Result := FSetterByIndex(index, object_, 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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