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CEF4Delphi/source/uCEFv8Interceptor.pas

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// ************************************************************************
// ***************************** 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 � 2018 Salvador Diaz Fau. All rights reserved.
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//
// ************************************************************************
// ************ 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 uCEFv8Interceptor;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
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{$I cef.inc}
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interface
uses
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
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type
TCefV8InterceptorOwn = class(TCefBaseRefCountedOwn, ICefV8Interceptor)
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protected
function GetByName(const name: ustring; const obj: ICefv8Value; out retval: ICefv8Value; const exception: ustring): boolean; virtual;
function GetByIndex(index: integer; const obj: ICefv8Value; out retval: ICefv8Value; const exception: ustring): boolean; virtual;
function SetByName(const name: ustring; const obj, value: ICefv8Value; const exception: ustring): boolean; virtual;
function SetByIndex(index: integer; const obj, value: ICefv8Value; const exception: ustring): boolean; virtual;
public
constructor Create; virtual;
end;
TCefFastV8Interceptor = class(TCefV8InterceptorOwn)
protected
FGetterByName : TCefV8InterceptorGetterByNameProc;
FSetterByName : TCefV8InterceptorSetterByNameProc;
FGetterByIndex : TCefV8InterceptorGetterByIndexProc;
FSetterByIndex : TCefV8InterceptorSetterByIndexProc;
function GetByName(const name: ustring; const obj: ICefv8Value; out retval: ICefv8Value; const exception: ustring): boolean; override;
function GetByIndex(index: integer; const obj: ICefv8Value; out retval: ICefv8Value; const exception: ustring): boolean; override;
function SetByName(const name: ustring; const obj, value: ICefv8Value; const exception: ustring): boolean; override;
function SetByIndex(index: integer; const obj, value: ICefv8Value; const exception: ustring): boolean; override;
public
constructor Create(const getterbyname : TCefV8InterceptorGetterByNameProc;
const setterbyname : TCefV8InterceptorSetterByNameProc;
const getterbyindex : TCefV8InterceptorGetterByIndexProc;
const setterbyindex : TCefV8InterceptorSetterByIndexProc); reintroduce;
end;
implementation
uses
uCEFMiscFunctions, uCEFLibFunctions, uCEFv8Value;
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function cef_v8_interceptor_get_byname( self : PCefV8Interceptor;
const name : PCefString;
obj : PCefV8Value;
out retval : PCefv8Value;
exception : PCefString): Integer; stdcall;
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var
ret: ICefv8Value;
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TempObject : TObject;
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begin
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Result := Ord(False);
retval := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefV8InterceptorOwn) then
begin
Result := Ord(TCefV8InterceptorOwn(TempObject).GetByName(CefString(name),
TCefv8ValueRef.UnWrap(obj),
ret,
CefString(exception)));
retval := CefGetData(ret);
end;
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end;
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function cef_v8_interceptor_get_byindex( self : PCefV8Interceptor;
index : integer;
obj : PCefV8Value;
out retval : PCefv8Value;
exception : PCefString): integer; stdcall;
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var
ret: ICefv8Value;
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TempObject : TObject;
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begin
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Result := Ord(False);
retval := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefV8InterceptorOwn) then
begin
Result := Ord(TCefV8InterceptorOwn(TempObject).GetByIndex(index,
TCefv8ValueRef.UnWrap(obj),
ret,
CefString(exception)));
retval := CefGetData(ret);
end;
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end;
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function cef_v8_interceptor_set_byname( self : PCefV8Interceptor;
const name : PCefString;
obj : PCefV8Value;
value : PCefv8Value;
exception : PCefString): integer; stdcall;
var
TempObject : TObject;
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begin
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Result := Ord(False);
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefV8InterceptorOwn) then
Result := Ord(TCefV8InterceptorOwn(TempObject).SetByName(CefString(name),
TCefv8ValueRef.UnWrap(obj),
TCefv8ValueRef.UnWrap(value),
CefString(exception)));
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end;
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function cef_v8_interceptor_set_byindex(self : PCefV8Interceptor;
index : integer;
obj : PCefV8Value;
value : PCefv8Value;
exception : PCefString): integer; stdcall;
var
TempObject : TObject;
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begin
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Result := Ord(False);
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefV8InterceptorOwn) then
Result := Ord(TCefV8InterceptorOwn(TempObject).SetByIndex(index,
TCefv8ValueRef.UnWrap(obj),
TCefv8ValueRef.UnWrap(value),
CefString(exception)));
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end;
// TCefV8InterceptorOwn
constructor TCefV8InterceptorOwn.Create;
begin
inherited CreateData(SizeOf(TCefV8InterceptorOwn));
with PCefV8Interceptor(FData)^ do
begin
get_byname := {$IFDEF FPC}@{$ENDIF}cef_v8_interceptor_get_byname;
get_byindex := {$IFDEF FPC}@{$ENDIF}cef_v8_interceptor_get_byindex;
set_byname := {$IFDEF FPC}@{$ENDIF}cef_v8_interceptor_set_byname;
set_byindex := {$IFDEF FPC}@{$ENDIF}cef_v8_interceptor_set_byindex;
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end;
end;
function TCefV8InterceptorOwn.GetByName(const name: ustring; const obj: ICefv8Value; out retval: ICefv8Value; const exception: ustring): boolean;
begin
Result := False;
end;
function TCefV8InterceptorOwn.GetByIndex(index: integer; const obj: ICefv8Value; out retval: ICefv8Value; const exception: ustring): boolean;
begin
Result := False;
end;
function TCefV8InterceptorOwn.SetByName(const name: ustring; const obj, value: ICefv8Value; const exception: ustring): boolean;
begin
Result := False;
end;
function TCefV8InterceptorOwn.SetByIndex(index: integer; const obj, value: ICefv8Value; const exception: ustring): boolean;
begin
Result := False;
end;
// TCefFastV8Interceptor
constructor TCefFastV8Interceptor.Create(const getterbyname : TCefV8InterceptorGetterByNameProc;
const setterbyname : TCefV8InterceptorSetterByNameProc;
const getterbyindex : TCefV8InterceptorGetterByIndexProc;
const setterbyindex : TCefV8InterceptorSetterByIndexProc);
begin
FGetterByName := getterbyname;
FSetterByName := setterbyname;
FGetterByIndex := getterbyindex;
FSetterByIndex := setterbyindex;
end;
function TCefFastV8Interceptor.GetByName(const name: ustring; const obj: ICefv8Value; out retval: ICefv8Value; const exception: ustring): boolean;
begin
if assigned(FGetterByName) then
Result := FGetterByName(name, obj, retval, exception)
else
Result := False;
end;
function TCefFastV8Interceptor.GetByIndex(index: integer; const obj: ICefv8Value; out retval: ICefv8Value; const exception: ustring): boolean;
begin
if assigned(FGetterByIndex) then
Result := FGetterByIndex(index, obj, retval, exception)
else
Result := False;
end;
function TCefFastV8Interceptor.SetByName(const name: ustring; const obj, value: ICefv8Value; const exception: ustring): boolean;
begin
if assigned(FSetterByName) then
Result := FSetterByName(name, obj, value, exception)
else
Result := False;
end;
function TCefFastV8Interceptor.SetByIndex(index: integer; const obj, value: ICefv8Value; const exception: ustring): boolean;
begin
if assigned(FSetterByIndex) then
Result := FSetterByIndex(index, obj, value, exception)
else
Result := False;
end;
end.