1
0
mirror of https://github.com/salvadordf/CEF4Delphi.git synced 2024-12-04 09:26:52 +02:00
CEF4Delphi/source/uCEFv8ArrayBufferReleaseCallback.pas
Salvador Díaz Fau fd1e936198 Update to CEF 79.0.10
- Removed CEFSentinel from some demos because it's no longer necessary.
- Updated copyright year.
2020-01-01 12:48:10 +01:00

145 lines
4.3 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 © 2020 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 uCEFv8ArrayBufferReleaseCallback;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
{$I cef.inc}
interface
uses
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
type
TCefv8ArrayBufferReleaseCallbackOwn = class(TCefBaseRefCountedOwn, ICefv8ArrayBufferReleaseCallback)
protected
procedure ReleaseBuffer(buffer : Pointer); virtual;
public
constructor Create; virtual;
end;
TCefFastv8ArrayBufferReleaseCallback = class(TCefv8ArrayBufferReleaseCallbackOwn)
protected
FCallback: TCefv8ArrayBufferReleaseCallbackProc;
procedure ReleaseBuffer(buffer : Pointer); override;
public
constructor Create(const callback: TCefv8ArrayBufferReleaseCallbackProc); reintroduce;
end;
TCefv8ArrayBufferReleaseCallbackRef = class(TCefBaseRefCountedRef, ICefv8ArrayBufferReleaseCallback)
protected
procedure ReleaseBuffer(buffer : Pointer); virtual;
public
class function UnWrap(data: Pointer): ICefv8ArrayBufferReleaseCallback;
end;
implementation
uses
uCEFMiscFunctions, uCEFLibFunctions;
procedure cef_v8array_buffer_release_callback_release_buffer(self : PCefv8ArrayBufferReleaseCallback;
buffer : Pointer); stdcall;
var
TempObject : TObject;
begin
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefv8ArrayBufferReleaseCallbackOwn) then
TCefv8ArrayBufferReleaseCallbackOwn(TempObject).ReleaseBuffer(buffer);
end;
// TCefv8ArrayBufferReleaseCallbackOwn
constructor TCefv8ArrayBufferReleaseCallbackOwn.Create;
begin
inherited CreateData(SizeOf(TCefv8ArrayBufferReleaseCallback));
with PCefv8ArrayBufferReleaseCallback(FData)^ do
release_buffer := {$IFDEF FPC}@{$ENDIF}cef_v8array_buffer_release_callback_release_buffer;
end;
procedure TCefv8ArrayBufferReleaseCallbackOwn.ReleaseBuffer(buffer: Pointer);
begin
//
end;
// TCefFastv8ArrayBufferReleaseCallback
constructor TCefFastv8ArrayBufferReleaseCallback.Create(const callback: TCefv8ArrayBufferReleaseCallbackProc);
begin
inherited Create;
FCallback := callback;
end;
procedure TCefFastv8ArrayBufferReleaseCallback.ReleaseBuffer(buffer: Pointer);
begin
FCallback(buffer);
end;
// TCefv8ArrayBufferReleaseCallbackRef
procedure TCefv8ArrayBufferReleaseCallbackRef.ReleaseBuffer(buffer : Pointer);
begin
PCefv8ArrayBufferReleaseCallback(FData)^.release_buffer(PCefv8ArrayBufferReleaseCallback(FData), buffer);
end;
class function TCefv8ArrayBufferReleaseCallbackRef.UnWrap(data: Pointer): ICefv8ArrayBufferReleaseCallback;
begin
if (data <> nil) then
Result := Create(data) as ICefv8ArrayBufferReleaseCallback
else
Result := nil;
end;
end.