2017-01-27 17:37:51 +02:00
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// ************************************************************************
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// ***************************** CEF4Delphi *******************************
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// ************************************************************************
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//
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2019-10-19 10:58:34 +02:00
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// CEF4Delphi is based on DCEF3 which uses CEF to embed a chromium-based
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2017-01-27 17:37:51 +02:00
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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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2020-01-01 13:48:10 +02:00
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// Copyright � 2020 Salvador Diaz Fau. All rights reserved.
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2017-01-27 17:37:51 +02:00
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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 uCEFPostData;
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2018-05-12 14:50:54 +02:00
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{$IFDEF FPC}
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{$MODE OBJFPC}{$H+}
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{$ENDIF}
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2018-11-22 16:02:21 +02:00
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{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
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{$MINENUMSIZE 4}
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2017-02-05 21:56:46 +02:00
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{$I cef.inc}
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2017-01-27 17:37:51 +02:00
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interface
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uses
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2017-02-05 21:56:46 +02:00
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{$IFDEF DELPHI16_UP}
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2018-02-26 19:40:51 +02:00
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System.Classes, System.SysUtils,
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{$ELSE}
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Classes, SysUtils,
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{$ENDIF}
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2017-03-16 20:09:42 +02:00
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uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
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type
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TCefPostDataRef = class(TCefBaseRefCountedRef, ICefPostData)
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protected
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function IsReadOnly: Boolean;
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function HasExcludedElements: Boolean;
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function GetElementCount: NativeUInt;
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procedure GetElements(elementsCount: NativeUInt; var elements: TCefPostDataElementArray);
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function RemoveElement(const element: ICefPostDataElement): Boolean;
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function AddElement(const element: ICefPostDataElement): Boolean;
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procedure RemoveElements;
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public
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class function UnWrap(data: Pointer): ICefPostData;
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class function New: ICefPostData;
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end;
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implementation
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uses
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uCEFMiscFunctions, uCEFLibFunctions, uCEFPostDataElement;
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function TCefPostDataRef.IsReadOnly: Boolean;
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begin
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Result := PCefPostData(FData)^.is_read_only(PCefPostData(FData)) <> 0;
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end;
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function TCefPostDataRef.HasExcludedElements: Boolean;
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begin
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Result := PCefPostData(FData)^.has_excluded_elements(PCefPostData(FData)) <> 0;
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end;
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function TCefPostDataRef.AddElement(const element: ICefPostDataElement): Boolean;
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begin
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Result := PCefPostData(FData)^.add_element(PCefPostData(FData), CefGetData(element)) <> 0;
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end;
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function TCefPostDataRef.GetElementCount: NativeUInt;
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begin
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Result := PCefPostData(FData)^.get_element_count(PCefPostData(FData))
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end;
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procedure TCefPostDataRef.GetElements(elementsCount: NativeUInt; var elements: TCefPostDataElementArray);
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var
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TempArray : array of PCefPostDataElement;
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i : NativeUInt;
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begin
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TempArray := nil;
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try
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try
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if (elementsCount > 0) then
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begin
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SetLength(TempArray, elementsCount);
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i := 0;
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while (i < elementsCount) do
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begin
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TempArray[i] := nil;
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inc(i);
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end;
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PCefPostData(FData)^.get_elements(PCefPostData(FData), elementsCount, TempArray[0]);
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if (elementsCount > 0) then
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begin
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SetLength(elements, elementsCount);
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i := 0;
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while (i < elementsCount) do
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begin
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elements[i] := TCefPostDataElementRef.UnWrap(TempArray[i]);
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inc(i);
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end;
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end;
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end;
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except
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on e : exception do
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if CustomExceptionHandler('TCefPostDataRef.GetElements', e) then raise;
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end;
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finally
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if (TempArray <> nil) then
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begin
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Finalize(TempArray);
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TempArray := nil;
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end;
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end;
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end;
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class function TCefPostDataRef.New: ICefPostData;
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begin
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Result := UnWrap(cef_post_data_create());
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end;
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function TCefPostDataRef.RemoveElement(const element: ICefPostDataElement): Boolean;
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begin
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Result := PCefPostData(FData)^.remove_element(PCefPostData(FData), CefGetData(element)) <> 0;
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end;
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procedure TCefPostDataRef.RemoveElements;
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begin
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PCefPostData(FData)^.remove_elements(PCefPostData(FData));
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end;
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class function TCefPostDataRef.UnWrap(data: Pointer): ICefPostData;
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begin
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if (data <> nil) then
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Result := Create(data) as ICefPostData
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else
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Result := nil;
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end;
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end.
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