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mirror of https://github.com/salvadordf/CEF4Delphi.git synced 2024-11-24 08:02:15 +02:00
CEF4Delphi/source/uCEFPostData.pas
salvadordf ca8bc9dff4 Added cef4delphi.chm help file
Added the PDS file to extract the HTML Help files using PasDoc
Added more XML documentation
Fixed some XML errors.
Removed the license copy from the pas units.
Updated the LICENSE.md file
2023-08-09 19:38:57 +02:00

135 lines
3.3 KiB
ObjectPascal

unit uCEFPostData;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$I cef.inc}
{$IFNDEF TARGET_64BITS}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
interface
uses
{$IFDEF DELPHI16_UP}
System.Classes, System.SysUtils,
{$ELSE}
Classes, SysUtils,
{$ENDIF}
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
type
TCefPostDataRef = class(TCefBaseRefCountedRef, ICefPostData)
protected
function IsReadOnly: Boolean;
function HasExcludedElements: Boolean;
function GetElementCount: NativeUInt;
procedure GetElements(elementsCount: NativeUInt; var elements: TCefPostDataElementArray);
function RemoveElement(const element: ICefPostDataElement): Boolean;
function AddElement(const element: ICefPostDataElement): Boolean;
procedure RemoveElements;
public
class function UnWrap(data: Pointer): ICefPostData;
class function New: ICefPostData;
end;
implementation
uses
uCEFMiscFunctions, uCEFLibFunctions, uCEFPostDataElement;
function TCefPostDataRef.IsReadOnly: Boolean;
begin
Result := PCefPostData(FData)^.is_read_only(PCefPostData(FData)) <> 0;
end;
function TCefPostDataRef.HasExcludedElements: Boolean;
begin
Result := PCefPostData(FData)^.has_excluded_elements(PCefPostData(FData)) <> 0;
end;
function TCefPostDataRef.AddElement(const element: ICefPostDataElement): Boolean;
begin
Result := PCefPostData(FData)^.add_element(PCefPostData(FData), CefGetData(element)) <> 0;
end;
function TCefPostDataRef.GetElementCount: NativeUInt;
begin
Result := PCefPostData(FData)^.get_element_count(PCefPostData(FData))
end;
procedure TCefPostDataRef.GetElements(elementsCount: NativeUInt; var elements: TCefPostDataElementArray);
var
TempArray : array of PCefPostDataElement;
i : NativeUInt;
begin
TempArray := nil;
try
try
if (elementsCount > 0) then
begin
SetLength(TempArray, elementsCount);
i := 0;
while (i < elementsCount) do
begin
TempArray[i] := nil;
inc(i);
end;
PCefPostData(FData)^.get_elements(PCefPostData(FData), elementsCount, TempArray[0]);
if (elementsCount > 0) then
begin
SetLength(elements, elementsCount);
i := 0;
while (i < elementsCount) do
begin
elements[i] := TCefPostDataElementRef.UnWrap(TempArray[i]);
inc(i);
end;
end;
end;
except
on e : exception do
if CustomExceptionHandler('TCefPostDataRef.GetElements', e) then raise;
end;
finally
if (TempArray <> nil) then
begin
Finalize(TempArray);
TempArray := nil;
end;
end;
end;
class function TCefPostDataRef.New: ICefPostData;
begin
Result := UnWrap(cef_post_data_create());
end;
function TCefPostDataRef.RemoveElement(const element: ICefPostDataElement): Boolean;
begin
Result := PCefPostData(FData)^.remove_element(PCefPostData(FData), CefGetData(element)) <> 0;
end;
procedure TCefPostDataRef.RemoveElements;
begin
PCefPostData(FData)^.remove_elements(PCefPostData(FData));
end;
class function TCefPostDataRef.UnWrap(data: Pointer): ICefPostData;
begin
if (data <> nil) then
Result := Create(data) as ICefPostData
else
Result := nil;
end;
end.