1
0
mirror of https://github.com/salvadordf/CEF4Delphi.git synced 2024-12-04 09:26:52 +02:00
CEF4Delphi/source/uCEFPostData.pas

172 lines
4.9 KiB
ObjectPascal
Raw Normal View History

2017-01-27 17:37:51 +02:00
// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF to embed a chromium-based
2017-01-27 17:37:51 +02:00
// 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.
2017-01-27 17:37:51 +02:00
//
// ************************************************************************
// ************ 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 uCEFPostData;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
2017-01-27 17:37:51 +02:00
2017-02-05 21:56:46 +02:00
{$I cef.inc}
2017-01-27 17:37:51 +02:00
interface
uses
2017-02-05 21:56:46 +02:00
{$IFDEF DELPHI16_UP}
2018-02-26 19:40:51 +02:00
System.Classes, System.SysUtils,
2017-02-05 21:56:46 +02:00
{$ELSE}
2018-02-26 19:40:51 +02:00
Classes, SysUtils,
2017-02-05 21:56:46 +02:00
{$ENDIF}
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
2017-01-27 17:37:51 +02:00
type
TCefPostDataRef = class(TCefBaseRefCountedRef, ICefPostData)
2017-01-27 17:37:51 +02:00
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;
2017-01-27 17:37:51 +02:00
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;
2017-01-27 17:37:51 +02:00
begin
Result := PCefPostData(FData)^.add_element(PCefPostData(FData), CefGetData(element)) <> 0;
2017-01-27 17:37:51 +02:00
end;
function TCefPostDataRef.GetElementCount: NativeUInt;
2017-01-27 17:37:51 +02:00
begin
Result := PCefPostData(FData)^.get_element_count(PCefPostData(FData))
end;
procedure TCefPostDataRef.GetElements(elementsCount: NativeUInt; var elements: TCefPostDataElementArray);
2017-01-27 17:37:51 +02:00
var
TempArray : array of PCefPostDataElement;
i : NativeUInt;
2017-01-27 17:37:51 +02:00
begin
TempArray := nil;
2018-02-26 19:40:51 +02:00
2017-01-27 17:37:51 +02:00
try
2018-02-26 19:40:51 +02:00
try
if (elementsCount > 0) then
2018-02-26 19:40:51 +02:00
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;
2018-02-26 19:40:51 +02:00
end;
except
on e : exception do
if CustomExceptionHandler('TCefPostDataRef.GetElements', e) then raise;
end;
2017-01-27 17:37:51 +02:00
finally
if (TempArray <> nil) then
begin
Finalize(TempArray);
TempArray := nil;
end;
2017-01-27 17:37:51 +02:00
end;
end;
class function TCefPostDataRef.New: ICefPostData;
begin
Result := UnWrap(cef_post_data_create());
2017-01-27 17:37:51 +02:00
end;
function TCefPostDataRef.RemoveElement(const element: ICefPostDataElement): Boolean;
2017-01-27 17:37:51 +02:00
begin
Result := PCefPostData(FData)^.remove_element(PCefPostData(FData), CefGetData(element)) <> 0;
2017-01-27 17:37:51 +02:00
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
2017-01-27 17:37:51 +02:00
Result := nil;
end;
end.