CEF4Delphi/source/uCEFPreferenceManager.pas
2022-12-16 11:29:15 +01:00

133 lines
4.5 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 © 2022 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 uCEFPreferenceManager;
{$IFDEF FPC}
{$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
TCefPreferenceManagerRef = class(TCefBaseRefCountedRef, ICefPreferenceManager)
protected
function HasPreference(const name: ustring): Boolean;
function GetPreference(const name: ustring): ICefValue;
function GetAllPreferences(includeDefaults: Boolean): ICefDictionaryValue;
function CanSetPreference(const name: ustring): Boolean;
function SetPreference(const name: ustring; const value: ICefValue; out error: ustring): Boolean;
public
class function UnWrap(data: Pointer): ICefPreferenceManager;
class function Global: ICefPreferenceManager;
end;
implementation
uses
uCEFLibFunctions, uCEFMiscFunctions, uCEFValue, uCEFDictionaryValue;
class function TCefPreferenceManagerRef.UnWrap(data: Pointer): ICefPreferenceManager;
begin
if (data <> nil) then
Result := Create(data) as ICefPreferenceManager
else
Result := nil;
end;
class function TCefPreferenceManagerRef.Global: ICefPreferenceManager;
begin
Result := UnWrap(cef_preference_manager_get_global());
end;
function TCefPreferenceManagerRef.HasPreference(const name: ustring): Boolean;
var
TempName : TCefString;
begin
TempName := CefString(name);
Result := PCefPreferenceManager(FData)^.has_preference(PCefPreferenceManager(FData), @TempName) <> 0;
end;
function TCefPreferenceManagerRef.GetPreference(const name: ustring): ICefValue;
var
TempName : TCefString;
begin
TempName := CefString(name);
Result := TCefValueRef.UnWrap(PCefPreferenceManager(FData)^.get_preference(PCefPreferenceManager(FData), @TempName));
end;
function TCefPreferenceManagerRef.GetAllPreferences(includeDefaults: Boolean): ICefDictionaryValue;
begin
Result := TCefDictionaryValueRef.UnWrap(PCefPreferenceManager(FData)^.get_all_preferences(PCefPreferenceManager(FData), Ord(includeDefaults)));
end;
function TCefPreferenceManagerRef.CanSetPreference(const name: ustring): Boolean;
var
TempName : TCefString;
begin
TempName := CefString(name);
Result := PCefPreferenceManager(FData)^.can_set_preference(PCefPreferenceManager(FData), @TempName) <> 0;
end;
function TCefPreferenceManagerRef.SetPreference(const name : ustring;
const value : ICefValue;
out error : ustring): Boolean;
var
TempName, TempError : TCefString;
begin
CefStringInitialize(@TempError);
TempName := CefString(name);
Result := PCefPreferenceManager(FData)^.set_preference(PCefPreferenceManager(FData), @TempName, CefGetData(value), @TempError) <> 0;
error := CefStringClearAndGet(@TempError);
end;
end.