2017-01-27 16:37:51 +01:00
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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 16:37:51 +01:00
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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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2023-01-07 15:53:04 +01:00
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// Copyright <20> 2023 Salvador Diaz Fau. All rights reserved.
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2017-01-27 16:37:51 +01:00
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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 uCEFResolveCallback;
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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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2017-02-05 20:56:46 +01:00
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{$I cef.inc}
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2022-02-19 18:56:41 +01:00
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{$IFNDEF TARGET_64BITS}{$ALIGN ON}{$ENDIF}
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{$MINENUMSIZE 4}
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2017-01-27 16:37:51 +01:00
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interface
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uses
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2017-02-05 20:56:46 +01:00
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{$IFDEF DELPHI16_UP}
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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 19:09:42 +01:00
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uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
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type
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TCefResolveCallbackOwn = class(TCefBaseRefCountedOwn, ICefResolveCallback)
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protected
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procedure OnResolveCompleted(result: TCefErrorCode; const resolvedIps: TStrings); virtual; abstract;
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2017-12-27 14:05:33 +01:00
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2017-10-02 11:36:22 +02:00
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public
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constructor Create; virtual;
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end;
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TCefCustomResolveCallback = class(TCefResolveCallbackOwn)
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protected
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FEvents : Pointer;
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procedure OnResolveCompleted(result: TCefErrorCode; const resolvedIps: TStrings); override;
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public
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constructor Create(const aEvents : IChromiumEvents); reintroduce;
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destructor Destroy; override;
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end;
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implementation
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uses
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uCEFMiscFunctions, uCEFLibFunctions, uCEFStringList;
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2018-03-29 20:02:04 +02:00
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procedure cef_resolve_callback_on_resolve_completed(self : PCefResolveCallback;
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result : TCefErrorCode;
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resolved_ips : TCefStringList); stdcall;
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var
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TempSL : TStringList;
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TempCefSL : ICefStringList;
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TempObject : TObject;
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begin
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TempSL := nil;
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try
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try
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TempObject := CefGetObject(self);
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2018-03-29 20:02:04 +02:00
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if (TempObject <> nil) and (TempObject is TCefResolveCallbackOwn) then
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begin
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TempSL := TStringList.Create;
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TempCefSL := TCefStringListRef.Create(resolved_ips);
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TempCefSL.CopyToStrings(TempSL);
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TCefResolveCallbackOwn(TempObject).OnResolveCompleted(result, TempSL);
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end;
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except
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on e : exception do
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if CustomExceptionHandler('cef_resolve_callback_on_resolve_completed', e) then raise;
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end;
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finally
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if (TempSL <> nil) then FreeAndNil(TempSL);
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end;
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end;
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// TCefResolveCallbackOwn
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constructor TCefResolveCallbackOwn.Create;
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begin
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inherited CreateData(SizeOf(TCefResolveCallback));
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2018-05-12 14:50:54 +02:00
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with PCefResolveCallback(FData)^ do
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on_resolve_completed := {$IFDEF FPC}@{$ENDIF}cef_resolve_callback_on_resolve_completed;
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end;
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// TCefCustomResolveCallback
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2018-02-03 17:52:48 +01:00
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constructor TCefCustomResolveCallback.Create(const aEvents : IChromiumEvents);
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begin
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inherited Create;
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FEvents := Pointer(aEvents);
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end;
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2017-12-27 14:05:33 +01:00
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destructor TCefCustomResolveCallback.Destroy;
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begin
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FEvents := nil;
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inherited Destroy;
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end;
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2017-10-02 11:36:22 +02:00
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procedure TCefCustomResolveCallback.OnResolveCompleted(result: TCefErrorCode; const resolvedIps: TStrings);
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begin
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2018-02-03 17:52:48 +01:00
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try
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try
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if (FEvents <> nil) then IChromiumEvents(FEvents).doResolvedHostAvailable(result, resolvedIps);
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except
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on e : exception do
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if CustomExceptionHandler('TCefCustomResolveCallback.OnResolveCompleted', e) then raise;
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end;
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finally
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FEvents := nil;
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end;
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end;
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end.
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