mirror of
https://github.com/salvadordf/CEF4Delphi.git
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139 lines
4.1 KiB
ObjectPascal
139 lines
4.1 KiB
ObjectPascal
// ************************************************************************
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// ***************************** CEF4Delphi *******************************
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// ************************************************************************
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//
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// CEF4Delphi is based on DCEF3 which uses CEF3 to embed a chromium-based
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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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// Copyright © 2017 Salvador Díaz Fau. All rights reserved.
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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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{$IFNDEF CPUX64}
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{$ALIGN ON}
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{$MINENUMSIZE 4}
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{$ENDIF}
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{$I cef.inc}
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interface
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uses
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{$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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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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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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FChromiumBrowser : TObject;
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procedure OnResolveCompleted(result: TCefErrorCode; const resolvedIps: TStrings); override;
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public
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constructor Create(const aChromiumBrowser : TObject); reintroduce;
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end;
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implementation
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uses
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uCEFMiscFunctions, uCEFLibFunctions, uCEFChromium;
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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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i, j : Integer;
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str: TCefString;
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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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TempSL := TStringList.Create;
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i := 0;
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j := cef_string_list_size(resolved_ips);
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while (i < j) do
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begin
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FillChar(str, SizeOf(str), 0);
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cef_string_list_value(resolved_ips, i, @str);
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TempSL.Add(CefStringClearAndGet(str));
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inc(i);
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end;
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TCefResolveCallbackOwn(CefGetObject(self)).OnResolveCompleted(result, TempSL);
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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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CreateData(SizeOf(TCefResolveCallback), False);
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with PCefResolveCallback(FData)^ do
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on_resolve_completed := cef_resolve_callback_on_resolve_completed;
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end;
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// TCefCustomResolveCallback
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constructor TCefCustomResolveCallback.Create(const aChromiumBrowser : TObject);
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begin
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inherited Create;
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FChromiumBrowser := aChromiumBrowser;
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end;
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procedure TCefCustomResolveCallback.OnResolveCompleted(result: TCefErrorCode; const resolvedIps: TStrings);
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begin
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if (FChromiumBrowser <> nil) and (FChromiumBrowser is TChromium) then
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TChromium(FChromiumBrowser).Internal_ResolvedHostAvailable(result, resolvedIps);
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end;
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end.
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