mirror of
https://github.com/salvadordf/CEF4Delphi.git
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118 lines
4.0 KiB
ObjectPascal
118 lines
4.0 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 © 2018 Salvador Diaz 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 uCEFDownloadImageCallBack;
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{$IFDEF FPC}
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{$MODE OBJFPC}{$H+}
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{$ENDIF}
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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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uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
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type
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TCefDownloadImageCallbackOwn = class(TCefBaseRefCountedOwn, ICefDownloadImageCallback)
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protected
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procedure OnDownloadImageFinished(const imageUrl: ustring; httpStatusCode: Integer; const image: ICefImage); virtual; abstract;
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public
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constructor Create; virtual;
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end;
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TCefFastDownloadImageCallback = class(TCefDownloadImageCallbackOwn)
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protected
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FProc: TOnDownloadImageFinishedProc;
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procedure OnDownloadImageFinished(const imageUrl: ustring; httpStatusCode: Integer; const image: ICefImage); override;
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public
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constructor Create(const proc: TOnDownloadImageFinishedProc); reintroduce;
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end;
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implementation
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uses
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uCEFMiscFunctions, uCEFLibFunctions, uCEFImage;
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procedure cef_download_image_callback_on_download_image_finished( self : PCefDownloadImageCallback;
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const image_url : PCefString;
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http_status_code : Integer;
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image : PCefImage); stdcall;
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var
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TempObject : TObject;
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begin
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefDownloadImageCallbackOwn) then
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TCefDownloadImageCallbackOwn(TempObject).OnDownloadImageFinished(CefString(image_url),
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http_status_code,
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TCefImageRef.UnWrap(image));
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end;
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constructor TCefDownloadImageCallbackOwn.Create;
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begin
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inherited CreateData(SizeOf(TCefDownloadImageCallback));
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with PCefDownloadImageCallback(FData)^ do
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on_download_image_finished := {$IFDEF FPC}@{$ENDIF}cef_download_image_callback_on_download_image_finished;
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end;
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constructor TCefFastDownloadImageCallback.Create(const proc: TOnDownloadImageFinishedProc);
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begin
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inherited Create;
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FProc := proc;
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end;
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procedure TCefFastDownloadImageCallback.OnDownloadImageFinished(const imageUrl: ustring; httpStatusCode: Integer; const image: ICefImage);
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begin
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FProc(imageUrl, httpStatusCode, image);
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end;
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end.
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