mirror of
https://github.com/salvadordf/CEF4Delphi.git
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127 lines
3.8 KiB
ObjectPascal
127 lines
3.8 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 uCEFPDFPrintCallback;
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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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TCefPdfPrintCallbackOwn = class(TCefBaseRefCountedOwn, ICefPdfPrintCallback)
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protected
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procedure OnPdfPrintFinished(const path: ustring; ok: Boolean); virtual; abstract;
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public
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constructor Create; virtual;
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end;
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TCefFastPdfPrintCallback = class(TCefPdfPrintCallbackOwn)
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protected
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FProc: TOnPdfPrintFinishedProc;
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procedure OnPdfPrintFinished(const path: ustring; ok: Boolean); override;
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public
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constructor Create(const proc: TOnPdfPrintFinishedProc); reintroduce;
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end;
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TCefCustomPDFPrintCallBack = class(TCefPdfPrintCallbackOwn)
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protected
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FChromiumBrowser : TObject;
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procedure OnPdfPrintFinished(const path: ustring; aResultOK : Boolean); 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_pdf_print_callback_on_pdf_print_finished(self: PCefPdfPrintCallback; const path: PCefString; ok: Integer); stdcall;
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begin
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with TCefPdfPrintCallbackOwn(CefGetObject(self)) do OnPdfPrintFinished(CefString(path), ok <> 0);
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end;
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constructor TCefPdfPrintCallbackOwn.Create;
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begin
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CreateData(SizeOf(TCefPdfPrintCallback));
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PCefPdfPrintCallback(FData).on_pdf_print_finished := cef_pdf_print_callback_on_pdf_print_finished;
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end;
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// TCefFastPdfPrintCallback
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constructor TCefFastPdfPrintCallback.Create(const proc: TOnPdfPrintFinishedProc);
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begin
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FProc := proc;
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inherited Create;
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end;
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procedure TCefFastPdfPrintCallback.OnPdfPrintFinished(const path: ustring; ok: Boolean);
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begin
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FProc(path, ok);
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end;
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// TCefCustomPDFPrintCallBack
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constructor TCefCustomPDFPrintCallBack.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 TCefCustomPDFPrintCallBack.OnPdfPrintFinished(const path: ustring; aResultOK : Boolean);
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begin
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if (FChromiumBrowser <> nil) and (FChromiumBrowser is TChromium) then
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TChromium(FChromiumBrowser).Internal_PdfPrintFinished(aResultOK);
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end;
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end.
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