mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-16 00:05:55 +01:00
150 lines
3.8 KiB
ObjectPascal
150 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 © 2018 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 uCEFDomVisitor;
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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;
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type
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TCefDomVisitorOwn = class(TCefBaseRefCountedOwn, ICefDomVisitor)
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protected
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procedure visit(const document: ICefDomDocument); virtual;
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public
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constructor Create; virtual;
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end;
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TCefFastDomVisitor = class(TCefDomVisitorOwn)
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protected
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FProc : TCefDomVisitorProc;
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procedure visit(const document: ICefDomDocument); override;
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public
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constructor Create(const proc: TCefDomVisitorProc); reintroduce; virtual;
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end;
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TCefFastDomVisitor2 = class(TCefDomVisitorOwn)
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protected
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FProc : TCefDomVisitorProc2;
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FBrowser : ICefBrowser;
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procedure visit(const document: ICefDomDocument); override;
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public
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constructor Create(const browser: ICefBrowser; const proc: TCefDomVisitorProc2); reintroduce; virtual;
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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, uCEFTypes, uCEFDomDocument;
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procedure cef_dom_visitor_visite(self: PCefDomVisitor; document: PCefDomDocument); 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 TCefDomVisitorOwn) then
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TCefDomVisitorOwn(TempObject).visit(TCefDomDocumentRef.UnWrap(document));
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end;
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// TCefDomVisitorOwn
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constructor TCefDomVisitorOwn.Create;
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begin
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inherited CreateData(SizeOf(TCefDomVisitor));
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PCefDomVisitor(FData).visit := cef_dom_visitor_visite;
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end;
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procedure TCefDomVisitorOwn.visit(const document: ICefDomDocument);
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begin
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end;
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// TCefFastDomVisitor
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constructor TCefFastDomVisitor.Create(const proc: TCefDomVisitorProc);
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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 TCefFastDomVisitor.visit(const document: ICefDomDocument);
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begin
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FProc(document);
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end;
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// TCefFastDomVisitor2
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constructor TCefFastDomVisitor2.Create(const browser: ICefBrowser; const proc: TCefDomVisitorProc2);
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begin
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inherited Create;
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FBrowser := browser;
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FProc := proc;
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end;
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destructor TCefFastDomVisitor2.Destroy;
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begin
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FBrowser := nil;
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inherited Destroy;
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end;
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procedure TCefFastDomVisitor2.visit(const document: ICefDomDocument);
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begin
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FProc(FBrowser, document);
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end;
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end.
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