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92 lines
3.4 KiB
ObjectPascal
92 lines
3.4 KiB
ObjectPascal
unit uCEFSchemeHandlerFactory;
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{$IFDEF FPC}
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{$MODE OBJFPC}{$H+}
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{$ENDIF}
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{$I cef.inc}
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{$IFNDEF TARGET_64BITS}{$ALIGN ON}{$ENDIF}
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{$MINENUMSIZE 4}
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interface
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uses
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uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes, uCEFResourceHandler;
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type
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/// <summary>
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/// Class that creates ICefResourceHandler instances for handling scheme
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/// requests.
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/// </summary>
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/// <remarks>
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/// <para><see href="https://bitbucket.org/chromiumembedded/cef/src/master/include/capi/cef_scheme_capi.h">CEF source file: /include/capi/cef_scheme_capi.h (cef_scheme_handler_factory_t)</see></para>
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/// </remarks>
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TCefSchemeHandlerFactoryOwn = class(TCefBaseRefCountedOwn, ICefSchemeHandlerFactory)
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protected
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FClass : TCefResourceHandlerClass;
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/// <summary>
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/// Return a new resource handler instance to handle the request or an NULL
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/// reference to allow default handling of the request. |browser| and |frame|
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/// will be the browser window and frame respectively that originated the
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/// request or NULL if the request did not originate from a browser window
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/// (for example, if the request came from ICefUrlRequest). The |request|
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/// object passed to this function cannot be modified.
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/// </summary>
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function New(const browser: ICefBrowser; const frame: ICefFrame; const schemeName: ustring; const request: ICefRequest): ICefResourceHandler; virtual;
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public
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/// <summary>
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/// Constructor of the scheme handler factory.
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/// </summary>
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/// <param name="AClass">Class of the custom resource handler used to handle custom scheme requests.</param>
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constructor Create(const AClass: TCefResourceHandlerClass); virtual;
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end;
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implementation
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uses
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uCEFMiscFunctions, uCEFLibFunctions, uCEFBrowser, uCEFFrame, uCEFRequest;
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function cef_scheme_handler_factory_create( self : PCefSchemeHandlerFactory;
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browser : PCefBrowser;
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frame : PCefFrame;
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const scheme_name : PCefString;
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request : PCefRequest): PCefResourceHandler; stdcall;
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var
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TempObject : TObject;
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begin
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Result := nil;
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefSchemeHandlerFactoryOwn) then
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Result := CefGetData(TCefSchemeHandlerFactoryOwn(TempObject).New(TCefBrowserRef.UnWrap(browser),
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TCefFrameRef.UnWrap(frame),
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CefString(scheme_name),
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TCefRequestRef.UnWrap(request)));
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end;
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constructor TCefSchemeHandlerFactoryOwn.Create(const AClass: TCefResourceHandlerClass);
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begin
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inherited CreateData(SizeOf(TCefSchemeHandlerFactory));
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FClass := AClass;
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PCefSchemeHandlerFactory(FData)^.create := {$IFDEF FPC}@{$ENDIF}cef_scheme_handler_factory_create;
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end;
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function TCefSchemeHandlerFactoryOwn.New(const browser : ICefBrowser;
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const frame : ICefFrame;
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const schemeName : ustring;
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const request : ICefRequest): ICefResourceHandler;
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begin
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if (FClass <> nil) then
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Result := FClass.Create(browser, frame, schemeName, request)
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else
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Result := nil;
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end;
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end.
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