mirror of
https://github.com/salvadordf/CEF4Delphi.git
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301 lines
11 KiB
ObjectPascal
301 lines
11 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 CEF 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 © 2021 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 uCEFUrlrequestClient;
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{$IFDEF FPC}
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{$MODE OBJFPC}{$H+}
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{$ENDIF}
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{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
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{$MINENUMSIZE 4}
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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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TCefUrlrequestClientOwn = class(TCefBaseRefCountedOwn, ICefUrlrequestClient)
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protected
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procedure OnRequestComplete(const request: ICefUrlRequest); virtual;
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procedure OnUploadProgress(const request: ICefUrlRequest; current, total: Int64); virtual;
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procedure OnDownloadProgress(const request: ICefUrlRequest; current, total: Int64); virtual;
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procedure OnDownloadData(const request: ICefUrlRequest; data: Pointer; dataLength: NativeUInt); virtual;
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function OnGetAuthCredentials(isProxy: Boolean; const host: ustring; port: Integer; const realm, scheme: ustring; const callback: ICefAuthCallback): Boolean; virtual;
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procedure RemoveReferences; virtual;
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public
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constructor Create; virtual;
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end;
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TCustomCefUrlrequestClient = class(TCefUrlrequestClientOwn)
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protected
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FEvents : Pointer;
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procedure OnRequestComplete(const request: ICefUrlRequest); override;
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procedure OnUploadProgress(const request: ICefUrlRequest; current, total: Int64); override;
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procedure OnDownloadProgress(const request: ICefUrlRequest; current, total: Int64); override;
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procedure OnDownloadData(const request: ICefUrlRequest; data: Pointer; dataLength: NativeUInt); override;
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function OnGetAuthCredentials(isProxy: Boolean; const host: ustring; port: Integer; const realm, scheme: ustring; const callback: ICefAuthCallback): Boolean; override;
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procedure RemoveReferences; override;
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public
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constructor Create(const events: ICEFUrlRequestClientEvents); reintroduce;
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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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{$IFDEF DELPHI16_UP}
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System.SysUtils,
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{$ELSE}
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SysUtils,
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{$ENDIF}
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uCEFMiscFunctions, uCEFLibFunctions, uCEFUrlRequest, uCEFAuthCallback;
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// TCefUrlrequestClientOwn
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procedure cef_url_request_client_on_request_complete(self : PCefUrlRequestClient;
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request : PCefUrlRequest); 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 TCefUrlrequestClientOwn) then
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TCefUrlrequestClientOwn(TempObject).OnRequestComplete(TCefUrlRequestRef.UnWrap(request));
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end;
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procedure cef_url_request_client_on_upload_progress(self : PCefUrlRequestClient;
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request : PCefUrlRequest;
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current : Int64;
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total : Int64); 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 TCefUrlrequestClientOwn) then
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TCefUrlrequestClientOwn(TempObject).OnUploadProgress(TCefUrlRequestRef.UnWrap(request),
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current,
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total);
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end;
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procedure cef_url_request_client_on_download_progress(self : PCefUrlRequestClient;
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request : PCefUrlRequest;
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current : Int64;
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total : Int64); 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 TCefUrlrequestClientOwn) then
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TCefUrlrequestClientOwn(TempObject).OnDownloadProgress(TCefUrlRequestRef.UnWrap(request),
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current,
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total);
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end;
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procedure cef_url_request_client_on_download_data( self : PCefUrlRequestClient;
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request : PCefUrlRequest;
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const data : Pointer;
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data_length : NativeUInt); 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 TCefUrlrequestClientOwn) then
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TCefUrlrequestClientOwn(TempObject).OnDownloadData(TCefUrlRequestRef.UnWrap(request),
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data,
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data_length);
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end;
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function cef_url_request_client_get_auth_credentials( self : PCefUrlRequestClient;
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isProxy : Integer;
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const host : PCefString;
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port : Integer;
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const realm : PCefString;
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const scheme : PCefString;
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callback : PCefAuthCallback): Integer; stdcall;
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var
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TempObject : TObject;
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begin
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Result := Ord(False);
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCefUrlrequestClientOwn) then
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Result := Ord(TCefUrlrequestClientOwn(TempObject).OnGetAuthCredentials(isProxy <> 0,
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CefString(host),
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port,
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CefString(realm),
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CefString(scheme),
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TCefAuthCallbackRef.UnWrap(callback)));
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end;
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constructor TCefUrlrequestClientOwn.Create;
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begin
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inherited CreateData(SizeOf(TCefUrlrequestClient));
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with PCefUrlrequestClient(FData)^ do
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begin
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on_request_complete := {$IFDEF FPC}@{$ENDIF}cef_url_request_client_on_request_complete;
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on_upload_progress := {$IFDEF FPC}@{$ENDIF}cef_url_request_client_on_upload_progress;
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on_download_progress := {$IFDEF FPC}@{$ENDIF}cef_url_request_client_on_download_progress;
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on_download_data := {$IFDEF FPC}@{$ENDIF}cef_url_request_client_on_download_data;
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get_auth_credentials := {$IFDEF FPC}@{$ENDIF}cef_url_request_client_get_auth_credentials;
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end;
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end;
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procedure TCefUrlrequestClientOwn.OnDownloadData(const request: ICefUrlRequest; data: Pointer; dataLength: NativeUInt);
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begin
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//
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end;
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procedure TCefUrlrequestClientOwn.OnDownloadProgress(const request: ICefUrlRequest; current, total: Int64);
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begin
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//
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end;
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function TCefUrlrequestClientOwn.OnGetAuthCredentials(isProxy: Boolean; const host: ustring; port: Integer; const realm, scheme: ustring; const callback: ICefAuthCallback): Boolean;
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begin
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Result := False;
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end;
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procedure TCefUrlrequestClientOwn.RemoveReferences;
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begin
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//
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end;
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procedure TCefUrlrequestClientOwn.OnRequestComplete(const request: ICefUrlRequest);
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begin
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//
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end;
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procedure TCefUrlrequestClientOwn.OnUploadProgress(const request: ICefUrlRequest; current, total: Int64);
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begin
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//
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end;
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// TCustomCefUrlrequestClient
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constructor TCustomCefUrlrequestClient.Create(const events: ICEFUrlRequestClientEvents);
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begin
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inherited Create;
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FEvents := Pointer(events);
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end;
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destructor TCustomCefUrlrequestClient.Destroy;
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begin
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RemoveReferences;
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inherited Destroy;
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end;
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procedure TCustomCefUrlrequestClient.OnRequestComplete(const request: ICefUrlRequest);
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begin
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try
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if (FEvents <> nil) then
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ICEFUrlRequestClientEvents(FEvents).doOnRequestComplete(request);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomCefUrlrequestClient.OnRequestComplete', e) then raise;
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end;
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end;
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procedure TCustomCefUrlrequestClient.OnUploadProgress(const request: ICefUrlRequest; current, total: Int64);
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begin
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try
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if (FEvents <> nil) then
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ICEFUrlRequestClientEvents(FEvents).doOnUploadProgress(request, current, total);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomCefUrlrequestClient.OnUploadProgress', e) then raise;
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end;
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end;
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procedure TCustomCefUrlrequestClient.OnDownloadProgress(const request: ICefUrlRequest; current, total: Int64);
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begin
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try
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if (FEvents <> nil) then
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ICEFUrlRequestClientEvents(FEvents).doOnDownloadProgress(request, current, total);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomCefUrlrequestClient.OnDownloadProgress', e) then raise;
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end;
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end;
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procedure TCustomCefUrlrequestClient.OnDownloadData(const request: ICefUrlRequest; data: Pointer; dataLength: NativeUInt);
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begin
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try
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if (FEvents <> nil) then
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ICEFUrlRequestClientEvents(FEvents).doOnDownloadData(request, data, dataLength);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomCefUrlrequestClient.OnDownloadData', e) then raise;
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end;
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end;
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function TCustomCefUrlrequestClient.OnGetAuthCredentials(isProxy: Boolean; const host: ustring; port: Integer; const realm, scheme: ustring; const callback: ICefAuthCallback): Boolean;
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begin
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Result := False;
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try
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if (FEvents <> nil) then
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Result := ICEFUrlRequestClientEvents(FEvents).doOnGetAuthCredentials(isProxy, host, port, realm, scheme, callback);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomCefUrlrequestClient.OnGetAuthCredentials', e) then raise;
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end;
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end;
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procedure TCustomCefUrlrequestClient.RemoveReferences;
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begin
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FEvents := nil;
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end;
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end.
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