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CEF4Delphi/source/uCEFServerHandler.pas
Salvador Díaz Fau e29989623e Update to CEF 3.3282.1731.gfc9a4fa 
- Chromium 64.0.3282.119 which should include partial MP3 support.
- Fixed stability issues when you closed the browser due to circular interface references.
- Fixed TCefRTTIExtension thanks to Pier.
- Added the JSRTTIExtension demo to test TCefRTTIExtension.
- Added the TCustomResponseFilter class to filter the resource contents.
- Added the ResponseFilterBrowser demo to test the new TCustomResponseFilter class.
2018-02-03 17:52:48 +01:00

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// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF3 to embed a chromium-based
// browser in Delphi applications.
//
// The original license of DCEF3 still applies to CEF4Delphi.
//
// For more information about CEF4Delphi visit :
// https://www.briskbard.com/index.php?lang=en&pageid=cef
//
// Copyright © 2018 Salvador Díaz Fau. All rights reserved.
//
// ************************************************************************
// ************ vvvv Original license and comments below vvvv *************
// ************************************************************************
(*
* Delphi Chromium Embedded 3
*
* Usage allowed under the restrictions of the Lesser GNU General Public License
* or alternatively the restrictions of the Mozilla Public License 1.1
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* Unit owner : Henri Gourvest <hgourvest@gmail.com>
* Web site : http://www.progdigy.com
* Repository : http://code.google.com/p/delphichromiumembedded/
* Group : http://groups.google.com/group/delphichromiumembedded
*
* Embarcadero Technologies, Inc is not permitted to use or redistribute
* this source code without explicit permission.
*
*)
unit uCEFServerHandler;
{$IFNDEF CPUX64}
{$ALIGN ON}
{$MINENUMSIZE 4}
{$ENDIF}
{$I cef.inc}
interface
uses
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
type
TCEFServerHandlerOwn = class(TCefBaseRefCountedOwn, ICefServerHandler)
protected
procedure OnServerCreated(const server: ICefServer); virtual;
procedure OnServerDestroyed(const server: ICefServer); virtual;
procedure OnClientConnected(const server: ICefServer; connection_id: Integer); virtual;
procedure OnClientDisconnected(const server: ICefServer; connection_id: Integer); virtual;
procedure OnHttpRequest(const server: ICefServer; connection_id: Integer; const client_address: ustring; const request: ICefRequest); virtual;
procedure OnWebSocketRequest(const server: ICefServer; connection_id: Integer; const client_address: ustring; const request: ICefRequest; const callback: ICefCallback); virtual;
procedure OnWebSocketConnected(const server: ICefServer; connection_id: Integer); virtual;
procedure OnWebSocketMessage(const server: ICefServer; connection_id: Integer; const data: Pointer; data_size: NativeUInt); virtual;
public
constructor Create; virtual;
end;
TCustomServerHandler = class(TCEFServerHandlerOwn)
protected
FEvents : IServerEvents;
procedure OnServerCreated(const server: ICefServer); override;
procedure OnServerDestroyed(const server: ICefServer); override;
procedure OnClientConnected(const server: ICefServer; connection_id: Integer); override;
procedure OnClientDisconnected(const server: ICefServer; connection_id: Integer); override;
procedure OnHttpRequest(const server: ICefServer; connection_id: Integer; const client_address: ustring; const request: ICefRequest); override;
procedure OnWebSocketRequest(const server: ICefServer; connection_id: Integer; const client_address: ustring; const request: ICefRequest; const callback: ICefCallback); override;
procedure OnWebSocketConnected(const server: ICefServer; connection_id: Integer); override;
procedure OnWebSocketMessage(const server: ICefServer; connection_id: Integer; const data: Pointer; data_size: NativeUInt); override;
public
constructor Create(const events: IServerEvents); reintroduce;
destructor Destroy; override;
end;
implementation
uses
{$IFDEF DELPHI16_UP}
System.SysUtils,
{$ELSE}
SysUtils,
{$ENDIF}
uCEFMiscFunctions, uCEFLibFunctions, uCEFServer, uCEFRequest, uCEFCallback;
// **************************************************************
// ******************** TCEFServerHandlerOwn ********************
// **************************************************************
procedure cef_load_handler_on_server_created(self : PCefServerHandler;
server : PCefServer); stdcall;
begin
with TCEFServerHandlerOwn(CefGetObject(self)) do
OnServerCreated(TCEFServerRef.UnWrap(server));
end;
procedure cef_load_handler_on_server_destroyed(self : PCefServerHandler;
server : PCefServer); stdcall;
begin
with TCEFServerHandlerOwn(CefGetObject(self)) do
OnServerDestroyed(TCEFServerRef.UnWrap(server));
end;
procedure cef_load_handler_on_client_connected(self : PCefServerHandler;
server : PCefServer;
connection_id : Integer); stdcall;
begin
with TCEFServerHandlerOwn(CefGetObject(self)) do
OnClientConnected(TCEFServerRef.UnWrap(server), connection_id);
end;
procedure cef_load_handler_on_client_disconnected(self : PCefServerHandler;
server : PCefServer;
connection_id : Integer); stdcall;
begin
with TCEFServerHandlerOwn(CefGetObject(self)) do
OnClientDisconnected(TCEFServerRef.UnWrap(server), connection_id);
end;
procedure cef_load_handler_on_http_request(self : PCefServerHandler;
server : PCefServer;
connection_id : Integer;
const client_address : PCefString;
request : PCefRequest); stdcall;
begin
with TCEFServerHandlerOwn(CefGetObject(self)) do
OnHttpRequest(TCEFServerRef.UnWrap(server),
connection_id,
CefString(client_address),
TCefRequestRef.UnWrap(request));
end;
procedure cef_load_handler_on_web_socket_request(self : PCefServerHandler;
server : PCefServer;
connection_id : Integer;
const client_address : PCefString;
request : PCefRequest;
callback : PCefCallback); stdcall;
begin
with TCEFServerHandlerOwn(CefGetObject(self)) do
OnWebSocketRequest(TCEFServerRef.UnWrap(server),
connection_id,
CefString(client_address),
TCefRequestRef.UnWrap(request),
TCefCallbackRef.UnWrap(callback));
end;
procedure cef_load_handler_on_web_socket_connected(self : PCefServerHandler;
server : PCefServer;
connection_id : Integer); stdcall;
begin
with TCEFServerHandlerOwn(CefGetObject(self)) do
OnWebSocketConnected(TCEFServerRef.UnWrap(server), connection_id);
end;
procedure cef_load_handler_on_web_socket_message(self : PCefServerHandler;
server : PCefServer;
connection_id : Integer;
const data : Pointer;
data_size : NativeUInt); stdcall;
begin
with TCEFServerHandlerOwn(CefGetObject(self)) do
OnWebSocketMessage(TCEFServerRef.UnWrap(server),
connection_id,
data,
data_size);
end;
constructor TCEFServerHandlerOwn.Create;
begin
inherited CreateData(SizeOf(TCEFServerHandler));
with PCEFServerHandler(FData)^ do
begin
on_server_created := cef_load_handler_on_server_created;
on_server_destroyed := cef_load_handler_on_server_destroyed;
on_client_connected := cef_load_handler_on_client_connected;
on_client_disconnected := cef_load_handler_on_client_disconnected;
on_http_request := cef_load_handler_on_http_request;
on_web_socket_request := cef_load_handler_on_web_socket_request;
on_web_socket_connected := cef_load_handler_on_web_socket_connected;
on_web_socket_message := cef_load_handler_on_web_socket_message;
end;
end;
procedure TCEFServerHandlerOwn.OnServerCreated(const server: ICefServer);
begin
//
end;
procedure TCEFServerHandlerOwn.OnServerDestroyed(const server: ICefServer);
begin
//
end;
procedure TCEFServerHandlerOwn.OnClientConnected(const server: ICefServer; connection_id: Integer);
begin
//
end;
procedure TCEFServerHandlerOwn.OnClientDisconnected(const server: ICefServer; connection_id: Integer);
begin
//
end;
procedure TCEFServerHandlerOwn.OnHttpRequest(const server: ICefServer; connection_id: Integer; const client_address: ustring; const request: ICefRequest);
begin
//
end;
procedure TCEFServerHandlerOwn.OnWebSocketRequest(const server: ICefServer; connection_id: Integer; const client_address: ustring; const request: ICefRequest; const callback: ICefCallback);
begin
//
end;
procedure TCEFServerHandlerOwn.OnWebSocketConnected(const server: ICefServer; connection_id: Integer);
begin
//
end;
procedure TCEFServerHandlerOwn.OnWebSocketMessage(const server: ICefServer; connection_id: Integer; const data: Pointer; data_size: NativeUInt);
begin
//
end;
// ************************************************************************
// ************************* TCustomServerHandler *************************
// ************************************************************************
constructor TCustomServerHandler.Create(const events: IServerEvents);
begin
inherited Create;
FEvents := events;
end;
destructor TCustomServerHandler.Destroy;
begin
FEvents := nil;
inherited Destroy;
end;
procedure TCustomServerHandler.OnServerCreated(const server: ICefServer);
begin
try
if (FEvents <> nil) then FEvents.doOnServerCreated(server);
except
on e : exception do
if CustomExceptionHandler('TCustomServerHandler.OnServerCreated', e) then raise;
end;
end;
procedure TCustomServerHandler.OnServerDestroyed(const server: ICefServer);
begin
try
if (FEvents <> nil) then FEvents.doOnServerDestroyed(server);
except
on e : exception do
if CustomExceptionHandler('TCustomServerHandler.OnServerDestroyed', e) then raise;
end;
end;
procedure TCustomServerHandler.OnClientConnected(const server: ICefServer; connection_id: Integer);
begin
try
if (FEvents <> nil) then FEvents.doOnClientConnected(server, connection_id);
except
on e : exception do
if CustomExceptionHandler('TCustomServerHandler.OnClientConnected', e) then raise;
end;
end;
procedure TCustomServerHandler.OnClientDisconnected(const server: ICefServer; connection_id: Integer);
begin
try
if (FEvents <> nil) then FEvents.doOnClientDisconnected(server, connection_id);
except
on e : exception do
if CustomExceptionHandler('TCustomServerHandler.OnClientDisconnected', e) then raise;
end;
end;
procedure TCustomServerHandler.OnHttpRequest(const server: ICefServer; connection_id: Integer; const client_address: ustring; const request: ICefRequest);
begin
try
if (FEvents <> nil) then FEvents.doOnHttpRequest(server, connection_id, client_address, request);
except
on e : exception do
if CustomExceptionHandler('TCustomServerHandler.OnHttpRequest', e) then raise;
end;
end;
procedure TCustomServerHandler.OnWebSocketRequest(const server: ICefServer; connection_id: Integer; const client_address: ustring; const request: ICefRequest; const callback: ICefCallback);
begin
try
if (FEvents <> nil) then FEvents.doOnWebSocketRequest(server, connection_id, client_address, request, callback);
except
on e : exception do
if CustomExceptionHandler('TCustomServerHandler.OnWebSocketRequest', e) then raise;
end;
end;
procedure TCustomServerHandler.OnWebSocketConnected(const server: ICefServer; connection_id: Integer);
begin
try
if (FEvents <> nil) then FEvents.doOnWebSocketConnected(server, connection_id);
except
on e : exception do
if CustomExceptionHandler('TCustomServerHandler.OnWebSocketConnected', e) then raise;
end;
end;
procedure TCustomServerHandler.OnWebSocketMessage(const server: ICefServer; connection_id: Integer; const data: Pointer; data_size: NativeUInt);
begin
try
if (FEvents <> nil) then FEvents.doOnWebSocketMessage(server, connection_id, data, data_size);
except
on e : exception do
if CustomExceptionHandler('TCustomServerHandler.OnWebSocketMessage', e) then raise;
end;
end;
end.
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