CEF4Delphi/source/uCEFMediaSinkDeviceInfoCallback.pas

unit uCEFMediaSinkDeviceInfoCallback;

{$IFDEF FPC}
  {$MODE OBJFPC}{$H+}
{$ENDIF}

{$I cef.inc}

{$IFNDEF TARGET_64BITS}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}

interface

uses
  uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;

type
  TCefMediaSinkDeviceInfoCallbackOwn = class(TCefBaseRefCountedOwn, ICefMediaSinkDeviceInfoCallback)
    protected
      procedure OnMediaSinkDeviceInfo(const ip_address: ustring; port: integer; const model_name: ustring); virtual; abstract;
    public
      constructor Create; virtual;
  end;

  TCefFastMediaSinkDeviceInfoCallback = class(TCefMediaSinkDeviceInfoCallbackOwn)
    protected
      FCallback: TCefMediaSinkDeviceInfoCallbackProc;

      procedure OnMediaSinkDeviceInfo(const ip_address: ustring; port: integer; const model_name: ustring); override;
    public
      constructor Create(const callback: TCefMediaSinkDeviceInfoCallbackProc); reintroduce;
      destructor  Destroy; override;
  end;

  TCefCustomMediaSinkDeviceInfoCallback = class(TCefMediaSinkDeviceInfoCallbackOwn)
    protected
      FEvents : Pointer;

      procedure OnMediaSinkDeviceInfo(const ip_address: ustring; port: integer; const model_name: ustring); override;
    public
      constructor Create(const aEvents : IChromiumEvents); reintroduce;
      destructor  Destroy; override;
  end;

implementation

uses
  {$IFDEF DELPHI16_UP}
  System.SysUtils,
  {$ELSE}
  SysUtils,
  {$ENDIF}
  uCEFMiscFunctions, uCEFLibFunctions, uCEFMediaSink;

procedure cef_media_sink_device_info_callback_on_media_sink_device_info(self        : PCefMediaSinkDeviceInfoCallback;
                                                                        device_info : PCefMediaSinkDeviceInfo); stdcall;
var
  TempObject : TObject;
begin
  TempObject := CefGetObject(self);

  if (TempObject <> nil) and (TempObject is TCefMediaSinkDeviceInfoCallbackOwn) then
    TCefMediaSinkDeviceInfoCallbackOwn(TempObject).OnMediaSinkDeviceInfo(CefString(@device_info^.ip_address),
                                                                         device_info^.port,
                                                                         CefString(@device_info^.model_name));
end;


// ****************************************************************
// ************** TCefMediaSinkDeviceInfoCallbackOwn **************
// ****************************************************************

constructor TCefMediaSinkDeviceInfoCallbackOwn.Create;
begin
  inherited CreateData(SizeOf(TCefMediaSinkDeviceInfoCallback));

  PCefMediaSinkDeviceInfoCallback(FData)^.on_media_sink_device_info :=
    {$IFDEF FPC}@{$ENDIF}cef_media_sink_device_info_callback_on_media_sink_device_info;
end;


// *****************************************************************
// ************** TCefFastMediaSinkDeviceInfoCallback **************
// *****************************************************************

constructor TCefFastMediaSinkDeviceInfoCallback.Create(const callback: TCefMediaSinkDeviceInfoCallbackProc);
begin
  inherited Create;

  FCallback := callback;
end;

procedure TCefFastMediaSinkDeviceInfoCallback.OnMediaSinkDeviceInfo(const ip_address: ustring; port: integer; const model_name: ustring);
begin
  if assigned(FCallback) then
    FCallback(ip_address, port, model_name);
end;

destructor TCefFastMediaSinkDeviceInfoCallback.Destroy;
begin
  FCallback := nil;

  inherited Destroy;
end;


// *******************************************************************
// ************** TCefCustomMediaSinkDeviceInfoCallback **************
// *******************************************************************

constructor TCefCustomMediaSinkDeviceInfoCallback.Create(const aEvents : IChromiumEvents);
begin
  inherited Create;

  FEvents := Pointer(aEvents);
end;

destructor TCefCustomMediaSinkDeviceInfoCallback.Destroy;
begin
  FEvents := nil;

  inherited Destroy;
end;

procedure TCefCustomMediaSinkDeviceInfoCallback.OnMediaSinkDeviceInfo(const ip_address: ustring; port: integer; const model_name: ustring);
begin
  try
    try
      if (FEvents <> nil) then
        IChromiumEvents(FEvents).doOnMediaSinkDeviceInfo(ip_address, port, model_name);
    except
      on e : exception do
        if CustomExceptionHandler('TCefCustomMediaSinkDeviceInfoCallback.OnMediaSinkDeviceInfo', e) then raise;
    end;
  finally
    FEvents := nil;
  end;
end;

end.