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CEF4Delphi/demos/JSExtension/uTestExtension.pas
2017-07-25 22:50:34 +02:00

87 lines
2.8 KiB
ObjectPascal

// ************************************************************************
// ***************************** 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 © 2017 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 uTestExtension;
{$I cef.inc}
interface
uses
{$IFDEF DELPHI16_UP}
Winapi.Windows,
{$ELSE}
Windows,
{$ENDIF}
uCEFRenderProcessHandler, uCEFBrowserProcessHandler, uCEFInterfaces, uCEFProcessMessage,
uCEFv8Context, uCEFTypes, uCEFv8Handler;
type
TTestExtension = class
class procedure mouseover(const data: string);
class procedure sendresulttobrowser(const msgtext, msgname : string);
end;
implementation
uses
uCEFMiscFunctions, uCEFConstants;
class procedure TTestExtension.mouseover(const data: string);
var
msg: ICefProcessMessage;
begin
msg := TCefProcessMessageRef.New('mouseover');
msg.ArgumentList.SetString(0, data);
// Sending a message back to the browser. It'll be received in the TChromium.OnProcessMessageReceived event.
// TCefv8ContextRef.Current returns the v8 context for the frame that is currently executing Javascript.
TCefv8ContextRef.Current.Browser.SendProcessMessage(PID_BROWSER, msg);
end;
class procedure TTestExtension.sendresulttobrowser(const msgtext, msgname : string);
var
msg: ICefProcessMessage;
begin
msg := TCefProcessMessageRef.New(msgname);
msg.ArgumentList.SetString(0, msgtext);
TCefv8ContextRef.Current.Browser.SendProcessMessage(PID_BROWSER, msg);
end;
end.