CEF4Delphi/demos/MiniBrowser/uTestExtension.pas
2017-02-11 21:56:08 +01:00

115 lines
3.2 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
TCustomRenderProcessHandler = class(TCefRenderProcessHandlerOwn)
protected
procedure OnWebKitInitialized; override;
end;
TCustomBrowserProcessHandler = class(TCefBrowserProcessHandlerOwn)
protected
procedure OnScheduleMessagePumpWork(delayMs: Int64); override;
end;
TTestExtension = class
class function hello: string;
class procedure mouseover(const data: string);
end;
implementation
var
pumpMessages: Integer = 0;
{ TCustomRenderProcessHandler }
function getpath(const n: ICefDomNode): string;
begin
Result := '<' + n.Name + '>';
if (n.Parent <> nil) then
Result := getpath(n.Parent) + Result;
end;
procedure TCustomRenderProcessHandler.OnWebKitInitialized;
begin
{$IFDEF DELPHI14_UP}
TCefRTTIExtension.Register('app', TTestExtension);
{$ENDIF}
end;
{ TTestExtension }
class procedure TTestExtension.mouseover(const data: string);
var
msg: ICefProcessMessage;
begin
msg := TCefProcessMessageRef.New('mouseover');
msg.ArgumentList.SetString(0, data);
TCefv8ContextRef.Current.Browser.SendProcessMessage(PID_BROWSER, msg);
end;
class function TTestExtension.hello: string;
begin
Result := 'Hello from Delphi';
end;
{ TCustomBrowserProcessHandler }
procedure TCustomBrowserProcessHandler.OnScheduleMessagePumpWork(
delayMs: Int64);
begin
InterlockedExchange(pumpMessages, 1);
end;
end.