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Update to CEF 83.4.0
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Salvador Díaz Fau
313
source/uCEFDevToolsMessageObserver.pas
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313
source/uCEFDevToolsMessageObserver.pas
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// ************************************************************************
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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 � 2020 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 uCEFDevToolsMessageObserver;
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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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TCEFDevToolsMessageObserverOwn = class(TCefBaseRefCountedOwn, ICefDevToolsMessageObserver)
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protected
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procedure OnDevToolsMessage(const browser: ICefBrowser; const message_: ICefValue; var aHandled: boolean); virtual;
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procedure OnDevToolsMethodResult(const browser: ICefBrowser; message_id: integer; success: boolean; const result: ICefValue); virtual;
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procedure OnDevToolsEvent(const method: ustring; const params: ICefValue); virtual;
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procedure OnDevToolsAgentAttached(const browser: ICefBrowser); virtual;
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procedure OnDevToolsAgentDetached(const browser: ICefBrowser); virtual;
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public
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constructor Create; virtual;
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end;
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TCustomDevToolsMessageObserver = class(TCEFDevToolsMessageObserverOwn)
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protected
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FEvents : Pointer;
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procedure OnDevToolsMessage(const browser: ICefBrowser; const message_: ICefValue; var aHandled: boolean); override;
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procedure OnDevToolsMethodResult(const browser: ICefBrowser; message_id: integer; success: boolean; const result: ICefValue); override;
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procedure OnDevToolsEvent(const method: ustring; const params: ICefValue); override;
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procedure OnDevToolsAgentAttached(const browser: ICefBrowser); override;
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procedure OnDevToolsAgentDetached(const browser: ICefBrowser); override;
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public
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constructor Create(const events: IChromiumEvents); 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, uCEFBrowser;
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// ************************************************************
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// ************** TCEFDevToolsMessageObserverOwn **************
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// ************************************************************
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function cef_on_dev_tools_message( self : PCefDevToolsMessageObserver;
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browser : PCefBrowser;
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const message_ : Pointer;
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message_size : NativeUInt): Integer; stdcall;
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var
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TempObject : TObject;
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TempHandled : boolean;
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TempValue : ICefValue;
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begin
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TempObject := CefGetObject(self);
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TempHandled := False;
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if (TempObject <> nil) and (TempObject is TCEFDevToolsMessageObserverOwn) then
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try
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TempValue := CefParseJson(message_, message_size);
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TCEFDevToolsMessageObserverOwn(TempObject).OnDevToolsMessage(TCefBrowserRef.UnWrap(browser),
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TempValue,
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TempHandled);
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finally
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TempValue := nil;
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end;
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Result := ord(TempHandled);
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end;
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procedure cef_on_dev_tools_method_result( self : PCefDevToolsMessageObserver;
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browser : PCefBrowser;
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message_id : Integer;
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success : Integer;
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const result : Pointer;
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result_size : NativeUInt); stdcall;
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var
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TempObject : TObject;
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TempValue : ICefValue;
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begin
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCEFDevToolsMessageObserverOwn) then
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try
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TempValue := CefParseJson(result, result_size);
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TCEFDevToolsMessageObserverOwn(TempObject).OnDevToolsMethodResult(TCefBrowserRef.UnWrap(browser),
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message_id,
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success <> 0,
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TempValue);
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finally
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TempValue := nil;
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end;
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end;
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procedure cef_on_dev_tools_event( self : PCefDevToolsMessageObserver;
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const method : PCefString;
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const params : Pointer;
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params_size : NativeUInt); stdcall;
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var
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TempObject : TObject;
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TempValue : ICefValue;
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begin
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TempObject := CefGetObject(self);
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if (TempObject <> nil) and (TempObject is TCEFDevToolsMessageObserverOwn) then
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try
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TempValue := CefParseJson(params, params_size);
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TCEFDevToolsMessageObserverOwn(TempObject).OnDevToolsEvent(CefString(method),
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TempValue);
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finally
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TempValue := nil;
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end;
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end;
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procedure cef_on_dev_tools_agent_attached(self : PCefDevToolsMessageObserver;
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browser : PCefBrowser); 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 TCEFDevToolsMessageObserverOwn) then
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TCEFDevToolsMessageObserverOwn(TempObject).OnDevToolsAgentAttached(TCefBrowserRef.UnWrap(browser));
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end;
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procedure cef_on_dev_tools_agent_detached(self : PCefDevToolsMessageObserver;
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browser : PCefBrowser); 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 TCEFDevToolsMessageObserverOwn) then
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TCEFDevToolsMessageObserverOwn(TempObject).OnDevToolsAgentDetached(TCefBrowserRef.UnWrap(browser));
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end;
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constructor TCEFDevToolsMessageObserverOwn.Create;
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begin
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inherited CreateData(SizeOf(TCefDevToolsMessageObserver));
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with PCefDevToolsMessageObserver(FData)^ do
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begin
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on_dev_tools_message := {$IFDEF FPC}@{$ENDIF}cef_on_dev_tools_message;
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on_dev_tools_method_result := {$IFDEF FPC}@{$ENDIF}cef_on_dev_tools_method_result;
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on_dev_tools_event := {$IFDEF FPC}@{$ENDIF}cef_on_dev_tools_event;
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on_dev_tools_agent_attached := {$IFDEF FPC}@{$ENDIF}cef_on_dev_tools_agent_attached;
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on_dev_tools_agent_detached := {$IFDEF FPC}@{$ENDIF}cef_on_dev_tools_agent_detached;
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end;
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end;
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procedure TCEFDevToolsMessageObserverOwn.OnDevToolsMessage(const browser : ICefBrowser;
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const message_ : ICefValue;
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var aHandled : boolean);
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begin
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//
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end;
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procedure TCEFDevToolsMessageObserverOwn.OnDevToolsMethodResult(const browser : ICefBrowser;
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message_id : integer;
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success : boolean;
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const result : ICefValue);
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begin
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//
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end;
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procedure TCEFDevToolsMessageObserverOwn.OnDevToolsEvent(const method : ustring;
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const params : ICefValue);
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begin
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//
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end;
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procedure TCEFDevToolsMessageObserverOwn.OnDevToolsAgentAttached(const browser: ICefBrowser);
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begin
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//
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end;
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procedure TCEFDevToolsMessageObserverOwn.OnDevToolsAgentDetached(const browser: ICefBrowser);
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begin
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//
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end;
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// ************************************************************
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// ************** TCustomDevToolsMessageObserver **************
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// ************************************************************
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constructor TCustomDevToolsMessageObserver.Create(const events: IChromiumEvents);
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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 TCustomDevToolsMessageObserver.Destroy;
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begin
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FEvents := nil;
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inherited Destroy;
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end;
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procedure TCustomDevToolsMessageObserver.OnDevToolsMessage(const browser : ICefBrowser;
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const message_ : ICefValue;
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var aHandled : boolean);
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begin
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try
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if (FEvents <> nil) then
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IChromiumEvents(FEvents).doOnDevToolsMessage(browser, message_, aHandled);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomDevToolsMessageObserver.OnDevToolsMessage', e) then raise;
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end;
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end;
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procedure TCustomDevToolsMessageObserver.OnDevToolsMethodResult(const browser : ICefBrowser;
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message_id : integer;
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success : boolean;
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const result : ICefValue);
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begin
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try
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if (FEvents <> nil) then
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IChromiumEvents(FEvents).doOnDevToolsMethodResult(browser, message_id, success, result);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomDevToolsMessageObserver.OnDevToolsMethodResult', e) then raise;
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end;
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end;
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procedure TCustomDevToolsMessageObserver.OnDevToolsEvent(const method : ustring;
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const params : ICefValue);
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begin
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try
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if (FEvents <> nil) then
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IChromiumEvents(FEvents).doOnDevToolsEvent(method, params);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomDevToolsMessageObserver.OnDevToolsEvent', e) then raise;
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end;
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end;
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procedure TCustomDevToolsMessageObserver.OnDevToolsAgentAttached(const browser: ICefBrowser);
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begin
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try
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if (FEvents <> nil) then
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IChromiumEvents(FEvents).doOnDevToolsAgentAttached(browser);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomDevToolsMessageObserver.OnDevToolsAgentAttached', e) then raise;
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end;
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end;
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procedure TCustomDevToolsMessageObserver.OnDevToolsAgentDetached(const browser: ICefBrowser);
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begin
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try
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if (FEvents <> nil) then
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IChromiumEvents(FEvents).doOnDevToolsAgentDetached(browser);
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except
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on e : exception do
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if CustomExceptionHandler('TCustomDevToolsMessageObserver.OnDevToolsAgentDetached', e) then raise;
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end;
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end;
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end.
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