CEF4Delphi/source/uCEFDevToolsMessageObserver.pas
Salvador Diaz Fau 908017b2f5 Added new DevTools events to TChromium and missing drag adn drop properties to TCefWinControl
Added TChromium.OnDevToolsRawMessage
Added TChromium.OnDevToolsMethodRawResult
Added TChromium.OnDevToolsRawEvent
Added TCefWinControl.DragKind
Added TCefWinControl.DragCursor
Added TCefWinControl.DragMode
Added TCefWinControl.OnDragDrop
Added TCefWinControl.OnDragOver
Added TCefWinControl.OnStartDrag
Added TCefWinControl.OnEndDrag
2021-01-16 14:35:01 +01:00

309 lines
12 KiB
ObjectPascal

// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF 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 © 2021 Salvador Diaz 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 uCEFDevToolsMessageObserver;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
{$I cef.inc}
interface
uses
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
type
TCEFDevToolsMessageObserverOwn = class(TCefBaseRefCountedOwn, ICefDevToolsMessageObserver)
protected
procedure OnDevToolsMessage(const browser: ICefBrowser; const message_: Pointer; message_size: NativeUInt; var aHandled: boolean); virtual;
procedure OnDevToolsMethodResult(const browser: ICefBrowser; message_id: integer; success: boolean; const result: Pointer; result_size: NativeUInt); virtual;
procedure OnDevToolsEvent(const browser: ICefBrowser; const method: ustring; const params: Pointer; params_size: NativeUInt); virtual;
procedure OnDevToolsAgentAttached(const browser: ICefBrowser); virtual;
procedure OnDevToolsAgentDetached(const browser: ICefBrowser); virtual;
public
constructor Create; virtual;
end;
TCustomDevToolsMessageObserver = class(TCEFDevToolsMessageObserverOwn)
protected
FEvents : Pointer;
procedure OnDevToolsMessage(const browser: ICefBrowser; const message_: Pointer; message_size: NativeUInt; var aHandled: boolean); override;
procedure OnDevToolsMethodResult(const browser: ICefBrowser; message_id: integer; success: boolean; const result: Pointer; result_size: NativeUInt); override;
procedure OnDevToolsEvent(const browser: ICefBrowser; const method: ustring; const params: Pointer; params_size: NativeUInt); override;
procedure OnDevToolsAgentAttached(const browser: ICefBrowser); override;
procedure OnDevToolsAgentDetached(const browser: ICefBrowser); override;
public
constructor Create(const events: IChromiumEvents); reintroduce;
destructor Destroy; override;
end;
implementation
uses
{$IFDEF DELPHI16_UP}
System.SysUtils,
{$ELSE}
SysUtils,
{$ENDIF}
uCEFMiscFunctions, uCEFLibFunctions, uCEFBrowser, uCEFJson;
// ************************************************************
// ************** TCEFDevToolsMessageObserverOwn **************
// ************************************************************
function cef_on_dev_tools_message( self : PCefDevToolsMessageObserver;
browser : PCefBrowser;
const message_ : Pointer;
message_size : NativeUInt): Integer; stdcall;
var
TempObject : TObject;
TempHandled : boolean;
begin
TempObject := CefGetObject(self);
TempHandled := False;
if (TempObject <> nil) and (TempObject is TCEFDevToolsMessageObserverOwn) then
TCEFDevToolsMessageObserverOwn(TempObject).OnDevToolsMessage(TCefBrowserRef.UnWrap(browser),
message_,
message_size,
TempHandled);
Result := ord(TempHandled);
end;
procedure cef_on_dev_tools_method_result( self : PCefDevToolsMessageObserver;
browser : PCefBrowser;
message_id : Integer;
success : Integer;
const result : Pointer;
result_size : NativeUInt); stdcall;
var
TempObject : TObject;
begin
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCEFDevToolsMessageObserverOwn) then
TCEFDevToolsMessageObserverOwn(TempObject).OnDevToolsMethodResult(TCefBrowserRef.UnWrap(browser),
message_id,
success <> 0,
result,
result_size);
end;
procedure cef_on_dev_tools_event( self : PCefDevToolsMessageObserver;
browser : PCefBrowser;
const method : PCefString;
const params : Pointer;
params_size : NativeUInt); stdcall;
var
TempObject : TObject;
begin
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCEFDevToolsMessageObserverOwn) then
TCEFDevToolsMessageObserverOwn(TempObject).OnDevToolsEvent(TCefBrowserRef.UnWrap(browser),
CefString(method),
params,
params_size);
end;
procedure cef_on_dev_tools_agent_attached(self : PCefDevToolsMessageObserver;
browser : PCefBrowser); stdcall;
var
TempObject : TObject;
begin
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCEFDevToolsMessageObserverOwn) then
TCEFDevToolsMessageObserverOwn(TempObject).OnDevToolsAgentAttached(TCefBrowserRef.UnWrap(browser));
end;
procedure cef_on_dev_tools_agent_detached(self : PCefDevToolsMessageObserver;
browser : PCefBrowser); stdcall;
var
TempObject : TObject;
begin
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCEFDevToolsMessageObserverOwn) then
TCEFDevToolsMessageObserverOwn(TempObject).OnDevToolsAgentDetached(TCefBrowserRef.UnWrap(browser));
end;
constructor TCEFDevToolsMessageObserverOwn.Create;
begin
inherited CreateData(SizeOf(TCefDevToolsMessageObserver));
with PCefDevToolsMessageObserver(FData)^ do
begin
on_dev_tools_message := {$IFDEF FPC}@{$ENDIF}cef_on_dev_tools_message;
on_dev_tools_method_result := {$IFDEF FPC}@{$ENDIF}cef_on_dev_tools_method_result;
on_dev_tools_event := {$IFDEF FPC}@{$ENDIF}cef_on_dev_tools_event;
on_dev_tools_agent_attached := {$IFDEF FPC}@{$ENDIF}cef_on_dev_tools_agent_attached;
on_dev_tools_agent_detached := {$IFDEF FPC}@{$ENDIF}cef_on_dev_tools_agent_detached;
end;
end;
procedure TCEFDevToolsMessageObserverOwn.OnDevToolsMessage(const browser : ICefBrowser;
const message_ : Pointer;
message_size : NativeUInt;
var aHandled : boolean);
begin
//
end;
procedure TCEFDevToolsMessageObserverOwn.OnDevToolsMethodResult(const browser : ICefBrowser;
message_id : integer;
success : boolean;
const result : Pointer;
result_size : NativeUInt);
begin
//
end;
procedure TCEFDevToolsMessageObserverOwn.OnDevToolsEvent(const browser : ICefBrowser;
const method : ustring;
const params : Pointer;
params_size : NativeUInt);
begin
//
end;
procedure TCEFDevToolsMessageObserverOwn.OnDevToolsAgentAttached(const browser: ICefBrowser);
begin
//
end;
procedure TCEFDevToolsMessageObserverOwn.OnDevToolsAgentDetached(const browser: ICefBrowser);
begin
//
end;
// ************************************************************
// ************** TCustomDevToolsMessageObserver **************
// ************************************************************
constructor TCustomDevToolsMessageObserver.Create(const events: IChromiumEvents);
begin
inherited Create;
FEvents := Pointer(events);
end;
destructor TCustomDevToolsMessageObserver.Destroy;
begin
FEvents := nil;
inherited Destroy;
end;
procedure TCustomDevToolsMessageObserver.OnDevToolsMessage(const browser : ICefBrowser;
const message_ : Pointer;
message_size : NativeUInt;
var aHandled : boolean);
begin
try
if (FEvents <> nil) then
IChromiumEvents(FEvents).doOnDevToolsMessage(browser, message_, message_size, aHandled);
except
on e : exception do
if CustomExceptionHandler('TCustomDevToolsMessageObserver.OnDevToolsMessage', e) then raise;
end;
end;
procedure TCustomDevToolsMessageObserver.OnDevToolsMethodResult(const browser : ICefBrowser;
message_id : integer;
success : boolean;
const result : Pointer;
result_size : NativeUInt);
begin
try
if (FEvents <> nil) then
IChromiumEvents(FEvents).doOnDevToolsMethodResult(browser, message_id, success, result, result_size);
except
on e : exception do
if CustomExceptionHandler('TCustomDevToolsMessageObserver.OnDevToolsMethodResult', e) then raise;
end;
end;
procedure TCustomDevToolsMessageObserver.OnDevToolsEvent(const browser : ICefBrowser;
const method : ustring;
const params : Pointer;
params_size : NativeUInt);
begin
try
if (FEvents <> nil) then
IChromiumEvents(FEvents).doOnDevToolsEvent(browser, method, params, params_size);
except
on e : exception do
if CustomExceptionHandler('TCustomDevToolsMessageObserver.OnDevToolsEvent', e) then raise;
end;
end;
procedure TCustomDevToolsMessageObserver.OnDevToolsAgentAttached(const browser: ICefBrowser);
begin
try
if (FEvents <> nil) then
IChromiumEvents(FEvents).doOnDevToolsAgentAttached(browser);
except
on e : exception do
if CustomExceptionHandler('TCustomDevToolsMessageObserver.OnDevToolsAgentAttached', e) then raise;
end;
end;
procedure TCustomDevToolsMessageObserver.OnDevToolsAgentDetached(const browser: ICefBrowser);
begin
try
if (FEvents <> nil) then
IChromiumEvents(FEvents).doOnDevToolsAgentDetached(browser);
except
on e : exception do
if CustomExceptionHandler('TCustomDevToolsMessageObserver.OnDevToolsAgentDetached', e) then raise;
end;
end;
end.