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CEF4Delphi/source/uCEFWindowDelegate.pas
2021-01-01 11:11:30 +01:00

693 lines
25 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 uCEFWindowDelegate;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
{$I cef.inc}
interface
uses
{$IFDEF DELPHI16_UP}
System.Classes, System.SysUtils,
{$ELSE}
Classes, SysUtils,
{$ENDIF}
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes, uCEFPanelDelegate;
type
TCefWindowDelegateRef = class(TCefPanelDelegateRef, ICefWindowDelegate)
protected
procedure OnWindowCreated(const window: ICefWindow);
procedure OnWindowDestroyed(const window: ICefWindow);
procedure OnGetParentWindow(const window: ICefWindow; var is_menu, can_activate_menu: boolean; var aResult : ICefWindow);
procedure OnGetInitialBounds(const window: ICefWindow; var aResult : TCefRect);
procedure OnIsFrameless(const window: ICefWindow; var aResult : boolean);
procedure OnCanResize(const window: ICefWindow; var aResult : boolean);
procedure OnCanMaximize(const window: ICefWindow; var aResult : boolean);
procedure OnCanMinimize(const window: ICefWindow; var aResult : boolean);
procedure OnCanClose(const window: ICefWindow; var aResult : boolean);
procedure OnAccelerator(const window: ICefWindow; command_id: Integer; var aResult : boolean);
procedure OnKeyEvent(const window: ICefWindow; const event: TCefKeyEvent; var aResult : boolean);
public
class function UnWrap(data: Pointer): ICefWindowDelegate;
end;
TCefWindowDelegateOwn = class(TCefPanelDelegateOwn, ICefWindowDelegate)
protected
procedure OnWindowCreated(const window: ICefWindow); virtual;
procedure OnWindowDestroyed(const window: ICefWindow); virtual;
procedure OnGetParentWindow(const window: ICefWindow; var is_menu, can_activate_menu: boolean; var aResult : ICefWindow); virtual;
procedure OnGetInitialBounds(const window: ICefWindow; var aResult : TCefRect); virtual;
procedure OnIsFrameless(const window: ICefWindow; var aResult : boolean); virtual;
procedure OnCanResize(const window: ICefWindow; var aResult : boolean); virtual;
procedure OnCanMaximize(const window: ICefWindow; var aResult : boolean); virtual;
procedure OnCanMinimize(const window: ICefWindow; var aResult : boolean); virtual;
procedure OnCanClose(const window: ICefWindow; var aResult : boolean); virtual;
procedure OnAccelerator(const window: ICefWindow; command_id: Integer; var aResult : boolean); virtual;
procedure OnKeyEvent(const window: ICefWindow; const event: TCefKeyEvent; var aResult : boolean); virtual;
procedure InitializeCEFMethods; override;
public
constructor Create; override;
end;
TCustomWindowDelegate = class(TCefWindowDelegateOwn)
protected
FEvents : Pointer;
// ICefViewDelegate
procedure OnGetPreferredSize(const view: ICefView; var aResult : TCefSize); override;
procedure OnGetMinimumSize(const view: ICefView; var aResult : TCefSize); override;
procedure OnGetMaximumSize(const view: ICefView; var aResult : TCefSize); override;
procedure OnGetHeightForWidth(const view: ICefView; width: Integer; var aResult: Integer); override;
procedure OnParentViewChanged(const view: ICefView; added: boolean; const parent: ICefView); override;
procedure OnChildViewChanged(const view: ICefView; added: boolean; const child: ICefView); override;
procedure OnFocus(const view: ICefView); override;
procedure OnBlur(const view: ICefView); override;
// ICefWindowDelegate
procedure OnWindowCreated(const window: ICefWindow); override;
procedure OnWindowDestroyed(const window: ICefWindow); override;
procedure OnGetParentWindow(const window: ICefWindow; var is_menu, can_activate_menu: boolean; var aResult : ICefWindow); override;
procedure OnGetInitialBounds(const window: ICefWindow; var aResult : TCefRect); override;
procedure OnIsFrameless(const window: ICefWindow; var aResult : boolean); override;
procedure OnCanResize(const window: ICefWindow; var aResult : boolean); override;
procedure OnCanMaximize(const window: ICefWindow; var aResult : boolean); override;
procedure OnCanMinimize(const window: ICefWindow; var aResult : boolean); override;
procedure OnCanClose(const window: ICefWindow; var aResult : boolean); override;
procedure OnAccelerator(const window: ICefWindow; command_id: Integer; var aResult : boolean); override;
procedure OnKeyEvent(const window: ICefWindow; const event: TCefKeyEvent; var aResult : boolean); override;
public
constructor Create(const events: ICefWindowDelegateEvents); reintroduce;
end;
implementation
uses
uCEFLibFunctions, uCEFMiscFunctions, uCEFWindow;
// **************************************************************
// ******************* TCefWindowDelegateRef ********************
// **************************************************************
procedure TCefWindowDelegateRef.OnWindowCreated(const window: ICefWindow);
begin
PCefWindowDelegate(FData)^.on_window_created(PCefWindowDelegate(FData), CefGetData(window));
end;
procedure TCefWindowDelegateRef.OnWindowDestroyed(const window: ICefWindow);
begin
PCefWindowDelegate(FData)^.on_window_destroyed(PCefWindowDelegate(FData), CefGetData(window));
end;
procedure TCefWindowDelegateRef.OnGetParentWindow(const window : ICefWindow;
var is_menu : boolean;
var can_activate_menu : boolean;
var aResult : ICefWindow);
var
TempIsMenu, TempCanActivateMenu : integer;
begin
TempIsMenu := ord(is_menu);
TempCanActivateMenu := ord(can_activate_menu);
aResult := TCefWindowRef.UnWrap(PCefWindowDelegate(FData)^.get_parent_window(PCefWindowDelegate(FData),
CefGetData(window),
@TempIsMenu,
@TempCanActivateMenu));
is_menu := TempIsMenu <> 0;
can_activate_menu := TempCanActivateMenu <> 0;
end;
procedure TCefWindowDelegateRef.OnGetInitialBounds(const window: ICefWindow; var aResult : TCefRect);
begin
aResult := PCefWindowDelegate(FData)^.get_initial_bounds(PCefWindowDelegate(FData), CefGetData(window));
end;
procedure TCefWindowDelegateRef.OnIsFrameless(const window: ICefWindow; var aResult : boolean);
begin
aResult := (PCefWindowDelegate(FData)^.is_frameless(PCefWindowDelegate(FData), CefGetData(window)) <> 0);
end;
procedure TCefWindowDelegateRef.OnCanResize(const window: ICefWindow; var aResult : boolean);
begin
aResult := (PCefWindowDelegate(FData)^.can_resize(PCefWindowDelegate(FData), CefGetData(window)) <> 0);
end;
procedure TCefWindowDelegateRef.OnCanMaximize(const window: ICefWindow; var aResult : boolean);
begin
aResult := (PCefWindowDelegate(FData)^.can_maximize(PCefWindowDelegate(FData), CefGetData(window)) <> 0);
end;
procedure TCefWindowDelegateRef.OnCanMinimize(const window: ICefWindow; var aResult : boolean);
begin
aResult := (PCefWindowDelegate(FData)^.can_minimize(PCefWindowDelegate(FData), CefGetData(window)) <> 0);
end;
procedure TCefWindowDelegateRef.OnCanClose(const window: ICefWindow; var aResult : boolean);
begin
aResult := (PCefWindowDelegate(FData)^.can_close(PCefWindowDelegate(FData), CefGetData(window)) <> 0);
end;
procedure TCefWindowDelegateRef.OnAccelerator(const window: ICefWindow; command_id: Integer; var aResult : boolean);
begin
aResult := (PCefWindowDelegate(FData)^.on_accelerator(PCefWindowDelegate(FData), CefGetData(window), command_id) <> 0);
end;
procedure TCefWindowDelegateRef.OnKeyEvent(const window: ICefWindow; const event: TCefKeyEvent; var aResult : boolean);
begin
aResult := (PCefWindowDelegate(FData)^.on_key_event(PCefWindowDelegate(FData), CefGetData(window), @event) <> 0);
end;
class function TCefWindowDelegateRef.UnWrap(data: Pointer): ICefWindowDelegate;
begin
if (data <> nil) then
Result := Create(data) as ICefWindowDelegate
else
Result := nil;
end;
// **************************************************************
// ******************* TCefWindowDelegateOwn ********************
// **************************************************************
procedure cef_window_delegate_on_window_created(self: PCefWindowDelegate; window: PCefWindow); stdcall;
var
TempObject : TObject;
begin
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefWindowDelegateOwn) then
TCefWindowDelegateOwn(TempObject).OnWindowCreated(TCefWindowRef.UnWrap(window));
end;
procedure cef_window_delegate_on_window_destroyed(self: PCefWindowDelegate; window: PCefWindow); stdcall;
var
TempObject : TObject;
begin
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefWindowDelegateOwn) then
TCefWindowDelegateOwn(TempObject).OnWindowDestroyed(TCefWindowRef.UnWrap(window));
end;
function cef_window_delegate_get_parent_window(self : PCefWindowDelegate;
window : PCefWindow;
is_menu : PInteger;
can_activate_menu : PInteger): PCefWindow; stdcall;
var
TempObject : TObject;
TempWindow : ICefWindow;
TempIsMenu, TempCanActivateMenu : boolean;
begin
TempObject := CefGetObject(self);
TempWindow := nil;
if (TempObject <> nil) and (TempObject is TCefWindowDelegateOwn) and (is_menu <> nil) and (can_activate_menu <> nil) then
begin
TempIsMenu := (is_menu^ <> 0);
TempCanActivateMenu := (can_activate_menu^ <> 0);
TCefWindowDelegateOwn(TempObject).OnGetParentWindow(TCefWindowRef.UnWrap(window),
TempIsMenu,
TempCanActivateMenu,
TempWindow);
is_menu^ := ord(TempIsMenu);
can_activate_menu^ := ord(TempCanActivateMenu);
end;
Result := CefGetData(TempWindow);
end;
function cef_window_delegate_get_initial_bounds(self: PCefWindowDelegate; window: PCefWindow): TCefRect; stdcall;
var
TempObject : TObject;
TempRect : TCefRect;
begin
TempObject := CefGetObject(self);
TempRect.x := 0;
TempRect.y := 0;
TempRect.width := 0;
TempRect.height := 0;
if (TempObject <> nil) and (TempObject is TCefWindowDelegateOwn) then
TCefWindowDelegateOwn(TempObject).OnGetInitialBounds(TCefWindowRef.UnWrap(window),
TempRect);
Result := TempRect;
end;
function cef_window_delegate_is_frameless(self: PCefWindowDelegate; window: PCefWindow): Integer; stdcall;
var
TempObject : TObject;
TempIsFrameless : boolean;
begin
TempObject := CefGetObject(self);
TempIsFrameless := False;
if (TempObject <> nil) and (TempObject is TCefWindowDelegateOwn) then
TCefWindowDelegateOwn(TempObject).OnIsFrameless(TCefWindowRef.UnWrap(window), TempIsFrameless);
Result := ord(TempIsFrameless);
end;
function cef_window_delegate_can_resize(self: PCefWindowDelegate; window: PCefWindow): Integer; stdcall;
var
TempObject : TObject;
TempCanResize : boolean;
begin
TempObject := CefGetObject(self);
TempCanResize := True;
if (TempObject <> nil) and (TempObject is TCefWindowDelegateOwn) then
TCefWindowDelegateOwn(TempObject).OnCanResize(TCefWindowRef.UnWrap(window), TempCanResize);
Result := ord(TempCanResize);
end;
function cef_window_delegate_can_maximize(self: PCefWindowDelegate; window: PCefWindow): Integer; stdcall;
var
TempObject : TObject;
TempCanMaximize : boolean;
begin
TempObject := CefGetObject(self);
TempCanMaximize := True;
if (TempObject <> nil) and (TempObject is TCefWindowDelegateOwn) then
TCefWindowDelegateOwn(TempObject).OnCanMaximize(TCefWindowRef.UnWrap(window), TempCanMaximize);
Result := ord(TempCanMaximize);
end;
function cef_window_delegate_can_minimize(self: PCefWindowDelegate; window: PCefWindow): Integer; stdcall;
var
TempObject : TObject;
TempCanMinimize : boolean;
begin
TempObject := CefGetObject(self);
TempCanMinimize := True;
if (TempObject <> nil) and (TempObject is TCefWindowDelegateOwn) then
TCefWindowDelegateOwn(TempObject).OnCanMinimize(TCefWindowRef.UnWrap(window), TempCanMinimize);
Result := ord(TempCanMinimize);
end;
function cef_window_delegate_can_close(self: PCefWindowDelegate; window: PCefWindow): Integer; stdcall;
var
TempObject : TObject;
TempCanClose : boolean;
begin
TempObject := CefGetObject(self);
TempCanClose := True;
if (TempObject <> nil) and (TempObject is TCefWindowDelegateOwn) then
TCefWindowDelegateOwn(TempObject).OnCanClose(TCefWindowRef.UnWrap(window), TempCanClose);
Result := ord(TempCanClose);
end;
function cef_window_delegate_on_accelerator(self : PCefWindowDelegate;
window : PCefWindow;
command_id : Integer): Integer; stdcall;
var
TempObject : TObject;
TempResult : boolean;
begin
TempObject := CefGetObject(self);
TempResult := False;
if (TempObject <> nil) and (TempObject is TCefWindowDelegateOwn) then
TCefWindowDelegateOwn(TempObject).OnAccelerator(TCefWindowRef.UnWrap(window), command_id, TempResult);
Result := ord(TempResult);
end;
function cef_window_delegate_on_key_event( self : PCefWindowDelegate;
window : PCefWindow;
const event : PCefKeyEvent): Integer; stdcall;
var
TempObject : TObject;
TempResult : boolean;
begin
TempObject := CefGetObject(self);
TempResult := False;
if (TempObject <> nil) and (TempObject is TCefWindowDelegateOwn) then
TCefWindowDelegateOwn(TempObject).OnKeyEvent(TCefWindowRef.UnWrap(window), event^, TempResult);
Result := ord(TempResult);
end;
constructor TCefWindowDelegateOwn.Create;
begin
inherited CreateData(SizeOf(TCefWindowDelegate));
InitializeCEFMethods;
end;
procedure TCefWindowDelegateOwn.InitializeCEFMethods;
begin
inherited InitializeCEFMethods;
with PCefWindowDelegate(FData)^ do
begin
on_window_created := {$IFDEF FPC}@{$ENDIF}cef_window_delegate_on_window_created;
on_window_destroyed := {$IFDEF FPC}@{$ENDIF}cef_window_delegate_on_window_destroyed;
get_parent_window := {$IFDEF FPC}@{$ENDIF}cef_window_delegate_get_parent_window;
get_initial_bounds := {$IFDEF FPC}@{$ENDIF}cef_window_delegate_get_initial_bounds;
is_frameless := {$IFDEF FPC}@{$ENDIF}cef_window_delegate_is_frameless;
can_resize := {$IFDEF FPC}@{$ENDIF}cef_window_delegate_can_resize;
can_maximize := {$IFDEF FPC}@{$ENDIF}cef_window_delegate_can_maximize;
can_minimize := {$IFDEF FPC}@{$ENDIF}cef_window_delegate_can_minimize;
can_close := {$IFDEF FPC}@{$ENDIF}cef_window_delegate_can_close;
on_accelerator := {$IFDEF FPC}@{$ENDIF}cef_window_delegate_on_accelerator;
on_key_event := {$IFDEF FPC}@{$ENDIF}cef_window_delegate_on_key_event;
end;
end;
procedure TCefWindowDelegateOwn.OnWindowCreated(const window: ICefWindow);
begin
//
end;
procedure TCefWindowDelegateOwn.OnWindowDestroyed(const window: ICefWindow);
begin
//
end;
procedure TCefWindowDelegateOwn.OnGetParentWindow(const window: ICefWindow; var is_menu, can_activate_menu: boolean; var aResult : ICefWindow);
begin
//
end;
procedure TCefWindowDelegateOwn.OnGetInitialBounds(const window: ICefWindow; var aResult : TCefRect);
begin
//
end;
procedure TCefWindowDelegateOwn.OnIsFrameless(const window: ICefWindow; var aResult : boolean);
begin
//
end;
procedure TCefWindowDelegateOwn.OnCanResize(const window: ICefWindow; var aResult : boolean);
begin
//
end;
procedure TCefWindowDelegateOwn.OnCanMaximize(const window: ICefWindow; var aResult : boolean);
begin
//
end;
procedure TCefWindowDelegateOwn.OnCanMinimize(const window: ICefWindow; var aResult : boolean);
begin
//
end;
procedure TCefWindowDelegateOwn.OnCanClose(const window: ICefWindow; var aResult : boolean);
begin
//
end;
procedure TCefWindowDelegateOwn.OnAccelerator(const window: ICefWindow; command_id: Integer; var aResult : boolean);
begin
//
end;
procedure TCefWindowDelegateOwn.OnKeyEvent(const window: ICefWindow; const event: TCefKeyEvent; var aResult : boolean);
begin
//
end;
// **************************************************************
// ******************* TCustomWindowDelegate ********************
// **************************************************************
constructor TCustomWindowDelegate.Create(const events: ICefWindowDelegateEvents);
begin
inherited Create;
FEvents := Pointer(events);
end;
procedure TCustomWindowDelegate.OnGetPreferredSize(const view: ICefView; var aResult : TCefSize);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnGetPreferredSize(view, aResult);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnGetPreferredSize', e) then raise;
end;
end;
procedure TCustomWindowDelegate.OnGetMinimumSize(const view: ICefView; var aResult : TCefSize);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnGetMinimumSize(view, aResult);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnGetMinimumSize', e) then raise;
end;
end;
procedure TCustomWindowDelegate.OnGetMaximumSize(const view: ICefView; var aResult : TCefSize);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnGetMaximumSize(view, aResult);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnGetMaximumSize', e) then raise;
end;
end;
procedure TCustomWindowDelegate.OnGetHeightForWidth(const view: ICefView; width: Integer; var aResult: Integer);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnGetHeightForWidth(view, width, aResult);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnGetHeightForWidth', e) then raise;
end;
end;
procedure TCustomWindowDelegate.OnParentViewChanged(const view: ICefView; added: boolean; const parent: ICefView);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnParentViewChanged(view, added, parent);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnParentViewChanged', e) then raise;
end;
end;
procedure TCustomWindowDelegate.OnChildViewChanged(const view: ICefView; added: boolean; const child: ICefView);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnChildViewChanged(view, added, child);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnChildViewChanged', e) then raise;
end;
end;
procedure TCustomWindowDelegate.OnFocus(const view: ICefView);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnFocus(view);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnFocus', e) then raise;
end;
end;
procedure TCustomWindowDelegate.OnBlur(const view: ICefView);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnBlur(view);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnBlur', e) then raise;
end;
end;
procedure TCustomWindowDelegate.OnWindowCreated(const window: ICefWindow);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnWindowCreated(window);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnWindowCreated', e) then raise;
end;
end;
procedure TCustomWindowDelegate.OnWindowDestroyed(const window: ICefWindow);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnWindowDestroyed(window);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnWindowDestroyed', e) then raise;
end;
end;
procedure TCustomWindowDelegate.OnGetParentWindow(const window: ICefWindow; var is_menu, can_activate_menu: boolean; var aResult : ICefWindow);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnGetParentWindow(window, is_menu, can_activate_menu, aResult);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnGetParentWindow', e) then raise;
end;
end;
procedure TCustomWindowDelegate.OnGetInitialBounds(const window: ICefWindow; var aResult : TCefRect);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnGetInitialBounds(window, aResult);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnGetInitialBounds', e) then raise;
end;
end;
procedure TCustomWindowDelegate.OnIsFrameless(const window: ICefWindow; var aResult : boolean);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnIsFrameless(window, aResult);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnIsFrameless', e) then raise;
end;
end;
procedure TCustomWindowDelegate.OnCanResize(const window: ICefWindow; var aResult : boolean);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnCanResize(window, aResult);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnCanResize', e) then raise;
end;
end;
procedure TCustomWindowDelegate.OnCanMaximize(const window: ICefWindow; var aResult : boolean);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnCanMaximize(window, aResult);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnCanMaximize', e) then raise;
end;
end;
procedure TCustomWindowDelegate.OnCanMinimize(const window: ICefWindow; var aResult : boolean);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnCanMinimize(window, aResult);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnCanMinimize', e) then raise;
end;
end;
procedure TCustomWindowDelegate.OnCanClose(const window: ICefWindow; var aResult : boolean);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnCanClose(window, aResult);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnCanClose', e) then raise;
end;
end;
procedure TCustomWindowDelegate.OnAccelerator(const window: ICefWindow; command_id: Integer; var aResult : boolean);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnAccelerator(window, command_id, aResult);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnAccelerator', e) then raise;
end;
end;
procedure TCustomWindowDelegate.OnKeyEvent(const window: ICefWindow; const event: TCefKeyEvent; var aResult : boolean);
begin
try
if (FEvents <> nil) then
ICefWindowDelegateEvents(FEvents).doOnKeyEvent(window, event, aResult);
except
on e : exception do
if CustomExceptionHandler('TCustomWindowDelegate.OnKeyEvent', e) then raise;
end;
end;
end.