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mirror of https://github.com/salvadordf/CEF4Delphi.git synced 2024-11-24 08:02:15 +02:00
CEF4Delphi/source/uCEFClient.pas
salvadordf ca8bc9dff4 Added cef4delphi.chm help file
Added the PDS file to extract the HTML Help files using PasDoc
Added more XML documentation
Fixed some XML errors.
Removed the license copy from the pas units.
Updated the LICENSE.md file
2023-08-09 19:38:57 +02:00

969 lines
32 KiB
ObjectPascal

unit uCEFClient;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$I cef.inc}
{$IFNDEF TARGET_64BITS}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
interface
uses
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
type
TCefClientRef = class(TCefBaseRefCountedRef, ICefClient)
protected
procedure GetAudioHandler(var aHandler : ICefAudioHandler); virtual;
procedure GetCommandHandler(var aHandler : ICefCommandHandler); virtual;
procedure GetContextMenuHandler(var aHandler : ICefContextMenuHandler); virtual;
procedure GetDialogHandler(var aHandler : ICefDialogHandler); virtual;
procedure GetDisplayHandler(var aHandler : ICefDisplayHandler); virtual;
procedure GetDownloadHandler(var aHandler : ICefDownloadHandler); virtual;
procedure GetDragHandler(var aHandler : ICefDragHandler); virtual;
procedure GetFindHandler(var aHandler : ICefFindHandler); virtual;
procedure GetFocusHandler(var aHandler : ICefFocusHandler); virtual;
procedure GetFrameHandler(var aHandler : ICefFrameHandler); virtual;
procedure GetPermissionHandler(var aHandler: ICefPermissionHandler); virtual;
procedure GetJsdialogHandler(var aHandler : ICefJsdialogHandler); virtual;
procedure GetKeyboardHandler(var aHandler : ICefKeyboardHandler); virtual;
procedure GetLifeSpanHandler(var aHandler : ICefLifeSpanHandler); virtual;
procedure GetLoadHandler(var aHandler : ICefLoadHandler); virtual;
procedure GetPrintHandler(var aHandler : ICefPrintHandler); virtual;
procedure GetRenderHandler(var aHandler : ICefRenderHandler); virtual;
procedure GetRequestHandler(var aHandler : ICefRequestHandler); virtual;
function OnProcessMessageReceived(const browser: ICefBrowser; const frame: ICefFrame; sourceProcess: TCefProcessId; const message_ : ICefProcessMessage): Boolean; virtual;
procedure RemoveReferences; virtual;
public
class function UnWrap(data: Pointer): ICefClient;
end;
TCefClientOwn = class(TCefBaseRefCountedOwn, ICefClient)
protected
procedure GetAudioHandler(var aHandler : ICefAudioHandler); virtual;
procedure GetCommandHandler(var aHandler : ICefCommandHandler); virtual;
procedure GetContextMenuHandler(var aHandler : ICefContextMenuHandler); virtual;
procedure GetDialogHandler(var aHandler : ICefDialogHandler); virtual;
procedure GetDisplayHandler(var aHandler : ICefDisplayHandler); virtual;
procedure GetDownloadHandler(var aHandler : ICefDownloadHandler); virtual;
procedure GetDragHandler(var aHandler : ICefDragHandler); virtual;
procedure GetFindHandler(var aHandler : ICefFindHandler); virtual;
procedure GetFocusHandler(var aHandler : ICefFocusHandler); virtual;
procedure GetFrameHandler(var aHandler : ICefFrameHandler); virtual;
procedure GetPermissionHandler(var aHandler: ICefPermissionHandler); virtual;
procedure GetJsdialogHandler(var aHandler : ICefJsdialogHandler); virtual;
procedure GetKeyboardHandler(var aHandler : ICefKeyboardHandler); virtual;
procedure GetLifeSpanHandler(var aHandler : ICefLifeSpanHandler); virtual;
procedure GetLoadHandler(var aHandler : ICefLoadHandler); virtual;
procedure GetPrintHandler(var aHandler : ICefPrintHandler); virtual;
procedure GetRenderHandler(var aHandler : ICefRenderHandler); virtual;
procedure GetRequestHandler(var aHandler : ICefRequestHandler); virtual;
function OnProcessMessageReceived(const browser: ICefBrowser; const frame: ICefFrame; sourceProcess: TCefProcessId; const message_ : ICefProcessMessage): Boolean; virtual;
procedure RemoveReferences; virtual;
public
constructor Create; virtual;
end;
TCustomClientHandler = class(TCefClientOwn)
protected
FEvents : Pointer;
FAudioHandler : ICefAudioHandler;
FCommandHandler : ICefCommandHandler;
FLoadHandler : ICefLoadHandler;
FFocusHandler : ICefFocusHandler;
FContextMenuHandler : ICefContextMenuHandler;
FDialogHandler : ICefDialogHandler;
FKeyboardHandler : ICefKeyboardHandler;
FDisplayHandler : ICefDisplayHandler;
FDownloadHandler : ICefDownloadHandler;
FJsDialogHandler : ICefJsDialogHandler;
FLifeSpanHandler : ICefLifeSpanHandler;
FRenderHandler : ICefRenderHandler;
FRequestHandler : ICefRequestHandler;
FDragHandler : ICefDragHandler;
FFindHandler : ICefFindHandler;
FPrintHandler : ICefPrintHandler;
FFrameHandler : ICefFrameHandler;
FPermissionHandler : ICefPermissionHandler;
procedure GetAudioHandler(var aHandler : ICefAudioHandler); override;
procedure GetCommandHandler(var aHandler : ICefCommandHandler); override;
procedure GetContextMenuHandler(var aHandler : ICefContextMenuHandler); override;
procedure GetDialogHandler(var aHandler : ICefDialogHandler); override;
procedure GetDisplayHandler(var aHandler : ICefDisplayHandler); override;
procedure GetDownloadHandler(var aHandler : ICefDownloadHandler); override;
procedure GetDragHandler(var aHandler : ICefDragHandler); override;
procedure GetFindHandler(var aHandler : ICefFindHandler); override;
procedure GetFocusHandler(var aHandler : ICefFocusHandler); override;
procedure GetFrameHandler(var aHandler : ICefFrameHandler); override;
procedure GetPermissionHandler(var aHandler: ICefPermissionHandler); override;
procedure GetJsdialogHandler(var aHandler : ICefJsdialogHandler); override;
procedure GetKeyboardHandler(var aHandler : ICefKeyboardHandler); override;
procedure GetLifeSpanHandler(var aHandler : ICefLifeSpanHandler); override;
procedure GetLoadHandler(var aHandler : ICefLoadHandler); override;
procedure GetPrintHandler(var aHandler : ICefPrintHandler); override;
procedure GetRenderHandler(var aHandler : ICefRenderHandler); override;
procedure GetRequestHandler(var aHandler : ICefRequestHandler); override;
function OnProcessMessageReceived(const browser: ICefBrowser; const frame: ICefFrame; sourceProcess: TCefProcessId; const message_ : ICefProcessMessage): Boolean; override;
procedure InitializeVars;
public
constructor Create(const events: IChromiumEvents; aDevToolsClient : boolean = False); reintroduce; virtual;
procedure BeforeDestruction; override;
procedure RemoveReferences; override;
end;
implementation
uses
{$IFDEF DELPHI16_UP}
System.SysUtils,
{$ELSE}
SysUtils,
{$ENDIF}
uCEFMiscFunctions, uCEFLibFunctions, uCEFProcessMessage, uCEFBrowser, uCEFLoadHandler,
uCEFFocusHandler, uCEFContextMenuHandler, uCEFDialogHandler, uCEFKeyboardHandler,
uCEFDisplayHandler, uCEFDownloadHandler, uCEFJsDialogHandler,
uCEFLifeSpanHandler, uCEFRequestHandler, uCEFRenderHandler, uCEFDragHandler,
uCEFFindHandler, uCEFConstants, uCEFApplicationCore, uCEFFrame, uCEFAudioHandler,
uCEFPrintHandler, uCEFFrameHandler, uCEFCommandHandler, uCEFPermissionHandler;
// ******************************************************
// ****************** TCefClientRef *********************
// ******************************************************
class function TCefClientRef.UnWrap(data: Pointer): ICefClient;
begin
if (data <> nil) then
Result := Create(data) as ICefClient
else
Result := nil;
end;
procedure TCefClientRef.GetAudioHandler(var aHandler : ICefAudioHandler);
begin
aHandler := nil;
end;
procedure TCefClientRef.GetCommandHandler(var aHandler : ICefCommandHandler);
begin
aHandler := nil;
end;
procedure TCefClientRef.GetContextMenuHandler(var aHandler : ICefContextMenuHandler);
begin
aHandler := nil;
end;
procedure TCefClientRef.GetDialogHandler(var aHandler : ICefDialogHandler);
begin
aHandler := nil;
end;
procedure TCefClientRef.GetDisplayHandler(var aHandler : ICefDisplayHandler);
begin
aHandler := nil;
end;
procedure TCefClientRef.GetDownloadHandler(var aHandler : ICefDownloadHandler);
begin
aHandler := nil;
end;
procedure TCefClientRef.GetDragHandler(var aHandler : ICefDragHandler);
begin
aHandler := nil;
end;
procedure TCefClientRef.GetFindHandler(var aHandler : ICefFindHandler);
begin
aHandler := nil;
end;
procedure TCefClientRef.GetFocusHandler(var aHandler : ICefFocusHandler);
begin
aHandler := nil;
end;
procedure TCefClientRef.GetFrameHandler(var aHandler : ICefFrameHandler);
begin
aHandler := nil;
end;
procedure TCefClientRef.GetPermissionHandler(var aHandler: ICefPermissionHandler);
begin
aHandler := nil;
end;
procedure TCefClientRef.GetJsdialogHandler(var aHandler : ICefJsDialogHandler);
begin
aHandler := nil;
end;
procedure TCefClientRef.GetKeyboardHandler(var aHandler : ICefKeyboardHandler);
begin
aHandler := nil;
end;
procedure TCefClientRef.GetLifeSpanHandler(var aHandler : ICefLifeSpanHandler);
begin
aHandler := nil;
end;
procedure TCefClientRef.GetLoadHandler(var aHandler : ICefLoadHandler);
begin
aHandler := nil;
end;
procedure TCefClientRef.GetPrintHandler(var aHandler : ICefPrintHandler);
begin
aHandler := nil;
end;
procedure TCefClientRef.GetRenderHandler(var aHandler : ICefRenderHandler);
begin
aHandler := nil;
end;
procedure TCefClientRef.GetRequestHandler(var aHandler : ICefRequestHandler);
begin
aHandler := nil;
end;
function TCefClientRef.OnProcessMessageReceived(const browser: ICefBrowser; const frame: ICefFrame; sourceProcess: TCefProcessId; const message_ : ICefProcessMessage): Boolean;
begin
Result := False;
end;
procedure TCefClientRef.RemoveReferences;
begin
//
end;
// ******************************************************
// ****************** TCefClientOwn *********************
// ******************************************************
function cef_client_own_get_audio_handler(self: PCefClient): PCefAudioHandler; stdcall;
var
TempObject : TObject;
TempHandler : ICefAudioHandler;
begin
Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
try
TCefClientOwn(TempObject).GetAudioHandler(TempHandler);
if (TempHandler <> nil) then Result := TempHandler.Wrap;
finally
TempHandler := nil;
end;
end;
function cef_client_own_get_command_handler(self: PCefClient): PCefCommandHandler; stdcall;
var
TempObject : TObject;
TempHandler : ICefCommandHandler;
begin
Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
try
TCefClientOwn(TempObject).GetCommandHandler(TempHandler);
if (TempHandler <> nil) then Result := TempHandler.Wrap;
finally
TempHandler := nil;
end;
end;
function cef_client_own_get_context_menu_handler(self: PCefClient): PCefContextMenuHandler; stdcall;
var
TempObject : TObject;
TempHandler : ICefContextMenuHandler;
begin
Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
try
TCefClientOwn(TempObject).GetContextMenuHandler(TempHandler);
if (TempHandler <> nil) then Result := TempHandler.Wrap;
finally
TempHandler := nil;
end;
end;
function cef_client_own_get_dialog_handler(self: PCefClient): PCefDialogHandler; stdcall;
var
TempObject : TObject;
TempHandler : ICefDialogHandler;
begin
Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
try
TCefClientOwn(TempObject).GetDialogHandler(TempHandler);
if (TempHandler <> nil) then Result := TempHandler.Wrap;
finally
TempHandler := nil;
end;
end;
function cef_client_own_get_display_handler(self: PCefClient): PCefDisplayHandler; stdcall;
var
TempObject : TObject;
TempHandler : ICefDisplayHandler;
begin
Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
try
TCefClientOwn(TempObject).GetDisplayHandler(TempHandler);
if (TempHandler <> nil) then Result := TempHandler.Wrap;
finally
TempHandler := nil;
end;
end;
function cef_client_own_get_download_handler(self: PCefClient): PCefDownloadHandler; stdcall;
var
TempObject : TObject;
TempHandler : ICefDownloadHandler;
begin
Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
try
TCefClientOwn(TempObject).GetDownloadHandler(TempHandler);
if (TempHandler <> nil) then Result := TempHandler.Wrap;
finally
TempHandler := nil;
end;
end;
function cef_client_own_get_drag_handler(self: PCefClient): PCefDragHandler; stdcall;
var
TempObject : TObject;
TempHandler : ICefDragHandler;
begin
Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
try
TCefClientOwn(TempObject).GetDragHandler(TempHandler);
if (TempHandler <> nil) then Result := TempHandler.Wrap;
finally
TempHandler := nil;
end;
end;
function cef_client_own_get_find_handler(self: PCefClient): PCefFindHandler; stdcall;
var
TempObject : TObject;
TempHandler : ICefFindHandler;
begin
Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
try
TCefClientOwn(TempObject).GetFindHandler(TempHandler);
if (TempHandler <> nil) then Result := TempHandler.Wrap;
finally
TempHandler := nil;
end;
end;
function cef_client_own_get_focus_handler(self: PCefClient): PCefFocusHandler; stdcall;
var
TempObject : TObject;
TempHandler : ICefFocusHandler;
begin
Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
try
TCefClientOwn(TempObject).GetFocusHandler(TempHandler);
if (TempHandler <> nil) then Result := TempHandler.Wrap;
finally
TempHandler := nil;
end;
end;
function cef_client_own_get_frame_handler(self: PCefClient): PCefFrameHandler; stdcall;
var
TempObject : TObject;
TempHandler : ICefFrameHandler;
begin
Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
try
TCefClientOwn(TempObject).GetFrameHandler(TempHandler);
if (TempHandler <> nil) then Result := TempHandler.Wrap;
finally
TempHandler := nil;
end;
end;
function cef_client_own_get_jsdialog_handler(self: PCefClient): PCefJsDialogHandler; stdcall;
var
TempObject : TObject;
TempHandler : ICefJsDialogHandler;
begin
Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
try
TCefClientOwn(TempObject).GetJsdialogHandler(TempHandler);
if (TempHandler <> nil) then Result := TempHandler.Wrap;
finally
TempHandler := nil;
end;
end;
function cef_client_own_get_keyboard_handler(self: PCefClient): PCefKeyboardHandler; stdcall;
var
TempObject : TObject;
TempHandler : ICefKeyboardHandler;
begin
Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
try
TCefClientOwn(TempObject).GetKeyboardHandler(TempHandler);
if (TempHandler <> nil) then Result := TempHandler.Wrap;
finally
TempHandler := nil;
end;
end;
function cef_client_own_get_life_span_handler(self: PCefClient): PCefLifeSpanHandler; stdcall;
var
TempObject : TObject;
TempHandler : ICefLifeSpanHandler;
begin
Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
try
TCefClientOwn(TempObject).GetLifeSpanHandler(TempHandler);
if (TempHandler <> nil) then Result := TempHandler.Wrap;
finally
TempHandler := nil;
end;
end;
function cef_client_own_get_load_handler(self: PCefClient): PCefLoadHandler; stdcall;
var
TempObject : TObject;
TempHandler : ICefLoadHandler;
begin
Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
try
TCefClientOwn(TempObject).GetLoadHandler(TempHandler);
if (TempHandler <> nil) then Result := TempHandler.Wrap;
finally
TempHandler := nil;
end;
end;
function cef_client_own_get_render_handler(self: PCefClient): PCefRenderHandler; stdcall;
var
TempObject : TObject;
TempHandler : ICefRenderHandler;
begin
Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
try
TCefClientOwn(TempObject).GetRenderHandler(TempHandler);
if (TempHandler <> nil) then Result := TempHandler.Wrap;
finally
TempHandler := nil;
end;
end;
function cef_client_own_get_request_handler(self: PCefClient): PCefRequestHandler; stdcall;
var
TempObject : TObject;
TempHandler : ICefRequestHandler;
begin
Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
try
TCefClientOwn(TempObject).GetRequestHandler(TempHandler);
if (TempHandler <> nil) then Result := TempHandler.Wrap;
finally
TempHandler := nil;
end;
end;
function cef_client_own_get_print_handler(self: PCefClient): PCefPrintHandler; stdcall;
var
TempObject : TObject;
TempHandler : ICefPrintHandler;
begin
Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
try
TempHandler := nil;
TCefClientOwn(TempObject).GetPrintHandler(TempHandler);
if (TempHandler <> nil) then Result := TempHandler.Wrap;
finally
TempHandler := nil;
end;
end;
function cef_client_own_get_permission_handler(self: PCefClient): PCefPermissionHandler; stdcall;
var
TempObject : TObject;
TempHandler : ICefPermissionHandler;
begin
Result := nil;
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
try
TempHandler := nil;
TCefClientOwn(TempObject).GetPermissionHandler(TempHandler);
if (TempHandler <> nil) then Result := TempHandler.Wrap;
finally
TempHandler := nil;
end;
end;
function cef_client_own_on_process_message_received(self : PCefClient;
browser : PCefBrowser;
frame : PCefFrame;
source_process : TCefProcessId;
message_ : PCefProcessMessage): Integer; stdcall;
var
TempObject : TObject;
begin
Result := Ord(False);
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefClientOwn) then
Result := Ord(TCefClientOwn(TempObject).OnProcessMessageReceived(TCefBrowserRef.UnWrap(browser),
TCefFrameRef.UnWrap(frame),
source_process,
TCefProcessMessageRef.UnWrap(message_)));
end;
constructor TCefClientOwn.Create;
begin
inherited CreateData(SizeOf(TCefClient));
with PCefClient(FData)^ do
begin
get_audio_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_audio_handler;
get_command_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_command_handler;
get_context_menu_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_context_menu_handler;
get_dialog_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_dialog_handler;
get_display_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_display_handler;
get_download_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_download_handler;
get_drag_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_drag_handler;
get_find_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_find_handler;
get_focus_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_focus_handler;
get_frame_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_frame_handler;
get_permission_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_permission_handler;
get_jsdialog_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_jsdialog_handler;
get_keyboard_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_keyboard_handler;
get_life_span_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_life_span_handler;
get_load_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_load_handler;
get_print_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_print_handler;
get_render_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_render_handler;
get_request_handler := {$IFDEF FPC}@{$ENDIF}cef_client_own_get_request_handler;
on_process_message_received := {$IFDEF FPC}@{$ENDIF}cef_client_own_on_process_message_received;
end;
end;
procedure TCefClientOwn.GetAudioHandler(var aHandler : ICefAudioHandler);
begin
aHandler := nil;
end;
procedure TCefClientOwn.GetCommandHandler(var aHandler : ICefCommandHandler);
begin
aHandler := nil;
end;
procedure TCefClientOwn.GetContextMenuHandler(var aHandler : ICefContextMenuHandler);
begin
aHandler := nil;
end;
procedure TCefClientOwn.GetDialogHandler(var aHandler : ICefDialogHandler);
begin
aHandler := nil;
end;
procedure TCefClientOwn.GetDisplayHandler(var aHandler : ICefDisplayHandler);
begin
aHandler := nil;
end;
procedure TCefClientOwn.GetDownloadHandler(var aHandler : ICefDownloadHandler);
begin
aHandler := nil;
end;
procedure TCefClientOwn.GetDragHandler(var aHandler : ICefDragHandler);
begin
aHandler := nil;
end;
procedure TCefClientOwn.GetFindHandler(var aHandler : ICefFindHandler);
begin
aHandler := nil;
end;
procedure TCefClientOwn.GetFocusHandler(var aHandler : ICefFocusHandler);
begin
aHandler := nil;
end;
procedure TCefClientOwn.GetFrameHandler(var aHandler : ICefFrameHandler);
begin
aHandler := nil;
end;
procedure TCefClientOwn.GetPermissionHandler(var aHandler: ICefPermissionHandler);
begin
aHandler := nil;
end;
procedure TCefClientOwn.GetJsdialogHandler(var aHandler : ICefJsDialogHandler);
begin
aHandler := nil;
end;
procedure TCefClientOwn.GetKeyboardHandler(var aHandler : ICefKeyboardHandler);
begin
aHandler := nil;
end;
procedure TCefClientOwn.GetLifeSpanHandler(var aHandler : ICefLifeSpanHandler);
begin
aHandler := nil;
end;
procedure TCefClientOwn.GetLoadHandler(var aHandler : ICefLoadHandler);
begin
aHandler := nil;
end;
procedure TCefClientOwn.GetPrintHandler(var aHandler : ICefPrintHandler);
begin
aHandler := nil;
end;
procedure TCefClientOwn.GetRenderHandler(var aHandler : ICefRenderHandler);
begin
aHandler := nil;
end;
procedure TCefClientOwn.GetRequestHandler(var aHandler : ICefRequestHandler);
begin
aHandler := nil;
end;
function TCefClientOwn.OnProcessMessageReceived(const browser : ICefBrowser;
const frame : ICefFrame;
sourceProcess : TCefProcessId;
const message_ : ICefProcessMessage): Boolean;
begin
Result := False;
end;
procedure TCefClientOwn.RemoveReferences;
begin
//
end;
// ******************************************************
// *************** TCustomClientHandler *****************
// ******************************************************
constructor TCustomClientHandler.Create(const events : IChromiumEvents; aDevToolsClient : boolean);
begin
inherited Create;
InitializeVars;
FEvents := Pointer(events);
if (events <> nil) then
begin
if aDevToolsClient then
begin
if events.MustCreateKeyboardHandler then FKeyboardHandler := TCustomKeyboardHandler.Create(events);
end
else
begin
if events.MustCreateAudioHandler then FAudioHandler := TCustomAudioHandler.Create(events);
if events.MustCreateCommandHandler then FCommandHandler := TCustomCommandHandler.Create(events);
if events.MustCreateLoadHandler then FLoadHandler := TCustomLoadHandler.Create(events);
if events.MustCreateFocusHandler then FFocusHandler := TCustomFocusHandler.Create(events);
if events.MustCreateContextMenuHandler then FContextMenuHandler := TCustomContextMenuHandler.Create(events);
if events.MustCreateDialogHandler then FDialogHandler := TCustomDialogHandler.Create(events);
if events.MustCreateKeyboardHandler then FKeyboardHandler := TCustomKeyboardHandler.Create(events);
if events.MustCreateDisplayHandler then FDisplayHandler := TCustomDisplayHandler.Create(events);
if events.MustCreateDownloadHandler then FDownloadHandler := TCustomDownloadHandler.Create(events);
if events.MustCreateJsDialogHandler then FJsDialogHandler := TCustomJsDialogHandler.Create(events);
if events.MustCreateLifeSpanHandler then FLifeSpanHandler := TCustomLifeSpanHandler.Create(events);
if events.MustCreateRenderHandler then FRenderHandler := TCustomRenderHandler.Create(events);
if events.MustCreateRequestHandler then FRequestHandler := TCustomRequestHandler.Create(events);
if events.MustCreateDragHandler then FDragHandler := TCustomDragHandler.Create(events);
if events.MustCreateFindHandler then FFindHandler := TCustomFindHandler.Create(events);
if events.MustCreatePrintHandler then FPrintHandler := TCustomPrintHandler.Create(events);
if events.MustCreateFrameHandler then FFrameHandler := TCustomFrameHandler.Create(events);
if events.MustCreatePermissionHandler then FPermissionHandler := TCustomPermissionHandler.Create(events);
end;
end;
end;
procedure TCustomClientHandler.BeforeDestruction;
begin
InitializeVars;
inherited BeforeDestruction;
end;
procedure TCustomClientHandler.RemoveReferences;
begin
FEvents := nil;
if (FAudioHandler <> nil) then FAudioHandler.RemoveReferences;
if (FCommandHandler <> nil) then FCommandHandler.RemoveReferences;
if (FLoadHandler <> nil) then FLoadHandler.RemoveReferences;
if (FFocusHandler <> nil) then FFocusHandler.RemoveReferences;
if (FContextMenuHandler <> nil) then FContextMenuHandler.RemoveReferences;
if (FDialogHandler <> nil) then FDialogHandler.RemoveReferences;
if (FKeyboardHandler <> nil) then FKeyboardHandler.RemoveReferences;
if (FDisplayHandler <> nil) then FDisplayHandler.RemoveReferences;
if (FDownloadHandler <> nil) then FDownloadHandler.RemoveReferences;
if (FJsDialogHandler <> nil) then FJsDialogHandler.RemoveReferences;
if (FLifeSpanHandler <> nil) then FLifeSpanHandler.RemoveReferences;
if (FRequestHandler <> nil) then FRequestHandler.RemoveReferences;
if (FRenderHandler <> nil) then FRenderHandler.RemoveReferences;
if (FDragHandler <> nil) then FDragHandler.RemoveReferences;
if (FFindHandler <> nil) then FFindHandler.RemoveReferences;
if (FPrintHandler <> nil) then FPrintHandler.RemoveReferences;
if (FFrameHandler <> nil) then FFrameHandler.RemoveReferences;
if (FPermissionHandler <> nil) then FPermissionHandler.RemoveReferences;
end;
procedure TCustomClientHandler.InitializeVars;
begin
FAudioHandler := nil;
FCommandHandler := nil;
FLoadHandler := nil;
FFocusHandler := nil;
FContextMenuHandler := nil;
FDialogHandler := nil;
FKeyboardHandler := nil;
FDisplayHandler := nil;
FDownloadHandler := nil;
FJsDialogHandler := nil;
FLifeSpanHandler := nil;
FRequestHandler := nil;
FRenderHandler := nil;
FDragHandler := nil;
FFindHandler := nil;
FPrintHandler := nil;
FFrameHandler := nil;
FPermissionHandler := nil;
FEvents := nil;
end;
procedure TCustomClientHandler.GetAudioHandler(var aHandler : ICefAudioHandler);
begin
if (FAudioHandler <> nil) then
aHandler := FAudioHandler
else
aHandler := nil;
end;
procedure TCustomClientHandler.GetCommandHandler(var aHandler : ICefCommandHandler);
begin
if (FCommandHandler <> nil) then
aHandler := FCommandHandler
else
aHandler := nil;
end;
procedure TCustomClientHandler.GetContextMenuHandler(var aHandler : ICefContextMenuHandler);
begin
if (FContextMenuHandler <> nil) then
aHandler := FContextMenuHandler
else
aHandler := nil;
end;
procedure TCustomClientHandler.GetDialogHandler(var aHandler : ICefDialogHandler);
begin
if (FDialogHandler <> nil) then
aHandler := FDialogHandler
else
aHandler := nil;
end;
procedure TCustomClientHandler.GetDisplayHandler(var aHandler : ICefDisplayHandler);
begin
if (FDisplayHandler <> nil) then
aHandler := FDisplayHandler
else
aHandler := nil;
end;
procedure TCustomClientHandler.GetDownloadHandler(var aHandler : ICefDownloadHandler);
begin
if (FDownloadHandler <> nil) then
aHandler := FDownloadHandler
else
aHandler := nil;
end;
procedure TCustomClientHandler.GetDragHandler(var aHandler : ICefDragHandler);
begin
if (FDragHandler <> nil) then
aHandler := FDragHandler
else
aHandler := nil;
end;
procedure TCustomClientHandler.GetFindHandler(var aHandler : ICefFindHandler);
begin
if (FFindHandler <> nil) then
aHandler := FFindHandler
else
aHandler := nil;
end;
procedure TCustomClientHandler.GetFocusHandler(var aHandler : ICefFocusHandler);
begin
if (FFocusHandler <> nil) then
aHandler := FFocusHandler
else
aHandler := nil;
end;
procedure TCustomClientHandler.GetFrameHandler(var aHandler : ICefFrameHandler);
begin
if (FFrameHandler <> nil) then
aHandler := FFrameHandler
else
aHandler := nil;
end;
procedure TCustomClientHandler.GetPermissionHandler(var aHandler: ICefPermissionHandler);
begin
if (FPermissionHandler <> nil) then
aHandler := FPermissionHandler
else
aHandler := nil;
end;
procedure TCustomClientHandler.GetJsdialogHandler(var aHandler : ICefJsDialogHandler);
begin
if (FJsDialogHandler <> nil) then
aHandler := FJsDialogHandler
else
aHandler := nil;
end;
procedure TCustomClientHandler.GetKeyboardHandler(var aHandler : ICefKeyboardHandler);
begin
if (FKeyboardHandler <> nil) then
aHandler := FKeyboardHandler
else
aHandler := nil;
end;
procedure TCustomClientHandler.GetLifeSpanHandler(var aHandler : ICefLifeSpanHandler);
begin
if (FLifeSpanHandler <> nil) then
aHandler := FLifeSpanHandler
else
aHandler := nil;
end;
procedure TCustomClientHandler.GetLoadHandler(var aHandler : ICefLoadHandler);
begin
if (FLoadHandler <> nil) then
aHandler := FLoadHandler
else
aHandler := nil;
end;
procedure TCustomClientHandler.GetPrintHandler(var aHandler : ICefPrintHandler);
begin
if (FPrintHandler <> nil) then
aHandler := FPrintHandler
else
aHandler := nil;
end;
procedure TCustomClientHandler.GetRenderHandler(var aHandler : ICefRenderHandler);
begin
if (FRenderHandler <> nil) then
aHandler := FRenderHandler
else
aHandler := nil;
end;
procedure TCustomClientHandler.GetRequestHandler(var aHandler : ICefRequestHandler);
begin
if (FRequestHandler <> nil) then
aHandler := FRequestHandler
else
aHandler := nil;
end;
function TCustomClientHandler.OnProcessMessageReceived(const browser : ICefBrowser;
const frame : ICefFrame;
sourceProcess : TCefProcessId;
const message_ : ICefProcessMessage): Boolean;
begin
if (FEvents <> nil) then
Result := IChromiumEvents(FEvents).doOnProcessMessageReceived(browser, frame, sourceProcess, message_)
else
Result := inherited OnProcessMessageReceived(browser, frame, sourceProcess, message_);
end;
end.