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CEF4Delphi/source/uCEFContextMenuHandler.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

354 lines
18 KiB
ObjectPascal

unit uCEFContextMenuHandler;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$I cef.inc}
{$IFNDEF TARGET_64BITS}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
interface
uses
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
type
TCefContextMenuHandlerOwn = class(TCefBaseRefCountedOwn, ICefContextMenuHandler)
protected
procedure OnBeforeContextMenu(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel); virtual;
function RunContextMenu(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel; const callback: ICefRunContextMenuCallback): Boolean; virtual;
function OnContextMenuCommand(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; commandId: Integer; eventFlags: TCefEventFlags): Boolean; virtual;
procedure OnContextMenuDismissed(const browser: ICefBrowser; const frame: ICefFrame); virtual;
function RunQuickMenu(const browser: ICefBrowser; const frame: ICefFrame; location: PCefPoint; size: PCefSize; edit_state_flags: TCefQuickMenuEditStateFlags; const callback: ICefRunQuickMenuCallback): boolean; virtual;
function OnQuickMenuCommand(const browser: ICefBrowser; const frame: ICefFrame; command_id: integer; event_flags: TCefEventFlags): boolean; virtual;
procedure OnQuickMenuDismissed(const browser: ICefBrowser; const frame: ICefFrame); virtual;
procedure RemoveReferences; virtual;
public
constructor Create; virtual;
end;
TCustomContextMenuHandler = class(TCefContextMenuHandlerOwn)
protected
FEvents : Pointer;
procedure OnBeforeContextMenu(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel); override;
function RunContextMenu(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel; const callback: ICefRunContextMenuCallback): Boolean; override;
function OnContextMenuCommand(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; commandId: Integer; eventFlags: TCefEventFlags): Boolean; override;
procedure OnContextMenuDismissed(const browser: ICefBrowser; const frame: ICefFrame); override;
function RunQuickMenu(const browser: ICefBrowser; const frame: ICefFrame; location: PCefPoint; size: PCefSize; edit_state_flags: TCefQuickMenuEditStateFlags; const callback: ICefRunQuickMenuCallback): boolean; override;
function OnQuickMenuCommand(const browser: ICefBrowser; const frame: ICefFrame; command_id: integer; event_flags: TCefEventFlags): boolean; override;
procedure OnQuickMenuDismissed(const browser: ICefBrowser; const frame: ICefFrame); override;
procedure RemoveReferences; override;
public
constructor Create(const events : IChromiumEvents); reintroduce; virtual;
destructor Destroy; override;
end;
implementation
uses
{$IFDEF DELPHI16_UP}
System.SysUtils,
{$ELSE}
SysUtils,
{$ENDIF}
uCEFMiscFunctions, uCEFLibFunctions, uCEFBrowser, uCEFFrame, uCEFContextMenuParams,
uCEFMenuModel, uCEFRunContextMenuCallback, uCEFRunQuickMenuCallback;
procedure cef_context_menu_handler_on_before_context_menu(self : PCefContextMenuHandler;
browser : PCefBrowser;
frame : PCefFrame;
params : PCefContextMenuParams;
model : PCefMenuModel); stdcall;
var
TempObject : TObject;
begin
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefContextMenuHandlerOwn) then
TCefContextMenuHandlerOwn(TempObject).OnBeforeContextMenu(TCefBrowserRef.UnWrap(browser),
TCefFrameRef.UnWrap(frame),
TCefContextMenuParamsRef.UnWrap(params),
TCefMenuModelRef.UnWrap(model));
end;
function cef_context_menu_handler_run_context_menu(self : PCefContextMenuHandler;
browser : PCefBrowser;
frame : PCefFrame;
params : PCefContextMenuParams;
model : PCefMenuModel;
callback : PCefRunContextMenuCallback): Integer; stdcall;
var
TempObject : TObject;
begin
Result := Ord(False);
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefContextMenuHandlerOwn) then
Result := Ord(TCefContextMenuHandlerOwn(TempObject).RunContextMenu(TCefBrowserRef.UnWrap(browser),
TCefFrameRef.UnWrap(frame),
TCefContextMenuParamsRef.UnWrap(params),
TCefMenuModelRef.UnWrap(model),
TCefRunContextMenuCallbackRef.UnWrap(callback)));
end;
function cef_context_menu_handler_on_context_menu_command(self : PCefContextMenuHandler;
browser : PCefBrowser;
frame : PCefFrame;
params : PCefContextMenuParams;
command_id : Integer;
event_flags : TCefEventFlags): Integer; stdcall;
var
TempObject : TObject;
begin
Result := Ord(False);
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefContextMenuHandlerOwn) then
Result := Ord(TCefContextMenuHandlerOwn(TempObject).OnContextMenuCommand(TCefBrowserRef.UnWrap(browser),
TCefFrameRef.UnWrap(frame),
TCefContextMenuParamsRef.UnWrap(params),
command_id,
event_flags));
end;
procedure cef_context_menu_handler_on_context_menu_dismissed(self : PCefContextMenuHandler;
browser : PCefBrowser;
frame : PCefFrame); stdcall;
var
TempObject : TObject;
begin
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefContextMenuHandlerOwn) then
TCefContextMenuHandlerOwn(TempObject).OnContextMenuDismissed(TCefBrowserRef.UnWrap(browser),
TCefFrameRef.UnWrap(frame));
end;
function cef_context_menu_handler_run_quick_menu(self : PCefContextMenuHandler;
browser : PCefBrowser;
frame : PCefFrame;
location : PCefPoint;
size : PCefSize;
edit_state_flags : TCefQuickMenuEditStateFlags;
callback : PCefRunQuickMenuCallback): Integer; stdcall;
var
TempObject : TObject;
begin
Result := Ord(False);
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefContextMenuHandlerOwn) then
Result := Ord(TCefContextMenuHandlerOwn(TempObject).RunQuickMenu(TCefBrowserRef.UnWrap(browser),
TCefFrameRef.UnWrap(frame),
location,
size,
edit_state_flags,
TCefRunQuickMenuCallbackRef.UnWrap(callback)));
end;
function cef_context_menu_handler_on_quick_menu_command(self : PCefContextMenuHandler;
browser : PCefBrowser;
frame : PCefFrame;
command_id : Integer;
event_flags : TCefEventFlags): Integer; stdcall;
var
TempObject : TObject;
begin
Result := Ord(False);
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefContextMenuHandlerOwn) then
Result := Ord(TCefContextMenuHandlerOwn(TempObject).OnQuickMenuCommand(TCefBrowserRef.UnWrap(browser),
TCefFrameRef.UnWrap(frame),
command_id,
event_flags));
end;
procedure cef_context_menu_handler_on_quick_menu_dismissed(self : PCefContextMenuHandler;
browser : PCefBrowser;
frame : PCefFrame); stdcall;
var
TempObject : TObject;
begin
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefContextMenuHandlerOwn) then
TCefContextMenuHandlerOwn(TempObject).OnQuickMenuDismissed(TCefBrowserRef.UnWrap(browser),
TCefFrameRef.UnWrap(frame));
end;
constructor TCefContextMenuHandlerOwn.Create;
begin
inherited CreateData(SizeOf(TCefContextMenuHandler));
with PCefContextMenuHandler(FData)^ do
begin
on_before_context_menu := {$IFDEF FPC}@{$ENDIF}cef_context_menu_handler_on_before_context_menu;
run_context_menu := {$IFDEF FPC}@{$ENDIF}cef_context_menu_handler_run_context_menu;
on_context_menu_command := {$IFDEF FPC}@{$ENDIF}cef_context_menu_handler_on_context_menu_command;
on_context_menu_dismissed := {$IFDEF FPC}@{$ENDIF}cef_context_menu_handler_on_context_menu_dismissed;
run_quick_menu := {$IFDEF FPC}@{$ENDIF}cef_context_menu_handler_run_quick_menu;
on_quick_menu_command := {$IFDEF FPC}@{$ENDIF}cef_context_menu_handler_on_quick_menu_command;
on_quick_menu_dismissed := {$IFDEF FPC}@{$ENDIF}cef_context_menu_handler_on_quick_menu_dismissed;
end;
end;
procedure TCefContextMenuHandlerOwn.OnBeforeContextMenu(const browser : ICefBrowser;
const frame : ICefFrame;
const params : ICefContextMenuParams;
const model : ICefMenuModel);
begin
//
end;
function TCefContextMenuHandlerOwn.OnContextMenuCommand(const browser : ICefBrowser;
const frame : ICefFrame;
const params : ICefContextMenuParams;
commandId : Integer;
eventFlags : TCefEventFlags): Boolean;
begin
Result := False;
end;
procedure TCefContextMenuHandlerOwn.OnContextMenuDismissed(const browser : ICefBrowser;
const frame : ICefFrame);
begin
//
end;
function TCefContextMenuHandlerOwn.RunQuickMenu(const browser : ICefBrowser;
const frame : ICefFrame;
location : PCefPoint;
size : PCefSize;
edit_state_flags : TCefQuickMenuEditStateFlags;
const callback : ICefRunQuickMenuCallback): boolean;
begin
Result := False;
end;
function TCefContextMenuHandlerOwn.OnQuickMenuCommand(const browser : ICefBrowser;
const frame : ICefFrame;
command_id : integer;
event_flags : TCefEventFlags): boolean;
begin
Result := False;
end;
procedure TCefContextMenuHandlerOwn.OnQuickMenuDismissed(const browser : ICefBrowser;
const frame : ICefFrame);
begin
//
end;
function TCefContextMenuHandlerOwn.RunContextMenu(const browser : ICefBrowser;
const frame : ICefFrame;
const params : ICefContextMenuParams;
const model : ICefMenuModel;
const callback : ICefRunContextMenuCallback): Boolean;
begin
Result := False;
end;
procedure TCefContextMenuHandlerOwn.RemoveReferences;
begin
//
end;
// TCustomContextMenuHandler
constructor TCustomContextMenuHandler.Create(const events : IChromiumEvents);
begin
inherited Create;
FEvents := Pointer(events);
end;
destructor TCustomContextMenuHandler.Destroy;
begin
RemoveReferences;
inherited Destroy;
end;
procedure TCustomContextMenuHandler.RemoveReferences;
begin
FEvents := nil;
end;
procedure TCustomContextMenuHandler.OnBeforeContextMenu(const browser : ICefBrowser;
const frame : ICefFrame;
const params : ICefContextMenuParams;
const model : ICefMenuModel);
begin
if (FEvents <> nil) then IChromiumEvents(FEvents).doOnBeforeContextMenu(browser, frame, params, model);
end;
function TCustomContextMenuHandler.RunContextMenu(const browser : ICefBrowser;
const frame : ICefFrame;
const params : ICefContextMenuParams;
const model : ICefMenuModel;
const callback : ICefRunContextMenuCallback): Boolean;
begin
if (FEvents <> nil) then
Result := IChromiumEvents(FEvents).doRunContextMenu(browser, frame, params, model, callback)
else
Result := inherited RunContextMenu(browser, frame, params, model, callback);
end;
function TCustomContextMenuHandler.OnContextMenuCommand(const browser : ICefBrowser;
const frame : ICefFrame;
const params : ICefContextMenuParams;
commandId : Integer;
eventFlags : TCefEventFlags): Boolean;
begin
if (FEvents <> nil) then
Result := IChromiumEvents(FEvents).doOnContextMenuCommand(browser, frame, params, commandId, eventFlags)
else
Result := inherited OnContextMenuCommand(browser, frame, params, commandId, eventFlags);
end;
procedure TCustomContextMenuHandler.OnContextMenuDismissed(const browser : ICefBrowser;
const frame : ICefFrame);
begin
if (FEvents <> nil) then IChromiumEvents(FEvents).doOnContextMenuDismissed(browser, frame);
end;
function TCustomContextMenuHandler.RunQuickMenu(const browser : ICefBrowser;
const frame : ICefFrame;
location : PCefPoint;
size : PCefSize;
edit_state_flags : TCefQuickMenuEditStateFlags;
const callback : ICefRunQuickMenuCallback): boolean;
begin
if (FEvents <> nil) then
Result := IChromiumEvents(FEvents).doRunQuickMenu(browser, frame, location, size, edit_state_flags, callback)
else
Result := inherited RunQuickMenu(browser, frame, location, size, edit_state_flags, callback);
end;
function TCustomContextMenuHandler.OnQuickMenuCommand(const browser : ICefBrowser;
const frame : ICefFrame;
command_id : integer;
event_flags : TCefEventFlags): boolean;
begin
if (FEvents <> nil) then
Result := IChromiumEvents(FEvents).doOnQuickMenuCommand(browser, frame, command_id, event_flags)
else
Result := inherited OnQuickMenuCommand(browser, frame, command_id, event_flags);
end;
procedure TCustomContextMenuHandler.OnQuickMenuDismissed(const browser : ICefBrowser;
const frame : ICefFrame);
begin
if (FEvents <> nil) then IChromiumEvents(FEvents).doOnQuickMenuDismissed(browser, frame);
end;
end.