mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-15 15:55:56 +01:00
769aa4f384
- Added lots of conditional compiler directives to build CEF4DElphi in Linux using Lazarus/FPC - Updated copyright year
275 lines
12 KiB
ObjectPascal
275 lines
12 KiB
ObjectPascal
// ************************************************************************
|
|
// ***************************** CEF4Delphi *******************************
|
|
// ************************************************************************
|
|
//
|
|
// CEF4Delphi is based on DCEF3 which uses CEF3 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 © 2019 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 uCEFContextMenuHandler;
|
|
|
|
{$IFDEF FPC}
|
|
{$MODE OBJFPC}{$H+}
|
|
{$ENDIF}
|
|
|
|
{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
|
|
{$MINENUMSIZE 4}
|
|
|
|
{$I cef.inc}
|
|
|
|
interface
|
|
|
|
uses
|
|
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
|
|
|
|
type
|
|
TCefContextMenuHandlerOwn = class(TCefBaseRefCountedOwn, ICefContextMenuHandler)
|
|
protected
|
|
procedure OnBeforeContextMenu(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel); virtual;
|
|
function RunContextMenu(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel; const callback: ICefRunContextMenuCallback): Boolean; virtual;
|
|
function OnContextMenuCommand(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; commandId: Integer; eventFlags: TCefEventFlags): Boolean; virtual;
|
|
procedure OnContextMenuDismissed(const browser: ICefBrowser; const frame: ICefFrame); virtual;
|
|
|
|
procedure RemoveReferences; virtual;
|
|
|
|
public
|
|
constructor Create; virtual;
|
|
end;
|
|
|
|
TCustomContextMenuHandler = class(TCefContextMenuHandlerOwn)
|
|
protected
|
|
FEvents : Pointer;
|
|
|
|
procedure OnBeforeContextMenu(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel); override;
|
|
function RunContextMenu(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel; const callback: ICefRunContextMenuCallback): Boolean; override;
|
|
function OnContextMenuCommand(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; commandId: Integer; eventFlags: TCefEventFlags): Boolean; override;
|
|
procedure OnContextMenuDismissed(const browser: ICefBrowser; const frame: ICefFrame); override;
|
|
|
|
procedure RemoveReferences; override;
|
|
|
|
public
|
|
constructor Create(const events: Pointer); reintroduce; virtual;
|
|
destructor Destroy; override;
|
|
end;
|
|
|
|
implementation
|
|
|
|
uses
|
|
{$IFDEF DELPHI16_UP}
|
|
System.SysUtils,
|
|
{$ELSE}
|
|
SysUtils,
|
|
{$ENDIF}
|
|
uCEFMiscFunctions, uCEFLibFunctions, uCEFBrowser, uCEFFrame, uCEFContextMenuParams,
|
|
uCEFMenuModel, uCEFRunContextMenuCallback;
|
|
|
|
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;
|
|
|
|
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;
|
|
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.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: Pointer);
|
|
begin
|
|
inherited Create;
|
|
|
|
FEvents := 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;
|
|
|
|
end.
|