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Salvador Diaz Fau
2017-01-27 17:29:37 +01:00
parent 18dd05505c
commit 21dcc60a24
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// ************************************************************************
// ***************************** 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 � 2017 Salvador D�az 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;
{$IFNDEF CPUX64}
{$ALIGN ON}
{$MINENUMSIZE 4}
{$ENDIF}
interface
uses
uCEFBase, uCEFInterfaces, uCEFTypes;
type
TCefContextMenuHandlerOwn = class(TCefBaseOwn, 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;
public
constructor Create; virtual;
end;
TCustomContextMenuHandler = class(TCefContextMenuHandlerOwn)
protected
FEvent: IChromiumEvents;
procedure OnBeforeContextMenu(const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel); 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;
public
constructor Create(const events: IChromiumEvents); reintroduce; virtual;
end;
implementation
uses
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;
begin
with TCefContextMenuHandlerOwn(CefGetObject(self)) do
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;
begin
with TCefContextMenuHandlerOwn(CefGetObject(self)) do
Result := Ord(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: Integer): Integer; stdcall;
begin
with TCefContextMenuHandlerOwn(CefGetObject(self)) do
Result := Ord(OnContextMenuCommand(TCefBrowserRef.UnWrap(browser), TCefFrameRef.UnWrap(frame),
TCefContextMenuParamsRef.UnWrap(params), command_id, TCefEventFlags(Pointer(@event_flags)^)));
end;
procedure cef_context_menu_handler_on_context_menu_dismissed(self: PCefContextMenuHandler;
browser: PCefBrowser; frame: PCefFrame); stdcall;
begin
with TCefContextMenuHandlerOwn(CefGetObject(self)) do
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 := cef_context_menu_handler_on_before_context_menu;
run_context_menu := cef_context_menu_handler_run_context_menu;
on_context_menu_command := cef_context_menu_handler_on_context_menu_command;
on_context_menu_dismissed := 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;
// TCustomContextMenuHandler
constructor TCustomContextMenuHandler.Create(const events: IChromiumEvents);
begin
inherited Create;
FEvent := events;
end;
procedure TCustomContextMenuHandler.OnBeforeContextMenu(
const browser: ICefBrowser; const frame: ICefFrame;
const params: ICefContextMenuParams; const model: ICefMenuModel);
begin
FEvent.doOnBeforeContextMenu(browser, frame, params, model);
end;
function TCustomContextMenuHandler.OnContextMenuCommand(
const browser: ICefBrowser; const frame: ICefFrame;
const params: ICefContextMenuParams; commandId: Integer;
eventFlags: TCefEventFlags): Boolean;
begin
Result := FEvent.doOnContextMenuCommand(browser, frame, params, commandId,
eventFlags);
end;
procedure TCustomContextMenuHandler.OnContextMenuDismissed(
const browser: ICefBrowser; const frame: ICefFrame);
begin
FEvent.doOnContextMenuDismissed(browser, frame);
end;
end.