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CEF4Delphi/source/uCEFGeolocationHandler.pas
Salvador Diaz Fau 68769fdda2 Update to CEF 3.2987.1594.g92fba9c
Bug fix for memory leak in TChromium.Internal_SavePreferences
2017-03-16 19:12:31 +01:00

141 lines
4.9 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 © 2017 Salvador Díaz 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 uCEFGeolocationHandler;
{$IFNDEF CPUX64}
{$ALIGN ON}
{$MINENUMSIZE 4}
{$ENDIF}
{$I cef.inc}
interface
uses
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
type
TCefGeolocationHandlerOwn = class(TCefBaseRefCountedOwn, ICefGeolocationHandler)
protected
function OnRequestGeolocationPermission(const browser: ICefBrowser; const requestingUrl: ustring; requestId: Integer; const callback: ICefGeolocationCallback): Boolean; virtual;
procedure OnCancelGeolocationPermission(const browser: ICefBrowser; requestId: Integer); virtual;
public
constructor Create; virtual;
end;
TCustomGeolocationHandler = class(TCefGeolocationHandlerOwn)
protected
FEvent: IChromiumEvents;
function OnRequestGeolocationPermission(const browser: ICefBrowser; const requestingUrl: ustring; requestId: Integer; const callback: ICefGeolocationCallback): Boolean; override;
procedure OnCancelGeolocationPermission(const browser: ICefBrowser; requestId: Integer); override;
public
constructor Create(const events: IChromiumEvents); reintroduce; virtual;
end;
implementation
uses
uCEFMiscFunctions, uCEFLibFunctions, uCEFBrowser, uCEFGeolocationCallback;
function cef_geolocation_handler_on_request_geolocation_permission(self: PCefGeolocationHandler;
browser: PCefBrowser; const requesting_url: PCefString; request_id: Integer;
callback: PCefGeolocationCallback): Integer; stdcall;
begin
with TCefGeolocationHandlerOwn(CefGetObject(self)) do
Result := Ord(OnRequestGeolocationPermission(TCefBrowserRef.UnWrap(browser), CefString(requesting_url),
request_id, TCefGeolocationCallbackRef.UnWrap(callback)));
end;
procedure cef_geolocation_handler_on_cancel_geolocation_permission(self: PCefGeolocationHandler;
browser: PCefBrowser; request_id: Integer); stdcall;
begin
with TCefGeolocationHandlerOwn(CefGetObject(self)) do
OnCancelGeolocationPermission(TCefBrowserRef.UnWrap(browser), request_id);
end;
// TCefGeolocationHandlerOwn
constructor TCefGeolocationHandlerOwn.Create;
begin
inherited CreateData(SizeOf(TCefGeolocationHandler));
with PCefGeolocationHandler(FData)^ do
begin
on_request_geolocation_permission := cef_geolocation_handler_on_request_geolocation_permission;
on_cancel_geolocation_permission := cef_geolocation_handler_on_cancel_geolocation_permission;
end;
end;
function TCefGeolocationHandlerOwn.OnRequestGeolocationPermission(
const browser: ICefBrowser; const requestingUrl: ustring; requestId: Integer;
const callback: ICefGeolocationCallback): Boolean;
begin
Result := False;
end;
procedure TCefGeolocationHandlerOwn.OnCancelGeolocationPermission(const browser: ICefBrowser; requestId: Integer);
begin
end;
// TCustomGeolocationHandler
constructor TCustomGeolocationHandler.Create(const events: IChromiumEvents);
begin
inherited Create;
FEvent := events;
end;
procedure TCustomGeolocationHandler.OnCancelGeolocationPermission(const browser: ICefBrowser; requestId: Integer);
begin
FEvent.doOnCancelGeolocationPermission(browser, requestId);
end;
function TCustomGeolocationHandler.OnRequestGeolocationPermission(
const browser: ICefBrowser; const requestingUrl: ustring; requestId: Integer;
const callback: ICefGeolocationCallback): Boolean;
begin
Result := FEvent.doOnRequestGeolocationPermission(browser, requestingUrl, requestId, callback);
end;
end.