CEF4Delphi/source/uCEFFindHandler.pas
Salvador Diaz Fau 830117e0ca Faster browser destruction
Faster browser destruction. All timers have been removed from the demos.
Removed unnecessary client handler class in TChromium. Now there's only
an interface.
Fixed an old memory leak in popup windows.
2017-06-11 17:48:20 +02:00

113 lines
3.7 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 uCEFFindHandler;
{$IFNDEF CPUX64}
{$ALIGN ON}
{$MINENUMSIZE 4}
{$ENDIF}
{$I cef.inc}
interface
uses
uCEFBaseRefCounted, uCEFTypes, uCEFInterfaces;
type
TCefFindHandlerOwn = class(TCefBaseRefCountedOwn, ICefFindHandler)
protected
procedure OnFindResult(const browser: ICefBrowser; identifier, count: Integer; const selectionRect: PCefRect; activeMatchOrdinal: Integer; finalUpdate: Boolean); virtual; abstract;
public
constructor Create; virtual;
end;
TCustomFindHandler = class(TCefFindHandlerOwn)
protected
FEvent: IChromiumEvents;
procedure OnFindResult(const browser: ICefBrowser; identifier, count: Integer; const selectionRect: PCefRect; activeMatchOrdinal: Integer; finalUpdate: Boolean); override;
public
constructor Create(const events: IChromiumEvents); reintroduce; virtual;
destructor Destroy; override;
end;
implementation
uses
uCEFMiscFunctions, uCEFLibFunctions, uCEFBrowser;
procedure cef_find_handler_on_find_result(self: PCefFindHandler; browser: PCefBrowser; identifier, count: Integer; const selection_rect: PCefRect; active_match_ordinal, final_update: Integer); stdcall;
begin
with TCefFindHandlerOwn(CefGetObject(self)) do
OnFindResult(TCefBrowserRef.UnWrap(browser), identifier, count, selection_rect, active_match_ordinal, final_update <> 0);
end;
constructor TCefFindHandlerOwn.Create;
begin
CreateData(SizeOf(TCefFindHandler), False);
with PCefFindHandler(FData)^ do on_find_result := cef_find_handler_on_find_result;
end;
// TCustomFindHandler
constructor TCustomFindHandler.Create(const events: IChromiumEvents);
begin
inherited Create;
FEvent := events;
end;
destructor TCustomFindHandler.Destroy;
begin
FEvent := nil;
inherited Destroy;
end;
procedure TCustomFindHandler.OnFindResult(const browser: ICefBrowser; identifier, count: Integer; const selectionRect: PCefRect; activeMatchOrdinal: Integer; finalUpdate: Boolean);
begin
if (FEvent <> nil) then
FEvent.doOnFindResult(browser, identifier, count, selectionRect, activeMatchOrdinal, finalUpdate);
end;
end.