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CEF4Delphi/source/uCEFFindHandler.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

117 lines
3.5 KiB
ObjectPascal

unit uCEFFindHandler;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$I cef.inc}
{$IFNDEF TARGET_64BITS}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
interface
uses
uCEFBaseRefCounted, uCEFTypes, uCEFInterfaces;
type
TCefFindHandlerOwn = class(TCefBaseRefCountedOwn, ICefFindHandler)
protected
procedure OnFindResult(const browser: ICefBrowser; identifier, count: Integer; const selectionRect: PCefRect; activeMatchOrdinal: Integer; finalUpdate: Boolean); virtual; abstract;
procedure RemoveReferences; virtual;
public
constructor Create; virtual;
end;
TCustomFindHandler = class(TCefFindHandlerOwn)
protected
FEvents : Pointer;
procedure OnFindResult(const browser: ICefBrowser; identifier, count: Integer; const selectionRect: PCefRect; activeMatchOrdinal: Integer; finalUpdate: Boolean); override;
procedure RemoveReferences; override;
public
constructor Create(const events : IChromiumEvents); reintroduce; virtual;
destructor Destroy; override;
end;
implementation
uses
{$IFDEF DELPHI16_UP}
System.SysUtils,
{$ELSE}
SysUtils,
{$ENDIF}
uCEFMiscFunctions, uCEFLibFunctions, uCEFBrowser;
procedure cef_find_handler_on_find_result( self : PCefFindHandler;
browser : PCefBrowser;
identifier : Integer;
count : Integer;
const selection_rect : PCefRect;
active_match_ordinal : integer;
final_update : Integer); stdcall;
var
TempObject : TObject;
begin
TempObject := CefGetObject(self);
if (TempObject <> nil) and (TempObject is TCefFindHandlerOwn) then
TCefFindHandlerOwn(TempObject).OnFindResult(TCefBrowserRef.UnWrap(browser),
identifier,
count,
selection_rect,
active_match_ordinal,
final_update <> 0);
end;
constructor TCefFindHandlerOwn.Create;
begin
inherited CreateData(SizeOf(TCefFindHandler));
PCefFindHandler(FData)^.on_find_result := {$IFDEF FPC}@{$ENDIF}cef_find_handler_on_find_result;
end;
procedure TCefFindHandlerOwn.RemoveReferences;
begin
//
end;
// TCustomFindHandler
constructor TCustomFindHandler.Create(const events : IChromiumEvents);
begin
inherited Create;
FEvents := Pointer(events);
end;
destructor TCustomFindHandler.Destroy;
begin
RemoveReferences;
inherited Destroy;
end;
procedure TCustomFindHandler.RemoveReferences;
begin
FEvents := nil;
end;
procedure TCustomFindHandler.OnFindResult(const browser : ICefBrowser;
identifier : Integer;
count : Integer;
const selectionRect : PCefRect;
activeMatchOrdinal : Integer;
finalUpdate : Boolean);
begin
if (FEvents <> nil) then
IChromiumEvents(FEvents).doOnFindResult(browser, identifier, count, selectionRect, activeMatchOrdinal, finalUpdate);
end;
end.