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CEF4Delphi/source/uCEFMacOSCustomCocoaTimer.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.
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Updated the LICENSE.md file
2023-08-09 19:38:57 +02:00

122 lines
2.5 KiB
ObjectPascal

unit uCEFMacOSCustomCocoaTimer;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$I cef.inc}
{$IFNDEF TARGET_64BITS}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
interface
{$IFDEF MACOS}
uses
System.Classes, System.TypInfo,
Macapi.ObjectiveC, Macapi.Foundation, Macapi.CocoaTypes, Macapi.ObjCRuntime,
uCEFMacOSInterfaces;
type
TCustomCocoaTimer = class(TOCLocal)
private
FTimer : NSTimer;
FOnTimer : TNotifyEvent;
FInterval : integer;
FEnabled : boolean;
procedure CreateNSTimer;
procedure DestroyNSTimer;
procedure SetEnabled(aValue : boolean);
public
constructor Create;
destructor Destroy; override;
function GetObjectiveCClass: PTypeInfo; override;
procedure timerTimeout(timer: NSTimer); cdecl;
property OnTimer : TNotifyEvent read FOnTimer write FOnTimer;
property Interval : integer read FInterval write FInterval;
property Enabled : boolean read FEnabled write SetEnabled;
end;
{$ENDIF}
implementation
{$IFDEF MACOS}
uses
uCEFMacOSFunctions;
constructor TCustomCocoaTimer.Create;
begin
inherited Create;
FTimer := nil;
FOnTimer := nil;
FInterval := 1000;
FEnabled := False;
end;
destructor TCustomCocoaTimer.Destroy;
begin
DestroyNSTimer;
inherited Destroy;
end;
procedure TCustomCocoaTimer.DestroyNSTimer;
begin
if (FTimer <> nil) then
begin
FTimer.invalidate;
FTimer := nil;
end;
FEnabled := False;
end;
procedure TCustomCocoaTimer.CreateNSTimer;
var
TempInterval : NSTimeInterval;
TempRunLoop : NSRunLoop;
begin
if (FTimer <> nil) then
DestroyNSTimer;
TempInterval := FInterval / 1000;
FTimer := TNSTimer.Wrap(TNSTimer.OCClass.timerWithTimeInterval(TempInterval, GetObjectID, sel_getUid('timerTimeout:'), nil, False));
if (FTimer <> nil) then
begin
TempRunLoop := TNSRunloop.Wrap(TNSRunLoop.OCClass.currentRunLoop);
TempRunLoop.addTimer(FTimer, NSRunLoopCommonModes);
//TempRunLoop.addTimer(FTimer, NSEventTrackingRunLoopMode);
FEnabled := True;
end;
end;
function TCustomCocoaTimer.GetObjectiveCClass: PTypeInfo;
begin
Result := TypeInfo(ICustomCocoaTimer);
end;
procedure TCustomCocoaTimer.timerTimeout(timer: NSTimer);
begin
if Assigned(FOnTimer) then
FOnTimer(self);
end;
procedure TCustomCocoaTimer.SetEnabled(aValue : boolean);
begin
if (FEnabled = aValue) then exit;
if aValue then
CreateNSTimer
else
DestroyNSTimer;
end;
{$ENDIF}
end.