cocoa wxTimer

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31752 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/cocoa/timer.mm

@@ -0,0 +1,123 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        src/cocoa/timer.mm
+// Purpose:     wxTimer for wxCocoa
+// Author:      Ryan Norton
+// Modified by:
+// Created:     2005-02-04
+// RCS-ID:      $Id$
+// Copyright:   (c) Ryan Norton
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if wxUSE_TIMER
+
+#ifndef WX_PRECOMP
+    #include "wx/timer.h"
+#endif
+
+#import <Foundation/NSTimer.h>
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+IMPLEMENT_CLASS(wxTimer, wxTimerBase)
+
+// ========================================================================
+// wxNSTimerDelegate
+// ========================================================================
+@interface wxNSTimerDelegate : NSObject
+{
+}
+
+- (void)onNotify:(NSTimer *)theTimer;
+@end // interface wxNSTimerDelegate : NSObject
+
+// ========================================================================
+// wxNSTimerData
+// ========================================================================
+@interface wxNSTimerData : NSObject
+{
+    wxTimer* m_timer;
+}
+
+- (id)setTimer:(wxTimer*)theTimer;
+- (wxTimer*)timer;
+@end // interface wxNSTimerData : NSObject
+
+@implementation wxNSTimerData : NSObject
+- (id)setTimer:(wxTimer*)theTimer;
+{
+    m_timer = theTimer;
+    return self;
+}
+- (wxTimer*)timer
+{
+    return m_timer;
+}
+@end 
+
+@implementation wxNSTimerDelegate : NSObject
+- (void)onNotify:(NSTimer *)theTimer
+{
+    wxNSTimerData* theData = [theTimer userInfo];
+    [theData timer]->Notify(); //wxTimerBase method
+}
+@end 
+
+// ----------------------------------------------------------------------------
+// wxTimer
+// ----------------------------------------------------------------------------
+
+const wxObjcAutoRefFromAlloc<struct objc_object*> wxTimer::sm_cocoaDelegate = [[wxNSTimerDelegate alloc] init];
+
+wxTimer::~wxTimer()
+{
+    Stop();
+}
+
+void wxTimer::Init()
+{
+    m_cocoaNSTimer = NULL;
+}
+
+bool wxTimer::Start(int millisecs, bool oneShot)
+{
+    m_cocoaNSTimer =     [[NSTimer 
+            scheduledTimerWithTimeInterval: millisecs / 1000.0 //seconds
+            target:		wxTimer::sm_cocoaDelegate
+            selector:	@selector(onNotify:) 
+            userInfo:	[[wxNSTimerData alloc] setTimer:this]
+            repeats:	oneShot == false] retain];
+                       
+    return IsRunning();
+}
+
+void wxTimer::Stop()
+{
+    if (m_cocoaNSTimer)
+    {
+        [m_cocoaNSTimer invalidate];
+        [[m_cocoaNSTimer userInfo] release];
+        [m_cocoaNSTimer release];
+    }
+}
+
+bool wxTimer::IsRunning() const
+{
+    return m_cocoaNSTimer != NULL && [m_cocoaNSTimer isValid];
+}
+
+#endif // wxUSE_TIMER
+