src/kits/interface/LayoutContext.cpp

   1 /*
   2  * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
   3  * All rights reserved. Distributed under the terms of the MIT License.
   4  */
   5
   6 #include <LayoutContext.h>
   7
   8
   9 // constructor
  10 BLayoutContextListener::BLayoutContextListener()
  11 {
  12 }
  13
  14 // destructor
  15 BLayoutContextListener::~BLayoutContextListener()
  16 {
  17 }
  18
  19
  20 void BLayoutContextListener::_ReservedLayoutContextListener1() {}
  21 void BLayoutContextListener::_ReservedLayoutContextListener2() {}
  22 void BLayoutContextListener::_ReservedLayoutContextListener3() {}
  23 void BLayoutContextListener::_ReservedLayoutContextListener4() {}
  24 void BLayoutContextListener::_ReservedLayoutContextListener5() {}
  25
  26
  27 // #pragma mark -
  28
  29
  30 // constructor
  31 BLayoutContext::BLayoutContext()
  32 {
  33 }
  34
  35 // destructor
  36 BLayoutContext::~BLayoutContext()
  37 {
  38         // notify the listeners
  39         for (int32 i = 0;
  40                  BLayoutContextListener* listener
  41                         = (BLayoutContextListener*)fListeners.ItemAt(i);
  42                  i++) {
  43                 listener->LayoutContextLeft(this);
  44         }
  45 }
  46
  47 // AddListener
  48 void
  49 BLayoutContext::AddListener(BLayoutContextListener* listener)
  50 {
  51         if (listener)
  52                 fListeners.AddItem(listener);
  53 }
  54
  55 // RemoveListener
  56 void
  57 BLayoutContext::RemoveListener(BLayoutContextListener* listener)
  58 {
  59         if (listener)
  60                 fListeners.RemoveItem(listener);
  61 }