本文整理汇总了C++中NotificationCenter::removeObserver方法的典型用法代码示例。如果您正苦于以下问题:C++ NotificationCenter::removeObserver方法的具体用法?C++ NotificationCenter::removeObserver怎么用?C++ NotificationCenter::removeObserver使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类NotificationCenter
的用法示例。
在下文中一共展示了NotificationCenter::removeObserver方法的5个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1:
void NotificationCenterTest::test4()
{
NotificationCenter nc;
Observer<NotificationCenterTest, Notification> o1(*this, &NotificationCenterTest::handle1);
Observer<NotificationCenterTest, Notification> o2(*this, &NotificationCenterTest::handle2);
nc.addObserver(o1);
assert (nc.hasObserver(o1));
nc.addObserver(o2);
assert (nc.hasObserver(o2));
nc.postNotification(new Notification);
assert (_set.size() == 2);
assert (_set.find("handle1") != _set.end());
assert (_set.find("handle2") != _set.end());
nc.removeObserver(Observer<NotificationCenterTest, Notification>(*this, &NotificationCenterTest::handle1));
assert (!nc.hasObserver(o1));
nc.removeObserver(Observer<NotificationCenterTest, Notification>(*this, &NotificationCenterTest::handle2));
assert (!nc.hasObserver(o2));
_set.clear();
nc.postNotification(new Notification);
assert (_set.empty());
Observer<NotificationCenterTest, Notification> o3(*this, &NotificationCenterTest::handle3);
nc.addObserver(o3);
assert (nc.hasObserver(o3));
nc.postNotification(new Notification);
assert (_set.size() == 1);
assert (_set.find("handle3") != _set.end());
nc.removeObserver(Observer<NotificationCenterTest, Notification>(*this, &NotificationCenterTest::handle3));
assert (!nc.hasObserver(o3));
}
示例2: main_1
int main_1(int argc, char** argv) {
NotificationCenter nc;
Target target;
// Observer works with plain pointers to Notification objects.
nc.addObserver(
Observer<Target, BaseNotification>(target, &Target::handleBase));
// NObserver works with AutoPtr<Notification>.
// handleBase and handleSub both got this
nc.addObserver(
NObserver<Target, SubNotification>(target, &Target::handleSub));
std::cout << "* postNotification: BaseNotification" << std::endl;
nc.postNotification(new BaseNotification("Base Class Notification"));
// Targets subscribed for a particular notification class also receive
// notifications that are subclasses of that class.
std::cout << "* postNotification: SubNotification" << std::endl;
nc.postNotification(new SubNotification("Sub Class Notification"));
nc.removeObserver(
Observer<Target, BaseNotification>(target, &Target::handleBase));
nc.removeObserver(
NObserver<Target, SubNotification>(target, &Target::handleSub));
return 0;
}
示例3:
void NotificationCenterTest::test5()
{
NotificationCenter nc;
nc.addObserver(Observer<NotificationCenterTest, Notification>(*this, &NotificationCenterTest::handle1));
nc.addObserver(Observer<NotificationCenterTest, TestNotification>(*this, &NotificationCenterTest::handleTest));
nc.postNotification(new Notification);
assert (_set.size() == 1);
assert (_set.find("handle1") != _set.end());
_set.clear();
nc.postNotification(new TestNotification);
assert (_set.size() == 2);
assert (_set.find("handle1") != _set.end());
assert (_set.find("handleTest") != _set.end());
nc.removeObserver(Observer<NotificationCenterTest, Notification>(*this, &NotificationCenterTest::handle1));
nc.removeObserver(Observer<NotificationCenterTest, TestNotification>(*this, &NotificationCenterTest::handleTest));
}
示例4: testAuto
void NotificationCenterTest::testAuto()
{
NotificationCenter nc;
nc.addObserver(NObserver<NotificationCenterTest, Notification>(*this, &NotificationCenterTest::handleAuto));
nc.postNotification(new Notification);
assert (_set.size() == 1);
assert (_set.find("handleAuto") != _set.end());
nc.removeObserver(NObserver<NotificationCenterTest, Notification>(*this, &NotificationCenterTest::handleAuto));
}
示例5:
void NotificationCenterTest::test2()
{
NotificationCenter nc;
nc.addObserver(Observer<NotificationCenterTest, Notification>(*this, &NotificationCenterTest::handle1));
assert (nc.hasObservers());
assert (nc.countObservers() == 1);
nc.postNotification(new Notification);
assert (_set.size() == 1);
assert (_set.find("handle1") != _set.end());
nc.removeObserver(Observer<NotificationCenterTest, Notification>(*this, &NotificationCenterTest::handle1));
assert (!nc.hasObservers());
assert (nc.countObservers() == 0);
}