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Poco::BasicEvent improvements and preparations for future support of lambdas/std::function

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This commit is contained in:
Guenter Obiltschnig
2014-11-24 11:17:27 +01:00
parent 77bbc7e9ba
commit d5d048e689
12 changed files with 351 additions and 343 deletions
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19
Foundation/include/Poco/NotificationStrategy.h
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@@ -35,6 +35,8 @@ class NotificationStrategy
/// but does not need to inherit from NotificationStrategy.
{
public:
typedef TDelegate* DelegateHandle;
NotificationStrategy()
{
}
@@ -46,13 +48,17 @@ public:
virtual void notify(const void* sender, TArgs& arguments) = 0;
/// Sends a notification to all registered delegates.
virtual void add(const TDelegate& delegate) = 0;
virtual DelegateHandle add(const TDelegate& delegate) = 0;
/// Adds a delegate to the strategy.
virtual void remove(const TDelegate& delegate) = 0;
/// Removes a delegate from the strategy, if found.
/// Does nothing if the delegate has not been added.
virtual void remove(DelegateHandle delegateHandle) = 0;
/// Removes a delegate from the strategy, if found.
/// Does nothing if the delegate has not been added.
virtual void clear() = 0;
/// Removes all delegates from the strategy.
@@ -60,8 +66,9 @@ public:
/// Returns false if the strategy contains at least one delegate.
};
template <class TDelegate>
class NotificationStrategy<void,TDelegate>
class NotificationStrategy<void, TDelegate>
/// The interface that all notification strategies must implement.
///
/// Note: Event is based on policy-driven design, so every strategy implementation
@@ -69,6 +76,8 @@ class NotificationStrategy<void,TDelegate>
/// but does not need to inherit from NotificationStrategy.
{
public:
typedef TDelegate* DelegateHandle;
NotificationStrategy()
{
}
@@ -80,13 +89,17 @@ public:
virtual void notify(const void* sender) = 0;
/// Sends a notification to all registered delegates.
virtual void add(const TDelegate& delegate) = 0;
virtual DelegateHandle add(const TDelegate& delegate) = 0;
/// Adds a delegate to the strategy.
virtual void remove(const TDelegate& delegate) = 0;
/// Removes a delegate from the strategy, if found.
/// Does nothing if the delegate has not been added.
virtual void remove(DelegateHandle delegateHandle) = 0;
/// Removes a delegate from the strategy, if found.
/// Does nothing if the delegate has not been added.
virtual void clear() = 0;
/// Removes all delegates from the strategy.