Remove all trace of Observers and Subjects

this marks the completion of the transition to FbTk::Signal

7 files changed, 1 insertions, 344 deletions

diff --git a/src/FbTk/Makefile.am b/src/FbTk/Makefile.am
index 8619cc1..4c38f84 100644
--- a/src/FbTk/Makefile.am
+++ b/src/FbTk/Makefile.am
@@ -46,7 +46,6 @@ libFbTk_a_SOURCES = App.hh App.cc Color.cc Color.hh Command.hh \
         StringUtil.hh StringUtil.cc Parser.hh Parser.cc \
         RegExp.hh RegExp.cc \
         FbString.hh FbString.cc \
-        Subject.hh Subject.cc Observer.hh Observer.cc SimpleObserver.hh \
         AutoReloadHelper.hh AutoReloadHelper.cc \
         Transparent.hh Transparent.cc \
         FbPixmap.hh FbPixmap.cc \
@@ -63,7 +62,7 @@ libFbTk_a_SOURCES = App.hh App.cc Color.cc Color.hh Command.hh \
         TypeAhead.hh SearchResult.hh SearchResult.cc ITypeAheadable.hh \
         Select2nd.hh STLUtil.hh \
         CachedPixmap.hh CachedPixmap.cc \
-        Slot.hh Signal.hh MemFun.hh RelaySignal.hh SelectArg.hh \
+        Slot.hh Signal.hh MemFun.hh SelectArg.hh \
         Util.hh \
         ${xpm_SOURCE} \
         ${xft_SOURCE} \
diff --git a/src/FbTk/Observer.cc b/src/FbTk/Observer.cc
deleted file mode 100644
index dcd115f..0000000
--- a/src/FbTk/Observer.cc
+++ /dev/null
@@ -1,31 +0,0 @@
-// Observer.cc for FbTk
-// Copyright (c) 2002 - 2006 Henrik Kinnunen (fluxgen at fluxbox dot org)
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the "Software"),
-// to deal in the Software without restriction, including without limitation
-// the rights to use, copy, modify, merge, publish, distribute, sublicense,
-// and/or sell copies of the Software, and to permit persons to whom the
-// Software is furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
-// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-// DEALINGS IN THE SOFTWARE.
-
-#include "Observer.hh"
-#include "Subject.hh"
-
-namespace FbTk {
-
-Observer::~Observer() {
-    Subject::removeObserver(this); // make sure no subject has this observer attached
-}
-
-}
diff --git a/src/FbTk/Observer.hh b/src/FbTk/Observer.hh
deleted file mode 100644
index 3f1a8c3..0000000
--- a/src/FbTk/Observer.hh
+++ /dev/null
@@ -1,37 +0,0 @@
-// Observer.hh for FbTk
-// Copyright (c) 2002 Henrik Kinnunen (fluxgen at fluxbox dot org)
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the "Software"),
-// to deal in the Software without restriction, including without limitation
-// the rights to use, copy, modify, merge, publish, distribute, sublicense,
-// and/or sell copies of the Software, and to permit persons to whom the
-// Software is furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
-// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-// DEALINGS IN THE SOFTWARE.
-
-#ifndef FBTK_OBSERVER_HH
-#define FBTK_OBSERVER_HH
-
-namespace FbTk {
-
-class Subject;
-
-class Observer {
-public:
-    virtual ~Observer();
-    virtual void update(Subject *changedSubj) = 0;
-};
-
-} // end namespace FBTK
-
-#endif // FBTK_OBSERVER_HH
diff --git a/src/FbTk/RelaySignal.hh b/src/FbTk/RelaySignal.hh
deleted file mode 100644
index e9b7281..0000000
--- a/src/FbTk/RelaySignal.hh
+++ /dev/null
@@ -1,62 +0,0 @@
-// RelaySignal.hh
-// Copyright (c) 2010 Fluxbox Team (fluxgen at fluxbox dot org)
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the "Software"),
-// to deal in the Software without restriction, including without limitation
-// the rights to use, copy, modify, merge, publish, distribute, sublicense,
-// and/or sell copies of the Software, and to permit persons to whom the
-// Software is furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-// DEALINGS IN THE SOFTWARE.
-
-#ifndef FBTK_RELAY_SIGNAL_HH
-#define FBTK_RELAY_SIGNAL_HH
-
-#include "Signal.hh"
-#include "MemFun.hh"
-#include "Subject.hh"
-
-namespace FbTk {
-
-/**
- * Relays a new signal type to the old subject type signal. When the new signal
- * emits the subject notify() will be called.
- * This function is temporary and just a helper during transition between old
- * and new signal system.
- *
- * @param from The original source of the signal.
- * @param to_subject The destination Subject.
- */
-template < typename Signal >
-void relaySignal(Signal& from, FbTk::Subject& to_subject) {
-    from.connect(MemFunIgnoreArgs(to_subject, &FbTk::Subject::notify));
-}
-
-/**
- * Relays a new signal type to the old subject type signal. When the new signal
- * emits the subject notify() will be called.
- * This function is temporary and just a helper during transition between old
- * and new signal system.
- *
- * @param tracker Keeps track of signals
- * @param from The original source of the signal.
- * @param to_subject The destination Subject
- */
-template < typename Signal >
-void relaySignal(SignalTracker& tracker, Signal& from, FbTk::Subject& to_subject) {
-    tracker.join(from, MemFunIgnoreArgs(to_subject, &FbTk::Subject::notify));
-}
-
-} // end namespace FbTk
-
-#endif // FBTK_RELAY_SIGNAL_HH
diff --git a/src/FbTk/SimpleObserver.hh b/src/FbTk/SimpleObserver.hh
deleted file mode 100644
index aafdf59..0000000
--- a/src/FbTk/SimpleObserver.hh
+++ /dev/null
@@ -1,70 +0,0 @@
-// SimpleObserver.hh
-// Copyright (c) 2008 Fluxbox Team (fluxgen at fluxbox dot org)
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the "Software"),
-// to deal in the Software without restriction, including without limitation
-// the rights to use, copy, modify, merge, publish, distribute, sublicense,
-// and/or sell copies of the Software, and to permit persons to whom the
-// Software is furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-// DEALINGS IN THE SOFTWARE.
-
-#include "Observer.hh"
-#include "SimpleCommand.hh"
-
-namespace FbTk {
-
-/** Functor for observers, instead of using this directly use makeObserver.
- * Usage: 
- * @code
- * class SomeClass {
- * public:
- *    void doAction();
- * };
- *
- * SomeClass some;
- *
- * Observer* obs = makeProxyObserver(some, &SomeClass::doAction);
- * SomeSubject subj;
- * subj.attach(obs);
- * @endcode
- */
-template <typename Receiver>
-class SimpleObserver: public Observer {
-public:
-    typedef void (Receiver::* Action)();
-    SimpleObserver(Receiver &r, Action a):
-        m_receiver(r), m_action(a) {
-        
-    }
-    void update(Subject *changedSubj) {
-        (m_receiver.*m_action)();
-    }
-private:
-    Receiver &m_receiver;
-    Action m_action;
-};
-
-// Helpers
-/** Creates an observer that takes no arguments.
- * @param receiver The receiving instance.
- * @param action A function in the receiving class.
- * @return allocated simple observer. @see SimpleObserver
- */
-template <typename Receiver, typename Action>
-Observer *makeObserver(Receiver &receiver, Action action) {
-    return new SimpleObserver<Receiver>( receiver, action );
-}
-
-}
-
diff --git a/src/FbTk/Subject.cc b/src/FbTk/Subject.cc
deleted file mode 100644
index 594eb23..0000000
--- a/src/FbTk/Subject.cc
+++ /dev/null
@@ -1,85 +0,0 @@
-// Subject.cc for FbTk
-// Copyright (c) 2002 - 2006 Henrik Kinnunen (fluxgen at fluxbox dot org)
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the "Software"),
-// to deal in the Software without restriction, including without limitation
-// the rights to use, copy, modify, merge, publish, distribute, sublicense,
-// and/or sell copies of the Software, and to permit persons to whom the
-// Software is furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
-// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-// DEALINGS IN THE SOFTWARE.
-
-#include "Subject.hh"
-#include "Observer.hh"
-
-#include <algorithm>
-#include <functional>
-
-namespace FbTk {
-
-Subject::SubjectList Subject::s_subjectlist;
-
-Subject::Subject():m_notify_mode(false) {
-    s_subjectlist.push_back(this);
-}
-
-Subject::~Subject() {
-    s_subjectlist.erase(std::remove(s_subjectlist.begin(),
-                                    s_subjectlist.end(), this));
-}
-
-void Subject::attach(Observer *obj) {
-    m_observerlist.push_back(obj);
-    // no need to have more than one instance of an observer
-    m_observerlist.erase(std::unique(m_observerlist.begin(), m_observerlist.end()),
-                         m_observerlist.end());
-}
-
-void Subject::detach(Observer *obj) {
-    if (m_notify_mode)
-        m_dead_observers.push_back(obj);
-    else {
-        m_observerlist.erase(std::remove(m_observerlist.begin(),
-                                         m_observerlist.end(), obj),
-                             m_observerlist.end());
-    }
-}
-
-void Subject::notify() {
-    ObserverList::iterator it = m_observerlist.begin(),
-                           it_end = m_observerlist.end();
-    for (; it != it_end; ++it) {
-        m_notify_mode = true;
-        (*it)->update(this);
-        ObserverList::iterator d_it = m_dead_observers.begin(),
-                               d_it_end = m_dead_observers.end();
-        m_notify_mode = false;
-
-        // there might be dead observers later in the list, so we must remove
-        // them now
-        for (; d_it != d_it_end; ++d_it) {
-             if (*d_it == *it)
-                 --it; // don't invalidate our iterator
-             detach(*d_it);
-        }
-        m_dead_observers.clear();
-    }
-}
-
-void Subject::removeObserver(Observer *obj) {
-    std::for_each(s_subjectlist.begin(), s_subjectlist.end(),
-                  std::bind2nd(std::mem_fun(&Subject::detach), obj));
-
-}
-
-} // end namespace FbTk
diff --git a/src/FbTk/Subject.hh b/src/FbTk/Subject.hh
deleted file mode 100644
index f2cde41..0000000
--- a/src/FbTk/Subject.hh
+++ /dev/null
@@ -1,57 +0,0 @@
-// Subject.hh for FbTk
-// Copyright (c) 2002-2003 Henrik Kinnunen (fluxgen at fluxbox dot org)
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the "Software"),
-// to deal in the Software without restriction, including without limitation
-// the rights to use, copy, modify, merge, publish, distribute, sublicense,
-// and/or sell copies of the Software, and to permit persons to whom the
-// Software is furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
-// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-// DEALINGS IN THE SOFTWARE.
-
-#ifndef FBTK_SUBJECT_HH
-#define FBTK_SUBJECT_HH
-
-#include "NotCopyable.hh"
-
-#include <list>
-
-namespace FbTk {
-
-class Observer;
-
-class Subject:private FbTk::NotCopyable {
-public:
-    Subject();
-    virtual ~Subject();
-    /// attach an observer
-    void attach(Observer *obs);
-    /// detach an observer
-    void detach(Observer *obs);
-    /// notify all attached observers
-    void notify();
-    static void removeObserver(Observer *obs);
-private:
-    bool m_notify_mode;
-    
-    typedef std::list<Observer *> ObserverList;
-    ObserverList m_observerlist;
-    ObserverList m_dead_observers;
-
-    typedef std::list<Subject *> SubjectList;
-    static SubjectList s_subjectlist;
-};
-
-} // end namespace FbTk
-
-#endif // FBTK_SUBJECT_HH