- port to minGw

git-svn-id: http://moon:8086/svn/software/trunk/projects/JaySynth@235 b431acfa-c32f-4a4a-93f1-934dc6c82436
2015-02-21 17:09:43 +00:00
parent 843c6e300c
commit cfc9645b0b
1093 changed files with 426078 additions and 143 deletions
@@ -0,0 +1,105 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2013 - Raw Material Software Ltd.
+
+   Permission is granted to use this software under the terms of either:
+   a) the GPL v2 (or any later version)
+   b) the Affero GPL v3
+
+   Details of these licenses can be found at: www.gnu.org/licenses
+
+   JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+   ------------------------------------------------------------------------------
+
+   To release a closed-source product which uses JUCE, commercial licenses are
+   available: visit www.juce.com for more information.
+
+  ==============================================================================
+*/
+
+#ifndef JUCE_CHANGEBROADCASTER_H_INCLUDED
+#define JUCE_CHANGEBROADCASTER_H_INCLUDED
+
+
+//==============================================================================
+/**
+    Holds a list of ChangeListeners, and sends messages to them when instructed.
+
+    @see ChangeListener
+*/
+class JUCE_API  ChangeBroadcaster
+{
+public:
+    //==============================================================================
+    /** Creates an ChangeBroadcaster. */
+    ChangeBroadcaster() noexcept;
+
+    /** Destructor. */
+    virtual ~ChangeBroadcaster();
+
+    //==============================================================================
+    /** Registers a listener to receive change callbacks from this broadcaster.
+        Trying to add a listener that's already on the list will have no effect.
+    */
+    void addChangeListener (ChangeListener* listener);
+
+    /** Unregisters a listener from the list.
+        If the listener isn't on the list, this won't have any effect.
+    */
+    void removeChangeListener (ChangeListener* listener);
+
+    /** Removes all listeners from the list. */
+    void removeAllChangeListeners();
+
+    //==============================================================================
+    /** Causes an asynchronous change message to be sent to all the registered listeners.
+
+        The message will be delivered asynchronously by the main message thread, so this
+        method will return immediately. To call the listeners synchronously use
+        sendSynchronousChangeMessage().
+    */
+    void sendChangeMessage();
+
+    /** Sends a synchronous change message to all the registered listeners.
+
+        This will immediately call all the listeners that are registered. For thread-safety
+        reasons, you must only call this method on the main message thread.
+
+        @see dispatchPendingMessages
+    */
+    void sendSynchronousChangeMessage();
+
+    /** If a change message has been sent but not yet dispatched, this will call
+        sendSynchronousChangeMessage() to make the callback immediately.
+
+        For thread-safety reasons, you must only call this method on the main message thread.
+    */
+    void dispatchPendingMessages();
+
+private:
+    //==============================================================================
+    class ChangeBroadcasterCallback  : public AsyncUpdater
+    {
+    public:
+        ChangeBroadcasterCallback();
+        void handleAsyncUpdate() override;
+
+        ChangeBroadcaster* owner;
+    };
+
+    friend class ChangeBroadcasterCallback;
+    ChangeBroadcasterCallback callback;
+    ListenerList <ChangeListener> changeListeners;
+
+    void callListeners();
+
+    JUCE_DECLARE_NON_COPYABLE (ChangeBroadcaster)
+};
+
+
+#endif   // JUCE_CHANGEBROADCASTER_H_INCLUDED