changeset 1550:96b8227008fa

Move swing component visiblity handling into common class Reviewed-by: neugens Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2014-November/thread.html
author Omair Majid <omajid@redhat.com>
date Tue, 18 Nov 2014 12:37:38 -0500
parents 3769cf76b3ea
children 17bebd72844e
files client/swing/pom.xml client/swing/src/main/java/com/redhat/thermostat/client/swing/experimental/ComponentVisibilityNotifier.java client/swing/src/test/java/com/redhat/thermostat/client/swing/experimental/ComponentVisibilityNotifierTest.java host-cpu/client-swing/src/main/java/com/redhat/thermostat/host/cpu/client/swing/internal/HostCpuPanel.java host-memory/client-swing/src/main/java/com/redhat/thermostat/host/memory/client/swing/internal/HostMemoryPanel.java host-overview/client-swing/src/main/java/com/redhat/thermostat/host/overview/client/swing/internal/HostOverviewPanel.java numa/client-swing/src/main/java/com/redhat/thermostat/numa/client/swing/internal/NumaPanel.java thread/client-swing/src/main/java/com/redhat/thermostat/thread/client/swing/impl/SwingThreadCountView.java thread/client-swing/src/main/java/com/redhat/thermostat/thread/client/swing/impl/SwingThreadTableView.java thread/client-swing/src/main/java/com/redhat/thermostat/thread/client/swing/impl/SwingThreadTimelineView.java thread/client-swing/src/main/java/com/redhat/thermostat/thread/client/swing/impl/SwingThreadView.java thread/client-swing/src/main/java/com/redhat/thermostat/thread/client/swing/impl/SwingVmDeadLockView.java vm-classstat/client-swing/src/main/java/com/redhat/thermostat/vm/classstat/client/swing/VmClassStatPanel.java vm-cpu/client-swing/src/main/java/com/redhat/thermostat/vm/cpu/client/swing/internal/VmCpuPanel.java vm-gc/client-swing/src/main/java/com/redhat/thermostat/vm/gc/client/swing/internal/VmGcPanel.java vm-heap-analysis/client-swing/src/main/java/com/redhat/thermostat/vm/heap/analysis/client/swing/internal/HeapSwingView.java vm-jmx/client-swing/src/main/java/com/redhat/thermostat/vm/jmx/client/swing/internal/JmxNotificationsSwingView.java vm-memory/client-swing/src/main/java/com/redhat/thermostat/vm/memory/client/swing/internal/MemoryStatsViewImpl.java vm-overview/client-swing/src/main/java/com/redhat/thermostat/vm/overview/client/swing/internal/VmOverviewPanel.java
diffstat 19 files changed, 237 insertions(+), 158 deletions(-) [+]
line wrap: on
line diff
--- a/client/swing/pom.xml	Tue Nov 18 17:30:12 2014 +0100
+++ b/client/swing/pom.xml	Tue Nov 18 12:37:38 2014 -0500
@@ -161,6 +161,7 @@
             <Bundle-SymbolicName>com.redhat.thermostat.client.swing</Bundle-SymbolicName>
             <Export-Package>
               com.redhat.thermostat.client.swing,
+              com.redhat.thermostat.client.swing.experimental,
               com.redhat.thermostat.client.swing.components,
               com.redhat.thermostat.client.swing.components.models,
               com.redhat.thermostat.client.swing.components.experimental,
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/client/swing/src/main/java/com/redhat/thermostat/client/swing/experimental/ComponentVisibilityNotifier.java	Tue Nov 18 12:37:38 2014 -0500
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2012-2014 Red Hat, Inc.
+ *
+ * This file is part of Thermostat.
+ *
+ * Thermostat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your
+ * option) any later version.
+ *
+ * Thermostat 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Thermostat; see the file COPYING.  If not see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Linking this code with other modules is making a combined work
+ * based on this code.  Thus, the terms and conditions of the GNU
+ * General Public License cover the whole combination.
+ *
+ * As a special exception, the copyright holders of this code give
+ * you permission to link this code with independent modules to
+ * produce an executable, regardless of the license terms of these
+ * independent modules, and to copy and distribute the resulting
+ * executable under terms of your choice, provided that you also
+ * meet, for each linked independent module, the terms and conditions
+ * of the license of that module.  An independent module is a module
+ * which is not derived from or based on this code.  If you modify
+ * this code, you may extend this exception to your version of the
+ * library, but you are not obligated to do so.  If you do not wish
+ * to do so, delete this exception statement from your version.
+ */
+
+package com.redhat.thermostat.client.swing.experimental;
+
+import java.awt.Component;
+import java.awt.event.HierarchyListener;
+
+import javax.swing.JComponent;
+
+import com.redhat.thermostat.client.core.views.BasicView;
+import com.redhat.thermostat.client.core.views.BasicView.Action;
+import com.redhat.thermostat.client.swing.ComponentVisibleListener;
+import com.redhat.thermostat.common.ActionNotifier;
+
+/**
+ * Attach a listener to a swing Component that will automatically fire
+ * appropriate {@link Action} events.
+ */
+public class ComponentVisibilityNotifier {
+
+    private HierarchyListener listener;
+
+    public ComponentVisibilityNotifier() {
+        // nothing to do
+    }
+
+    public void initialize(final JComponent swingComponent, final ActionNotifier<BasicView.Action> notifier) {
+        if (listener != null) {
+            throw new IllegalStateException("Already initialized");
+        }
+
+        listener = new ComponentVisibleListener() {
+            @Override
+            public void componentShown(Component component) {
+                notifier.fireAction(Action.VISIBLE);
+            }
+            @Override
+            public void componentHidden(Component component) {
+                notifier.fireAction(Action.HIDDEN);
+            }
+        };
+        swingComponent.addHierarchyListener(listener);
+    }
+
+    public void dispose(final JComponent swingComponent) {
+        if (listener != null) {
+            swingComponent.removeHierarchyListener(listener);
+        }
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/client/swing/src/test/java/com/redhat/thermostat/client/swing/experimental/ComponentVisibilityNotifierTest.java	Tue Nov 18 12:37:38 2014 -0500
@@ -0,0 +1,113 @@
+/*
+ * Copyright 2012-2014 Red Hat, Inc.
+ *
+ * This file is part of Thermostat.
+ *
+ * Thermostat is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2, or (at your
+ * option) any later version.
+ *
+ * Thermostat 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Thermostat; see the file COPYING.  If not see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Linking this code with other modules is making a combined work
+ * based on this code.  Thus, the terms and conditions of the GNU
+ * General Public License cover the whole combination.
+ *
+ * As a special exception, the copyright holders of this code give
+ * you permission to link this code with independent modules to
+ * produce an executable, regardless of the license terms of these
+ * independent modules, and to copy and distribute the resulting
+ * executable under terms of your choice, provided that you also
+ * meet, for each linked independent module, the terms and conditions
+ * of the license of that module.  An independent module is a module
+ * which is not derived from or based on this code.  If you modify
+ * this code, you may extend this exception to your version of the
+ * library, but you are not obligated to do so.  If you do not wish
+ * to do so, delete this exception statement from your version.
+ */
+
+package com.redhat.thermostat.client.swing.experimental;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+
+import javax.swing.JFrame;
+
+import net.java.openjdk.cacio.ctc.junit.CacioFESTRunner;
+
+import org.fest.swing.annotation.GUITest;
+import org.fest.swing.edt.FailOnThreadViolationRepaintManager;
+import org.fest.swing.edt.GuiActionRunner;
+import org.fest.swing.edt.GuiTask;
+import org.fest.swing.fixture.FrameFixture;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.junit.runner.RunWith;
+
+import com.redhat.thermostat.client.core.views.BasicView;
+import com.redhat.thermostat.client.core.views.BasicView.Action;
+import com.redhat.thermostat.client.swing.experimental.ComponentVisibilityNotifier;
+import com.redhat.thermostat.common.ActionNotifier;
+
+@GUITest
+@Category(GUITest.class)
+@RunWith(CacioFESTRunner.class)
+public class ComponentVisibilityNotifierTest {
+
+    private JFrame window;
+    private FrameFixture frameFixture;
+
+    @BeforeClass
+    public static void setUpOnce() {
+        FailOnThreadViolationRepaintManager.install();
+    }
+
+    @Before
+    public void setUp() {
+        GuiActionRunner.execute(new GuiTask() {
+            @Override
+            protected void executeInEDT() throws Throwable {
+                window = new JFrame();
+                window.pack();
+            }
+        });
+
+        frameFixture = new FrameFixture(window);
+    }
+
+    @After
+    public void tearDown() {
+        frameFixture.cleanUp();
+        frameFixture = null;
+        window = null;
+    }
+
+    @Category(GUITest.class)
+    @Test
+    public void listenerInvoked() {
+        @SuppressWarnings("unchecked")
+        ActionNotifier<BasicView.Action> notifier = mock(ActionNotifier.class);
+
+        ComponentVisibilityNotifier visibilityNotifier = new ComponentVisibilityNotifier();
+        visibilityNotifier.initialize(window.getRootPane(), notifier);
+
+        frameFixture.show();
+
+        verify(notifier).fireAction(Action.VISIBLE);
+
+        frameFixture.close();
+
+        verify(notifier).fireAction(Action.HIDDEN);
+    }
+}
--- a/host-cpu/client-swing/src/main/java/com/redhat/thermostat/host/cpu/client/swing/internal/HostCpuPanel.java	Tue Nov 18 17:30:12 2014 +0100
+++ b/host-cpu/client-swing/src/main/java/com/redhat/thermostat/host/cpu/client/swing/internal/HostCpuPanel.java	Tue Nov 18 12:37:38 2014 -0500
@@ -60,12 +60,12 @@
 import org.jfree.data.time.TimeSeries;
 import org.jfree.data.time.TimeSeriesCollection;
 
-import com.redhat.thermostat.client.swing.ComponentVisibleListener;
 import com.redhat.thermostat.client.swing.SwingComponent;
 import com.redhat.thermostat.client.swing.components.LabelField;
 import com.redhat.thermostat.client.swing.components.RecentTimeSeriesChartPanel;
 import com.redhat.thermostat.client.swing.components.SectionHeader;
 import com.redhat.thermostat.client.swing.components.ValueField;
+import com.redhat.thermostat.client.swing.experimental.ComponentVisibilityNotifier;
 import com.redhat.thermostat.client.ui.ChartColors;
 import com.redhat.thermostat.client.ui.RecentTimeSeriesChartController;
 import com.redhat.thermostat.common.ActionListener;
@@ -98,16 +98,7 @@
         super();
         initializePanel();
 
-        visiblePanel.addHierarchyListener(new ComponentVisibleListener() {
-            @Override
-            public void componentShown(Component component) {
-                notifier.fireAction(Action.VISIBLE);
-            }
-            @Override
-            public void componentHidden(Component component) {
-                notifier.fireAction(Action.HIDDEN);
-            }
-        });
+        new ComponentVisibilityNotifier().initialize(visiblePanel, notifier);
     }
 
     @Override
--- a/host-memory/client-swing/src/main/java/com/redhat/thermostat/host/memory/client/swing/internal/HostMemoryPanel.java	Tue Nov 18 17:30:12 2014 +0100
+++ b/host-memory/client-swing/src/main/java/com/redhat/thermostat/host/memory/client/swing/internal/HostMemoryPanel.java	Tue Nov 18 12:37:38 2014 -0500
@@ -62,12 +62,12 @@
 import org.jfree.data.time.TimeSeries;
 import org.jfree.data.time.TimeSeriesCollection;
 
-import com.redhat.thermostat.client.swing.ComponentVisibleListener;
 import com.redhat.thermostat.client.swing.SwingComponent;
 import com.redhat.thermostat.client.swing.components.LabelField;
 import com.redhat.thermostat.client.swing.components.RecentTimeSeriesChartPanel;
 import com.redhat.thermostat.client.swing.components.SectionHeader;
 import com.redhat.thermostat.client.swing.components.ValueField;
+import com.redhat.thermostat.client.swing.experimental.ComponentVisibilityNotifier;
 import com.redhat.thermostat.client.ui.ChartColors;
 import com.redhat.thermostat.client.ui.RecentTimeSeriesChartController;
 import com.redhat.thermostat.common.ActionListener;
@@ -102,16 +102,7 @@
         super();
         initializePanel();
 
-        visiblePanel.addHierarchyListener(new ComponentVisibleListener() {
-            @Override
-            public void componentShown(Component component) {
-                notifier.fireAction(Action.VISIBLE);
-            }
-            @Override
-            public void componentHidden(Component component) {
-                notifier.fireAction(Action.HIDDEN);
-            }
-        });
+        new ComponentVisibilityNotifier().initialize(visiblePanel, notifier);
     }
 
     @Override
--- a/host-overview/client-swing/src/main/java/com/redhat/thermostat/host/overview/client/swing/internal/HostOverviewPanel.java	Tue Nov 18 17:30:12 2014 +0100
+++ b/host-overview/client-swing/src/main/java/com/redhat/thermostat/host/overview/client/swing/internal/HostOverviewPanel.java	Tue Nov 18 12:37:38 2014 -0500
@@ -51,19 +51,22 @@
 import javax.swing.table.TableCellRenderer;
 import javax.swing.table.TableColumnModel;
 
-import com.redhat.thermostat.client.swing.ComponentVisibleListener;
 import com.redhat.thermostat.client.swing.SwingComponent;
 import com.redhat.thermostat.client.swing.components.LabelField;
 import com.redhat.thermostat.client.swing.components.SectionHeader;
 import com.redhat.thermostat.client.swing.components.ValueField;
+import com.redhat.thermostat.client.swing.experimental.ComponentVisibilityNotifier;
 import com.redhat.thermostat.common.ActionListener;
 import com.redhat.thermostat.host.overview.client.core.HostOverviewView;
 import com.redhat.thermostat.host.overview.client.locale.LocaleResources;
 import com.redhat.thermostat.shared.locale.Translate;
 import com.redhat.thermostat.swing.components.experimental.dial.RadialControl;
+
 import javax.swing.border.TitledBorder;
 import javax.swing.border.LineBorder;
+
 import java.awt.Color;
+
 import javax.swing.JLabel;
 import javax.swing.SwingConstants;
 
@@ -100,17 +103,7 @@
         super();
         initializePanel();
 
-        visiblePanel.addHierarchyListener(new ComponentVisibleListener() {
-            @Override
-            public void componentShown(Component component) {
-                notifier.fireAction(Action.VISIBLE);
-            }
-
-            @Override
-            public void componentHidden(Component component) {
-                notifier.fireAction(Action.HIDDEN);
-            }
-        });
+        new ComponentVisibilityNotifier().initialize(visiblePanel, notifier);
     }
 
     @Override
--- a/numa/client-swing/src/main/java/com/redhat/thermostat/numa/client/swing/internal/NumaPanel.java	Tue Nov 18 17:30:12 2014 +0100
+++ b/numa/client-swing/src/main/java/com/redhat/thermostat/numa/client/swing/internal/NumaPanel.java	Tue Nov 18 12:37:38 2014 -0500
@@ -64,10 +64,10 @@
 import org.jfree.data.time.TimeSeries;
 import org.jfree.data.time.TimeSeriesCollection;
 
-import com.redhat.thermostat.client.swing.ComponentVisibleListener;
 import com.redhat.thermostat.client.swing.SwingComponent;
 import com.redhat.thermostat.client.swing.components.RecentTimeSeriesChartPanel;
 import com.redhat.thermostat.client.swing.components.SectionHeader;
+import com.redhat.thermostat.client.swing.experimental.ComponentVisibilityNotifier;
 import com.redhat.thermostat.client.ui.ChartColors;
 import com.redhat.thermostat.client.ui.RecentTimeSeriesChartController;
 import com.redhat.thermostat.common.ActionListener;
@@ -99,16 +99,7 @@
         super();
         initializePanel();
 
-        visiblePanel.addHierarchyListener(new ComponentVisibleListener() {
-            @Override
-            public void componentShown(Component component) {
-                notifier.fireAction(Action.VISIBLE);
-            }
-            @Override
-            public void componentHidden(Component component) {
-                notifier.fireAction(Action.HIDDEN);
-            }
-        });
+        new ComponentVisibilityNotifier().initialize(visiblePanel, notifier);
     }
 
     @Override
--- a/thread/client-swing/src/main/java/com/redhat/thermostat/thread/client/swing/impl/SwingThreadCountView.java	Tue Nov 18 17:30:12 2014 +0100
+++ b/thread/client-swing/src/main/java/com/redhat/thermostat/thread/client/swing/impl/SwingThreadCountView.java	Tue Nov 18 12:37:38 2014 -0500
@@ -41,9 +41,9 @@
 import javax.swing.JPanel;
 import javax.swing.SwingUtilities;
 
-import com.redhat.thermostat.client.swing.ComponentVisibleListener;
 import com.redhat.thermostat.client.swing.SwingComponent;
 import com.redhat.thermostat.client.swing.components.ChartPanel;
+import com.redhat.thermostat.client.swing.ComponentVisibleListener;
 import com.redhat.thermostat.thread.client.common.chart.LivingDaemonThreadDifferenceChart;
 import com.redhat.thermostat.thread.client.common.view.ThreadCountView;
 import javax.swing.SwingWorker;
--- a/thread/client-swing/src/main/java/com/redhat/thermostat/thread/client/swing/impl/SwingThreadTableView.java	Tue Nov 18 17:30:12 2014 +0100
+++ b/thread/client-swing/src/main/java/com/redhat/thermostat/thread/client/swing/impl/SwingThreadTableView.java	Tue Nov 18 12:37:38 2014 -0500
@@ -50,9 +50,9 @@
 import javax.swing.event.TableModelListener;
 import javax.swing.table.DefaultTableModel;
 
-import com.redhat.thermostat.client.swing.ComponentVisibleListener;
 import com.redhat.thermostat.client.swing.SwingComponent;
 import com.redhat.thermostat.client.swing.components.ThermostatTable;
+import com.redhat.thermostat.client.swing.experimental.ComponentVisibilityNotifier;
 import com.redhat.thermostat.shared.locale.Translate;
 import com.redhat.thermostat.thread.client.common.locale.LocaleResources;
 import com.redhat.thermostat.thread.client.common.view.ThreadTableView;
@@ -71,17 +71,7 @@
     
     public SwingThreadTableView() {
         tablePanel = new ThreadTable();
-        tablePanel.addHierarchyListener(new ComponentVisibleListener() {
-            @Override
-            public void componentShown(Component component) {
-                SwingThreadTableView.this.notify(Action.VISIBLE);
-            }
-            
-            @Override
-            public void componentHidden(Component component) {
-                SwingThreadTableView.this.notify(Action.HIDDEN);
-            }
-        });
+        new ComponentVisibilityNotifier().initialize(tablePanel, notifier);
         
         table = new ThermostatTable(new ThreadViewTableModel(new ArrayList<ThreadTableBean>()));
         table.setName("threadBeansTable");
--- a/thread/client-swing/src/main/java/com/redhat/thermostat/thread/client/swing/impl/SwingThreadTimelineView.java	Tue Nov 18 17:30:12 2014 +0100
+++ b/thread/client-swing/src/main/java/com/redhat/thermostat/thread/client/swing/impl/SwingThreadTimelineView.java	Tue Nov 18 12:37:38 2014 -0500
@@ -40,6 +40,7 @@
 import com.redhat.thermostat.client.swing.SwingComponent;
 import com.redhat.thermostat.client.swing.UIDefaults;
 import com.redhat.thermostat.client.swing.components.ThermostatScrollPane;
+import com.redhat.thermostat.client.swing.experimental.ComponentVisibilityNotifier;
 import com.redhat.thermostat.common.model.Range;
 import com.redhat.thermostat.thread.client.common.model.timeline.Timeline;
 import com.redhat.thermostat.thread.client.common.model.timeline.TimelineGroupDataModel;
@@ -53,6 +54,7 @@
 import com.redhat.thermostat.thread.client.swing.impl.timeline.scrollbar.SwingTimelineScrollBarController;
 import com.redhat.thermostat.thread.client.swing.impl.timeline.scrollbar.TimelineScrollBar;
 import com.redhat.thermostat.thread.model.ThreadHeader;
+
 import java.awt.BorderLayout;
 import java.awt.Component;
 import java.awt.event.ComponentAdapter;
@@ -60,6 +62,7 @@
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+
 import javax.swing.DefaultListModel;
 import javax.swing.JList;
 import javax.swing.JPanel;
@@ -93,18 +96,17 @@
         groupDataModel = new TimelineGroupThreadConverter(realGDM);
 
         contentPane = new JPanel();
+        new ComponentVisibilityNotifier().initialize(contentPane, notifier);
         contentPane.addHierarchyListener(new ComponentVisibleListener() {
             @Override
             public void componentShown(Component component) {
-                SwingThreadTimelineView.this.notify(Action.VISIBLE);
-
                 // TODO: this should be retrieved from state properties
                 requestFollowMode();
             }
             
             @Override
             public void componentHidden(Component component) {
-                SwingThreadTimelineView.this.notify(Action.HIDDEN);
+                // TODO should requestFollowMode be disabled?
             }
         });
 
--- a/thread/client-swing/src/main/java/com/redhat/thermostat/thread/client/swing/impl/SwingThreadView.java	Tue Nov 18 17:30:12 2014 +0100
+++ b/thread/client-swing/src/main/java/com/redhat/thermostat/thread/client/swing/impl/SwingThreadView.java	Tue Nov 18 12:37:38 2014 -0500
@@ -51,11 +51,13 @@
 import com.redhat.thermostat.thread.client.common.view.ThreadView;
 import com.redhat.thermostat.thread.client.common.view.VmDeadLockView;
 import com.redhat.thermostat.thread.client.swing.impl.timeline.SwingTimelineDimensionModel;
+
 import java.awt.Component;
 import java.awt.event.ItemEvent;
 import java.awt.event.ItemListener;
 import java.beans.PropertyChangeEvent;
 import java.beans.PropertyChangeListener;
+
 import javax.swing.JOptionPane;
 import javax.swing.JSplitPane;
 import javax.swing.JTabbedPane;
@@ -92,6 +94,8 @@
         this.dimensionModel = dimensionModel;
         
         panel = new ThreadMainPanel();
+        // TODO use ComponentVisiblityNotifier instead
+        // sadly, the BasicView.notifier field can not be accessed here
         panel.addHierarchyListener(new ComponentVisibleListener() {
             
             @Override
--- a/thread/client-swing/src/main/java/com/redhat/thermostat/thread/client/swing/impl/SwingVmDeadLockView.java	Tue Nov 18 17:30:12 2014 +0100
+++ b/thread/client-swing/src/main/java/com/redhat/thermostat/thread/client/swing/impl/SwingVmDeadLockView.java	Tue Nov 18 12:37:38 2014 -0500
@@ -48,8 +48,8 @@
 import javax.swing.JTextArea;
 import javax.swing.SwingUtilities;
 
-import com.redhat.thermostat.client.swing.ComponentVisibleListener;
 import com.redhat.thermostat.client.swing.SwingComponent;
+import com.redhat.thermostat.client.swing.experimental.ComponentVisibilityNotifier;
 import com.redhat.thermostat.shared.locale.Translate;
 import com.redhat.thermostat.thread.client.common.locale.LocaleResources;
 import com.redhat.thermostat.thread.client.common.view.VmDeadLockView;
@@ -86,17 +86,7 @@
         JScrollPane scrollPane = new JScrollPane(description);
         actualComponent.add(scrollPane, c);
 
-        actualComponent.addHierarchyListener(new ComponentVisibleListener() {
-            @Override
-            public void componentShown(Component component) {
-                notifier.fireAction(Action.VISIBLE);
-            }
-
-            @Override
-            public void componentHidden(Component component) {
-                notifier.fireAction(Action.VISIBLE);
-            }
-        });
+        new ComponentVisibilityNotifier().initialize(actualComponent, notifier);
     }
 
     @Override
--- a/vm-classstat/client-swing/src/main/java/com/redhat/thermostat/vm/classstat/client/swing/VmClassStatPanel.java	Tue Nov 18 17:30:12 2014 +0100
+++ b/vm-classstat/client-swing/src/main/java/com/redhat/thermostat/vm/classstat/client/swing/VmClassStatPanel.java	Tue Nov 18 12:37:38 2014 -0500
@@ -54,10 +54,10 @@
 import org.jfree.data.time.TimeSeries;
 import org.jfree.data.time.TimeSeriesCollection;
 
-import com.redhat.thermostat.client.swing.ComponentVisibleListener;
 import com.redhat.thermostat.client.swing.SwingComponent;
 import com.redhat.thermostat.client.swing.components.HeaderPanel;
 import com.redhat.thermostat.client.swing.components.RecentTimeSeriesChartPanel;
+import com.redhat.thermostat.client.swing.experimental.ComponentVisibilityNotifier;
 import com.redhat.thermostat.client.ui.RecentTimeSeriesChartController;
 import com.redhat.thermostat.common.ActionListener;
 import com.redhat.thermostat.common.ActionNotifier;
@@ -108,17 +108,7 @@
 
         visiblePanel.setContent(chartPanel);
 
-        visiblePanel.addHierarchyListener(new ComponentVisibleListener() {
-            @Override
-            public void componentShown(Component component) {
-                notifier.fireAction(Action.VISIBLE);
-            }
-
-            @Override
-            public void componentHidden(Component component) {
-                notifier.fireAction(Action.HIDDEN);
-            }
-        });
+        new ComponentVisibilityNotifier().initialize(visiblePanel, notifier);
     }
 
     @Override
--- a/vm-cpu/client-swing/src/main/java/com/redhat/thermostat/vm/cpu/client/swing/internal/VmCpuPanel.java	Tue Nov 18 17:30:12 2014 +0100
+++ b/vm-cpu/client-swing/src/main/java/com/redhat/thermostat/vm/cpu/client/swing/internal/VmCpuPanel.java	Tue Nov 18 12:37:38 2014 -0500
@@ -52,9 +52,9 @@
 import org.jfree.data.time.TimeSeries;
 import org.jfree.data.time.TimeSeriesCollection;
 
-import com.redhat.thermostat.client.swing.ComponentVisibleListener;
 import com.redhat.thermostat.client.swing.SwingComponent;
 import com.redhat.thermostat.client.swing.components.HeaderPanel;
+import com.redhat.thermostat.client.swing.experimental.ComponentVisibilityNotifier;
 import com.redhat.thermostat.common.ActionListener;
 import com.redhat.thermostat.common.ActionNotifier;
 import com.redhat.thermostat.common.model.Range;
@@ -89,17 +89,7 @@
 
         initializePanel();
 
-        visiblePanel.addHierarchyListener(new ComponentVisibleListener() {
-            @Override
-            public void componentShown(Component component) {
-                notifier.fireAction(Action.VISIBLE);
-            }
-
-            @Override
-            public void componentHidden(Component component) {
-                notifier.fireAction(Action.HIDDEN);
-            }
-        });
+        new ComponentVisibilityNotifier().initialize(visiblePanel, notifier);
     }
 
     @Override
--- a/vm-gc/client-swing/src/main/java/com/redhat/thermostat/vm/gc/client/swing/internal/VmGcPanel.java	Tue Nov 18 17:30:12 2014 +0100
+++ b/vm-gc/client-swing/src/main/java/com/redhat/thermostat/vm/gc/client/swing/internal/VmGcPanel.java	Tue Nov 18 12:37:38 2014 -0500
@@ -62,11 +62,11 @@
 import org.jfree.data.RangeType;
 import org.jfree.data.xy.IntervalXYDataset;
 
-import com.redhat.thermostat.client.swing.ComponentVisibleListener;
 import com.redhat.thermostat.client.swing.SwingComponent;
 import com.redhat.thermostat.client.swing.components.HeaderPanel;
 import com.redhat.thermostat.client.swing.components.RecentTimeSeriesChartPanel;
 import com.redhat.thermostat.client.swing.components.SectionHeader;
+import com.redhat.thermostat.client.swing.experimental.ComponentVisibilityNotifier;
 import com.redhat.thermostat.client.ui.RecentTimeSeriesChartController;
 import com.redhat.thermostat.client.ui.SampledDataset;
 import com.redhat.thermostat.common.ActionListener;
@@ -99,17 +99,7 @@
         gcPanelConstraints.weightx = 1;
         gcPanelConstraints.weighty = 1;
 
-        visiblePanel.addHierarchyListener(new ComponentVisibleListener() {
-            @Override
-            public void componentShown(Component component) {
-                notifier.fireAction(Action.VISIBLE);
-            }
-
-            @Override
-            public void componentHidden(Component component) {
-                notifier.fireAction(Action.HIDDEN);
-            }
-        });
+        new ComponentVisibilityNotifier().initialize(visiblePanel, notifier);
     }
 
     @Override
--- a/vm-heap-analysis/client-swing/src/main/java/com/redhat/thermostat/vm/heap/analysis/client/swing/internal/HeapSwingView.java	Tue Nov 18 17:30:12 2014 +0100
+++ b/vm-heap-analysis/client-swing/src/main/java/com/redhat/thermostat/vm/heap/analysis/client/swing/internal/HeapSwingView.java	Tue Nov 18 12:37:38 2014 -0500
@@ -55,7 +55,6 @@
 import javax.swing.SwingUtilities;
 
 import com.redhat.thermostat.client.core.views.BasicView;
-import com.redhat.thermostat.client.swing.ComponentVisibleListener;
 import com.redhat.thermostat.client.swing.IconResource;
 import com.redhat.thermostat.client.swing.SwingComponent;
 import com.redhat.thermostat.client.swing.components.ActionButton;
@@ -63,6 +62,7 @@
 import com.redhat.thermostat.client.swing.components.HeaderPanel;
 import com.redhat.thermostat.client.swing.components.Icon;
 import com.redhat.thermostat.client.swing.components.OverlayPanel;
+import com.redhat.thermostat.client.swing.experimental.ComponentVisibilityNotifier;
 import com.redhat.thermostat.shared.locale.LocalizedString;
 import com.redhat.thermostat.shared.locale.Translate;
 import com.redhat.thermostat.vm.heap.analysis.client.core.HeapDumpListView;
@@ -143,7 +143,7 @@
         overlay.setAlignmentY(1.f);
 
         overview.setContent(stack);
-        overview.addHierarchyListener(new ViewVisibleListener());
+        new ComponentVisibilityNotifier().initialize(overview, notifier);
 
         Icon takeDumpIcon = new Icon(HeapIconResources.getIcon(HeapIconResources.TRIGGER_HEAP_DUMP));
         takeDumpIconButton = new ActionButton(takeDumpIcon, translator.localize(LocaleResources.TRIGGER_HEAP_DUMP));
@@ -191,18 +191,6 @@
         fileChooser = new JFileChooser();
         fileChooser.setName("EXPORT_HEAP_DUMP_FILE_CHOOSER");
     }
-    
-    private class ViewVisibleListener extends ComponentVisibleListener {
-        @Override
-        public void componentShown(Component component) {
-            HeapSwingView.this.notify(Action.VISIBLE);
-        }
-
-        @Override
-        public void componentHidden(Component component) {
-            HeapSwingView.this.notify(Action.HIDDEN);
-        }
-    }
 
     @Override
     public void setModel(final OverviewChart model) {
--- a/vm-jmx/client-swing/src/main/java/com/redhat/thermostat/vm/jmx/client/swing/internal/JmxNotificationsSwingView.java	Tue Nov 18 17:30:12 2014 +0100
+++ b/vm-jmx/client-swing/src/main/java/com/redhat/thermostat/vm/jmx/client/swing/internal/JmxNotificationsSwingView.java	Tue Nov 18 12:37:38 2014 -0500
@@ -64,7 +64,6 @@
 import javax.swing.event.ChangeEvent;
 import javax.swing.event.ChangeListener;
 
-import com.redhat.thermostat.client.swing.ComponentVisibleListener;
 import com.redhat.thermostat.client.swing.IconResource;
 import com.redhat.thermostat.client.swing.SwingComponent;
 import com.redhat.thermostat.client.swing.components.ActionToggleButton;
@@ -73,6 +72,7 @@
 import com.redhat.thermostat.client.swing.components.experimental.EventTimeline;
 import com.redhat.thermostat.client.swing.components.experimental.EventTimelineRangeChangeListener;
 import com.redhat.thermostat.client.swing.components.experimental.Timeline;
+import com.redhat.thermostat.client.swing.experimental.ComponentVisibilityNotifier;
 import com.redhat.thermostat.client.ui.Palette;
 import com.redhat.thermostat.common.ActionEvent;
 import com.redhat.thermostat.common.ActionListener;
@@ -153,17 +153,7 @@
 
         contents.add(timeline, c);
 
-        contents.addHierarchyListener(new ComponentVisibleListener() {
-            @Override
-            public void componentShown(Component component) {
-                notifier.fireAction(Action.VISIBLE);
-            }
-
-            @Override
-            public void componentHidden(Component component) {
-                notifier.fireAction(Action.HIDDEN);
-            }
-        });
+        new ComponentVisibilityNotifier().initialize(contents, notifier);
 
         toolbarButton = new ActionToggleButton(IconResource.SAMPLE.getIcon(), translate.localize(LocaleResources.NOTIFICATIONS_ENABLE));
         toolbarButton.setName("toggleNotifications");
--- a/vm-memory/client-swing/src/main/java/com/redhat/thermostat/vm/memory/client/swing/internal/MemoryStatsViewImpl.java	Tue Nov 18 17:30:12 2014 +0100
+++ b/vm-memory/client-swing/src/main/java/com/redhat/thermostat/vm/memory/client/swing/internal/MemoryStatsViewImpl.java	Tue Nov 18 12:37:38 2014 -0500
@@ -62,9 +62,9 @@
 import javax.swing.text.Document;
 
 import com.redhat.thermostat.client.core.views.BasicView;
-import com.redhat.thermostat.client.swing.ComponentVisibleListener;
 import com.redhat.thermostat.client.swing.SwingComponent;
 import com.redhat.thermostat.client.swing.components.HeaderPanel;
+import com.redhat.thermostat.client.swing.experimental.ComponentVisibilityNotifier;
 import com.redhat.thermostat.common.ActionListener;
 import com.redhat.thermostat.common.ActionNotifier;
 import com.redhat.thermostat.gc.remote.client.common.RequestGCAction;
@@ -111,17 +111,7 @@
         
         visiblePanel.setHeader(t.localize(LocaleResources.MEMORY_REGIONS_HEADER));
 
-        visiblePanel.addHierarchyListener(new ComponentVisibleListener() {
-            @Override
-            public void componentShown(Component component) {
-                notifier.fireAction(Action.VISIBLE);
-            }
-
-            @Override
-            public void componentHidden(Component component) {
-                notifier.fireAction(Action.HIDDEN);
-            }
-        });
+        new ComponentVisibilityNotifier().initialize(visiblePanel, notifier);
 
         graphPanel = new JPanel();
         graphPanel.setLayout(new BoxLayout(graphPanel, BoxLayout.Y_AXIS));
--- a/vm-overview/client-swing/src/main/java/com/redhat/thermostat/vm/overview/client/swing/internal/VmOverviewPanel.java	Tue Nov 18 17:30:12 2014 +0100
+++ b/vm-overview/client-swing/src/main/java/com/redhat/thermostat/vm/overview/client/swing/internal/VmOverviewPanel.java	Tue Nov 18 12:37:38 2014 -0500
@@ -46,12 +46,12 @@
 import javax.swing.GroupLayout.Alignment;
 import javax.swing.LayoutStyle.ComponentPlacement;
 
-import com.redhat.thermostat.client.swing.ComponentVisibleListener;
 import com.redhat.thermostat.client.swing.SwingComponent;
 import com.redhat.thermostat.client.swing.components.HeaderPanel;
 import com.redhat.thermostat.client.swing.components.LabelField;
 import com.redhat.thermostat.client.swing.components.SectionHeader;
 import com.redhat.thermostat.client.swing.components.ValueField;
+import com.redhat.thermostat.client.swing.experimental.ComponentVisibilityNotifier;
 import com.redhat.thermostat.common.ActionListener;
 import com.redhat.thermostat.shared.locale.Translate;
 import com.redhat.thermostat.vm.overview.client.core.VmOverviewView;
@@ -78,17 +78,8 @@
     public VmOverviewPanel() {
         super();
         initializePanel();
-        visiblePanel.addHierarchyListener(new ComponentVisibleListener() {
-            @Override
-            public void componentShown(Component component) {
-                notifier.fireAction(Action.VISIBLE);
-            }
 
-            @Override
-            public void componentHidden(Component component) {
-                notifier.fireAction(Action.HIDDEN);
-            }
-        });
+        new ComponentVisibilityNotifier().initialize(visiblePanel, notifier);
     }
 
     @Override