| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.netbeans.core.windows; |
| |
| import java.awt.Window; |
| import java.beans.PropertyChangeEvent; |
| import java.beans.PropertyChangeListener; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import javax.swing.SwingUtilities; |
| import org.netbeans.core.windows.nativeaccess.NativeWindowSystem; |
| import org.netbeans.core.windows.options.WinSysPrefs; |
| import org.openide.util.RequestProcessor; |
| import org.openide.windows.TopComponent; |
| |
| /** |
| * Tracks activated TopComponents and makes floating windows semi-transparent |
| * when they're not activated. |
| * |
| * @author S. Aubrecht |
| */ |
| public class FloatingWindowTransparencyManager { |
| |
| private static FloatingWindowTransparencyManager theInstance; |
| private static final RequestProcessor RP = new RequestProcessor("FloatingWindowTransparencyManager"); //NOI18N |
| |
| private PropertyChangeListener topComponentRegistryListener; |
| |
| private final AtomicBoolean initialized = new AtomicBoolean(false); |
| private final Object LOCK = new Object(); |
| |
| private FloatingWindowTransparencyManager() { |
| |
| } |
| |
| public static synchronized FloatingWindowTransparencyManager getDefault() { |
| if( null == theInstance ) { |
| theInstance = new FloatingWindowTransparencyManager(); |
| } |
| return theInstance; |
| } |
| |
| public void start() { |
| new Thread( new Runnable() { |
| @Override |
| public void run() { |
| synchronized( LOCK ) { |
| initialized.set(true); |
| if( !NativeWindowSystem.getDefault().isWindowAlphaSupported() ) |
| return; |
| if( null == topComponentRegistryListener ) { |
| topComponentRegistryListener = new PropertyChangeListener() { |
| @Override |
| public void propertyChange(PropertyChangeEvent evt) { |
| SwingUtilities.invokeLater( new Runnable() { |
| @Override |
| public void run() { |
| toggleFloatingWindowTransparency(); |
| } |
| }); |
| } |
| }; |
| TopComponent.getRegistry().addPropertyChangeListener(topComponentRegistryListener); |
| } |
| } |
| } |
| } ).start(); |
| } |
| |
| public void stop() { |
| synchronized( LOCK ) { |
| if( null != topComponentRegistryListener ) { |
| TopComponent.getRegistry().removePropertyChangeListener(topComponentRegistryListener); |
| topComponentRegistryListener = null; |
| } |
| } |
| } |
| |
| public void update() { |
| toggleFloatingWindowTransparency(); |
| } |
| |
| protected void toggleFloatingWindowTransparency() { |
| if( !initialized.get() ) |
| return; |
| |
| if( !NativeWindowSystem.getDefault().isWindowAlphaSupported() ) |
| return; |
| |
| if( WinSysPrefs.HANDLER.getBoolean( WinSysPrefs.TRANSPARENCY_FLOATING, false) ) { |
| TopComponent currentActive = TopComponent.getRegistry().getActivated(); |
| if( null != currentActive ) { |
| final WindowManagerImpl wm = WindowManagerImpl.getInstance(); |
| //turn off transparency for active floating window |
| ModeImpl currentActiveMode = (ModeImpl)wm.findMode( currentActive ); |
| if( null != currentActiveMode |
| && currentActiveMode.getState() == Constants.MODE_STATE_SEPARATED |
| && currentActiveMode.getKind() != Constants.MODE_KIND_EDITOR) { |
| |
| Window w = SwingUtilities.windowForComponent(currentActive); |
| if( null != w ) { |
| NativeWindowSystem.getDefault().setWindowAlpha( w, 1.0f ); |
| } |
| } |
| |
| Runnable runnable = new Runnable() { |
| @Override |
| public void run() { |
| if( !SwingUtilities.isEventDispatchThread() ) { |
| SwingUtilities.invokeLater( this ); |
| return; |
| } |
| TopComponent activeTc = TopComponent.getRegistry().getActivated(); |
| if( null == activeTc ) |
| return; |
| |
| ModeImpl activeMode = (ModeImpl)wm.findMode( activeTc ); |
| makeFloatingWindowsTransparent( activeMode ); |
| } |
| }; |
| RP.post(runnable, WinSysPrefs.HANDLER.getInt(WinSysPrefs.TRANSPARENCY_FLOATING_TIMEOUT, 1000)); |
| } |
| } else { |
| //floating window transparency is disabled, so turn it off for all floating windows |
| turnTransparencyOff(); |
| } |
| } |
| |
| private void turnTransparencyOff() { |
| NativeWindowSystem nws = NativeWindowSystem.getDefault(); |
| for( ModeImpl m : WindowManagerImpl.getInstance().getModes() ) { |
| if( m.getState() != Constants.MODE_STATE_SEPARATED |
| || m.getKind() == Constants.MODE_KIND_EDITOR ) |
| continue; |
| TopComponent tc = m.getSelectedTopComponent(); |
| if( null != tc ) { |
| Window w = SwingUtilities.windowForComponent(tc); |
| if( null != w ) { |
| nws.setWindowAlpha( w, 1.0f ); |
| } |
| } |
| } |
| } |
| |
| private void makeFloatingWindowsTransparent( ModeImpl activeMode ) { |
| float alpha = WinSysPrefs.HANDLER.getFloat(WinSysPrefs.TRANSPARENCY_FLOATING_ALPHA, 0.5f); |
| NativeWindowSystem nws = NativeWindowSystem.getDefault(); |
| for( ModeImpl m : WindowManagerImpl.getInstance().getModes() ) { |
| if( m.getState() != Constants.MODE_STATE_SEPARATED |
| || m.equals( activeMode ) |
| || m.getKind() == Constants.MODE_KIND_EDITOR ) |
| continue; |
| TopComponent tc = m.getSelectedTopComponent(); |
| if( null != tc ) { |
| Window w = SwingUtilities.windowForComponent(tc); |
| if( null != w ) { |
| nws.setWindowAlpha( w, alpha ); |
| } |
| } |
| } |
| |
| } |
| } |