| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * Licensed 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 com.intellij.ide; |
| |
| import com.intellij.openapi.Disposable; |
| import com.intellij.openapi.application.ApplicationActivationListener; |
| import com.intellij.openapi.application.impl.ApplicationImpl; |
| import com.intellij.openapi.util.ActionCallback; |
| import com.intellij.openapi.util.BusyObject; |
| import com.intellij.openapi.util.Disposer; |
| import com.intellij.openapi.wm.IdeFrame; |
| import com.intellij.util.Alarm; |
| import com.intellij.util.containers.ContainerUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.List; |
| |
| public class FrameStateManagerImpl extends FrameStateManager { |
| private final List<FrameStateListener> myListeners = ContainerUtil.createLockFreeCopyOnWriteList(); |
| |
| private boolean myShouldSynchronize; |
| private final Alarm mySyncAlarm; |
| |
| private final BusyObject.Impl myActive; |
| private final ApplicationImpl myApp; |
| |
| public FrameStateManagerImpl(final ApplicationImpl app) { |
| myApp = app; |
| myActive = new BusyObject.Impl() { |
| @Override |
| public boolean isReady() { |
| return myApp.isActive(); |
| } |
| }; |
| |
| myShouldSynchronize = false; |
| mySyncAlarm = new Alarm(); |
| |
| app.getMessageBus().connect().subscribe(ApplicationActivationListener.TOPIC, new ApplicationActivationListener() { |
| @Override |
| public void applicationActivated(IdeFrame ideFrame) { |
| myActive.onReady(); |
| mySyncAlarm.cancelAllRequests(); |
| if (myShouldSynchronize) { |
| myShouldSynchronize = false; |
| fireActivationEvent(); |
| } |
| } |
| |
| @Override |
| public void applicationDeactivated(IdeFrame ideFrame) { |
| mySyncAlarm.cancelAllRequests(); |
| mySyncAlarm.addRequest(new Runnable() { |
| @Override |
| public void run() { |
| if (!app.isActive() && !app.isDisposed()) { |
| myShouldSynchronize = true; |
| fireDeactivationEvent(); |
| } |
| } |
| }, 200); |
| } |
| }); |
| } |
| |
| @Override |
| public ActionCallback getApplicationActive() { |
| return myActive.getReady(this); |
| } |
| |
| private void fireDeactivationEvent() { |
| for (FrameStateListener listener : myListeners) { |
| listener.onFrameDeactivated(); |
| } |
| } |
| |
| private void fireActivationEvent() { |
| for (FrameStateListener listener : myListeners) { |
| listener.onFrameActivated(); |
| } |
| } |
| |
| @Override |
| public void addListener(@NotNull FrameStateListener listener) { |
| addListener(listener, null); |
| } |
| |
| @Override |
| public void addListener(@NotNull final FrameStateListener listener, @Nullable Disposable disposable) { |
| myListeners.add(listener); |
| if (disposable != null) { |
| Disposer.register(disposable, new Disposable() { |
| @Override |
| public void dispose() { |
| removeListener(listener); |
| } |
| }); |
| } |
| } |
| |
| @Override |
| public void removeListener(@NotNull FrameStateListener listener) { |
| myListeners.remove(listener); |
| } |
| } |