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package org.jetbrains.notification;
import com.intellij.notification.*;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.wm.ToolWindowManager;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.concurrent.atomic.AtomicReference;
public final class SingletonNotificationManager {
private final AtomicReference<Notification> notification = new AtomicReference<Notification>();
private final NotificationGroup group;
private final NotificationType type;
@Nullable
private final NotificationListener listener;
private Runnable expiredListener;
public SingletonNotificationManager(@NotNull String groupId, @NotNull NotificationType type, @Nullable NotificationListener listener) {
this(new NotificationGroup(groupId, NotificationDisplayType.STICKY_BALLOON, true), type, listener);
}
public SingletonNotificationManager(@NotNull NotificationGroup group, @NotNull NotificationType type, @Nullable NotificationListener listener) {
this.group = group;
this.type = type;
this.listener = listener;
}
public boolean notify(@NotNull String title, @NotNull String content) {
return notify(title, content, null);
}
public boolean notify(@NotNull String title, @NotNull String content, @Nullable Project project) {
return notify(title, content, listener, project);
}
public boolean notify(@NotNull String content, @Nullable Project project) {
return notify("", content, listener, project);
}
public boolean notify(@NotNull String title,
@NotNull String content,
@Nullable NotificationListener listener,
@Nullable Project project) {
Notification oldNotification = notification.get();
// !oldNotification.isExpired() is not enough - notification could be closed, but not expired
if (oldNotification != null) {
if (!oldNotification.isExpired() && (oldNotification.getBalloon() != null ||
(project != null &&
group.getDisplayType() == NotificationDisplayType.TOOL_WINDOW &&
ToolWindowManager.getInstance(project).getToolWindowBalloon(group.getToolWindowId()) != null))) {
return false;
}
oldNotification.whenExpired(null);
oldNotification.expire();
}
if (expiredListener == null) {
expiredListener = new Runnable() {
@Override
public void run() {
Notification currentNotification = notification.get();
if (currentNotification != null && currentNotification.isExpired()) {
notification.compareAndSet(currentNotification, null);
}
}
};
}
Notification newNotification = group.createNotification(title, content, type, listener);
newNotification.whenExpired(expiredListener);
notification.set(newNotification);
newNotification.notify(project);
return true;
}
public void clear() {
Notification oldNotification = notification.getAndSet(null);
if (oldNotification != null) {
oldNotification.whenExpired(null);
oldNotification.expire();
}
}
}
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