MessageViewImpl.java

/*
 * Copyright 2000-2009 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.ui.content.impl;

import com.intellij.icons.AllIcons;
import com.intellij.ide.impl.ContentManagerWatcher;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.startup.StartupManager;
import com.intellij.openapi.wm.ToolWindow;
import com.intellij.openapi.wm.ToolWindowAnchor;
import com.intellij.openapi.wm.ToolWindowId;
import com.intellij.openapi.wm.ToolWindowManager;
import com.intellij.ui.content.ContentManager;
import com.intellij.ui.content.MessageView;

import java.util.ArrayList;
import java.util.List;

/**
 * @author Eugene Belyaev
 */
public class MessageViewImpl implements MessageView {
  private ToolWindow myToolWindow;
  private final List<Runnable> myPostponedRunnables = new ArrayList<>();

  public MessageViewImpl(final Project project, final StartupManager startupManager, final ToolWindowManager toolWindowManager) {
    final Runnable runnable = () -> {
      myToolWindow = toolWindowManager.registerToolWindow(ToolWindowId.MESSAGES_WINDOW, true, ToolWindowAnchor.BOTTOM, project, true);
      myToolWindow.setIcon(AllIcons.Toolwindows.ToolWindowMessages);
      new ContentManagerWatcher(myToolWindow, getContentManager());
      for (Runnable postponedRunnable : myPostponedRunnables) {
        postponedRunnable.run();
      }
      myPostponedRunnables.clear();
    };
    if (project.isInitialized()) {
      runnable.run();
    }
    else {
      startupManager.registerPostStartupActivity(() -> runnable.run());
    }

  }

  public ContentManager getContentManager() {
    return myToolWindow.getContentManager();
  }

  public void runWhenInitialized(final Runnable runnable) {
    if (myToolWindow != null) {
      runnable.run();
    }
    else {
      myPostponedRunnables.add(runnable);
    }
  }
}