/*
 * 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.openapi.actionSystem.impl;

import com.intellij.codeInsight.editorActions.TypedHandlerDelegate;
import com.intellij.ide.SearchTopHitProvider;
import com.intellij.ide.ui.ConfigurableOptionsTopHitProvider;
import com.intellij.openapi.actionSystem.ActionManager;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.application.PreloadingActivity;
import com.intellij.openapi.progress.ProgressIndicator;
import org.jetbrains.annotations.NotNull;

/**
 * @author yole
 */
public class ActionPreloader extends PreloadingActivity {
  @Override
  public void preload(@NotNull ProgressIndicator indicator) {
    if (!ApplicationManager.getApplication().isUnitTestMode() && !ApplicationManager.getApplication().isHeadlessEnvironment()) {
      ((ActionManagerImpl)ActionManager.getInstance()).preloadActions(indicator);
    }

    TypedHandlerDelegate.EP_NAME.getExtensions();

    preloadTopHits(indicator);
  }

  private static void preloadTopHits(@NotNull ProgressIndicator indicator) {
    for (SearchTopHitProvider provider : SearchTopHitProvider.EP_NAME.getExtensions()) {
      indicator.checkCanceled();
      if (provider instanceof ConfigurableOptionsTopHitProvider) {
        ((ConfigurableOptionsTopHitProvider)provider).getOptions(null);
      }
    }
  }
}
