| /* |
| * Copyright 2016 The Bazel Authors. All rights reserved. |
| * |
| * 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.google.idea.blaze.base.prefetch; |
| |
| import com.google.idea.blaze.base.settings.Blaze; |
| import com.intellij.ProjectTopics; |
| import com.intellij.openapi.components.ProjectComponent; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.roots.ModuleRootAdapter; |
| import com.intellij.openapi.roots.ModuleRootEvent; |
| import com.intellij.util.messages.MessageBusConnection; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * Instructs prefetchers to prefetch all project files when they may have changed / be stale. |
| */ |
| public class PrefetchServiceProjectComponent implements ProjectComponent { |
| private final Project project; |
| |
| public PrefetchServiceProjectComponent(Project project) { |
| this.project = project; |
| MessageBusConnection connection = project.getMessageBus().connect(project); |
| connection.subscribe(ProjectTopics.PROJECT_ROOTS, new ModuleRootAdapter() { |
| @Override |
| public void rootsChanged(ModuleRootEvent event) { |
| prefetch(); |
| } |
| }); |
| } |
| |
| @Override |
| public void projectOpened() { |
| prefetch(); |
| } |
| |
| private void prefetch() { |
| if (!Blaze.isBlazeProject(project)) { |
| return; |
| } |
| PrefetchService.getInstance().prefetchProjectFiles(project); |
| } |
| |
| @Override |
| public void projectClosed() { |
| } |
| |
| @Override |
| public void initComponent() { |
| } |
| |
| @Override |
| public void disposeComponent() { |
| } |
| |
| @NotNull |
| @Override |
| public String getComponentName() { |
| return "PrefetchServiceProjectComponent"; |
| } |
| } |