| /* |
| * 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.application.ApplicationManager; |
| import com.intellij.openapi.diagnostic.LogUtil; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.fileEditor.FileEditor; |
| import com.intellij.openapi.fileEditor.FileEditorManager; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.Key; |
| import com.intellij.openapi.util.io.FileAttributes; |
| import com.intellij.openapi.vfs.LocalFileSystem; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.openapi.vfs.VirtualFileManager; |
| import com.intellij.openapi.vfs.VirtualFileSystem; |
| import com.intellij.openapi.vfs.newvfs.BulkFileListener; |
| import com.intellij.openapi.vfs.newvfs.RefreshQueue; |
| import com.intellij.openapi.vfs.newvfs.events.VFileEvent; |
| import com.intellij.ui.EditorNotificationPanel; |
| import com.intellij.ui.EditorNotifications; |
| import com.intellij.util.containers.ContainerUtil; |
| import com.intellij.util.messages.MessageBusConnection; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.List; |
| import java.util.Set; |
| |
| public class FileChangedNotificationProvider extends EditorNotifications.Provider<EditorNotificationPanel> { |
| private static final Logger LOG = Logger.getInstance(FileChangedNotificationProvider.class); |
| private static final Key<EditorNotificationPanel> KEY = Key.create("file.changed.notification.panel"); |
| |
| private final Project myProject; |
| |
| public FileChangedNotificationProvider(@NotNull Project project, @NotNull FrameStateManager frameStateManager) { |
| myProject = project; |
| |
| frameStateManager.addListener(new FrameStateListener.Adapter() { |
| @Override |
| public void onFrameActivated() { |
| if (!myProject.isDisposed() && !GeneralSettings.getInstance().isSyncOnFrameActivation()) { |
| EditorNotifications notifications = EditorNotifications.getInstance(myProject); |
| for (VirtualFile file : FileEditorManager.getInstance(myProject).getSelectedFiles()) { |
| notifications.updateNotifications(file); |
| } |
| } |
| } |
| }, project); |
| |
| MessageBusConnection connection = ApplicationManager.getApplication().getMessageBus().connect(myProject); |
| connection.subscribe(VirtualFileManager.VFS_CHANGES, new BulkFileListener.Adapter() { |
| @Override |
| public void after(@NotNull List<? extends VFileEvent> events) { |
| if (!myProject.isDisposed() && !GeneralSettings.getInstance().isSyncOnFrameActivation()) { |
| Set<VirtualFile> openFiles = ContainerUtil.newHashSet(FileEditorManager.getInstance(myProject).getSelectedFiles()); |
| EditorNotifications notifications = EditorNotifications.getInstance(myProject); |
| for (VFileEvent event : events) { |
| VirtualFile file = event.getFile(); |
| if (openFiles.contains(file)) { |
| notifications.updateNotifications(file); |
| } |
| } |
| } |
| } |
| }); |
| } |
| |
| @NotNull |
| @Override |
| public Key<EditorNotificationPanel> getKey() { |
| return KEY; |
| } |
| |
| @Nullable |
| @Override |
| public EditorNotificationPanel createNotificationPanel(@NotNull VirtualFile file, @NotNull FileEditor fileEditor) { |
| if (!myProject.isDisposed() && !GeneralSettings.getInstance().isSyncOnFrameActivation()) { |
| VirtualFileSystem fs = file.getFileSystem(); |
| if (fs instanceof LocalFileSystem) { |
| FileAttributes attributes = ((LocalFileSystem)fs).getAttributes(file); |
| if (attributes == null || file.getTimeStamp() != attributes.lastModified || file.getLength() != attributes.length) { |
| LogUtil.debug(LOG, "%s: (%s,%s) -> %s", file, file.getTimeStamp(), file.getLength(), attributes); |
| return createPanel(file); |
| } |
| } |
| } |
| |
| return null; |
| } |
| |
| private EditorNotificationPanel createPanel(@NotNull final VirtualFile file) { |
| EditorNotificationPanel panel = new EditorNotificationPanel(); |
| panel.setText(IdeBundle.message("file.changed.externally.message")); |
| panel.createActionLabel(IdeBundle.message("file.changed.externally.reload"), new Runnable() { |
| @Override |
| public void run() { |
| if (!myProject.isDisposed()) { |
| RefreshQueue.getInstance().refresh(false, false, null, file); |
| EditorNotifications.getInstance(myProject).updateNotifications(file); |
| } |
| } |
| }); |
| return panel; |
| } |
| } |