/*
* Copyright 2000-2012 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.vcs.changes;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Computable;
import com.intellij.openapi.vcs.AbstractVcs;
import com.intellij.openapi.vcs.FilePath;
import com.intellij.openapi.vcs.ProjectLevelVcsManager;
import com.intellij.openapi.vcs.impl.ProjectLevelVcsManagerImpl;
import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public class VcsGuess {
@NotNull private final Project myProject;
@NotNull private final ProjectLevelVcsManagerImpl myVcsManager;
public VcsGuess(@NotNull Project project) {
myProject = project;
myVcsManager = (ProjectLevelVcsManagerImpl)ProjectLevelVcsManager.getInstance(myProject);
}
@Nullable
public AbstractVcs getVcsForDirty(@NotNull VirtualFile file) {
if (file.isInLocalFileSystem() && isFileInIndex(null, file)) {
return myVcsManager.getVcsFor(file);
}
return null;
}
@Nullable
public AbstractVcs getVcsForDirty(@NotNull FilePath filePath) {
if (filePath.isNonLocal()) {
return null;
}
VirtualFile validParent = ChangesUtil.findValidParentAccurately(filePath);
if (validParent != null && isFileInIndex(filePath, validParent)) {
return myVcsManager.getVcsFor(validParent);
}
return null;
}
private boolean isFileInIndex(@Nullable final FilePath filePath, @NotNull final VirtualFile validParent) {
return ApplicationManager.getApplication().runReadAction(new Computable<Boolean>() {
public Boolean compute() {
if (myProject.isDisposed()) return false;
boolean inContent = myVcsManager.isFileInContent(validParent);
if (inContent) return true;
if (filePath != null) {
return isFileInBaseDir(filePath, myProject.getBaseDir()) && !myVcsManager.isIgnored(validParent);
}
return false;
}
});
}
private static boolean isFileInBaseDir(@NotNull FilePath filePath, @Nullable VirtualFile baseDir) {
VirtualFile parent = filePath.getVirtualFileParent();
return !filePath.isDirectory() && parent != null && parent.equals(baseDir);
}
}