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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { window, workspace, Uri, Disposable, Event, EventEmitter, FileDecoration, FileDecorationProvider, ThemeColor } from 'vscode';
import * as path from 'path';
import { Repository, GitResourceGroup } from './repository';
import { Model } from './model';
import { debounce } from './decorators';
import { filterEvent, dispose, anyEvent, fireEvent, PromiseSource } from './util';
import { GitErrorCodes, Status } from './api/git';
class GitIgnoreDecorationProvider implements FileDecorationProvider {
private static Decoration: FileDecoration = { color: new ThemeColor('gitDecoration.ignoredResourceForeground') };
readonly onDidChangeFileDecorations: Event<Uri[]>;
private queue = new Map<string, { repository: Repository; queue: Map<string, PromiseSource<FileDecoration | undefined>> }>();
private disposables: Disposable[] = [];
constructor(private model: Model) {
this.onDidChangeFileDecorations = fireEvent(anyEvent<any>(
filterEvent(workspace.onDidSaveTextDocument, e => /\.gitignore$|\.git\/info\/exclude$/.test(e.uri.path)),
model.onDidOpenRepository,
model.onDidCloseRepository
));
this.disposables.push(window.registerFileDecorationProvider(this));
}
async provideFileDecoration(uri: Uri): Promise<FileDecoration | undefined> {
const repository = this.model.getRepository(uri);
if (!repository) {
return;
}
let queueItem = this.queue.get(repository.root);
if (!queueItem) {
queueItem = { repository, queue: new Map<string, PromiseSource<FileDecoration | undefined>>() };
this.queue.set(repository.root, queueItem);
}
let promiseSource = queueItem.queue.get(uri.fsPath);
if (!promiseSource) {
promiseSource = new PromiseSource();
queueItem!.queue.set(uri.fsPath, promiseSource);
this.checkIgnoreSoon();
}
return await promiseSource.promise;
}
@debounce(500)
private checkIgnoreSoon(): void {
const queue = new Map(this.queue.entries());
this.queue.clear();
for (const [, item] of queue) {
const paths = [...item.queue.keys()];
item.repository.checkIgnore(paths).then(ignoreSet => {
for (const [path, promiseSource] of item.queue.entries()) {
promiseSource.resolve(ignoreSet.has(path) ? GitIgnoreDecorationProvider.Decoration : undefined);
}
}, err => {
if (err.gitErrorCode !== GitErrorCodes.IsInSubmodule) {
console.error(err);
}
for (const [, promiseSource] of item.queue.entries()) {
promiseSource.reject(err);
}
});
}
}
dispose(): void {
this.disposables.forEach(d => d.dispose());
this.queue.clear();
}
}
class GitDecorationProvider implements FileDecorationProvider {
private static SubmoduleDecorationData: FileDecoration = {
tooltip: 'Submodule',
badge: 'S',
color: new ThemeColor('gitDecoration.submoduleResourceForeground')
};
private readonly _onDidChangeDecorations = new EventEmitter<Uri[]>();
readonly onDidChangeFileDecorations: Event<Uri[]> = this._onDidChangeDecorations.event;
private disposables: Disposable[] = [];
private decorations = new Map<string, FileDecoration>();
constructor(private repository: Repository) {
this.disposables.push(
window.registerFileDecorationProvider(this),
repository.onDidRunGitStatus(this.onDidRunGitStatus, this)
);
}
private onDidRunGitStatus(): void {
const newDecorations = new Map<string, FileDecoration>();
this.collectSubmoduleDecorationData(newDecorations);
this.collectDecorationData(this.repository.indexGroup, newDecorations);
this.collectDecorationData(this.repository.untrackedGroup, newDecorations);
this.collectDecorationData(this.repository.workingTreeGroup, newDecorations);
this.collectDecorationData(this.repository.mergeGroup, newDecorations);
const uris = new Set([...this.decorations.keys()].concat([...newDecorations.keys()]));
this.decorations = newDecorations;
this._onDidChangeDecorations.fire([...uris.values()].map(value => Uri.parse(value, true)));
}
private collectDecorationData(group: GitResourceGroup, bucket: Map<string, FileDecoration>): void {
for (const r of group.resourceStates) {
const decoration = r.resourceDecoration;
if (decoration) {
// not deleted and has a decoration
bucket.set(r.original.toString(), decoration);
if (r.type === Status.INDEX_RENAMED) {
bucket.set(r.resourceUri.toString(), decoration);
}
}
}
}
private collectSubmoduleDecorationData(bucket: Map<string, FileDecoration>): void {
for (const submodule of this.repository.submodules) {
bucket.set(Uri.file(path.join(this.repository.root, submodule.path)).toString(), GitDecorationProvider.SubmoduleDecorationData);
}
}
provideFileDecoration(uri: Uri): FileDecoration | undefined {
return this.decorations.get(uri.toString());
}
dispose(): void {
this.disposables.forEach(d => d.dispose());
}
}
export class GitDecorations {
private disposables: Disposable[] = [];
private modelDisposables: Disposable[] = [];
private providers = new Map<Repository, Disposable>();
constructor(private model: Model) {
this.disposables.push(new GitIgnoreDecorationProvider(model));
const onEnablementChange = filterEvent(workspace.onDidChangeConfiguration, e => e.affectsConfiguration('git.decorations.enabled'));
onEnablementChange(this.update, this, this.disposables);
this.update();
}
private update(): void {
const enabled = workspace.getConfiguration('git').get('decorations.enabled');
if (enabled) {
this.enable();
} else {
this.disable();
}
}
private enable(): void {
this.model.onDidOpenRepository(this.onDidOpenRepository, this, this.modelDisposables);
this.model.onDidCloseRepository(this.onDidCloseRepository, this, this.modelDisposables);
this.model.repositories.forEach(this.onDidOpenRepository, this);
}
private disable(): void {
this.modelDisposables = dispose(this.modelDisposables);
this.providers.forEach(value => value.dispose());
this.providers.clear();
}
private onDidOpenRepository(repository: Repository): void {
const provider = new GitDecorationProvider(repository);
this.providers.set(repository, provider);
}
private onDidCloseRepository(repository: Repository): void {
const provider = this.providers.get(repository);
if (provider) {
provider.dispose();
this.providers.delete(repository);
}
}
dispose(): void {
this.disable();
this.disposables = dispose(this.disposables);
}
}
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