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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.
*--------------------------------------------------------------------------------------------*/
'use strict';
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
const vscode_1 = require("vscode");
const decorators_1 = require("./decorators");
const uri_1 = require("./uri");
const util_1 = require("./util");
const THREE_MINUTES = 1000 * 60 * 3;
const FIVE_MINUTES = 1000 * 60 * 5;
class GitContentProvider {
constructor(model) {
this.model = model;
this._onDidChange = new vscode_1.EventEmitter();
this.changedRepositoryRoots = new Set();
this.cache = Object.create(null);
this.disposables = [];
this.disposables.push(model.onDidChangeRepository(this.onDidChangeRepository, this), model.onDidChangeOriginalResource(this.onDidChangeOriginalResource, this), vscode_1.workspace.registerTextDocumentContentProvider('git', this));
setInterval(() => this.cleanup(), FIVE_MINUTES);
}
get onDidChange() { return this._onDidChange.event; }
onDidChangeRepository({ repository }) {
this.changedRepositoryRoots.add(repository.root);
this.eventuallyFireChangeEvents();
}
onDidChangeOriginalResource({ uri }) {
if (uri.scheme !== 'file') {
return;
}
this._onDidChange.fire(uri_1.toGitUri(uri, '', { replaceFileExtension: true }));
}
eventuallyFireChangeEvents() {
this.fireChangeEvents();
}
fireChangeEvents() {
return __awaiter(this, void 0, void 0, function* () {
if (!vscode_1.window.state.focused) {
const onDidFocusWindow = util_1.filterEvent(vscode_1.window.onDidChangeWindowState, e => e.focused);
yield util_1.eventToPromise(onDidFocusWindow);
}
Object.keys(this.cache).forEach(key => {
const uri = this.cache[key].uri;
const fsPath = uri.fsPath;
for (const root of this.changedRepositoryRoots) {
if (util_1.isDescendant(root, fsPath)) {
this._onDidChange.fire(uri);
return;
}
}
});
this.changedRepositoryRoots.clear();
});
}
provideTextDocumentContent(uri) {
return __awaiter(this, void 0, void 0, function* () {
let { path, ref, submoduleOf } = uri_1.fromGitUri(uri);
if (submoduleOf) {
const repository = this.model.getRepository(submoduleOf);
if (!repository) {
return '';
}
return yield repository.diff(path, { cached: ref === 'index' });
}
const repository = this.model.getRepository(uri);
if (!repository) {
return '';
}
const cacheKey = uri.toString();
const timestamp = new Date().getTime();
const cacheValue = { uri, timestamp };
this.cache[cacheKey] = cacheValue;
if (ref === '~') {
const fileUri = vscode_1.Uri.file(path);
const uriString = fileUri.toString();
const [indexStatus] = repository.indexGroup.resourceStates.filter(r => r.resourceUri.toString() === uriString);
ref = indexStatus ? '' : 'HEAD';
}
try {
return yield repository.show(ref, path);
}
catch (err) {
return '';
}
});
}
cleanup() {
const now = new Date().getTime();
const cache = Object.create(null);
Object.keys(this.cache).forEach(key => {
const row = this.cache[key];
const { path } = uri_1.fromGitUri(row.uri);
const isOpen = vscode_1.workspace.textDocuments
.filter(d => d.uri.scheme === 'file')
.some(d => util_1.pathEquals(d.uri.fsPath, path));
if (isOpen || now - row.timestamp < THREE_MINUTES) {
cache[row.uri.toString()] = row;
}
});
this.cache = cache;
}
dispose() {
this.disposables.forEach(d => d.dispose());
}
}
__decorate([
decorators_1.debounce(1100)
], GitContentProvider.prototype, "eventuallyFireChangeEvents", null);
__decorate([
decorators_1.throttle
], GitContentProvider.prototype, "fireChangeEvents", null);
exports.GitContentProvider = GitContentProvider;
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