79 lines
2.6 KiB
TypeScript
79 lines
2.6 KiB
TypeScript
/*
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Copyright 2022 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// Parse the given window.location and return parameters that can be used when calling
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// MatrixChat.showScreen(screen, params)
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import { logger } from "matrix-js-sdk/src/logger";
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import { QueryDict } from "matrix-js-sdk/src/utils";
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import MatrixChatType from "matrix-react-sdk/src/components/structures/MatrixChat";
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import { parseQsFromFragment } from "./url_utils";
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let lastLocationHashSet: string = null;
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export function getScreenFromLocation(location: Location): { screen: string; params: QueryDict } {
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const fragparts = parseQsFromFragment(location);
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return {
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screen: fragparts.location.substring(1),
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params: fragparts.params,
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};
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}
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// Here, we do some crude URL analysis to allow
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// deep-linking.
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function routeUrl(location: Location): void {
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if (!window.matrixChat) return;
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logger.log("Routing URL ", location.href);
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const s = getScreenFromLocation(location);
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(window.matrixChat as MatrixChatType).showScreen(s.screen, s.params);
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}
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function onHashChange(): void {
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if (decodeURIComponent(window.location.hash) === lastLocationHashSet) {
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// we just set this: no need to route it!
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return;
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}
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routeUrl(window.location);
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}
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// This will be called whenever the SDK changes screens,
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// so a web page can update the URL bar appropriately.
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export function onNewScreen(screen: string, replaceLast = false): void {
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logger.log("newscreen " + screen);
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const hash = "#/" + screen;
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lastLocationHashSet = hash;
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// if the new hash is a substring of the old one then we are stripping fields e.g `via` so replace history
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if (
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screen.startsWith("room/") &&
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window.location.hash.includes("/$") === hash.includes("/$") && // only if both did or didn't contain event link
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window.location.hash.startsWith(hash)
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) {
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replaceLast = true;
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}
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if (replaceLast) {
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window.location.replace(hash);
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} else {
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window.location.assign(hash);
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}
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}
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export function init(): void {
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window.addEventListener("hashchange", onHashChange);
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}
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