matrix-react-sdk
Version:
SDK for matrix.org using React
92 lines (89 loc) • 12.3 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = exports.UI_EVENTS = void 0;
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _events = _interopRequireDefault(require("events"));
/*
Copyright 2024 New Vector Ltd.
Copyright 2021 The Matrix.org Foundation C.I.C.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
let UI_EVENTS = exports.UI_EVENTS = /*#__PURE__*/function (UI_EVENTS) {
UI_EVENTS["Resize"] = "resize";
return UI_EVENTS;
}({});
class UIStore extends _events.default {
constructor() {
super();
// eslint-disable-next-line no-restricted-properties
(0, _defineProperty2.default)(this, "resizeObserver", void 0);
(0, _defineProperty2.default)(this, "uiElementDimensions", new Map());
(0, _defineProperty2.default)(this, "trackedUiElements", new Map());
(0, _defineProperty2.default)(this, "windowWidth", void 0);
(0, _defineProperty2.default)(this, "windowHeight", void 0);
(0, _defineProperty2.default)(this, "resizeObserverCallback", entries => {
const windowEntry = entries.find(entry => entry.target === document.body);
if (windowEntry) {
this.windowWidth = windowEntry.contentRect.width;
this.windowHeight = windowEntry.contentRect.height;
}
entries.forEach(entry => {
const trackedElementName = this.trackedUiElements.get(entry.target);
if (trackedElementName) {
this.uiElementDimensions.set(trackedElementName, entry.contentRect);
this.emit(trackedElementName, UI_EVENTS.Resize, entry);
}
});
this.emit(UI_EVENTS.Resize, entries);
});
this.windowWidth = window.innerWidth;
// eslint-disable-next-line no-restricted-properties
this.windowHeight = window.innerHeight;
this.resizeObserver = new ResizeObserver(this.resizeObserverCallback);
this.resizeObserver.observe(document.body);
}
static get instance() {
if (!UIStore._instance) {
UIStore._instance = new UIStore();
}
return UIStore._instance;
}
static destroy() {
if (UIStore._instance) {
UIStore._instance.resizeObserver.disconnect();
UIStore._instance.removeAllListeners();
UIStore._instance = null;
}
}
getElementDimensions(name) {
return this.uiElementDimensions.get(name);
}
trackElementDimensions(name, element) {
this.trackedUiElements.set(element, name);
this.resizeObserver.observe(element);
}
stopTrackingElementDimensions(name) {
let trackedElement;
this.trackedUiElements.forEach((trackedElementName, element) => {
if (trackedElementName === name) {
trackedElement = element;
}
});
if (trackedElement) {
this.resizeObserver.unobserve(trackedElement);
this.uiElementDimensions.delete(name);
this.trackedUiElements.delete(trackedElement);
}
}
isTrackingElementDimensions(name) {
return this.uiElementDimensions.has(name);
}
}
exports.default = UIStore;
(0, _defineProperty2.default)(UIStore, "_instance", null);
window.mxUIStore = UIStore.instance;
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"names":["_events","_interopRequireDefault","require","UI_EVENTS","exports","UIStore","EventEmitter","constructor","_defineProperty2","default","Map","entries","windowEntry","find","entry","target","document","body","windowWidth","contentRect","width","windowHeight","height","forEach","trackedElementName","trackedUiElements","get","uiElementDimensions","set","emit","Resize","window","innerWidth","innerHeight","resizeObserver","ResizeObserver","resizeObserverCallback","observe","instance","_instance","destroy","disconnect","removeAllListeners","getElementDimensions","name","trackElementDimensions","element","stopTrackingElementDimensions","trackedElement","unobserve","delete","isTrackingElementDimensions","has","mxUIStore"],"sources":["../../src/stores/UIStore.ts"],"sourcesContent":["/*\nCopyright 2024 New Vector Ltd.\nCopyright 2021 The Matrix.org Foundation C.I.C.\n\nSPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only\nPlease see LICENSE files in the repository root for full details.\n*/\n\nimport EventEmitter from \"events\";\n\nexport enum UI_EVENTS {\n    Resize = \"resize\",\n}\n\nexport default class UIStore extends EventEmitter {\n    private static _instance: UIStore | null = null;\n\n    private resizeObserver: ResizeObserver;\n\n    private uiElementDimensions = new Map<string, DOMRectReadOnly>();\n    private trackedUiElements = new Map<Element, string>();\n\n    public windowWidth: number;\n    public windowHeight: number;\n\n    public constructor() {\n        super();\n\n        // eslint-disable-next-line no-restricted-properties\n        this.windowWidth = window.innerWidth;\n        // eslint-disable-next-line no-restricted-properties\n        this.windowHeight = window.innerHeight;\n\n        this.resizeObserver = new ResizeObserver(this.resizeObserverCallback);\n        this.resizeObserver.observe(document.body);\n    }\n\n    public static get instance(): UIStore {\n        if (!UIStore._instance) {\n            UIStore._instance = new UIStore();\n        }\n        return UIStore._instance;\n    }\n\n    public static destroy(): void {\n        if (UIStore._instance) {\n            UIStore._instance.resizeObserver.disconnect();\n            UIStore._instance.removeAllListeners();\n            UIStore._instance = null;\n        }\n    }\n\n    public getElementDimensions(name: string): DOMRectReadOnly | undefined {\n        return this.uiElementDimensions.get(name);\n    }\n\n    public trackElementDimensions(name: string, element: Element): void {\n        this.trackedUiElements.set(element, name);\n        this.resizeObserver.observe(element);\n    }\n\n    public stopTrackingElementDimensions(name: string): void {\n        let trackedElement: Element | undefined;\n        this.trackedUiElements.forEach((trackedElementName, element) => {\n            if (trackedElementName === name) {\n                trackedElement = element;\n            }\n        });\n        if (trackedElement) {\n            this.resizeObserver.unobserve(trackedElement);\n            this.uiElementDimensions.delete(name);\n            this.trackedUiElements.delete(trackedElement);\n        }\n    }\n\n    public isTrackingElementDimensions(name: string): boolean {\n        return this.uiElementDimensions.has(name);\n    }\n\n    private resizeObserverCallback = (entries: ResizeObserverEntry[]): void => {\n        const windowEntry = entries.find((entry) => entry.target === document.body);\n\n        if (windowEntry) {\n            this.windowWidth = windowEntry.contentRect.width;\n            this.windowHeight = windowEntry.contentRect.height;\n        }\n\n        entries.forEach((entry) => {\n            const trackedElementName = this.trackedUiElements.get(entry.target);\n            if (trackedElementName) {\n                this.uiElementDimensions.set(trackedElementName, entry.contentRect);\n                this.emit(trackedElementName, UI_EVENTS.Resize, entry);\n            }\n        });\n\n        this.emit(UI_EVENTS.Resize, entries);\n    };\n}\n\nwindow.mxUIStore = 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