mv element.io @types __mocks__/ debian docker module_system/ playwright res src test webapp Dockerfile .dockerignore .eslintignore .stylelintrc.cjs babel.config.cjs recorder-worklet-loader.cjs .modernizr.json components.json config.json config.sample.json package.json project.json tsconfig.json tsconfig.module_system.json jest.config.ts playwright.config.ts webpack.config.ts build_config.sample.yaml apps/web/

mkdir apps/web/scripts mv scripts/{cleanup.sh,ci_package.sh,copy-res.ts,deploy.py,package.sh} apps/web/scripts And a couple of gitignore tweaks Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
2026-02-24 15:43:58 +00:00
parent e7509c92a1
commit 91a3cb03c1
3408 changed files with 28 additions and 32 deletions
@@ -0,0 +1,104 @@
+/*
+Copyright 2024 New Vector Ltd.
+Copyright 2018-2020 The Matrix.org Foundation C.I.C.
+
+SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE files in the repository root for full details.
+*/
+
+/**
+implements DOM/CSS operations for resizing.
+The sizer determines what CSS mechanism is used for sizing items, like flexbox, ...
+*/
+export default class Sizer {
+    public constructor(
+        protected readonly container: HTMLElement,
+        protected readonly vertical: boolean,
+        protected readonly reverse: boolean,
+    ) {}
+
+    /**
+        @param {Element} item the dom element being resized
+        @return {number} how far the edge of the item is from the edge of the container
+    */
+    public getItemOffset(item: HTMLElement): number {
+        const offset = (this.vertical ? item.offsetTop : item.offsetLeft) - this.getOffset();
+        if (this.reverse) {
+            return this.getTotalSize() - (offset + this.getItemSize(item));
+        } else {
+            return offset;
+        }
+    }
+
+    /**
+        @param {Element} item the dom element being resized
+        @return {number} the width/height of an item in the container
+    */
+    public getItemSize(item: HTMLElement): number {
+        return this.vertical ? item.offsetHeight : item.offsetWidth;
+    }
+
+    /** @return {number} the width/height of the container */
+    public getTotalSize(): number {
+        return this.vertical ? this.container.offsetHeight : this.container.offsetWidth;
+    }
+
+    /** @return {number} container offset to offsetParent */
+    private getOffset(): number {
+        return this.vertical ? this.container.offsetTop : this.container.offsetLeft;
+    }
+
+    /** @return {number} container offset to document */
+    private getPageOffset(): number {
+        let element = this.container;
+        let offset = 0;
+        while (element) {
+            const pos = this.vertical ? element.offsetTop : element.offsetLeft;
+            offset = offset + pos;
+            element = <HTMLElement>element.offsetParent;
+        }
+        return offset;
+    }
+
+    public getDesiredItemSize(item: HTMLElement): string {
+        if (this.vertical) {
+            return item.style.height;
+        } else {
+            return item.style.width;
+        }
+    }
+
+    public setItemSize(item: HTMLElement, size: string): void {
+        if (this.vertical) {
+            item.style.height = size;
+        } else {
+            item.style.width = size;
+        }
+    }
+
+    public clearItemSize(item: HTMLElement): void {
+        if (this.vertical) {
+            item.style.removeProperty("height");
+        } else {
+            item.style.removeProperty("width");
+        }
+    }
+
+    public start(item: HTMLElement): void {}
+
+    public finish(item: HTMLElement): void {}
+
+    /**
+        @param {MouseEvent} event the mouse event
+        @return {number} the distance between the cursor and the edge of the container,
+            along the applicable axis (vertical or horizontal)
+    */
+    public offsetFromEvent(event: MouseEvent): number {
+        const pos = this.vertical ? event.pageY : event.pageX;
+        if (this.reverse) {
+            return this.getPageOffset() + this.getTotalSize() - pos;
+        } else {
+            return pos - this.getPageOffset();
+        }
+    }
+}