From 189ddd8c51a5cacef440580962c9166236ba3471 Mon Sep 17 00:00:00 2001 From: Jonathan Kelley Date: Sat, 29 Jan 2022 10:39:21 -0500 Subject: [PATCH] fix: move bindings into package --- packages/web/src/bindings.rs | 2 +- packages/web/src/interpreter.js | 499 ++++++++++++++++++++++++++++++++ 2 files changed, 500 insertions(+), 1 deletion(-) create mode 100644 packages/web/src/interpreter.js diff --git a/packages/web/src/bindings.rs b/packages/web/src/bindings.rs index 9b0c2ebfb..fa96e3230 100644 --- a/packages/web/src/bindings.rs +++ b/packages/web/src/bindings.rs @@ -2,7 +2,7 @@ use js_sys::Function; use wasm_bindgen::prelude::*; use web_sys::{Element, Node}; -#[wasm_bindgen(module = "/../jsinterpreter/interpreter.js")] +#[wasm_bindgen(module = "/src/interpreter.js")] extern "C" { pub type Interpreter; diff --git a/packages/web/src/interpreter.js b/packages/web/src/interpreter.js new file mode 100644 index 000000000..ea50ec3d3 --- /dev/null +++ b/packages/web/src/interpreter.js @@ -0,0 +1,499 @@ +export function main() { + let root = window.document.getElementById("main"); + if (root != null) { + window.interpreter = new Interpreter(root); + window.rpc.call("initialize"); + } +} +export class Interpreter { + root; + stack; + listeners; + handlers; + lastNodeWasText; + nodes; + constructor(root) { + this.root = root; + this.stack = [root]; + this.listeners = {}; + this.handlers = {}; + this.lastNodeWasText = false; + this.nodes = [root]; + } + top() { + return this.stack[this.stack.length - 1]; + } + pop() { + return this.stack.pop(); + } + PushRoot(root) { + const node = this.nodes[root]; + this.stack.push(node); + } + AppendChildren(many) { + let root = this.stack[this.stack.length - (1 + many)]; + let to_add = this.stack.splice(this.stack.length - many); + for (let i = 0; i < many; i++) { + root.appendChild(to_add[i]); + } + } + ReplaceWith(root_id, m) { + let root = this.nodes[root_id]; + let els = this.stack.splice(this.stack.length - m); + root.replaceWith(...els); + } + InsertAfter(root, n) { + let old = this.nodes[root]; + let new_nodes = this.stack.splice(this.stack.length - n); + old.after(...new_nodes); + } + InsertBefore(root, n) { + let old = this.nodes[root]; + let new_nodes = this.stack.splice(this.stack.length - n); + old.before(...new_nodes); + } + Remove(root) { + let node = this.nodes[root]; + if (node !== undefined) { + node.remove(); + } + } + CreateTextNode(text, root) { + // todo: make it so the types are okay + const node = document.createTextNode(text); + this.nodes[root] = node; + this.stack.push(node); + } + CreateElement(tag, root) { + const el = document.createElement(tag); + // el.setAttribute("data-dioxus-id", `${root}`); + this.nodes[root] = el; + this.stack.push(el); + } + CreateElementNs(tag, root, ns) { + let el = document.createElementNS(ns, tag); + this.stack.push(el); + this.nodes[root] = el; + } + CreatePlaceholder(root) { + let el = document.createElement("pre"); + el.hidden = true; + this.stack.push(el); + this.nodes[root] = el; + } + NewEventListener(event_name, root, handler) { + const element = this.nodes[root]; + element.setAttribute("data-dioxus-id", `${root}`); + if (this.listeners[event_name] === undefined) { + this.listeners[event_name] = 0; + this.handlers[event_name] = handler; + this.root.addEventListener(event_name, handler); + } + else { + this.listeners[event_name]++; + } + } + RemoveEventListener(root, event_name) { + const element = this.nodes[root]; + element.removeAttribute(`data-dioxus-id`); + this.listeners[event_name]--; + if (this.listeners[event_name] === 0) { + this.root.removeEventListener(event_name, this.handlers[event_name]); + delete this.listeners[event_name]; + delete this.handlers[event_name]; + } + } + SetText(root, text) { + this.nodes[root].textContent = text; + } + SetAttribute(root, field, value, ns) { + const name = field; + const node = this.nodes[root]; + if (ns == "style") { + // @ts-ignore + node.style[name] = value; + } + else if (ns != null || ns != undefined) { + node.setAttributeNS(ns, name, value); + } + else { + switch (name) { + case "value": + if (value != node.value) { + node.value = value; + } + break; + case "checked": + node.checked = value === "true"; + break; + case "selected": + node.selected = value === "true"; + break; + case "dangerous_inner_html": + node.innerHTML = value; + break; + default: + // https://github.com/facebook/react/blob/8b88ac2592c5f555f315f9440cbb665dd1e7457a/packages/react-dom/src/shared/DOMProperty.js#L352-L364 + if (value == "false" && bool_attrs.hasOwnProperty(name)) { + node.removeAttribute(name); + } + else { + node.setAttribute(name, value); + } + } + } + } + RemoveAttribute(root, name) { + const node = this.nodes[root]; + node.removeAttribute(name); + if (name === "value") { + node.value = ""; + } + if (name === "checked") { + node.checked = false; + } + if (name === "selected") { + node.selected = false; + } + } + handleEdits(edits) { + this.stack.push(this.root); + for (let edit of edits) { + this.handleEdit(edit); + } + } + handleEdit(edit) { + switch (edit.type) { + case "PushRoot": + this.PushRoot(edit.root); + break; + case "AppendChildren": + this.AppendChildren(edit.many); + break; + case "ReplaceWith": + this.ReplaceWith(edit.root, edit.m); + break; + case "InsertAfter": + this.InsertAfter(edit.root, edit.n); + break; + case "InsertBefore": + this.InsertBefore(edit.root, edit.n); + break; + case "Remove": + this.Remove(edit.root); + break; + case "CreateTextNode": + this.CreateTextNode(edit.text, edit.root); + break; + case "CreateElement": + this.CreateElement(edit.tag, edit.root); + break; + case "CreateElementNs": + this.CreateElementNs(edit.tag, edit.root, edit.ns); + break; + case "CreatePlaceholder": + this.CreatePlaceholder(edit.root); + break; + case "RemoveEventListener": + this.RemoveEventListener(edit.root, edit.event_name); + break; + case "NewEventListener": + // this handler is only provided on desktop implementations since this + // method is not used by the web implementation + let handler = (event) => { + let target = event.target; + if (target != null) { + let realId = target.getAttribute(`data-dioxus-id`); + // walk the tree to find the real element + while (realId == null && target.parentElement != null) { + target = target.parentElement; + realId = target.getAttribute(`data-dioxus-id`); + } + const shouldPreventDefault = target.getAttribute(`dioxus-prevent-default`); + let contents = serialize_event(event); + if (shouldPreventDefault === `on${event.type}`) { + event.preventDefault(); + } + if (event.type == "submit") { + event.preventDefault(); + } + if (event.type == "click") { + event.preventDefault(); + if (shouldPreventDefault !== `onclick`) { + if (target.tagName == "A") { + const href = target.getAttribute("href"); + if (href !== "" && href !== null && href !== undefined && realId != null) { + window.rpc.call("browser_open", { + mounted_dom_id: parseInt(realId), + href + }); + } + } + } + } + if (realId == null) { + return; + } + window.rpc.call("user_event", { + event: edit.event_name, + mounted_dom_id: parseInt(realId), + contents: contents, + }); + } + }; + this.NewEventListener(edit.event_name, edit.root, handler); + break; + case "SetText": + this.SetText(edit.root, edit.text); + break; + case "SetAttribute": + this.SetAttribute(edit.root, edit.field, edit.value, edit.ns); + break; + case "RemoveAttribute": + this.RemoveAttribute(edit.root, edit.name); + break; + } + } +} +function serialize_event(event) { + switch (event.type) { + case "copy": + case "cut": + case "past": { + return {}; + } + case "compositionend": + case "compositionstart": + case "compositionupdate": { + let { data } = event; + return { + data, + }; + } + case "keydown": + case "keypress": + case "keyup": { + let { charCode, key, altKey, ctrlKey, metaKey, keyCode, shiftKey, location, repeat, which, } = event; + return { + char_code: charCode, + key: key, + alt_key: altKey, + ctrl_key: ctrlKey, + meta_key: metaKey, + key_code: keyCode, + shift_key: shiftKey, + location: location, + repeat: repeat, + which: which, + locale: "locale", + }; + } + case "focus": + case "blur": { + return {}; + } + case "change": { + let target = event.target; + let value; + if (target.type === "checkbox" || target.type === "radio") { + value = target.checked ? "true" : "false"; + } + else { + value = target.value ?? target.textContent; + } + return { + value: value, + }; + } + case "input": + case "invalid": + case "reset": + case "submit": { + let target = event.target; + let value = target.value ?? target.textContent; + if (target.type == "checkbox") { + value = target.checked ? "true" : "false"; + } + return { + value: value, + }; + } + case "click": + case "contextmenu": + case "doubleclick": + case "drag": + case "dragend": + case "dragenter": + case "dragexit": + case "dragleave": + case "dragover": + case "dragstart": + case "drop": + case "mousedown": + case "mouseenter": + case "mouseleave": + case "mousemove": + case "mouseout": + case "mouseover": + case "mouseup": { + const { altKey, button, buttons, clientX, clientY, ctrlKey, metaKey, pageX, pageY, screenX, screenY, shiftKey, } = event; + return { + alt_key: altKey, + button: button, + buttons: buttons, + client_x: clientX, + client_y: clientY, + ctrl_key: ctrlKey, + meta_key: metaKey, + page_x: pageX, + page_y: pageY, + screen_x: screenX, + screen_y: screenY, + shift_key: shiftKey, + }; + } + case "pointerdown": + case "pointermove": + case "pointerup": + case "pointercancel": + case "gotpointercapture": + case "lostpointercapture": + case "pointerenter": + case "pointerleave": + case "pointerover": + case "pointerout": { + const { altKey, button, buttons, clientX, clientY, ctrlKey, metaKey, pageX, pageY, screenX, screenY, shiftKey, pointerId, width, height, pressure, tangentialPressure, tiltX, tiltY, twist, pointerType, isPrimary, } = event; + return { + alt_key: altKey, + button: button, + buttons: buttons, + client_x: clientX, + client_y: clientY, + ctrl_key: ctrlKey, + meta_key: metaKey, + page_x: pageX, + page_y: pageY, + screen_x: screenX, + screen_y: screenY, + shift_key: shiftKey, + pointer_id: pointerId, + width: width, + height: height, + pressure: pressure, + tangential_pressure: tangentialPressure, + tilt_x: tiltX, + tilt_y: tiltY, + twist: twist, + pointer_type: pointerType, + is_primary: isPrimary, + }; + } + case "select": { + return {}; + } + case "touchcancel": + case "touchend": + case "touchmove": + case "touchstart": { + const { altKey, ctrlKey, metaKey, shiftKey, } = event; + return { + // changed_touches: event.changedTouches, + // target_touches: event.targetTouches, + // touches: event.touches, + alt_key: altKey, + ctrl_key: ctrlKey, + meta_key: metaKey, + shift_key: shiftKey, + }; + } + case "scroll": { + return {}; + } + case "wheel": { + const { deltaX, deltaY, deltaZ, deltaMode, } = event; + return { + delta_x: deltaX, + delta_y: deltaY, + delta_z: deltaZ, + delta_mode: deltaMode, + }; + } + case "animationstart": + case "animationend": + case "animationiteration": { + const { animationName, elapsedTime, pseudoElement, } = event; + return { + animation_name: animationName, + elapsed_time: elapsedTime, + pseudo_element: pseudoElement, + }; + } + case "transitionend": { + const { propertyName, elapsedTime, pseudoElement, } = event; + return { + property_name: propertyName, + elapsed_time: elapsedTime, + pseudo_element: pseudoElement, + }; + } + case "abort": + case "canplay": + case "canplaythrough": + case "durationchange": + case "emptied": + case "encrypted": + case "ended": + case "error": + case "loadeddata": + case "loadedmetadata": + case "loadstart": + case "pause": + case "play": + case "playing": + case "progress": + case "ratechange": + case "seeked": + case "seeking": + case "stalled": + case "suspend": + case "timeupdate": + case "volumechange": + case "waiting": { + return {}; + } + case "toggle": { + return {}; + } + default: { + return {}; + } + } +} +const bool_attrs = { + allowfullscreen: true, + allowpaymentrequest: true, + async: true, + autofocus: true, + autoplay: true, + checked: true, + controls: true, + default: true, + defer: true, + disabled: true, + formnovalidate: true, + hidden: true, + ismap: true, + itemscope: true, + loop: true, + multiple: true, + muted: true, + nomodule: true, + novalidate: true, + open: true, + playsinline: true, + readonly: true, + required: true, + reversed: true, + selected: true, + truespeed: true, +};