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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const EventEmitter = require("resource://devtools/shared/event-emitter.js");
const {
appendText,
createChild,
} = require("resource://devtools/client/inspector/shared/utils.js");
const INDENT_SIZE = 2;
const INDENT_STR = " ".repeat(INDENT_SIZE);
/**
* RegisteredPropertyEditor creates a list of TextPropertyEditors for a given
* CSS registered property propertyDefinition that can be rendered in the Rules view.
*
* @param {CssRuleView} ruleView
* The CssRuleView containg the document holding this rule editor.
* @param {Rule} rule
* The Rule object we're editing.
*/
class RegisteredPropertyEditor extends EventEmitter {
/**
* @param {CssRuleView} ruleView
* The CssRuleView containing the document holding this rule editor.
* @param {Object} propertyDefinition
* The property definition data as returned by PageStyleActor's getRegisteredProperties
*/
constructor(ruleView, propertyDefinition) {
super();
this.#doc = ruleView.styleDocument;
this.#propertyDefinition = propertyDefinition;
this.#createElement();
}
#doc;
#propertyDefinition;
// The HTMLElement that will represent the registered property. Populated in #createElement.
element = null;
#createElement() {
this.element = this.#doc.createElement("div");
this.element.className = "ruleview-rule devtools-monospace";
this.element.setAttribute("uneditable", true);
this.element.setAttribute("unmatched", false);
this.element.setAttribute("data-name", this.#propertyDefinition.name);
// Give a relative position for the inplace editor's measurement
// span to be placed absolutely against.
this.element.style.position = "relative";
const code = createChild(this.element, "code", {
class: "ruleview-code",
});
const header = createChild(code, "header", {});
this.propertyName = createChild(header, "span", {
class: "ruleview-registered-property-name",
textContent: this.#propertyDefinition.name,
});
this.openBrace = createChild(header, "span", {
class: "ruleview-ruleopen",
textContent: " {",
});
// We can't use a proper "ol" as it will mess with selection copy text,
// adding spaces on list item instead of the one we craft (.ruleview-rule-indent)
this.propertyList = createChild(code, "div", {
class: "ruleview-propertylist",
role: "list",
});
this.#populateProperties();
this.closeBrace = createChild(code, "div", {
class: "ruleview-ruleclose",
textContent: "}",
});
}
/**
* Sets the content of this.#propertyList with the contents of the registered property .
*/
#populateProperties() {
const properties = [
{
name: "syntax",
value: `"${this.#propertyDefinition.syntax}"`,
},
{
name: "inherits",
value: this.#propertyDefinition.inherits,
},
];
// The initial value may not be set, when syntax is "*", so let's only display
// it when it is actually set.
if (this.#propertyDefinition.initialValue !== null) {
// For JS-defined properties, we want to display them in the same syntax that
// was used in CSS.registerProperty (so we'll show `initialValue` and not `initial-value`).
properties.push({
name: this.#propertyDefinition.fromJS
? "initialValue"
: "initial-value",
value: this.#propertyDefinition.fromJS
? `"${this.#propertyDefinition.initialValue}"`
: this.#propertyDefinition.initialValue,
});
}
// When the property is registered with CSS.registerProperty, we want to match the
// object shape of the parameter, so include the "name" property.
if (this.#propertyDefinition.fromJS) {
properties.unshift({
name: "name",
value: `"${this.#propertyDefinition.name}"`,
});
}
for (const { name, value } of properties) {
// XXX: We could use the TextPropertyEditor here.
// Pros:
// - we'd get the similar markup, so styling would be easier
// - the value would be properly parsed so our various swatches and popups would work
// out of the box
// - rule view filtering would also work out of the box
// Cons:
// - it is quite tied with the Rules view regular rule, which mean we'd have
// to modify it to accept registered properties.
const element = createChild(this.propertyList, "div", {
role: "listitem",
});
const container = createChild(element, "div", {
class: "ruleview-propertycontainer",
});
createChild(container, "span", {
class: "ruleview-rule-indent clipboard-only",
textContent: INDENT_STR,
});
const nameContainer = createChild(container, "span", {
class: "ruleview-namecontainer",
});
createChild(nameContainer, "span", {
class: "ruleview-propertyname theme-fg-color3",
textContent: name,
});
appendText(nameContainer, ": ");
// Create a span that will hold the property and semicolon.
// Use this span to create a slightly larger click target
// for the value.
const valueContainer = createChild(container, "span", {
class: "ruleview-propertyvaluecontainer",
});
// Property value, editable when focused. Changes to the
// property value are applied as they are typed, and reverted
// if the user presses escape.
createChild(valueContainer, "span", {
class: "ruleview-propertyvalue theme-fg-color1",
textContent: value,
});
appendText(valueContainer, this.#propertyDefinition.fromJS ? "," : ";");
this.propertyList.appendChild(element);
}
}
}
module.exports = RegisteredPropertyEditor;
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