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/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
/* eslint no-unused-vars: [2, {"vars": "local"}] */
/* import-globals-from ../../test/head.js */
"use strict";
// Import the inspector's head.js first (which itself imports shared-head.js).
Services.scriptloader.loadSubScript(
"chrome://mochitests/content/browser/devtools/client/inspector/test/head.js",
this);
registerCleanupFunction(() => {
Services.prefs.clearUserPref("devtools.defaultColorUnit");
});
/**
* Dispatch the copy event on the given element
*/
function fireCopyEvent(element) {
let evt = element.ownerDocument.createEvent("Event");
evt.initEvent("copy", true, true);
element.dispatchEvent(evt);
}
/**
* Get references to the name and value span nodes corresponding to a given
* property name in the computed-view
*
* @param {CssComputedView} view
* The instance of the computed view panel
* @param {String} name
* The name of the property to retrieve
* @return an object {nameSpan, valueSpan}
*/
function getComputedViewProperty(view, name) {
let prop;
for (let property of view.styleDocument.querySelectorAll(".property-view")) {
let nameSpan = property.querySelector(".property-name");
let valueSpan = property.querySelector(".property-value");
if (nameSpan.textContent === name) {
prop = {nameSpan: nameSpan, valueSpan: valueSpan};
break;
}
}
return prop;
}
/**
* Get an instance of PropertyView from the computed-view.
*
* @param {CssComputedView} view
* The instance of the computed view panel
* @param {String} name
* The name of the property to retrieve
* @return {PropertyView}
*/
function getComputedViewPropertyView(view, name) {
let propView;
for (let propertyView of view.propertyViews) {
if (propertyView._propertyInfo.name === name) {
propView = propertyView;
break;
}
}
return propView;
}
/**
* Get a reference to the property-content element for a given property name in
* the computed-view.
* A property-content element always follows (nextSibling) the property itself
* and is only shown when the twisty icon is expanded on the property.
* A property-content element contains matched rules, with selectors,
* properties, values and stylesheet links
*
* @param {CssComputedView} view
* The instance of the computed view panel
* @param {String} name
* The name of the property to retrieve
* @return {Promise} A promise that resolves to the property matched rules
* container
*/
var getComputedViewMatchedRules = Task.async(function* (view, name) {
let expander;
let propertyContent;
for (let property of view.styleDocument.querySelectorAll(".property-view")) {
let nameSpan = property.querySelector(".property-name");
if (nameSpan.textContent === name) {
expander = property.querySelector(".expandable");
propertyContent = property.nextSibling;
break;
}
}
if (!expander.hasAttribute("open")) {
// Need to expand the property
let onExpand = view.inspector.once("computed-view-property-expanded");
expander.click();
yield onExpand;
}
return propertyContent;
});
/**
* Get the text value of the property corresponding to a given name in the
* computed-view
*
* @param {CssComputedView} view
* The instance of the computed view panel
* @param {String} name
* The name of the property to retrieve
* @return {String} The property value
*/
function getComputedViewPropertyValue(view, name, propertyName) {
return getComputedViewProperty(view, name, propertyName)
.valueSpan.textContent;
}
/**
* Expand a given property, given its index in the current property list of
* the computed view
*
* @param {CssComputedView} view
* The instance of the computed view panel
* @param {Number} index
* The index of the property to be expanded
* @return a promise that resolves when the property has been expanded, or
* rejects if the property was not found
*/
function expandComputedViewPropertyByIndex(view, index) {
info("Expanding property " + index + " in the computed view");
let expandos = view.styleDocument.querySelectorAll("#propertyContainer .expandable");
if (!expandos.length || !expandos[index]) {
return promise.reject();
}
let onExpand = view.inspector.once("computed-view-property-expanded");
expandos[index].click();
return onExpand;
}
/**
* Get a rule-link from the computed-view given its index
*
* @param {CssComputedView} view
* The instance of the computed view panel
* @param {Number} index
* The index of the link to be retrieved
* @return {DOMNode} The link at the given index, if one exists, null otherwise
*/
function getComputedViewLinkByIndex(view, index) {
let links = view.styleDocument.querySelectorAll(".rule-link .link");
return links[index];
}
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