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-rw-r--r--devtools/client/inspector/computed/computed.js1522
-rw-r--r--devtools/client/inspector/computed/moz.build11
-rw-r--r--devtools/client/inspector/computed/test/.eslintrc.js6
-rw-r--r--devtools/client/inspector/computed/test/browser.ini41
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_browser-styles.js52
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_cycle_color.js71
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_getNodeInfo.js178
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_keybindings_01.js83
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_keybindings_02.js66
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_matched-selectors-toggle.js104
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_matched-selectors_01.js40
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_matched-selectors_02.js41
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_media-queries.js36
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_no-results-placeholder.js70
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_original-source-link.js73
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_pseudo-element_01.js39
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_refresh-on-style-change_01.js30
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_search-filter.js66
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_search-filter_clear.js71
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_search-filter_context-menu.js84
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_search-filter_escape-keypress.js75
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_search-filter_noproperties.js61
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_select-and-copy-styles.js118
-rw-r--r--devtools/client/inspector/computed/test/browser_computed_style-editor-link.js142
-rw-r--r--devtools/client/inspector/computed/test/doc_matched_selectors.html28
-rw-r--r--devtools/client/inspector/computed/test/doc_media_queries.html21
-rw-r--r--devtools/client/inspector/computed/test/doc_pseudoelement.html131
-rw-r--r--devtools/client/inspector/computed/test/doc_sourcemaps.css7
-rw-r--r--devtools/client/inspector/computed/test/doc_sourcemaps.css.map7
-rw-r--r--devtools/client/inspector/computed/test/doc_sourcemaps.html11
-rw-r--r--devtools/client/inspector/computed/test/doc_sourcemaps.scss10
-rw-r--r--devtools/client/inspector/computed/test/head.js157
32 files changed, 3452 insertions, 0 deletions
diff --git a/devtools/client/inspector/computed/computed.js b/devtools/client/inspector/computed/computed.js
new file mode 100644
index 000000000..71d602a4e
--- /dev/null
+++ b/devtools/client/inspector/computed/computed.js
@@ -0,0 +1,1522 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* 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 ToolDefinitions = require("devtools/client/definitions").Tools;
+const CssLogic = require("devtools/shared/inspector/css-logic");
+const {ELEMENT_STYLE} = require("devtools/shared/specs/styles");
+const promise = require("promise");
+const defer = require("devtools/shared/defer");
+const Services = require("Services");
+const {OutputParser} = require("devtools/client/shared/output-parser");
+const {PrefObserver, PREF_ORIG_SOURCES} = require("devtools/client/styleeditor/utils");
+const {createChild} = require("devtools/client/inspector/shared/utils");
+const {gDevTools} = require("devtools/client/framework/devtools");
+const {getCssProperties} = require("devtools/shared/fronts/css-properties");
+const HighlightersOverlay = require("devtools/client/inspector/shared/highlighters-overlay");
+const {
+ VIEW_NODE_SELECTOR_TYPE,
+ VIEW_NODE_PROPERTY_TYPE,
+ VIEW_NODE_VALUE_TYPE,
+ VIEW_NODE_IMAGE_URL_TYPE,
+} = require("devtools/client/inspector/shared/node-types");
+const StyleInspectorMenu = require("devtools/client/inspector/shared/style-inspector-menu");
+const TooltipsOverlay = require("devtools/client/inspector/shared/tooltips-overlay");
+const {KeyShortcuts} = require("devtools/client/shared/key-shortcuts");
+const {BoxModelView} = require("devtools/client/inspector/components/box-model");
+const clipboardHelper = require("devtools/shared/platform/clipboard");
+
+const STYLE_INSPECTOR_PROPERTIES = "devtools/shared/locales/styleinspector.properties";
+const {LocalizationHelper} = require("devtools/shared/l10n");
+const STYLE_INSPECTOR_L10N = new LocalizationHelper(STYLE_INSPECTOR_PROPERTIES);
+
+const FILTER_CHANGED_TIMEOUT = 150;
+const HTML_NS = "http://www.w3.org/1999/xhtml";
+
+/**
+ * Helper for long-running processes that should yield occasionally to
+ * the mainloop.
+ *
+ * @param {Window} win
+ * Timeouts will be set on this window when appropriate.
+ * @param {Array} array
+ * The array of items to process.
+ * @param {Object} options
+ * Options for the update process:
+ * onItem {function} Will be called with the value of each iteration.
+ * onBatch {function} Will be called after each batch of iterations,
+ * before yielding to the main loop.
+ * onDone {function} Will be called when iteration is complete.
+ * onCancel {function} Will be called if the process is canceled.
+ * threshold {int} How long to process before yielding, in ms.
+ */
+function UpdateProcess(win, array, options) {
+ this.win = win;
+ this.index = 0;
+ this.array = array;
+
+ this.onItem = options.onItem || function () {};
+ this.onBatch = options.onBatch || function () {};
+ this.onDone = options.onDone || function () {};
+ this.onCancel = options.onCancel || function () {};
+ this.threshold = options.threshold || 45;
+
+ this.canceled = false;
+}
+
+UpdateProcess.prototype = {
+ /**
+ * Error thrown when the array of items to process is empty.
+ */
+ ERROR_ITERATION_DONE: new Error("UpdateProcess iteration done"),
+
+ /**
+ * Schedule a new batch on the main loop.
+ */
+ schedule: function () {
+ if (this.canceled) {
+ return;
+ }
+ this._timeout = setTimeout(this._timeoutHandler.bind(this), 0);
+ },
+
+ /**
+ * Cancel the running process. onItem will not be called again,
+ * and onCancel will be called.
+ */
+ cancel: function () {
+ if (this._timeout) {
+ clearTimeout(this._timeout);
+ this._timeout = 0;
+ }
+ this.canceled = true;
+ this.onCancel();
+ },
+
+ _timeoutHandler: function () {
+ this._timeout = null;
+ try {
+ this._runBatch();
+ this.schedule();
+ } catch (e) {
+ if (e === this.ERROR_ITERATION_DONE) {
+ this.onBatch();
+ this.onDone();
+ return;
+ }
+ console.error(e);
+ throw e;
+ }
+ },
+
+ _runBatch: function () {
+ let time = Date.now();
+ while (!this.canceled) {
+ let next = this._next();
+ this.onItem(next);
+ if ((Date.now() - time) > this.threshold) {
+ this.onBatch();
+ return;
+ }
+ }
+ },
+
+ /**
+ * Returns the item at the current index and increases the index.
+ * If all items have already been processed, will throw ERROR_ITERATION_DONE.
+ */
+ _next: function () {
+ if (this.index < this.array.length) {
+ return this.array[this.index++];
+ }
+ throw this.ERROR_ITERATION_DONE;
+ },
+};
+
+/**
+ * CssComputedView is a panel that manages the display of a table
+ * sorted by style. There should be one instance of CssComputedView
+ * per style display (of which there will generally only be one).
+ *
+ * @param {Inspector} inspector
+ * Inspector toolbox panel
+ * @param {Document} document
+ * The document that will contain the computed view.
+ * @param {PageStyleFront} pageStyle
+ * Front for the page style actor that will be providing
+ * the style information.
+ */
+function CssComputedView(inspector, document, pageStyle) {
+ this.inspector = inspector;
+ this.styleDocument = document;
+ this.styleWindow = this.styleDocument.defaultView;
+ this.pageStyle = pageStyle;
+
+ this.propertyViews = [];
+
+ let cssProperties = getCssProperties(inspector.toolbox);
+ this._outputParser = new OutputParser(document, cssProperties);
+
+ // Create bound methods.
+ this.focusWindow = this.focusWindow.bind(this);
+ this._onContextMenu = this._onContextMenu.bind(this);
+ this._onClick = this._onClick.bind(this);
+ this._onCopy = this._onCopy.bind(this);
+ this._onFilterStyles = this._onFilterStyles.bind(this);
+ this._onClearSearch = this._onClearSearch.bind(this);
+ this._onIncludeBrowserStyles = this._onIncludeBrowserStyles.bind(this);
+
+ let doc = this.styleDocument;
+ this.element = doc.getElementById("propertyContainer");
+ this.searchField = doc.getElementById("computedview-searchbox");
+ this.searchClearButton = doc.getElementById("computedview-searchinput-clear");
+ this.includeBrowserStylesCheckbox =
+ doc.getElementById("browser-style-checkbox");
+
+ this.shortcuts = new KeyShortcuts({ window: this.styleWindow });
+ this._onShortcut = this._onShortcut.bind(this);
+ this.shortcuts.on("CmdOrCtrl+F", this._onShortcut);
+ this.shortcuts.on("Escape", this._onShortcut);
+ this.styleDocument.addEventListener("mousedown", this.focusWindow);
+ this.element.addEventListener("click", this._onClick);
+ this.element.addEventListener("copy", this._onCopy);
+ this.element.addEventListener("contextmenu", this._onContextMenu);
+ this.searchField.addEventListener("input", this._onFilterStyles);
+ this.searchField.addEventListener("contextmenu", this.inspector.onTextBoxContextMenu);
+ this.searchClearButton.addEventListener("click", this._onClearSearch);
+ this.includeBrowserStylesCheckbox.addEventListener("input",
+ this._onIncludeBrowserStyles);
+
+ this.searchClearButton.hidden = true;
+
+ // No results text.
+ this.noResults = this.styleDocument.getElementById("computedview-no-results");
+
+ // Refresh panel when color unit changed.
+ this._handlePrefChange = this._handlePrefChange.bind(this);
+ gDevTools.on("pref-changed", this._handlePrefChange);
+
+ // Refresh panel when pref for showing original sources changes
+ this._onSourcePrefChanged = this._onSourcePrefChanged.bind(this);
+ this._prefObserver = new PrefObserver("devtools.");
+ this._prefObserver.on(PREF_ORIG_SOURCES, this._onSourcePrefChanged);
+
+ // The element that we're inspecting, and the document that it comes from.
+ this._viewedElement = null;
+
+ this.createStyleViews();
+
+ this._contextmenu = new StyleInspectorMenu(this, { isRuleView: false });
+
+ // Add the tooltips and highlightersoverlay
+ this.tooltips = new TooltipsOverlay(this);
+ this.tooltips.addToView();
+
+ this.highlighters = new HighlightersOverlay(this);
+ this.highlighters.addToView();
+}
+
+/**
+ * Lookup a l10n string in the shared styleinspector string bundle.
+ *
+ * @param {String} name
+ * The key to lookup.
+ * @returns {String} localized version of the given key.
+ */
+CssComputedView.l10n = function (name) {
+ try {
+ return STYLE_INSPECTOR_L10N.getStr(name);
+ } catch (ex) {
+ console.log("Error reading '" + name + "'");
+ throw new Error("l10n error with " + name);
+ }
+};
+
+CssComputedView.prototype = {
+ // Cache the list of properties that match the selected element.
+ _matchedProperties: null,
+
+ // Used for cancelling timeouts in the style filter.
+ _filterChangedTimeout: null,
+
+ // Holds the ID of the panelRefresh timeout.
+ _panelRefreshTimeout: null,
+
+ // Toggle for zebra striping
+ _darkStripe: true,
+
+ // Number of visible properties
+ numVisibleProperties: 0,
+
+ setPageStyle: function (pageStyle) {
+ this.pageStyle = pageStyle;
+ },
+
+ get includeBrowserStyles() {
+ return this.includeBrowserStylesCheckbox.checked;
+ },
+
+ _handlePrefChange: function (event, data) {
+ if (this._computed && (data.pref === "devtools.defaultColorUnit" ||
+ data.pref === PREF_ORIG_SOURCES)) {
+ this.refreshPanel();
+ }
+ },
+
+ /**
+ * Update the view with a new selected element. The CssComputedView panel
+ * will show the style information for the given element.
+ *
+ * @param {NodeFront} element
+ * The highlighted node to get styles for.
+ * @returns a promise that will be resolved when highlighting is complete.
+ */
+ selectElement: function (element) {
+ if (!element) {
+ this._viewedElement = null;
+ this.noResults.hidden = false;
+
+ if (this._refreshProcess) {
+ this._refreshProcess.cancel();
+ }
+ // Hiding all properties
+ for (let propView of this.propertyViews) {
+ propView.refresh();
+ }
+ return promise.resolve(undefined);
+ }
+
+ if (element === this._viewedElement) {
+ return promise.resolve(undefined);
+ }
+
+ this._viewedElement = element;
+ this.refreshSourceFilter();
+
+ return this.refreshPanel();
+ },
+
+ /**
+ * Get the type of a given node in the computed-view
+ *
+ * @param {DOMNode} node
+ * The node which we want information about
+ * @return {Object} The type information object contains the following props:
+ * - type {String} One of the VIEW_NODE_XXX_TYPE const in
+ * client/inspector/shared/node-types
+ * - value {Object} Depends on the type of the node
+ * returns null if the node isn't anything we care about
+ */
+ getNodeInfo: function (node) {
+ if (!node) {
+ return null;
+ }
+
+ let classes = node.classList;
+
+ // Check if the node isn't a selector first since this doesn't require
+ // walking the DOM
+ if (classes.contains("matched") ||
+ classes.contains("bestmatch") ||
+ classes.contains("parentmatch")) {
+ let selectorText = "";
+ for (let child of node.childNodes) {
+ if (child.nodeType === node.TEXT_NODE) {
+ selectorText += child.textContent;
+ }
+ }
+ return {
+ type: VIEW_NODE_SELECTOR_TYPE,
+ value: selectorText.trim()
+ };
+ }
+
+ // Walk up the nodes to find out where node is
+ let propertyView;
+ let propertyContent;
+ let parent = node;
+ while (parent.parentNode) {
+ if (parent.classList.contains("property-view")) {
+ propertyView = parent;
+ break;
+ }
+ if (parent.classList.contains("property-content")) {
+ propertyContent = parent;
+ break;
+ }
+ parent = parent.parentNode;
+ }
+ if (!propertyView && !propertyContent) {
+ return null;
+ }
+
+ let value, type;
+
+ // Get the property and value for a node that's a property name or value
+ let isHref = classes.contains("theme-link") && !classes.contains("link");
+ if (propertyView && (classes.contains("property-name") ||
+ classes.contains("property-value") ||
+ isHref)) {
+ value = {
+ property: parent.querySelector(".property-name").textContent,
+ value: parent.querySelector(".property-value").textContent
+ };
+ }
+ if (propertyContent && (classes.contains("other-property-value") ||
+ isHref)) {
+ let view = propertyContent.previousSibling;
+ value = {
+ property: view.querySelector(".property-name").textContent,
+ value: node.textContent
+ };
+ }
+
+ // Get the type
+ if (classes.contains("property-name")) {
+ type = VIEW_NODE_PROPERTY_TYPE;
+ } else if (classes.contains("property-value") ||
+ classes.contains("other-property-value")) {
+ type = VIEW_NODE_VALUE_TYPE;
+ } else if (isHref) {
+ type = VIEW_NODE_IMAGE_URL_TYPE;
+ value.url = node.href;
+ } else {
+ return null;
+ }
+
+ return {type, value};
+ },
+
+ _createPropertyViews: function () {
+ if (this._createViewsPromise) {
+ return this._createViewsPromise;
+ }
+
+ let deferred = defer();
+ this._createViewsPromise = deferred.promise;
+
+ this.refreshSourceFilter();
+ this.numVisibleProperties = 0;
+ let fragment = this.styleDocument.createDocumentFragment();
+
+ this._createViewsProcess = new UpdateProcess(
+ this.styleWindow, CssComputedView.propertyNames, {
+ onItem: (propertyName) => {
+ // Per-item callback.
+ let propView = new PropertyView(this, propertyName);
+ fragment.appendChild(propView.buildMain());
+ fragment.appendChild(propView.buildSelectorContainer());
+
+ if (propView.visible) {
+ this.numVisibleProperties++;
+ }
+ this.propertyViews.push(propView);
+ },
+ onCancel: () => {
+ deferred.reject("_createPropertyViews cancelled");
+ },
+ onDone: () => {
+ // Completed callback.
+ this.element.appendChild(fragment);
+ this.noResults.hidden = this.numVisibleProperties > 0;
+ deferred.resolve(undefined);
+ }
+ }
+ );
+
+ this._createViewsProcess.schedule();
+ return deferred.promise;
+ },
+
+ /**
+ * Refresh the panel content.
+ */
+ refreshPanel: function () {
+ if (!this._viewedElement) {
+ return promise.resolve();
+ }
+
+ // Capture the current viewed element to return from the promise handler
+ // early if it changed
+ let viewedElement = this._viewedElement;
+
+ return promise.all([
+ this._createPropertyViews(),
+ this.pageStyle.getComputed(this._viewedElement, {
+ filter: this._sourceFilter,
+ onlyMatched: !this.includeBrowserStyles,
+ markMatched: true
+ })
+ ]).then(([, computed]) => {
+ if (viewedElement !== this._viewedElement) {
+ return promise.resolve();
+ }
+
+ this._matchedProperties = new Set();
+ for (let name in computed) {
+ if (computed[name].matched) {
+ this._matchedProperties.add(name);
+ }
+ }
+ this._computed = computed;
+
+ if (this._refreshProcess) {
+ this._refreshProcess.cancel();
+ }
+
+ this.noResults.hidden = true;
+
+ // Reset visible property count
+ this.numVisibleProperties = 0;
+
+ // Reset zebra striping.
+ this._darkStripe = true;
+
+ let deferred = defer();
+ this._refreshProcess = new UpdateProcess(
+ this.styleWindow, this.propertyViews, {
+ onItem: (propView) => {
+ propView.refresh();
+ },
+ onCancel: () => {
+ deferred.reject("_refreshProcess of computed view cancelled");
+ },
+ onDone: () => {
+ this._refreshProcess = null;
+ this.noResults.hidden = this.numVisibleProperties > 0;
+
+ if (this.searchField.value.length > 0 &&
+ !this.numVisibleProperties) {
+ this.searchField.classList
+ .add("devtools-style-searchbox-no-match");
+ } else {
+ this.searchField.classList
+ .remove("devtools-style-searchbox-no-match");
+ }
+
+ this.inspector.emit("computed-view-refreshed");
+ deferred.resolve(undefined);
+ }
+ }
+ );
+ this._refreshProcess.schedule();
+ return deferred.promise;
+ }).then(null, (err) => console.error(err));
+ },
+
+ /**
+ * Handle the shortcut events in the computed view.
+ */
+ _onShortcut: function (name, event) {
+ if (!event.target.closest("#sidebar-panel-computedview")) {
+ return;
+ }
+ // Handle the search box's keypress event. If the escape key is pressed,
+ // clear the search box field.
+ if (name === "Escape" && event.target === this.searchField &&
+ this._onClearSearch()) {
+ event.preventDefault();
+ event.stopPropagation();
+ } else if (name === "CmdOrCtrl+F") {
+ this.searchField.focus();
+ event.preventDefault();
+ }
+ },
+
+ /**
+ * Set the filter style search value.
+ * @param {String} value
+ * The search value.
+ */
+ setFilterStyles: function (value = "") {
+ this.searchField.value = value;
+ this.searchField.focus();
+ this._onFilterStyles();
+ },
+
+ /**
+ * Called when the user enters a search term in the filter style search box.
+ */
+ _onFilterStyles: function () {
+ if (this._filterChangedTimeout) {
+ clearTimeout(this._filterChangedTimeout);
+ }
+
+ let filterTimeout = (this.searchField.value.length > 0)
+ ? FILTER_CHANGED_TIMEOUT : 0;
+ this.searchClearButton.hidden = this.searchField.value.length === 0;
+
+ this._filterChangedTimeout = setTimeout(() => {
+ if (this.searchField.value.length > 0) {
+ this.searchField.setAttribute("filled", true);
+ this.inspector.emit("computed-view-filtered", true);
+ } else {
+ this.searchField.removeAttribute("filled");
+ this.inspector.emit("computed-view-filtered", false);
+ }
+
+ this.refreshPanel();
+ this._filterChangeTimeout = null;
+ }, filterTimeout);
+ },
+
+ /**
+ * Called when the user clicks on the clear button in the filter style search
+ * box. Returns true if the search box is cleared and false otherwise.
+ */
+ _onClearSearch: function () {
+ if (this.searchField.value) {
+ this.setFilterStyles("");
+ return true;
+ }
+
+ return false;
+ },
+
+ /**
+ * The change event handler for the includeBrowserStyles checkbox.
+ */
+ _onIncludeBrowserStyles: function () {
+ this.refreshSourceFilter();
+ this.refreshPanel();
+ },
+
+ /**
+ * When includeBrowserStylesCheckbox.checked is false we only display
+ * properties that have matched selectors and have been included by the
+ * document or one of thedocument's stylesheets. If .checked is false we
+ * display all properties including those that come from UA stylesheets.
+ */
+ refreshSourceFilter: function () {
+ this._matchedProperties = null;
+ this._sourceFilter = this.includeBrowserStyles ?
+ CssLogic.FILTER.UA :
+ CssLogic.FILTER.USER;
+ },
+
+ _onSourcePrefChanged: function () {
+ for (let propView of this.propertyViews) {
+ propView.updateSourceLinks();
+ }
+ this.inspector.emit("computed-view-sourcelinks-updated");
+ },
+
+ /**
+ * The CSS as displayed by the UI.
+ */
+ createStyleViews: function () {
+ if (CssComputedView.propertyNames) {
+ return;
+ }
+
+ CssComputedView.propertyNames = [];
+
+ // Here we build and cache a list of css properties supported by the browser
+ // We could use any element but let's use the main document's root element
+ let styles = this.styleWindow
+ .getComputedStyle(this.styleDocument.documentElement);
+ let mozProps = [];
+ for (let i = 0, numStyles = styles.length; i < numStyles; i++) {
+ let prop = styles.item(i);
+ if (prop.startsWith("--")) {
+ // Skip any CSS variables used inside of browser CSS files
+ continue;
+ } else if (prop.startsWith("-")) {
+ mozProps.push(prop);
+ } else {
+ CssComputedView.propertyNames.push(prop);
+ }
+ }
+
+ CssComputedView.propertyNames.sort();
+ CssComputedView.propertyNames.push.apply(CssComputedView.propertyNames,
+ mozProps.sort());
+
+ this._createPropertyViews().then(null, e => {
+ if (!this._isDestroyed) {
+ console.warn("The creation of property views was cancelled because " +
+ "the computed-view was destroyed before it was done creating views");
+ } else {
+ console.error(e);
+ }
+ });
+ },
+
+ /**
+ * Get a set of properties that have matched selectors.
+ *
+ * @return {Set} If a property name is in the set, it has matching selectors.
+ */
+ get matchedProperties() {
+ return this._matchedProperties || new Set();
+ },
+
+ /**
+ * Focus the window on mousedown.
+ */
+ focusWindow: function () {
+ this.styleWindow.focus();
+ },
+
+ /**
+ * Context menu handler.
+ */
+ _onContextMenu: function (event) {
+ this._contextmenu.show(event);
+ },
+
+ _onClick: function (event) {
+ let target = event.target;
+
+ if (target.nodeName === "a") {
+ event.stopPropagation();
+ event.preventDefault();
+ let browserWin = this.inspector.target.tab.ownerDocument.defaultView;
+ browserWin.openUILinkIn(target.href, "tab");
+ }
+ },
+
+ /**
+ * Callback for copy event. Copy selected text.
+ *
+ * @param {Event} event
+ * copy event object.
+ */
+ _onCopy: function (event) {
+ this.copySelection();
+ event.preventDefault();
+ },
+
+ /**
+ * Copy the current selection to the clipboard
+ */
+ copySelection: function () {
+ try {
+ let win = this.styleWindow;
+ let text = win.getSelection().toString().trim();
+
+ // Tidy up block headings by moving CSS property names and their
+ // values onto the same line and inserting a colon between them.
+ let textArray = text.split(/[\r\n]+/);
+ let result = "";
+
+ // Parse text array to output string.
+ if (textArray.length > 1) {
+ for (let prop of textArray) {
+ if (CssComputedView.propertyNames.indexOf(prop) !== -1) {
+ // Property name
+ result += prop;
+ } else {
+ // Property value
+ result += ": " + prop + ";\n";
+ }
+ }
+ } else {
+ // Short text fragment.
+ result = textArray[0];
+ }
+
+ clipboardHelper.copyString(result);
+ } catch (e) {
+ console.error(e);
+ }
+ },
+
+ /**
+ * Destructor for CssComputedView.
+ */
+ destroy: function () {
+ this._viewedElement = null;
+ this._outputParser = null;
+
+ gDevTools.off("pref-changed", this._handlePrefChange);
+
+ this._prefObserver.off(PREF_ORIG_SOURCES, this._onSourcePrefChanged);
+ this._prefObserver.destroy();
+
+ // Cancel tree construction
+ if (this._createViewsProcess) {
+ this._createViewsProcess.cancel();
+ }
+ if (this._refreshProcess) {
+ this._refreshProcess.cancel();
+ }
+
+ // Remove context menu
+ if (this._contextmenu) {
+ this._contextmenu.destroy();
+ this._contextmenu = null;
+ }
+
+ this.tooltips.destroy();
+ this.highlighters.destroy();
+
+ // Remove bound listeners
+ this.styleDocument.removeEventListener("mousedown", this.focusWindow);
+ this.element.removeEventListener("click", this._onClick);
+ this.element.removeEventListener("copy", this._onCopy);
+ this.element.removeEventListener("contextmenu", this._onContextMenu);
+ this.searchField.removeEventListener("input", this._onFilterStyles);
+ this.searchField.removeEventListener("contextmenu",
+ this.inspector.onTextBoxContextMenu);
+ this.searchClearButton.removeEventListener("click", this._onClearSearch);
+ this.includeBrowserStylesCheckbox.removeEventListener("input",
+ this._onIncludeBrowserStyles);
+
+ // Nodes used in templating
+ this.element = null;
+ this.panel = null;
+ this.searchField = null;
+ this.searchClearButton = null;
+ this.includeBrowserStylesCheckbox = null;
+
+ // Property views
+ for (let propView of this.propertyViews) {
+ propView.destroy();
+ }
+ this.propertyViews = null;
+
+ this.inspector = null;
+ this.styleDocument = null;
+ this.styleWindow = null;
+
+ this._isDestroyed = true;
+ }
+};
+
+function PropertyInfo(tree, name) {
+ this.tree = tree;
+ this.name = name;
+}
+
+PropertyInfo.prototype = {
+ get value() {
+ if (this.tree._computed) {
+ let value = this.tree._computed[this.name].value;
+ return value;
+ }
+ return null;
+ }
+};
+
+/**
+ * A container to give easy access to property data from the template engine.
+ *
+ * @param {CssComputedView} tree
+ * The CssComputedView instance we are working with.
+ * @param {String} name
+ * The CSS property name for which this PropertyView
+ * instance will render the rules.
+ */
+function PropertyView(tree, name) {
+ this.tree = tree;
+ this.name = name;
+
+ this.link = "https://developer.mozilla.org/CSS/" + name;
+
+ this._propertyInfo = new PropertyInfo(tree, name);
+}
+
+PropertyView.prototype = {
+ // The parent element which contains the open attribute
+ element: null,
+
+ // Property header node
+ propertyHeader: null,
+
+ // Destination for property names
+ nameNode: null,
+
+ // Destination for property values
+ valueNode: null,
+
+ // Are matched rules expanded?
+ matchedExpanded: false,
+
+ // Matched selector container
+ matchedSelectorsContainer: null,
+
+ // Matched selector expando
+ matchedExpander: null,
+
+ // Cache for matched selector views
+ _matchedSelectorViews: null,
+
+ // The previously selected element used for the selector view caches
+ _prevViewedElement: null,
+
+ /**
+ * Get the computed style for the current property.
+ *
+ * @return {String} the computed style for the current property of the
+ * currently highlighted element.
+ */
+ get value() {
+ return this.propertyInfo.value;
+ },
+
+ /**
+ * An easy way to access the CssPropertyInfo behind this PropertyView.
+ */
+ get propertyInfo() {
+ return this._propertyInfo;
+ },
+
+ /**
+ * Does the property have any matched selectors?
+ */
+ get hasMatchedSelectors() {
+ return this.tree.matchedProperties.has(this.name);
+ },
+
+ /**
+ * Should this property be visible?
+ */
+ get visible() {
+ if (!this.tree._viewedElement) {
+ return false;
+ }
+
+ if (!this.tree.includeBrowserStyles && !this.hasMatchedSelectors) {
+ return false;
+ }
+
+ let searchTerm = this.tree.searchField.value.toLowerCase();
+ let isValidSearchTerm = searchTerm.trim().length > 0;
+ if (isValidSearchTerm &&
+ this.name.toLowerCase().indexOf(searchTerm) === -1 &&
+ this.value.toLowerCase().indexOf(searchTerm) === -1) {
+ return false;
+ }
+
+ return true;
+ },
+
+ /**
+ * Returns the className that should be assigned to the propertyView.
+ *
+ * @return {String}
+ */
+ get propertyHeaderClassName() {
+ if (this.visible) {
+ let isDark = this.tree._darkStripe = !this.tree._darkStripe;
+ return isDark ? "property-view row-striped" : "property-view";
+ }
+ return "property-view-hidden";
+ },
+
+ /**
+ * Returns the className that should be assigned to the propertyView content
+ * container.
+ *
+ * @return {String}
+ */
+ get propertyContentClassName() {
+ if (this.visible) {
+ let isDark = this.tree._darkStripe;
+ return isDark ? "property-content row-striped" : "property-content";
+ }
+ return "property-content-hidden";
+ },
+
+ /**
+ * Build the markup for on computed style
+ *
+ * @return {Element}
+ */
+ buildMain: function () {
+ let doc = this.tree.styleDocument;
+
+ // Build the container element
+ this.onMatchedToggle = this.onMatchedToggle.bind(this);
+ this.element = doc.createElementNS(HTML_NS, "div");
+ this.element.setAttribute("class", this.propertyHeaderClassName);
+ this.element.addEventListener("dblclick", this.onMatchedToggle, false);
+
+ // Make it keyboard navigable
+ this.element.setAttribute("tabindex", "0");
+ this.shortcuts = new KeyShortcuts({
+ window: this.tree.styleWindow,
+ target: this.element
+ });
+ this.shortcuts.on("F1", (name, event) => {
+ this.mdnLinkClick(event);
+ // Prevent opening the options panel
+ event.preventDefault();
+ event.stopPropagation();
+ });
+ this.shortcuts.on("Return", (name, event) => this.onMatchedToggle(event));
+ this.shortcuts.on("Space", (name, event) => this.onMatchedToggle(event));
+
+ let nameContainer = doc.createElementNS(HTML_NS, "div");
+ nameContainer.className = "property-name-container";
+ this.element.appendChild(nameContainer);
+
+ // Build the twisty expand/collapse
+ this.matchedExpander = doc.createElementNS(HTML_NS, "div");
+ this.matchedExpander.className = "expander theme-twisty";
+ this.matchedExpander.addEventListener("click", this.onMatchedToggle, false);
+ nameContainer.appendChild(this.matchedExpander);
+
+ // Build the style name element
+ this.nameNode = doc.createElementNS(HTML_NS, "div");
+ this.nameNode.setAttribute("class", "property-name theme-fg-color5");
+ // Reset its tabindex attribute otherwise, if an ellipsis is applied
+ // it will be reachable via TABing
+ this.nameNode.setAttribute("tabindex", "");
+ // Avoid english text (css properties) from being altered
+ // by RTL mode
+ this.nameNode.setAttribute("dir", "ltr");
+ this.nameNode.textContent = this.nameNode.title = this.name;
+ // Make it hand over the focus to the container
+ this.onFocus = () => this.element.focus();
+ this.nameNode.addEventListener("click", this.onFocus, false);
+ nameContainer.appendChild(this.nameNode);
+
+ let valueContainer = doc.createElementNS(HTML_NS, "div");
+ valueContainer.className = "property-value-container";
+ this.element.appendChild(valueContainer);
+
+ // Build the style value element
+ this.valueNode = doc.createElementNS(HTML_NS, "div");
+ this.valueNode.setAttribute("class", "property-value theme-fg-color1");
+ // Reset its tabindex attribute otherwise, if an ellipsis is applied
+ // it will be reachable via TABing
+ this.valueNode.setAttribute("tabindex", "");
+ this.valueNode.setAttribute("dir", "ltr");
+ // Make it hand over the focus to the container
+ this.valueNode.addEventListener("click", this.onFocus, false);
+ valueContainer.appendChild(this.valueNode);
+
+ return this.element;
+ },
+
+ buildSelectorContainer: function () {
+ let doc = this.tree.styleDocument;
+ let element = doc.createElementNS(HTML_NS, "div");
+ element.setAttribute("class", this.propertyContentClassName);
+ this.matchedSelectorsContainer = doc.createElementNS(HTML_NS, "div");
+ this.matchedSelectorsContainer.setAttribute("class", "matchedselectors");
+ element.appendChild(this.matchedSelectorsContainer);
+
+ return element;
+ },
+
+ /**
+ * Refresh the panel's CSS property value.
+ */
+ refresh: function () {
+ this.element.className = this.propertyHeaderClassName;
+ this.element.nextElementSibling.className = this.propertyContentClassName;
+
+ if (this._prevViewedElement !== this.tree._viewedElement) {
+ this._matchedSelectorViews = null;
+ this._prevViewedElement = this.tree._viewedElement;
+ }
+
+ if (!this.tree._viewedElement || !this.visible) {
+ this.valueNode.textContent = this.valueNode.title = "";
+ this.matchedSelectorsContainer.parentNode.hidden = true;
+ this.matchedSelectorsContainer.textContent = "";
+ this.matchedExpander.removeAttribute("open");
+ return;
+ }
+
+ this.tree.numVisibleProperties++;
+
+ let outputParser = this.tree._outputParser;
+ let frag = outputParser.parseCssProperty(this.propertyInfo.name,
+ this.propertyInfo.value,
+ {
+ colorSwatchClass: "computedview-colorswatch",
+ colorClass: "computedview-color",
+ urlClass: "theme-link"
+ // No need to use baseURI here as computed URIs are never relative.
+ });
+ this.valueNode.innerHTML = "";
+ this.valueNode.appendChild(frag);
+
+ this.refreshMatchedSelectors();
+ },
+
+ /**
+ * Refresh the panel matched rules.
+ */
+ refreshMatchedSelectors: function () {
+ let hasMatchedSelectors = this.hasMatchedSelectors;
+ this.matchedSelectorsContainer.parentNode.hidden = !hasMatchedSelectors;
+
+ if (hasMatchedSelectors) {
+ this.matchedExpander.classList.add("expandable");
+ } else {
+ this.matchedExpander.classList.remove("expandable");
+ }
+
+ if (this.matchedExpanded && hasMatchedSelectors) {
+ return this.tree.pageStyle
+ .getMatchedSelectors(this.tree._viewedElement, this.name)
+ .then(matched => {
+ if (!this.matchedExpanded) {
+ return promise.resolve(undefined);
+ }
+
+ this._matchedSelectorResponse = matched;
+
+ return this._buildMatchedSelectors().then(() => {
+ this.matchedExpander.setAttribute("open", "");
+ this.tree.inspector.emit("computed-view-property-expanded");
+ });
+ }).then(null, console.error);
+ }
+
+ this.matchedSelectorsContainer.innerHTML = "";
+ this.matchedExpander.removeAttribute("open");
+ this.tree.inspector.emit("computed-view-property-collapsed");
+ return promise.resolve(undefined);
+ },
+
+ get matchedSelectors() {
+ return this._matchedSelectorResponse;
+ },
+
+ _buildMatchedSelectors: function () {
+ let promises = [];
+ let frag = this.element.ownerDocument.createDocumentFragment();
+
+ for (let selector of this.matchedSelectorViews) {
+ let p = createChild(frag, "p");
+ let span = createChild(p, "span", {
+ class: "rule-link"
+ });
+ let link = createChild(span, "a", {
+ target: "_blank",
+ class: "link theme-link",
+ title: selector.href,
+ sourcelocation: selector.source,
+ tabindex: "0",
+ textContent: selector.source
+ });
+ link.addEventListener("click", selector.openStyleEditor, false);
+ let shortcuts = new KeyShortcuts({
+ window: this.tree.styleWindow,
+ target: link
+ });
+ shortcuts.on("Return", () => selector.openStyleEditor());
+
+ let status = createChild(p, "span", {
+ dir: "ltr",
+ class: "rule-text theme-fg-color3 " + selector.statusClass,
+ title: selector.statusText,
+ textContent: selector.sourceText
+ });
+ let valueSpan = createChild(status, "span", {
+ class: "other-property-value theme-fg-color1"
+ });
+ valueSpan.appendChild(selector.outputFragment);
+ promises.push(selector.ready);
+ }
+
+ this.matchedSelectorsContainer.innerHTML = "";
+ this.matchedSelectorsContainer.appendChild(frag);
+ return promise.all(promises);
+ },
+
+ /**
+ * Provide access to the matched SelectorViews that we are currently
+ * displaying.
+ */
+ get matchedSelectorViews() {
+ if (!this._matchedSelectorViews) {
+ this._matchedSelectorViews = [];
+ this._matchedSelectorResponse.forEach(selectorInfo => {
+ let selectorView = new SelectorView(this.tree, selectorInfo);
+ this._matchedSelectorViews.push(selectorView);
+ }, this);
+ }
+ return this._matchedSelectorViews;
+ },
+
+ /**
+ * Update all the selector source links to reflect whether we're linking to
+ * original sources (e.g. Sass files).
+ */
+ updateSourceLinks: function () {
+ if (!this._matchedSelectorViews) {
+ return;
+ }
+ for (let view of this._matchedSelectorViews) {
+ view.updateSourceLink();
+ }
+ },
+
+ /**
+ * The action when a user expands matched selectors.
+ *
+ * @param {Event} event
+ * Used to determine the class name of the targets click
+ * event.
+ */
+ onMatchedToggle: function (event) {
+ if (event.shiftKey) {
+ return;
+ }
+ this.matchedExpanded = !this.matchedExpanded;
+ this.refreshMatchedSelectors();
+ event.preventDefault();
+ },
+
+ /**
+ * The action when a user clicks on the MDN help link for a property.
+ */
+ mdnLinkClick: function (event) {
+ let inspector = this.tree.inspector;
+
+ if (inspector.target.tab) {
+ let browserWin = inspector.target.tab.ownerDocument.defaultView;
+ browserWin.openUILinkIn(this.link, "tab");
+ }
+ },
+
+ /**
+ * Destroy this property view, removing event listeners
+ */
+ destroy: function () {
+ this.element.removeEventListener("dblclick", this.onMatchedToggle, false);
+ this.shortcuts.destroy();
+ this.element = null;
+
+ this.matchedExpander.removeEventListener("click", this.onMatchedToggle,
+ false);
+ this.matchedExpander = null;
+
+ this.nameNode.removeEventListener("click", this.onFocus, false);
+ this.nameNode = null;
+
+ this.valueNode.removeEventListener("click", this.onFocus, false);
+ this.valueNode = null;
+ }
+};
+
+/**
+ * A container to give us easy access to display data from a CssRule
+ *
+ * @param CssComputedView tree
+ * the owning CssComputedView
+ * @param selectorInfo
+ */
+function SelectorView(tree, selectorInfo) {
+ this.tree = tree;
+ this.selectorInfo = selectorInfo;
+ this._cacheStatusNames();
+
+ this.openStyleEditor = this.openStyleEditor.bind(this);
+
+ this.ready = this.updateSourceLink();
+}
+
+/**
+ * Decode for cssInfo.rule.status
+ * @see SelectorView.prototype._cacheStatusNames
+ * @see CssLogic.STATUS
+ */
+SelectorView.STATUS_NAMES = [
+ // "Parent Match", "Matched", "Best Match"
+];
+
+SelectorView.CLASS_NAMES = [
+ "parentmatch", "matched", "bestmatch"
+];
+
+SelectorView.prototype = {
+ /**
+ * Cache localized status names.
+ *
+ * These statuses are localized inside the styleinspector.properties string
+ * bundle.
+ * @see css-logic.js - the CssLogic.STATUS array.
+ */
+ _cacheStatusNames: function () {
+ if (SelectorView.STATUS_NAMES.length) {
+ return;
+ }
+
+ for (let status in CssLogic.STATUS) {
+ let i = CssLogic.STATUS[status];
+ if (i > CssLogic.STATUS.UNMATCHED) {
+ let value = CssComputedView.l10n("rule.status." + status);
+ // Replace normal spaces with non-breaking spaces
+ SelectorView.STATUS_NAMES[i] = value.replace(/ /g, "\u00A0");
+ }
+ }
+ },
+
+ /**
+ * A localized version of cssRule.status
+ */
+ get statusText() {
+ return SelectorView.STATUS_NAMES[this.selectorInfo.status];
+ },
+
+ /**
+ * Get class name for selector depending on status
+ */
+ get statusClass() {
+ return SelectorView.CLASS_NAMES[this.selectorInfo.status - 1];
+ },
+
+ get href() {
+ if (this._href) {
+ return this._href;
+ }
+ let sheet = this.selectorInfo.rule.parentStyleSheet;
+ this._href = sheet ? sheet.href : "#";
+ return this._href;
+ },
+
+ get sourceText() {
+ return this.selectorInfo.sourceText;
+ },
+
+ get value() {
+ return this.selectorInfo.value;
+ },
+
+ get outputFragment() {
+ // Sadly, because this fragment is added to the template by DOM Templater
+ // we lose any events that are attached. This means that URLs will open in a
+ // new window. At some point we should fix this by stopping using the
+ // templater.
+ let outputParser = this.tree._outputParser;
+ let frag = outputParser.parseCssProperty(
+ this.selectorInfo.name,
+ this.selectorInfo.value, {
+ colorSwatchClass: "computedview-colorswatch",
+ colorClass: "computedview-color",
+ urlClass: "theme-link",
+ baseURI: this.selectorInfo.rule.href
+ }
+ );
+ return frag;
+ },
+
+ /**
+ * Update the text of the source link to reflect whether we're showing
+ * original sources or not.
+ */
+ updateSourceLink: function () {
+ return this.updateSource().then((oldSource) => {
+ if (oldSource !== this.source && this.tree.element) {
+ let selector = '[sourcelocation="' + oldSource + '"]';
+ let link = this.tree.element.querySelector(selector);
+ if (link) {
+ link.textContent = this.source;
+ link.setAttribute("sourcelocation", this.source);
+ }
+ }
+ });
+ },
+
+ /**
+ * Update the 'source' store based on our original sources preference.
+ */
+ updateSource: function () {
+ let rule = this.selectorInfo.rule;
+ this.sheet = rule.parentStyleSheet;
+
+ if (!rule || !this.sheet) {
+ let oldSource = this.source;
+ this.source = CssLogic.l10n("rule.sourceElement");
+ return promise.resolve(oldSource);
+ }
+
+ let showOrig = Services.prefs.getBoolPref(PREF_ORIG_SOURCES);
+
+ if (showOrig && rule.type !== ELEMENT_STYLE) {
+ let deferred = defer();
+
+ // set as this first so we show something while we're fetching
+ this.source = CssLogic.shortSource(this.sheet) + ":" + rule.line;
+
+ rule.getOriginalLocation().then(({href, line}) => {
+ let oldSource = this.source;
+ this.source = CssLogic.shortSource({href: href}) + ":" + line;
+ deferred.resolve(oldSource);
+ });
+
+ return deferred.promise;
+ }
+
+ let oldSource = this.source;
+ this.source = CssLogic.shortSource(this.sheet) + ":" + rule.line;
+ return promise.resolve(oldSource);
+ },
+
+ /**
+ * When a css link is clicked this method is called in order to either:
+ * 1. Open the link in view source (for chrome stylesheets).
+ * 2. Open the link in the style editor.
+ *
+ * We can only view stylesheets contained in document.styleSheets inside the
+ * style editor.
+ */
+ openStyleEditor: function () {
+ let inspector = this.tree.inspector;
+ let rule = this.selectorInfo.rule;
+
+ // The style editor can only display stylesheets coming from content because
+ // chrome stylesheets are not listed in the editor's stylesheet selector.
+ //
+ // If the stylesheet is a content stylesheet we send it to the style
+ // editor else we display it in the view source window.
+ let parentStyleSheet = rule.parentStyleSheet;
+ if (!parentStyleSheet || parentStyleSheet.isSystem) {
+ let toolbox = gDevTools.getToolbox(inspector.target);
+ toolbox.viewSource(rule.href, rule.line);
+ return;
+ }
+
+ let location = promise.resolve(rule.location);
+ if (Services.prefs.getBoolPref(PREF_ORIG_SOURCES)) {
+ location = rule.getOriginalLocation();
+ }
+
+ location.then(({source, href, line, column}) => {
+ let target = inspector.target;
+ if (ToolDefinitions.styleEditor.isTargetSupported(target)) {
+ gDevTools.showToolbox(target, "styleeditor").then(function (toolbox) {
+ let sheet = source || href;
+ toolbox.getCurrentPanel().selectStyleSheet(sheet, line, column);
+ });
+ }
+ });
+ }
+};
+
+function ComputedViewTool(inspector, window) {
+ this.inspector = inspector;
+ this.document = window.document;
+
+ this.computedView = new CssComputedView(this.inspector, this.document,
+ this.inspector.pageStyle);
+ this.boxModelView = new BoxModelView(this.inspector, this.document);
+
+ this.onSelected = this.onSelected.bind(this);
+ this.refresh = this.refresh.bind(this);
+ this.onPanelSelected = this.onPanelSelected.bind(this);
+ this.onMutations = this.onMutations.bind(this);
+ this.onResized = this.onResized.bind(this);
+
+ this.inspector.selection.on("detached-front", this.onSelected);
+ this.inspector.selection.on("new-node-front", this.onSelected);
+ this.inspector.selection.on("pseudoclass", this.refresh);
+ this.inspector.sidebar.on("computedview-selected", this.onPanelSelected);
+ this.inspector.pageStyle.on("stylesheet-updated", this.refresh);
+ this.inspector.walker.on("mutations", this.onMutations);
+ this.inspector.walker.on("resize", this.onResized);
+
+ this.computedView.selectElement(null);
+
+ this.onSelected();
+}
+
+ComputedViewTool.prototype = {
+ isSidebarActive: function () {
+ if (!this.computedView) {
+ return false;
+ }
+ return this.inspector.sidebar.getCurrentTabID() == "computedview";
+ },
+
+ onSelected: function (event) {
+ // Ignore the event if the view has been destroyed, or if it's inactive.
+ // But only if the current selection isn't null. If it's been set to null,
+ // let the update go through as this is needed to empty the view on
+ // navigation.
+ if (!this.computedView) {
+ return;
+ }
+
+ let isInactive = !this.isSidebarActive() &&
+ this.inspector.selection.nodeFront;
+ if (isInactive) {
+ return;
+ }
+
+ this.computedView.setPageStyle(this.inspector.pageStyle);
+
+ if (!this.inspector.selection.isConnected() ||
+ !this.inspector.selection.isElementNode()) {
+ this.computedView.selectElement(null);
+ return;
+ }
+
+ if (!event || event == "new-node-front") {
+ let done = this.inspector.updating("computed-view");
+ this.computedView.selectElement(this.inspector.selection.nodeFront).then(() => {
+ done();
+ });
+ }
+ },
+
+ refresh: function () {
+ if (this.isSidebarActive()) {
+ this.computedView.refreshPanel();
+ }
+ },
+
+ onPanelSelected: function () {
+ if (this.inspector.selection.nodeFront === this.computedView._viewedElement) {
+ this.refresh();
+ } else {
+ this.onSelected();
+ }
+ },
+
+ /**
+ * When markup mutations occur, if an attribute of the selected node changes,
+ * we need to refresh the view as that might change the node's styles.
+ */
+ onMutations: function (mutations) {
+ for (let {type, target} of mutations) {
+ if (target === this.inspector.selection.nodeFront &&
+ type === "attributes") {
+ this.refresh();
+ break;
+ }
+ }
+ },
+
+ /**
+ * When the window gets resized, this may cause media-queries to match, and
+ * therefore, different styles may apply.
+ */
+ onResized: function () {
+ this.refresh();
+ },
+
+ destroy: function () {
+ this.inspector.walker.off("mutations", this.onMutations);
+ this.inspector.walker.off("resize", this.onResized);
+ this.inspector.sidebar.off("computedview-selected", this.refresh);
+ this.inspector.selection.off("pseudoclass", this.refresh);
+ this.inspector.selection.off("new-node-front", this.onSelected);
+ this.inspector.selection.off("detached-front", this.onSelected);
+ this.inspector.sidebar.off("computedview-selected", this.onPanelSelected);
+ if (this.inspector.pageStyle) {
+ this.inspector.pageStyle.off("stylesheet-updated", this.refresh);
+ }
+
+ this.computedView.destroy();
+ this.boxModelView.destroy();
+
+ this.computedView = this.boxModelView = this.document = this.inspector = null;
+ }
+};
+
+exports.CssComputedView = CssComputedView;
+exports.ComputedViewTool = ComputedViewTool;
+exports.PropertyView = PropertyView;
diff --git a/devtools/client/inspector/computed/moz.build b/devtools/client/inspector/computed/moz.build
new file mode 100644
index 000000000..5ce950325
--- /dev/null
+++ b/devtools/client/inspector/computed/moz.build
@@ -0,0 +1,11 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+DevToolsModules(
+ 'computed.js',
+)
+
+BROWSER_CHROME_MANIFESTS += ['test/browser.ini']
diff --git a/devtools/client/inspector/computed/test/.eslintrc.js b/devtools/client/inspector/computed/test/.eslintrc.js
new file mode 100644
index 000000000..698ae9181
--- /dev/null
+++ b/devtools/client/inspector/computed/test/.eslintrc.js
@@ -0,0 +1,6 @@
+"use strict";
+
+module.exports = {
+ // Extend from the shared list of defined globals for mochitests.
+ "extends": "../../../../.eslintrc.mochitests.js"
+};
diff --git a/devtools/client/inspector/computed/test/browser.ini b/devtools/client/inspector/computed/test/browser.ini
new file mode 100644
index 000000000..33293e1eb
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser.ini
@@ -0,0 +1,41 @@
+[DEFAULT]
+tags = devtools
+subsuite = devtools
+support-files =
+ doc_matched_selectors.html
+ doc_media_queries.html
+ doc_pseudoelement.html
+ doc_sourcemaps.css
+ doc_sourcemaps.css.map
+ doc_sourcemaps.html
+ doc_sourcemaps.scss
+ head.js
+ !/devtools/client/commandline/test/helpers.js
+ !/devtools/client/framework/test/shared-head.js
+ !/devtools/client/inspector/test/head.js
+ !/devtools/client/inspector/test/shared-head.js
+ !/devtools/client/shared/test/test-actor.js
+ !/devtools/client/shared/test/test-actor-registry.js
+
+[browser_computed_browser-styles.js]
+[browser_computed_cycle_color.js]
+[browser_computed_getNodeInfo.js]
+[browser_computed_keybindings_01.js]
+[browser_computed_keybindings_02.js]
+[browser_computed_matched-selectors-toggle.js]
+[browser_computed_matched-selectors_01.js]
+[browser_computed_matched-selectors_02.js]
+[browser_computed_media-queries.js]
+[browser_computed_no-results-placeholder.js]
+[browser_computed_original-source-link.js]
+[browser_computed_pseudo-element_01.js]
+[browser_computed_refresh-on-style-change_01.js]
+[browser_computed_search-filter.js]
+[browser_computed_search-filter_clear.js]
+[browser_computed_search-filter_context-menu.js]
+subsuite = clipboard
+[browser_computed_search-filter_escape-keypress.js]
+[browser_computed_search-filter_noproperties.js]
+[browser_computed_select-and-copy-styles.js]
+subsuite = clipboard
+[browser_computed_style-editor-link.js]
diff --git a/devtools/client/inspector/computed/test/browser_computed_browser-styles.js b/devtools/client/inspector/computed/test/browser_computed_browser-styles.js
new file mode 100644
index 000000000..32de63650
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_browser-styles.js
@@ -0,0 +1,52 @@
+/* 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/ */
+
+"use strict";
+
+// Tests that the checkbox to include browser styles works properly.
+
+const TEST_URI = `
+ <style type="text/css">
+ .matches {
+ color: #F00;
+ }
+ </style>
+ <span id="matches" class="matches">Some styled text</span>
+`;
+
+add_task(function* () {
+ yield addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+ let {inspector, view} = yield openComputedView();
+ yield selectNode("#matches", inspector);
+
+ info("Checking the default styles");
+ is(isPropertyVisible("color", view), true,
+ "span #matches color property is visible");
+ is(isPropertyVisible("background-color", view), false,
+ "span #matches background-color property is hidden");
+
+ info("Toggling the browser styles");
+ let doc = view.styleDocument;
+ let checkbox = doc.querySelector(".includebrowserstyles");
+ let onRefreshed = inspector.once("computed-view-refreshed");
+ checkbox.click();
+ yield onRefreshed;
+
+ info("Checking the browser styles");
+ is(isPropertyVisible("color", view), true,
+ "span color property is visible");
+ is(isPropertyVisible("background-color", view), true,
+ "span background-color property is visible");
+});
+
+function isPropertyVisible(name, view) {
+ info("Checking property visibility for " + name);
+ let propertyViews = view.propertyViews;
+ for (let propView of propertyViews) {
+ if (propView.name == name) {
+ return propView.visible;
+ }
+ }
+ return false;
+}
diff --git a/devtools/client/inspector/computed/test/browser_computed_cycle_color.js b/devtools/client/inspector/computed/test/browser_computed_cycle_color.js
new file mode 100644
index 000000000..c9892fafe
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_cycle_color.js
@@ -0,0 +1,71 @@
+/* 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/ */
+
+"use strict";
+
+// Computed view color cycling test.
+
+const TEST_URI = `
+ <style type="text/css">
+ .matches {
+ color: #f00;
+ }
+ </style>
+ <span id="matches" class="matches">Some styled text</span>
+`;
+
+add_task(function* () {
+ yield addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+ let {inspector, view} = yield openComputedView();
+ yield selectNode("#matches", inspector);
+
+ info("Checking the property itself");
+ let container = getComputedViewPropertyView(view, "color").valueNode;
+ checkColorCycling(container, view);
+
+ info("Checking matched selectors");
+ container = yield getComputedViewMatchedRules(view, "color");
+ yield checkColorCycling(container, view);
+});
+
+function* checkColorCycling(container, view) {
+ let valueNode = container.querySelector(".computedview-color");
+ let win = view.styleWindow;
+
+ // "Authored" (default; currently the computed value)
+ is(valueNode.textContent, "rgb(255, 0, 0)",
+ "Color displayed as an RGB value.");
+
+ let tests = [{
+ value: "red",
+ comment: "Color displayed as a color name."
+ }, {
+ value: "#f00",
+ comment: "Color displayed as an authored value."
+ }, {
+ value: "hsl(0, 100%, 50%)",
+ comment: "Color displayed as an HSL value again."
+ }, {
+ value: "rgb(255, 0, 0)",
+ comment: "Color displayed as an RGB value again."
+ }];
+
+ for (let test of tests) {
+ yield checkSwatchShiftClick(container, win, test.value, test.comment);
+ }
+}
+
+function* checkSwatchShiftClick(container, win, expectedValue, comment) {
+ let swatch = container.querySelector(".computedview-colorswatch");
+ let valueNode = container.querySelector(".computedview-color");
+ swatch.scrollIntoView();
+
+ let onUnitChange = swatch.once("unit-change");
+ EventUtils.synthesizeMouseAtCenter(swatch, {
+ type: "mousedown",
+ shiftKey: true
+ }, win);
+ yield onUnitChange;
+ is(valueNode.textContent, expectedValue, comment);
+}
diff --git a/devtools/client/inspector/computed/test/browser_computed_getNodeInfo.js b/devtools/client/inspector/computed/test/browser_computed_getNodeInfo.js
new file mode 100644
index 000000000..30113e7ec
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_getNodeInfo.js
@@ -0,0 +1,178 @@
+/* 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/ */
+
+"use strict";
+
+// Tests various output of the computed-view's getNodeInfo method.
+// This method is used by the HighlightersOverlay and TooltipsOverlay on mouseover to
+// decide which highlighter or tooltip to show when hovering over a value/name/selector
+// if any.
+//
+// For instance, browser_ruleview_selector-highlighter_01.js and
+// browser_ruleview_selector-highlighter_02.js test that the selector
+// highlighter appear when hovering over a selector in the rule-view.
+// Since the code to make this work for the computed-view is 90% the same,
+// there is no need for testing it again here.
+// This test however serves as a unit test for getNodeInfo.
+
+const {
+ VIEW_NODE_SELECTOR_TYPE,
+ VIEW_NODE_PROPERTY_TYPE,
+ VIEW_NODE_VALUE_TYPE,
+ VIEW_NODE_IMAGE_URL_TYPE
+} = require("devtools/client/inspector/shared/node-types");
+
+const TEST_URI = `
+ <style type="text/css">
+ body {
+ background: red;
+ color: white;
+ }
+ div {
+ background: green;
+ }
+ div div {
+ background-color: yellow;
+ background-image: url(chrome://global/skin/icons/warning-64.png);
+ color: red;
+ }
+ </style>
+ <div><div id="testElement">Test element</div></div>
+`;
+
+// Each item in this array must have the following properties:
+// - desc {String} will be logged for information
+// - getHoveredNode {Generator Function} received the computed-view instance as
+// argument and must return the node to be tested
+// - assertNodeInfo {Function} should check the validity of the nodeInfo
+// argument it receives
+const TEST_DATA = [
+ {
+ desc: "Testing a null node",
+ getHoveredNode: function* () {
+ return null;
+ },
+ assertNodeInfo: function (nodeInfo) {
+ is(nodeInfo, null);
+ }
+ },
+ {
+ desc: "Testing a useless node",
+ getHoveredNode: function* (view) {
+ return view.element;
+ },
+ assertNodeInfo: function (nodeInfo) {
+ is(nodeInfo, null);
+ }
+ },
+ {
+ desc: "Testing a property name",
+ getHoveredNode: function* (view) {
+ return getComputedViewProperty(view, "color").nameSpan;
+ },
+ assertNodeInfo: function (nodeInfo) {
+ is(nodeInfo.type, VIEW_NODE_PROPERTY_TYPE);
+ ok("property" in nodeInfo.value);
+ ok("value" in nodeInfo.value);
+ is(nodeInfo.value.property, "color");
+ is(nodeInfo.value.value, "rgb(255, 0, 0)");
+ }
+ },
+ {
+ desc: "Testing a property value",
+ getHoveredNode: function* (view) {
+ return getComputedViewProperty(view, "color").valueSpan;
+ },
+ assertNodeInfo: function (nodeInfo) {
+ is(nodeInfo.type, VIEW_NODE_VALUE_TYPE);
+ ok("property" in nodeInfo.value);
+ ok("value" in nodeInfo.value);
+ is(nodeInfo.value.property, "color");
+ is(nodeInfo.value.value, "rgb(255, 0, 0)");
+ }
+ },
+ {
+ desc: "Testing an image url",
+ getHoveredNode: function* (view) {
+ let {valueSpan} = getComputedViewProperty(view, "background-image");
+ return valueSpan.querySelector(".theme-link");
+ },
+ assertNodeInfo: function (nodeInfo) {
+ is(nodeInfo.type, VIEW_NODE_IMAGE_URL_TYPE);
+ ok("property" in nodeInfo.value);
+ ok("value" in nodeInfo.value);
+ is(nodeInfo.value.property, "background-image");
+ is(nodeInfo.value.value,
+ "url(\"chrome://global/skin/icons/warning-64.png\")");
+ is(nodeInfo.value.url, "chrome://global/skin/icons/warning-64.png");
+ }
+ },
+ {
+ desc: "Testing a matched rule selector (bestmatch)",
+ getHoveredNode: function* (view) {
+ let el = yield getComputedViewMatchedRules(view, "background-color");
+ return el.querySelector(".bestmatch");
+ },
+ assertNodeInfo: function (nodeInfo) {
+ is(nodeInfo.type, VIEW_NODE_SELECTOR_TYPE);
+ is(nodeInfo.value, "div div");
+ }
+ },
+ {
+ desc: "Testing a matched rule selector (matched)",
+ getHoveredNode: function* (view) {
+ let el = yield getComputedViewMatchedRules(view, "background-color");
+ return el.querySelector(".matched");
+ },
+ assertNodeInfo: function (nodeInfo) {
+ is(nodeInfo.type, VIEW_NODE_SELECTOR_TYPE);
+ is(nodeInfo.value, "div");
+ }
+ },
+ {
+ desc: "Testing a matched rule selector (parentmatch)",
+ getHoveredNode: function* (view) {
+ let el = yield getComputedViewMatchedRules(view, "color");
+ return el.querySelector(".parentmatch");
+ },
+ assertNodeInfo: function (nodeInfo) {
+ is(nodeInfo.type, VIEW_NODE_SELECTOR_TYPE);
+ is(nodeInfo.value, "body");
+ }
+ },
+ {
+ desc: "Testing a matched rule value",
+ getHoveredNode: function* (view) {
+ let el = yield getComputedViewMatchedRules(view, "color");
+ return el.querySelector(".other-property-value");
+ },
+ assertNodeInfo: function (nodeInfo) {
+ is(nodeInfo.type, VIEW_NODE_VALUE_TYPE);
+ is(nodeInfo.value.property, "color");
+ is(nodeInfo.value.value, "red");
+ }
+ },
+ {
+ desc: "Testing a matched rule stylesheet link",
+ getHoveredNode: function* (view) {
+ let el = yield getComputedViewMatchedRules(view, "color");
+ return el.querySelector(".rule-link .theme-link");
+ },
+ assertNodeInfo: function (nodeInfo) {
+ is(nodeInfo, null);
+ }
+ }
+];
+
+add_task(function* () {
+ yield addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+ let {inspector, view} = yield openComputedView();
+ yield selectNode("#testElement", inspector);
+
+ for (let {desc, getHoveredNode, assertNodeInfo} of TEST_DATA) {
+ info(desc);
+ let nodeInfo = view.getNodeInfo(yield getHoveredNode(view));
+ assertNodeInfo(nodeInfo);
+ }
+});
diff --git a/devtools/client/inspector/computed/test/browser_computed_keybindings_01.js b/devtools/client/inspector/computed/test/browser_computed_keybindings_01.js
new file mode 100644
index 000000000..199e125af
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_keybindings_01.js
@@ -0,0 +1,83 @@
+/* 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/ */
+
+"use strict";
+
+// Tests computed view key bindings.
+
+const TEST_URI = `
+ <style type="text/css">
+ .matches {
+ color: #F00;
+ }
+ </style>
+ <span class="matches">Some styled text</span>
+`;
+
+add_task(function* () {
+ yield addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+ let {inspector, view} = yield openComputedView();
+ yield selectNode(".matches", inspector);
+
+ let propView = getFirstVisiblePropertyView(view);
+ let rulesTable = propView.matchedSelectorsContainer;
+ let matchedExpander = propView.element;
+
+ info("Focusing the property");
+ matchedExpander.scrollIntoView();
+ let onMatchedExpanderFocus = once(matchedExpander, "focus", true);
+ EventUtils.synthesizeMouseAtCenter(matchedExpander, {}, view.styleWindow);
+ yield onMatchedExpanderFocus;
+
+ yield checkToggleKeyBinding(view.styleWindow, "VK_SPACE", rulesTable,
+ inspector);
+ yield checkToggleKeyBinding(view.styleWindow, "VK_RETURN", rulesTable,
+ inspector);
+ yield checkHelpLinkKeybinding(view);
+});
+
+function getFirstVisiblePropertyView(view) {
+ let propView = null;
+ view.propertyViews.some(p => {
+ if (p.visible) {
+ propView = p;
+ return true;
+ }
+ return false;
+ });
+
+ return propView;
+}
+
+function* checkToggleKeyBinding(win, key, rulesTable, inspector) {
+ info("Pressing " + key + " key a couple of times to check that the " +
+ "property gets expanded/collapsed");
+
+ let onExpand = inspector.once("computed-view-property-expanded");
+ let onCollapse = inspector.once("computed-view-property-collapsed");
+
+ info("Expanding the property");
+ EventUtils.synthesizeKey(key, {}, win);
+ yield onExpand;
+ isnot(rulesTable.innerHTML, "", "The property has been expanded");
+
+ info("Collapsing the property");
+ EventUtils.synthesizeKey(key, {}, win);
+ yield onCollapse;
+ is(rulesTable.innerHTML, "", "The property has been collapsed");
+}
+
+function checkHelpLinkKeybinding(view) {
+ info("Check that MDN link is opened on \"F1\"");
+ let def = defer();
+
+ let propView = getFirstVisiblePropertyView(view);
+ propView.mdnLinkClick = function (event) {
+ ok(true, "Pressing F1 opened the MDN link");
+ def.resolve();
+ };
+
+ EventUtils.synthesizeKey("VK_F1", {}, view.styleWindow);
+ return def.promise;
+}
diff --git a/devtools/client/inspector/computed/test/browser_computed_keybindings_02.js b/devtools/client/inspector/computed/test/browser_computed_keybindings_02.js
new file mode 100644
index 000000000..2a9220ec8
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_keybindings_02.js
@@ -0,0 +1,66 @@
+/* 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/ */
+
+"use strict";
+
+// Tests the computed-view keyboard navigation.
+
+const TEST_URI = `
+ <style type="text/css">
+ span {
+ font-variant: small-caps;
+ color: #000000;
+ }
+ .nomatches {
+ color: #ff0000;
+ }
+ </style>
+ <div id="first" style="margin: 10em;
+ font-size: 14pt; font-family: helvetica, sans-serif; color: #AAA">
+ <h1>Some header text</h1>
+ <p id="salutation" style="font-size: 12pt">hi.</p>
+ <p id="body" style="font-size: 12pt">I am a test-case. This text exists
+ solely to provide some things to <span style="color: yellow">
+ highlight</span> and <span style="font-weight: bold">count</span>
+ style list-items in the box at right. If you are reading this,
+ you should go do something else instead. Maybe read a book. Or better
+ yet, write some test-cases for another bit of code.
+ <span style="font-style: italic">some text</span></p>
+ <p id="closing">more text</p>
+ <p>even more text</p>
+ </div>
+`;
+
+add_task(function* () {
+ yield addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+ let {inspector, view} = yield openComputedView();
+ yield selectNode("span", inspector);
+
+ info("Selecting the first computed style in the list");
+ let firstStyle = view.styleDocument.querySelector(".property-view");
+ ok(firstStyle, "First computed style found in panel");
+ firstStyle.focus();
+
+ info("Tab to select the 2nd style and press return");
+ let onExpanded = inspector.once("computed-view-property-expanded");
+ EventUtils.synthesizeKey("VK_TAB", {});
+ EventUtils.synthesizeKey("VK_RETURN", {});
+ yield onExpanded;
+
+ info("Verify the 2nd style has been expanded");
+ let secondStyleSelectors = view.styleDocument.querySelectorAll(
+ ".property-content .matchedselectors")[1];
+ ok(secondStyleSelectors.childNodes.length > 0, "Matched selectors expanded");
+
+ info("Tab back up and test the same thing, with space");
+ onExpanded = inspector.once("computed-view-property-expanded");
+ EventUtils.synthesizeKey("VK_TAB", {shiftKey: true});
+ EventUtils.synthesizeKey("VK_SPACE", {});
+ yield onExpanded;
+
+ info("Verify the 1st style has been expanded too");
+ let firstStyleSelectors = view.styleDocument.querySelectorAll(
+ ".property-content .matchedselectors")[0];
+ ok(firstStyleSelectors.childNodes.length > 0, "Matched selectors expanded");
+});
diff --git a/devtools/client/inspector/computed/test/browser_computed_matched-selectors-toggle.js b/devtools/client/inspector/computed/test/browser_computed_matched-selectors-toggle.js
new file mode 100644
index 000000000..abbbb77be
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_matched-selectors-toggle.js
@@ -0,0 +1,104 @@
+/* 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/ */
+
+"use strict";
+
+// Tests that the computed view properties can be expanded and collapsed with
+// either the twisty or by dbl-clicking on the container.
+
+const TEST_URI = `
+ <style type="text/css"> ,
+ html { color: #000000; font-size: 15pt; }
+ h1 { color: red; }
+ </style>
+ <h1>Some header text</h1>
+`;
+
+add_task(function* () {
+ yield addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+ let {inspector, view} = yield openComputedView();
+ yield selectNode("h1", inspector);
+
+ yield testExpandOnTwistyClick(view, inspector);
+ yield testCollapseOnTwistyClick(view, inspector);
+ yield testExpandOnDblClick(view, inspector);
+ yield testCollapseOnDblClick(view, inspector);
+});
+
+function* testExpandOnTwistyClick({styleDocument, styleWindow}, inspector) {
+ info("Testing that a property expands on twisty click");
+
+ info("Getting twisty element");
+ let twisty = styleDocument.querySelector("#propertyContainer .expandable");
+ ok(twisty, "Twisty found");
+
+ let onExpand = inspector.once("computed-view-property-expanded");
+ info("Clicking on the twisty element");
+ twisty.click();
+
+ yield onExpand;
+
+ // Expanded means the matchedselectors div is not empty
+ let div = styleDocument.querySelector(".property-content .matchedselectors");
+ ok(div.childNodes.length > 0,
+ "Matched selectors are expanded on twisty click");
+}
+
+function* testCollapseOnTwistyClick({styleDocument, styleWindow}, inspector) {
+ info("Testing that a property collapses on twisty click");
+
+ info("Getting twisty element");
+ let twisty = styleDocument.querySelector("#propertyContainer .expandable");
+ ok(twisty, "Twisty found");
+
+ let onCollapse = inspector.once("computed-view-property-collapsed");
+ info("Clicking on the twisty element");
+ twisty.click();
+
+ yield onCollapse;
+
+ // Collapsed means the matchedselectors div is empty
+ let div = styleDocument.querySelector(".property-content .matchedselectors");
+ ok(div.childNodes.length === 0,
+ "Matched selectors are collapsed on twisty click");
+}
+
+function* testExpandOnDblClick({styleDocument, styleWindow}, inspector) {
+ info("Testing that a property expands on container dbl-click");
+
+ info("Getting computed property container");
+ let container = styleDocument.querySelector(".property-view");
+ ok(container, "Container found");
+
+ container.scrollIntoView();
+
+ let onExpand = inspector.once("computed-view-property-expanded");
+ info("Dbl-clicking on the container");
+ EventUtils.synthesizeMouseAtCenter(container, {clickCount: 2}, styleWindow);
+
+ yield onExpand;
+
+ // Expanded means the matchedselectors div is not empty
+ let div = styleDocument.querySelector(".property-content .matchedselectors");
+ ok(div.childNodes.length > 0, "Matched selectors are expanded on dblclick");
+}
+
+function* testCollapseOnDblClick({styleDocument, styleWindow}, inspector) {
+ info("Testing that a property collapses on container dbl-click");
+
+ info("Getting computed property container");
+ let container = styleDocument.querySelector(".property-view");
+ ok(container, "Container found");
+
+ let onCollapse = inspector.once("computed-view-property-collapsed");
+ info("Dbl-clicking on the container");
+ EventUtils.synthesizeMouseAtCenter(container, {clickCount: 2}, styleWindow);
+
+ yield onCollapse;
+
+ // Collapsed means the matchedselectors div is empty
+ let div = styleDocument.querySelector(".property-content .matchedselectors");
+ ok(div.childNodes.length === 0,
+ "Matched selectors are collapsed on dblclick");
+}
diff --git a/devtools/client/inspector/computed/test/browser_computed_matched-selectors_01.js b/devtools/client/inspector/computed/test/browser_computed_matched-selectors_01.js
new file mode 100644
index 000000000..66cabe7a9
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_matched-selectors_01.js
@@ -0,0 +1,40 @@
+/* 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/ */
+
+"use strict";
+
+// Checking selector counts, matched rules and titles in the computed-view.
+
+const {PropertyView} =
+ require("devtools/client/inspector/computed/computed");
+const TEST_URI = URL_ROOT + "doc_matched_selectors.html";
+
+add_task(function* () {
+ yield addTab(TEST_URI);
+ let {inspector, view} = yield openComputedView();
+
+ yield selectNode("#test", inspector);
+ yield testMatchedSelectors(view, inspector);
+});
+
+function* testMatchedSelectors(view, inspector) {
+ info("checking selector counts, matched rules and titles");
+
+ let nodeFront = yield getNodeFront("#test", inspector);
+ is(nodeFront, view._viewedElement,
+ "style inspector node matches the selected node");
+
+ let propertyView = new PropertyView(view, "color");
+ propertyView.buildMain();
+ propertyView.buildSelectorContainer();
+ propertyView.matchedExpanded = true;
+
+ yield propertyView.refreshMatchedSelectors();
+
+ let numMatchedSelectors = propertyView.matchedSelectors.length;
+ is(numMatchedSelectors, 6,
+ "CssLogic returns the correct number of matched selectors for div");
+ is(propertyView.hasMatchedSelectors, true,
+ "hasMatchedSelectors returns true");
+}
diff --git a/devtools/client/inspector/computed/test/browser_computed_matched-selectors_02.js b/devtools/client/inspector/computed/test/browser_computed_matched-selectors_02.js
new file mode 100644
index 000000000..43172d55f
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_matched-selectors_02.js
@@ -0,0 +1,41 @@
+/* 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/ */
+
+"use strict";
+
+// Tests for matched selector texts in the computed view.
+
+add_task(function* () {
+ yield addTab("data:text/html;charset=utf-8,<div style='color:blue;'></div>");
+ let {inspector, view} = yield openComputedView();
+ yield selectNode("div", inspector);
+
+ info("Checking the color property view");
+ let propertyView = getPropertyView(view, "color");
+ ok(propertyView, "found PropertyView for color");
+ is(propertyView.hasMatchedSelectors, true, "hasMatchedSelectors is true");
+
+ info("Expanding the matched selectors");
+ propertyView.matchedExpanded = true;
+ yield propertyView.refreshMatchedSelectors();
+
+ let span = propertyView.matchedSelectorsContainer
+ .querySelector("span.rule-text");
+ ok(span, "Found the first table row");
+
+ let selector = propertyView.matchedSelectorViews[0];
+ ok(selector, "Found the first matched selector view");
+});
+
+function getPropertyView(computedView, name) {
+ let propertyView = null;
+ computedView.propertyViews.some(function (view) {
+ if (view.name == name) {
+ propertyView = view;
+ return true;
+ }
+ return false;
+ });
+ return propertyView;
+}
diff --git a/devtools/client/inspector/computed/test/browser_computed_media-queries.js b/devtools/client/inspector/computed/test/browser_computed_media-queries.js
new file mode 100644
index 000000000..79cccb49b
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_media-queries.js
@@ -0,0 +1,36 @@
+/* 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/ */
+
+"use strict";
+
+// Tests that we correctly display appropriate media query titles in the
+// property view.
+
+const TEST_URI = URL_ROOT + "doc_media_queries.html";
+
+var {PropertyView} = require("devtools/client/inspector/computed/computed");
+
+add_task(function* () {
+ yield addTab(TEST_URI);
+ let {inspector, view} = yield openComputedView();
+ yield selectNode("div", inspector);
+ yield checkPropertyView(view);
+});
+
+function checkPropertyView(view) {
+ let propertyView = new PropertyView(view, "width");
+ propertyView.buildMain();
+ propertyView.buildSelectorContainer();
+ propertyView.matchedExpanded = true;
+
+ return propertyView.refreshMatchedSelectors().then(() => {
+ let numMatchedSelectors = propertyView.matchedSelectors.length;
+
+ is(numMatchedSelectors, 2,
+ "Property view has the correct number of matched selectors for div");
+
+ is(propertyView.hasMatchedSelectors, true,
+ "hasMatchedSelectors returns true");
+ });
+}
diff --git a/devtools/client/inspector/computed/test/browser_computed_no-results-placeholder.js b/devtools/client/inspector/computed/test/browser_computed_no-results-placeholder.js
new file mode 100644
index 000000000..b1371abd7
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_no-results-placeholder.js
@@ -0,0 +1,70 @@
+/* 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/ */
+
+"use strict";
+
+// Tests that the no results placeholder works properly.
+
+const TEST_URI = `
+ <style type="text/css">
+ .matches {
+ color: #F00;
+ }
+ </style>
+ <span id="matches" class="matches">Some styled text</span>
+`;
+
+add_task(function* () {
+ yield addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+ let {inspector, view} = yield openComputedView();
+ yield selectNode("#matches", inspector);
+
+ yield enterInvalidFilter(inspector, view);
+ checkNoResultsPlaceholderShown(view);
+
+ yield clearFilterText(inspector, view);
+ checkNoResultsPlaceholderHidden(view);
+});
+
+function* enterInvalidFilter(inspector, computedView) {
+ let searchbar = computedView.searchField;
+ let searchTerm = "xxxxx";
+
+ info("setting filter text to \"" + searchTerm + "\"");
+
+ let onRefreshed = inspector.once("computed-view-refreshed");
+ searchbar.focus();
+ synthesizeKeys(searchTerm, computedView.styleWindow);
+ yield onRefreshed;
+}
+
+function checkNoResultsPlaceholderShown(computedView) {
+ info("Checking that the no results placeholder is shown");
+
+ let placeholder = computedView.noResults;
+ let win = computedView.styleWindow;
+ let display = win.getComputedStyle(placeholder).display;
+ is(display, "block", "placeholder is visible");
+}
+
+function* clearFilterText(inspector, computedView) {
+ info("Clearing the filter text");
+
+ let searchbar = computedView.searchField;
+
+ let onRefreshed = inspector.once("computed-view-refreshed");
+ searchbar.focus();
+ searchbar.value = "";
+ EventUtils.synthesizeKey("c", {}, computedView.styleWindow);
+ yield onRefreshed;
+}
+
+function checkNoResultsPlaceholderHidden(computedView) {
+ info("Checking that the no results placeholder is hidden");
+
+ let placeholder = computedView.noResults;
+ let win = computedView.styleWindow;
+ let display = win.getComputedStyle(placeholder).display;
+ is(display, "none", "placeholder is hidden");
+}
diff --git a/devtools/client/inspector/computed/test/browser_computed_original-source-link.js b/devtools/client/inspector/computed/test/browser_computed_original-source-link.js
new file mode 100644
index 000000000..1bceed4e3
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_original-source-link.js
@@ -0,0 +1,73 @@
+/* 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/ */
+
+"use strict";
+
+// Tests that the computed view shows the original source link when source maps
+// are enabled.
+
+const TESTCASE_URI = URL_ROOT_SSL + "doc_sourcemaps.html";
+const PREF = "devtools.styleeditor.source-maps-enabled";
+const SCSS_LOC = "doc_sourcemaps.scss:4";
+const CSS_LOC = "doc_sourcemaps.css:1";
+
+add_task(function* () {
+ info("Turning the pref " + PREF + " on");
+ Services.prefs.setBoolPref(PREF, true);
+
+ yield addTab(TESTCASE_URI);
+ let {toolbox, inspector, view} = yield openComputedView();
+ yield selectNode("div", inspector);
+
+ info("Expanding the first property");
+ yield expandComputedViewPropertyByIndex(view, 0);
+
+ info("Verifying the link text");
+ // Forcing a call to updateSourceLink on the SelectorView here. The
+ // computed-view already does it, but we have no way of waiting for it to be
+ // done here, so just call it again and wait for the returned promise to
+ // resolve.
+ let propertyView = getComputedViewPropertyView(view, "color");
+ yield propertyView.matchedSelectorViews[0].updateSourceLink();
+ verifyLinkText(view, SCSS_LOC);
+
+ info("Toggling the pref");
+ let onLinksUpdated = inspector.once("computed-view-sourcelinks-updated");
+ Services.prefs.setBoolPref(PREF, false);
+ yield onLinksUpdated;
+
+ info("Verifying that the link text has changed after the pref change");
+ yield verifyLinkText(view, CSS_LOC);
+
+ info("Toggling the pref again");
+ onLinksUpdated = inspector.once("computed-view-sourcelinks-updated");
+ Services.prefs.setBoolPref(PREF, true);
+ yield onLinksUpdated;
+
+ info("Testing that clicking on the link works");
+ yield testClickingLink(toolbox, view);
+
+ info("Turning the pref " + PREF + " off");
+ Services.prefs.clearUserPref(PREF);
+});
+
+function* testClickingLink(toolbox, view) {
+ let onEditor = waitForStyleEditor(toolbox, "doc_sourcemaps.scss");
+
+ info("Clicking the computedview stylesheet link");
+ let link = getComputedViewLinkByIndex(view, 0);
+ link.scrollIntoView();
+ link.click();
+
+ let editor = yield onEditor;
+
+ let {line} = editor.sourceEditor.getCursor();
+ is(line, 3, "cursor is at correct line number in original source");
+}
+
+function verifyLinkText(view, text) {
+ let link = getComputedViewLinkByIndex(view, 0);
+ is(link.textContent, text,
+ "Linked text changed to display the correct location");
+}
diff --git a/devtools/client/inspector/computed/test/browser_computed_pseudo-element_01.js b/devtools/client/inspector/computed/test/browser_computed_pseudo-element_01.js
new file mode 100644
index 000000000..9ca5451a5
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_pseudo-element_01.js
@@ -0,0 +1,39 @@
+/* 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/ */
+
+"use strict";
+
+// Tests that pseudoelements are displayed correctly in the rule view.
+
+const TEST_URI = URL_ROOT + "doc_pseudoelement.html";
+
+add_task(function* () {
+ yield addTab(TEST_URI);
+ let {inspector, view} = yield openComputedView();
+ yield testTopLeft(inspector, view);
+});
+
+function* testTopLeft(inspector, view) {
+ let node = yield getNodeFront("#topleft", inspector.markup);
+ yield selectNode(node, inspector);
+ let float = getComputedViewPropertyValue(view, "float");
+ is(float, "left", "The computed view shows the correct float");
+
+ let children = yield inspector.markup.walker.children(node);
+ is(children.nodes.length, 3, "Element has correct number of children");
+
+ let beforeElement = children.nodes[0];
+ yield selectNode(beforeElement, inspector);
+ let top = getComputedViewPropertyValue(view, "top");
+ is(top, "0px", "The computed view shows the correct top");
+ let left = getComputedViewPropertyValue(view, "left");
+ is(left, "0px", "The computed view shows the correct left");
+
+ let afterElement = children.nodes[children.nodes.length - 1];
+ yield selectNode(afterElement, inspector);
+ top = getComputedViewPropertyValue(view, "top");
+ is(top, "50%", "The computed view shows the correct top");
+ left = getComputedViewPropertyValue(view, "left");
+ is(left, "50%", "The computed view shows the correct left");
+}
diff --git a/devtools/client/inspector/computed/test/browser_computed_refresh-on-style-change_01.js b/devtools/client/inspector/computed/test/browser_computed_refresh-on-style-change_01.js
new file mode 100644
index 000000000..43f210307
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_refresh-on-style-change_01.js
@@ -0,0 +1,30 @@
+/* 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/ */
+
+"use strict";
+
+// Tests that the computed view refreshes when the current node has its style
+// changed.
+
+const TEST_URI = "<div id='testdiv' style='font-size:10px;'>Test div!</div>";
+
+add_task(function* () {
+ yield addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+ let {inspector, view, testActor} = yield openComputedView();
+ yield selectNode("#testdiv", inspector);
+
+ let fontSize = getComputedViewPropertyValue(view, "font-size");
+ is(fontSize, "10px", "The computed view shows the right font-size");
+
+ info("Changing the node's style and waiting for the update");
+ let onUpdated = inspector.once("computed-view-refreshed");
+ yield testActor.setAttribute("#testdiv", "style",
+ "font-size: 15px; color: red;");
+ yield onUpdated;
+
+ fontSize = getComputedViewPropertyValue(view, "font-size");
+ is(fontSize, "15px", "The computed view shows the updated font-size");
+ let color = getComputedViewPropertyValue(view, "color");
+ is(color, "rgb(255, 0, 0)", "The computed view also shows the color now");
+});
diff --git a/devtools/client/inspector/computed/test/browser_computed_search-filter.js b/devtools/client/inspector/computed/test/browser_computed_search-filter.js
new file mode 100644
index 000000000..10ba82293
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_search-filter.js
@@ -0,0 +1,66 @@
+/* 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/ */
+
+"use strict";
+
+// Tests that the search filter works properly.
+
+const TEST_URI = `
+ <style type="text/css">
+ .matches {
+ color: #F00;
+ }
+ </style>
+ <span id="matches" class="matches">Some styled text</span>
+`;
+
+add_task(function* () {
+ yield addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+ let {inspector, view} = yield openComputedView();
+ yield selectNode("#matches", inspector);
+ yield testToggleDefaultStyles(inspector, view);
+ yield testAddTextInFilter(inspector, view);
+});
+
+function* testToggleDefaultStyles(inspector, computedView) {
+ info("checking \"Browser styles\" checkbox");
+ let checkbox = computedView.includeBrowserStylesCheckbox;
+ let onRefreshed = inspector.once("computed-view-refreshed");
+ checkbox.click();
+ yield onRefreshed;
+}
+
+function* testAddTextInFilter(inspector, computedView) {
+ info("setting filter text to \"color\"");
+ let doc = computedView.styleDocument;
+ let boxModelWrapper = doc.querySelector("#boxmodel-wrapper");
+ let searchField = computedView.searchField;
+ let onRefreshed = inspector.once("computed-view-refreshed");
+ let win = computedView.styleWindow;
+
+ // First check to make sure that accel + F doesn't focus search if the
+ // container isn't focused
+ inspector.panelWin.focus();
+ EventUtils.synthesizeKey("f", { accelKey: true });
+ isnot(inspector.panelDoc.activeElement, searchField,
+ "Search field isn't focused");
+
+ computedView.element.focus();
+ EventUtils.synthesizeKey("f", { accelKey: true });
+ is(inspector.panelDoc.activeElement, searchField, "Search field is focused");
+
+ synthesizeKeys("color", win);
+ yield onRefreshed;
+
+ ok(boxModelWrapper.hidden, "Box model is hidden");
+
+ info("check that the correct properties are visible");
+
+ let propertyViews = computedView.propertyViews;
+ propertyViews.forEach(propView => {
+ let name = propView.name;
+ is(propView.visible, name.indexOf("color") > -1,
+ "span " + name + " property visibility check");
+ });
+}
diff --git a/devtools/client/inspector/computed/test/browser_computed_search-filter_clear.js b/devtools/client/inspector/computed/test/browser_computed_search-filter_clear.js
new file mode 100644
index 000000000..bd989854f
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_search-filter_clear.js
@@ -0,0 +1,71 @@
+/* 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/ */
+
+"use strict";
+
+// Tests that the search filter clear button works properly.
+
+const TEST_URI = `
+ <style type="text/css">
+ .matches {
+ color: #F00;
+ background-color: #00F;
+ border-color: #0F0;
+ }
+ </style>
+ <span id="matches" class="matches">Some styled text</span>
+`;
+
+add_task(function* () {
+ yield addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+ let {inspector, view} = yield openComputedView();
+ yield selectNode("#matches", inspector);
+ yield testAddTextInFilter(inspector, view);
+ yield testClearSearchFilter(inspector, view);
+});
+
+function* testAddTextInFilter(inspector, computedView) {
+ info("Setting filter text to \"background-color\"");
+
+ let win = computedView.styleWindow;
+ let propertyViews = computedView.propertyViews;
+ let searchField = computedView.searchField;
+
+ searchField.focus();
+ synthesizeKeys("background-color", win);
+ yield inspector.once("computed-view-refreshed");
+
+ info("Check that the correct properties are visible");
+
+ propertyViews.forEach((propView) => {
+ let name = propView.name;
+ is(propView.visible, name.indexOf("background-color") > -1,
+ "span " + name + " property visibility check");
+ });
+}
+
+function* testClearSearchFilter(inspector, computedView) {
+ info("Clearing the search filter");
+
+ let win = computedView.styleWindow;
+ let doc = computedView.styleDocument;
+ let boxModelWrapper = doc.querySelector("#boxmodel-wrapper");
+ let propertyViews = computedView.propertyViews;
+ let searchField = computedView.searchField;
+ let searchClearButton = computedView.searchClearButton;
+ let onRefreshed = inspector.once("computed-view-refreshed");
+
+ EventUtils.synthesizeMouseAtCenter(searchClearButton, {}, win);
+ yield onRefreshed;
+
+ ok(!boxModelWrapper.hidden, "Box model is displayed");
+
+ info("Check that the correct properties are visible");
+
+ ok(!searchField.value, "Search filter is cleared");
+ propertyViews.forEach((propView) => {
+ is(propView.visible, propView.hasMatchedSelectors,
+ "span " + propView.name + " property visibility check");
+ });
+}
diff --git a/devtools/client/inspector/computed/test/browser_computed_search-filter_context-menu.js b/devtools/client/inspector/computed/test/browser_computed_search-filter_context-menu.js
new file mode 100644
index 000000000..b5dbe4475
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_search-filter_context-menu.js
@@ -0,0 +1,84 @@
+/* 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/ */
+
+"use strict";
+
+// Tests computed view search filter context menu works properly.
+
+const TEST_INPUT = "h1";
+
+const TEST_URI = "<h1>test filter context menu</h1>";
+
+add_task(function* () {
+ yield addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+ let {toolbox, inspector, view} = yield openComputedView();
+ yield selectNode("h1", inspector);
+
+ let win = view.styleWindow;
+ let searchField = view.searchField;
+ let searchContextMenu = toolbox.textBoxContextMenuPopup;
+ ok(searchContextMenu,
+ "The search filter context menu is loaded in the computed view");
+
+ let cmdUndo = searchContextMenu.querySelector("[command=cmd_undo]");
+ let cmdDelete = searchContextMenu.querySelector("[command=cmd_delete]");
+ let cmdSelectAll = searchContextMenu.querySelector("[command=cmd_selectAll]");
+ let cmdCut = searchContextMenu.querySelector("[command=cmd_cut]");
+ let cmdCopy = searchContextMenu.querySelector("[command=cmd_copy]");
+ let cmdPaste = searchContextMenu.querySelector("[command=cmd_paste]");
+
+ info("Opening context menu");
+
+ emptyClipboard();
+
+ let onFocus = once(searchField, "focus");
+ searchField.focus();
+ yield onFocus;
+
+ let onContextMenuPopup = once(searchContextMenu, "popupshowing");
+ EventUtils.synthesizeMouse(searchField, 2, 2,
+ {type: "contextmenu", button: 2}, win);
+ yield onContextMenuPopup;
+
+ is(cmdUndo.getAttribute("disabled"), "true", "cmdUndo is disabled");
+ is(cmdDelete.getAttribute("disabled"), "true", "cmdDelete is disabled");
+ is(cmdSelectAll.getAttribute("disabled"), "true", "cmdSelectAll is disabled");
+
+ // Cut/Copy items are enabled in context menu even if there
+ // is no selection. See also Bug 1303033
+ is(cmdCut.getAttribute("disabled"), "", "cmdCut is enabled");
+ is(cmdCopy.getAttribute("disabled"), "", "cmdCopy is enabled");
+
+ if (isWindows()) {
+ // emptyClipboard only works on Windows (666254), assert paste only for this OS.
+ is(cmdPaste.getAttribute("disabled"), "true", "cmdPaste is disabled");
+ }
+
+ info("Closing context menu");
+ let onContextMenuHidden = once(searchContextMenu, "popuphidden");
+ searchContextMenu.hidePopup();
+ yield onContextMenuHidden;
+
+ info("Copy text in search field using the context menu");
+ searchField.value = TEST_INPUT;
+ searchField.select();
+ EventUtils.synthesizeMouse(searchField, 2, 2,
+ {type: "contextmenu", button: 2}, win);
+ yield onContextMenuPopup;
+ yield waitForClipboardPromise(() => cmdCopy.click(), TEST_INPUT);
+ searchContextMenu.hidePopup();
+ yield onContextMenuHidden;
+
+ info("Reopen context menu and check command properties");
+ EventUtils.synthesizeMouse(searchField, 2, 2,
+ {type: "contextmenu", button: 2}, win);
+ yield onContextMenuPopup;
+
+ is(cmdUndo.getAttribute("disabled"), "", "cmdUndo is enabled");
+ is(cmdDelete.getAttribute("disabled"), "", "cmdDelete is enabled");
+ is(cmdSelectAll.getAttribute("disabled"), "", "cmdSelectAll is enabled");
+ is(cmdCut.getAttribute("disabled"), "", "cmdCut is enabled");
+ is(cmdCopy.getAttribute("disabled"), "", "cmdCopy is enabled");
+ is(cmdPaste.getAttribute("disabled"), "", "cmdPaste is enabled");
+});
diff --git a/devtools/client/inspector/computed/test/browser_computed_search-filter_escape-keypress.js b/devtools/client/inspector/computed/test/browser_computed_search-filter_escape-keypress.js
new file mode 100644
index 000000000..e52e2cc89
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_search-filter_escape-keypress.js
@@ -0,0 +1,75 @@
+/* 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/ */
+
+"use strict";
+
+// Avoid test timeouts on Linux debug builds where the test takes just a bit too long to
+// run (see bug 1258081).
+requestLongerTimeout(2);
+
+// Tests that search filter escape keypress will clear the search field.
+
+const TEST_URI = `
+ <style type="text/css">
+ .matches {
+ color: #F00;
+ }
+ </style>
+ <span id="matches" class="matches">Some styled text</span>
+`;
+
+add_task(function* () {
+ yield addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+ let {inspector, view} = yield openComputedView();
+ yield selectNode("#matches", inspector);
+ yield testAddTextInFilter(inspector, view);
+ yield testEscapeKeypress(inspector, view);
+});
+
+function* testAddTextInFilter(inspector, computedView) {
+ info("Setting filter text to \"background-color\"");
+
+ let win = computedView.styleWindow;
+ let propertyViews = computedView.propertyViews;
+ let searchField = computedView.searchField;
+ let checkbox = computedView.includeBrowserStylesCheckbox;
+
+ info("Include browser styles");
+ checkbox.click();
+ yield inspector.once("computed-view-refreshed");
+
+ searchField.focus();
+ synthesizeKeys("background-color", win);
+ yield inspector.once("computed-view-refreshed");
+
+ info("Check that the correct properties are visible");
+
+ propertyViews.forEach((propView) => {
+ let name = propView.name;
+ is(propView.visible, name.indexOf("background-color") > -1,
+ "span " + name + " property visibility check");
+ });
+}
+
+function* testEscapeKeypress(inspector, computedView) {
+ info("Pressing the escape key on search filter");
+
+ let win = computedView.styleWindow;
+ let propertyViews = computedView.propertyViews;
+ let searchField = computedView.searchField;
+ let onRefreshed = inspector.once("computed-view-refreshed");
+
+ searchField.focus();
+ EventUtils.synthesizeKey("VK_ESCAPE", {}, win);
+ yield onRefreshed;
+
+ info("Check that the correct properties are visible");
+
+ ok(!searchField.value, "Search filter is cleared");
+ propertyViews.forEach((propView) => {
+ let name = propView.name;
+ is(propView.visible, true,
+ "span " + name + " property is visible");
+ });
+}
diff --git a/devtools/client/inspector/computed/test/browser_computed_search-filter_noproperties.js b/devtools/client/inspector/computed/test/browser_computed_search-filter_noproperties.js
new file mode 100644
index 000000000..99ee6d58a
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_search-filter_noproperties.js
@@ -0,0 +1,61 @@
+/* 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/ */
+
+"use strict";
+
+// Tests that the "no-results" message is displayed when selecting an invalid element or
+// when all properties have been filtered out.
+
+const TEST_URI = `
+ <style type="text/css">
+ .matches {
+ color: #F00;
+ background-color: #00F;
+ border-color: #0F0;
+ }
+ </style>
+ <div>
+ <!-- comment node -->
+ <span id="matches" class="matches">Some styled text</span>
+ </div>
+`;
+
+add_task(function* () {
+ yield addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+ let {inspector, view} = yield openComputedView();
+ let propertyViews = view.propertyViews;
+
+ info("Select the #matches node");
+ let matchesNode = yield getNodeFront("#matches", inspector);
+ let onRefresh = inspector.once("computed-view-refreshed");
+ yield selectNode(matchesNode, inspector);
+ yield onRefresh;
+
+ ok(propertyViews.filter(p => p.visible).length > 0, "CSS properties are displayed");
+ ok(view.noResults.hasAttribute("hidden"), "no-results message is hidden");
+
+ info("Select a comment node");
+ let commentNode = yield inspector.walker.previousSibling(matchesNode);
+ yield selectNode(commentNode, inspector);
+
+ is(propertyViews.filter(p => p.visible).length, 0, "No properties displayed");
+ ok(!view.noResults.hasAttribute("hidden"), "no-results message is displayed");
+
+ info("Select the #matches node again");
+ onRefresh = inspector.once("computed-view-refreshed");
+ yield selectNode(matchesNode, inspector);
+ yield onRefresh;
+
+ ok(propertyViews.filter(p => p.visible).length > 0, "CSS properties are displayed");
+ ok(view.noResults.hasAttribute("hidden"), "no-results message is hidden");
+
+ info("Filter by 'will-not-match' and check the no-results message is displayed");
+ let searchField = view.searchField;
+ searchField.focus();
+ synthesizeKeys("will-not-match", view.styleWindow);
+ yield inspector.once("computed-view-refreshed");
+
+ is(propertyViews.filter(p => p.visible).length, 0, "No properties displayed");
+ ok(!view.noResults.hasAttribute("hidden"), "no-results message is displayed");
+});
diff --git a/devtools/client/inspector/computed/test/browser_computed_select-and-copy-styles.js b/devtools/client/inspector/computed/test/browser_computed_select-and-copy-styles.js
new file mode 100644
index 000000000..ce8be59ad
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_select-and-copy-styles.js
@@ -0,0 +1,118 @@
+/* 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/ */
+
+"use strict";
+
+// Tests that properties can be selected and copied from the computed view.
+
+const osString = Services.appinfo.OS;
+
+const TEST_URI = `
+ <style type="text/css">
+ span {
+ font-variant-caps: small-caps;
+ color: #000000;
+ }
+ .nomatches {
+ color: #ff0000;
+ }
+ </style>
+ <div id="first" style="margin: 10em;
+ font-size: 14pt; font-family: helvetica, sans-serif; color: #AAA">
+ <h1>Some header text</h1>
+ <p id="salutation" style="font-size: 12pt">hi.</p>
+ <p id="body" style="font-size: 12pt">I am a test-case. This text exists
+ solely to provide some things to <span style="color: yellow">
+ highlight</span> and <span style="font-weight: bold">count</span>
+ style list-items in the box at right. If you are reading this,
+ you should go do something else instead. Maybe read a book. Or better
+ yet, write some test-cases for another bit of code.
+ <span style="font-style: italic">some text</span></p>
+ <p id="closing">more text</p>
+ <p>even more text</p>
+ </div>
+`;
+
+add_task(function* () {
+ yield addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));
+ let {inspector, view} = yield openComputedView();
+ yield selectNode("span", inspector);
+ yield checkCopySelection(view);
+ yield checkSelectAll(view);
+});
+
+function* checkCopySelection(view) {
+ info("Testing selection copy");
+
+ let contentDocument = view.styleDocument;
+ let props = contentDocument.querySelectorAll(".property-view");
+ ok(props, "captain, we have the property-view nodes");
+
+ let range = contentDocument.createRange();
+ range.setStart(props[1], 0);
+ range.setEnd(props[3], 2);
+ contentDocument.defaultView.getSelection().addRange(range);
+
+ info("Checking that cssHtmlTree.siBoundCopy() returns the correct " +
+ "clipboard value");
+
+ let expectedPattern = "font-family: helvetica,sans-serif;[\\r\\n]+" +
+ "font-size: 16px;[\\r\\n]+" +
+ "font-variant-caps: small-caps;[\\r\\n]*";
+
+ try {
+ yield waitForClipboardPromise(() => fireCopyEvent(props[0]),
+ () => checkClipboardData(expectedPattern));
+ } catch (e) {
+ failedClipboard(expectedPattern);
+ }
+}
+
+function* checkSelectAll(view) {
+ info("Testing select-all copy");
+
+ let contentDoc = view.styleDocument;
+ let prop = contentDoc.querySelector(".property-view");
+
+ info("Checking that _onSelectAll() then copy returns the correct " +
+ "clipboard value");
+ view._contextmenu._onSelectAll();
+ let expectedPattern = "color: rgb\\(255, 255, 0\\);[\\r\\n]+" +
+ "font-family: helvetica,sans-serif;[\\r\\n]+" +
+ "font-size: 16px;[\\r\\n]+" +
+ "font-variant-caps: small-caps;[\\r\\n]*";
+
+ try {
+ yield waitForClipboardPromise(() => fireCopyEvent(prop),
+ () => checkClipboardData(expectedPattern));
+ } catch (e) {
+ failedClipboard(expectedPattern);
+ }
+}
+
+function checkClipboardData(expectedPattern) {
+ let actual = SpecialPowers.getClipboardData("text/unicode");
+ let expectedRegExp = new RegExp(expectedPattern, "g");
+ return expectedRegExp.test(actual);
+}
+
+function failedClipboard(expectedPattern) {
+ // Format expected text for comparison
+ let terminator = osString == "WINNT" ? "\r\n" : "\n";
+ expectedPattern = expectedPattern.replace(/\[\\r\\n\][+*]/g, terminator);
+ expectedPattern = expectedPattern.replace(/\\\(/g, "(");
+ expectedPattern = expectedPattern.replace(/\\\)/g, ")");
+
+ let actual = SpecialPowers.getClipboardData("text/unicode");
+
+ // Trim the right hand side of our strings. This is because expectedPattern
+ // accounts for windows sometimes adding a newline to our copied data.
+ expectedPattern = expectedPattern.trimRight();
+ actual = actual.trimRight();
+
+ dump("TEST-UNEXPECTED-FAIL | Clipboard text does not match expected ... " +
+ "results (escaped for accurate comparison):\n");
+ info("Actual: " + escape(actual));
+ info("Expected: " + escape(expectedPattern));
+}
diff --git a/devtools/client/inspector/computed/test/browser_computed_style-editor-link.js b/devtools/client/inspector/computed/test/browser_computed_style-editor-link.js
new file mode 100644
index 000000000..6a95fd83f
--- /dev/null
+++ b/devtools/client/inspector/computed/test/browser_computed_style-editor-link.js
@@ -0,0 +1,142 @@
+/* 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/ */
+
+"use strict";
+
+// Whitelisting this test.
+// As part of bug 1077403, the leaking uncaught rejection should be fixed.
+thisTestLeaksUncaughtRejectionsAndShouldBeFixed("Error: Unknown sheet source");
+
+// Tests the links from the computed view to the style editor.
+
+const STYLESHEET_URL = "data:text/css," + encodeURIComponent(
+ ".highlight {color: blue}");
+
+const DOCUMENT_URL = "data:text/html;charset=utf-8," + encodeURIComponent(
+ `<html>
+ <head>
+ <title>Computed view style editor link test</title>
+ <style type="text/css">
+ html { color: #000000; }
+ span { font-variant: small-caps; color: #000000; }
+ .nomatches {color: #ff0000;}</style> <div id="first" style="margin: 10em;
+ font-size: 14pt; font-family: helvetica, sans-serif; color: #AAA">
+ </style>
+ <style>
+ div { color: #f06; }
+ </style>
+ <link rel="stylesheet" type="text/css" href="${STYLESHEET_URL}">
+ </head>
+ <body>
+ <h1>Some header text</h1>
+ <p id="salutation" style="font-size: 12pt">hi.</p>
+ <p id="body" style="font-size: 12pt">I am a test-case. This text exists
+ solely to provide some things to
+ <span style="color: yellow" class="highlight">
+ highlight</span> and <span style="font-weight: bold">count</span>
+ style list-items in the box at right. If you are reading this,
+ you should go do something else instead. Maybe read a book. Or better
+ yet, write some test-cases for another bit of code.
+ <span style="font-style: italic">some text</span></p>
+ <p id="closing">more text</p>
+ <p>even more text</p>
+ </div>
+ </body>
+ </html>`);
+
+add_task(function* () {
+ yield addTab(DOCUMENT_URL);
+ let {toolbox, inspector, view, testActor} = yield openComputedView();
+ yield selectNode("span", inspector);
+
+ yield testInlineStyle(view);
+ yield testFirstInlineStyleSheet(view, toolbox, testActor);
+ yield testSecondInlineStyleSheet(view, toolbox, testActor);
+ yield testExternalStyleSheet(view, toolbox, testActor);
+});
+
+function* testInlineStyle(view) {
+ info("Testing inline style");
+
+ yield expandComputedViewPropertyByIndex(view, 0);
+
+ let onTab = waitForTab();
+ info("Clicking on the first rule-link in the computed-view");
+ clickLinkByIndex(view, 0);
+
+ let tab = yield onTab;
+
+ let tabURI = tab.linkedBrowser.documentURI.spec;
+ ok(tabURI.startsWith("view-source:"), "View source tab is open");
+ info("Closing tab");
+ gBrowser.removeTab(tab);
+}
+
+function* testFirstInlineStyleSheet(view, toolbox, testActor) {
+ info("Testing inline stylesheet");
+
+ info("Listening for toolbox switch to the styleeditor");
+ let onSwitch = waitForStyleEditor(toolbox);
+
+ info("Clicking an inline stylesheet");
+ clickLinkByIndex(view, 2);
+ let editor = yield onSwitch;
+
+ ok(true, "Switched to the style-editor panel in the toolbox");
+
+ yield validateStyleEditorSheet(editor, 0, testActor);
+}
+
+function* testSecondInlineStyleSheet(view, toolbox, testActor) {
+ info("Testing second inline stylesheet");
+
+ info("Waiting for the stylesheet editor to be selected");
+ let panel = toolbox.getCurrentPanel();
+ let onSelected = panel.UI.once("editor-selected");
+
+ info("Switching back to the inspector panel in the toolbox");
+ yield toolbox.selectTool("inspector");
+
+ info("Clicking on second inline stylesheet link");
+ clickLinkByIndex(view, 4);
+ let editor = yield onSelected;
+
+ is(toolbox.currentToolId, "styleeditor",
+ "The style editor is selected again");
+ yield validateStyleEditorSheet(editor, 1, testActor);
+}
+
+function* testExternalStyleSheet(view, toolbox, testActor) {
+ info("Testing external stylesheet");
+
+ info("Waiting for the stylesheet editor to be selected");
+ let panel = toolbox.getCurrentPanel();
+ let onSelected = panel.UI.once("editor-selected");
+
+ info("Switching back to the inspector panel in the toolbox");
+ yield toolbox.selectTool("inspector");
+
+ info("Clicking on an external stylesheet link");
+ clickLinkByIndex(view, 1);
+ let editor = yield onSelected;
+
+ is(toolbox.currentToolId, "styleeditor",
+ "The style editor is selected again");
+ yield validateStyleEditorSheet(editor, 2, testActor);
+}
+
+function* validateStyleEditorSheet(editor, expectedSheetIndex, testActor) {
+ info("Validating style editor stylesheet");
+ let expectedHref = yield testActor.eval(`
+ document.styleSheets[${expectedSheetIndex}].href;
+ `);
+ is(editor.styleSheet.href, expectedHref,
+ "loaded stylesheet matches document stylesheet");
+}
+
+function clickLinkByIndex(view, index) {
+ let link = getComputedViewLinkByIndex(view, index);
+ link.scrollIntoView();
+ link.click();
+}
diff --git a/devtools/client/inspector/computed/test/doc_matched_selectors.html b/devtools/client/inspector/computed/test/doc_matched_selectors.html
new file mode 100644
index 000000000..8fe007409
--- /dev/null
+++ b/devtools/client/inspector/computed/test/doc_matched_selectors.html
@@ -0,0 +1,28 @@
+<!-- Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ -->
+<html>
+ <head>
+ <style>
+ .matched1, .matched2, .matched3, .matched4, .matched5 {
+ color: #000;
+ }
+
+ div {
+ position: absolute;
+ top: 40px;
+ left: 20px;
+ border: 1px solid #000;
+ color: #111;
+ width: 100px;
+ height: 50px;
+ }
+ </style>
+ </head>
+ <body>
+ inspectstyle($("test"));
+ <div id="test" class="matched1 matched2 matched3 matched4 matched5">Test div</div>
+ <div id="dummy">
+ <div></div>
+ </div>
+ </body>
+</html>
diff --git a/devtools/client/inspector/computed/test/doc_media_queries.html b/devtools/client/inspector/computed/test/doc_media_queries.html
new file mode 100644
index 000000000..819e1ea7a
--- /dev/null
+++ b/devtools/client/inspector/computed/test/doc_media_queries.html
@@ -0,0 +1,21 @@
+<html>
+<head>
+ <title>test</title>
+ <style>
+ div {
+ width: 1000px;
+ height: 100px;
+ background-color: #f00;
+ }
+
+ @media screen and (min-width: 1px) {
+ div {
+ width: 200px;
+ }
+ }
+ </style>
+</head>
+<body>
+<div></div>
+</body>
+</html>
diff --git a/devtools/client/inspector/computed/test/doc_pseudoelement.html b/devtools/client/inspector/computed/test/doc_pseudoelement.html
new file mode 100644
index 000000000..6145d4bf1
--- /dev/null
+++ b/devtools/client/inspector/computed/test/doc_pseudoelement.html
@@ -0,0 +1,131 @@
+<!-- Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ -->
+<html>
+ <head>
+ <style>
+
+body {
+ color: #333;
+}
+
+.box {
+ float:left;
+ width: 128px;
+ height: 128px;
+ background: #ddd;
+ padding: 32px;
+ margin: 32px;
+ position:relative;
+}
+
+.box:first-line {
+ color: orange;
+ background: red;
+}
+
+.box:first-letter {
+ color: green;
+}
+
+* {
+ cursor: default;
+}
+
+nothing {
+ cursor: pointer;
+}
+
+p::-moz-selection {
+ color: white;
+ background: black;
+}
+p::selection {
+ color: white;
+ background: black;
+}
+
+p:first-line {
+ background: blue;
+}
+p:first-letter {
+ color: red;
+ font-size: 130%;
+}
+
+.box:before {
+ background: green;
+ content: " ";
+ position: absolute;
+ height:32px;
+ width:32px;
+}
+
+.box:after {
+ background: red;
+ content: " ";
+ position: absolute;
+ border-radius: 50%;
+ height:32px;
+ width:32px;
+ top: 50%;
+ left: 50%;
+ margin-top: -16px;
+ margin-left: -16px;
+}
+
+.topleft:before {
+ top:0;
+ left:0;
+}
+
+.topleft:first-line {
+ color: orange;
+}
+.topleft::selection {
+ color: orange;
+}
+
+.topright:before {
+ top:0;
+ right:0;
+}
+
+.bottomright:before {
+ bottom:10px;
+ right:10px;
+ color: red;
+}
+
+.bottomright:before {
+ bottom:0;
+ right:0;
+}
+
+.bottomleft:before {
+ bottom:0;
+ left:0;
+}
+
+ </style>
+ </head>
+ <body>
+ <h1>ruleview pseudoelement($("test"));</h1>
+
+ <div id="topleft" class="box topleft">
+ <p>Top Left<br />Position</p>
+ </div>
+
+ <div id="topright" class="box topright">
+ <p>Top Right<br />Position</p>
+ </div>
+
+ <div id="bottomright" class="box bottomright">
+ <p>Bottom Right<br />Position</p>
+ </div>
+
+ <div id="bottomleft" class="box bottomleft">
+ <p>Bottom Left<br />Position</p>
+ </div>
+
+ </body>
+</html>
diff --git a/devtools/client/inspector/computed/test/doc_sourcemaps.css b/devtools/client/inspector/computed/test/doc_sourcemaps.css
new file mode 100644
index 000000000..a9b437a40
--- /dev/null
+++ b/devtools/client/inspector/computed/test/doc_sourcemaps.css
@@ -0,0 +1,7 @@
+div {
+ color: #ff0066; }
+
+span {
+ background-color: #EEE; }
+
+/*# sourceMappingURL=doc_sourcemaps.css.map */ \ No newline at end of file
diff --git a/devtools/client/inspector/computed/test/doc_sourcemaps.css.map b/devtools/client/inspector/computed/test/doc_sourcemaps.css.map
new file mode 100644
index 000000000..0f7486fd9
--- /dev/null
+++ b/devtools/client/inspector/computed/test/doc_sourcemaps.css.map
@@ -0,0 +1,7 @@
+{
+"version": 3,
+"mappings": "AAGA,GAAI;EACF,KAAK,EAHU,OAAI;;AAMrB,IAAK;EACH,gBAAgB,EAAE,IAAI",
+"sources": ["doc_sourcemaps.scss"],
+"names": [],
+"file": "doc_sourcemaps.css"
+}
diff --git a/devtools/client/inspector/computed/test/doc_sourcemaps.html b/devtools/client/inspector/computed/test/doc_sourcemaps.html
new file mode 100644
index 000000000..0014e55fe
--- /dev/null
+++ b/devtools/client/inspector/computed/test/doc_sourcemaps.html
@@ -0,0 +1,11 @@
+<!doctype html>
+<html>
+<head>
+ <title>testcase for testing CSS source maps</title>
+ <link rel="stylesheet" type="text/css" href="simple.css"/>
+ <link rel="stylesheet" type="text/css" href="doc_sourcemaps.css"/>
+</head>
+<body>
+ <div>source maps <span>testcase</span></div>
+</body>
+</html>
diff --git a/devtools/client/inspector/computed/test/doc_sourcemaps.scss b/devtools/client/inspector/computed/test/doc_sourcemaps.scss
new file mode 100644
index 000000000..0ff6c471b
--- /dev/null
+++ b/devtools/client/inspector/computed/test/doc_sourcemaps.scss
@@ -0,0 +1,10 @@
+
+$paulrougetpink: #f06;
+
+div {
+ color: $paulrougetpink;
+}
+
+span {
+ background-color: #EEE;
+} \ No newline at end of file
diff --git a/devtools/client/inspector/computed/test/head.js b/devtools/client/inspector/computed/test/head.js
new file mode 100644
index 000000000..17c47be1a
--- /dev/null
+++ b/devtools/client/inspector/computed/test/head.js
@@ -0,0 +1,157 @@
+/* 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];
+}