gecko-dev/devtools/client/inspector/inspector.js

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70 KiB
JavaScript

/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set ft=javascript 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/. */
/* global window, BrowserLoader */
"use strict";
var Services = require("Services");
var promise = require("promise");
var defer = require("devtools/shared/defer");
var EventEmitter = require("devtools/shared/event-emitter");
const {executeSoon} = require("devtools/shared/DevToolsUtils");
var KeyShortcuts = require("devtools/client/shared/key-shortcuts");
var {Task} = require("devtools/shared/task");
const {initCssProperties} = require("devtools/shared/fronts/css-properties");
const nodeConstants = require("devtools/shared/dom-node-constants");
const Telemetry = require("devtools/client/shared/telemetry");
const Menu = require("devtools/client/framework/menu");
const MenuItem = require("devtools/client/framework/menu-item");
const {HTMLBreadcrumbs} = require("devtools/client/inspector/breadcrumbs");
const GridInspector = require("devtools/client/inspector/grids/grid-inspector");
const {InspectorSearch} = require("devtools/client/inspector/inspector-search");
const HighlightersOverlay = require("devtools/client/inspector/shared/highlighters-overlay");
const ReflowTracker = require("devtools/client/inspector/shared/reflow-tracker");
const {ToolSidebar} = require("devtools/client/inspector/toolsidebar");
const MarkupView = require("devtools/client/inspector/markup/markup");
const {CommandUtils} = require("devtools/client/shared/developer-toolbar");
const {ViewHelpers} = require("devtools/client/shared/widgets/view-helpers");
const clipboardHelper = require("devtools/shared/platform/clipboard");
const Store = require("devtools/client/inspector/store");
const {LocalizationHelper, localizeMarkup} = require("devtools/shared/l10n");
const INSPECTOR_L10N =
new LocalizationHelper("devtools/client/locales/inspector.properties");
const TOOLBOX_L10N = new LocalizationHelper("devtools/client/locales/toolbox.properties");
// Sidebar dimensions
const INITIAL_SIDEBAR_SIZE = 350;
// If the toolbox width is smaller than given amount of pixels,
// the sidebar automatically switches from 'landscape' to 'portrait' mode.
const PORTRAIT_MODE_WIDTH = 700;
/**
* Represents an open instance of the Inspector for a tab.
* The inspector controls the breadcrumbs, the markup view, and the sidebar
* (computed view, rule view, font view and animation inspector).
*
* Events:
* - ready
* Fired when the inspector panel is opened for the first time and ready to
* use
* - new-root
* Fired after a new root (navigation to a new page) event was fired by
* the walker, and taken into account by the inspector (after the markup
* view has been reloaded)
* - markuploaded
* Fired when the markup-view frame has loaded
* - breadcrumbs-updated
* Fired when the breadcrumb widget updates to a new node
* - boxmodel-view-updated
* Fired when the box model updates to a new node
* - markupmutation
* Fired after markup mutations have been processed by the markup-view
* - computed-view-refreshed
* Fired when the computed rules view updates to a new node
* - computed-view-property-expanded
* Fired when a property is expanded in the computed rules view
* - computed-view-property-collapsed
* Fired when a property is collapsed in the computed rules view
* - computed-view-sourcelinks-updated
* Fired when the stylesheet source links have been updated (when switching
* to source-mapped files)
* - rule-view-refreshed
* Fired when the rule view updates to a new node
* - rule-view-sourcelinks-updated
* Fired when the stylesheet source links have been updated (when switching
* to source-mapped files)
*/
function Inspector(toolbox) {
EventEmitter.decorate(this);
this._toolbox = toolbox;
this._target = toolbox.target;
this.panelDoc = window.document;
this.panelWin = window;
this.panelWin.inspector = this;
// Map [panel id => panel instance]
// Stores all the instances of sidebar panels like rule view, computed view, ...
this._panels = new Map();
this.highlighters = new HighlightersOverlay(this);
this.reflowTracker = new ReflowTracker(this._target);
this.store = Store();
this.telemetry = new Telemetry();
// Store the URL of the target page prior to navigation in order to ensure
// telemetry counts in the Grid Inspector are not double counted on reload.
this.previousURL = this.target.url;
this.nodeMenuTriggerInfo = null;
this._handleRejectionIfNotDestroyed = this._handleRejectionIfNotDestroyed.bind(this);
this._onBeforeNavigate = this._onBeforeNavigate.bind(this);
this.onNewRoot = this.onNewRoot.bind(this);
this._onContextMenu = this._onContextMenu.bind(this);
this.onTextBoxContextMenu = this.onTextBoxContextMenu.bind(this);
this._updateSearchResultsLabel = this._updateSearchResultsLabel.bind(this);
this.onNewSelection = this.onNewSelection.bind(this);
this.onDetached = this.onDetached.bind(this);
this.onPaneToggleButtonClicked = this.onPaneToggleButtonClicked.bind(this);
this._onMarkupFrameLoad = this._onMarkupFrameLoad.bind(this);
this.onPanelWindowResize = this.onPanelWindowResize.bind(this);
this.onSidebarShown = this.onSidebarShown.bind(this);
this.onSidebarHidden = this.onSidebarHidden.bind(this);
this.onSidebarSelect = this.onSidebarSelect.bind(this);
this.onShowBoxModelHighlighterForNode =
this.onShowBoxModelHighlighterForNode.bind(this);
this._target.on("will-navigate", this._onBeforeNavigate);
this._detectingActorFeatures = this._detectActorFeatures();
}
Inspector.prototype = {
/**
* open is effectively an asynchronous constructor
*/
init: Task.async(function* () {
// Localize all the nodes containing a data-localization attribute.
localizeMarkup(this.panelDoc);
this._cssPropertiesLoaded = initCssProperties(this.toolbox);
yield this._cssPropertiesLoaded;
yield this.target.makeRemote();
yield this._getPageStyle();
// This may throw if the document is still loading and we are
// refering to a dead about:blank document
let defaultSelection = yield this._getDefaultNodeForSelection()
.catch(this._handleRejectionIfNotDestroyed);
return yield this._deferredOpen(defaultSelection);
}),
get toolbox() {
return this._toolbox;
},
get inspector() {
return this._toolbox.inspector;
},
get walker() {
return this._toolbox.walker;
},
get selection() {
return this._toolbox.selection;
},
get highlighter() {
return this._toolbox.highlighter;
},
get isOuterHTMLEditable() {
return this._target.client.traits.editOuterHTML;
},
get hasUrlToImageDataResolver() {
return this._target.client.traits.urlToImageDataResolver;
},
get canGetUniqueSelector() {
return this._target.client.traits.getUniqueSelector;
},
get canGetCssPath() {
return this._target.client.traits.getCssPath;
},
get canGetXPath() {
return this._target.client.traits.getXPath;
},
get canGetUsedFontFaces() {
return this._target.client.traits.getUsedFontFaces;
},
get canPasteInnerOrAdjacentHTML() {
return this._target.client.traits.pasteHTML;
},
/**
* Handle promise rejections for various asynchronous actions, and only log errors if
* the inspector panel still exists.
* This is useful to silence useless errors that happen when the inspector is closed
* while still initializing (and making protocol requests).
*/
_handleRejectionIfNotDestroyed: function (e) {
if (!this._panelDestroyer) {
console.error(e);
}
},
/**
* Figure out what features the backend supports
*/
_detectActorFeatures: function () {
this._supportsDuplicateNode = false;
this._supportsScrollIntoView = false;
this._supportsResolveRelativeURL = false;
// Use getActorDescription first so that all actorHasMethod calls use
// a cached response from the server.
return this._target.getActorDescription("domwalker").then(desc => {
return promise.all([
this._target.actorHasMethod("domwalker", "duplicateNode").then(value => {
this._supportsDuplicateNode = value;
}).catch(e => console.error(e)),
this._target.actorHasMethod("domnode", "scrollIntoView").then(value => {
this._supportsScrollIntoView = value;
}).catch(e => console.error(e)),
this._target.actorHasMethod("inspector", "resolveRelativeURL").then(value => {
this._supportsResolveRelativeURL = value;
}).catch(e => console.error(e)),
]);
});
},
_deferredOpen: function (defaultSelection) {
let deferred = defer();
this.breadcrumbs = new HTMLBreadcrumbs(this);
this.walker.on("new-root", this.onNewRoot);
this.selection.on("new-node-front", this.onNewSelection);
this.selection.on("detached-front", this.onDetached);
if (this.target.isLocalTab) {
// Show a warning when the debugger is paused.
// We show the warning only when the inspector
// is selected.
this.updateDebuggerPausedWarning = () => {
let notificationBox = this._toolbox.getNotificationBox();
let notification =
notificationBox.getNotificationWithValue("inspector-script-paused");
if (!notification && this._toolbox.currentToolId == "inspector" &&
this._toolbox.threadClient.paused) {
let message = INSPECTOR_L10N.getStr("debuggerPausedWarning.message");
notificationBox.appendNotification(message,
"inspector-script-paused", "", notificationBox.PRIORITY_WARNING_HIGH);
}
if (notification && this._toolbox.currentToolId != "inspector") {
notificationBox.removeNotification(notification);
}
if (notification && !this._toolbox.threadClient.paused) {
notificationBox.removeNotification(notification);
}
};
this.target.on("thread-paused", this.updateDebuggerPausedWarning);
this.target.on("thread-resumed", this.updateDebuggerPausedWarning);
this._toolbox.on("select", this.updateDebuggerPausedWarning);
this.updateDebuggerPausedWarning();
}
this._initMarkup();
this.isReady = false;
this.once("markuploaded", () => {
this.isReady = true;
// All the components are initialized. Let's select a node.
if (defaultSelection) {
this.selection.setNodeFront(defaultSelection, "inspector-open");
this.markup.expandNode(this.selection.nodeFront);
}
// And setup the toolbar only now because it may depend on the document.
this.setupToolbar();
this.emit("ready");
deferred.resolve(this);
});
this.setupSearchBox();
this.setupSidebar();
return deferred.promise;
},
_onBeforeNavigate: function () {
this._defaultNode = null;
this.selection.setNodeFront(null);
this._destroyMarkup();
this.isDirty = false;
this._pendingSelection = null;
},
_getPageStyle: function () {
return this.inspector.getPageStyle().then(pageStyle => {
this.pageStyle = pageStyle;
}, this._handleRejectionIfNotDestroyed);
},
/**
* Return a promise that will resolve to the default node for selection.
*/
_getDefaultNodeForSelection: function () {
if (this._defaultNode) {
return this._defaultNode;
}
let walker = this.walker;
let rootNode = null;
let pendingSelection = this._pendingSelection;
// A helper to tell if the target has or is about to navigate.
// this._pendingSelection changes on "will-navigate" and "new-root" events.
let hasNavigated = () => pendingSelection !== this._pendingSelection;
// If available, set either the previously selected node or the body
// as default selected, else set documentElement
return walker.getRootNode().then(node => {
if (hasNavigated()) {
return promise.reject("navigated; resolution of _defaultNode aborted");
}
rootNode = node;
if (this.selectionCssSelector) {
return walker.querySelector(rootNode, this.selectionCssSelector);
}
return null;
}).then(front => {
if (hasNavigated()) {
return promise.reject("navigated; resolution of _defaultNode aborted");
}
if (front) {
return front;
}
return walker.querySelector(rootNode, "body");
}).then(front => {
if (hasNavigated()) {
return promise.reject("navigated; resolution of _defaultNode aborted");
}
if (front) {
return front;
}
return this.walker.documentElement();
}).then(node => {
if (hasNavigated()) {
return promise.reject("navigated; resolution of _defaultNode aborted");
}
this._defaultNode = node;
return node;
});
},
/**
* Target getter.
*/
get target() {
return this._target;
},
/**
* Target setter.
*/
set target(value) {
this._target = value;
},
/**
* Indicate that a tool has modified the state of the page. Used to
* decide whether to show the "are you sure you want to navigate"
* notification.
*/
markDirty: function () {
this.isDirty = true;
},
/**
* Hooks the searchbar to show result and auto completion suggestions.
*/
setupSearchBox: function () {
this.searchBox = this.panelDoc.getElementById("inspector-searchbox");
this.searchClearButton = this.panelDoc.getElementById("inspector-searchinput-clear");
this.searchResultsLabel = this.panelDoc.getElementById("inspector-searchlabel");
this.search = new InspectorSearch(this, this.searchBox, this.searchClearButton);
this.search.on("search-cleared", this._updateSearchResultsLabel);
this.search.on("search-result", this._updateSearchResultsLabel);
let shortcuts = new KeyShortcuts({
window: this.panelDoc.defaultView,
});
let key = INSPECTOR_L10N.getStr("inspector.searchHTML.key");
shortcuts.on(key, (name, event) => {
// Prevent overriding same shortcut from the computed/rule views
if (event.target.closest("#sidebar-panel-ruleview") ||
event.target.closest("#sidebar-panel-computedview")) {
return;
}
event.preventDefault();
this.searchBox.focus();
});
},
get searchSuggestions() {
return this.search.autocompleter;
},
_updateSearchResultsLabel: function (event, result) {
let str = "";
if (event !== "search-cleared") {
if (result) {
str = INSPECTOR_L10N.getFormatStr(
"inspector.searchResultsCount2", result.resultsIndex + 1, result.resultsLength);
} else {
str = INSPECTOR_L10N.getStr("inspector.searchResultsNone");
}
}
this.searchResultsLabel.textContent = str;
},
get React() {
return this._toolbox.React;
},
get ReactDOM() {
return this._toolbox.ReactDOM;
},
get ReactRedux() {
return this._toolbox.ReactRedux;
},
get browserRequire() {
return this._toolbox.browserRequire;
},
get InspectorTabPanel() {
if (!this._InspectorTabPanel) {
this._InspectorTabPanel =
this.React.createFactory(this.browserRequire(
"devtools/client/inspector/components/inspector-tab-panel"));
}
return this._InspectorTabPanel;
},
/**
* Check if the inspector should use the landscape mode.
*
* @return {Boolean} true if the inspector should be in landscape mode.
*/
useLandscapeMode: function () {
let { clientWidth } = this.panelDoc.getElementById("inspector-splitter-box");
return clientWidth > PORTRAIT_MODE_WIDTH;
},
/**
* Build Splitter located between the main and side area of
* the Inspector panel.
*/
setupSplitter: function () {
let SplitBox = this.React.createFactory(this.browserRequire(
"devtools/client/shared/components/splitter/split-box"));
let splitter = SplitBox({
className: "inspector-sidebar-splitter",
initialWidth: INITIAL_SIDEBAR_SIZE,
initialHeight: INITIAL_SIDEBAR_SIZE,
splitterSize: 1,
endPanelControl: true,
startPanel: this.InspectorTabPanel({
id: "inspector-main-content"
}),
endPanel: this.InspectorTabPanel({
id: "inspector-sidebar-container"
}),
vert: this.useLandscapeMode(),
});
this._splitter = this.ReactDOM.render(splitter,
this.panelDoc.getElementById("inspector-splitter-box"));
this.panelWin.addEventListener("resize", this.onPanelWindowResize, true);
// Persist splitter state in preferences.
this.sidebar.on("show", this.onSidebarShown);
this.sidebar.on("hide", this.onSidebarHidden);
this.sidebar.on("destroy", this.onSidebarHidden);
},
/**
* Splitter clean up.
*/
teardownSplitter: function () {
this.panelWin.removeEventListener("resize", this.onPanelWindowResize, true);
this.sidebar.off("show", this.onSidebarShown);
this.sidebar.off("hide", this.onSidebarHidden);
this.sidebar.off("destroy", this.onSidebarHidden);
},
/**
* If Toolbox width is less than 600 px, the splitter changes its mode
* to `horizontal` to support portrait view.
*/
onPanelWindowResize: function () {
this._splitter.setState({
vert: this.useLandscapeMode(),
});
},
onSidebarShown: function () {
let width;
let height;
// Initialize splitter size from preferences.
try {
width = Services.prefs.getIntPref("devtools.toolsidebar-width.inspector");
height = Services.prefs.getIntPref("devtools.toolsidebar-height.inspector");
} catch (e) {
// Set width and height of the splitter. Only one
// value is really useful at a time depending on the current
// orientation (vertical/horizontal).
// Having both is supported by the splitter component.
width = INITIAL_SIDEBAR_SIZE;
height = INITIAL_SIDEBAR_SIZE;
}
this._splitter.setState({width, height});
},
onSidebarHidden: function () {
// Store the current splitter size to preferences.
let state = this._splitter.state;
Services.prefs.setIntPref("devtools.toolsidebar-width.inspector", state.width);
Services.prefs.setIntPref("devtools.toolsidebar-height.inspector", state.height);
},
onSidebarSelect: function (event, toolId) {
// Save the currently selected sidebar panel
Services.prefs.setCharPref("devtools.inspector.activeSidebar", toolId);
// Then forces the panel creation by calling getPanel
// (This allows lazy loading the panels only once we select them)
this.getPanel(toolId);
},
/**
* Lazily get and create panel instances displayed in the sidebar
*/
getPanel: function (id) {
if (this._panels.has(id)) {
return this._panels.get(id);
}
let panel;
switch (id) {
case "computedview":
const {ComputedViewTool} =
this.browserRequire("devtools/client/inspector/computed/computed");
panel = new ComputedViewTool(this, this.panelWin);
break;
case "ruleview":
const {RuleViewTool} = require("devtools/client/inspector/rules/rules");
panel = new RuleViewTool(this, this.panelWin);
break;
case "boxmodel":
// box-model isn't a panel on its own, it used to, now it is being used by
// computed view and layout which retrieves an instance via getPanel.
const BoxModel = require("devtools/client/inspector/boxmodel/box-model");
panel = new BoxModel(this, this.panelWin);
break;
case "fontinspector":
const {FontInspector} = require("devtools/client/inspector/fonts/fonts");
panel = new FontInspector(this, this.panelWin);
break;
default:
// This is a custom panel or a non lazy-loaded one.
return null;
}
this._panels.set(id, panel);
return panel;
},
/**
* Build the sidebar.
*/
setupSidebar: function () {
let tabbox = this.panelDoc.querySelector("#inspector-sidebar");
this.sidebar = new ToolSidebar(tabbox, this, "inspector", {
showAllTabsMenu: true
});
this.sidebar.on("select", this.onSidebarSelect);
let defaultTab = Services.prefs.getCharPref("devtools.inspector.activeSidebar");
if (!Services.prefs.getBoolPref("devtools.fontinspector.enabled") &&
defaultTab == "fontinspector") {
defaultTab = "ruleview";
}
// Append all side panels
this.sidebar.addExistingTab(
"ruleview",
INSPECTOR_L10N.getStr("inspector.sidebar.ruleViewTitle"),
defaultTab == "ruleview");
this.sidebar.addExistingTab(
"computedview",
INSPECTOR_L10N.getStr("inspector.sidebar.computedViewTitle"),
defaultTab == "computedview");
// Grid and layout panels aren't lazy-loaded as their module end up
// calling inspector.addSidebarTab
this.gridInspector = new GridInspector(this, this.panelWin);
const LayoutView = this.browserRequire("devtools/client/inspector/layout/layout");
this.layoutview = new LayoutView(this, this.panelWin);
if (this.target.form.animationsActor) {
this.sidebar.addFrameTab(
"animationinspector",
INSPECTOR_L10N.getStr("inspector.sidebar.animationInspectorTitle"),
"chrome://devtools/content/animationinspector/animation-inspector.xhtml",
defaultTab == "animationinspector");
}
if (Services.prefs.getBoolPref("devtools.fontinspector.enabled") &&
this.canGetUsedFontFaces) {
this.sidebar.addExistingTab(
"fontinspector",
INSPECTOR_L10N.getStr("inspector.sidebar.fontInspectorTitle"),
defaultTab == "fontinspector");
this.sidebar.toggleTab(true, "fontinspector");
}
// Setup the splitter before the sidebar is displayed so,
// we don't miss any events.
this.setupSplitter();
this.sidebar.show(defaultTab);
},
/**
* Register a side-panel tab. This API can be used outside of
* DevTools (e.g. from an extension) as well as by DevTools
* code base.
*
* @param {string} tab uniq id
* @param {string} title tab title
* @param {React.Component} panel component. See `InspectorPanelTab` as an example.
* @param {boolean} selected true if the panel should be selected
*/
addSidebarTab: function (id, title, panel, selected) {
this.sidebar.addTab(id, title, panel, selected);
},
/**
* Method to check whether the document is a HTML document and
* pickColorFromPage method is available or not.
*
* @return {Boolean} true if the eyedropper highlighter is supported by the current
* document.
*/
supportsEyeDropper: Task.async(function* () {
try {
let hasSupportsHighlighters =
yield this.target.actorHasMethod("inspector", "supportsHighlighters");
let hasPickColorFromPage =
yield this.target.actorHasMethod("inspector", "pickColorFromPage");
let supportsHighlighters;
if (hasSupportsHighlighters) {
supportsHighlighters = yield this.inspector.supportsHighlighters();
} else {
// If the actor does not provide the supportsHighlighter method, fallback to
// check if the selected node's document is a HTML document.
let { nodeFront } = this.selection;
supportsHighlighters = nodeFront && nodeFront.isInHTMLDocument;
}
return supportsHighlighters && hasPickColorFromPage;
} catch (e) {
console.error(e);
return false;
}
}),
setupToolbar: Task.async(function* () {
this.teardownToolbar();
// Setup the sidebar toggle button.
let SidebarToggle = this.React.createFactory(this.browserRequire(
"devtools/client/shared/components/sidebar-toggle"));
let sidebarToggle = SidebarToggle({
onClick: this.onPaneToggleButtonClicked,
collapsed: false,
expandPaneTitle: INSPECTOR_L10N.getStr("inspector.expandPane"),
collapsePaneTitle: INSPECTOR_L10N.getStr("inspector.collapsePane"),
});
let parentBox = this.panelDoc.getElementById("inspector-sidebar-toggle-box");
this._sidebarToggle = this.ReactDOM.render(sidebarToggle, parentBox);
// Setup the add-node button.
this.addNode = this.addNode.bind(this);
this.addNodeButton = this.panelDoc.getElementById("inspector-element-add-button");
this.addNodeButton.addEventListener("click", this.addNode);
// Setup the eye-dropper icon if we're in an HTML document and we have actor support.
let canShowEyeDropper = yield this.supportsEyeDropper();
// Bail out if the inspector was destroyed in the meantime and panelDoc is no longer
// available.
if (!this.panelDoc) {
return;
}
if (canShowEyeDropper) {
this.onEyeDropperDone = this.onEyeDropperDone.bind(this);
this.onEyeDropperButtonClicked = this.onEyeDropperButtonClicked.bind(this);
this.eyeDropperButton = this.panelDoc
.getElementById("inspector-eyedropper-toggle");
this.eyeDropperButton.disabled = false;
this.eyeDropperButton.title = INSPECTOR_L10N.getStr("inspector.eyedropper.label");
this.eyeDropperButton.addEventListener("click", this.onEyeDropperButtonClicked);
} else {
let eyeDropperButton = this.panelDoc.getElementById("inspector-eyedropper-toggle");
eyeDropperButton.disabled = true;
eyeDropperButton.title = INSPECTOR_L10N.getStr("eyedropper.disabled.title");
}
}),
teardownToolbar: function () {
this._sidebarToggle = null;
if (this.addNodeButton) {
this.addNodeButton.removeEventListener("click", this.addNode);
this.addNodeButton = null;
}
if (this.eyeDropperButton) {
this.eyeDropperButton.removeEventListener("click", this.onEyeDropperButtonClicked);
this.eyeDropperButton = null;
}
},
/**
* Reset the inspector on new root mutation.
*/
onNewRoot: function () {
this._defaultNode = null;
this.selection.setNodeFront(null);
this._destroyMarkup();
this.isDirty = false;
let onNodeSelected = defaultNode => {
// Cancel this promise resolution as a new one had
// been queued up.
if (this._pendingSelection != onNodeSelected) {
return;
}
this._pendingSelection = null;
this.selection.setNodeFront(defaultNode, "navigateaway");
this._initMarkup();
this.once("markuploaded", () => {
if (!this.markup) {
return;
}
this.markup.expandNode(this.selection.nodeFront);
this.emit("new-root");
});
// Setup the toolbar again, since its content may depend on the current document.
this.setupToolbar();
};
this._pendingSelection = onNodeSelected;
this._getDefaultNodeForSelection()
.then(onNodeSelected, this._handleRejectionIfNotDestroyed);
},
_selectionCssSelector: null,
/**
* Set the currently selected node unique css selector.
* Will store the current target url along with it to allow pre-selection at
* reload
*/
set selectionCssSelector(cssSelector = null) {
if (this._panelDestroyer) {
return;
}
this._selectionCssSelector = {
selector: cssSelector,
url: this._target.url
};
},
/**
* Get the current selection unique css selector if any, that is, if a node
* is actually selected and that node has been selected while on the same url
*/
get selectionCssSelector() {
if (this._selectionCssSelector &&
this._selectionCssSelector.url === this._target.url) {
return this._selectionCssSelector.selector;
}
return null;
},
/**
* Can a new HTML element be inserted into the currently selected element?
* @return {Boolean}
*/
canAddHTMLChild: function () {
let selection = this.selection;
// Don't allow to insert an element into these elements. This should only
// contain elements where walker.insertAdjacentHTML has no effect.
let invalidTagNames = ["html", "iframe"];
return selection.isHTMLNode() &&
selection.isElementNode() &&
!selection.isPseudoElementNode() &&
!selection.isAnonymousNode() &&
invalidTagNames.indexOf(
selection.nodeFront.nodeName.toLowerCase()) === -1;
},
/**
* When a new node is selected.
*/
onNewSelection: function (event, value, reason) {
if (reason === "selection-destroy") {
return;
}
// Wait for all the known tools to finish updating and then let the
// client know.
let selection = this.selection.nodeFront;
// Update the state of the add button in the toolbar depending on the
// current selection.
let btn = this.panelDoc.querySelector("#inspector-element-add-button");
if (this.canAddHTMLChild()) {
btn.removeAttribute("disabled");
} else {
btn.setAttribute("disabled", "true");
}
// On any new selection made by the user, store the unique css selector
// of the selected node so it can be restored after reload of the same page
if (this.canGetUniqueSelector &&
this.selection.isElementNode()) {
selection.getUniqueSelector().then(selector => {
this.selectionCssSelector = selector;
}, this._handleRejectionIfNotDestroyed);
}
let selfUpdate = this.updating("inspector-panel");
executeSoon(() => {
try {
selfUpdate(selection);
} catch (ex) {
console.error(ex);
}
});
},
/**
* Delay the "inspector-updated" notification while a tool
* is updating itself. Returns a function that must be
* invoked when the tool is done updating with the node
* that the tool is viewing.
*/
updating: function (name) {
if (this._updateProgress && this._updateProgress.node != this.selection.nodeFront) {
this.cancelUpdate();
}
if (!this._updateProgress) {
// Start an update in progress.
let self = this;
this._updateProgress = {
node: this.selection.nodeFront,
outstanding: new Set(),
checkDone: function () {
if (this !== self._updateProgress) {
return;
}
// Cancel update if there is no `selection` anymore.
// It can happen if the inspector panel is already destroyed.
if (!self.selection || (this.node !== self.selection.nodeFront)) {
self.cancelUpdate();
return;
}
if (this.outstanding.size !== 0) {
return;
}
self._updateProgress = null;
self.emit("inspector-updated", name);
},
};
}
let progress = this._updateProgress;
let done = function () {
progress.outstanding.delete(done);
progress.checkDone();
};
progress.outstanding.add(done);
return done;
},
/**
* Cancel notification of inspector updates.
*/
cancelUpdate: function () {
this._updateProgress = null;
},
/**
* When a node is deleted, select its parent node or the defaultNode if no
* parent is found (may happen when deleting an iframe inside which the
* node was selected).
*/
onDetached: function (event, parentNode) {
this.breadcrumbs.cutAfter(this.breadcrumbs.indexOf(parentNode));
this.selection.setNodeFront(parentNode ? parentNode : this._defaultNode, "detached");
},
/**
* Destroy the inspector.
*/
destroy: function () {
if (this._panelDestroyer) {
return this._panelDestroyer;
}
if (this.walker) {
this.walker.off("new-root", this.onNewRoot);
this.pageStyle = null;
}
this.cancelUpdate();
this.target.off("will-navigate", this._onBeforeNavigate);
this.target.off("thread-paused", this.updateDebuggerPausedWarning);
this.target.off("thread-resumed", this.updateDebuggerPausedWarning);
this._toolbox.off("select", this.updateDebuggerPausedWarning);
for (let [, panel] of this._panels) {
panel.destroy();
}
this._panels.clear();
if (this.gridInspector) {
this.gridInspector.destroy();
}
if (this.layoutview) {
this.layoutview.destroy();
}
let cssPropertiesDestroyer = this._cssPropertiesLoaded.then(({front}) => {
if (front) {
front.destroy();
}
});
this.sidebar.off("select", this.onSidebarSelect);
let sidebarDestroyer = this.sidebar.destroy();
this.teardownSplitter();
this.teardownToolbar();
this.breadcrumbs.destroy();
this.selection.off("new-node-front", this.onNewSelection);
this.selection.off("detached-front", this.onDetached);
let markupDestroyer = this._destroyMarkup();
this.highlighters.destroy();
this.reflowTracker.destroy();
this.search.destroy();
this._toolbox = null;
this.breadcrumbs = null;
this.panelDoc = null;
this.panelWin.inspector = null;
this.panelWin = null;
this.sidebar = null;
this.store = null;
this.target = null;
this.highlighters = null;
this.search = null;
this.searchBox = null;
this._panelDestroyer = promise.all([
sidebarDestroyer,
markupDestroyer,
cssPropertiesDestroyer
]);
return this._panelDestroyer;
},
/**
* Returns the clipboard content if it is appropriate for pasting
* into the current node's outer HTML, otherwise returns null.
*/
_getClipboardContentForPaste: function () {
let flavors = clipboardHelper.getCurrentFlavors();
if (flavors.indexOf("text") != -1 ||
(flavors.indexOf("html") != -1 && flavors.indexOf("image") == -1)) {
let content = clipboardHelper.getData();
if (content && content.trim().length > 0) {
return content;
}
}
return null;
},
_onContextMenu: function (e) {
e.preventDefault();
this._openMenu({
screenX: e.screenX,
screenY: e.screenY,
target: e.target,
});
},
/**
* This is meant to be called by all the search, filter, inplace text boxes in the
* inspector, and just calls through to the toolbox openTextBoxContextMenu helper.
* @param {DOMEvent} e
*/
onTextBoxContextMenu: function (e) {
e.stopPropagation();
e.preventDefault();
this.toolbox.openTextBoxContextMenu(e.screenX, e.screenY);
},
_openMenu: function ({ target, screenX = 0, screenY = 0 } = { }) {
let markupContainer = this.markup.getContainer(this.selection.nodeFront);
this.contextMenuTarget = target;
this.nodeMenuTriggerInfo = markupContainer &&
markupContainer.editor.getInfoAtNode(target);
let isSelectionElement = this.selection.isElementNode() &&
!this.selection.isPseudoElementNode();
let isEditableElement = isSelectionElement &&
!this.selection.isAnonymousNode();
let isDuplicatableElement = isSelectionElement &&
!this.selection.isAnonymousNode() &&
!this.selection.isRoot();
let isScreenshotable = isSelectionElement &&
this.canGetUniqueSelector &&
this.selection.nodeFront.isTreeDisplayed;
let menu = new Menu();
menu.append(new MenuItem({
id: "node-menu-edithtml",
label: INSPECTOR_L10N.getStr("inspectorHTMLEdit.label"),
accesskey: INSPECTOR_L10N.getStr("inspectorHTMLEdit.accesskey"),
disabled: !isEditableElement || !this.isOuterHTMLEditable,
click: () => this.editHTML(),
}));
menu.append(new MenuItem({
id: "node-menu-add",
label: INSPECTOR_L10N.getStr("inspectorAddNode.label"),
accesskey: INSPECTOR_L10N.getStr("inspectorAddNode.accesskey"),
disabled: !this.canAddHTMLChild(),
click: () => this.addNode(),
}));
menu.append(new MenuItem({
id: "node-menu-duplicatenode",
label: INSPECTOR_L10N.getStr("inspectorDuplicateNode.label"),
hidden: !this._supportsDuplicateNode,
disabled: !isDuplicatableElement,
click: () => this.duplicateNode(),
}));
menu.append(new MenuItem({
id: "node-menu-delete",
label: INSPECTOR_L10N.getStr("inspectorHTMLDelete.label"),
accesskey: INSPECTOR_L10N.getStr("inspectorHTMLDelete.accesskey"),
disabled: !isEditableElement,
click: () => this.deleteNode(),
}));
menu.append(new MenuItem({
label: INSPECTOR_L10N.getStr("inspectorAttributesSubmenu.label"),
accesskey:
INSPECTOR_L10N.getStr("inspectorAttributesSubmenu.accesskey"),
submenu: this._getAttributesSubmenu(isEditableElement),
}));
menu.append(new MenuItem({
type: "separator",
}));
// Set the pseudo classes
for (let name of ["hover", "active", "focus"]) {
let menuitem = new MenuItem({
id: "node-menu-pseudo-" + name,
label: name,
type: "checkbox",
click: this.togglePseudoClass.bind(this, ":" + name),
});
if (isSelectionElement) {
let checked = this.selection.nodeFront.hasPseudoClassLock(":" + name);
menuitem.checked = checked;
} else {
menuitem.disabled = true;
}
menu.append(menuitem);
}
menu.append(new MenuItem({
type: "separator",
}));
menu.append(new MenuItem({
label: INSPECTOR_L10N.getStr("inspectorCopyHTMLSubmenu.label"),
submenu: this._getCopySubmenu(markupContainer, isSelectionElement),
}));
menu.append(new MenuItem({
label: INSPECTOR_L10N.getStr("inspectorPasteHTMLSubmenu.label"),
submenu: this._getPasteSubmenu(isEditableElement),
}));
menu.append(new MenuItem({
type: "separator",
}));
let isNodeWithChildren = this.selection.isNode() &&
markupContainer.hasChildren;
menu.append(new MenuItem({
id: "node-menu-expand",
label: INSPECTOR_L10N.getStr("inspectorExpandNode.label"),
disabled: !isNodeWithChildren,
click: () => this.expandNode(),
}));
menu.append(new MenuItem({
id: "node-menu-collapse",
label: INSPECTOR_L10N.getStr("inspectorCollapseNode.label"),
disabled: !isNodeWithChildren || !markupContainer.expanded,
click: () => this.collapseNode(),
}));
menu.append(new MenuItem({
type: "separator",
}));
menu.append(new MenuItem({
id: "node-menu-scrollnodeintoview",
label: INSPECTOR_L10N.getStr("inspectorScrollNodeIntoView.label"),
accesskey:
INSPECTOR_L10N.getStr("inspectorScrollNodeIntoView.accesskey"),
hidden: !this._supportsScrollIntoView,
disabled: !isSelectionElement,
click: () => this.scrollNodeIntoView(),
}));
menu.append(new MenuItem({
id: "node-menu-screenshotnode",
label: INSPECTOR_L10N.getStr("inspectorScreenshotNode.label"),
disabled: !isScreenshotable,
click: () => this.screenshotNode().catch(console.error),
}));
menu.append(new MenuItem({
id: "node-menu-useinconsole",
label: INSPECTOR_L10N.getStr("inspectorUseInConsole.label"),
click: () => this.useInConsole(),
}));
menu.append(new MenuItem({
id: "node-menu-showdomproperties",
label: INSPECTOR_L10N.getStr("inspectorShowDOMProperties.label"),
click: () => this.showDOMProperties(),
}));
let nodeLinkMenuItems = this._getNodeLinkMenuItems();
if (nodeLinkMenuItems.filter(item => item.visible).length > 0) {
menu.append(new MenuItem({
id: "node-menu-link-separator",
type: "separator",
}));
}
for (let menuitem of nodeLinkMenuItems) {
menu.append(menuitem);
}
menu.popup(screenX, screenY, this._toolbox);
return menu;
},
_getCopySubmenu: function (markupContainer, isSelectionElement) {
let copySubmenu = new Menu();
copySubmenu.append(new MenuItem({
id: "node-menu-copyinner",
label: INSPECTOR_L10N.getStr("inspectorCopyInnerHTML.label"),
accesskey: INSPECTOR_L10N.getStr("inspectorCopyInnerHTML.accesskey"),
disabled: !isSelectionElement,
click: () => this.copyInnerHTML(),
}));
copySubmenu.append(new MenuItem({
id: "node-menu-copyouter",
label: INSPECTOR_L10N.getStr("inspectorCopyOuterHTML.label"),
accesskey: INSPECTOR_L10N.getStr("inspectorCopyOuterHTML.accesskey"),
disabled: !isSelectionElement,
click: () => this.copyOuterHTML(),
}));
copySubmenu.append(new MenuItem({
id: "node-menu-copyuniqueselector",
label: INSPECTOR_L10N.getStr("inspectorCopyCSSSelector.label"),
accesskey:
INSPECTOR_L10N.getStr("inspectorCopyCSSSelector.accesskey"),
disabled: !isSelectionElement,
hidden: !this.canGetUniqueSelector,
click: () => this.copyUniqueSelector(),
}));
copySubmenu.append(new MenuItem({
id: "node-menu-copycsspath",
label: INSPECTOR_L10N.getStr("inspectorCopyCSSPath.label"),
accesskey:
INSPECTOR_L10N.getStr("inspectorCopyCSSPath.accesskey"),
disabled: !isSelectionElement,
hidden: !this.canGetCssPath,
click: () => this.copyCssPath(),
}));
copySubmenu.append(new MenuItem({
id: "node-menu-copyxpath",
label: INSPECTOR_L10N.getStr("inspectorCopyXPath.label"),
accesskey:
INSPECTOR_L10N.getStr("inspectorCopyXPath.accesskey"),
disabled: !isSelectionElement,
hidden: !this.canGetXPath,
click: () => this.copyXPath(),
}));
copySubmenu.append(new MenuItem({
id: "node-menu-copyimagedatauri",
label: INSPECTOR_L10N.getStr("inspectorImageDataUri.label"),
disabled: !isSelectionElement || !markupContainer ||
!markupContainer.isPreviewable(),
click: () => this.copyImageDataUri(),
}));
return copySubmenu;
},
_getPasteSubmenu: function (isEditableElement) {
let isPasteable = isEditableElement && this._getClipboardContentForPaste();
let disableAdjacentPaste = !isPasteable ||
!this.canPasteInnerOrAdjacentHTML || this.selection.isRoot() ||
this.selection.isBodyNode() || this.selection.isHeadNode();
let disableFirstLastPaste = !isPasteable ||
!this.canPasteInnerOrAdjacentHTML || (this.selection.isHTMLNode() &&
this.selection.isRoot());
let pasteSubmenu = new Menu();
pasteSubmenu.append(new MenuItem({
id: "node-menu-pasteinnerhtml",
label: INSPECTOR_L10N.getStr("inspectorPasteInnerHTML.label"),
accesskey: INSPECTOR_L10N.getStr("inspectorPasteInnerHTML.accesskey"),
disabled: !isPasteable || !this.canPasteInnerOrAdjacentHTML,
click: () => this.pasteInnerHTML(),
}));
pasteSubmenu.append(new MenuItem({
id: "node-menu-pasteouterhtml",
label: INSPECTOR_L10N.getStr("inspectorPasteOuterHTML.label"),
accesskey: INSPECTOR_L10N.getStr("inspectorPasteOuterHTML.accesskey"),
disabled: !isPasteable || !this.isOuterHTMLEditable,
click: () => this.pasteOuterHTML(),
}));
pasteSubmenu.append(new MenuItem({
id: "node-menu-pastebefore",
label: INSPECTOR_L10N.getStr("inspectorHTMLPasteBefore.label"),
accesskey:
INSPECTOR_L10N.getStr("inspectorHTMLPasteBefore.accesskey"),
disabled: disableAdjacentPaste,
click: () => this.pasteAdjacentHTML("beforeBegin"),
}));
pasteSubmenu.append(new MenuItem({
id: "node-menu-pasteafter",
label: INSPECTOR_L10N.getStr("inspectorHTMLPasteAfter.label"),
accesskey:
INSPECTOR_L10N.getStr("inspectorHTMLPasteAfter.accesskey"),
disabled: disableAdjacentPaste,
click: () => this.pasteAdjacentHTML("afterEnd"),
}));
pasteSubmenu.append(new MenuItem({
id: "node-menu-pastefirstchild",
label: INSPECTOR_L10N.getStr("inspectorHTMLPasteFirstChild.label"),
accesskey:
INSPECTOR_L10N.getStr("inspectorHTMLPasteFirstChild.accesskey"),
disabled: disableFirstLastPaste,
click: () => this.pasteAdjacentHTML("afterBegin"),
}));
pasteSubmenu.append(new MenuItem({
id: "node-menu-pastelastchild",
label: INSPECTOR_L10N.getStr("inspectorHTMLPasteLastChild.label"),
accesskey:
INSPECTOR_L10N.getStr("inspectorHTMLPasteLastChild.accesskey"),
disabled: disableFirstLastPaste,
click: () => this.pasteAdjacentHTML("beforeEnd"),
}));
return pasteSubmenu;
},
_getAttributesSubmenu: function (isEditableElement) {
let attributesSubmenu = new Menu();
let nodeInfo = this.nodeMenuTriggerInfo;
let isAttributeClicked = isEditableElement && nodeInfo &&
nodeInfo.type === "attribute";
attributesSubmenu.append(new MenuItem({
id: "node-menu-add-attribute",
label: INSPECTOR_L10N.getStr("inspectorAddAttribute.label"),
accesskey: INSPECTOR_L10N.getStr("inspectorAddAttribute.accesskey"),
disabled: !isEditableElement,
click: () => this.onAddAttribute(),
}));
attributesSubmenu.append(new MenuItem({
id: "node-menu-copy-attribute",
label: INSPECTOR_L10N.getFormatStr("inspectorCopyAttributeValue.label",
isAttributeClicked ? `${nodeInfo.value}` : ""),
accesskey: INSPECTOR_L10N.getStr("inspectorCopyAttributeValue.accesskey"),
disabled: !isAttributeClicked,
click: () => this.onCopyAttributeValue(),
}));
attributesSubmenu.append(new MenuItem({
id: "node-menu-edit-attribute",
label: INSPECTOR_L10N.getFormatStr("inspectorEditAttribute.label",
isAttributeClicked ? `${nodeInfo.name}` : ""),
accesskey: INSPECTOR_L10N.getStr("inspectorEditAttribute.accesskey"),
disabled: !isAttributeClicked,
click: () => this.onEditAttribute(),
}));
attributesSubmenu.append(new MenuItem({
id: "node-menu-remove-attribute",
label: INSPECTOR_L10N.getFormatStr("inspectorRemoveAttribute.label",
isAttributeClicked ? `${nodeInfo.name}` : ""),
accesskey: INSPECTOR_L10N.getStr("inspectorRemoveAttribute.accesskey"),
disabled: !isAttributeClicked,
click: () => this.onRemoveAttribute(),
}));
return attributesSubmenu;
},
/**
* Link menu items can be shown or hidden depending on the context and
* selected node, and their labels can vary.
*
* @return {Array} list of visible menu items related to links.
*/
_getNodeLinkMenuItems: function () {
let linkFollow = new MenuItem({
id: "node-menu-link-follow",
visible: false,
click: () => this.onFollowLink(),
});
let linkCopy = new MenuItem({
id: "node-menu-link-copy",
visible: false,
click: () => this.onCopyLink(),
});
// Get information about the right-clicked node.
let popupNode = this.contextMenuTarget;
if (!popupNode || !popupNode.classList.contains("link")) {
return [linkFollow, linkCopy];
}
let type = popupNode.dataset.type;
if (this._supportsResolveRelativeURL &&
(type === "uri" || type === "cssresource" || type === "jsresource")) {
// Links can't be opened in new tabs in the browser toolbox.
if (type === "uri" && !this.target.chrome) {
linkFollow.visible = true;
linkFollow.label = INSPECTOR_L10N.getStr(
"inspector.menu.openUrlInNewTab.label");
} else if (type === "cssresource") {
linkFollow.visible = true;
linkFollow.label = TOOLBOX_L10N.getStr(
"toolbox.viewCssSourceInStyleEditor.label");
} else if (type === "jsresource") {
linkFollow.visible = true;
linkFollow.label = TOOLBOX_L10N.getStr(
"toolbox.viewJsSourceInDebugger.label");
}
linkCopy.visible = true;
linkCopy.label = INSPECTOR_L10N.getStr(
"inspector.menu.copyUrlToClipboard.label");
} else if (type === "idref") {
linkFollow.visible = true;
linkFollow.label = INSPECTOR_L10N.getFormatStr(
"inspector.menu.selectElement.label", popupNode.dataset.link);
}
return [linkFollow, linkCopy];
},
_initMarkup: function () {
let doc = this.panelDoc;
this._markupBox = doc.getElementById("markup-box");
// create tool iframe
this._markupFrame = doc.createElement("iframe");
this._markupFrame.setAttribute("flex", "1");
// This is needed to enable tooltips inside the iframe document.
this._markupFrame.setAttribute("tooltip", "aHTMLTooltip");
this._markupFrame.addEventListener("contextmenu", this._onContextMenu);
this._markupBox.setAttribute("collapsed", true);
this._markupBox.appendChild(this._markupFrame);
this._markupFrame.addEventListener("load", this._onMarkupFrameLoad, true);
this._markupFrame.setAttribute("src", "markup/markup.xhtml");
this._markupFrame.setAttribute("aria-label",
INSPECTOR_L10N.getStr("inspector.panelLabel.markupView"));
},
_onMarkupFrameLoad: function () {
this._markupFrame.removeEventListener("load", this._onMarkupFrameLoad, true);
this._markupFrame.contentWindow.focus();
this._markupBox.removeAttribute("collapsed");
this.markup = new MarkupView(this, this._markupFrame, this._toolbox.win);
this.emit("markuploaded");
},
_destroyMarkup: function () {
let destroyPromise;
if (this._markupFrame) {
this._markupFrame.removeEventListener("load", this._onMarkupFrameLoad, true);
this._markupFrame.removeEventListener("contextmenu", this._onContextMenu);
}
if (this.markup) {
destroyPromise = this.markup.destroy();
this.markup = null;
} else {
destroyPromise = promise.resolve();
}
if (this._markupFrame) {
this._markupFrame.remove();
this._markupFrame = null;
}
this._markupBox = null;
return destroyPromise;
},
/**
* When the pane toggle button is clicked or pressed, toggle the pane, change the button
* state and tooltip.
*/
onPaneToggleButtonClicked: function (e) {
let sidePaneContainer = this.panelDoc.querySelector(
"#inspector-splitter-box .controlled");
let isVisible = !this._sidebarToggle.state.collapsed;
// Make sure the sidebar has width and height attributes before collapsing
// because ViewHelpers needs it.
if (isVisible) {
let rect = sidePaneContainer.getBoundingClientRect();
if (!sidePaneContainer.hasAttribute("width")) {
sidePaneContainer.setAttribute("width", rect.width);
}
// always refresh the height attribute before collapsing, it could have
// been modified by resizing the container.
sidePaneContainer.setAttribute("height", rect.height);
}
let onAnimationDone = () => {
if (isVisible) {
this._sidebarToggle.setState({collapsed: true});
} else {
this._sidebarToggle.setState({collapsed: false});
}
};
ViewHelpers.togglePane({
visible: !isVisible,
animated: true,
delayed: true,
callback: onAnimationDone
}, sidePaneContainer);
},
onEyeDropperButtonClicked: function () {
this.eyeDropperButton.classList.contains("checked")
? this.hideEyeDropper()
: this.showEyeDropper();
},
startEyeDropperListeners: function () {
this.inspector.once("color-pick-canceled", this.onEyeDropperDone);
this.inspector.once("color-picked", this.onEyeDropperDone);
this.walker.once("new-root", this.onEyeDropperDone);
},
stopEyeDropperListeners: function () {
this.inspector.off("color-pick-canceled", this.onEyeDropperDone);
this.inspector.off("color-picked", this.onEyeDropperDone);
this.walker.off("new-root", this.onEyeDropperDone);
},
onEyeDropperDone: function () {
this.eyeDropperButton.classList.remove("checked");
this.stopEyeDropperListeners();
},
/**
* Show the eyedropper on the page.
* @return {Promise} resolves when the eyedropper is visible.
*/
showEyeDropper: function () {
// The eyedropper button doesn't exist, most probably because the actor doesn't
// support the pickColorFromPage, or because the page isn't HTML.
if (!this.eyeDropperButton) {
return null;
}
this.telemetry.toolOpened("toolbareyedropper");
this.eyeDropperButton.classList.add("checked");
this.startEyeDropperListeners();
return this.inspector.pickColorFromPage(this.toolbox, {copyOnSelect: true})
.catch(e => console.error(e));
},
/**
* Hide the eyedropper.
* @return {Promise} resolves when the eyedropper is hidden.
*/
hideEyeDropper: function () {
// The eyedropper button doesn't exist, most probably because the actor doesn't
// support the pickColorFromPage, or because the page isn't HTML.
if (!this.eyeDropperButton) {
return null;
}
this.eyeDropperButton.classList.remove("checked");
this.stopEyeDropperListeners();
return this.inspector.cancelPickColorFromPage()
.catch(e => console.error(e));
},
/**
* Create a new node as the last child of the current selection, expand the
* parent and select the new node.
*/
addNode: Task.async(function* () {
if (!this.canAddHTMLChild()) {
return;
}
let html = "<div></div>";
// Insert the html and expect a childList markup mutation.
let onMutations = this.once("markupmutation");
yield this.walker.insertAdjacentHTML(this.selection.nodeFront, "beforeEnd", html);
yield onMutations;
// Expand the parent node.
this.markup.expandNode(this.selection.nodeFront);
}),
/**
* Toggle a pseudo class.
*/
togglePseudoClass: function (pseudo) {
if (this.selection.isElementNode()) {
let node = this.selection.nodeFront;
if (node.hasPseudoClassLock(pseudo)) {
return this.walker.removePseudoClassLock(node, pseudo, {parents: true});
}
let hierarchical = pseudo == ":hover" || pseudo == ":active";
return this.walker.addPseudoClassLock(node, pseudo, {parents: hierarchical});
}
return promise.resolve();
},
/**
* Show DOM properties
*/
showDOMProperties: function () {
this._toolbox.openSplitConsole().then(() => {
let panel = this._toolbox.getPanel("webconsole");
let jsterm = panel.hud.jsterm;
jsterm.execute("inspect($0)");
jsterm.focus();
});
},
/**
* Use in Console.
*
* Takes the currently selected node in the inspector and assigns it to a
* temp variable on the content window. Also opens the split console and
* autofills it with the temp variable.
*/
useInConsole: function () {
this._toolbox.openSplitConsole().then(() => {
let panel = this._toolbox.getPanel("webconsole");
let jsterm = panel.hud.jsterm;
let evalString = `{ let i = 0;
while (window.hasOwnProperty("temp" + i) && i < 1000) {
i++;
}
window["temp" + i] = $0;
"temp" + i;
}`;
let options = {
selectedNodeActor: this.selection.nodeFront.actorID,
};
jsterm.requestEvaluation(evalString, options).then((res) => {
jsterm.setInputValue(res.result);
this.emit("console-var-ready");
});
});
},
/**
* Edit the outerHTML of the selected Node.
*/
editHTML: function () {
if (!this.selection.isNode()) {
return;
}
if (this.markup) {
this.markup.beginEditingOuterHTML(this.selection.nodeFront);
}
},
/**
* Paste the contents of the clipboard into the selected Node's outer HTML.
*/
pasteOuterHTML: function () {
let content = this._getClipboardContentForPaste();
if (!content) {
return promise.reject("No clipboard content for paste");
}
let node = this.selection.nodeFront;
return this.markup.getNodeOuterHTML(node).then(oldContent => {
this.markup.updateNodeOuterHTML(node, content, oldContent);
});
},
/**
* Paste the contents of the clipboard into the selected Node's inner HTML.
*/
pasteInnerHTML: function () {
let content = this._getClipboardContentForPaste();
if (!content) {
return promise.reject("No clipboard content for paste");
}
let node = this.selection.nodeFront;
return this.markup.getNodeInnerHTML(node).then(oldContent => {
this.markup.updateNodeInnerHTML(node, content, oldContent);
});
},
/**
* Paste the contents of the clipboard as adjacent HTML to the selected Node.
* @param position
* The position as specified for Element.insertAdjacentHTML
* (i.e. "beforeBegin", "afterBegin", "beforeEnd", "afterEnd").
*/
pasteAdjacentHTML: function (position) {
let content = this._getClipboardContentForPaste();
if (!content) {
return promise.reject("No clipboard content for paste");
}
let node = this.selection.nodeFront;
return this.markup.insertAdjacentHTMLToNode(node, position, content);
},
/**
* Copy the innerHTML of the selected Node to the clipboard.
*/
copyInnerHTML: function () {
if (!this.selection.isNode()) {
return;
}
this._copyLongString(this.walker.innerHTML(this.selection.nodeFront));
},
/**
* Copy the outerHTML of the selected Node to the clipboard.
*/
copyOuterHTML: function () {
if (!this.selection.isNode()) {
return;
}
let node = this.selection.nodeFront;
switch (node.nodeType) {
case nodeConstants.ELEMENT_NODE :
this._copyLongString(this.walker.outerHTML(node));
break;
case nodeConstants.COMMENT_NODE :
this._getLongString(node.getNodeValue()).then(comment => {
clipboardHelper.copyString("<!--" + comment + "-->");
});
break;
case nodeConstants.DOCUMENT_TYPE_NODE :
clipboardHelper.copyString(node.doctypeString);
break;
}
},
/**
* Copy the data-uri for the currently selected image in the clipboard.
*/
copyImageDataUri: function () {
let container = this.markup.getContainer(this.selection.nodeFront);
if (container && container.isPreviewable()) {
container.copyImageDataUri();
}
},
/**
* Copy the content of a longString (via a promise resolving a
* LongStringActor) to the clipboard
* @param {Promise} longStringActorPromise
* promise expected to resolve a LongStringActor instance
* @return {Promise} promise resolving (with no argument) when the
* string is sent to the clipboard
*/
_copyLongString: function (longStringActorPromise) {
return this._getLongString(longStringActorPromise).then(string => {
clipboardHelper.copyString(string);
}).catch(e => console.error(e));
},
/**
* Retrieve the content of a longString (via a promise resolving a LongStringActor)
* @param {Promise} longStringActorPromise
* promise expected to resolve a LongStringActor instance
* @return {Promise} promise resolving with the retrieved string as argument
*/
_getLongString: function (longStringActorPromise) {
return longStringActorPromise.then(longStringActor => {
return longStringActor.string().then(string => {
longStringActor.release().catch(e => console.error(e));
return string;
});
}).catch(e => console.error(e));
},
/**
* Copy a unique selector of the selected Node to the clipboard.
*/
copyUniqueSelector: function () {
if (!this.selection.isNode()) {
return;
}
this.telemetry.toolOpened("copyuniquecssselector");
this.selection.nodeFront.getUniqueSelector().then(selector => {
clipboardHelper.copyString(selector);
}).catch(e => console.error);
},
/**
* Copy the full CSS Path of the selected Node to the clipboard.
*/
copyCssPath: function () {
if (!this.selection.isNode()) {
return;
}
this.telemetry.toolOpened("copyfullcssselector");
this.selection.nodeFront.getCssPath().then(path => {
clipboardHelper.copyString(path);
}).catch(e => console.error);
},
/**
* Copy the XPath of the selected Node to the clipboard.
*/
copyXPath: function () {
if (!this.selection.isNode()) {
return;
}
this.telemetry.toolOpened("copyxpath");
this.selection.nodeFront.getXPath().then(path => {
clipboardHelper.copyString(path);
}).catch(e => console.error);
},
/**
* Initiate gcli screenshot command on selected node.
*/
screenshotNode: Task.async(function* () {
const command = Services.prefs.getBoolPref("devtools.screenshot.clipboard.enabled") ?
"screenshot --file --clipboard --selector" :
"screenshot --file --selector";
// Bug 1332936 - it's possible to call `screenshotNode` while the BoxModel highlighter
// is still visible, therefore showing it in the picture.
// To avoid that, we have to hide it before taking the screenshot. The `hideBoxModel`
// will do that, calling `hide` for the highlighter only if previously shown.
yield this.highlighter.hideBoxModel();
// Bug 1180314 - CssSelector might contain white space so need to make sure it is
// passed to screenshot as a single parameter. More work *might* be needed if
// CssSelector could contain escaped single- or double-quotes, backslashes, etc.
CommandUtils.executeOnTarget(this._target,
`${command} '${this.selectionCssSelector}'`);
}),
/**
* Scroll the node into view.
*/
scrollNodeIntoView: function () {
if (!this.selection.isNode()) {
return;
}
this.selection.nodeFront.scrollIntoView();
},
/**
* Duplicate the selected node
*/
duplicateNode: function () {
let selection = this.selection;
if (!selection.isElementNode() ||
selection.isRoot() ||
selection.isAnonymousNode() ||
selection.isPseudoElementNode()) {
return;
}
this.walker.duplicateNode(selection.nodeFront).catch(e => console.error(e));
},
/**
* Delete the selected node.
*/
deleteNode: function () {
if (!this.selection.isNode() ||
this.selection.isRoot()) {
return;
}
// If the markup panel is active, use the markup panel to delete
// the node, making this an undoable action.
if (this.markup) {
this.markup.deleteNode(this.selection.nodeFront);
} else {
// remove the node from content
this.walker.removeNode(this.selection.nodeFront);
}
},
/**
* Add attribute to node.
* Used for node context menu and shouldn't be called directly.
*/
onAddAttribute: function () {
let container = this.markup.getContainer(this.selection.nodeFront);
container.addAttribute();
},
/**
* Copy attribute value for node.
* Used for node context menu and shouldn't be called directly.
*/
onCopyAttributeValue: function () {
clipboardHelper.copyString(this.nodeMenuTriggerInfo.value);
},
/**
* Edit attribute for node.
* Used for node context menu and shouldn't be called directly.
*/
onEditAttribute: function () {
let container = this.markup.getContainer(this.selection.nodeFront);
container.editAttribute(this.nodeMenuTriggerInfo.name);
},
/**
* Remove attribute from node.
* Used for node context menu and shouldn't be called directly.
*/
onRemoveAttribute: function () {
let container = this.markup.getContainer(this.selection.nodeFront);
container.removeAttribute(this.nodeMenuTriggerInfo.name);
},
expandNode: function () {
this.markup.expandAll(this.selection.nodeFront);
},
collapseNode: function () {
this.markup.collapseNode(this.selection.nodeFront);
},
/**
* This method is here for the benefit of the node-menu-link-follow menu item
* in the inspector contextual-menu.
*/
onFollowLink: function () {
let type = this.contextMenuTarget.dataset.type;
let link = this.contextMenuTarget.dataset.link;
this.followAttributeLink(type, link);
},
/**
* Given a type and link found in a node's attribute in the markup-view,
* attempt to follow that link (which may result in opening a new tab, the
* style editor or debugger).
*/
followAttributeLink: function (type, link) {
if (!type || !link) {
return;
}
if (type === "uri" || type === "cssresource" || type === "jsresource") {
// Open link in a new tab.
// When the inspector menu was setup on click (see _getNodeLinkMenuItems), we
// already checked that resolveRelativeURL existed.
this.inspector.resolveRelativeURL(
link, this.selection.nodeFront).then(url => {
if (type === "uri") {
let browserWin = this.target.tab.ownerDocument.defaultView;
browserWin.openUILinkIn(url, "tab");
} else if (type === "cssresource") {
return this.toolbox.viewSourceInStyleEditor(url);
} else if (type === "jsresource") {
return this.toolbox.viewSourceInDebugger(url);
}
return null;
}).catch(e => console.error(e));
} else if (type == "idref") {
// Select the node in the same document.
this.walker.document(this.selection.nodeFront).then(doc => {
return this.walker.querySelector(doc, "#" + CSS.escape(link)).then(node => {
if (!node) {
this.emit("idref-attribute-link-failed");
return;
}
this.selection.setNodeFront(node);
});
}).catch(e => console.error(e));
}
},
/**
* This method is here for the benefit of the node-menu-link-copy menu item
* in the inspector contextual-menu.
*/
onCopyLink: function () {
let link = this.contextMenuTarget.dataset.link;
this.copyAttributeLink(link);
},
/**
* This method is here for the benefit of copying links.
*/
copyAttributeLink: function (link) {
// When the inspector menu was setup on click (see _getNodeLinkMenuItems), we
// already checked that resolveRelativeURL existed.
this.inspector.resolveRelativeURL(link, this.selection.nodeFront).then(url => {
clipboardHelper.copyString(url);
}, console.error);
},
/**
* Returns an object containing the shared handler functions used in the box
* model and grid React components.
*/
getCommonComponentProps() {
return {
setSelectedNode: this.selection.setNodeFront,
onShowBoxModelHighlighterForNode: this.onShowBoxModelHighlighterForNode,
};
},
/**
* Shows the box-model highlighter on the element corresponding to the provided
* NodeFront.
*
* @param {NodeFront} nodeFront
* The node to highlight.
* @param {Object} options
* Options passed to the highlighter actor.
*/
onShowBoxModelHighlighterForNode(nodeFront, options) {
let toolbox = this.toolbox;
toolbox.highlighterUtils.highlightNodeFront(nodeFront, options);
},
async inspectNodeActor(nodeActor, inspectFromAnnotation) {
const nodeFront = await this.walker.getNodeActorFromObjectActor(nodeActor);
if (!nodeFront) {
console.error("The object cannot be linked to the inspector, the " +
"corresponding nodeFront could not be found.");
return false;
}
let isAttached = await this.walker.isInDOMTree(nodeFront);
if (!isAttached) {
console.error("Selected DOMNode is not attached to the document tree.");
return false;
}
await this.selection.setNodeFront(nodeFront, inspectFromAnnotation);
return true;
},
};
/**
* Create a fake toolbox when running the inspector standalone, either in a chrome tab or
* in a content tab.
*
* @param {Target} target to debug
* @param {Function} createThreadClient
* When supported the thread client needs a reference to the toolbox.
* This callback will be called right after the toolbox object is created.
* @param {Object} dependencies
* - react
* - reactDOM
* - browserRequire
*/
const buildFakeToolbox = Task.async(function* (
target, createThreadClient, {
React,
ReactDOM,
browserRequire
}) {
const { InspectorFront } = require("devtools/shared/fronts/inspector");
const { Selection } = require("devtools/client/framework/selection");
const { getHighlighterUtils } = require("devtools/client/framework/toolbox-highlighter-utils");
let notImplemented = function () {
throw new Error("Not implemented in a tab");
};
let fakeToolbox = {
target,
hostType: "bottom",
doc: window.document,
win: window,
on() {}, emit() {}, off() {},
initInspector() {},
browserRequire,
React,
ReactDOM,
isToolRegistered() {
return false;
},
currentToolId: "inspector",
getCurrentPanel() {
return "inspector";
},
get textboxContextMenuPopup() {
notImplemented();
},
getPanel: notImplemented,
openSplitConsole: notImplemented,
viewCssSourceInStyleEditor: notImplemented,
viewJsSourceInDebugger: notImplemented,
viewSource: notImplemented,
viewSourceInDebugger: notImplemented,
viewSourceInStyleEditor: notImplemented,
// For attachThread:
highlightTool() {},
unhighlightTool() {},
selectTool() {},
raise() {},
getNotificationBox() {}
};
fakeToolbox.threadClient = yield createThreadClient(fakeToolbox);
let inspector = InspectorFront(target.client, target.form);
let showAllAnonymousContent =
Services.prefs.getBoolPref("devtools.inspector.showAllAnonymousContent");
let walker = yield inspector.getWalker({ showAllAnonymousContent });
let selection = new Selection(walker);
let highlighter = yield inspector.getHighlighter(false);
fakeToolbox.highlighterUtils = getHighlighterUtils(fakeToolbox);
fakeToolbox.inspector = inspector;
fakeToolbox.walker = walker;
fakeToolbox.selection = selection;
fakeToolbox.highlighter = highlighter;
return fakeToolbox;
});
// URL constructor doesn't support chrome: scheme
let href = window.location.href.replace(/chrome:/, "http://");
let url = new window.URL(href);
// If query parameters are given in a chrome tab, the inspector is running in standalone.
if (window.location.protocol === "chrome:" && url.search.length > 1) {
const { targetFromURL } = require("devtools/client/framework/target-from-url");
const { attachThread } = require("devtools/client/framework/attach-thread");
const browserRequire = BrowserLoader({ window, useOnlyShared: true }).require;
const React = browserRequire("devtools/client/shared/vendor/react");
const ReactDOM = browserRequire("devtools/client/shared/vendor/react-dom");
Task.spawn(function* () {
let target = yield targetFromURL(url);
let fakeToolbox = yield buildFakeToolbox(
target,
(toolbox) => attachThread(toolbox),
{ React, ReactDOM, browserRequire }
);
let inspectorUI = new Inspector(fakeToolbox);
inspectorUI.init();
}).catch(e => {
window.alert("Unable to start the inspector:" + e.message + "\n" + e.stack);
});
}
exports.Inspector = Inspector;
exports.buildFakeToolbox = buildFakeToolbox;