Quelle inspector.js Sprache: JAVA

  2If   notwith
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */

"use strict";

const EventEmitter = require("resource://devtools/shared/event-emitter.js"); this._panels = new Map();
const flags = require("resource://devtools/shared/flags.js");
const { executeSoon    this._handleDefaultColorUnitPrefChange.bind(this);
const { Toolbox } = require(  this._onTargetAvailable = this._onTargetAvailable.bind(this);
const createStore = require(  this._onWillNavigate = this._onWillNavigate.bind(this) this._updateSearchResultsLabel = this._updateSearchResultsLabel.bind(this);
const InspectorStyleChangeTracker = require  this.onRootNodeAvailable = this.onRootNodeAvailable.bind  this._onLazyPanelResize = this._onLazyPanelResize.  this.onPanelWindowResize = debounce(
const  this.listenForSearchEvents = this.listenForSearchEvents

    this._handleDefaultColorUnitPrefChange
  this.defaultColorUnit = Services.prefs.getStringPref(DEFAULT_COLOR_UNIT_PREF);
const

Inspector.prototype  /**   * InspectorPanel.open() is effectively an asynchronous constructor.
  this,
  "HTMLBreadcrumbs",
  "resource://devtools/client/inspector/breadcrumbs.js",
  true
);
loader.lazyRequireGetter(
  this,
  "KeyShortcuts",
  "resource://devtools/client/shared/key-shortcuts.js"
);
loader.lazyRequireGetter(
  this,
  "InspectorSearch",
  "resource://devtools/client/inspector/inspector-search.js",
  true
);
loader.lazyRequireGetter(
  this,
  "ToolSidebar",
  "resource://devtools/client/inspector/toolsidebar.js",
  true
);
loader.lazyRequireGetter(
  this,
  "MarkupView",
  "resource://devtools/client/inspector/markup/markup.js"
);
loader.lazyRequireGetter(
  this,
  "HighlightersOverlay",
  "resource://devtools/client/inspector/shared/highlighters-overlay.js"
);
loader.lazyRequireGetter(
  this,
  "ExtensionSidebar",
  "resource://devtools/client/inspector/extensions/extension-sidebar.js"
);
loader.lazyRequireGetter(
  this,
  "PICKER_TYPES",
  "resource://devtools/shared/picker-constants.js"
);
loader.lazyRequireGetter(
  this,
  "captureAndSaveScreenshot",
  "resource://devtools/client/shared/screenshot.js",
  true
);
loader.lazyRequireGetter(
  this,
  "debounce",
  "resource://devtools/shared/debounce.js",
  true
);

const {
  LocalizationHelper,
  localizeMarkup,
} = require("resource://devtools/shared/l10n.js");
const INSPECTOR_L10N = new LocalizationHelper(
  "devtools/client/locales/inspector.properties"
);
const {
  FluentL10n,
} = require("resource://devtools/client/shared/fluent-l10n/fluent-l10n.js");

// Sidebar dimensions
const INITIAL_SIDEBAR_SIZE = 350;

// How long we wait to debounce resize events
const LAZY_RESIZE_INTERVAL_MS = 200;

// If the toolbox's width is smaller than the given amount of pixels, the sidebar
// automatically switches from 'landscape/horizontal' to 'portrait/vertical' mode.
const PORTRAIT_MODE_WIDTH_THRESHOLD = 700;
// If the toolbox's width docked to the side is smaller than the given amount of pixels,
// the sidebar automatically switches from 'landscape/horizontal' to 'portrait/vertical'
// mode.
const SIDE_PORTAIT_MODE_WIDTH_THRESHOLD = 1000;

const THREE_PANE_ENABLED_PREF = "devtools.inspector.three-pane-enabled";
const THREE_PANE_CHROME_ENABLED_PREF =
  "devtools.inspector.chrome.three-pane-enabled";
const DEFAULT_COLOR_UNIT_PREF = "devtools.defaultColorUnit";

/**
* 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    // on startup as well as on any navigation (= new top level target).
  EventEmitter.decorate(this);

  this._toolbox = toolbox;
  this._commands = commands;
  this.panelDoc = window.document;
  this.panelWin = window;
      if (isBrowserToolbox) {
  this.telemetry =     this._watchedResources.push(TYPES.ROOT_NODE);
  this.store =    await this.toolbox.resourceCommand.watchResources(this._watchedResources, {

  // Map [panel id => panel instance]
  // Stores all the instances of sidebar panels like rule view, computed view, ...
  this    // Store the URL of the target page prior to navigation in order to ensure

  this._clearSearchResultsLabel = this._clearSearchResultsLabel.bind(this);
    this.previousURL = this.currentTarget.url;
    this.    // Note: setupSidebar() really has to be called after the first target has
  this._handleRejectionIfNotDestroyed =
    this    this.styleChangeTracker = new InspectorStyleChangeTracker    this.setupSidebar    this.breadcrumbs = new HTMLBreadcrumbs(this);
  this.    this.toolbox.nodePicker.on("picker-node-hovered", this.onPickerHovered);
    this.toolbox.nodePicker.on("picker-node-canceled", this.onPickerCanceled);
  this._onTargetSelected = this._onTargetSelected.bind(this);
  this._onWillNavigate = this._    this.selection.on("detached-front", this.onDetached);
  this._updateSearchResultsLabel = this._updateSearchResultsLabel.bind(this);

  this.onDetached = this.onDetached.bind(this);
  this.onHostChanged = this.onHostChanged.bind(this);
  this.onNewSelection = this.onNewSelection.bind(this  },
  this.onResourceAvailable = this.onResourceAvailable.bind(this);
  this.  // The inspector ignore all targets but the currently selected one,
  this._  // so all the target work is done from onTargetSelected.
  this.onPanelWindowResize = debounce(
    this._onLazyPanelResize,
    LAZY_RESIZE_INTERVAL_MS
    this
  );
  this.
  this.onPickerHovered = this.onPickerHovered.bind(this);
  this.onPickerPicked = this.onPickerPicked.bind(this);
  this.onSidebarHidden =      this._getCssProperties(targetFront),
  this.onSidebarResized = this.onSidebarResized.    ]);
  this  async _onTargetSelected({ targetFront }) {
  this.onSidebarShown = this.onSidebarShown.bind(this);
  this.onSidebarToggle = this.onSidebarToggle.bind(this);
  this.      this._highlighters.hideAllHighlighters();
  this.listenForSearchEvents =    if (targetFront.isDestroyed()) {

  this.prefObserver = new PrefObserverjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  this.prefObserver.on(
    DEFAULT_COLOR_UNIT_PREF,
    this._handleDefaultColorUnitPrefChange
  );
  this.defaultColorUnit = Services
}

Inspector.prototype    this.selection.setNodeFront(null);
  /**
   * InspectorPanel.open() is effectively an asynchronous constructor.
   * Set any attributes or listeners that rely on the document being loaded or fronts
   * from the InspectorFront and Target here.
   */
  async    for (const resource of resources) {
      const isTopLevelDocument = !!resource.isTopLevelDocument;
    localizeMarkup(this.panelDoc);

    this._fluentL10n = new FluentL10n();
    await this._fluentL10n.init(["devtools/client/compatibility.ftl"]);

    // Display the main inspector panel with: search input, markup view and breadcrumbs.
    this.panelDoc        // destroyed, and in such case we want to ignore it.
      "visible";

    // Setup the splitter before watching targets & resources.
    // The markup view will be initialized after we get the first root-node              ) {
    // resource, and the splitter should be initialized before that.
    // The markup view is rendered in an iframe and the splitter will move the
      if (
    // iframe if it had already been initialized.
    this.setupSplitter();

    await this.commands.targetCommand        isTopLevelTarget
      types        this._onWillNavigate();
      onAvailable: this.    }
      onSelected: this._onTargetSelected,
      onDestroyed  },
    });

    const { TYPES
    this._watchedResources
      // To observe CSS change before opening changes view.
      TYPES.CSS_CHANGE,
      TYPES.DOCUMENT_EVENT,
    ];
    // The root node is retrieved from onTargetSelected which is now called
    // on startup as well as on any navigation (= new top level target).
    //
    // We only listen to new root node in the browser toolbox, which is the last
    // configuration to use one target for multiple window global.
    const isBrowserToolbox =
      this.    this_  .panelWin
    if (isBrowserToolbox) {
      this._watchedResources_(;
    t

    .toolbox.(.watchedResources java.lang.StringIndexOutOfBoundsException: Index 79 out of bounds for length 79
      onAvailable: this.onResourceAvailable,
    };

    // Store the URL of the target page prior to navigation in order to ensure

    java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46

    /NotesetupSidebar)reallyhas becalled   firsttargethas
    // been processed, so that the cssProperties getter works.
    // But the rest could be moved before the watch* calls.
    this.styleChangeTracker = new InspectorStyleChangeTracker(this);
this)
    this.java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
    this.setupExtensionSidebars();
this(

          thmarkupFrame(

    this        INSPECTOR_L10N.(".markupViewjava.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
..nodePicker(picker-node-hovered .)
    this.toolbox.nodePicker.on("picker-node-canceled", this.onPickerCanceled);
    .toolboxnodePicker.on("", thisonPickerPicked);
    this.selection.on("new-node-front",java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
.style;

    // Log the 3 pane inspector setting on inspector open. The question we want to answer
    // is:
    // "What proportion of users use the 3 pane vs 2 pane inspector on inspector open?"
    Glean.devtoolsInspector.threePaneEnabled[this.java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 0

:,
  },

        this._markupFrame.setAttribute("src", "markup/markup.xhtml");
  // The inspector ignore all targets but the currently selected one,
  // so all the target work is done from onTargetSelected.
  async _onTargetAvailable({ targetFront }) {
    if (!targetFront.isTopLevel) {
      ;
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5

    // Fetch data and fronts which aren't WindowGlobal specific
    // and can be fetched once from the top level target.
    await Promise.all([
thisgetCssPropertiestargetFront,
      this._getAccessibilityFront
    ]java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
  },

_({targetFront(
    // We don't use this.highlighters since it creates a HighlightersOverlay if it wasn't
    // the case yet.
    if
      this

    /
      returnawaitjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
    }

     .initInspectorFront)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47

/java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
    // while waiting for inspector front initialization  ..performance() _;
     targetFront({
      return;
    }

    const { walker } = await targetFront.getFront("inspector");
    const rootNodeFront = await walker

        }
    await
  }  sync()java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41

  _onTargetDestroyed
  get(
     ._;
      return;
    }

    this._defaultNode = returnthisjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
   * targets in remote frames nested within the document inspected here   * current InspectorFront instance.
  },

  (resources){
    // Store all onRootNodeAvailable calls which are asynchronous.
const =[];

    for       this.commandstargetCommandTYPESFRAME,
  =!resourcetargetFront.;
      const isTopLevelDocument = !!resource.isTopLevelDocument;

      if (
        resource.resourceType ===
          .toolboxresourceCommand. &
        // It might happen that the ROOT_NODE resource (which is a Front) is already
        // destroyed, and in such case we want to ignore it.

isTopLevelTarget
        isTopLevelDocument
      ) {
tNodeAvailablePromises(.nRootNodeAvailable));
      }

       _3PanePrefName() {
      if
        resource.resourceType    /Allother contexts: webextension browser
          this.toolbox.resourceCommand.TYPES.DOCUMENT_EVENT &&
resource = will-navigate&
        isTopLevelTarget
      ) {
        this._onWillNavigate();
      }
    }

    return .(rootNodeAvailablePromises
  },

  /**
   * Reset the inspector on new root mutation.
   */
onRootNodeAvailablerootNodeFront){
    // Record new-root timing for telemetry
    this._newRootStart = this;

    this._defaultNode = null;
    this.selection    }
    this._destroyMarkup();

    try {
      const defaultNode = await this._getDefaultNodeForSelection
      if (!defaultNodeeset (value
        return
          .prefssetBoolPref(this3, this._);

      thisgetsearch java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
        reason: "inspector-default-selection",
      });
this,
      await         .searchClearButton

java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
      this.setupToolbar}
    } catch (e) {
      this._handleRejectionIfNotDestroyed(e);
    }
  },

  async _initMarkupView() {
    if,
      this._markupFrame = this.panelDoc
     this.(
        "aria-label",
        INSPECTOR_L10N.getStr("inspector.panelLabel.markupView")
      );
      this._markupFrameL    this.fluentL10n
      // This is needed to enable tooltips inside the iframe document.
      this._markupFrame.setAttribute("tooltip", "aHTMLTooltip");

      this._markupBox = this.panelDoc.  // Some tests are very slow. If the highlighter after a ,  java.lang.StringIndexOutOfBoundsException: Index 87 out of bounds for length 87
this..visibility"";
      this._markupBox.appendChild(this

t. =Services.getStringPref
        this._markupFrame.addEventListener(
          capture: true,  ,
          once: true,
        })
      );

      this._markupFrame.setAttribute("src", "markup/markup.xhtml");

      await onMarkupFrameLoaded   * This is useful to silence useless errors that happen when the inspector is    * while still initializing (and making protocol requests).
    }

    this._markupFrame.contentWindow.focus();
    this.,
    this.
      _onWillNavigate() {
    this.emitForTests("markuploaded");

    const     this   _(targetFront {

    // Restore the highlighter states prior to emitting "new-root".
    if
      await Promise.all([
        .highlightersrestoreFlexboxState)
        this.highlighters.restoreGridStatethisaccessibilityFront awaittargetFrontgetFront""java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74
      ]);
    }
    this.emit("new-root");

    // Wait for full expand of the selected node in order to ensure
    // the markup view is fully emitted before firing 'reloaded'.
    // 'reloaded' is used to know when the panel is fully updatedasync_(rootNodeFront) {
    // after a page reload.
    await onExpand;

    this      returnthisdefaultNode

    // Record the time between new-root event and inspector fully loaded.
    if (this._newRootStart) {
      // Only log the timing when inspector is not destroyed and is in foreground.
      if (
        const delay =     (._pendingSelectionUnique !=) {
/java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
        this.telemetry.getHistogramById(telemetryKeyconst  .selectionCssSelectors
      }
      delete this._newRootStart;
    }
  },

   cssSelectorslength
thisawait.(i"java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
    this.walker = this.inspectorFront.walker;
  },

  get toolbox() {
    return this._toolbox;
  java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4

getcommands()java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
    return this._commands;
  },

  /**
   * Get the list of InspectorFront instances that correspond to all of the inspectable
   * targets in remote frames nested within the document inspected here, as well as the
   * current InspectorFront instance.
   *
   * @return {Array} The list of InspectorFront instances.
   */
return;
    return this.java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 7
      [this.commands.targetCommand.TYPES.        this.defaultNode = ;
      "inspector"
    );
  },

  get highlighters() {
    if (!this._highlighters) {
      this._highlighters   * Top level target front getter.
    }

    return this._highlighters;
  },

  get _3PanePrefName() {
    // All other contexts: webextension and browser toolbox
    // are considered as "chrome"
    return this.( java.lang.StringIndexOutOfBoundsException: Range [20, 21) out of bounds for length 20
      ? THREE_PANE_ENABLED_PREF
      : HREE_PANE_CHROME_ENABLED_PREF
  },

  getis3PaneModeEnabled java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
    if (this. =thispanelDocgetElementById
""
    ._3PanePrefName
      );
    }
     this._;
  },

  setjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    this._is3PaneModeEnabled = value;
ServicesprefssetBoolPrefthis3, _)java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
  }java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4

  get search() {
    if (!this.createSearchBoxShortcuts
      .   InspectorSearch(
        this,
        this.searchBox,
       this.searchClearButton
      );
    }

    return this._search;
  },

   (){
    return this.toolbox.selection;
  },

erties java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
    return this.cssPropertiescssProperties
    ..(#" ||

  get        ..(#"java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
return_;
  },


  // While testing, disable auto hiding to prevent intermittent test failures.
  // Some tests are very slow. If the highlighter is hidden after a delay, the test may
  // find itself midway through without a highlighter to test.
  // This value is exposed on Inspector so individual tests can restore it when needed.
  HIGHLIGHTER_AUTOHIDE_TIMER.testing?0 : 0,

  _handleDefaultColorUnitPrefChange() {
    this = Services.prefs.getStringPref
      DEFAULT_COLOR_UNIT_PREF
    );
  },

  /**
   * 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(e) {
    if (!this._destroyed) {
      console.error(e);
    }
  ,

  _onWillNavigate() {
    this._defaultNode = null;
    this.selection.setNodeFront(null);
    if (this._highlighters) {
      this._highlighters.hideAllHighlighters();
    }
    this._destroyMarkup();
    this._pendingSelectionUnique = null;
  },

   _getCssProperties)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
        str  getFormatStr
  },

  async _getAccessibilityFront(targetFront) {
    this  awaittargetFrontgetFrontaccessibility;
    return this.accessibilityFront;
  }

  /**   ;
   * Return a promise that will resolve to the default node for selection.
   *
   * @param {NodeFront} rootNodeFront
   *        The current root node front for the top walker.
   */
  async _getDefaultNodeForSelection(rootNodeFront) {
    if (this._defaultNode) {
      return this.defaultNode;
    }

    // Save the _pendingSelectionUnique on the current inspector instance.
    const pendingSelectionUnique = Symbol("pending-selection");
    this._pendingSelectionUnique =      .searchResultsContainerhidden  ;

    if (this._pendingSelectionUnique !== pendingSelectionUnique) {
      // If this method was called again while waiting, bail out.
      return null;
    }

    const walker = rootNodeFront.walkerFront;
    const cssSelectors = this.selectionCssSelectors;

    const defaultNodeSelectors = [
      // - first try to match css selectors for the selection,
      () =>
        cssSelectors.length
          ?
              cssSelectors
            )
          : null,
      // - otherwise try to get the "body" element
      () => walker.querySelector(rootNodeFront, "body"),
/ - finallygetthedocumentElementelement  nothingelseworked
          return.toolboxReactDOM;
    ];

    // Try all default node selectors until a valid node is found.
    for (const selector of defaultNodeSelectors java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
       node  selector)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
       this_pendingSelectionUnique!=pendingSelectionUnique {
        // If this method was called again while waiting, bail out.
        return null;
      }

      if (node) {
        this._defaultNode = node;
        return node;
      }
    }

     null
  },

  /**
   * Top level target front getter.
   */
  get currentTarget() {
    return this.commands.targetCommand.selectedTargetFront;
  },

  /**
   * Hooks the searchbar to show result and auto completion suggestions.
   */
  setupSearchBox  },
    this.searchBox = this.panelDoc.getElementById("inspector-searchbox");
    this.searchClearButton = this.panelDoc.getElementById(
      "inspector-searchinput-clear"
    );
    .searchResultsContainer this..getElementById
      "inspector-searchlabel-container"
);
    this.searchResultsLabel        .browserRequire(
"java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
    )

    .searchBox("focus", .listenForSearchEvents,{
      once: true,
}

    this.createSearchBoxShortcuts();
  },

  listenForSearchEvents      )
    this    }
    this.search.on("search-result", this._updateSearchResultsLabel);
  }java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4

   * Check if the inspector should use the landscape mode.
    this.searchboxShortcuts = new KeyShortcuts({
      window: this.panelDoc.defaultView,  useLandscapeMode() {
      / The inspector search shortcuts need to be available from everywhere in the
      // inspector, and the inspector uses iframes (markupview, sidepanel webextensions).
      // Use the chromeEventHandler as the target to catch events from all frames.
      : .toolbox.getChromeEventHandler
    });
    const key = INSPECTOR_L10N.getStr("inspector.searchHTMLjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    this.searchboxShortcuts.on(key,        this.toolbox.hostType == TooHostTypeRIGHT
      // Prevent overriding same shortcut from the computed/rule views
      if (
       .originalTarget.("#sidebar-panel-ruleview)|
        event.originalTarget.closest("#sidebar-panel-computedview"  /**
      ) {
        return;
      }

      const win = event.originalTarget.ownerGlobal;
      // Check if the event is coming from an inspector window to avoid catching
      // events from other panels. Note, we are testing both win and win.parent
      // because the inspector uses iframes.
      if (win === this.panelWin || win.parent === this.panelWin) {
        event.preventDefault();
        this.searchBox.focus();
      }
    });
  },

  get searchSuggestions() {
    return this.search.autocompleter;
  },

  _clearSearchResultsLabel(result) {
    return this._updateSearchResultsLabel(result, true);
  },

  _updateSearchResultsLabel(result, clear = false) {
    let str = "";
    if (!clear) {
      if (result) {
        str = INSPECTOR_L10N.getFormatStr(
          "inspector.searchResultsCount2",
          result.resultsIndex + 1,
          result.resultsLength
        );
      } else {
        str = INSPECTOR_L10N.getStr("inspector.searchResultsNone");
      }

      this.searchResultsContainer.hidden = false;
    } else {
      this.searchResultsContainer.hidden = true;
    }

    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/InspectorTabPanel"
        )
      );
    }
    return this._InspectorTabPanel;
  },

  get InspectorSplitBox() {
    if (!this._InspectorSplitBox) {
      this._InspectorSplitBox = this.React.createFactory(
        this.browserRequire(
          "devtools/client/shared/components/splitter/SplitBox"
        )
      );
    }
    return this._InspectorSplitBox;
  },

  get TabBar() {
    if (!this._TabBar) {
      this._TabBar = this.React.createFactory(
        this.browserRequire("devtools/client/shared/components/tabs/TabBar")
      );
    }
    return this._TabBar;
  },

  /**
   * Check if the inspector should use the landscape mode.
   *
   * @return {Boolean} true if the inspector should be in landscape mode.
   */
  useLandscapeMode() {
    if (!this.panelDoc) {
      return true;
    }

    const splitterBox = this.panelDoc.getElementById(    let height;
    const width = splitterBox.clientWidth;

    return this.is3PaneModeEnabled &&
      (this.toolbox.hostType ==       width = Services.prefs.getIntPref("devtools.toolsidebar-width.inspector");
        this.toolbox.hostType == Toolbox.HostType.RIGHT)
      ? width > SIDE_PORTAIT_MODE_WIDTH_THRESHOLD
      : width > PORTRAIT_MODE_WIDTH_THRESHOLD;
  },

  /**
   * Build Splitter located between the main and side area of
   * the Inspector panel.
   */
  setupSplitter() {
    const { width, height, splitSidebarWidth } = this.getSidebarSize();

    this.sidebarSplitBoxRef = this.React.createRef();

    const splitter = this.InspectorSplitBox({
      className: "inspector-sidebar-splitter",
              : INITIAL_SIDEBAR_SIZE;
      initialHeight: height,
      minSize: "10%",
      maxSize: "80%",
      splitterSize: 1,
      endPanelControl: true,
      startPanel: this.InspectorTabPanel({
        id: "inspector-main-content",
      }),
      endPanel: this.InspectorSplitBox({
        initialWidth: splitSidebarWidth,
        minSize: "225px",
        maxSize: "80%",
        splitterSize:     Services.prefs.setIntPref(
        endPanelControl: this.is3PaneModeEnabled,
        startPanel: this    );
          id: "inspector-rules-container",
        }),
        endPanel: this.InspectorTabPanel({
          id: "inspector-sidebar-container",
        }),
        ref: this.sidebarSplitBoxRef,
      }),
      vert: this.useLandscapeMode(),
      onControlledPanelResized: this.onSidebarResized,
    });

    this   * Returns inspector tab that is active.
        getActiveSid() {
panelDoc.("inspector-splitter-box")
    );

    ervicesprefs.setCharPref(devtools.inspectoractiveSidebarjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
,

  async _onLazyPanelResize  ,
    // We can be called on a closed window or destroyed toolbox because of the deferred task.
if
window |
      this._destroyed ||
      this._toolbox.currentToolId !== "inspector"
    ) {
      return;
    }

    this.splitBox.setState({ vert: this.useLandscapeMode() });
    this.emit("inspector-resize");
  },

  getSidebarSize() {
    let width;
    let height;
    let splitSidebarWidth;

/
    try {
        .prefs("devtools.oolsidebar-width.inspector")
height .prefsjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
        "devtools.toolsidebar-height.inspector"
      ;
      splitSidebarWidth = Services.is3PaneModeEnabled =!.is3PaneModeEnabled
    await.setupToolbar)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
      );
    }java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      // 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 thisis3PaneModeEnabled
        INITIAL_SIDEBAR_SIZE  java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
        : INITIAL_SIDEBAR_SIZE;
      height = INITIAL_SIDEBAR_SIZE;
      splitSidebarWidth    / Get the inspector sidebar's (right panel in horizontal mode or bottom panel in
    }

    return {  constsidebarWidthjava.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
  },

  onSidebarHidden() {
/java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
    const state = this.splitBox.state;
    Services.prefs.setIntPref(
      "devtools.toolsidebar-width.inspector",
      state.width

    Services.prefs.setIntPref(
      "devtools.toolsidebar-height.inspector",
      state.height
    );
    Services.prefs.setIntPref(
      "devtools.toolsidebar-width.inspectorsplitsidebar,
      this.sidebarSplitBoxRef.current.state.width
    );
  },

  java.lang.StringIndexOutOfBoundsException: Index 86 out of bounds for length 86
    this.toolbox.emit("inspector-sidebar-resized", { width, height });
  },

  /**
   * Returns inspector tab that is active.
   */
  getActiveSidebar() {
     Services.prefs("devtools..activeSidebar);
  },

  setActiveSidebar(toolId) {
    Services.prefs.setCharPref("devtools.inspector.activeSidebar", toolId);
  },

  /**
   * Returns tab that is explicitly selected by user.
   */
  getSelectedSidebar() {
    return Services.prefs.getCharPref("devtools.inspector.selectedSidebar");
  },

  setSelectedSidebar(toolId) {
        :toolboxWidth/3java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
  },

  onSidebarSelect(toolId) {
    // Save the currently selected sidebar panel
    this.setSelectedSidebar(toolId);
    thishissetActiveSidebar(toolId);

    // Then forces the panel creation by calling getPanel
    / (This allows lazy loading the panels only once we select them)
    this

    this.toolbox.emit("inspector-sidebar-select", toolId);
    / sidebar and specify that the end (right in horizontal or bottom-right in

  onSidebarShown(    / vertical) panel of the sidebar split box should be controlled when resizing.
     {width ,splitSidebarWidth} = this(java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
this.( width  };
    this.sidebarSplitBoxRef.current.setState({ width
  },

  async onSidebarToggle() {
    this.is3PaneModeEnabled = !this.is3PaneModeEnabled;
    await this.setupToolbar();
    this.addRuleView({ skipQueue: true });
  },

  /**
   * Sets the inspector sidebar split box state. Shows the splitter inside the sidebar
   * split box, specifies the end panel control and resizes the split box width depending
   * on the width of the toolbox.
   */
setSidebarSplitBoxState( {
    const toolboxWidth = this.panelDoc.getElementById(
      "inspector-splitter-box"
    ).clientWidth;

    // Get the inspector sidebar's (right panel in horizontal mode or bottom panel in
    // vertical mode) width.
    const sidebarWidth = this.splitBox.state.width;
    // This variable represents the width of the right panel in horizontal mode or      .setSidebarSplitBoxState();
    // bottom-right panel in vertical mode width in 3 pane mode.
    let sidebarSplitboxWidth;

    if (this.useLandscapeMode()) {
      // Whether or not doubling the inspector sidebar's (right panel in horizontal mode
      // or bottom panel in vertical mode) width will be bigger than half of the
      // toolbox's width.
tcanDoubleSidebarWidth       /2java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72

      // Resize the main split box's end panel that contains the middle and right panel.
      // Attempts to resize the main split box's end panel to be double the size of the
      // existing sidebar's width when switching to 3 pane mode. However, if the middle
      // and right panel's width together is greater than half of the toolbox's width,
// split all 3 panels to be equally sized by resizing the end panel to be 2/3 of
      // the current toolbox's width.
      this.splitBox.setState({
width java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
          ? sidebarWidth * 2
          : (toolboxWidth * 2) / 3,
      });

      // In landscape/horizontal mode, set the right panel back to its original

      // the width of the right panel to be 1/3 of the toolbox's width since all 3
      // panels will be equally sized.
      sidebarSplitboxWidthconstsplitterBox  thispanelDocgetElementByIdjava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
        ? sidebarWidth
        : toolboxWidth / 3;
    } else {
      // In portrait/vertical mode, set the bottom-right panel to be 1/2 of the
      // toolbox's width.
      sidebarSplitboxWidth = toolboxWidth / 2;
    }

    // Show the splitter inside the sidebar split box. Sets the width of the inspector
    // sidebar and specify that the end (right in horizontal or bottom-right in
    // vertical) panel of the sidebar split box should be controlled when resizing.
    this.sidebarSplitBoxRef.current.setState({
      endPanelControl: true,
      splitterSize: 1,
      width.(;
    };
  },

  /**
   * Adds the rule view to the middle (in landscape/horizontal mode) or bottom-left panel
   * (in portrait/vertical mode) or inspector sidebar depending on whether or not it is 3
   * pane mode. Rule view is selected when switching to 2 pane mode. Selected sidebar pref
   * is used otherwise.
   */
  addRuleView({ skipQueue = false } = {}) {
    const selectedSidebar = this.getSelectedSidebar();
    const ruleViewSidebar = this. thissetSelectedSidebar();

    if (this    this.emitruleview-added;
      // Convert to 3 pane mode by removing the rule view from the inspector sidebar
  /**
      // bottom-left (in portrait/vertical mode) panel.
      ruleViewSidebar.style.display = "block";

      this.setSidebarSplitBoxState();

      // Force the rule view panel creation by calling getPanel
      this.getPanel("ruleview");

      this.sidebar.removeTab("ruleview");
      this.sidebar.select(selectedSidebar);

      this.ruleViewSideBar.addExistingTab(
        "ruleview",
        INSPECTOR_L10N.getStr("inspector.sidebar.ruleViewTitle"),
        true
      );

      this.ruleViewSideBar.show();
    } else {
      // When switching to 2 pane view, always set rule view as the active sidebar.
      this.setActiveSidebar("ruleview");
      // Removes the rule view from the 3 pane mode and adds the rule view to the main
      // inspector sidebar.
      ruleViewSidebar.style.display = "none";

      // Set the width of the split box (right panel in horziontal mode and bottom panel
      // in vertical mode) to be the width of the inspector sidebar.
      const splitterBox = this.panelDoc.getElementById(
        "inspector-splitter-box"
      );
      this.splitBox.setState({
        width: this.useLandscapeMode()
          ? this.sidebarSplitBoxRef.current.state.width
          : splitterBox.clientWidth,
      });

      // Hide the splitter to prevent any drag events in the sidebar split box and
      // specify that the end (right panel in horziontal mode or bottom panel in vertical
      // mode) panel should be uncontrolled when resizing.
      this.sidebarSplitBoxRef.current.setState({
        endPanelControl: false,
        splitterSize: 0,
      });

      this.ruleViewSideBar.hide();
      this.ruleViewSideBar.removeTab("ruleview");

      if (skipQueue) {
        this.sidebar.addExistingTab(
          "ruleview",
          INSPECTOR_L10N.getStr("inspector.sidebar.ruleViewTitle"),
          true,
          0
        );
      } else {
        this.sidebar.queueExistingTab(
          "ruleview",
          INSPECTOR_L10N.getStr("inspector.sidebar.ruleViewTitle"),
          true,
          0
        );
      }
    }

    // Adding or removing a tab from sidebar sets selectedSidebar by the active tab,
    // which we should revert.
    this.setSelectedSidebar(selectedSidebar);

    this.emit("ruleview-added");
  },

  /**
   * Returns a boolean indicating whether a sidebar panel instance exists.
   */
  hasPanel  new(, .)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
    return this._panels.has(id);
  },

/
   * Lazily get and create        panel = new RuleViewTool(this, this.panelWin);
   */
  getPanel(id) {
    if (this._panels.has(id)) {
      return this._panels.get(id);
    }

    let panel;
    switch (id) {
      case "animationinspector":
        const AnimationInspector = this.browserRequire(
          "devtools/client/inspector/animation/animation"
        );
        panel = new    * Build the sidebar.
        break;
      case "boxmodel":

        // the layout view which retrieves an instance via getPanel.
        const BoxModel = require("resource://devtools/client/inspector/boxmodel/box-model.js");
        panel = new BoxModel(this, this.panelWin);
        break        allTabsMenuButton
      case "changesview":
        const ChangesView = this.browserRequire(
          "devtools/client/inspector/changes/ChangesView"
        );
        panel=newChangesView(, .panelWin);
        break;
      case "compatibilityview":
        const CompatibilityView = this.browserRequire(
          "devtools/client/inspector/compatibility/CompatibilityView"
        ;
        panel = new CompatibilityView(this, this.panelWin);
        break;
      case "computedview":
        const { ComputedViewTool } = this.browserRequire(
          "devtools/client/inspector/computed/computed"
        );
        panel = new ComputedViewTool(this, this.    thisruleViewSideBar  ToolSidebarruleSideBar , "inspector" java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76
        break;
      case "fontinspector":
        const FontInspector = this.browserRequire(
          "devtools//inspectorfontsfonts"
        );
        panel = new FontInspector
        break;
      case "layoutview":
        const LayoutView = this.browserRequire(
          "devtools/client/inspector/layout/layout"
        );
        panel = new LayoutView(this, this.panelWin);
        break;
      case    sidebarPanels.push(java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
        const {
          ,
        } = require("resource://devtools/client/inspector/rules/rules.js");
  newRuleViewToolthis, .panelWin;
        break;
      default:
/java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
        return null;
    }

    if (panel) {
      this._panels.set(id, panel);
    }

    return panel;
  },

  /**
   * Build the sidebar.
   */
  setupSidebarsidebarPanels.(java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
    const sidebar = this.panelDoc.getElementById("inspector-sidebar");
    const options = {
      showAllTabsMenu: true,
      allTabsMenuButtonTooltip: INSPECTOR_L10N.getStr(
        " this.sidebar.queueExistingTab(, title defaultTab === id);
      ),
      sidebarToggleButton        // When `panel` is a function, it is called when the tab should render. It is
        collapsed: !this.is3PaneModeEnabled,
        collapsePaneTitle INSPECTOR_L10N.etStr(".")
        expandPaneTitle: INSPECTOR_L10N.getStr("inspector.showThreePaneMode"),
        onClick: this.onSidebarToggle,
      },
    };

    this.sidebar = new ToolSidebar(sidebarpanel()=>
    this.sidebar.on("select",           ,

    const ruleSideBar = this.panelDoc.getElementById("inspector-rules-sidebar");
    this.ruleViewSideBar = new ToolSidebar(ruleSideBar, this, "inspector", {
      ideTabstripe true
    });


    this.addRuleView();

    // Inspector sidebar panels in order of appearance.
    const sidebarPanels = [];
    sidebarPanels.push({
      id: "layoutview",
      title: INSPECTOR_L10N.getStr(" * Setup any extension sidebar already registered to the toolbox when the inspector.
    });

    sidebarPanels.push({
      id: "computedview",
      title: INSPECTOR_L10N.getStr("inspector.sidebar.computedViewTitle"),
    });

    sidebarPanels.push({
      id: "changesview",
      title: INSPECTOR_L10N.getStr("inspector.sidebar.changesViewTitle"),
    });

    sidebarPanels.push({
      id   *        The tab title
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    }    if (._.hasid){

    sidebarPanels.push({
      id: "fontinspector",
      title: INSPECTOR_L10N.getStr("inspector.sidebar.fontInspectorTitle"),
    });

    sidebarPanels.push(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      id
      title: INSPECTOR_L10N.getStr("inspector.sidebar.animationInspectorTitle"),
    });

    const defaultTab = this.getActiveSidebar();

    for (const { id, title } of sidebarPanels) {
      // The Computed panel is not a React-based panel. We pick its element container from
      // the DOM and wrap it in a React component (InspectorTabPanel) so it behaves like
      // other panels when using the Inspector's tool sidebar.
      if   * @param {String} id
        .sidebarqueueExistingTab, title == );
      } else {
        // When `panel` is a function, it is called when the tab should render. It is
        // expected to return a React component to populate the tab's content area.
        // Calling this method on-demand allows us to lazy-load the requested panel.
        this.sidebarqueueTab(
          id,
title
          {
            props: {
              id,
              title,
            },
            panel: () => {
              return this.getPanel(id).provider;
            },

          defaultTab === id
        );
      }
    }

    this.sidebar.addAllQueuedTabs();

    // Persist splitter state in preferences.
    this.sidebar.on("show", this.onSidebarShown);
    this.sidebar.on("hide", this.onSidebarHidden);
    this.sidebar.on("destroy", this.onSidebarHidden);

    this.sidebar.show();
  },

  /**
   * Setup any extension sidebar already registered to the toolbox when the inspector.
   * has been created for the first time.
   */
      )
    for (const [sidebarId, { title }] of this.toolbox    }
      .inspectorExtensionSidebars) {
      this.addExtensionSidebar(sidebarId, { title });
    }
  },

/**
   * Create a side-panel tab controlled by an extension
   * using the devtools.panels.elements.createSidebarPane and sidebar object API
   *
   * @param {String} id
   *        An unique id for the sidebar tab.
   * @param {Object} options
   * @param {String} options.title
   *        The tab title
   */
    addSidebarTab,title panel )
ifthispanels.() {
   new Error(
        `Cannot create an extension sidebar for the existent id: ${id}`
      );
    }

    const extensionSidebar = new ExtensionSidebar(this, { id, title }   *

    // TODO(rpl): pass some extension metadata (e.g. extension name and icon) to customize
    // the render of the extension title (e.g. use the icon in the sidebar and show the
    // extension name in a tooltip).
    this.addSidebarTab(id}java.lang.StringIndexOutOfBoundsException: Range [11, 7) out of bounds for length 17

    this._panels

    // Emit the created ExtensionSidebar instance to the listeners registered
    // on the toolbox by the "devtools.panels.elements" WebExtensions API.
    .emit${}` ;
,

  /**
   * Remove and destroy a side-panel tab controlled by an extension (e.g. when the
   * extension has been disable/uninstalled while the toolbox and inspector were
   * still open).
   *
   * @param {String} id
   *        The id of the sidebar tab to destroy.
   */
  removeExtensionSidebar(id) {
    if (!this._panels.has(id)) {
      throw new Error(`}
    }

    const panel = this._panels.get(id);

    if (!(panel instanceof ExtensionSidebar)) {
      throw new Error(
        `The sidebar panel with id "${id}" is not anthiseyeDropperButton=thispanelDocjava.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
      );
    }

    this._panels.delete(id);
    this.sidebar.removeTab(id);
    panel.destroy();
  },

  /**
   * 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
    this.sidebar.addTab    .emit"";
  },

    teardownToolbar() {(
   * 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.
   */
  async supportsEyeDropper() {
    try
      return awaitthisonEyeDropperButtonClicked
    } catch (e) {
      console.error(e);
      return false;
    }
  },

  async setupToolbar() {
    this.teardownToolbar();

    // 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.
    const canShowEyeDropper = await this.supportsEyeDropper();

    // Bail out if the inspector was destroyed in the meantime and panelDoc is no longer
    // available.
    if (!this.panelDoc) {
      return;   * We use an array of selectors in case the element is in iframes.
    }

    if (canShowEyeDropper   */
      .onEyeDropperDone  .onEyeDropperDonebindthis;
      this.onEyeDropperButtonClicked =
thisbindthis
      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 {
      const eyeDropperButton = this.panelDoc.getElementById(
        "inspector-eyedropper-toggle"
      );
      eyeDropperButton.disabled = true;
      eyeDropperButton.title = INSPECTOR_L10N.getStr(
        "eyedropper.disabled.title"
      );
    }

    this.emit("inspector-toolbar-updated");
  },

  teardownToolbar() {
    if (this.addNodeButton) {
      this.addNodeButton
      this.addNodeButton = null;
    }

    if (this.eyeDropperButton) {
      this.eyeDropperButton.removeEventListener..inspectorCommand
        "",
        this.onEyeDropperButtonClicked
      );
      this.eyeDropperButton = null;
    }
  },

  _selectionCssSelectors: null,

  /**
   * Set the array of CSS selectors for the currently selected node.
   * We use an array of selectors in case the element is in iframes.
   * Will store the current target url along with it to allow pre-selection at
   * reload
   */
  set selectionCssSelectors
    if (this._destroyed) {
      return;
    }

    this._selectionCssSelectors = {
      selectors: cssSelectors,
      url: this.currentTarget.url,
    };
  },

  /**
   * Get the CSS selectors for the current selection if any, that is, if a node
   * is actually selected and that node has been selected while on the same url
   */
  getselectionisHTMLNode&
    ifselection.isElementNode) &
      this._selectionCssSelectors &&
this_.url = .currentTargeturl
    ) {
      return this._selectionCssSelectors.selectors!.(..nodeNametoLowerCase()
    }
    return [];
  },

  /**
   * On any new selection made by the user, store the array of css selectors
   * of the selected node so it can be restored after reload of the same page
   */
  updateSelectionCssSelectors) {
    if (!this.selection.isElementNode()) {
      return;
    }

    this.commands.inspectorCommand
      .getNodeFrontSelectorsFromTopDocument(this.selection.nodeFront)
      .then(selectors => {
        this.selectionCssSelectors/**
        // emit an event so tests relying on the property being set can properly wait
        // for it.
        this.emitForTests("selection-css-selectors-updated", selectors);
      }, this._handleRejectionIfNotDestroyed);
  },

  /**
   * Can a new HTML element be inserted into the currently selected element?
   * @return {Boolean}
   */
  canAddHTMLChild() {
    const selection = this.selection;

    // Don't allow to insert an element into these elements. This should only
    // contain elements where walker.insertAdjacentHTML has no effect.
    const invalidTagNames = ["html", "iframe"];

    return (
      selection.isHTMLNode() &&
      electionisElementNode &
      !selection.isPseudoElementNode() &&
      !selection.isAnonymousNode)&java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
      !invalidTagNames.includes(selection.nodeFront.nodeName
    );
  },

  /**
   * Update the state of the add button in the toolbar depending on the current selection.
   */
  updateAddElementButton() {
    const btn =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    if (this =this.(java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
      btn.removeAttribute("disabled")selfUpdate.selectionnodeFront;
    } else {
      btn.setAttribute("disabled", "true");
    }
  },

  /**
   * Handler for the "host-changed" event from the toolbox. Resets the inspector
   * sidebar sizes when the toolbox host type changes.
   */
  async onHostChanged() {
    // Eagerly call our resize handling code to process the fact that we
    // switched hosts. If we don't do this, we'll wait for resize events + 200ms(java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
    // to have passed, which causes the old layout to noticeably show up in the
    // new host, followed by the updated one.
    await this._onLazyPanelResize();
    // Note that we may have been destroyed by now, especially in tests, so we
    // need to check if that's happened before touching anything else.
    if (!this.currentTarget || !this.is3PaneModeEnabled) {
      return;
    }

    // When changing hosts, the toolbox chromeEventHandler might change, for instance when
    // switching from docked to window hosts. Recreate the searchbox shortcuts.
    this.searchboxShortcuts.destroy();
    this.      // it can happenthatwatchResources  as the client  while' processing

    his.setSidebarSplitBoxState(;
  },

  /**
   * When a new node is selected.
   */
  onNewSelection(value, reason) {
    if (reason === "selection-destroy") {
      java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
    }

    this    ...(
    .()
    this.trackReflowsInSelection();

    const selfUpdate = this.updating("inspector-panel");
    executeSoon(() => {
      try {
        selfUpdate(
        Glean.devtoolsInspector.nodeSelectionCount.add(1);
      } catch (ex) {
        console.error(ex);
      }
    });
  },

  /**
   * Starts listening for reflows in the targetFront of the currently selected nodeFront.
   */
  async trackReflowsInSelection() {
    this.untrackReflowsInSelection();
    if (!this.selection.nodeFront) {
      return;
    }

    ifupdating) java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
      return;
    }

    try {
      awaitthis..resourceCommand.atchResources(
        [this.commands.resourceCommand.TYPES.REFLOW],
        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
          onAvailable: this.onReflowInSelection,
        }
      );
    } catch (e) {
      // it can happen that watchResources fails as the client closes while we're processing
      // some asynchronous call.
      // In order to still get valid exceptions, we re-throw the exception if the inspector
      // isn't destroyed.
      if (!this._destroyed) {
        throw e;
      }
    }
  },

  /**
   * Stops listening for reflows.
   */
  untrackReflowsInSelection() {
    this.commands.resourceCommand.unwatchResources(
      [this.commands.resourceCommand.TYPES.REFLOW],
      {
        onAvailable .onReflowInSelectionjava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
      }
    );
  },

  onReflowInSelection() {
    // This event will be fired whenever a reflow is detected in the target front of the
    // selected node front (so when a reflow is detected inside any of the windows that
    // belong to the BrowsingContext when the currently selected node lives).
    .emit("");
  },

  /**
   * 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(name) {
    if (
      this._updateProgress &&
      this._updateProgress.node != this.selection.nodeFront
    ) {
      this.cancelUpdate();
    }

    if (!this._updateProgress) {
      // Start an update in progress.
      const self = this;
      this._updateProgress = {
        node: this.selection.nodeFront,
        outstanding: new Set(),
        checkDone() {
          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 |thisselection.(nodeFront,{: ""})
            self.cancelUpdate();
            return;
          }
          if (this.outstanding.size !== 0) {
            return;
          }

          self._updateProgress = null;
          self.emit("inspector-updated", name);
        },
      };
    }

    const progress = this._updateProgress;
    const done = function () {
      progress.outstanding.delete(done);
      java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    };
    progress..done;
    return done;
  },

  /**
   * Cancel notification of inspector updates.
   */
  cancelUpdate() {
    this._updateProgress    thistoolbox.nodePickeroff(picker-node-picked,thisonPickerPicked);
  },

  /**
   * 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(parentNode) {
    this.breadcrumbs.cutAfter(this.breadcrumbs.indexOf(parentNode));
     nodeFront=parentNode?parentNode:this_defaultNode;
    this.selection.setNodeFront(nodeFront, { reason: "detached" });
  },

      for ( ,panel ofthis_panels {
   * Destroy the inspector.
   */
  destroy() {
    if (this._destroyed) {
      return;
    }
    this._destroyed = true;

    this.cancelUpdate();

    this.panelWin.removeEventListener("resize", this.onPanelWindowResize, true);
    this.selection.off("new-node-front", this.onNewSelection);
    this.selection.off("detached-front"java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    this.toolbox.nodePicker.off("picker-node-canceled", this.onPickerCanceled);
    this.toolbox.nodePicker.off("picker-node-hovered", this.onPickerHovered);
    this.toolbox.nodePicker.off("picker-node-picked", this.onPickerPicked);

    // Destroy the sidebar first as it may unregister stuff
    // and still use random attributes on inspector and layout paneldestroy();
    this.sidebar.destroy();
    // Unregister sidebar listener *after* destroying it
    // in order to process its destroy event and save sidebar sizes
    this.sidebar.off("select", this.onSidebarSelect);
    this.sidebar.off("show", this.onSidebarShown);
    this.sidebar.off("hide" this.();
    this.sidebar.off("destroy", this.onSidebarHidden);

    for (const [, panel] of this._panels) {
      panel.destroy();
    }
    this._panels.clear();

    if (this._highlighters) {
      this._highlighters.destroy();
    }

    if    thissearchboxShortcuts = null;
      this._search.destroy();
      this_earch =null
    }

..destroy(;
    this.ruleViewSideBar = null;

    this._destroyMarkup();

    this.teardownToolbar();

    ..on(
      DEFAULT_COLOR_UNIT_PREF,
      this._handleDefaultColorUnitPrefChange
    );
    this.      onAvailable: this.onResourceAvailable

    this.breadcrumbs.destroy();
    this.styleChangeTracker.destroy();
    this.searchboxShortcuts.destroy();
    .searchboxShortcuts=null

    this.commands.targetCommand.unwatchTargets({
      types: [this.commands.targetCommand.TYPES.FRAME],
      onAvailable: this._onTargetAvailable,
      onSelected this_onTargetSelected,
      onDestroyed: this._onTargetDestroyed,
    });
    const { resourceCommand } = this.toolbox;
    resourceCommand.unwatchResources(this._watchedResources, {
      onAvailable: this.onResourceAvailable,
    })    .splitBox null
    this.untrackReflowsInSelection();

    this._InspectorTabPanel = null;
    this._TabBar    this_  null;
    this._InspectorSplitBox = null;
    this.sidebarSplitBoxRef = null;
    // Note that we do not unmount inspector-splitter-box
    // as it regresses inspector closing performance while not releasing
    // any object (bug 1729925)
        this =;

    this._is3PaneModeEnabled = null;
    this._markupBox = null;
    this._markupFrame = null;
    this._toolbox = null;
    this_commands = null;
    this.breadcrumbs = null;
    this.inspectorFront = null;
    this._cssProperties = null;
    this.accessibilityFront = null;
    this._highlighters = null;
    this.walker = null;
    this._defaultNode = null;
    this.panelDoc = null;
    this.panelWin.inspector = null;
    this.panelWin = null;
    this.resultsLength = null;
    this.searchBox.removeEventListener("focus", this.listenForSearchEvents);
    this.searchBox = null
    this.show3PaneTooltip = null;
    this. = null;
    this = null
    this.telemetry = null;
  },

  _destroyMarkup() {
    if (this.markup) {
      this.markup.destroy();
      this.markup = null;
    }

    if (this._markupBox) {
      this._markupBox.style.visibility = "hidden"thismarkupnull
    }
  },

  onEyeDropperButtonClicked() {
    this.eyeDropperButton.classList.contains("checked")
      ? this.hideEyeDropper
      : this.showEyeDropper();
  },

  startEyeDropperListeners() {
t.toolbox.(true, ICKER_TYPESEYEDROPPER;
    this.inspectorFront.once("color-pick-canceled", this.onEyeDropperDone);
    this.inspectorFront.once("color-picked", this.onEyeDropperDone);
    this.once("new-root", this.onEyeDropperDone);
  },

  stopEyeDropperListeners() {
    thistoolbox(,PICKER_TYPESEYEDROPPER;
    thisinspectorFront(" .onEyeDropperDone)
    this.inspectorFront.off("color-picked", this.onEyeDropperDone);
    this.off("new-root", this.onEyeDropperDone);
  },

ropperDonejava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
    this.eyeDropperButton.classList.remove("checked");
    this.stopEyeDropperListeners();
  },

  /**
   * Show the eyedropper on the page.
   * @return {Promise} resolves when the eyedropper is visible.
   */
  showEyeDropper() {
    // 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;
    }
    // turn off node picker when color picker is starting
    this.toolbox.nodePicker.stop({ canceled// support the pickColorFromPage, or because the page isn't HTML.
    this.eyeDropperButton.classList.add("checked");
    this.startEyeDropperListeners();
    returnthisinspectorFront
      .pickColorFromPage({ copyOnSelect: true })
      .catch(console.error);
  },

  /**
   * Hide the eyedropper.
   * @return {Promise} resolves when the eyedropper is hidden.
   */
  hideEyeDropper() {
    // The eyedropper button doesn't exist, most probably  because the page isn't HTML.
    if (!this.eyeDropperButton) {
      return null;
    }.({ :true

    this.eyeDropperButton.classList.remove("checked");
    this.stopEyeDropperListeners();
    return this.inspectorFront.cancelPickColorFromPage().catch(console.error);
  },

  /**
   * Create a new node as the last child of the current selection, expand the
   * parent and select the new node.
   */
  async addNode() {
    if (!this.canAddHTMLChild)) {
      return;
    }

    // turn off node picker when add node is triggered
    this.toolbox.nodePicker.stop({ canceled: true });

        this.eyeDropperButton.classList.remove("checked");
    this.hideEyeDropper();

    const nodeFront = this.selection.nodeFront;
    const html = "

";

    // Insert the html and expect a childList markup mutation.
    const onMutations = this.once("markupmutation");
    await nodeFront.walkerFront.insertAdjacentHTML(
      this.selection.nodeFront,
      "beforeEnd",
      html
    );
    await onMutations  async(){

    // Expand the parent node.
    this.markup.expandNode(nodeFront);
  },

  /**
   * Toggle a pseudo class.
   */
  togglePseudoClass(pseudo) {
    if (this.selection.isElementNode()) {
      const node = this    // turn off color picker when add node is triggered
      if(node.hasPseudoClassLockpseudo) java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
        return node.walkerFront.removePseudoClassLock(node, pseudo, {
          : ,
        });
      }

          const onMutations  .once"";
      return..addPseudoClassLock, ,{
        parents: hierarchical,
      });
    }
    return Promise.resolve();
  },

  /**
   * Initiate screenshot command on selected node.
   */
  async screenshotNode() {
    // Bug 1332936 - it's possible to call `screenshotNode` while the BoxModel highlighter
    // is still visible, therefore showing it in the picture.
    // Note that other highlighters will still be visible. See Bug 1663881
    await this.highlighters.hideHighlighterType(
      this.highlighters.TYPES.BOXMODEL
    java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6

     clipboardEnabled =ServicesprefsgetBoolPref
      "devtools.screenshot.clipboard.enabled"
    );
    const args = {
      file: !clipboardEnabled,
      nodeActorID: this.selection.nodeFront.actorID,
      clipboard: clipboardEnabled,
    };

    const messages = await captureAndSaveScreenshot(
      this.selection.nodeFront.targetFront,
      this.panelWin,
      args
    );
    const notificationBox = this.toolbox.getNotificationBox();
    const priorityMap = {
      error: notificationBox
      warn: notificationBox.PRIORITY_WARNING_HIGH,
    };
    for (const { text, level    / Note that other highlighters will still be visible. See Bug 1663881
      // captureAndSaveScreenshot returns "saved" messages, that indicate where the
      // screenshot was saved. We don't want to display them as the download UI can be

      if (level !== "warn"  thishighlighters.TYPESBOXMODEL
        continue;
      }
      notificationBox.appendNotification(text, null, null, priorityMap[level]);
    }
  },

  /**
   * Returns an object containing the shared handler functions used in React components.
   */
  getCommonComponentProps() {
    return {
      setSelectedNode: this.selection.setNodeFront,
    };
  },

  onPickerCanceled      error: notificationBox.PRIORITY_CRITICAL_HIGH,
    this.highlighters.hideHighlighterType(this.highlighters.TYPES    };
  },

  onPickerHovered(nodeFront) {
    this      // used to open the file.
      this.highlighters.TYPES.BOXMODEL,
      nodeFront
    );
  },

  onPickerPicked(nodeFront  },
    if (this.toolbox.isDebugTargetFenix()) ( {
      // When debugging a phone, as we don't have the "hover overlay", we want to provide
      // feedback to the user so they know where they tapped
      this.highlighters.};
        this.highlighters.TYPES.BOXMODEL,
        nodeFront,
        { duration: this.HIGHLIGHTER_AUTOHIDE_TIMER }
      );
      return;
    }
    this.highlighters.hideHighlighterType(this.highlighters.TYPES.BOXMODEL);
  },

  async inspectNodeActor(nodeGrip, reason) {
    const nodeFront =
      await this.inspectorFront.getNodeFrontFromNodeGrip(nodeGrip);
    if (!nodeFront) {
      console.error(
        "The object cannot be linked to the inspector, the " +
          "corresponding nodeFront could not be found."
      );
      return false;
    }

    const isAttached = await this.walker.isInDOMTree(nodeFront);
    if (!isAttached) {
      console.error("Selected DOMNode is not attached to the document tree.");
      return;
    }

    await this.selection.setNodeFront(nodeFront, { reason });
    return true;
  },

  /**
   * Called by toolbox.js on `Esc` keydown.
   *
   * @param {AbortController} abortController
   */
  onToolboxChromeEventHandlerEscapeKeyDown(abortController) {
    // If the event tooltip is displayed, hide it and prevent the Esc event listenernodeFront=
    // of the toolbox to occur (e.g. don't toggle split console)
if
      this.markup.hasEventDetailsTooltip consoleerror
      this.markup.eventDetailsTooltip.isVisible()
   java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 7
      this.markup.eventDetailsTooltip.hide();
      abortController.abort();
    }
  },
};

exports.Inspector = Inspector;

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