Merge mozilla-central into mozilla-inbound

2011-06-24 21:17:16 -04:00 · 2011-06-24 21:17:16 -04:00 · 684c5d0a7c
--- a/browser/app/profile/firefox.js
+++ b/browser/app/profile/firefox.js
@ -999,9 +999,11 @@ pref("services.sync.prefs.sync.spellchecker.dictionary", true);
 pref("services.sync.prefs.sync.xpinstall.whitelist.required", true);
 #endif

-// Disable the error console and inspector
+// Disable the error console
 pref("devtools.errorconsole.enabled", false);
-pref("devtools.inspector.enabled", false);
+
+// Enable the Inspector
+pref("devtools.inspector.enabled", true);

 // Enable the Scratchpad tool.
 pref("devtools.scratchpad.enabled", true);
@ -1027,6 +1029,12 @@ pref("devtools.hud.loglimit.cssparser", 200);
 pref("devtools.hud.loglimit.exception", 200);
 pref("devtools.hud.loglimit.console", 200);

+// The developer tools editor configuration:
+// - tabsize: how many spaces to use when a Tab character is displayed.
+// - expandtab: expand Tab characters to spaces.
+pref("devtools.editor.tabsize", 4);
+pref("devtools.editor.expandtab", true);
+
 // Whether the character encoding menu is under the main Firefox button. This
 // preference is a string so that localizers can alter it.
 pref("browser.menu.showCharacterEncoding", "chrome://browser/locale/browser.properties");
--- a/browser/base/content/browser-sets.inc
+++ b/browser/base/content/browser-sets.inc
@ -242,7 +242,7 @@
    <key id="key_errorConsole" key="&errorConsoleCmd.commandkey;" oncommand="toJavaScriptConsole();" modifiers="accel,shift" disabled="true"/>
    <key id="key_webConsole" key="&webConsoleCmd.commandkey;" oncommand="HUDConsoleUI.toggleHUD();" modifiers="accel,shift"/>
    <key id="key_inspect" key="&inspectMenu.commandkey;" command="Tools:Inspect" modifiers="accel,shift"/>
-    <key id="key_scratchpad" keycode="&scratchpad.keycode;"
+    <key id="key_scratchpad" keycode="&scratchpad.keycode;" modifiers="shift"
         keytext="&scratchpad.keytext;" command="Tools:Scratchpad"/>
    <key id="openFileKb" key="&openFileCmd.commandkey;" command="Browser:OpenFile"  modifiers="accel"/>
    <key id="key_savePage" key="&savePageCmd.commandkey;" command="Browser:SavePage" modifiers="accel"/>
--- a/browser/base/content/browser.xul
+++ b/browser/base/content/browser.xul
@ -224,15 +224,6 @@
      </hbox>
    </panel>

-    <panel id="highlighter-panel"
-           hidden="true"
-           ignorekeys="true"
-           noautofocus="true"
-           noautohide="true"
-           onclick="InspectorUI.stopInspecting();"
-           onmousemove="InspectorUI.highlighter.handleMouseMove(event);"
-           onMozMousePixelScroll="InspectorUI.highlighter.handlePixelScroll(event);"/>
-
    <panel id="inspector-tree-panel"
           orient="vertical"
           hidden="true"
@ -1033,6 +1024,12 @@
 #endif

 </vbox>
+# <iframe id="highlighter-frame"
+#   transparent="true"
+#   type="content"
+#   src="chrome://content/base/highlighter.html"/> is dynamically appended as
+#     the last child of #tab-view-deck, only when it is needed, for minimal
+#     performance impact.
 # <iframe id="tab-view"> is dynamically appended as the 2nd child of #tab-view-deck.
 #     Introducing the iframe dynamically, as needed, was found to be better than
 #     starting with an empty iframe here in browser.xul from a Ts standpoint.
--- a/browser/base/content/highlighter.xhtml
+++ b/browser/base/content/highlighter.xhtml
@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE html>
+<!-- ***** BEGIN LICENSE BLOCK *****
+   - Version: MPL 1.1/GPL 2.0/LGPL 2.1
+   -
+   - The contents of this file are subject to the Mozilla Public License Version
+   - 1.1 (the "License"); you may not use this file except in compliance with
+   - the License. You may obtain a copy of the License at
+   - http://www.mozilla.org/MPL/
+   -
+   - Software distributed under the License is distributed on an "AS IS" basis,
+   - WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+   - for the specific language governing rights and limitations under the
+   - License.
+   -
+   - The Original Code is Inspector Highlighter code.
+   -
+   - The Initial Developer of the Original Code is The Mozilla Foundation.
+   - Portions created by the Initial Developer are Copyright (C) 2011
+   - the Initial Developer. All Rights Reserved.
+   -
+   - Contributor(s):
+   -   Rob Campbell <rcampbell@mozilla.com> (Original Author)
+   -   Paul Rouget <paul@mozilla.com>
+   -
+   - Alternatively, the contents of this file may be used under the terms of
+   - either the GNU General Public License Version 2 or later (the "GPL"), or
+   - the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+   - in which case the provisions of the GPL or the LGPL are applicable instead
+   - of those above. If you wish to allow use of your version of this file only
+   - under the terms of either the GPL or the LGPL, and not to allow others to
+   - use your version of this file under the terms of the MPL, indicate your
+   - decision by deleting the provisions above and replace them with the notice
+   - and other provisions required by the LGPL or the GPL. If you do not delete
+   - the provisions above, a recipient may use your version of this file under
+   - the terms of any one of the MPL, the GPL or the LGPL.
+   -
+   - ***** END LICENSE BLOCK ***** -->
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+  <link rel="stylesheet" href="chrome://browser/skin/highlighter.css" type="text/css"/>
+</head>
+<body>
+<div id="close-button" role="button" class="clickable"/>
+
+<!--
+    To darken the page around the selected node, we use black-transparent
+    divs, organized in 3 rows, keeping the div in the middle transparent.
+-->
+<div id="veil-container">
+  <div id="veil">
+    <div id="veil-topbox" class="veil"/>
+    <div id="veil-middlebox">
+      <div id="veil-leftbox" class="veil"/>
+      <div id="veil-transparentbox"/>
+      <div id="veil-rightbox" class="veil"/>
+    </div>
+    <div id="veil-bottombox" class="veil"/>
+  </div>
+</div>
+
+</body>
+</html>
--- a/browser/base/content/insideOutBox.js
+++ b/browser/base/content/insideOutBox.js
@ -192,12 +192,19 @@ InsideOutBox.prototype =
   *        Force the object box open by expanding all elements in the tree?
   * @param scrollIntoView
   *        Scroll the objectBox into view?
-   * @returns objectBox
+   * @returns nsIDOMNode|null
+   *          A DOM node that represents the "object box", the element that
+   *          holds/displays the given aObject representation in the tree. If
+   *          the object cannot be selected, if it is a stale object, null is
+   *          returned.
   */
  select:
  function IOBox_select(aObject, makeBoxVisible, forceOpen, scrollIntoView)
  {
    let objectBox = this.createObjectBox(aObject);
+    if (!objectBox) {
+      return null;
+    }
    this.selectObjectBox(objectBox, forceOpen);
    if (makeBoxVisible) {
      this.openObjectBox(objectBox);
--- a/browser/base/content/inspector.js
+++ b/browser/base/content/inspector.js
@ -25,6 +25,7 @@
 *   Rob Campbell <rcampbell@mozilla.com> (original author)
 *   Mihai Șucan <mihai.sucan@gmail.com>
 *   Julian Viereck <jviereck@mozilla.com>
+ *   Paul Rouget <paul@mozilla.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
@ -55,152 +56,256 @@ const INSPECTOR_INVISIBLE_ELEMENTS = {
  "title": true,
 };

+// Inspector notifications dispatched through the nsIObserverService.
+const INSPECTOR_NOTIFICATIONS = {
+  // Fires once the Inspector highlighter is initialized and ready for use.
+  HIGHLIGHTER_READY: "highlighter-ready",
+
+  // Fires once the Inspector highlights an element in the page.
+  HIGHLIGHTING: "inspector-highlighting",
+
+  // Fires once the Inspector stops highlighting any element.
+  UNHIGHLIGHTING: "inspector-unhighlighting",
+
+  // Fires once the Inspector completes the initialization and opens up on
+  // screen.
+  OPENED: "inspector-opened",
+
+  // Fires once the Inspector is closed.
+  CLOSED: "inspector-closed",
+};
+
 ///////////////////////////////////////////////////////////////////////////
-//// PanelHighlighter
+//// IFrameHighlighter

 /**
- * A highlighter mechanism using xul panels.
+ * A highlighter mechanism using a transparent xul iframe.
 *
- * @param aBrowser
- *        The XUL browser object for the content window being highlighted.
+ * @param nsIDOMNode aBrowser
+ *        The xul:browser object for the content window being highlighted.
 */
-function PanelHighlighter(aBrowser)
+function IFrameHighlighter(aBrowser)
 {
-  this.panel = document.getElementById("highlighter-panel");
-  this.panel.hidden = false;
-  this.browser = aBrowser;
-  this.win = this.browser.contentWindow;
+  this._init(aBrowser);
 }

-PanelHighlighter.prototype = {
+IFrameHighlighter.prototype = {
+
+  _init: function IFH__init(aBrowser)
+  {
+    this.browser = aBrowser;
+    let stack = this.browser.parentNode;
+    this.win = this.browser.contentWindow;
+    this._highlighting = false;
+
+    let div = document.createElement("div");
+    div.flex = 1;
+    div.setAttribute("style", "pointer-events: none; -moz-user-focus: ignore");
+
+    let iframe = document.createElement("iframe");
+    iframe.setAttribute("id", "highlighter-frame");
+    iframe.setAttribute("transparent", "true");
+    iframe.setAttribute("type", "content");
+    iframe.addEventListener("DOMTitleChanged", function(aEvent) {
+      aEvent.stopPropagation();
+    }, true);
+    iframe.flex = 1;
+    iframe.setAttribute("style", "-moz-user-focus: ignore");
+
+    this.listenOnce(iframe, "load", (function iframeLoaded() {
+      this.iframeDoc = iframe.contentDocument;
+
+      this.veilTopDiv = this.iframeDoc.getElementById("veil-topbox");
+      this.veilLeftDiv = this.iframeDoc.getElementById("veil-leftbox");
+      this.veilMiddleDiv = this.iframeDoc.getElementById("veil-middlebox");
+      this.veilTransparentDiv = this.iframeDoc.getElementById("veil-transparentbox");
+
+      let closeButton = this.iframeDoc.getElementById("close-button");
+      this.listenOnce(closeButton, "click",
+        InspectorUI.closeInspectorUI.bind(InspectorUI, false), false);
+
+      this.browser.addEventListener("click", this, true);
+      iframe.contentWindow.addEventListener("resize", this, false);
+      this.handleResize();
+      Services.obs.notifyObservers(null,
+        INSPECTOR_NOTIFICATIONS.HIGHLIGHTER_READY, null);
+    }).bind(this), true);
+
+    iframe.setAttribute("src", "chrome://browser/content/highlighter.xhtml");
+
+    div.appendChild(iframe);
+    stack.appendChild(div);
+    this.iframe = iframe;
+    this.iframeContainer = div;
+  },
+
+  /**
+   * Destroy the iframe and its nodes.
+   */
+  destroy: function IFH_destroy()
+  {
+    this.browser.removeEventListener("click", this, true);
+    this._highlightRect = null;
+    this._highlighting = false;
+    this.veilTopDiv = null;
+    this.veilLeftDiv = null;
+    this.veilMiddleDiv = null;
+    this.veilTransparentDiv = null;
+    this.node = null;
+    this.iframeDoc = null;
+    this.browser.parentNode.removeChild(this.iframeContainer);
+    this.iframeContainer = null;
+    this.iframe = null;
+    this.win = null
+    this.browser = null;
+  },
+
+  /**
+   * Is the highlighter highlighting? Public method for querying the state
+   * of the highlighter.
+   */
+  get isHighlighting() {
+    return this._highlighting;
+  },

  /**
   * Highlight this.node, unhilighting first if necessary.
   *
-   * @param scroll
+   * @param boolean aScroll
   *        Boolean determining whether to scroll or not.
   */
-  highlight: function PanelHighlighter_highlight(scroll)
+  highlight: function IFH_highlight(aScroll)
  {
    // node is not set or node is not highlightable, bail
-    if (!this.isNodeHighlightable()) {
+    if (!this.node || !this.isNodeHighlightable()) {
      return;
    }

-    this.unhighlight();
+    let clientRect = this.node.getBoundingClientRect();

-    let rect = this.node.getBoundingClientRect();
+    // clientRect is read-only, we need to be able to change properties.
+    let rect = {top: clientRect.top,
+                left: clientRect.left,
+                width: clientRect.width,
+                height: clientRect.height};
+    let oldRect = this._highlightRect;

-    if (scroll) {
+    if (oldRect && rect.top == oldRect.top && rect.left == oldRect.left &&
+        rect.width == oldRect.width && rect.height == oldRect.height) {
+      return; // same rectangle
+    }
+
+    if (aScroll) {
      this.node.scrollIntoView();
    }

-    if (this.viewContainsRect(rect)) {
-      // TODO check for offscreen boundaries, bug565301
-      this.panel.openPopup(this.node, "overlap", 0, 0, false, false);
-      this.panel.sizeTo(rect.width, rect.height);
-    } else {
-      this.highlightVisibleRegion(rect);
+    // Go up in the tree of frames to determine the correct rectangle
+    // coordinates and size.
+    let frameWin = this.node.ownerDocument.defaultView;
+    do {
+      let frameRect = frameWin.frameElement ?
+                      frameWin.frameElement.getBoundingClientRect() :
+                      {top: 0, left: 0};
+
+      if (rect.top < 0) {
+        rect.height += rect.top;
+        rect.top = 0;
+      }
+
+      if (rect.left < 0) {
+        rect.width += rect.left;
+        rect.left = 0;
+      }
+
+      let diffx = frameWin.innerWidth - rect.left - rect.width;
+      if (diffx < 0) {
+        rect.width += diffx;
+      }
+      let diffy = frameWin.innerHeight - rect.top - rect.height;
+      if (diffy < 0) {
+        rect.height += diffy;
+      }
+
+      rect.left += frameRect.left;
+      rect.top += frameRect.top;
+
+      frameWin = frameWin.parent;
+    } while (frameWin != this.win);
+
+    this.highlightRectangle(rect);
+
+    if (this._highlighting) {
+      Services.obs.notifyObservers(null,
+        INSPECTOR_NOTIFICATIONS.HIGHLIGHTING, null);
    }
  },

  /**
   * Highlight the given node.
   *
-   * @param aNode
+   * @param nsIDOMNode aNode
   *        a DOM element to be highlighted
-   * @param aParams
+   * @param object aParams
   *        extra parameters object
   */
-  highlightNode: function PanelHighlighter_highlightNode(aNode, aParams)
+  highlightNode: function IFH_highlightNode(aNode, aParams)
  {
    this.node = aNode;
    this.highlight(aParams && aParams.scroll);
  },

  /**
-   * Highlight the visible region of the region described by aRect, if any.
+   * Highlight a rectangular region.
   *
-   * @param aRect
+   * @param object aRect
+   *        The rectangle region to highlight.
   * @returns boolean
-   *          was a region highlighted?
+   *          True if the rectangle was highlighted, false otherwise.
   */
-  highlightVisibleRegion: function PanelHighlighter_highlightVisibleRegion(aRect)
+  highlightRectangle: function IFH_highlightRectangle(aRect)
  {
-    let offsetX = 0;
-    let offsetY = 0;
-    let width = 0;
-    let height = 0;
-    let visibleWidth = this.win.innerWidth;
-    let visibleHeight = this.win.innerHeight;
+    if (aRect.left >= 0 && aRect.top >= 0 &&
+        aRect.width > 0 && aRect.height > 0) {
+      // The bottom div and the right div are flexibles (flex=1).
+      // We don't need to resize them.
+      this.veilTopDiv.style.height = aRect.top + "px";
+      this.veilLeftDiv.style.width = aRect.left + "px";
+      this.veilMiddleDiv.style.height = aRect.height + "px";
+      this.veilTransparentDiv.style.width = aRect.width + "px";

-    // If any of these edges are out-of-bounds, the node's rectangle is
-    // completely out-of-view and we can return.
-    if (aRect.top > visibleHeight || aRect.left > visibleWidth ||
-        aRect.bottom < 0 || aRect.right < 0) {
-      return false;
+      this._highlighting = true;
+    } else {
+      this.unhighlight();
    }

-    // Calculate node offsets, if values are negative, then start the offsets
-    // at their absolute values from node origin. The delta should be the edge
-    // of view.
-    offsetX = aRect.left < 0 ? Math.abs(aRect.left) : 0;
-    offsetY = aRect.top < 0 ? Math.abs(aRect.top) : 0;
+    this._highlightRect = aRect;

-    // Calculate actual node width, taking into account the available visible
-    // width and then subtracting the offset for the final dimension.
-    width = aRect.right > visibleWidth ? visibleWidth - aRect.left :
-      aRect.width;
-    width -= offsetX;
-
-    // Calculate actual node height using the same formula as above for width.
-    height = aRect.bottom > visibleHeight ? visibleHeight - aRect.top :
-      aRect.height;
-    height -= offsetY;
-
-    // If width and height are non-negative, open the highlighter popup over the
-    // node and sizeTo width and height.
-    if (width > 0 && height > 0) {
-      this.panel.openPopup(this.node, "overlap", offsetX, offsetY, false,
-        false);
-      this.panel.sizeTo(width, height);
-      return true;
-    }
-
-    return false;
+    return this._highlighting;
  },

  /**
-   * Close the highlighter panel.
+   * Clear the highlighter surface.
   */
-  unhighlight: function PanelHighlighter_unhighlight()
+  unhighlight: function IFH_unhighlight()
  {
-    if (this.isHighlighting) {
-      this.panel.hidePopup();
-    }
-  },
-
-  /**
-   * Is the highlighter panel open?
-   *
-   * @returns boolean
-   */
-  get isHighlighting()
-  {
-    return this.panel.state == "open";
+    this._highlighting = false;
+    this.veilMiddleDiv.style.height = 0;
+    this.veilTransparentDiv.style.width = 0;
+    Services.obs.notifyObservers(null,
+      INSPECTOR_NOTIFICATIONS.UNHIGHLIGHTING, null);
  },

  /**
   * Return the midpoint of a line from pointA to pointB.
   *
-   * @param aPointA
+   * @param object aPointA
   *        An object with x and y properties.
-   * @param aPointB
+   * @param object aPointB
   *        An object with x and y properties.
-   * @returns aPoint
+   * @returns object
   *          An object with x and y properties.
   */
-  midPoint: function PanelHighlighter_midPoint(aPointA, aPointB)
+  midPoint: function IFH_midPoint(aPointA, aPointB)
  {
    let pointC = { };
    pointC.x = (aPointB.x - aPointA.x) / 2 + aPointA.x;
@ -213,28 +318,25 @@ PanelHighlighter.prototype = {
   * Calculation based on midpoint of diagonal from top left to bottom right
   * of panel.
   *
-   * @returns a DOM node or null if none
+   * @returns nsIDOMNode|null
+   *          Returns the node under the current highlighter rectangle. Null is
+   *          returned if there is no node highlighted.
   */
  get highlitNode()
  {
-    // No highlighter panel? Bail.
-    if (!this.isHighlighting) {
+    // Not highlighting? Bail.
+    if (!this._highlighting || !this._highlightRect) {
      return null;
    }

-    let browserRect = this.browser.getBoundingClientRect();
-    let clientRect = this.panel.getBoundingClientRect();
-
-    // Calculate top left point offset minus browser chrome.
    let a = {
-      x: clientRect.left - browserRect.left,
-      y: clientRect.top - browserRect.top
+      x: this._highlightRect.left,
+      y: this._highlightRect.top
    };

-    // Calculate bottom right point minus browser chrome.
    let b = {
-      x: clientRect.right - browserRect.left,
-      y: clientRect.bottom - browserRect.top
+      x: a.x + this._highlightRect.width,
+      y: a.y + this._highlightRect.height
    };

    // Get midpoint of diagonal line.
@ -248,80 +350,195 @@ PanelHighlighter.prototype = {
   * Is this.node highlightable?
   *
   * @returns boolean
+   *          True if the node is highlightable or false otherwise.
   */
-  isNodeHighlightable: function PanelHighlighter_isNodeHighlightable()
+  isNodeHighlightable: function IFH_isNodeHighlightable()
  {
-    if (!this.node) {
+    if (!this.node || this.node.nodeType != Node.ELEMENT_NODE) {
      return false;
    }
    let nodeName = this.node.nodeName.toLowerCase();
-    if (nodeName[0] == '#') {
-      return false;
-    }
    return !INSPECTOR_INVISIBLE_ELEMENTS[nodeName];
  },

-  /**
-   * Returns true if the given viewport-relative rect is within the visible area
-   * of the window.
-   *
-   * @param aRect
-   *        a CSS rectangle object
-   * @returns boolean
-   */
-  viewContainsRect: function PanelHighlighter_viewContainsRect(aRect)
-  {
-    let visibleWidth = this.win.innerWidth;
-    let visibleHeight = this.win.innerHeight;
-
-    return ((0 <= aRect.left) && (aRect.right <= visibleWidth) &&
-        (0 <= aRect.top) && (aRect.bottom <= visibleHeight))
-  },
-
  /////////////////////////////////////////////////////////////////////////
  //// Event Handling

+  attachInspectListeners: function IFH_attachInspectListeners()
+  {
+    this.browser.addEventListener("mousemove", this, true);
+    this.browser.addEventListener("dblclick", this, true);
+    this.browser.addEventListener("mousedown", this, true);
+    this.browser.addEventListener("mouseup", this, true);
+  },
+
+  detachInspectListeners: function IFH_detachInspectListeners()
+  {
+    this.browser.removeEventListener("mousemove", this, true);
+    this.browser.removeEventListener("dblclick", this, true);
+    this.browser.removeEventListener("mousedown", this, true);
+    this.browser.removeEventListener("mouseup", this, true);
+  },
+
+  /**
+   * Generic event handler.
+   *
+   * @param nsIDOMEvent aEvent
+   *        The DOM event object.
+   */
+  handleEvent: function IFH_handleEvent(aEvent)
+  {
+    switch (aEvent.type) {
+      case "click":
+        this.handleClick(aEvent);
+        break;
+      case "mousemove":
+        this.handleMouseMove(aEvent);
+        break;
+      case "resize":
+        this.handleResize(aEvent);
+        break;
+      case "dblclick":
+      case "mousedown":
+      case "mouseup":
+        aEvent.stopPropagation();
+        aEvent.preventDefault();
+        break;
+    }
+  },
+
+  /**
+   * Handle clicks on the iframe.
+   *
+   * @param nsIDOMEvent aEvent
+   *        The DOM event.
+   */
+  handleClick: function IFH_handleClick(aEvent)
+  {
+    // Proxy the click event to the iframe.
+    let x = aEvent.clientX;
+    let y = aEvent.clientY;
+    let frameWin = aEvent.view;
+    while (frameWin != this.win) {
+      if (frameWin.frameElement) {
+        let frameRect = frameWin.frameElement.getBoundingClientRect();
+        x += frameRect.left;
+        y += frameRect.top;
+      }
+      frameWin = frameWin.parent;
+    }
+
+    let element = this.iframeDoc.elementFromPoint(x, y);
+    if (element && element.classList &&
+        element.classList.contains("clickable")) {
+      let newEvent = this.iframeDoc.createEvent("MouseEvents");
+      newEvent.initMouseEvent(aEvent.type, aEvent.bubbles, aEvent.cancelable,
+        this.iframeDoc.defaultView, aEvent.detail, aEvent.screenX,
+        aEvent.screenY, x, y, aEvent.ctrlKey, aEvent.altKey, aEvent.shiftKey,
+        aEvent.metaKey, aEvent.button, null);
+      element.dispatchEvent(newEvent);
+      aEvent.preventDefault();
+      aEvent.stopPropagation();
+      return;
+    }
+
+    // Stop inspection when the user clicks on a node.
+    if (InspectorUI.inspecting) {
+      if (aEvent.button == 0) {
+        let win = aEvent.target.ownerDocument.defaultView;
+        InspectorUI.stopInspecting();
+        win.focus();
+      }
+      aEvent.preventDefault();
+      aEvent.stopPropagation();
+    }
+  },
+
  /**
   * Handle mousemoves in panel when InspectorUI.inspecting is true.
   *
-   * @param aEvent
+   * @param nsiDOMEvent aEvent
   *        The MouseEvent triggering the method.
   */
-  handleMouseMove: function PanelHighlighter_handleMouseMove(aEvent)
+  handleMouseMove: function IFH_handleMouseMove(aEvent)
  {
    if (!InspectorUI.inspecting) {
      return;
    }
-    let browserRect = this.browser.getBoundingClientRect();
-    let element = InspectorUI.elementFromPoint(this.win.document,
-      aEvent.clientX - browserRect.left, aEvent.clientY - browserRect.top);
+
+    let element = InspectorUI.elementFromPoint(aEvent.target.ownerDocument,
+      aEvent.clientX, aEvent.clientY);
    if (element && element != this.node) {
      InspectorUI.inspectNode(element);
    }
  },

  /**
-   * Handle MozMousePixelScroll in panel when InspectorUI.inspecting is true.
+   * Handle window resize events.
+   */
+  handleResize: function IFH_handleResize()
+  {
+    let style = this.iframeContainer.style;
+    if (this.win.scrollMaxY && this.win.scrollbars.visible) {
+      style.paddingRight = this.getScrollbarWidth() + "px";
+    } else {
+      style.paddingRight = 0;
+    }
+    if (this.win.scrollMaxX && this.win.scrollbars.visible) {
+      style.paddingBottom = this.getScrollbarWidth() + "px";
+    } else {
+      style.paddingBottom = 0;
+    }
+
+    this.highlight();
+  },
+
+  /**
+   * Determine the scrollbar width in the current document.
   *
-   * @param aEvent
-   *        The onMozMousePixelScrollEvent triggering the method.
+   * @returns number
+   *          The scrollbar width in pixels.
+   */
+  getScrollbarWidth: function IFH_getScrollbarWidth()
+  {
+    if (this._scrollbarWidth) {
+      return this._scrollbarWidth;
+    }
+
+    let hbox = document.createElement("hbox");
+    hbox.setAttribute("style", "height: 0%; overflow: hidden");
+
+    let scrollbar = document.createElement("scrollbar");
+    scrollbar.setAttribute("orient", "vertical");
+    hbox.appendChild(scrollbar);
+
+    document.documentElement.appendChild(hbox);
+    this._scrollbarWidth = scrollbar.clientWidth;
+    document.documentElement.removeChild(hbox);
+
+    return this._scrollbarWidth;
+  },
+
+  /**
+   * Helper to listen for an event only once.
+   *
+   * @param nsIDOMEventTarget aTarget
+   *        The DOM event target you want to add an event listener to.
+   * @param string aName
+   *        The event name you want to listen for.
+   * @param function aCallback
+   *        The function you want to execute once for the given event.
+   * @param boolean aCapturing
+   *        Tells if you want to use capture for the event listener.
   * @returns void
   */
-  handlePixelScroll: function PanelHighlighter_handlePixelScroll(aEvent) {
-    if (!InspectorUI.inspecting) {
-      return;
-    }
-    let browserRect = this.browser.getBoundingClientRect();
-    let element = InspectorUI.elementFromPoint(this.win.document,
-      aEvent.clientX - browserRect.left, aEvent.clientY - browserRect.top);
-    let win = element.ownerDocument.defaultView;
-
-    if (aEvent.axis == aEvent.HORIZONTAL_AXIS) {
-      win.scrollBy(aEvent.detail, 0);
-    } else {
-      win.scrollBy(0, aEvent.detail);
-    }
-  }
+  listenOnce: function IFH_listenOnce(aTarget, aName, aCallback, aCapturing)
+  {
+    aTarget.addEventListener(aName, function listenOnce_handler(aEvent) {
+      aTarget.removeEventListener(aName, listenOnce_handler, aCapturing);
+      aCallback.call(this, aEvent);
+    }, aCapturing);
+  },
 };

 ///////////////////////////////////////////////////////////////////////////
@ -332,7 +549,6 @@ PanelHighlighter.prototype = {
 */
 var InspectorUI = {
  browser: null,
-  selectEventsSuppressed: false,
  showTextNodesWithWhitespace: false,
  inspecting: false,
  treeLoaded: false,
@ -395,16 +611,8 @@ var InspectorUI = {
    this.ioBox.createObjectBox(this.win.document.documentElement);
    this.treeLoaded = true;

-    // setup highlighter and start inspecting
+    // initialize the highlighter
    this.initializeHighlighter();
-
-    // Setup the InspectorStore or restore state
-    this.initializeStore();
-
-    if (InspectorStore.getValue(this.winID, "inspecting"))
-      this.startInspecting();
-
-    this.notifyReady();
  },

  /**
@ -584,11 +792,9 @@ var InspectorUI = {
      this.domplateUtils.setDOM(window);
    }

-    // open inspector UI
    this.openTreePanel();

-    this.win.document.addEventListener("scroll", this, false);
-    this.win.addEventListener("resize", this, false);
+    this.browser.addEventListener("scroll", this, true);
    this.inspectCmd.setAttribute("checked", true);
  },

@ -597,7 +803,9 @@ var InspectorUI = {
   */
  initializeHighlighter: function IUI_initializeHighlighter()
  {
-    this.highlighter = new PanelHighlighter(this.browser);
+    Services.obs.addObserver(this.highlighterReady,
+      INSPECTOR_NOTIFICATIONS.HIGHLIGHTER_READY, false);
+    this.highlighter = new IFrameHighlighter(this.browser);
  },

  /**
@ -658,11 +866,10 @@ var InspectorUI = {
      gBrowser.tabContainer.removeEventListener("TabSelect", this, false);
    }

-    this.win.document.removeEventListener("scroll", this, false);
-    this.win.removeEventListener("resize", this, false);
+    this.browser.removeEventListener("scroll", this, true);
    this.stopInspecting();
    if (this.highlighter) {
-      this.highlighter.unhighlight();
+      this.highlighter.destroy();
      this.highlighter = null;
    }

@ -693,7 +900,7 @@ var InspectorUI = {

    this.treePanel.addEventListener("popuphidden", function treePanelHidden() {
      InspectorUI.closing = false;
-      Services.obs.notifyObservers(null, "inspector-closed", null);
+      Services.obs.notifyObservers(null, INSPECTOR_NOTIFICATIONS.CLOSED, null);
    }, false);

    this.treePanel.hidePopup();
@ -716,12 +923,16 @@ var InspectorUI = {
   */
  stopInspecting: function IUI_stopInspecting()
  {
-    if (!this.inspecting)
+    if (!this.inspecting) {
      return;
+    }
+
    this.detachPageListeners();
    this.inspecting = false;
    if (this.highlighter.node) {
      this.select(this.highlighter.node, true, true);
+    } else {
+      this.select(null, true, true);
    }
  },

@ -741,11 +952,10 @@ var InspectorUI = {

    if (forceUpdate || aNode != this.selection) {
      this.selection = aNode;
-      let box = this.ioBox.createObjectBox(this.selection);
      if (!this.inspecting) {
        this.highlighter.highlightNode(this.selection);
      }
-      this.ioBox.select(aNode, true, true, aScroll);
+      this.ioBox.select(this.selection, true, true, aScroll);
    }
  },

@ -754,7 +964,22 @@ var InspectorUI = {

  notifyReady: function IUI_notifyReady()
  {
-    Services.obs.notifyObservers(null, "inspector-opened", null);
+    // Setup the InspectorStore or restore state
+    this.initializeStore();
+
+    if (InspectorStore.getValue(this.winID, "inspecting")) {
+      this.startInspecting();
+    }
+
+    this.win.focus();
+    Services.obs.notifyObservers(null, INSPECTOR_NOTIFICATIONS.OPENED, null);
+  },
+
+  highlighterReady: function IUI_highlighterReady()
+  {
+    Services.obs.removeObserver(InspectorUI.highlighterReady,
+      INSPECTOR_NOTIFICATIONS.HIGHLIGHTER_READY, false);
+    InspectorUI.notifyReady();
  },

  /**
@ -781,9 +1006,10 @@ var InspectorUI = {
          if (inspectorClosed && this.closing) {
            Services.obs.addObserver(function reopenInspectorForTab() {
              Services.obs.removeObserver(reopenInspectorForTab,
-                "inspector-closed", false);
+                INSPECTOR_NOTIFICATIONS.CLOSED, false);
+
              InspectorUI.openInspectorUI();
-            }, "inspector-closed", false);
+            }, INSPECTOR_NOTIFICATIONS.CLOSED, false);
          } else {
            this.openInspectorUI();
          }
@ -815,22 +1041,15 @@ var InspectorUI = {
        switch (event.keyCode) {
          case KeyEvent.DOM_VK_RETURN:
          case KeyEvent.DOM_VK_ESCAPE:
-            this.stopInspecting();
+            if (this.inspecting) {
+              this.stopInspecting();
+              event.preventDefault();
+              event.stopPropagation();
+            }
            break;
        }
        break;
-      case "mousemove":
-        let element = this.elementFromPoint(event.target.ownerDocument,
-          event.clientX, event.clientY);
-        if (element && element != this.node) {
-          this.inspectNode(element);
-        }
-        break;
-      case "click":
-        this.stopInspecting();
-        break;
      case "scroll":
-      case "resize":
        this.highlighter.highlight();
        break;
    }
@ -866,9 +1085,8 @@ var InspectorUI = {
   */
  attachPageListeners: function IUI_attachPageListeners()
  {
-    this.win.addEventListener("keypress", this, true);
-    this.browser.addEventListener("mousemove", this, true);
-    this.browser.addEventListener("click", this, true);
+    this.browser.addEventListener("keypress", this, true);
+    this.highlighter.attachInspectListeners();
  },

  /**
@ -877,9 +1095,8 @@ var InspectorUI = {
   */
  detachPageListeners: function IUI_detachPageListeners()
  {
-    this.win.removeEventListener("keypress", this, true);
-    this.browser.removeEventListener("mousemove", this, true);
-    this.browser.removeEventListener("click", this, true);
+    this.browser.removeEventListener("keypress", this, true);
+    this.highlighter.detachInspectListeners();
  },

  /////////////////////////////////////////////////////////////////////////
@ -894,10 +1111,8 @@ var InspectorUI = {
   */
  inspectNode: function IUI_inspectNode(aNode)
  {
-    this.highlighter.highlightNode(aNode);
-    this.selectEventsSuppressed = true;
    this.select(aNode, true, true);
-    this.selectEventsSuppressed = false;
+    this.highlighter.highlightNode(aNode);
  },

  /**
--- a/browser/base/content/scratchpad.js
+++ b/browser/base/content/scratchpad.js
@ -64,6 +64,9 @@ const SCRATCHPAD_L10N = "chrome://browser/locale/scratchpad.properties";
 const SCRATCHPAD_WINDOW_FEATURES = "chrome,titlebar,toolbar,centerscreen,resizable,dialog=no";
 const DEVTOOLS_CHROME_ENABLED = "devtools.chrome.enabled";

+const PREF_TABSIZE = "devtools.editor.tabsize";
+const PREF_EXPANDTAB = "devtools.editor.expandtab";
+
 /**
 * The scratchpad object handles the Scratchpad window functionality.
 */
@ -628,7 +631,53 @@ var Scratchpad = {
      errorConsoleCommand.removeAttribute("disabled");
      chromeContextCommand.removeAttribute("disabled");
    }
+
+    let tabsize = Services.prefs.getIntPref(PREF_TABSIZE);
+    if (tabsize < 1) {
+      // tabsize is invalid, clear back to the default value.
+      Services.prefs.clearUserPref(PREF_TABSIZE);
+      tabsize = Services.prefs.getIntPref(PREF_TABSIZE);
+    }
+
+    let expandtab = Services.prefs.getBoolPref(PREF_EXPANDTAB);
+    this._tabCharacter = expandtab ? (new Array(tabsize + 1)).join(" ") : "\t";
+    this.textbox.style.MozTabSize = tabsize;
+
    this.insertIntro();
+
+    // Make the Tab key work.
+    this.textbox.addEventListener("keypress", this.onKeypress.bind(this), false);
+
+    this.textbox.focus();
+  },
+
+  /**
+   * The textbox keypress event handler which allows users to indent code using
+   * the Tab key.
+   *
+   * @param nsIDOMEvent aEvent
+   */
+  onKeypress: function SP_onKeypress(aEvent)
+  {
+    if (aEvent.keyCode == aEvent.DOM_VK_TAB) {
+      this.insertTextAtCaret(this._tabCharacter);
+      aEvent.preventDefault();
+    }
+  },
+
+  /**
+   * Insert text at the current caret location.
+   *
+   * @param string aText
+   */
+  insertTextAtCaret: function SP_insertTextAtCaret(aText)
+  {
+    let firstPiece = this.textbox.value.substring(0, this.textbox.selectionStart);
+    let lastPiece = this.textbox.value.substring(this.textbox.selectionEnd);
+    this.textbox.value = firstPiece + aText + lastPiece;
+
+    let newCaretPosition = firstPiece.length + aText.length;
+    this.selectRange(newCaretPosition, newCaretPosition);
  },
 };

--- a/browser/base/content/test/Makefile.in
+++ b/browser/base/content/test/Makefile.in
@ -40,7 +40,10 @@ srcdir		= @srcdir@
 VPATH		= @srcdir@
 relativesrcdir  = browser/base/content/test

-DIRS += tabview
+DIRS += \
+		tabview \
+		inspector \
+		$(NULL)

 include $(DEPTH)/config/autoconf.mk
 include $(topsrcdir)/config/rules.mk
@ -184,16 +187,6 @@ _BROWSER_FILES = \
                 browser_gestureSupport.js \
                 browser_getshortcutoruri.js \
                 browser_hide_removing.js \
-                 browser_inspector_initialization.js \
-                 browser_inspector_treeSelection.js \
-                 browser_inspector_highlighter.js \
-                 browser_inspector_iframeTest.js \
-                 browser_inspector_scrolling.js \
-                 browser_inspector_store.js \
-                 browser_inspector_tab_switch.js \
-                 browser_inspector_treePanel_output.js \
-                 browser_inspector_treePanel_input.html \
-                 browser_inspector_treePanel_result.html \
                 browser_scratchpad_initialization.js \
                 browser_scratchpad_contexts.js \
                 browser_scratchpad_tab_switch.js \
@ -202,6 +195,7 @@ _BROWSER_FILES = \
                 browser_scratchpad_files.js \
                 browser_scratchpad_ui.js \
                 browser_scratchpad_bug_646070_chrome_context_pref.js \
+                 browser_scratchpad_bug_660560_tab.js \
                 browser_overflowScroll.js \
                 browser_locationBarExternalLoad.js \
                 browser_pageInfo.js \
--- a/browser/base/content/test/browser_scratchpad_bug_660560_tab.js
+++ b/browser/base/content/test/browser_scratchpad_bug_660560_tab.js
@ -0,0 +1,116 @@
+/* vim: set ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Reference to the Scratchpad chrome window object.
+let gScratchpadWindow;
+
+function test()
+{
+  waitForExplicitFinish();
+
+  gBrowser.selectedTab = gBrowser.addTab();
+  gBrowser.selectedBrowser.addEventListener("load", function() {
+    gBrowser.selectedBrowser.removeEventListener("load", arguments.callee, true);
+
+    ok(window.Scratchpad, "Scratchpad variable exists");
+
+    Services.prefs.setIntPref("devtools.editor.tabsize", 5);
+
+    gScratchpadWindow = Scratchpad.openScratchpad();
+    gScratchpadWindow.addEventListener("load", runTests, false);
+  }, true);
+
+  content.location = "data:text/html,Scratchpad test for the Tab key, bug 660560";
+}
+
+function runTests()
+{
+  gScratchpadWindow.removeEventListener("load", arguments.callee, false);
+
+  let sp = gScratchpadWindow.Scratchpad;
+  ok(sp, "Scratchpad object exists in new window");
+
+  is(gScratchpadWindow.document.activeElement, sp.textbox.inputField,
+     "The textbox has focus");
+
+  is(sp.textbox.style.MozTabSize, 5, "-moz-tab-size is correct");
+
+  sp.textbox.value = "window.foo;";
+  sp.selectRange(1, 3);
+
+  EventUtils.synthesizeKey("VK_TAB", {}, gScratchpadWindow);
+
+  is(sp.textbox.value, "w     dow.foo;",
+     "Tab key added 5 spaces");
+
+  is(sp.textbox.selectionStart, 6, "caret location is correct");
+
+  is(sp.textbox.selectionStart, sp.textbox.selectionEnd,
+     "caret location is correct, confirmed");
+
+  // Test the new insertTextAtCaret() method.
+
+  sp.insertTextAtCaret("omg");
+
+  is(sp.textbox.value, "w     omgdow.foo;", "insertTextAtCaret() works");
+
+  is(sp.textbox.selectionStart, 9, "caret location is correct after update");
+
+  is(sp.textbox.selectionStart, sp.textbox.selectionEnd,
+     "caret location is correct, confirmed");
+
+  gScratchpadWindow.close();
+
+  Services.prefs.setIntPref("devtools.editor.tabsize", 6);
+  Services.prefs.setBoolPref("devtools.editor.expandtab", false);
+  gScratchpadWindow = Scratchpad.openScratchpad();
+  gScratchpadWindow.addEventListener("load", runTests2, false);
+}
+
+function runTests2()
+{
+  gScratchpadWindow.removeEventListener("load", arguments.callee, false);
+
+  let sp = gScratchpadWindow.Scratchpad;
+
+  is(sp.textbox.style.MozTabSize, 6, "-moz-tab-size is correct");
+
+  sp.textbox.value = "window.foo;";
+  sp.selectRange(1, 3);
+
+  EventUtils.synthesizeKey("VK_TAB", {}, gScratchpadWindow);
+
+  is(sp.textbox.value, "w\tdow.foo;", "Tab key added the tab character");
+
+  is(sp.textbox.selectionStart, 2, "caret location is correct");
+
+  is(sp.textbox.selectionStart, sp.textbox.selectionEnd,
+     "caret location is correct, confirmed");
+
+  gScratchpadWindow.close();
+
+  // check with an invalid tabsize value.
+  Services.prefs.setIntPref("devtools.editor.tabsize", 0);
+  Services.prefs.setBoolPref("devtools.editor.expandtab", true);
+  gScratchpadWindow = Scratchpad.openScratchpad();
+  gScratchpadWindow.addEventListener("load", runTests3, false);
+}
+
+function runTests3()
+{
+  gScratchpadWindow.removeEventListener("load", arguments.callee, false);
+
+  let sp = gScratchpadWindow.Scratchpad;
+
+  is(sp.textbox.style.MozTabSize, 4, "-moz-tab-size is correct");
+
+  Services.prefs.clearUserPref("devtools.editor.tabsize");
+  Services.prefs.clearUserPref("devtools.editor.expandtab");
+
+  gScratchpadWindow.close();
+  gScratchpadWindow = null;
+
+  gBrowser.removeCurrentTab();
+  finish();
+}
--- a/browser/base/content/test/inspector/Makefile.in
+++ b/browser/base/content/test/inspector/Makefile.in
@ -0,0 +1,60 @@
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla Public License Version
+# 1.1 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+# http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+# for the specific language governing rights and limitations under the
+# License.
+#
+# The Original Code is mozilla.org code.
+#
+# The Initial Developer of the Original Code is
+# Mozilla Foundation.
+# Portions created by the Initial Developer are Copyright (C) 2007
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either of the GNU General Public License Version 2 or later (the "GPL"),
+# or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK *****
+
+DEPTH		= ../../../../..
+topsrcdir	= @top_srcdir@
+srcdir		= @srcdir@
+VPATH		= @srcdir@
+relativesrcdir  = browser/base/content/test/inspector
+
+include $(DEPTH)/config/autoconf.mk
+include $(topsrcdir)/config/rules.mk
+
+_BROWSER_FILES = \
+		browser_inspector_initialization.js \
+		browser_inspector_treeSelection.js \
+		browser_inspector_highlighter.js \
+		browser_inspector_iframeTest.js \
+		browser_inspector_scrolling.js \
+		browser_inspector_store.js \
+		browser_inspector_tab_switch.js \
+		browser_inspector_treePanel_output.js \
+		browser_inspector_treePanel_input.html \
+		browser_inspector_treePanel_result.html \
+		$(NULL)
+
+libs::	$(_BROWSER_FILES)
+	$(INSTALL) $(foreach f,$^,"$f") $(DEPTH)/_tests/testing/mochitest/browser/$(relativesrcdir)
--- a/browser/base/content/test/inspector/browser_inspector_highlighter.js
+++ b/browser/base/content/test/inspector/browser_inspector_highlighter.js
@ -22,6 +22,7 @@
 *
 * Contributor(s):
 *   Rob Campbell <rcampbell@mozilla.com>
+ *   Mihai Sucan <mihai.sucan@gmail.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
@ -78,35 +79,40 @@ function setupHighlighterTests()
 {
  h1 = doc.querySelectorAll("h1")[0];
  ok(h1, "we have the header node");
-  Services.obs.addObserver(runSelectionTests, "inspector-opened", false);
+  Services.obs.addObserver(runSelectionTests,
+    INSPECTOR_NOTIFICATIONS.OPENED, false);
  InspectorUI.toggleInspectorUI();
 }

 function runSelectionTests()
 {
-  Services.obs.removeObserver(runSelectionTests, "inspector-opened", false);
-  document.addEventListener("popupshown", performTestComparisons, false);
-  EventUtils.synthesizeMouse(h1, 2, 2, {type: "mousemove"}, content);
+  Services.obs.removeObserver(runSelectionTests,
+    INSPECTOR_NOTIFICATIONS.OPENED, false);
+
+  executeSoon(function() {
+    Services.obs.addObserver(performTestComparisons,
+      INSPECTOR_NOTIFICATIONS.HIGHLIGHTING, false);
+    EventUtils.synthesizeMouse(h1, 2, 2, {type: "mousemove"}, content);
+  });
 }

 function performTestComparisons(evt)
 {
-  if (evt.target.id != "highlighter-panel")
-    return true;
-  document.removeEventListener("popupshown", performTestComparisons, false);
-  is(h1, InspectorUI.selection, "selection matches node");
-  ok(InspectorUI.highlighter.isHighlighting, "panel is highlighting");
-  is(InspectorUI.highlighter.highlitNode, h1, "highlighter matches selection");
+  Services.obs.removeObserver(performTestComparisons,
+    INSPECTOR_NOTIFICATIONS.HIGHLIGHTING, false);

-  Services.obs.addObserver(finishUp, "inspector-closed", false);
-  InspectorUI.closeInspectorUI();
+  InspectorUI.stopInspecting();
+  ok(InspectorUI.highlighter.isHighlighting, "highlighter is highlighting");
+  is(InspectorUI.highlighter.highlitNode, h1, "highlighter matches selection")
+  is(InspectorUI.selection, h1, "selection matches node");
+  is(InspectorUI.selection, InspectorUI.highlighter.highlitNode, "selection matches highlighter");
+
+  doc = h1 = null;
+  executeSoon(finishUp);
 }

 function finishUp() {
-  Services.obs.removeObserver(finishUp, "inspector-closed", false);
-
-  ok(!InspectorUI.highlighter, "panel is not highlighting");
-  doc = h1 = null;
+  InspectorUI.closeInspectorUI();
  gBrowser.removeCurrentTab();
  finish();
 }
@ -120,7 +126,7 @@ function test()
    doc = content.document;
    waitForFocus(createDocument, content);
  }, true);
-  
+
  content.location = "data:text/html,basic tests for inspector";
 }

--- a/browser/base/content/test/inspector/browser_inspector_iframeTest.js
+++ b/browser/base/content/test/inspector/browser_inspector_iframeTest.js
@ -43,6 +43,7 @@ let div1;
 let div2;
 let iframe1;
 let iframe2;
+let highlighterFrame;

 function createDocument()
 {
@ -77,53 +78,59 @@ function createDocument()
  doc.body.appendChild(iframe1);
 }

+function moveMouseOver(aElement)
+{
+  EventUtils.synthesizeMouse(aElement, 2, 2, {type: "mousemove"},
+    aElement.ownerDocument.defaultView);
+}
+
 function setupIframeTests()
 {
-  Services.obs.addObserver(runIframeTests, "inspector-opened", false);
+  Services.obs.addObserver(runIframeTests,
+    INSPECTOR_NOTIFICATIONS.OPENED, false);
  InspectorUI.openInspectorUI();
 }

 function runIframeTests()
 {
-  Services.obs.removeObserver(runIframeTests, "inspector-opened", false);
-  document.addEventListener("popupshown", performTestComparisons1, false);
-  EventUtils.synthesizeMouse(div1, 2, 2, {type: "mousemove"},
-    iframe1.contentWindow);
+  Services.obs.removeObserver(runIframeTests,
+    INSPECTOR_NOTIFICATIONS.OPENED, false);
+
+  Services.obs.addObserver(performTestComparisons1,
+    INSPECTOR_NOTIFICATIONS.HIGHLIGHTING, false);
+
+  highlighterFrame = InspectorUI.highlighter.iframe;
+  executeSoon(moveMouseOver.bind(this, div1));
 }

-function performTestComparisons1(evt)
+function performTestComparisons1()
 {
-  if (evt.target.id != "highlighter-panel") {
-    return true;
-  }
-
-  document.removeEventListener(evt.type, arguments.callee, false);
+  Services.obs.removeObserver(performTestComparisons1,
+    INSPECTOR_NOTIFICATIONS.HIGHLIGHTING, false);
+  Services.obs.addObserver(performTestComparisons2,
+    INSPECTOR_NOTIFICATIONS.HIGHLIGHTING, false);

  is(InspectorUI.selection, div1, "selection matches div1 node");
  is(InspectorUI.highlighter.highlitNode, div1, "highlighter matches selection");

-  document.addEventListener("popupshown", performTestComparisons2, false);
-
-  EventUtils.synthesizeMouse(div2, 2, 2, {type: "mousemove"},
-    iframe2.contentWindow);
+  executeSoon(moveMouseOver.bind(this, div2));
 }

-function performTestComparisons2(evt)
+function performTestComparisons2()
 {
-  if (evt.target.id != "highlighter-panel") {
-    return true;
-  }
-
-  document.removeEventListener(evt.type, arguments.callee, false);
+  Services.obs.removeObserver(performTestComparisons2,
+    INSPECTOR_NOTIFICATIONS.HIGHLIGHTING, false);

  is(InspectorUI.selection, div2, "selection matches div2 node");
  is(InspectorUI.highlighter.highlitNode, div2, "highlighter matches selection");

-  executeSoon(finishUp);
+  finishUp();
 }

 function finishUp() {
-  InspectorUI.closeInspectorUI();
+  InspectorUI.closeInspectorUI(true);
+
+  doc = div1 = div2 = iframe1 = iframe2 = highlighterFrame = null;
  gBrowser.removeCurrentTab();
  finish();
 }
--- a/browser/base/content/test/inspector/browser_inspector_initialization.js
+++ b/browser/base/content/test/inspector/browser_inspector_initialization.js
@ -37,31 +37,41 @@
 *
 * ***** END LICENSE BLOCK ***** */

-let doc;
-
 function startInspectorTests()
 {
  ok(InspectorUI, "InspectorUI variable exists");
-  Services.obs.addObserver(runInspectorTests, "inspector-opened", false);
+  Services.obs.addObserver(runInspectorTests,
+    INSPECTOR_NOTIFICATIONS.OPENED, false);
  InspectorUI.toggleInspectorUI();
 }

 function runInspectorTests()
 {
-  Services.obs.removeObserver(runInspectorTests, "inspector-opened", false);
-  Services.obs.addObserver(finishInspectorTests, "inspector-closed", false);
+  Services.obs.removeObserver(runInspectorTests,
+    INSPECTOR_NOTIFICATIONS.OPENED, false);
+  Services.obs.addObserver(finishInspectorTests,
+    INSPECTOR_NOTIFICATIONS.CLOSED, false);
+
  let iframe = document.getElementById("inspector-tree-iframe");
  is(InspectorUI.treeIFrame, iframe, "Inspector IFrame matches");
-  ok(InspectorUI.inspecting, "Inspector is highlighting");
+  ok(InspectorUI.inspecting, "Inspector is inspecting");
  ok(InspectorUI.isTreePanelOpen, "Inspector Tree Panel is open");
-  InspectorUI.closeInspectorUI();
+  ok(InspectorUI.highlighter, "Highlighter is up");
+
+  executeSoon(function() {
+    InspectorUI.closeInspectorUI();
+  });
 }

 function finishInspectorTests()
 {
-  Services.obs.removeObserver(finishInspectorTests, "inspector-closed", false);
+  Services.obs.removeObserver(finishInspectorTests,
+    INSPECTOR_NOTIFICATIONS.CLOSED, false);
+
+  ok(!InspectorUI.highlighter, "Highlighter is gone");
  ok(!InspectorUI.isTreePanelOpen, "Inspector Tree Panel is closed");
-  ok(!InspectorUI.inspecting, "Inspector is not highlighting");
+  ok(!InspectorUI.inspecting, "Inspector is not inspecting");
+
  gBrowser.removeCurrentTab();
  finish();
 }
@ -72,10 +82,9 @@ function test()
  gBrowser.selectedTab = gBrowser.addTab();
  gBrowser.selectedBrowser.addEventListener("load", function() {
    gBrowser.selectedBrowser.removeEventListener("load", arguments.callee, true);
-    doc = content.document;
    waitForFocus(startInspectorTests, content);
  }, true);
-  
+
  content.location = "data:text/html,basic tests for inspector";
 }

--- a/browser/base/content/test/inspector/browser_inspector_scrolling.js
+++ b/browser/base/content/test/inspector/browser_inspector_scrolling.js
@ -65,34 +65,42 @@ function createDocument()

 function toggleInspector()
 {
-  Services.obs.addObserver(inspectNode, "inspector-opened", false);
+  Services.obs.addObserver(inspectNode, INSPECTOR_NOTIFICATIONS.OPENED, false);
  InspectorUI.toggleInspectorUI();
 }

 function inspectNode()
 {
-  Services.obs.removeObserver(inspectNode, "inspector-opened", false);
-  document.addEventListener("popupshown", performScrollingTest, false);
+  Services.obs.removeObserver(inspectNode,
+    INSPECTOR_NOTIFICATIONS.OPENED, false);
+  Services.obs.addObserver(performScrollingTest,
+    INSPECTOR_NOTIFICATIONS.HIGHLIGHTING, false);

-  InspectorUI.inspectNode(div)
+  executeSoon(function() {
+    InspectorUI.inspectNode(div);
+  });
 }

-function performScrollingTest(aEvent)
+function performScrollingTest()
 {
-  if (aEvent.target.id != "highlighter-panel") {
-    return true;
-  }
+  Services.obs.removeObserver(performScrollingTest,
+    INSPECTOR_NOTIFICATIONS.HIGHLIGHTING, false);

-  document.removeEventListener("popupshown", performScrollingTest, false);
+  EventUtils.synthesizeMouseScroll(div, 10, 10,
+    {axis:"vertical", delta:50, type:"MozMousePixelScroll"},
+    iframe.contentWindow);

-  EventUtils.synthesizeMouseScroll(aEvent.target, 10, 10,
-    {axis:"vertical", delta:50, type:"MozMousePixelScroll"}, window);
+  gBrowser.selectedBrowser.addEventListener("scroll", function() {
+    gBrowser.selectedBrowser.removeEventListener("scroll", arguments.callee,
+      false);

-  is(iframe.contentDocument.body.scrollTop, 50, "inspected iframe scrolled");
+    is(iframe.contentDocument.body.scrollTop, 50, "inspected iframe scrolled");

-  InspectorUI.closeInspectorUI();
-  gBrowser.removeCurrentTab();
-  finish();
+    div = iframe = doc = null;
+    InspectorUI.closeInspectorUI();
+    gBrowser.removeCurrentTab();
+    finish();
+  }, false);
 }

 function test()
--- a/browser/base/content/test/inspector/browser_inspector_store.js
+++ b/browser/base/content/test/inspector/browser_inspector_store.js
@ -39,7 +39,7 @@

 function test()
 {
-  ok(InspectorUI, "InspectorUI variable exists");
+  ok(window.InspectorUI, "InspectorUI variable exists");
  ok(!InspectorUI.inspecting, "Inspector is not highlighting");
  is(InspectorStore.length, 0, "InspectorStore is empty");
  ok(InspectorStore.isEmpty(), "InspectorStore is empty (confirmed)");
--- a/browser/base/content/test/inspector/browser_inspector_tab_switch.js
+++ b/browser/base/content/test/inspector/browser_inspector_tab_switch.js
@ -45,17 +45,19 @@ let tab1window;

 function inspectorTabOpen1()
 {
-  ok(InspectorUI, "InspectorUI variable exists");
+  ok(window.InspectorUI, "InspectorUI variable exists");
  ok(!InspectorUI.inspecting, "Inspector is not highlighting");
  ok(InspectorStore.isEmpty(), "InspectorStore is empty");

-  Services.obs.addObserver(inspectorUIOpen1, "inspector-opened", false);
+  Services.obs.addObserver(inspectorUIOpen1,
+    INSPECTOR_NOTIFICATIONS.OPENED, false);
  InspectorUI.openInspectorUI();
 }

 function inspectorUIOpen1()
 {
-  Services.obs.removeObserver(inspectorUIOpen1, "inspector-opened", false);
+  Services.obs.removeObserver(inspectorUIOpen1,
+    INSPECTOR_NOTIFICATIONS.OPENED, false);

  // Make sure the inspector is open.
  ok(InspectorUI.inspecting, "Inspector is highlighting");
@ -90,14 +92,16 @@ function inspectorTabOpen2()

  // Activate the inspector again.
  executeSoon(function() {
-  Services.obs.addObserver(inspectorUIOpen2, "inspector-opened", false);
+    Services.obs.addObserver(inspectorUIOpen2,
+      INSPECTOR_NOTIFICATIONS.OPENED, false);
    InspectorUI.openInspectorUI();
  });
 }

 function inspectorUIOpen2()
 {
-  Services.obs.removeObserver(inspectorUIOpen2, "inspector-opened", false);
+  Services.obs.removeObserver(inspectorUIOpen2,
+    INSPECTOR_NOTIFICATIONS.OPENED, false);

  // Make sure the inspector is open.
  ok(InspectorUI.inspecting, "Inspector is highlighting");
@ -110,14 +114,16 @@ function inspectorUIOpen2()

  // Switch back to tab 1.
  executeSoon(function() {
-    Services.obs.addObserver(inspectorFocusTab1, "inspector-opened", false);
+    Services.obs.addObserver(inspectorFocusTab1,
+      INSPECTOR_NOTIFICATIONS.OPENED, false);
    gBrowser.selectedTab = tab1;
  });
 }

 function inspectorFocusTab1()
 {
-  Services.obs.removeObserver(inspectorFocusTab1, "inspector-opened", false);
+  Services.obs.removeObserver(inspectorFocusTab1,
+    INSPECTOR_NOTIFICATIONS.OPENED, false);

  // Make sure the inspector is still open.
  ok(InspectorUI.inspecting, "Inspector is highlighting");
@ -126,13 +132,15 @@ function inspectorFocusTab1()
  is(InspectorUI.selection, div, "selection matches the div element");

  // Switch back to tab 2.
-  Services.obs.addObserver(inspectorFocusTab2, "inspector-opened", false);
+  Services.obs.addObserver(inspectorFocusTab2,
+    INSPECTOR_NOTIFICATIONS.OPENED, false);
  gBrowser.selectedTab = tab2;
 }

 function inspectorFocusTab2()
 {
-  Services.obs.removeObserver(inspectorFocusTab2, "inspector-opened", false);
+  Services.obs.removeObserver(inspectorFocusTab2,
+    INSPECTOR_NOTIFICATIONS.OPENED, false);

  // Make sure the inspector is still open.
  ok(!InspectorUI.inspecting, "Inspector is not highlighting");
--- a/browser/base/content/test/inspector/browser_inspector_treePanel_input.html
+++ b/browser/base/content/test/inspector/browser_inspector_treePanel_input.html
@ -15,17 +15,17 @@
  <body arbitrary:attribute="value">
    <p>Inspector tree panel test.</p>

-    <div id="foo" class="foo bar baz" style="border:1px solid red; 
+    <div id="foo" class="foo bar baz" style="border:1px solid red;
      unknownProperty: unknownValue; color: withUnkownValue">
      <unknownTag unknownAttribute="fooBar">
        <p unknownAttribute="fooBar" data-test1="value">hello world!</p>
      </unknownTag>
    </div>

-    <div id="duplicate" id="duplicate" id="different" class="test" class="foo" 
+    <div id="duplicate" id="duplicate" id="different" class="test" class="foo"
      fooBar="baz" fooBar="bazbaz">test</div>

-    <iframe src="data:text/html,&lt;div&gt;hello from an iframe!&lt;/div&gt;">no 
+    <iframe src="data:text/html,&lt;div&gt;hello from an iframe!&lt;/div&gt;">no
      frames!</iframe>

    <!-- hello world from a comment! -->
--- a/browser/base/content/test/inspector/browser_inspector_treePanel_output.js
+++ b/browser/base/content/test/inspector/browser_inspector_treePanel_output.js
@ -42,8 +42,8 @@ let doc = null;
 let xhr = null;
 let expectedResult = "";

-const TEST_URI = "http://mochi.test:8888/browser/browser/base/content/test/browser_inspector_treePanel_input.html";
-const RESULT_URI = "http://mochi.test:8888/browser/browser/base/content/test/browser_inspector_treePanel_result.html";
+const TEST_URI = "http://mochi.test:8888/browser/browser/base/content/test/inspector/browser_inspector_treePanel_input.html";
+const RESULT_URI = "http://mochi.test:8888/browser/browser/base/content/test/inspector/browser_inspector_treePanel_result.html";

 function tabFocused()
 {
@ -63,13 +63,15 @@ function xhr_onReadyStateChange() {
  expectedResult = xhr.responseText.replace(/^\s+|\s+$/mg, '');
  xhr = null;

-  Services.obs.addObserver(inspectorOpened, "inspector-opened", false);
+  Services.obs.addObserver(inspectorOpened,
+    INSPECTOR_NOTIFICATIONS.OPENED, false);
  InspectorUI.openInspectorUI();
 }

 function inspectorOpened()
 {
-  Services.obs.removeObserver(inspectorOpened, "inspector-opened", false);
+  Services.obs.removeObserver(inspectorOpened,
+    INSPECTOR_NOTIFICATIONS.OPENED, false);

  ok(InspectorUI.inspecting, "Inspector is highlighting");
  ok(InspectorUI.isTreePanelOpen, "Inspector Tree Panel is open");
@ -94,13 +96,15 @@ function inspectorOpened()
    expectedResult, "treePanelDiv.innerHTML is correct");
  expectedResult = null;

-  Services.obs.addObserver(inspectorClosed, "inspector-closed", false);
+  Services.obs.addObserver(inspectorClosed,
+    INSPECTOR_NOTIFICATIONS.CLOSED, false);
  InspectorUI.closeInspectorUI();
 }

 function inspectorClosed()
 {
-  Services.obs.removeObserver(inspectorClosed, "inspector-closed", false);
+  Services.obs.removeObserver(inspectorClosed,
+    INSPECTOR_NOTIFICATIONS.CLOSED, false);

  ok(!InspectorUI.inspecting, "Inspector is not highlighting");
  ok(!InspectorUI.isTreePanelOpen, "Inspector Tree Panel is not open");
@ -118,6 +122,6 @@ function test()
    doc = content.document;
    waitForFocus(tabFocused, content);
  }, true);
-  
+
  content.location = TEST_URI;
 }
--- a/browser/base/content/test/inspector/browser_inspector_treePanel_result.html
+++ b/browser/base/content/test/inspector/browser_inspector_treePanel_result.html
--- a/browser/base/content/test/inspector/browser_inspector_treeSelection.js
+++ b/browser/base/content/test/inspector/browser_inspector_treeSelection.js
@ -59,7 +59,6 @@ function createDocument()
  div.appendChild(h1);
  div.appendChild(p1);
  div.appendChild(p2);
-  // doc.body.addEventListener("DOMSubtreeModified", , false);
  doc.body.appendChild(div);
  setupSelectionTests();
 }
@ -68,31 +67,37 @@ function setupSelectionTests()
 {
  h1 = doc.querySelectorAll("h1")[0];
  ok(h1, "we have the header node");
-  Services.obs.addObserver(runSelectionTests, "inspector-opened", false);
+  Services.obs.addObserver(runSelectionTests,
+    INSPECTOR_NOTIFICATIONS.OPENED, false);
  InspectorUI.openInspectorUI();
 }

 function runSelectionTests()
 {
-  Services.obs.removeObserver(runSelectionTests, "inspector-opened", false);
-  InspectorUI.stopInspecting();
-  document.addEventListener("popupshown", performTestComparisons, false);
-  InspectorUI.inspectNode(h1);
+  Services.obs.removeObserver(runSelectionTests,
+    INSPECTOR_NOTIFICATIONS.OPENED, false);
+  Services.obs.addObserver(performTestComparisons,
+    INSPECTOR_NOTIFICATIONS.HIGHLIGHTING, false);
+  executeSoon(function() {
+    InspectorUI.inspectNode(h1);
+  });
 }

 function performTestComparisons(evt)
 {
-  if (evt.target.id != "highlighter-panel")
-    return true;
-  document.removeEventListener("popupshown", performTestComparisons, false);
+  Services.obs.removeObserver(performTestComparisons,
+    INSPECTOR_NOTIFICATIONS.HIGHLIGHTING, false);
+
  is(h1, InspectorUI.selection, "selection matches node");
-  ok(InspectorUI.highlighter.isHighlighting, "panel is highlighting");
-  is(h1, InspectorUI.highlighter.highlitNode, "highlighter highlighting correct node");
+  ok(InspectorUI.highlighter.isHighlighting, "highlighter is highlighting");
+  is(InspectorUI.highlighter.highlitNode, h1, "highlighter highlighting correct node");
+
  finishUp();
 }

 function finishUp() {
  InspectorUI.closeInspectorUI();
+  doc = h1 = null;
  gBrowser.removeCurrentTab();
  finish();
 }
@ -106,7 +111,7 @@ function test()
    doc = content.document;
    waitForFocus(createDocument, content);
  }, true);
-  
+
  content.location = "data:text/html,basic tests for inspector";
 }

--- a/browser/base/jar.mn
+++ b/browser/base/jar.mn
@ -30,6 +30,7 @@ browser.jar:
 *       content/browser/browser.xul                   (content/browser.xul)
 *       content/browser/browser-tabPreviews.xml       (content/browser-tabPreviews.xml)
 *       content/browser/fullscreen-video.xhtml        (content/fullscreen-video.xhtml)
+        content/browser/highlighter.xhtml             (content/highlighter.xhtml)
 *       content/browser/inspector.html                (content/inspector.html)
 *       content/browser/scratchpad.xul                (content/scratchpad.xul)
 *       content/browser/scratchpad.js                 (content/scratchpad.js)
--- a/browser/themes/gnomestripe/browser/highlighter.css
+++ b/browser/themes/gnomestripe/browser/highlighter.css
@ -0,0 +1,104 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Mozilla Inspector Module.
+ *
+ * The Initial Developer of the Original Code is
+ * The Mozilla Foundation.
+ * Portions created by the Initial Developer are Copyright (C) 2011
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Rob Campbell <rcampbell@mozilla.com> (original author)
+ *   Paul Rouget <paul@mozilla.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+body {
+  margin: 0;
+  overflow: hidden;
+}
+
+#close-button {
+  background-image: url("KUI-close.png");
+  border: none;
+  padding: 0;
+  width: 24px;
+  height: 24px;
+  position: fixed;
+  top: 12px;
+  right: 12px;
+  z-index: 1;
+  cursor: pointer;
+}
+
+.veil {
+  background-color: rgba(0, 0, 0, 0.5);
+}
+
+.veil, #veil-middlebox, #veil-transparentbox {
+  -moz-transition: 0.1s;
+  -moz-transition-timing-function: linear;
+}
+
+#veil-container {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+}
+
+#veil {
+  width: 100%;
+  height: 100%;
+  display: -moz-box;
+  -moz-box-orient: vertical;
+}
+
+#veil-topbox, #veil-bottombox {
+  width: 100%;
+}
+
+#veil-bottombox {
+  -moz-box-flex: 1;
+}
+
+#veil-middlebox {
+  display: -moz-box;
+  -moz-box-orient: horizontal;
+}
+
+#veil-leftbox, #veil-rightbox {
+  height: 100%;
+}
+
+#veil-rightbox {
+  -moz-box-flex: 1;
+}
+
+#veil {
+  vertical-align: top;
+}
--- a/browser/themes/gnomestripe/browser/jar.mn
+++ b/browser/themes/gnomestripe/browser/jar.mn
@ -17,6 +17,7 @@ browser.jar:
  skin/classic/browser/Geolocation-16.png
  skin/classic/browser/Geolocation-64.png
  skin/classic/browser/Go-arrow.png
+* skin/classic/browser/highlighter.css
  skin/classic/browser/identity.png
  skin/classic/browser/Info.png
  skin/classic/browser/KUI-close.png
--- a/browser/themes/pinstripe/browser/highlighter.css
+++ b/browser/themes/pinstripe/browser/highlighter.css
@ -0,0 +1,104 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Mozilla Inspector Module.
+ *
+ * The Initial Developer of the Original Code is
+ * The Mozilla Foundation.
+ * Portions created by the Initial Developer are Copyright (C) 2011
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Rob Campbell <rcampbell@mozilla.com> (original author)
+ *   Paul Rouget <paul@mozilla.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+body {
+  margin: 0;
+  overflow: hidden;
+}
+
+#close-button {
+  background-image: url("KUI-close.png");
+  border: none;
+  padding: 0;
+  width: 24px;
+  height: 24px;
+  position: fixed;
+  top: 12px;
+  right: 12px;
+  z-index: 1;
+  cursor: pointer;
+}
+
+.veil {
+  background-color: rgba(0, 0, 0, 0.5);
+}
+
+.veil, #veil-middlebox, #veil-transparentbox {
+  -moz-transition: 0.1s;
+  -moz-transition-timing-function: linear;
+}
+
+#veil-container {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+}
+
+#veil {
+  width: 100%;
+  height: 100%;
+  display: -moz-box;
+  -moz-box-orient: vertical;
+}
+
+#veil-topbox, #veil-bottombox {
+  width: 100%;
+}
+
+#veil-bottombox {
+  -moz-box-flex: 1;
+}
+
+#veil-middlebox {
+  display: -moz-box;
+  -moz-box-orient: horizontal;
+}
+
+#veil-leftbox, #veil-rightbox {
+  height: 100%;
+}
+
+#veil-rightbox {
+  -moz-box-flex: 1;
+}
+
+#veil {
+  vertical-align: top;
+}
--- a/browser/themes/pinstripe/browser/jar.mn
+++ b/browser/themes/pinstripe/browser/jar.mn
@ -15,6 +15,7 @@ browser.jar:
  skin/classic/browser/Geolocation-16.png
  skin/classic/browser/Geolocation-64.png
  skin/classic/browser/Go-arrow.png
+* skin/classic/browser/highlighter.css
  skin/classic/browser/home.png
  skin/classic/browser/hud-style-check-box-checked.png
  skin/classic/browser/hud-style-check-box-empty.png
--- a/browser/themes/winstripe/browser/highlighter.css
+++ b/browser/themes/winstripe/browser/highlighter.css
@ -0,0 +1,105 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Mozilla Inspector Module.
+ *
+ * The Initial Developer of the Original Code is
+ * The Mozilla Foundation.
+ * Portions created by the Initial Developer are Copyright (C) 2011
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Rob Campbell <rcampbell@mozilla.com> (original author)
+ *   Paul Rouget <paul@mozilla.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+body {
+  margin: 0;
+  overflow: hidden;
+}
+
+#close-button {
+  background-image: url("KUI-close.png");
+  border: none;
+  padding: 0;
+  width: 24px;
+  height: 24px;
+  position: fixed;
+  top: 12px;
+  right: 12px;
+  z-index: 1;
+  cursor: pointer;
+}
+
+.veil {
+  background-color: rgba(0, 0, 0, 0.5);
+}
+
+.veil, #veil-middlebox, #veil-transparentbox {
+  -moz-transition: 0.1s;
+  -moz-transition-timing-function: linear;
+}
+
+#veil-container {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+}
+
+#veil {
+  width: 100%;
+  height: 100%;
+  display: -moz-box;
+  -moz-box-orient: vertical;
+}
+
+#veil-topbox, #veil-bottombox {
+  width: 100%;
+}
+
+#veil-bottombox {
+  -moz-box-flex: 1;
+}
+
+#veil-middlebox {
+  display: -moz-box;
+  -moz-box-orient: horizontal;
+}
+
+#veil-leftbox, #veil-rightbox {
+  height: 100%;
+}
+
+#veil-rightbox {
+  -moz-box-flex: 1;
+}
+
+#veil {
+  vertical-align: top;
+}
+
--- a/browser/themes/winstripe/browser/jar.mn
+++ b/browser/themes/winstripe/browser/jar.mn
@ -19,6 +19,7 @@ browser.jar:
        skin/classic/browser/fullscreen-video.css
        skin/classic/browser/Geolocation-16.png
        skin/classic/browser/Geolocation-64.png
+*       skin/classic/browser/highlighter.css
        skin/classic/browser/Info.png                                (Info.png)
        skin/classic/browser/identity.png                            (identity.png)
        skin/classic/browser/keyhole-forward-mask.svg
@ -133,6 +134,7 @@ browser.jar:
        skin/classic/aero/browser/fullscreen-video.css
        skin/classic/aero/browser/Geolocation-16.png
        skin/classic/aero/browser/Geolocation-64.png
+*       skin/classic/aero/browser/highlighter.css
        skin/classic/aero/browser/Info.png                           (Info-aero.png)
        skin/classic/aero/browser/identity.png                       (identity-aero.png)
        skin/classic/aero/browser/keyhole-forward-mask.svg
--- a/js/src/methodjit/PolyIC.h
+++ b/js/src/methodjit/PolyIC.h
@ -84,6 +84,11 @@ struct BaseIC : public MacroAssemblerTypedefs {
    // Slow path stub call.
    CodeLocationCall slowPathCall;

+    // Offset from start of stub to jump target of second shape guard as Nitro
+    // asm data location. This is 0 if there is only one shape guard in the
+    // last stub.
+    int32 secondShapeGuard;
+
    // Whether or not the callsite has been hit at least once.
    bool hit : 1;
    bool slowCallPatched : 1;
@ -91,11 +96,6 @@ struct BaseIC : public MacroAssemblerTypedefs {
    // Number of stubs generated.
    uint32 stubsGenerated : 5;

-    // Offset from start of stub to jump target of second shape guard as Nitro
-    // asm data location. This is 0 if there is only one shape guard in the
-    // last stub.
-    int32 secondShapeGuard : 11;
-
    // Opcode this was compiled for.
    JSOp op : 9;

--- a/layout/generic/TextOverflow.cpp
+++ b/layout/generic/TextOverflow.cpp
@ -179,7 +179,7 @@ IsFrameDescendantOfAny(nsIFrame* aChild,
                       const TextOverflow::FrameHashtable& aSetOfFrames,
                       nsIFrame* aCommonAncestor)
 {
-  for (nsIFrame* f = aChild; f != aCommonAncestor;
+  for (nsIFrame* f = aChild; f && f != aCommonAncestor;
       f = nsLayoutUtils::GetCrossDocParentFrame(f)) {
    if (aSetOfFrames.GetEntry(f)) {
      return true;
--- a/layout/generic/crashtests/crashtests.list
+++ b/layout/generic/crashtests/crashtests.list
@ -362,3 +362,5 @@ load 650499-1.html
 load 660416.html
 load text-overflow-form-elements.html
 load text-overflow-iframe.html
+load text-overflow-bug666751-1.html
+load text-overflow-bug666751-2.html
--- a/layout/generic/crashtests/text-overflow-bug666751-1.html
+++ b/layout/generic/crashtests/text-overflow-bug666751-1.html
@ -0,0 +1,12 @@
+<html class="reftest-wait"><head><script>
+function finish() {
+  window.removeEventListener("MozAfterPaint", finish, false);
+  document.documentElement.removeAttribute("class");
+}
+</script>
+</head><body onload="window.addEventListener('MozAfterPaint', finish, false); document.body.style.backgroundColor='lime';">
+<div style="overflow: scroll;  text-indent: -100px; white-space: pre; text-overflow: ellipsis;"><span style="font-family: -moz-fixed; white-space: normal;"></code><p style="position: fixed;">m
+</p>
+</div>
+
+</body></html>
--- a/layout/generic/crashtests/text-overflow-bug666751-2.html
+++ b/layout/generic/crashtests/text-overflow-bug666751-2.html
@ -0,0 +1,12 @@
+<html class="reftest-wait"><head><script>
+function finish() {
+  window.removeEventListener("MozAfterPaint", finish, false);
+  document.documentElement.removeAttribute("class");
+}
+</script>
+</head><body onload="window.addEventListener('MozAfterPaint', finish, false); document.body.style.backgroundColor='lime';">
+<div style="overflow: scroll;  text-indent: -100px; white-space: pre; text-overflow: ellipsis;"><span style="font-family: -moz-fixed; white-space: normal;"></code><p style="position: absolute;">m
+</p>
+</div>
+
+</body></html>
--- a/mobile/chrome/content/bindings/browser.xml
+++ b/mobile/chrome/content/bindings/browser.xml
@ -530,7 +530,6 @@
        <body>
          <![CDATA[
            let bcr = this.getBoundingClientRect();
-            let view = this.getRootView();
            let scroll = this.getRootView().getPosition();
            return { x: (clientX + scroll.x - bcr.left) / this.scale,
                     y: (clientY + scroll.y - bcr.top) / this.scale };
@ -538,6 +537,19 @@
        </body>
      </method>

+      <method name="transformBrowserToClient">
+        <parameter name="browserX"/>
+        <parameter name="browserY"/>
+        <body>
+          <![CDATA[
+            let bcr = this.getBoundingClientRect();
+            let scroll = this.getRootView().getPosition();
+            return { x: (browserX * this.scale - scroll.x + bcr.left) ,
+                     y: (browserY * this.scale - scroll.y + bcr.top)};
+          ]]>
+        </body>
+      </method>
+
      <constructor>
        <![CDATA[
          this._frameLoader = this.QueryInterface(Components.interfaces.nsIFrameLoaderOwner).frameLoader;
--- a/mobile/chrome/content/browser-scripts.js
+++ b/mobile/chrome/content/browser-scripts.js
@ -71,6 +71,7 @@ XPCOMUtils.defineLazyGetter(this, "CommonUI", function() {
  ["FullScreenVideo"],
  ["BadgeHandlers"],
  ["ContextHelper"],
+  ["SelectionHelper"],
  ["FormHelperUI"],
  ["FindHelperUI"],
  ["NewTabPopup"],
--- a/mobile/chrome/content/browser.js
+++ b/mobile/chrome/content/browser.js
@ -1754,11 +1754,13 @@ const ContentTouchHandler = {
      case "Browser:ContextMenu":
        // Long tap
        let contextMenu = { name: aMessage.name, json: json, target: aMessage.target };
-        if (ContextHelper.showPopup(contextMenu)) {
-          // Stop all input sequences
-          let event = document.createEvent("Events");
-          event.initEvent("CancelTouchSequence", true, false);
-          document.dispatchEvent(event);
+        if (!SelectionHelper.showPopup(contextMenu)) {
+          if (ContextHelper.showPopup(contextMenu)) {
+            // Stop all input sequences
+            let event = document.createEvent("Events");
+            event.initEvent("CancelTouchSequence", true, false);
+            document.dispatchEvent(event);
+          }
        }
        break;
      case "Browser:CaptureEvents": {
--- a/mobile/chrome/content/browser.xul
+++ b/mobile/chrome/content/browser.xul
@ -663,6 +663,9 @@
      </vbox>
    </hbox>

+    <toolbarbutton id="selectionhandle-start" label="^" left="0" top="0" hidden="true"/>
+    <toolbarbutton id="selectionhandle-end" label="^" left="0" top="0" hidden="true"/>
+
    <hbox id="menulist-container" class="window-width window-height context-block" top="0" left="0" hidden="true" flex="1">
      <vbox id="menulist-popup" class="dialog-dark">
        <label id="menulist-title" class="options-title" crop="center" flex="1"/>
--- a/mobile/chrome/content/common-ui.js
+++ b/mobile/chrome/content/common-ui.js
@ -1235,6 +1235,167 @@ var ContextHelper = {
  }
 };

+var SelectionHelper = {
+  enabled: true,
+  popupState: null,
+  target: null,
+  deltaX: -1,
+  deltaY: -1,
+
+  get _start() {
+    delete this._start;
+    return this._start = document.getElementById("selectionhandle-start");
+  },
+
+  get _end() {
+    delete this._end;
+    return this._end = document.getElementById("selectionhandle-end");
+  },
+
+  showPopup: function ch_showPopup(aMessage) {
+    if (!this.enabled || aMessage.json.types.indexOf("content-text") == -1)
+      return false;
+
+    this.popupState = aMessage.json;
+    this.popupState.target = aMessage.target;
+
+    this._start.customDragger = {
+      isDraggable: function isDraggable(target, content) { return { x: true, y: false }; },
+      dragStart: function dragStart(cx, cy, target, scroller) {},
+      dragStop: function dragStop(dx, dy, scroller) { return false; },
+      dragMove: function dragMove(dx, dy, scroller) { return false; }
+    };
+
+    this._end.customDragger = {
+      isDraggable: function isDraggable(target, content) { return { x: true, y: false }; },
+      dragStart: function dragStart(cx, cy, target, scroller) {},
+      dragStop: function dragStop(dx, dy, scroller) { return false; },
+      dragMove: function dragMove(dx, dy, scroller) { return false; }
+    };
+
+    this._start.addEventListener("TapDown", this, true);
+    this._start.addEventListener("TapUp", this, true);
+
+    this._end.addEventListener("TapDown", this, true);
+    this._end.addEventListener("TapUp", this, true);
+
+    messageManager.addMessageListener("Browser:SelectionRange", this);
+    messageManager.addMessageListener("Browser:SelectionCopied", this);
+
+    Services.prefs.setBoolPref("accessibility.browsewithcaret", true);
+    this.popupState.target.messageManager.sendAsyncMessage("Browser:SelectionStart", { x: this.popupState.x, y: this.popupState.y });
+
+    BrowserUI.pushPopup(this, [this._start, this._end]);
+
+    // Hide the selection handles
+    window.addEventListener("resize", this, true);
+    window.addEventListener("keypress", this, true);
+    Elements.browsers.addEventListener("URLChanged", this, true);
+    Elements.browsers.addEventListener("SizeChanged", this, true);
+    Elements.browsers.addEventListener("ZoomChanged", this, true);
+
+    let event = document.createEvent("Events");
+    event.initEvent("CancelTouchSequence", true, false);
+    this.popupState.target.dispatchEvent(event);
+
+    return true;
+  },
+
+  hide: function ch_hide() {
+    if (this._start.hidden)
+      return;
+
+    this.popupState.target.messageManager.sendAsyncMessage("Browser:SelectionEnd", {});
+    this.popupState = null;
+    Services.prefs.setBoolPref("accessibility.browsewithcaret", false);
+
+    this._start.hidden = true;
+    this._end.hidden = true;
+
+    this._start.removeEventListener("TapDown", this, true);
+    this._start.removeEventListener("TapUp", this, true);
+
+    this._end.removeEventListener("TapDown", this, true);
+    this._end.removeEventListener("TapUp", this, true);
+
+    messageManager.removeMessageListener("Browser:SelectionRange", this);
+
+    window.removeEventListener("resize", this, true);
+    window.removeEventListener("keypress", this, true);
+    Elements.browsers.removeEventListener("URLChanged", this, true);
+    Elements.browsers.removeEventListener("SizeChanged", this, true);
+    Elements.browsers.removeEventListener("ZoomChanged", this, true);
+
+    BrowserUI.popPopup(this);
+  },
+
+  handleEvent: function handleEvent(aEvent) {
+    switch (aEvent.type) {
+      case "TapDown":
+        this.target = aEvent.target;
+        this.deltaX = (aEvent.clientX - this.target.left);
+        this.deltaY = (aEvent.clientY - this.target.top);
+        window.addEventListener("TapMove", this, true);
+        break;
+      case "TapUp":
+        window.removeEventListener("TapMove", this, true);
+        this.target = null;
+        this.deltaX = -1;
+        this.deltaY = -1;
+        break;
+      case "TapMove":
+        if (this.target) {
+          this.target.left = aEvent.clientX - this.deltaX;
+          this.target.top = aEvent.clientY - this.deltaY;
+          let rect = this.target.getBoundingClientRect();
+          let data = this.target == this._start ? { x: rect.right, y: rect.top, type: "start" } : { x: rect.left, y: rect.top, type: "end" };
+          let pos = this.popupState.target.transformClientToBrowser(data.x || 0, data.y || 0);
+          let json = {
+            type: data.type,
+            x: pos.x,
+            y: pos.y
+          };
+          this.popupState.target.messageManager.sendAsyncMessage("Browser:SelectionMove", json);
+        }
+        break;
+      case "resize":
+      case "keypress":
+      case "URLChanged":
+      case "SizeChanged":
+      case "ZoomChanged":
+        this.hide();
+        break;
+    }
+  },
+
+  receiveMessage: function sh_receiveMessage(aMessage) {
+    let json = aMessage.json;
+    switch (aMessage.name) {
+      case "Browser:SelectionRange": {
+        let pos = this.popupState.target.transformBrowserToClient(json.start.x || 0, json.start.y || 0);
+        this._start.left = pos.x - 32;
+        this._start.top = pos.y + this.deltaY;
+        this._start.hidden = false;
+
+        pos = this.popupState.target.transformBrowserToClient(json.end.x || 0, json.end.y || 0);
+        this._end.left = pos.x;
+        this._end.top = pos.y;
+        this._end.hidden = false;
+        break;
+      }
+
+      case "Browser:SelectionCopied": {
+        messageManager.removeMessageListener("Browser:SelectionCopied", this);
+        if (json.succeeded) {
+          let toaster = Cc["@mozilla.org/toaster-alerts-service;1"].getService(Ci.nsIAlertsService);
+          toaster.showAlertNotification(null, Strings.browser.GetStringFromName("selectionHelper.textCopied"), "", false, "", null);
+        }
+        break;
+      }
+    }
+  }
+};
+
 var BadgeHandlers = {
  _handlers: [
    {
--- a/mobile/chrome/content/content.js
+++ b/mobile/chrome/content/content.js
@ -918,6 +918,14 @@ var ContextHandler = {
          if (hasData && !elem.readOnly)
            state.types.push("paste");
          break;
+        } else if (elem instanceof Ci.nsIDOMHTMLParagraphElement ||
+                   elem instanceof Ci.nsIDOMHTMLDivElement ||
+                   elem instanceof Ci.nsIDOMHTMLLIElement ||
+                   elem instanceof Ci.nsIDOMHTMLPreElement ||
+                   elem instanceof Ci.nsIDOMHTMLHeadingElement ||
+                   elem instanceof Ci.nsIDOMHTMLTableCellElement) {
+          state.types.push("content-text");
+          break;
        }
      }

@ -1281,6 +1289,7 @@ var TouchEventHandler = {

    if (!this.element)
      return;
+
    let cancelled = !this.sendEvent(type, json, this.element);
    if (type == "touchend")
      this.element = null;
@ -1316,6 +1325,93 @@ var TouchEventHandler = {
    }
    return aElement.dispatchEvent(evt);
  }
-}
+};

 TouchEventHandler.init();
+
+var SelectionHandler = {
+  cache: {},
+  
+  init: function() {
+    addMessageListener("Browser:SelectionStart", this);
+    addMessageListener("Browser:SelectionEnd", this);
+    addMessageListener("Browser:SelectionMove", this);
+  },
+
+  receiveMessage: function(aMessage) {
+    let scrollOffset = ContentScroll.getScrollOffset(content);
+    let utils = Util.getWindowUtils(content);
+    let json = aMessage.json;
+
+    switch (aMessage.name) {
+      case "Browser:SelectionStart": {
+        // Position the caret using a fake mouse click
+        utils.sendMouseEventToWindow("mousedown", json.x - scrollOffset.x, json.y - scrollOffset.y, 0, 1, 0, true);
+        utils.sendMouseEventToWindow("mouseup", json.x - scrollOffset.x, json.y - scrollOffset.y, 0, 1, 0, true);
+
+        // Select the word nearest the caret
+        try {
+          let selcon = docShell.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsISelectionDisplay).QueryInterface(Ci.nsISelectionController);
+          selcon.wordMove(false, false);
+          selcon.wordMove(true, true);
+        } catch(e) {
+          // If we couldn't select the word at the given point, bail
+          return;
+        }
+
+        // Find the selected text rect and send it back so the handles can position correctly
+        let selection = content.getSelection();
+        if (selection.rangeCount == 0)
+          return;
+
+        let range = selection.getRangeAt(0).QueryInterface(Ci.nsIDOMNSRange);
+        this.cache = { start: {}, end: {} };
+        let rects = range.getClientRects();
+        for (let i=0; i<rects.length; i++) {
+          if (i == 0) {
+            this.cache.start.x = rects[i].left + scrollOffset.x;
+            this.cache.start.y = rects[i].bottom + scrollOffset.y;
+          }
+          this.cache.end.x = rects[i].right + scrollOffset.x;
+          this.cache.end.y = rects[i].bottom + scrollOffset.y;
+        }
+
+        sendAsyncMessage("Browser:SelectionRange", this.cache);
+        break;
+      }
+
+      case "Browser:SelectionEnd": {
+        let selection = content.getSelection();
+        let str = selection.toString();
+        selection.collapseToStart();
+        if (str.length) {
+          let clipboard = Cc["@mozilla.org/widget/clipboardhelper;1"].getService(Ci.nsIClipboardHelper);
+          clipboard.copyString(str);
+          sendAsyncMessage("Browser:SelectionCopied", { succeeded: true });
+        } else {
+          sendAsyncMessage("Browser:SelectionCopied", { succeeded: false });
+        }
+        break;
+      }
+
+      case "Browser:SelectionMove":
+        if (json.type == "end") {
+          this.cache.end.x = json.x - scrollOffset.x;
+          this.cache.end.y = json.y - scrollOffset.y;
+          utils.sendMouseEventToWindow("mousedown", this.cache.end.x, this.cache.end.y, 0, 1, Ci.nsIDOMNSEvent.SHIFT_MASK, true);
+          utils.sendMouseEventToWindow("mouseup", this.cache.end.x, this.cache.end.y, 0, 1, Ci.nsIDOMNSEvent.SHIFT_MASK, true);
+        } else {
+          this.cache.start.x = json.x - scrollOffset.x;
+          this.cache.start.y = json.y - scrollOffset.y;
+          utils.sendMouseEventToWindow("mousedown", this.cache.start.x, this.cache.start.y, 0, 1, 0, true);
+          // Don't cause a click. A mousedown is enough to move the caret
+          //utils.sendMouseEventToWindow("mouseup", this.cache.start.x, this.cache.start.y, 0, 1, 0, true);
+          utils.sendMouseEventToWindow("mousedown", this.cache.end.x, this.cache.end.y, 0, 1, Ci.nsIDOMNSEvent.SHIFT_MASK, true);
+          utils.sendMouseEventToWindow("mouseup", this.cache.end.x, this.cache.end.y, 0, 1, Ci.nsIDOMNSEvent.SHIFT_MASK, true);
+        }
+        break;
+    }
+  }
+};
+
+SelectionHandler.init();
--- a/mobile/chrome/tests/browser_tapping.js
+++ b/mobile/chrome/tests/browser_tapping.js
@ -90,6 +90,8 @@ function test() {
  gCurrentTab = Browser.addTab(testURL, true);
  ok(gCurrentTab, "Tab Opened");

+  SelectionHelper.enabled = false;
+
  window.addEventListener("TapSingle", dumpEvents, true);
  window.addEventListener("TapDouble", dumpEvents, true);
  window.addEventListener("TapLong", dumpEvents, true);
@ -125,6 +127,7 @@ function runNextTest() {
    window.removeEventListener("TapDouble", dumpEvents, true);
    window.removeEventListener("TapLong", dumpEvents, true);

+    SelectionHelper.enabled = true;
    Browser.closeTab(gCurrentTab);

    finish();
@ -277,7 +280,7 @@ gTests.push({

  contextPlainImageTest: function() {
    waitForContextMenu(function() {
-      ok(checkContextTypes(["image","image-shareable","image-loaded"]), "Plain image context types");
+      ok(checkContextTypes(["image","image-shareable","image-loaded", "content-text"]), "Plain image context types");
    }, gCurrentTest.contextNestedImageTest);

    let browser = gCurrentTab.browser;
--- a/mobile/locales/en-US/chrome/browser.properties
+++ b/mobile/locales/en-US/chrome/browser.properties
@ -235,3 +235,6 @@ intl.charsetmenu.browser.static=iso-8859-1,utf-8,x-gbk,big5,iso-2022-jp,shift_ji

 #Application Menu
 appMenu.more=More
+
+#Text Selection
+selectionHelper.textCopied=Text copied to clipboard
--- a/mobile/themes/core/browser.css
+++ b/mobile/themes/core/browser.css
@ -1531,3 +1531,20 @@ setting {
  90% { -moz-transform: translateX(@sidebar_width_minimum@); }
  to { -moz-transform: translateX(0); }
 }
+
+#selectionhandle-start,
+#selectionhandle-end {
+  min-width: 35px !important;
+  width: 35px !important;
+  padding: 0 !important;
+  margin: 0 !important;
+}
+
+#selectionhandle-start {
+  list-style-image: url("chrome://browser/skin/images/handle-start.png");
+}
+
+#selectionhandle-end {
+  list-style-image: url("chrome://browser/skin/images/handle-end.png");
+}
+
--- a/mobile/themes/core/gingerbread/browser.css
+++ b/mobile/themes/core/gingerbread/browser.css
@ -1497,3 +1497,20 @@ setting {
  90% { -moz-transform: translateX(-@sidebar_width_minimum@); }
  to { -moz-transform: translateX(0); }
 }
+
+#selectionhandle-start,
+#selectionhandle-end {
+  min-width: 35px !important;
+  width: 35px !important;
+  padding: 0 !important;
+  margin: 0 !important;
+}
+
+#selectionhandle-start {
+  list-style-image: url("chrome://browser/skin/images/handle-start.png");
+}
+
+#selectionhandle-end {
+  list-style-image: url("chrome://browser/skin/images/handle-end.png");
+}
+
--- a/mobile/themes/core/gingerbread/images/handle-end.png
+++ b/mobile/themes/core/gingerbread/images/handle-end.png
--- a/mobile/themes/core/gingerbread/images/handle-start.png
+++ b/mobile/themes/core/gingerbread/images/handle-start.png
--- a/mobile/themes/core/images/handle-end.png
+++ b/mobile/themes/core/images/handle-end.png
--- a/mobile/themes/core/images/handle-start.png
+++ b/mobile/themes/core/images/handle-start.png
--- a/mobile/themes/core/jar.mn
+++ b/mobile/themes/core/jar.mn
@ -122,6 +122,8 @@ chrome.jar:
  skin/images/mute-hdpi.png                 (images/mute-hdpi.png)
  skin/images/unmute-hdpi.png               (images/unmute-hdpi.png)
  skin/images/scrubber-hdpi.png             (images/scrubber-hdpi.png)
+  skin/images/handle-start.png              (images/handle-start.png)
+  skin/images/handle-end.png                (images/handle-end.png)

 chrome.jar:
 % skin browser classic/1.0 %skin/gingerbread/ os=Android osversion=2.3 osversion=2.3.3 osversion=2.3.4
@ -240,6 +242,8 @@ chrome.jar:
  skin/gingerbread/images/mute-hdpi.png                 (gingerbread/images/mute-hdpi.png)
  skin/gingerbread/images/unmute-hdpi.png               (gingerbread/images/unmute-hdpi.png)
  skin/gingerbread/images/scrubber-hdpi.png             (gingerbread/images/scrubber-hdpi.png)
+  skin/gingerbread/images/handle-start.png              (gingerbread/images/handle-start.png)
+  skin/gingerbread/images/handle-end.png                (gingerbread/images/handle-end.png)

 chrome.jar:
 % skin browser classic/1.0 %skin/honeycomb/ os=Android osversion>=3.0
@ -360,4 +364,5 @@ chrome.jar:
  skin/honeycomb/images/mute-hdpi.png                 (honeycomb/images/mute-hdpi.png)
  skin/honeycomb/images/unmute-hdpi.png               (honeycomb/images/unmute-hdpi.png)
  skin/honeycomb/images/scrubber-hdpi.png             (honeycomb/images/scrubber-hdpi.png)
-
+  skin/honeycomb/images/handle-start.png              (images/handle-start.png)
+  skin/honeycomb/images/handle-end.png                (images/handle-end.png)
--- a/toolkit/components/console/hudservice/HUDService.jsm
+++ b/toolkit/components/console/hudservice/HUDService.jsm
@ -2823,6 +2823,10 @@ HUD_SERVICE.prototype =
    let windowUI = nBox.ownerDocument.getElementById("console_window_" + hudId);
    if (windowUI) {
      // The Web Console popup is already open, no need to continue.
+      if (aContentWindow == aContentWindow.top) {
+        let hud = this.hudReferences[hudId];
+        hud.reattachConsole(aContentWindow);
+      }
      return;
    }

@ -3227,10 +3231,8 @@ HeadsUpDisplay.prototype = {

    let panel = this.chromeDocument.createElementNS(XUL_NS, "panel");

-    let label = this.getStr("webConsoleOwnWindowTitle");
-
    let config = { id: "console_window_" + this.hudId,
-                   label: label,
+                   label: this.getPanelTitle(),
                   titlebar: "normal",
                   noautohide: "true",
                   norestorefocus: "true",
@ -3359,6 +3361,17 @@ HeadsUpDisplay.prototype = {
    return panel;
  },

+  /**
+   * Retrieve the Web Console panel title.
+   *
+   * @return string
+   *         The Web Console panel title.
+   */
+  getPanelTitle: function HUD_getPanelTitle()
+  {
+    return this.getFormatStr("webConsoleWindowTitleAndURL", [this.uriSpec]);
+  },
+
  positions: {
    above: 0, // the childNode index
    below: 2,
@ -3510,6 +3523,10 @@ HeadsUpDisplay.prototype = {
    this.contentDocument = this.contentWindow.document;
    this.uriSpec = this.contentWindow.location.href;

+    if (this.consolePanel) {
+      this.consolePanel.label = this.getPanelTitle();
+    }
+
    if (!this.jsterm) {
      this.createConsoleInput(this.contentWindow, this.consoleWrap, this.outputNode);
    }
@ -4931,6 +4948,7 @@ JSTerm.prototype = {
  setInputValue: function JST_setInputValue(aNewValue)
  {
    this.inputNode.value = aNewValue;
+    this.lastInputValue = aNewValue;
    this.completeNode.value = "";
    this.resizeInput();
  },
--- a/toolkit/components/console/hudservice/tests/browser/Makefile.in
+++ b/toolkit/components/console/hudservice/tests/browser/Makefile.in
@ -141,6 +141,8 @@ _BROWSER_TEST_FILES = \
 	browser_webconsole_bug_642615_autocomplete.js \
 	browser_webconsole_bug_585991_autocomplete_popup.js \
 	browser_webconsole_bug_585991_autocomplete_keys.js \
+	browser_webconsole_bug_663443_panel_title.js \
+	browser_webconsole_bug_660806_history_nav.js \
 	head.js \
 	$(NULL)

--- a/toolkit/components/console/hudservice/tests/browser/browser_webconsole_bug_660806_history_nav.js
+++ b/toolkit/components/console/hudservice/tests/browser/browser_webconsole_bug_660806_history_nav.js
@ -0,0 +1,48 @@
+/* vim:set ts=2 sw=2 sts=2 et: */
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const TEST_URI = "data:text/html,<p>bug 660806 - history navigation must not show the autocomplete popup";
+
+function test() {
+  addTab(TEST_URI);
+  browser.addEventListener("load", tabLoaded, true);
+}
+
+function tabLoaded()
+{
+  browser.removeEventListener("load", tabLoaded, true);
+  openConsole();
+
+  content.wrappedJSObject.foobarBug660806 = {
+    "location": "value0",
+    "locationbar": "value1",
+  };
+
+  let hudId = HUDService.getHudIdByWindow(content);
+  let HUD = HUDService.hudReferences[hudId];
+  let jsterm = HUD.jsterm;
+  let popup = jsterm.autocompletePopup;
+  popup._panel.addEventListener("popupshown", function() {
+    popup._panel.removeEventListener("popupshown", arguments.callee, false);
+    ok(false, "popup shown");
+  }, false);
+
+  ok(!popup.isOpen, "popup is not open");
+
+  ok(!jsterm.lastInputValue, "no lastInputValue");
+  jsterm.setInputValue("window.foobarBug660806.location");
+  is(jsterm.lastInputValue, "window.foobarBug660806.location",
+     "lastInputValue is correct");
+
+  EventUtils.synthesizeKey("VK_RETURN", {});
+  EventUtils.synthesizeKey("VK_UP", {});
+
+  is(jsterm.lastInputValue, "window.foobarBug660806.location",
+     "lastInputValue is correct, again");
+
+  executeSoon(function() {
+    ok(!popup.isOpen, "popup is not open");
+    executeSoon(finishTest);
+  });
+}
--- a/toolkit/components/console/hudservice/tests/browser/browser_webconsole_bug_663443_panel_title.js
+++ b/toolkit/components/console/hudservice/tests/browser/browser_webconsole_bug_663443_panel_title.js
@ -0,0 +1,45 @@
+/* vim:set ts=2 sw=2 sts=2 et: */
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const TEST_URI = "data:text/html,<p>test for bug 663443. test1";
+
+const POSITION_PREF = "devtools.webconsole.position";
+
+function tabLoad(aEvent) {
+  browser.removeEventListener(aEvent.type, arguments.callee, true);
+
+  Services.prefs.setCharPref(POSITION_PREF, "window");
+
+  openConsole();
+
+  document.addEventListener("popupshown", function() {
+    document.removeEventListener("popupshown", arguments.callee, false);
+
+    let hudId = HUDService.getHudIdByWindow(content);
+    ok(hudId, "Web Console is open");
+
+    let HUD = HUDService.hudReferences[hudId];
+    ok(HUD.consolePanel, "Web Console opened in a panel");
+
+    isnot(HUD.consolePanel.label.indexOf("test1"), -1, "panel title is correct");
+
+    browser.addEventListener("load", function() {
+      browser.removeEventListener("load", arguments.callee, true);
+
+      isnot(HUD.consolePanel.label.indexOf("test2"), -1,
+            "panel title is correct after page navigation");
+
+      Services.prefs.clearUserPref(POSITION_PREF);
+
+      executeSoon(finish);
+    }, true);
+
+    content.location = "data:text/html,<p>test2 for bug 663443";
+  }, false);
+}
+
+function test() {
+  addTab(TEST_URI);
+  browser.addEventListener("load", tabLoad, true);
+}
--- a/toolkit/locales/en-US/chrome/global/headsUpDisplay.properties
+++ b/toolkit/locales/en-US/chrome/global/headsUpDisplay.properties
@ -135,9 +135,9 @@ webConsolePositionBelow=Below
 # Web Console interface is displayed in a floating panel.
 webConsolePositionWindow=Window

-# LOCALIZATION NOTE (webConsoleOwnWindowTitle): The Web Console floating panel
-# title.
-webConsoleOwnWindowTitle=Web Console
+# LOCALIZATION NOTE (webConsoleWindowTitleAndURL): The Web Console floating
+# panel title, followed by the web page URL.
+webConsoleWindowTitleAndURL=Web Console - %S

 # LOCALIZATION NOTE (Autocomplete.label):
 # The autocomplete popup panel label/title.
--- a/toolkit/themes/gnomestripe/global/webConsole.css
+++ b/toolkit/themes/gnomestripe/global/webConsole.css
@ -90,6 +90,7 @@
  margin-bottom: 3px;
  -moz-margin-start: 3px;
  -moz-margin-end: 6px;
+  white-space: pre-wrap;
 }

 .webconsole-msg-body-piece {
--- a/toolkit/themes/pinstripe/global/webConsole.css
+++ b/toolkit/themes/pinstripe/global/webConsole.css
@ -93,6 +93,7 @@
  margin-bottom: 3px;
  -moz-margin-start: 3px;
  -moz-margin-end: 6px;
+  white-space: pre-wrap;
 }

 .webconsole-msg-body-piece {
--- a/toolkit/themes/winstripe/global/webConsole.css
+++ b/toolkit/themes/winstripe/global/webConsole.css
@ -89,6 +89,7 @@
  margin-bottom: 3px;
  -moz-margin-start: 3px;
  -moz-margin-end: 6px;
+  white-space: pre-wrap;
 }

 .webconsole-msg-body-piece {