Add m-esr52 at 52.6.0

1 files changed, 673 insertions, 0 deletions

diff --git a/mobile/android/chrome/content/config.js b/mobile/android/chrome/content/config.js
new file mode 100644
index 000000000..2c868f175
--- /dev/null
+++ b/mobile/android/chrome/content/config.js
@@ -0,0 +1,673 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+var {classes: Cc, interfaces: Ci, manager: Cm, utils: Cu} = Components;
+Cu.import("resource://gre/modules/Services.jsm");
+
+const VKB_ENTER_KEY = 13;   // User press of VKB enter key
+const INITIAL_PAGE_DELAY = 500;   // Initial pause on program start for scroll alignment
+const PREFS_BUFFER_MAX = 30;   // Max prefs buffer size for getPrefsBuffer()
+const PAGE_SCROLL_TRIGGER = 200;     // Triggers additional getPrefsBuffer() on user scroll-to-bottom
+const FILTER_CHANGE_TRIGGER = 200;     // Delay between responses to filterInput changes
+const INNERHTML_VALUE_DELAY = 100;    // Delay before providing prefs innerHTML value
+
+var gStringBundle = Services.strings.createBundle("chrome://browser/locale/config.properties");
+var gClipboardHelper = Cc["@mozilla.org/widget/clipboardhelper;1"].getService(Ci.nsIClipboardHelper);
+
+
+/* ============================== NewPrefDialog ==============================
+ *
+ * New Preference Dialog Object and methods
+ *
+ * Implements User Interfaces for creation of a single(new) Preference setting
+ *
+ */
+var NewPrefDialog = {
+
+  _prefsShield: null,
+
+  _newPrefsDialog: null,
+  _newPrefItem: null,
+  _prefNameInputElt: null,
+  _prefTypeSelectElt: null,
+
+  _booleanValue: null,
+  _booleanToggle: null,
+  _stringValue: null,
+  _intValue: null,
+
+  _positiveButton: null,
+
+  get type() {
+    return this._prefTypeSelectElt.value;
+  },
+
+  set type(aType) {
+    this._prefTypeSelectElt.value = aType;
+    switch(this._prefTypeSelectElt.value) {
+      case "boolean":
+        this._prefTypeSelectElt.selectedIndex = 0;
+        break;
+      case "string":
+        this._prefTypeSelectElt.selectedIndex = 1;
+        break;
+      case "int":
+        this._prefTypeSelectElt.selectedIndex = 2;
+        break;
+    }
+
+    this._newPrefItem.setAttribute("typestyle", aType);
+  },
+
+  // Init the NewPrefDialog
+  init: function AC_init() {
+    this._prefsShield = document.getElementById("prefs-shield");
+
+    this._newPrefsDialog = document.getElementById("new-pref-container");
+    this._newPrefItem = document.getElementById("new-pref-item");
+    this._prefNameInputElt = document.getElementById("new-pref-name");
+    this._prefTypeSelectElt = document.getElementById("new-pref-type");
+
+    this._booleanValue = document.getElementById("new-pref-value-boolean");
+    this._stringValue = document.getElementById("new-pref-value-string");
+    this._intValue = document.getElementById("new-pref-value-int");
+
+    this._positiveButton = document.getElementById("positive-button");
+  },
+
+  // Called to update positive button to display text ("Create"/"Change), and enabled/disabled status
+  // As new pref name is initially displayed, re-focused, or modifed during user input
+  _updatePositiveButton: function AC_updatePositiveButton(aPrefName) {
+    this._positiveButton.textContent = gStringBundle.GetStringFromName("newPref.createButton");
+    this._positiveButton.setAttribute("disabled", true);
+    if (aPrefName == "") {
+      return;
+    }
+
+    // If item already in list, it's being changed, else added
+    let item = AboutConfig._list.filter(i => { return i.name == aPrefName });
+    if (item.length) {
+      this._positiveButton.textContent = gStringBundle.GetStringFromName("newPref.changeButton");
+    } else {
+      this._positiveButton.removeAttribute("disabled");
+    }
+  },
+
+  // When we want to cancel/hide an existing, or show a new pref dialog
+  toggleShowHide: function AC_toggleShowHide() {
+    if (this._newPrefsDialog.classList.contains("show")) {
+      this.hide();
+    } else {
+      this._show();
+    }
+  },
+
+  // When we want to show the new pref dialog / shield the prefs list
+  _show: function AC_show() {
+    this._newPrefsDialog.classList.add("show");
+    this._prefsShield.setAttribute("shown", true);
+
+    // Initial default field values
+    this._prefNameInputElt.value = "";
+    this._updatePositiveButton(this._prefNameInputElt.value);
+
+    this.type = "boolean";
+    this._booleanValue.value = "false";
+    this._stringValue.value = "";
+    this._intValue.value = "";
+
+    this._prefNameInputElt.focus();
+
+    window.addEventListener("keypress", this.handleKeypress, false);
+  },
+
+  // When we want to cancel/hide the new pref dialog / un-shield the prefs list
+  hide: function AC_hide() {
+    this._newPrefsDialog.classList.remove("show");
+    this._prefsShield.removeAttribute("shown");
+
+    window.removeEventListener("keypress", this.handleKeypress, false);
+  },
+
+  // Watch user key input so we can provide Enter key action, commit input values
+  handleKeypress: function AC_handleKeypress(aEvent) {
+    // Close our VKB on new pref enter key press
+    if (aEvent.keyCode == VKB_ENTER_KEY)
+      aEvent.target.blur();
+  },
+
+  // New prefs create dialog only allows creating a non-existing preference, doesn't allow for
+  // Changing an existing one on-the-fly, tap existing/displayed line item pref for that
+  create: function AC_create(aEvent) {
+    if (this._positiveButton.getAttribute("disabled") == "true") {
+      return;
+    }
+
+    switch(this.type) {
+      case "boolean":
+        Services.prefs.setBoolPref(this._prefNameInputElt.value, (this._booleanValue.value == "true") ? true : false);
+        break;
+      case "string":
+        Services.prefs.setCharPref(this._prefNameInputElt.value, this._stringValue.value);
+        break;
+      case "int":
+        Services.prefs.setIntPref(this._prefNameInputElt.value, this._intValue.value);
+        break;
+    }
+
+    // Ensure pref adds flushed to disk immediately
+    Services.prefs.savePrefFile(null);
+
+    this.hide();
+  },
+
+  // Display proper positive button text/state on new prefs name input focus
+  focusName: function AC_focusName(aEvent) {
+    this._updatePositiveButton(aEvent.target.value);
+  },
+
+  // Display proper positive button text/state as user changes new prefs name
+  updateName: function AC_updateName(aEvent) {
+    this._updatePositiveButton(aEvent.target.value);
+  },
+
+  // In new prefs dialog, bool prefs are <input type="text">, as they aren't yet tied to an
+  // Actual Services.prefs.*etBoolPref()
+  toggleBoolValue: function AC_toggleBoolValue() {
+    this._booleanValue.value = (this._booleanValue.value == "true" ? "false" : "true");
+  }
+}
+
+
+/* ============================== AboutConfig ==============================
+ *
+ * Main AboutConfig object and methods
+ *
+ * Implements User Interfaces for maintenance of a list of Preference settings
+ *
+ */
+var AboutConfig = {
+
+  contextMenuLINode: null,
+  filterInput: null,
+  _filterPrevInput: null,
+  _filterChangeTimer: null,
+  _prefsContainer: null,
+  _loadingContainer: null,
+  _list: null,
+
+  // Init the main AboutConfig dialog
+  init: function AC_init() {
+    this.filterInput = document.getElementById("filter-input");
+    this._prefsContainer = document.getElementById("prefs-container");
+    this._loadingContainer = document.getElementById("loading-container");
+
+    let list = Services.prefs.getChildList("");
+    this._list = list.sort().map( function AC_getMapPref(aPref) {
+      return new Pref(aPref);
+    }, this);
+
+    // Support filtering about:config via a ?filter=<string> param
+    let match = /[?&]filter=([^&]+)/i.exec(window.location.href);
+    if (match) {
+      this.filterInput.value = decodeURIComponent(match[1]);
+    }
+
+    // Display the current prefs list (retains searchFilter value)
+    this.bufferFilterInput();
+
+    // Setup the prefs observers
+    Services.prefs.addObserver("", this, false);
+  },
+
+  // Uninit the main AboutConfig dialog
+  uninit: function AC_uninit() {
+    // Remove the prefs observer
+    Services.prefs.removeObserver("", this);
+  },
+
+  // Clear the filterInput value, to display the entire list
+  clearFilterInput: function AC_clearFilterInput() {
+    this.filterInput.value = "";
+    this.bufferFilterInput();
+  },
+
+  // Buffer down rapid changes in filterInput value from keyboard
+  bufferFilterInput: function AC_bufferFilterInput() {
+    if (this._filterChangeTimer) {
+      clearTimeout(this._filterChangeTimer);
+    }
+
+    this._filterChangeTimer = setTimeout((function() {
+      this._filterChangeTimer = null;
+      // Display updated prefs list when filterInput value settles
+      this._displayNewList();
+    }).bind(this), FILTER_CHANGE_TRIGGER);
+  },
+
+  // Update displayed list when filterInput value changes
+  _displayNewList: function AC_displayNewList() {
+    // This survives the search filter value past a page refresh
+    this.filterInput.setAttribute("value", this.filterInput.value);
+
+    // Don't start new filter search if same as last
+    if (this.filterInput.value == this._filterPrevInput) {
+      return;
+    }
+    this._filterPrevInput = this.filterInput.value;
+
+    // Clear list item selection / context menu, prefs list, get first buffer, set scrolling on
+    this.selected = "";
+    this._clearPrefsContainer();
+    this._addMorePrefsToContainer();
+    window.onscroll = this.onScroll.bind(this);
+
+    // Pause for screen to settle, then ensure at top
+    setTimeout((function() {
+      window.scrollTo(0, 0);
+    }).bind(this), INITIAL_PAGE_DELAY);
+  },
+
+  // Clear the displayed preferences list
+  _clearPrefsContainer: function AC_clearPrefsContainer() {
+    // Quick clear the prefsContainer list
+    let empty = this._prefsContainer.cloneNode(false);
+    this._prefsContainer.parentNode.replaceChild(empty, this._prefsContainer); 
+    this._prefsContainer = empty;
+
+    // Quick clear the prefs li.HTML list
+    this._list.forEach(function(item) {
+      delete item.li;
+    });
+  },
+
+  // Get a small manageable block of prefs items, and add them to the displayed list
+  _addMorePrefsToContainer: function AC_addMorePrefsToContainer() {
+    // Create filter regex
+    let filterExp = this.filterInput.value ?
+      new RegExp(this.filterInput.value, "i") : null;
+
+    // Get a new block for the display list
+    let prefsBuffer = [];
+    for (let i = 0; i < this._list.length && prefsBuffer.length < PREFS_BUFFER_MAX; i++) {
+      if (!this._list[i].li && this._list[i].test(filterExp)) {
+        prefsBuffer.push(this._list[i]);
+      }
+    }
+
+    // Add the new block to the displayed list
+    for (let i = 0; i < prefsBuffer.length; i++) {
+      this._prefsContainer.appendChild(prefsBuffer[i].getOrCreateNewLINode());
+    }
+
+    // Determine if anything left to add later by scrolling
+    let anotherPrefsBufferRemains = false;
+    for (let i = 0; i < this._list.length; i++) {
+      if (!this._list[i].li && this._list[i].test(filterExp)) {
+        anotherPrefsBufferRemains = true;
+        break;
+      }
+    }
+
+    if (anotherPrefsBufferRemains) {
+      // If still more could be displayed, show the throbber
+      this._loadingContainer.style.display = "block";
+    } else {
+      // If no more could be displayed, hide the throbber, and stop noticing scroll events
+      this._loadingContainer.style.display = "none";
+      window.onscroll = null;
+    }
+  },
+
+  // If scrolling at the bottom, maybe add some more entries
+  onScroll: function AC_onScroll(aEvent) {
+    if (this._prefsContainer.scrollHeight - (window.pageYOffset + window.innerHeight) < PAGE_SCROLL_TRIGGER) {
+      if (!this._filterChangeTimer) {
+        this._addMorePrefsToContainer();
+      }
+    }
+  },
+
+
+  // Return currently selected list item node
+  get selected() {
+    return document.querySelector(".pref-item.selected");
+  },
+
+  // Set list item node as selected
+  set selected(aSelection) {
+    let currentSelection = this.selected;
+    if (aSelection == currentSelection) {
+      return;
+    }
+
+    // Clear any previous selection
+    if (currentSelection) {
+      currentSelection.classList.remove("selected");
+      currentSelection.removeEventListener("keypress", this.handleKeypress, false);
+    }
+
+    // Set any current selection
+    if (aSelection) {
+      aSelection.classList.add("selected");
+      aSelection.addEventListener("keypress", this.handleKeypress, false);
+    }
+  },
+
+  // Watch user key input so we can provide Enter key action, commit input values
+  handleKeypress: function AC_handleKeypress(aEvent) {
+    if (aEvent.keyCode == VKB_ENTER_KEY)
+      aEvent.target.blur();
+  },
+
+  // Return the target list item node of an action event
+  getLINodeForEvent: function AC_getLINodeForEvent(aEvent) {
+    let node = aEvent.target;
+    while (node && node.nodeName != "li") {
+      node = node.parentNode;
+    }
+
+    return node;
+  },
+
+  // Return a pref of a list item node
+  _getPrefForNode: function AC_getPrefForNode(aNode) {
+    let pref = aNode.getAttribute("name");
+
+    return new Pref(pref);
+  },
+
+  // When list item name or value are tapped
+  selectOrToggleBoolPref: function AC_selectOrToggleBoolPref(aEvent) {
+    let node = this.getLINodeForEvent(aEvent);
+
+    // If not already selected, just do so
+    if (this.selected != node) {
+      this.selected = node;
+      return;
+    }
+
+    // If already selected, and value is boolean, toggle it
+    let pref = this._getPrefForNode(node);
+    if (pref.type != Services.prefs.PREF_BOOL) {
+      return;
+    }
+
+    this.toggleBoolPref(aEvent);
+  },
+
+  // When finalizing list input values due to blur
+  setIntOrStringPref: function AC_setIntOrStringPref(aEvent) {
+    let node = this.getLINodeForEvent(aEvent);
+
+    // Skip if locked
+    let pref = this._getPrefForNode(node);
+    if (pref.locked) {
+      return;
+    }
+
+    // Boolean inputs blur to remove focus from "button"
+    if (pref.type == Services.prefs.PREF_BOOL) {
+      return;
+    }
+
+    // String and Int inputs change / commit on blur
+    pref.value = aEvent.target.value;
+  },
+
+  // When we reset a pref to it's default value (note resetting a user created pref will delete it)
+  resetDefaultPref: function AC_resetDefaultPref(aEvent) {
+    let node = this.getLINodeForEvent(aEvent);
+
+    // If not already selected, do so
+    if (this.selected != node) {
+      this.selected = node;
+    }
+
+    // Reset will handle any locked condition
+    let pref = this._getPrefForNode(node);
+    pref.reset();
+
+    // Ensure pref reset flushed to disk immediately
+    Services.prefs.savePrefFile(null);
+  },
+
+  // When we want to toggle a bool pref
+  toggleBoolPref: function AC_toggleBoolPref(aEvent) {
+    let node = this.getLINodeForEvent(aEvent);
+
+    // Skip if locked, or not boolean
+    let pref = this._getPrefForNode(node);
+    if (pref.locked) {
+      return;
+    }
+
+    // Toggle, and blur to remove field focus
+    pref.value = !pref.value;
+    aEvent.target.blur();
+  },
+
+  // When Int inputs have their Up or Down arrows toggled
+  incrOrDecrIntPref: function AC_incrOrDecrIntPref(aEvent, aInt) {
+    let node = this.getLINodeForEvent(aEvent);
+
+    // Skip if locked
+    let pref = this._getPrefForNode(node);
+    if (pref.locked) {
+      return;
+    }
+
+    pref.value += aInt;
+  },
+
+  // Observe preference changes
+  observe: function AC_observe(aSubject, aTopic, aPrefName) {
+    let pref = new Pref(aPrefName);
+
+    // Ignore uninteresting changes, and avoid "private" preferences
+    if (aTopic != "nsPref:changed") {
+      return;
+    }
+
+    // If pref type invalid, refresh display as user reset/removed an item from the list
+    if (pref.type == Services.prefs.PREF_INVALID) {
+      document.location.reload();
+      return;
+    }
+
+    // If pref onscreen, update in place.
+    let item = document.querySelector(".pref-item[name=\"" + CSS.escape(pref.name) + "\"]");
+    if (item) {
+      item.setAttribute("value", pref.value);
+      let input = item.querySelector("input");
+      input.setAttribute("value", pref.value);
+      input.value = pref.value;
+
+      pref.default ?
+        item.querySelector(".reset").setAttribute("disabled", "true") :
+        item.querySelector(".reset").removeAttribute("disabled");
+      return;
+    }
+
+    // If pref not already in list, refresh display as it's being added
+    let anyWhere = this._list.filter(i => { return i.name == pref.name });
+    if (!anyWhere.length) {
+      document.location.reload();
+    }
+  },
+
+  // Quick context menu helpers for about:config
+  clipboardCopy: function AC_clipboardCopy(aField) {
+    let pref = this._getPrefForNode(this.contextMenuLINode);
+    if (aField == 'name') {
+      gClipboardHelper.copyString(pref.name);
+    } else {
+      gClipboardHelper.copyString(pref.value);
+    }
+  }
+}
+
+
+/* ============================== Pref ==============================
+ *
+ * Individual Preference object / methods
+ *
+ * Defines a Pref object, a document list item tied to Preferences Services
+ * And the methods by which they interact.
+ *
+ */
+function Pref(aName) {
+  this.name = aName;
+}
+
+Pref.prototype = {
+  get type() {
+    return Services.prefs.getPrefType(this.name);
+  },
+
+  get value() {
+    switch (this.type) {
+      case Services.prefs.PREF_BOOL:
+        return Services.prefs.getBoolPref(this.name);
+      case Services.prefs.PREF_INT:
+        return Services.prefs.getIntPref(this.name);
+      case Services.prefs.PREF_STRING:
+      default:
+        return Services.prefs.getCharPref(this.name);
+    }
+
+  },
+  set value(aPrefValue) {
+    switch (this.type) {
+      case Services.prefs.PREF_BOOL:
+        Services.prefs.setBoolPref(this.name, aPrefValue);
+        break;
+      case Services.prefs.PREF_INT:
+        Services.prefs.setIntPref(this.name, aPrefValue);
+        break;
+      case Services.prefs.PREF_STRING:
+      default:
+        Services.prefs.setCharPref(this.name, aPrefValue);
+    }
+
+    // Ensure pref change flushed to disk immediately
+    Services.prefs.savePrefFile(null);
+  },
+
+  get default() {
+    return !Services.prefs.prefHasUserValue(this.name);
+  },
+
+  get locked() {
+    return Services.prefs.prefIsLocked(this.name);
+  },
+
+  reset: function AC_reset() {
+    Services.prefs.clearUserPref(this.name);
+  },
+
+  test: function AC_test(aValue) {
+    return aValue ? aValue.test(this.name) : true;
+  },
+
+  // Get existing or create new LI node for the pref
+  getOrCreateNewLINode: function AC_getOrCreateNewLINode() {
+    if (!this.li) {
+      this.li = document.createElement("li");
+
+      this.li.className = "pref-item";
+      this.li.setAttribute("name", this.name);
+
+      // Click callback to ensure list item selected even on no-action tap events
+      this.li.addEventListener("click",
+        function(aEvent) {
+          AboutConfig.selected = AboutConfig.getLINodeForEvent(aEvent);
+        },
+        false
+      );
+
+      // Contextmenu callback to identify selected list item
+      this.li.addEventListener("contextmenu",
+        function(aEvent) {
+          AboutConfig.contextMenuLINode = AboutConfig.getLINodeForEvent(aEvent);
+        },
+        false
+      );
+
+      this.li.setAttribute("contextmenu", "prefs-context-menu");
+
+      // Create list item outline, bind to object actions
+      this.li.innerHTML =
+        "<div class='pref-name' " +
+            "onclick='AboutConfig.selectOrToggleBoolPref(event);'>" +
+            this.name +
+        "</div>" +
+        "<div class='pref-item-line'>" +
+          "<input class='pref-value' value='' " +
+            "onblur='AboutConfig.setIntOrStringPref(event);' " +
+            "onclick='AboutConfig.selectOrToggleBoolPref(event);'>" +
+          "</input>" +
+          "<div class='pref-button reset' " +
+            "onclick='AboutConfig.resetDefaultPref(event);'>" +
+            gStringBundle.GetStringFromName("pref.resetButton") +
+          "</div>" +
+          "<div class='pref-button toggle' " +
+            "onclick='AboutConfig.toggleBoolPref(event);'>" +
+            gStringBundle.GetStringFromName("pref.toggleButton") +
+          "</div>" +
+          "<div class='pref-button up' " +
+            "onclick='AboutConfig.incrOrDecrIntPref(event, 1);'>" +
+          "</div>" +
+          "<div class='pref-button down' " +
+            "onclick='AboutConfig.incrOrDecrIntPref(event, -1);'>" +
+          "</div>" +
+        "</div>";
+
+      // Delay providing the list item values, until the LI is returned and added to the document
+      setTimeout(this._valueSetup.bind(this), INNERHTML_VALUE_DELAY);
+    }
+
+    return this.li;
+  },
+
+  // Initialize list item object values
+  _valueSetup: function AC_valueSetup() {
+
+    this.li.setAttribute("type", this.type);
+    this.li.setAttribute("value", this.value);
+
+    let valDiv = this.li.querySelector(".pref-value");
+    valDiv.value = this.value;
+
+    switch(this.type) {
+      case Services.prefs.PREF_BOOL:
+        valDiv.setAttribute("type", "button");
+        this.li.querySelector(".up").setAttribute("disabled", true);
+        this.li.querySelector(".down").setAttribute("disabled", true);
+        break;
+      case Services.prefs.PREF_STRING:
+        valDiv.setAttribute("type", "text");
+        this.li.querySelector(".up").setAttribute("disabled", true);
+        this.li.querySelector(".down").setAttribute("disabled", true);
+        this.li.querySelector(".toggle").setAttribute("disabled", true);
+        break;
+      case Services.prefs.PREF_INT:
+        valDiv.setAttribute("type", "number");
+        this.li.querySelector(".toggle").setAttribute("disabled", true);
+        break;
+    }
+
+    this.li.setAttribute("default", this.default);
+    if (this.default) {
+      this.li.querySelector(".reset").setAttribute("disabled", true);
+    }
+
+    if (this.locked) {
+      valDiv.setAttribute("disabled", this.locked);
+      this.li.querySelector(".pref-name").setAttribute("locked", true);
+    }
+  }
+}
+