get rid of old options pages

chrome/browser/resources/options/browser_options_startup_page_list.js

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-cr.define('options.browser_options', function() {
-  const AutocompleteList = cr.ui.AutocompleteList;
-  const InlineEditableItem = options.InlineEditableItem;
-  const InlineEditableItemList = options.InlineEditableItemList;
-
-  /**
-   * Creates a new startup page list item.
-   * @param {Object} pageInfo The page this item represents.
-   * @constructor
-   * @extends {cr.ui.ListItem}
-   */
-  function StartupPageListItem(pageInfo) {
-    var el = cr.doc.createElement('div');
-    el.pageInfo_ = pageInfo;
-    StartupPageListItem.decorate(el);
-    return el;
-  }
-
-  /**
-   * Decorates an element as a startup page list item.
-   * @param {!HTMLElement} el The element to decorate.
-   */
-  StartupPageListItem.decorate = function(el) {
-    el.__proto__ = StartupPageListItem.prototype;
-    el.decorate();
-  };
-
-  StartupPageListItem.prototype = {
-    __proto__: InlineEditableItem.prototype,
-
-    /**
-     * Input field for editing the page url.
-     * @type {HTMLElement}
-     * @private
-     */
-    urlField_: null,
-
-    /** @inheritDoc */
-    decorate: function() {
-      InlineEditableItem.prototype.decorate.call(this);
-
-      var pageInfo = this.pageInfo_;
-
-      if (pageInfo['modelIndex'] == '-1') {
-        this.isPlaceholder = true;
-        pageInfo['title'] = localStrings.getString('startupAddLabel');
-        pageInfo['url'] = '';
-      }
-
-      var titleEl = this.ownerDocument.createElement('div');
-      titleEl.className = 'title';
-      titleEl.classList.add('favicon-cell');
-      titleEl.classList.add('weakrtl');
-      titleEl.textContent = pageInfo['title'];
-      if (!this.isPlaceholder) {
-        titleEl.style.backgroundImage = url('chrome://favicon/' +
-                                            pageInfo['url']);
-        titleEl.title = pageInfo['tooltip'];
-      }
-
-      this.contentElement.appendChild(titleEl);
-
-      var urlEl = this.createEditableTextCell(pageInfo['url']);
-      urlEl.className = 'url';
-      urlEl.classList.add('weakrtl');
-      this.contentElement.appendChild(urlEl);
-
-      var urlField = urlEl.querySelector('input')
-      urlField.required = true;
-      urlField.className = 'weakrtl';
-      this.urlField_ = urlField;
-
-      this.addEventListener('commitedit', this.onEditCommitted_);
-
-      var self = this;
-      urlField.addEventListener('focus', function(event) {
-        self.parentNode.autocompleteList.attachToInput(urlField);
-      });
-      urlField.addEventListener('blur', function(event) {
-        self.parentNode.autocompleteList.detach();
-      });
-
-      if (!this.isPlaceholder)
-        this.draggable = true;
-    },
-
-    /** @inheritDoc */
-    get currentInputIsValid() {
-      return this.urlField_.validity.valid;
-    },
-
-    /** @inheritDoc */
-    get hasBeenEdited() {
-      return this.urlField_.value != this.pageInfo_['url'];
-    },
-
-    /**
-     * Called when committing an edit; updates the model.
-     * @param {Event} e The end event.
-     * @private
-     */
-    onEditCommitted_: function(e) {
-      var url = this.urlField_.value;
-      if (this.isPlaceholder)
-        chrome.send('addStartupPage', [url]);
-      else
-        chrome.send('editStartupPage', [this.pageInfo_['modelIndex'], url]);
-    },
-  };
-
-  var StartupPageList = cr.ui.define('list');
-
-  StartupPageList.prototype = {
-    __proto__: InlineEditableItemList.prototype,
-
-    /**
-     * An autocomplete suggestion list for URL editing.
-     * @type {AutocompleteList}
-     */
-    autocompleteList: null,
-
-    /**
-     * The drop position information: "below" or "above".
-     */
-    dropPos: null,
-
-    /** @inheritDoc */
-    decorate: function() {
-      InlineEditableItemList.prototype.decorate.call(this);
-
-      // Listen to drag and drop events.
-      this.addEventListener('dragstart', this.handleDragStart_.bind(this));
-      this.addEventListener('dragenter', this.handleDragEnter_.bind(this));
-      this.addEventListener('dragover', this.handleDragOver_.bind(this));
-      this.addEventListener('drop', this.handleDrop_.bind(this));
-      this.addEventListener('dragleave', this.handleDragLeave_.bind(this));
-      this.addEventListener('dragend', this.handleDragEnd_.bind(this));
-    },
-
-    /** @inheritDoc */
-    createItem: function(pageInfo) {
-      var item = new StartupPageListItem(pageInfo);
-      item.urlField_.disabled = this.disabled;
-      return item;
-    },
-
-    /** @inheritDoc */
-    deleteItemAtIndex: function(index) {
-      chrome.send('removeStartupPages', [String(index)]);
-    },
-
-    /*
-     * Computes the target item of drop event.
-     * @param {Event} e The drop or dragover event.
-     * @private
-     */
-    getTargetFromDropEvent_ : function(e) {
-      var target = e.target;
-      // e.target may be an inner element of the list item
-      while (target != null && !(target instanceof StartupPageListItem)) {
-        target = target.parentNode;
-      }
-      return target;
-    },
-
-    /*
-     * Handles the dragstart event.
-     * @param {Event} e The dragstart event.
-     * @private
-     */
-    handleDragStart_: function(e) {
-      // Prevent dragging if the list is disabled.
-      if (this.disabled) {
-        e.preventDefault();
-        return false;
-      }
-
-      var target = e.target;
-      // StartupPageListItem should be the only draggable element type in the
-      // page but let's make sure.
-      if (target instanceof StartupPageListItem) {
-        this.draggedItem = target;
-        this.draggedItem.editable = false;
-        e.dataTransfer.effectAllowed = 'move';
-        // We need to put some kind of data in the drag or it will be
-        // ignored.  Use the URL in case the user drags to a text field or the
-        // desktop.
-        e.dataTransfer.setData('text/plain', target.urlField_.value);
-      }
-    },
-
-    /*
-     * Handles the dragenter event.
-     * @param {Event} e The dragenter event.
-     * @private
-     */
-    handleDragEnter_: function(e) {
-      e.preventDefault();
-    },
-
-    /*
-     * Handles the dragover event.
-     * @param {Event} e The dragover event.
-     * @private
-     */
-    handleDragOver_: function(e) {
-      var dropTarget = this.getTargetFromDropEvent_(e);
-      // Determines whether the drop target is to accept the drop.
-      // The drop is only successful on another StartupPageListItem.
-      if (!(dropTarget instanceof StartupPageListItem) ||
-          dropTarget == this.draggedItem || dropTarget.isPlaceholder) {
-        this.hideDropMarker_();
-        return;
-      }
-      // Compute the drop postion. Should we move the dragged item to
-      // below or above the drop target?
-      var rect = dropTarget.getBoundingClientRect();
-      var dy = e.clientY - rect.top;
-      var yRatio = dy / rect.height;
-      var dropPos = yRatio <= .5 ? 'above' : 'below';
-      this.dropPos = dropPos;
-      this.showDropMarker_(dropTarget, dropPos);
-      e.preventDefault();
-    },
-
-    /*
-     * Handles the drop event.
-     * @param {Event} e The drop event.
-     * @private
-     */
-    handleDrop_: function(e) {
-      var dropTarget = this.getTargetFromDropEvent_(e);
-      this.hideDropMarker_();
-
-      // Insert the selection at the new position.
-      var newIndex = this.dataModel.indexOf(dropTarget.pageInfo_);
-      if (this.dropPos == 'below')
-        newIndex += 1;
-
-      var selected = this.selectionModel.selectedIndexes;
-      var stringized_selected = [];
-      for (var j = 0; j < selected.length; j++)
-        stringized_selected.push(String(selected[j]));
-
-      chrome.send('dragDropStartupPage',
-          [String(newIndex), stringized_selected] );
-    },
-
-    /*
-     * Handles the dragleave event.
-     * @param {Event} e The dragleave event
-     * @private
-     */
-    handleDragLeave_: function(e) {
-      this.hideDropMarker_();
-    },
-
-    /**
-     * Handles the dragend event.
-     * @param {Event} e The dragend event
-     * @private
-     */
-    handleDragEnd_: function(e) {
-      this.draggedItem.editable = true;
-      this.draggedItem.updateEditState();
-    },
-
-    /*
-     * Shows and positions the marker to indicate the drop target.
-     * @param {HTMLElement} target The current target list item of drop
-     * @param {string} pos 'below' or 'above'
-     * @private
-     */
-    showDropMarker_ : function(target, pos) {
-      window.clearTimeout(this.hideDropMarkerTimer_);
-      var marker = $('startupPagesListDropmarker');
-      var rect = target.getBoundingClientRect();
-      var markerHeight = 6;
-      if (pos == 'above') {
-        marker.style.top = (rect.top - markerHeight/2) + 'px';
-      } else {
-        marker.style.top = (rect.bottom - markerHeight/2) + 'px';
-      }
-      marker.style.width = rect.width + 'px';
-      marker.style.left = rect.left + 'px';
-      marker.style.display = 'block';
-    },
-
-    /*
-     * Hides the drop marker.
-     * @private
-     */
-    hideDropMarker_ : function() {
-      // Hide the marker in a timeout to reduce flickering as we move between
-      // valid drop targets.
-      window.clearTimeout(this.hideDropMarkerTimer_);
-      this.hideDropMarkerTimer_ = window.setTimeout(function() {
-        $('startupPagesListDropmarker').style.display = '';
-      }, 100);
-    },
-  };
-
-  return {
-    StartupPageList: StartupPageList
-  };
-});