The Tor Browser: toolkit/components/satchel/nsInputListAutoComplete.js@925c144e1f1f

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

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

     5 const Ci = Components.interfaces;

     7 Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");

     8 Components.utils.import("resource://gre/modules/Services.jsm");

     9 Components.utils.import("resource://gre/modules/nsFormAutoCompleteResult.jsm");

    11 function InputListAutoComplete() {}

    13 InputListAutoComplete.prototype = {

    14   classID       : Components.ID("{bf1e01d0-953e-11df-981c-0800200c9a66}"),

    15   QueryInterface: XPCOMUtils.generateQI([Ci.nsIInputListAutoComplete]),

    17   autoCompleteSearch : function (formHistoryResult, aUntrimmedSearchString, aField) {

    18     let comments = []; // "comments" column values for suggestions

    19     let [values, labels] = this.getListSuggestions(aField);

    20     let historyResults = [];

    21     let historyComments = [];

    23     // formHistoryResult will be null if form autocomplete is disabled.

    24     // We still want the list values to display.

    25     if (formHistoryResult) {

    26       entries = formHistoryResult.wrappedJSObject.entries;

    27       for (let i = 0; i < entries.length; ++i) {

    28         historyResults.push(entries[i].text);

    29         historyComments.push("");

    30       }

    31     }

    33     // fill out the comment column for the suggestions

    34     // if we have any suggestions, put a label at the top

    35     if (values.length) {

    36       comments[0] = "separator";

    37     }

    38     for (let i = 1; i < values.length; ++i) {

    39       comments.push("");

    40     }

    42     // now put the history results above the suggestions

    43     let finalValues = historyResults.concat(values);

    44     let finalLabels = historyResults.concat(labels);

    45     let finalComments = historyComments.concat(comments);

    47     return new FormAutoCompleteResult(aUntrimmedSearchString,

    48                                       Ci.nsIAutoCompleteResult.RESULT_SUCCESS,

    49                                       0, "", finalValues, finalLabels,

    50                                       finalComments, formHistoryResult);

    51   },

    53   getListSuggestions : function (aField) {

    54     let values = [];

    55     let labels = [];

    57     if (aField) {

    58       let filter = !aField.hasAttribute("mozNoFilter");

    59       let lowerFieldValue = aField.value.toLowerCase();

    61       if (aField.list) {

    62         let options = aField.list.options;

    63         let length = options.length;

    64         for (let i = 0; i < length; i++) {

    65           let item = options.item(i);

    66           let label = "";

    67           if (item.label) {

    68             label = item.label;

    69           } else if (item.text) {

    70             label = item.text;

    71           } else {

    72             label = item.value;

    73           }

    75           if (filter && label.toLowerCase().indexOf(lowerFieldValue) == -1) {

    76             continue;

    77           }

    79           labels.push(label);

    80           values.push(item.value);

    81         }

    82       }

    83     }

    85     return [values, labels];

    86   }

    87 };

    89 let component = [InputListAutoComplete];

    90 this.NSGetFactory = XPCOMUtils.generateNSGetFactory(component);

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