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// 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.
// require: cr.js
cr.define('chrome.sync', function() {
var currSearchId = 0;
var setQueryString = function(queryControl, query) {
queryControl.value = query;
};
var createDoQueryFunction = function(queryControl, submitControl, query) {
return function() {
setQueryString(queryControl, query);
submitControl.click();
};
};
/**
* Decorates the quick search controls
*
* @param {Array of DOM elements} quickLinkArray The <a> object which
* will be given a link to a quick filter option.
* @param {!HTMLInputElement} queryControl The <input> object of
* type=search where the user types in his query.
*/
var decorateQuickQueryControls = function(quickLinkArray, submitControl,
queryControl) {
for (var index = 0; index < allLinks.length; ++index) {
var quickQuery = allLinks[index].getAttribute('data-query');
var quickQueryFunction = createDoQueryFunction(queryControl,
submitControl, quickQuery);
allLinks[index].addEventListener('click', quickQueryFunction);
}
};
/**
* Runs a search with the given query.
*
* @param {string} query The regex to do the search with.
* @param {function} callback The callback called with the search results;
* not called if doSearch() is called again while the search is running.
*/
var doSearch = function(query, callback) {
var searchId = ++currSearchId;
try {
var regex = new RegExp(query);
chrome.sync.getAllNodes(function(node_map) {
// Put all nodes into one big list that ignores the type.
var nodes = node_map.
map(function(x) { return x.nodes; }).
reduce(function(a, b) { return a.concat(b); });
if (currSearchId != searchId) {
return;
}
callback(nodes.filter(function(elem) {
return regex.test(JSON.stringify(elem, null, 2));
}), null);
});
} catch (err) {
// Sometimes the provided regex is invalid. This and other errors will
// be caught and handled here.
callback([], err);
}
};
/**
* Decorates the various search controls.
*
* @param {!HTMLInputElement} queryControl The <input> object of
* type=search where the user types in his query.
* @param {!HTMLButtonElement} submitControl The <button> object
* where the user can click to do his query.
* @param {!HTMLElement} statusControl The <span> object display the
* search status.
* @param {!HTMLElement} listControl The <list> object which holds
* the list of returned results.
* @param {!HTMLPreElement} detailsControl The <pre> object which
* holds the details of the selected result.
*/
function decorateSearchControls(queryControl, submitControl, statusControl,
resultsControl, detailsControl) {
var resultsDataModel = new cr.ui.ArrayDataModel([]);
var searchFunction = function() {
var query = queryControl.value;
statusControl.textContent = '';
resultsDataModel.splice(0, resultsDataModel.length);
if (!query) {
return;
}
statusControl.textContent = 'Searching for ' + query + '...';
queryControl.removeAttribute('error');
var timer = chrome.sync.makeTimer();
doSearch(query, function(nodes, error) {
if (error) {
statusControl.textContent = 'Error: ' + error;
queryControl.setAttribute('error', '');
} else {
statusControl.textContent =
'Found ' + nodes.length + ' nodes in ' +
timer.getElapsedSeconds() + 's';
queryControl.removeAttribute('error');
// TODO(akalin): Write a nicer list display.
for (var i = 0; i < nodes.length; ++i) {
nodes[i].toString = function() {
return this.NON_UNIQUE_NAME;
};
}
resultsDataModel.push.apply(resultsDataModel, nodes);
// Workaround for http://crbug.com/83452 .
resultsControl.redraw();
}
});
};
submitControl.addEventListener('click', searchFunction);
// Decorate search box.
queryControl.onsearch = searchFunction;
queryControl.value = '';
// Decorate results list.
cr.ui.List.decorate(resultsControl);
resultsControl.dataModel = resultsDataModel;
resultsControl.selectionModel.addEventListener('change', function(event) {
detailsControl.textContent = '';
var selected = resultsControl.selectedItem;
if (selected) {
detailsControl.textContent = JSON.stringify(selected, null, 2);
}
});
}
return {
decorateSearchControls: decorateSearchControls,
decorateQuickQueryControls: decorateQuickQueryControls
};
});
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