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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.
/**
* Requests the database from the backend.
*/
function requestAutocompleteActionPredictorDb() {
console.debug('Requesting NAP DB');
chrome.send('requestAutocompleteActionPredictorDb');
}
/**
* Callback from backend with the database contents. Sets up some globals and
* calls to create the UI.
* @param {Dictionary} database Information about AutocompleteActionPredictor
* including the database as a flattened list, a boolean indicating if the
* system is enabled and the current hit weight.
*/
function updateDatabaseTable(database) {
console.debug('Updating Table NAP DB');
var filter = $('filter');
filter.disabled = false;
filter.onchange = function() {
updateDatabaseView(database);
};
updateDatabaseView(database);
}
/**
* Updates the table from the database.
* @param {Dictionary} database Information about AutocompleteActionPredictor
* including the database as a flattened list, a boolean indicating if the
* system is enabled and the current hit weight.
*/
function updateDatabaseView(database) {
var databaseSection = $('databaseTableBody');
var showEnabled = database.enabled && database.db;
$('enabledMode').hidden = !showEnabled;
$('disabledMode').hidden = showEnabled;
if (!showEnabled)
return;
var filter = $('filter');
// Clear any previous list.
databaseSection.textContent = '';
for (var i = 0; i < database.db.length; ++i) {
var entry = database.db[i];
if (!filter.checked || entry.confidence > 0) {
var row = document.createElement('tr');
row.className = (entry.confidence > 0.8 ? 'action-prerender' :
(entry.confidence > 0.5 ? 'action-preconnect' :
'action-none'));
row.appendChild(document.createElement('td')).textContent =
entry.user_text;
row.appendChild(document.createElement('td')).textContent = entry.url;
row.appendChild(document.createElement('td')).textContent =
entry.hit_count;
row.appendChild(document.createElement('td')).textContent =
entry.miss_count;
row.appendChild(document.createElement('td')).textContent =
entry.confidence;
databaseSection.appendChild(row);
}
}
$('countBanner').textContent = 'Entries: ' + databaseSection.children.length;
$('countBanner').textContent += ' Hit Weight: ' + database.hit_weight;
}
document.addEventListener('DOMContentLoaded',
requestAutocompleteActionPredictorDb);
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