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// Copyright 2016 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('chrome.SnippetsInternals', function() {
'use strict';
// Stores the list of suggestions we received in receiveContentSuggestions.
var lastSuggestions = [];
function initialize() {
$('submit-download').addEventListener('click', function(event) {
chrome.send('download');
event.preventDefault();
});
$('submit-dump').addEventListener('click', function(event) {
downloadJson(JSON.stringify(lastSuggestions));
event.preventDefault();
});
$('last-json-button').addEventListener('click', function(event) {
$('last-json-container').classList.toggle('hidden');
});
$('last-json-dump').addEventListener('click', function(event) {
downloadJson($('last-json-text').innerText);
event.preventDefault();
});
$('clear-classification').addEventListener('click', function(event) {
chrome.send('clearClassification');
event.preventDefault();
});
$('background-fetch-button').addEventListener('click', function(event) {
chrome.send('fetchRemoteSuggestionsInTheBackground');
event.preventDefault();
});
window.addEventListener('focus', refreshContent);
window.setInterval(refreshContent, 1000);
refreshContent();
}
function receiveProperty(propertyId, value) {
$(propertyId).textContent = value;
}
function receiveContentSuggestions(categoriesList) {
lastSuggestions = categoriesList;
displayList(categoriesList, 'content-suggestions',
'hidden-toggler');
var clearCachedButtons =
document.getElementsByClassName('submit-clear-cached-suggestions');
for (var button of clearCachedButtons) {
button.addEventListener('click', onClearCachedButtonClicked);
}
var clearDismissedButtons =
document.getElementsByClassName('submit-clear-dismissed-suggestions');
for (var button of clearDismissedButtons) {
button.addEventListener('click', onClearDismissedButtonClicked);
}
var toggleDismissedButtons =
document.getElementsByClassName('toggle-dismissed-suggestions');
for (var button of toggleDismissedButtons) {
button.addEventListener('click', onToggleDismissedButtonClicked);
}
}
function onClearCachedButtonClicked(event) {
event.preventDefault();
var id = parseInt(event.currentTarget.getAttribute('category-id'), 10);
chrome.send('clearCachedSuggestions', [id]);
}
function onClearDismissedButtonClicked(event) {
event.preventDefault();
var id = parseInt(event.currentTarget.getAttribute('category-id'), 10);
chrome.send('clearDismissedSuggestions', [id]);
}
function onToggleDismissedButtonClicked(event) {
event.preventDefault();
var id = parseInt(event.currentTarget.getAttribute('category-id'), 10);
var table = $('dismissed-suggestions-' + id);
table.classList.toggle('hidden');
chrome.send('toggleDismissedSuggestions',
[id, !table.classList.contains('hidden')]);
}
function receiveJson(json) {
var trimmed = json.trim();
var hasContent = (trimmed && trimmed != '{}');
if (hasContent) {
receiveProperty('last-json-text', trimmed);
$('last-json').classList.remove('hidden');
} else {
$('last-json').classList.add('hidden');
}
}
function receiveClassification(
userClass, timeToOpenNTP, timeToShow, timeToUse) {
receiveProperty('user-class', userClass);
receiveProperty('avg-time-to-open-ntp', timeToOpenNTP);
receiveProperty('avg-time-to-show', timeToShow);
receiveProperty('avg-time-to-use', timeToUse);
}
function receiveLastRemoteSuggestionsBackgroundFetchTime(
lastRemoteSuggestionsBackgroundFetchTime) {
receiveProperty('last-background-fetch-time-label',
lastRemoteSuggestionsBackgroundFetchTime);
}
function downloadJson(json) {
// Redirect the browser to download data in |json| as a file "snippets.json"
// (Setting Content-Disposition: attachment via a data: URL is not possible;
// create a link with download attribute and simulate a click, instead.)
var link = document.createElement('a');
link.download = 'snippets.json';
link.href = 'data:,' + json;
link.click();
}
function refreshContent() {
chrome.send('refreshContent');
}
function toggleHidden(event) {
var id = event.currentTarget.getAttribute('hidden-id');
$(id).classList.toggle('hidden');
}
function displayList(object, domId, toggleClass) {
jstProcess(new JsEvalContext(object), $(domId));
var text;
var display;
if (object.list.length > 0) {
text = '';
display = 'inline';
} else {
text = 'The list is empty.';
display = 'none';
}
if ($(domId + '-empty')) $(domId + '-empty').textContent = text;
if ($(domId + '-clear')) $(domId + '-clear').style.display = display;
var links = document.getElementsByClassName(toggleClass);
for (var link of links) {
link.addEventListener('click', toggleHidden);
}
}
// Return an object with all of the exports.
return {
initialize: initialize,
receiveProperty: receiveProperty,
receiveContentSuggestions: receiveContentSuggestions,
receiveJson: receiveJson,
receiveClassification: receiveClassification,
receiveLastRemoteSuggestionsBackgroundFetchTime:
receiveLastRemoteSuggestionsBackgroundFetchTime,
};
});
document.addEventListener('DOMContentLoaded',
chrome.SnippetsInternals.initialize);
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