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rm default.js

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Barbara Miller 2018-01-15 19:38:15 -08:00
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commit e52ba4c8ef
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brozzler/js-templates/default.js
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/*
* brozzler/behaviors.d/default.js - default behavior, scrolls to the bottom of
* the page and clicks on selected embedded elements
*
* Copyright (C) 2014-2016 Internet Archive
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var umbraAboveBelowOrOnScreen = function(e) {
var eTop = e.getBoundingClientRect().top;
if (eTop < window.scrollY) {
return -1; // above
} else if (eTop > window.scrollY + window.innerHeight) {
return 1; // below
} else {
return 0; // on screen
}
}
var UMBRA_IFRAME_EMBEDDED_SELECTOR = "iframe";
//elements selected for SoundCloud.com
var UMBRA_THINGS_TO_CLICK_EMBEDDED_SELECTOR = "button.sc-button-play, .playButton, div.soundItem";
//elements selected for Archive.org Playlists
UMBRA_THINGS_TO_CLICK_EMBEDDED_SELECTOR += ", .jwlist>a"
var MAX_IFRAME_RECURSE_DEPTH = 1; //0-based
var umbraState = {'idleSince':null};
var umbraAlreadyClicked = {};
var umbraFinished = false;
var umbraIntervalFunc = function() {
var umbraEmbeddedElements = [];
getUmbraEmbeddedElements(umbraEmbeddedElements);
var clickedSomething = false;
var somethingLeftBelow = false;
var somethingLeftAbove = false;
var missedAbove = 0;
for (var i = 0; i < umbraEmbeddedElements.length; i++) {
var targetId = umbraEmbeddedElements[i].id;
var target = umbraEmbeddedElements[i].target;
if (!(targetId in umbraAlreadyClicked)) {
var where = umbraAboveBelowOrOnScreen(target);
if (where == 0) { // on screen
// var pos = target.getBoundingClientRect().top;
// window.scrollTo(0, target.getBoundingClientRect().top - 100);
console.log("clicking at " + target.getBoundingClientRect().top + " on " + target.outerHTML);
if (target.click != undefined) {
target.click();
}
umbraAlreadyClicked[targetId] = true;
clickedSomething = true;
umbraState.idleSince = null;
break;
} else if (where > 0) {
somethingLeftBelow = true;
} else if (where < 0) {
somethingLeftAbove = true;
}
}
}
if (!clickedSomething) {
if (somethingLeftAbove) {
console.log("scrolling UP because everything on this screen has been clicked but we missed something above");
window.scrollBy(0, -500);
umbraState.idleSince = null;
} else if (somethingLeftBelow) {
console.log("scrolling because everything on this screen has been clicked but there's more below document.body.clientHeight=" + document.body.clientHeight);
window.scrollBy(0, 200);
umbraState.idleSince = null;
} else if (window.scrollY + window.innerHeight < document.documentElement.scrollHeight) {
console.log("scrolling because we're not to the bottom yet document.body.clientHeight=" + document.body.clientHeight);
window.scrollBy(0, 200);
umbraState.idleSince = null;
} else if (umbraState.idleSince == null) {
umbraState.idleSince = Date.now();
}
}
if (umbraState.idleSince == null) {
umbraState.idleSince = Date.now();
}
}
//try to detect sound cloud "Play" buttons and return them as targets for clicking
var getUmbraEmbeddedElements = function(embeddedElements, currentIframeDepth, currentDocument,
iframeElement) {
//set default values for parameters
currentIframeDepth = currentIframeDepth || 0;
currentDocument = currentDocument || document;
if (currentIframeDepth > MAX_IFRAME_RECURSE_DEPTH) {
return;
}
//collect all buttons on current document first
var button = [];
button = currentDocument.querySelectorAll(UMBRA_THINGS_TO_CLICK_EMBEDDED_SELECTOR);
var cssPathIframe = iframeElement ? getElementCssPath(iframeElement) : "";
for (var i = 0; i < button.length; i++) {
embeddedElements.push({"id" : cssPathIframe + getElementCssPath(button.item(i)), "target" : button.item(i)});
}
//now get all buttons in embedded iframes
var iframe = [];
iframe = currentDocument.querySelectorAll(UMBRA_IFRAME_EMBEDDED_SELECTOR);
for (var i = 0; i < iframe.length; i++) {
getUmbraEmbeddedElements(embeddedElements, currentIframeDepth + 1, iframe[i].contentWindow.document.body, iframe[i]);
}
}
// If we haven't had anything to do (scrolled, clicked, etc) in this amount of
// time, then we consider ourselves finished with the page.
var UMBRA_USER_ACTION_IDLE_TIMEOUT_SEC = 10;
// Called from outside of this script.
var umbraBehaviorFinished = function() {
if (umbraState.idleSince != null) {
var idleTimeMs = Date.now() - umbraState.idleSince;
if (idleTimeMs / 1000 > UMBRA_USER_ACTION_IDLE_TIMEOUT_SEC) {
clearInterval(umbraIntervalId)
return true;
}
}
return false;
}
//copied from http://stackoverflow.com/questions/4588119/get-elements-css-selector-without-element-id
var getElementCssPath = function(element) {
var names = [];
while (element.parentNode){
if (element.id){
names.unshift('#' + element.id);
break;
} else {
if (element == element.ownerDocument.documentElement) {
names.unshift(element.tagName);
}
else {
for (var c = 1, e = element; e.previousElementSibling; e = e.previousElementSibling, c++);
names.unshift(element.tagName + ":nth-child(" + c + ")");
}
element = element.parentNode;
}
}
return names.join(" > ");
}
var umbraIntervalId = setInterval(umbraIntervalFunc, 100);