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- /*
- Copyright (c) 2007-9, iUI Project Members
- See LICENSE.txt for licensing terms
- */
- (function() {
- var slideSpeed = 20;
- var slideInterval = 0;
- var currentPage = null;
- var currentDialog = null;
- var currentWidth = 0;
- var currentHash = location.hash;
- var hashPrefix = "#_";
- var pageHistory = [];
- var newPageCount = 0;
- var checkTimer;
- var hasOrientationEvent = false;
- var portraitVal = "portrait";
- var landscapeVal = "landscape";
- // *************************************************************************************************
- window.iui =
- {
- animOn: true, // Slide animation with CSS transition is now enabled by default where supported
- showPage: function(page, backwards)
- {
- if (page)
- {
- if (currentDialog)
- {
- currentDialog.removeAttribute("selected");
- currentDialog = null;
- }
- if (hasClass(page, "dialog"))
- showDialog(page);
- else
- {
- var fromPage = currentPage;
- currentPage = page;
- if (fromPage)
- setTimeout(slidePages, 0, fromPage, page, backwards);
- else
- updatePage(page, fromPage);
- }
- }
- },
- showPageById: function(pageId)
- {
- var page = $(pageId);
- if (page)
- {
- var index = pageHistory.indexOf(pageId);
- var backwards = index != -1;
- if (backwards)
- pageHistory.splice(index, pageHistory.length);
- iui.showPage(page, backwards);
- }
- },
- showPageByHref: function(href, args, method, replace, cb, bw)
- {
- var req = new XMLHttpRequest();
- req.onerror = function()
- {
- if (cb)
- cb(false);
- };
-
- req.onreadystatechange = function()
- {
- if (req.readyState == 4)
- {
- if (replace)
- replaceElementWithSource(replace, req.responseText);
- else
- {
- var frag = document.createElement("div");
- frag.innerHTML = req.responseText;
- iui.insertPages(frag.childNodes, bw);
- }
- if (cb)
- setTimeout(cb, 1000, true);
- }
- };
- if (args)
- {
- req.open(method || "GET", href, true);
- req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
- req.setRequestHeader("Content-Length", args.length);
- req.send(args.join("&"));
- }
- else
- {
- req.open(method || "GET", href, true);
- req.send(null);
- }
- },
-
- insertPages: function(nodes, bw)
- {
- var targetPage;
- for (var i = 0; i < nodes.length; ++i)
- {
- var child = nodes[i];
- if (child.nodeType == 1)
- {
- if (!child.id)
- child.id = "__" + (++newPageCount) + "__";
- var clone = $(child.id);
- if (clone)
- clone.parentNode.replaceChild(child, clone);
- else
- document.body.appendChild(child);
- if (child.getAttribute("selected") == "true" || !targetPage)
- targetPage = child;
-
- --i;
- }
- }
- if (targetPage)
- iui.showPage(targetPage, bw);
- },
- getSelectedPage: function()
- {
- for (var child = document.body.firstChild; child; child = child.nextSibling)
- {
- if (child.nodeType == 1 && child.getAttribute("selected") == "true")
- return child;
- }
- },
- isNativeUrl: function(href)
- {
- for(var i = 0; i < iui.nativeUrlPatterns.length; i++)
- {
- if(href.match(iui.nativeUrlPatterns[i])) return true;
- }
- return false;
- },
- nativeUrlPatterns: [
- new RegExp("^http:\/\/maps.google.com\/maps\?"),
- new RegExp("^mailto:"),
- new RegExp("^tel:"),
- new RegExp("^http:\/\/www.youtube.com\/watch\\?v="),
- new RegExp("^http:\/\/www.youtube.com\/v\/"),
- new RegExp("^javascript:"),
- ]
- };
- // *************************************************************************************************
- addEventListener("load", function(event)
- {
- var page = iui.getSelectedPage();
- var locPage = getPageFromLoc();
-
- if (page)
- iui.showPage(page);
-
- if (locPage && (locPage != page))
- iui.showPage(locPage);
-
- setTimeout(preloadImages, 0);
- if (typeof window.onorientationchange == "object")
- {
- window.onorientationchange=orientChangeHandler;
- hasOrientationEvent = true;
- setTimeout(orientChangeHandler, 0);
- }
- setTimeout(checkOrientAndLocation, 0);
- checkTimer = setInterval(checkOrientAndLocation, 300);
- }, false);
- addEventListener("unload", function(event)
- {
- return;
- }, false);
-
- addEventListener("click", function(event)
- {
- var link = findParent(event.target, "a");
- if (link)
- {
- function unselect() { link.removeAttribute("selected"); }
-
- if (link.href && link.hash && link.hash != "#" && !link.target)
- {
- link.setAttribute("selected", "true");
- iui.showPage($(link.hash.substr(1)));
- setTimeout(unselect, 500);
- }
- else if (link == $("backButton"))
- history.back();
- else if (link.getAttribute("type") == "submit")
- {
- var form = findParent(link, "form");
- if (form.target == "_self")
- {
- form.submit();
- return; // return so we don't preventDefault
- }
- submitForm(form);
- }
- else if (link.getAttribute("type") == "cancel")
- cancelDialog(findParent(link, "form"));
- else if (link.target == "_replace")
- {
- link.setAttribute("selected", "progress");
- iui.showPageByHref(link.href, null, null, link, unselect);
- }
- else if (iui.isNativeUrl(link.href))
- {
- return;
- }
- else if (link.target == "_webapp")
- {
- location.href = link.href;
- }
- else if (!link.target)
- {
- link.setAttribute("selected", "progress");
- var bw = link.getAttribute("backwards");
- iui.showPageByHref(link.href, null, null, null, unselect, bw);
- }
- else
- return;
-
- event.preventDefault();
- }
- }, true);
- addEventListener("click", function(event)
- {
- var div = findParent(event.target, "div");
- if (div && hasClass(div, "toggle"))
- {
- div.setAttribute("toggled", div.getAttribute("toggled") != "true");
- event.preventDefault();
- }
- }, true);
- function getPageFromLoc()
- {
- var page;
- var result = location.hash.match(/#_([^\?_]+)/);
- if (result)
- page = result[1];
- if (page)
- page = $(page);
- return page;
- }
- function orientChangeHandler()
- {
- var orientation=window.orientation;
- switch(orientation)
- {
- case 0:
- setOrientation(portraitVal);
- break;
-
- case 90:
- case -90:
- setOrientation(landscapeVal);
- break;
- }
- }
- function checkOrientAndLocation()
- {
- if (!hasOrientationEvent)
- {
- if (window.innerWidth != currentWidth)
- {
- currentWidth = window.innerWidth;
- var orient = currentWidth == 320 ? portraitVal : landscapeVal;
- setOrientation(orient);
- }
- }
- if (location.hash != currentHash)
- {
- var pageId = location.hash.substr(hashPrefix.length);
- iui.showPageById(pageId);
- }
- }
- function setOrientation(orient)
- {
- document.body.setAttribute("orient", orient);
- setTimeout(scrollTo, 100, 0, 1);
- }
- function showDialog(page)
- {
- currentDialog = page;
- page.setAttribute("selected", "true");
-
- if (hasClass(page, "dialog") && !page.target)
- showForm(page);
- }
- function showForm(form)
- {
- form.onsubmit = function(event)
- {
- event.preventDefault();
- submitForm(form);
- };
-
- form.onclick = function(event)
- {
- if (event.target == form && hasClass(form, "dialog"))
- cancelDialog(form);
- };
- }
- function cancelDialog(form)
- {
- form.removeAttribute("selected");
- }
- function updatePage(page, fromPage)
- {
- if (!page.id)
- page.id = "__" + (++newPageCount) + "__";
- location.hash = currentHash = hashPrefix + page.id;
- pageHistory.push(page.id);
- var pageTitle = $("pageTitle");
- if (page.title)
- pageTitle.innerHTML = page.title;
- if (page.localName.toLowerCase() == "form" && !page.target)
- showForm(page);
-
- var backButton = $("backButton");
- if (backButton)
- {
- var prevPage = $(pageHistory[pageHistory.length-2]);
- if (prevPage && !page.getAttribute("hideBackButton"))
- {
- backButton.style.display = "inline";
- backButton.innerHTML = prevPage.title ? prevPage.title : "Back";
- }
- else
- backButton.style.display = "none";
- }
- var backButton = $("myBackButton");
- if (backButton)
- {
- var label = page.getAttribute("myBackLabel");
- if (label)
- {
- backButton.style.display = "inline";
- backButton.innerHTML = label;
- backButton.href = page.getAttribute("myBackHref");
- //backButton.target = page.getAttribute("myBackTarget");
- target = page.getAttribute("myBackTarget");
- if (target == null)
- backButton.target = '';
- else
- backButton.target = target;
- backButton.setAttribute("backwards", "true");
- }
- else
- backButton.style.display = "none";
- }
- }
- function slidePages(fromPage, toPage, backwards)
- {
- var axis = (backwards ? fromPage : toPage).getAttribute("axis");
- clearInterval(checkTimer);
-
- if (canDoSlideAnim() && axis != 'y')
- {
- slide2(fromPage, toPage, backwards, slideDone);
- }
- else
- {
- slide1(fromPage, toPage, backwards, axis, slideDone);
- }
- function slideDone()
- {
- if (!hasClass(toPage, "dialog"))
- fromPage.removeAttribute("selected");
- checkTimer = setInterval(checkOrientAndLocation, 300);
- setTimeout(updatePage, 0, toPage, fromPage);
- fromPage.removeEventListener('webkitTransitionEnd', slideDone, false);
- }
- }
- function canDoSlideAnim()
- {
- return (iui.animOn) && (typeof WebKitCSSMatrix == "object");
- }
- function slide1(fromPage, toPage, backwards, axis, cb)
- {
- if (axis == "y")
- (backwards ? fromPage : toPage).style.top = "100%";
- else
- toPage.style.left = "100%";
- scrollTo(0, 1);
- toPage.setAttribute("selected", "true");
- var percent = 100;
- slide();
- var timer = setInterval(slide, slideInterval);
- function slide()
- {
- percent -= slideSpeed;
- if (percent <= 0)
- {
- percent = 0;
- clearInterval(timer);
- cb();
- }
-
- if (axis == "y")
- {
- backwards
- ? fromPage.style.top = (100-percent) + "%"
- : toPage.style.top = percent + "%";
- }
- else
- {
- fromPage.style.left = (backwards ? (100-percent) : (percent-100)) + "%";
- toPage.style.left = (backwards ? -percent : percent) + "%";
- }
- }
- }
- function slide2(fromPage, toPage, backwards, cb)
- {
- toPage.style.webkitTransitionDuration = '0ms'; // Turn off transitions to set toPage start offset
- // fromStart is always 0% and toEnd is always 0%
- // iPhone won't take % width on toPage
- var toStart = 'translateX(' + (backwards ? '-' : '') + window.innerWidth + 'px)';
- var fromEnd = 'translateX(' + (backwards ? '100%' : '-100%') + ')';
- toPage.style.webkitTransform = toStart;
- toPage.setAttribute("selected", "true");
- toPage.style.webkitTransitionDuration = ''; // Turn transitions back on
- function startTrans()
- {
- fromPage.style.webkitTransform = fromEnd;
- toPage.style.webkitTransform = 'translateX(0%)'; //toEnd
- }
- fromPage.addEventListener('webkitTransitionEnd', cb, false);
- setTimeout(startTrans, 0);
- }
- function preloadImages()
- {
- var preloader = document.createElement("div");
- preloader.id = "preloader";
- document.body.appendChild(preloader);
- }
- function submitForm(form)
- {
- iui.showPageByHref(form.action || "POST", encodeForm(form), form.method);
- }
- function encodeForm(form)
- {
- function encode(inputs)
- {
- for (var i = 0; i < inputs.length; ++i)
- {
- if (inputs[i].name)
- args.push(inputs[i].name + "=" + escape(inputs[i].value));
- }
- }
- var args = [];
- encode(form.getElementsByTagName("input"));
- encode(form.getElementsByTagName("textarea"));
- encode(form.getElementsByTagName("select"));
- return args;
- }
- function findParent(node, localName)
- {
- while (node && (node.nodeType != 1 || node.localName.toLowerCase() != localName))
- node = node.parentNode;
- return node;
- }
- function hasClass(self, name)
- {
- var re = new RegExp("(^|\\s)"+name+"($|\\s)");
- return re.exec(self.getAttribute("class")) != null;
- }
- function replaceElementWithSource(replace, source)
- {
- var page = replace.parentNode;
- var parent = replace;
- while (page.parentNode != document.body)
- {
- page = page.parentNode;
- parent = parent.parentNode;
- }
- var frag = document.createElement(parent.localName);
- frag.innerHTML = source;
- page.removeChild(parent);
- while (frag.firstChild)
- page.appendChild(frag.firstChild);
- }
- function $(id) { return document.getElementById(id); }
- function ddd() { console.log.apply(console, arguments); }
- })();
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