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Unified Diff: static/js/index.js

Issue 29322769: Issue 2844 - Create Microsoft Edge coming soon landing page (Closed)
Patch Set: Process sprites with pngout too. Created Sept. 30, 2015, 2:34 p.m.
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Index: static/js/index.js
===================================================================
--- a/static/js/index.js
+++ b/static/js/index.js
@@ -1,8 +1,125 @@
(function()
{
+ function addListener(obj, type, listener, useCapture)
+ {
+ if ("addEventListener" in obj)
+ {
+ obj.addEventListener(type, function(ev)
+ {
+ if (listener(ev) === false)
+ ev.preventDefault();
+ }, useCapture);
+ }
+ else
+ {
+ // IE 8
+ if (type == "DOMContentLoaded")
+ type = "readystatechange";
+
+ type = "on" + type;
+ if ("attachEvent" in obj)
+ {
+ obj.attachEvent(type, function()
+ {
+ if (document.readyState == "complete" && listener(event) === false)
+ event.returnValue = false;
+ });
+ }
+ else
+ {
+ obj[type] = listener;
+ }
+ }
+ }
+
+ function addPlaceholder(textbox)
+ {
+ textbox.setAttribute("class", "placeholder");
+ textbox.value = getPlaceholderText(textbox);
+ }
+
+ function getPlaceholderText(textbox)
+ {
+ return textbox.getAttribute("placeholder");
+ }
+
+ function initSubscriptionForm(subscriptionElement)
+ {
+ var emailTextbox = subscriptionElement.getElementsByClassName("subscribe-textbox")[0];
saroyanm 2015/09/30 15:38:38 "getElementsByClassName" is not supported in IE8:
+
+ // IE9 + Safari iOS
+ if (!("placeholder" in document.createElement("input"))
+ && !emailTextbox.value)
+ {
+ addPlaceholder(emailTextbox);
+ addListener(emailTextbox, "focus", function()
+ {
+ if (emailTextbox.value == getPlaceholderText(textbox))
saroyanm 2015/09/30 15:38:39 textbox here is undefined, probably we need to cha
+ {
+ emailTextbox.value = "";
+ emailTextbox.setAttribute("class", "");
+ }
+ }, false);
+
+ addListener(emailTextbox, "blur", function()
+ {
+ if (!emailTextbox.value)
+ addPlaceholder(emailTextbox);
+ }, false);
+ }
+
+ var formElement = subscriptionElement.getElementsByTagName("form")[0];
+ addListener(formElement, "submit", function()
+ {
+ if (!window.XMLHttpRequest)
+ {
+ formElement.submit();
+ return false;
+ }
+
+ var inputs = formElement.getElementsByTagName("input");
+ var params = "";
+ for (var i = 0; i < inputs.length; i++)
+ {
+ if (params)
+ params += "&";
+ params += inputs[i].name + "=" + encodeURIComponent(inputs[i].value);
+ }
+ var request = new XMLHttpRequest();
+ request.open("POST", "/submitEmail", true);
+ request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
+ addListener(request, "readystatechange", function()
+ {
+ if (request.readyState == 4)
+ {
+ if (request.status >= 200 && request.status < 300)
+ {
+ formElement.setAttribute("class", "success");
+ }
+ else if (request.status == 400)
+ {
+ formElement.setAttribute("class", "invalid");
+ }
+ else
+ {
+ var errorWrapper = document.getElementById("response-error");
+ if ("textContent" in errorWrapper)
+ errorWrapper.textContent = request.statusText;
+ else // IE8
+ errorWrapper.innerText = request.statusText;
+
+ formElement.setAttribute("class", "error");
+ }
+ }
+ }, false);
+ request.send(params);
+ return false;
+ }, false);
+ }
+
var visibleTab;
var container;
-
+
window.toggleMore = function()
{
if (container.className == "hidden")
@@ -10,14 +127,14 @@
else
container.className = "hidden";
}
-
+
window.showTab = function(button)
{
var id = button.id.substr(5);
container.className = id;
visibleTab = id;
}
-
+
function getDefaultTab()
{
var content = document.getElementById("content");
@@ -25,11 +142,12 @@
visibleTab = ua && ua[1] || "firefox";
return visibleTab;
}
-
+
function init()
{
container = document.getElementById("more-container");
+ initSubscriptionForm(document.getElementById("edge-subscription"));
}
-
+
init();
})();
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