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// We had to sacrafice a bit of the beauty of this structure to accommodate OS 1.1
// If/when we drop OS <2 just switch all onclick events to ontouchend events.
var elements; // Shortcut to handle html elements
var header = 0; // Used in swap_header
var method; //The method we use, touchend or onclick
var active_index;
var active_url;
// Get ourselves the method based on OS
method = cookie.get('method');
if (method === null) {
if (document.createTouch) {
method = 'touchend';
} else {
method = 'click';
}
cookie.set('method',method,365);
}
// Active
active_index = 0;
active_url = cookie.get('lastpage');
if (active_url === null) {
active_url = 'start.php';
}
// Data sent in HTML comments
var title = null;
var back_url = null;
var back_name = null;
function main () {
// Basic html structure utilized for transitions
elements = {
buttons:[$('#first_button'),$('#second_button')],
titles:[$('#first_title'),$('#second_title')],
pages:[$('#first_page'),$('#second_page')]
};
// Transform on load
elements.pages[1].style.webkitTransform = 'translateX(100%)';
// Set event handlers
elements.titles[0].addEventListener(method, swap_header, false);
elements.titles[1].addEventListener(method, swap_header, false);
elements.buttons[0].addEventListener(method, go_back, false);
elements.buttons[1].addEventListener(method, go_back, false);
elements.pages[0].addEventListener('webkitTransitionEnd', transition_ended, false);
Transitions.DEFAULTS.duration = 0.35;
// Load the content
ajax.get(active_url, function (response) {
get_headers(response);
elements.titles[0].innerHTML = title;
elements.pages[0].innerHTML = response;
if (back_name) {
elements.buttons[0].textContent = back_name;
}
});
// Hide the address bar
setTimeout(function() {
window.scrollTo(0, 1);
setTimeout(function() {
window.scrollTo(0, 0);
},0);
}, 500);
};
// Tap header to swap for ratio
function swap_header() {
//$('#search').style.display = 'block';
}
// Back button alias
function go_back() {
load(back_url,false);
}
// Get data from comments
function get_headers(response) {
title = response.match(/\<\!\-\-Title\:(.+?)\-\-\>/i)[1];
if (response.match(/\<\!\-\-Back\:(.+?)\:(.+?)\-\-\>/i)) {
back_name = response.match(/\<\!\-\-Back\:(.+?)\:(.+?)\-\-\>/i)[1];
back_url = response.match(/\<\!\-\-Back\:(.+?)\:(.+?)\-\-\>/i)[2];
} else {
back_name = null;
back_url = null;
}
}
// Load content
function load(url,forward,formid) {
if (forward === undefined) {
forward = true;
}
if (transitions_in_progress && document.createTouch) { // OS 2
return;
}
if (moved_after_touch) {
return;
}
if (formid === undefined) {
ajax.get(url, function (response) {
get_headers(response);
transition_to_new_element(response, forward);
});
cookie.set('lastpage',url,7);
} else {
ajax.post(url,formid);
}
};
// Moves
var moved_after_touch = false;
function touch_started () {
moved_after_touch = false;
};
function touch_moved () {
moved_after_touch = true;
};
// Transitions
var transitions_in_progress = false;
function transition_ended () {
transitions_in_progress = false;
};
function transition_to_new_element (data, going_forward) {
transitions_in_progress = true;
var from_index = active_index;
var to_index = (active_index == 1) ? 0 : 1;
//Make other page visible
//elements.pages[to_index].style.height = '';
Transitions.DEFAULTS.properties = ['opacity', '-webkit-transform'];
var transitions = new Transitions();
transitions.add({
element: elements.titles[from_index],
duration: [0.5],
properties: ['opacity'],
from: [1],
to: [0]
});
transitions.add({
element : elements.titles[to_index],
duration: [0.5],
properties: ['opacity'],
from : [0],
to : [1]
});
transitions.add({
element: elements.buttons[from_index],
duration: [0.5],
properties: ['opacity'],
from: [1],
to: [0]
});
transitions.add({
element : elements.buttons[to_index],
duration: [0.5],
properties: ['opacity'],
from : [0],
to : [1]
});
// we only change the transform for the page transitions
Transitions.DEFAULTS.properties = ['-webkit-transform'];
transitions.add({
element : elements.pages[from_index],
from : ['translateX(0%)'],
to : ['translateX(' + ((going_forward) ? -150 : 150) + '%)']
});
transitions.add({
element : elements.pages[to_index],
from : ['translateX(' + ((going_forward) ? 150 : -150) + '%)'],
to : ['translateX(0%)']
});
elements.pages[to_index].textContent = '';
elements.pages[to_index].innerHTML = data;
elements.titles[to_index].textContent = title;
elements.buttons[to_index].textContent = back_name;
//Hide other page to avoid excess scroll at the bottom
//elements.pages[from_index].style.height = '0px';
active_index = to_index;
transitions.apply();
};
// Initate main function
window.addEventListener('load', main, false);
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