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touch.user.js
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touch.user.js
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// ==UserScript==
// @name Twitch touches pokemon
// @namespace https://github.com/lostcoaster/twitch-touches-pokemon
// @author lostcoaster
// @author MattiasBuelens
// @version 1.8
// @description A tool adding a touch overlay onto the stream of twitchplayspokemon.
// @grant unsafeWindow
// this include string credits Twitch Plays Pokemon Chat Filter
// @include /^https?://(www|beta)\.twitch\.tv\/twitchplayspokemon.*$/
// @include /^https?://(www\.)?tinytwit\.ch\/twitchplayspokemon.*$/
// @include /^https?://(www\.)?twitchplayspokemon\.net\/?$/
// @updateURL https://raw.githubusercontent.com/lostcoaster/twitch-touches-pokemon/master/touch.user.js
// ==/UserScript==
// for bookmarklet users : javascript:(function(){document.body.appendChild(document.createElement('script')).src='https://raw.githubusercontent.com/lostcoaster/twitch-touches-pokemon/master/touch.user.js';})();
/* jshint
lastsemic:true,
eqeqeq:true,
unused:true
*/
/* global
unsafeWindow:false
*/
(function () {
'use strict';
// ----------------------------
// Greasemonkey support
// ----------------------------
// Greasemonkey userscripts run in a separate environment and cannot use global
// variables from the page directly. They need to be accessed via `unsafeWindow`
var myWindow;
try {
myWindow = unsafeWindow;
} catch (e) {
myWindow = window;
}
var $ = myWindow.jQuery;
var Setting = function (key, defaultValue) {
this.key = key;
this.defaultValue = defaultValue;
this.value = undefined;
this.observers = [];
};
Setting.prototype.getValue = function () {
return (this.value !== undefined) ? this.value : this.defaultValue;
};
Setting.prototype.setValue = function (value) {
var newValue = (value !== undefined) ? value : this.defaultValue;
if (newValue !== this.value) {
this.value = newValue;
this.fireObservers(newValue);
}
};
Setting.prototype.restoreDefault = function () {
this.setValue(this.defaultValue);
};
Setting.prototype.load = function (settings) {
this.setValue(settings ? settings[this.key] : undefined);
};
Setting.prototype.save = function (settings) {
settings[this.key] = this.getValue();
};
Setting.prototype.observe = function (observer) {
this.observers.push(observer);
};
Setting.prototype.fireObservers = function (value) {
for (var i = 0; i < this.observers.length; i++) {
this.observers[i].call(null, value, this.key, this);
}
};
Setting.prototype.bind = function (input) {
input = $(input);
if (input.is(':checkbox')) {
this.bindCheckbox(input);
}
};
Setting.prototype.bindCheckbox = function (checkbox) {
var self = this;
// set current value
checkbox.prop('checked', this.getValue());
// bind checkbox to setting
this.observe(function (newValue) {
checkbox.prop('checked', newValue);
});
// bind setting to checkbox
checkbox.change(function () {
self.setValue(checkbox.prop('checked'));
});
};
var forIn = function (obj, f) {
for (var k in obj) {
if (Object.prototype.hasOwnProperty.call(obj, k)) {
f(k, obj[k]);
}
}
};
var touch_pad = {
parameters: {
position_x: 0.716,
position_y: 0.595,
original_height: 609,
bar_height: 30,
ratio: 9 / 15,
screen_height: 240,
screen_width: 320
},
settings: {
show_border: new Setting('show_border', true),
direct_send: new Setting('direct_send', false)
},
settings_key: 'twitch-touches-pokemon',
scale: 1,
interval_handle: (window.touch_pad === undefined ? undefined : touch_pad.interval_handle),
// reflect mouse event to coordinate output.
coords: function (event) {
var x = Math.floor((event.pageX - $(event.target).offset().left) / touch_pad.scale);
var y = Math.floor((event.pageY - $(event.target).offset().top) / touch_pad.scale);
x = Math.min(Math.max(x, 1), touch_pad.parameters.screen_width);
y = Math.min(Math.max(y, 1), touch_pad.parameters.screen_height);
return x + ',' + y;
},
// adjust position of the box, parameters are relative position of top-left corner of the box within stream screen
// 0 <= rx,ry <= 1
position: function (rx, ry) {
try{
var base = $('#player,#videoPlayer');
if(!base.is('object')) // in tinytwitch #player is that object.
base = base.find('object'); // but in twitch player is just a div.
var height = base.height() - touch_pad.parameters.bar_height;
var base_offset = base.offset();
var real_height, real_width, left_margin, top_margin;
if (height / base.width() > touch_pad.parameters.ratio) {
// this is the behavior of BetterTTV, filling horizontally and leave margins on top and bottom
real_width = base.width();
real_height = real_width * touch_pad.parameters.ratio;
touch_pad.scale = real_height / touch_pad.parameters.original_height;
left_margin = 0;
top_margin = (height - real_height) / 2;
} else {
// this is the normal behavior of twitch, filling vertically and leave margins on left and right.
real_height = height;
touch_pad.scale = real_height / touch_pad.parameters.original_height;
real_width = real_height / touch_pad.parameters.ratio;
left_margin = (base.width() - real_width) / 2;
top_margin = 0;
}
$('.touch_overlay').offset({
top: Math.floor(base_offset.top + top_margin + ry * real_height),
left: Math.floor(base_offset.left + left_margin + rx * real_width)
})
.height(Math.floor(touch_pad.parameters.screen_height * touch_pad.scale))
.width(Math.floor(touch_pad.parameters.screen_width * touch_pad.scale));
} catch(err) {
console.error(err); //don't quit
}
},
aim: function () {
touch_pad.position(touch_pad.parameters.position_x, touch_pad.parameters.position_y); // rough estimation No.2
},
init_settings: function () {
forIn(touch_pad.settings, function (k, setting) {
setting.observe(function () {
touch_pad.save_settings();
});
});
},
load_settings: function () {
var settings = JSON.parse(myWindow.localStorage.getItem(touch_pad.settings_key));
forIn(touch_pad.settings, function (k, setting) {
setting.load(settings);
});
},
save_settings: function () {
var settings = {};
forIn(touch_pad.settings, function (k, setting) {
setting.save(settings);
});
myWindow.localStorage.setItem(touch_pad.settings_key, JSON.stringify(settings));
},
restore_default_settings: function () {
forIn(touch_pad.settings, function (k, setting) {
setting.restoreDefault();
});
},
put_chat: function(text){
var ret = $('textarea')
.val(text)
.change().length;
if (touch_pad.settings.direct_send.getValue()) {
$('.send-chat-button button').click();
}
return ret>0;
},
init: function () {
if ($('.touch_overlay').length === 0) {
if(location.href == "http://www.twitch.tv/twitchplayspokemon/chat"){
// the window
var callback = function(e){
if(e.data && e.data.type === 'chat_coordinate')
touch_pad.put_chat(e.data.content);
};
if(myWindow.attachEvent){
// IE
myWindow.attachEvent('onmessage', callback)
} else if (myWindow.addEventListener){
// general browser
myWindow.addEventListener('message', callback, false)
}
}
$('body')
.append('<div class="touch_overlay" style="cursor:crosshair;z-index:99"></div>')
.append('<style type="text/css">.touchborder{border:red solid 1px;}</style>');
$('.touch_overlay').unbind()
.mouseup(function (event) {
var output_text = touch_pad.coords(event);
// on tinytwitch accessing the textarea is difficult.
if (!touch_pad.put_chat(output_text)){
var chat_frame = $('#chat_embed');
if(chat_frame.length>0 && chat_frame[0].contentWindow.postMessage){
//try using the postmessage in html5
chat_frame[0].contentWindow
.postMessage({type:'chat_coordinate', content:output_text}, 'http://www.twitch.tv');
} else {
myWindow.prompt('Twitch touches pokemon cannot locate the chat box on this page, possibly because it is not on the offical stream page, but you can copy the following value to send it yourself.',
output_text);
}
}
});
// add the reaiming into settings menu. idea stolen from the chat-filter : http://redd.it/1y8ukl
$('.chat-settings')
.append('<div class="chat-menu-header">Touch pad</div>')
.append($('<div class="chat-menu-content"></div>')
.append('<p><label><input id="ttp-show-border" type="checkbox"> Show border</label></p>')
.append('<p><label><input id="ttp-direct-send" type="checkbox"> Send on clicking</label></p>')
.append($('<button>Reposition Touchpad</button>').click(function () {
touch_pad.aim();
})));
}
// initialize settings
touch_pad.init_settings();
// bind inputs to settings
touch_pad.settings.show_border.bind('#ttp-show-border');
touch_pad.settings.direct_send.bind('#ttp-direct-send');
// observe settings
touch_pad.settings.show_border.observe(function (shown) {
$('.touch_overlay').toggleClass("touchborder", shown);
});
// load settings
touch_pad.load_settings();
//start running
touch_pad.aim();
if (touch_pad.interval_handle) {
clearInterval(touch_pad.interval_handle);
}
//update the size every 50 ms , thanks to Meiguro's idea!
touch_pad.interval_handle = setInterval(touch_pad.aim, 50);
}
};
// initialize on DOM ready
$(function () {
touch_pad.init();
});
})();