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#21499

JavaScript

swipe up and down support for jquery mobile

    (function() {
// initializes touch and scroll events
        var supportTouch = $.support.touch,
                scrollEvent = "touchmove scroll",
                touchStartEvent = supportTouch ? "touchstart" : "mousedown",
                touchStopEvent = supportTouch ? "touchend" : "mouseup",
                touchMoveEvent = supportTouch ? "touchmove" : "mousemove";

 // handles swipeup and swipedown
        $.event.special.swipeupdown = {
            setup: function() {
                var thisObject = this;
                var $this = $(thisObject);

                $this.bind(touchStartEvent, function(event) {
                    var data = event.originalEvent.touches ?
                            event.originalEvent.touches[ 0 ] :
                            event,
                            start = {
                                time: (new Date).getTime(),
                                coords: [ data.pageX, data.pageY ],
                                origin: $(event.target)
                            },
                            stop;

                    function moveHandler(event) {
                        if (!start) {
                            return;
                        }

                        var data = event.originalEvent.touches ?
                                event.originalEvent.touches[ 0 ] :
                                event;
                        stop = {
                            time: (new Date).getTime(),
                            coords: [ data.pageX, data.pageY ]
                        };

                        // prevent scrolling
                        if (Math.abs(start.coords[1] - stop.coords[1]) > 10) {
                            event.preventDefault();
                        }
                    }

                    $this
                            .bind(touchMoveEvent, moveHandler)
                            .one(touchStopEvent, function(event) {
                        $this.unbind(touchMoveEvent, moveHandler);
                        if (start && stop) {
                            if (stop.time - start.time < 1000 &&
                                    Math.abs(start.coords[1] - stop.coords[1]) > 30 &&
                                    Math.abs(start.coords[0] - stop.coords[0]) < 75) {
                                start.origin
                                        .trigger("swipeupdown")
                                        .trigger(start.coords[1] > stop.coords[1] ? "swipeup" : "swipedown");
                            }
                        }
                        start = stop = undefined;
                    });
                });
            }
        };

//Adds the events to the jQuery events special collection
        $.each({
            swipedown: "swipeupdown",
            swipeup: "swipeupdown"
        }, function(event, sourceEvent){
            $.event.special[event] = {
                setup: function(){
                    $(this).bind(sourceEvent, $.noop);
                }
            };
        });

    })();
https://snipt.net/embed/b0aabcc13cf9d6a9a1c24bfee5f4301c/
https://snipt.net/raw/b0aabcc13cf9d6a9a1c24bfee5f4301c/
b0aabcc13cf9d6a9a1c24bfee5f4301c
js
JavaScript
77
2014-04-23T20:39:08
True
False
/api/public/snipt/21499/
swipe-up-and-down-support-for-jquery-mobile
<table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><a href="#L-1"> 1</a> <a href="#L-2"> 2</a> <a href="#L-3"> 3</a> <a href="#L-4"> 4</a> <a href="#L-5"> 5</a> <a href="#L-6"> 6</a> <a href="#L-7"> 7</a> <a href="#L-8"> 8</a> <a href="#L-9"> 9</a> <a href="#L-10">10</a> <a href="#L-11">11</a> <a href="#L-12">12</a> <a href="#L-13">13</a> <a href="#L-14">14</a> <a href="#L-15">15</a> <a href="#L-16">16</a> <a href="#L-17">17</a> <a href="#L-18">18</a> <a href="#L-19">19</a> <a href="#L-20">20</a> <a href="#L-21">21</a> <a href="#L-22">22</a> <a href="#L-23">23</a> <a href="#L-24">24</a> <a href="#L-25">25</a> <a href="#L-26">26</a> <a href="#L-27">27</a> <a href="#L-28">28</a> <a href="#L-29">29</a> <a href="#L-30">30</a> <a href="#L-31">31</a> <a href="#L-32">32</a> <a href="#L-33">33</a> <a href="#L-34">34</a> <a href="#L-35">35</a> <a href="#L-36">36</a> <a href="#L-37">37</a> <a href="#L-38">38</a> <a href="#L-39">39</a> <a href="#L-40">40</a> <a href="#L-41">41</a> <a href="#L-42">42</a> <a href="#L-43">43</a> <a href="#L-44">44</a> <a href="#L-45">45</a> <a href="#L-46">46</a> <a href="#L-47">47</a> <a href="#L-48">48</a> <a href="#L-49">49</a> <a href="#L-50">50</a> <a href="#L-51">51</a> <a href="#L-52">52</a> <a href="#L-53">53</a> <a href="#L-54">54</a> <a href="#L-55">55</a> <a href="#L-56">56</a> <a href="#L-57">57</a> <a href="#L-58">58</a> <a href="#L-59">59</a> <a href="#L-60">60</a> <a href="#L-61">61</a> <a href="#L-62">62</a> <a href="#L-63">63</a> <a href="#L-64">64</a> <a href="#L-65">65</a> <a href="#L-66">66</a> <a href="#L-67">67</a> <a href="#L-68">68</a> <a href="#L-69">69</a> <a href="#L-70">70</a> <a href="#L-71">71</a> <a href="#L-72">72</a> <a href="#L-73">73</a> <a href="#L-74">74</a> <a href="#L-75">75</a> <a href="#L-76">76</a></pre></div></td><td class="code"><div class="highlight"><pre><span id="L-1"><a name="L-1"></a> <span class="p">(</span><span class="kd">function</span><span class="p">()</span> <span class="p">{</span> </span><span id="L-2"><a name="L-2"></a><span class="c1">// initializes touch and scroll events</span> </span><span id="L-3"><a name="L-3"></a> <span class="kd">var</span> <span class="nx">supportTouch</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">support</span><span class="p">.</span><span class="nx">touch</span><span class="p">,</span> </span><span id="L-4"><a name="L-4"></a> <span class="nx">scrollEvent</span> <span class="o">=</span> <span class="s2">&quot;touchmove scroll&quot;</span><span class="p">,</span> </span><span id="L-5"><a name="L-5"></a> <span class="nx">touchStartEvent</span> <span class="o">=</span> <span class="nx">supportTouch</span> <span class="o">?</span> <span class="s2">&quot;touchstart&quot;</span> <span class="o">:</span> <span class="s2">&quot;mousedown&quot;</span><span class="p">,</span> </span><span id="L-6"><a name="L-6"></a> <span class="nx">touchStopEvent</span> <span class="o">=</span> <span class="nx">supportTouch</span> <span class="o">?</span> <span class="s2">&quot;touchend&quot;</span> <span class="o">:</span> <span class="s2">&quot;mouseup&quot;</span><span class="p">,</span> </span><span id="L-7"><a name="L-7"></a> <span class="nx">touchMoveEvent</span> <span class="o">=</span> <span class="nx">supportTouch</span> <span class="o">?</span> <span class="s2">&quot;touchmove&quot;</span> <span class="o">:</span> <span class="s2">&quot;mousemove&quot;</span><span class="p">;</span> </span><span id="L-8"><a name="L-8"></a> </span><span id="L-9"><a name="L-9"></a> <span class="c1">// handles swipeup and swipedown</span> </span><span id="L-10"><a name="L-10"></a> <span class="nx">$</span><span class="p">.</span><span class="nx">event</span><span class="p">.</span><span class="nx">special</span><span class="p">.</span><span class="nx">swipeupdown</span> <span class="o">=</span> <span class="p">{</span> </span><span id="L-11"><a name="L-11"></a> <span class="nx">setup</span><span class="o">:</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span> </span><span id="L-12"><a name="L-12"></a> <span class="kd">var</span> <span class="nx">thisObject</span> <span class="o">=</span> <span class="k">this</span><span class="p">;</span> </span><span id="L-13"><a name="L-13"></a> <span class="kd">var</span> <span class="nx">$this</span> <span class="o">=</span> <span class="nx">$</span><span class="p">(</span><span class="nx">thisObject</span><span class="p">);</span> </span><span id="L-14"><a name="L-14"></a> </span><span id="L-15"><a name="L-15"></a> <span class="nx">$this</span><span class="p">.</span><span class="nx">bind</span><span class="p">(</span><span class="nx">touchStartEvent</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">event</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-16"><a name="L-16"></a> <span class="kd">var</span> <span class="nx">data</span> <span class="o">=</span> <span class="nx">event</span><span class="p">.</span><span class="nx">originalEvent</span><span class="p">.</span><span class="nx">touches</span> <span class="o">?</span> </span><span id="L-17"><a name="L-17"></a> <span class="nx">event</span><span class="p">.</span><span class="nx">originalEvent</span><span class="p">.</span><span class="nx">touches</span><span class="p">[</span> <span class="mi">0</span> <span class="p">]</span> <span class="o">:</span> </span><span id="L-18"><a name="L-18"></a> <span class="nx">event</span><span class="p">,</span> </span><span id="L-19"><a name="L-19"></a> <span class="nx">start</span> <span class="o">=</span> <span class="p">{</span> </span><span id="L-20"><a name="L-20"></a> <span class="nx">time</span><span class="o">:</span> <span class="p">(</span><span class="k">new</span> <span class="nb">Date</span><span class="p">).</span><span class="nx">getTime</span><span class="p">(),</span> </span><span id="L-21"><a name="L-21"></a> <span class="nx">coords</span><span class="o">:</span> <span class="p">[</span> <span class="nx">data</span><span class="p">.</span><span class="nx">pageX</span><span class="p">,</span> <span class="nx">data</span><span class="p">.</span><span class="nx">pageY</span> <span class="p">],</span> </span><span id="L-22"><a name="L-22"></a> <span class="nx">origin</span><span class="o">:</span> <span class="nx">$</span><span class="p">(</span><span class="nx">event</span><span class="p">.</span><span class="nx">target</span><span class="p">)</span> </span><span id="L-23"><a name="L-23"></a> <span class="p">},</span> </span><span id="L-24"><a name="L-24"></a> <span class="nx">stop</span><span class="p">;</span> </span><span id="L-25"><a name="L-25"></a> </span><span id="L-26"><a name="L-26"></a> <span class="kd">function</span> <span class="nx">moveHandler</span><span class="p">(</span><span class="nx">event</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-27"><a name="L-27"></a> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">start</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-28"><a name="L-28"></a> <span class="k">return</span><span class="p">;</span> </span><span id="L-29"><a name="L-29"></a> <span class="p">}</span> </span><span id="L-30"><a name="L-30"></a> </span><span id="L-31"><a name="L-31"></a> <span class="kd">var</span> <span class="nx">data</span> <span class="o">=</span> <span class="nx">event</span><span class="p">.</span><span class="nx">originalEvent</span><span class="p">.</span><span class="nx">touches</span> <span class="o">?</span> </span><span id="L-32"><a name="L-32"></a> <span class="nx">event</span><span class="p">.</span><span class="nx">originalEvent</span><span class="p">.</span><span class="nx">touches</span><span class="p">[</span> <span class="mi">0</span> <span class="p">]</span> <span class="o">:</span> </span><span id="L-33"><a name="L-33"></a> <span class="nx">event</span><span class="p">;</span> </span><span id="L-34"><a name="L-34"></a> <span class="nx">stop</span> <span class="o">=</span> <span class="p">{</span> </span><span id="L-35"><a name="L-35"></a> <span class="nx">time</span><span class="o">:</span> <span class="p">(</span><span class="k">new</span> <span class="nb">Date</span><span class="p">).</span><span class="nx">getTime</span><span class="p">(),</span> </span><span id="L-36"><a name="L-36"></a> <span class="nx">coords</span><span class="o">:</span> <span class="p">[</span> <span class="nx">data</span><span class="p">.</span><span class="nx">pageX</span><span class="p">,</span> <span class="nx">data</span><span class="p">.</span><span class="nx">pageY</span> <span class="p">]</span> </span><span id="L-37"><a name="L-37"></a> <span class="p">};</span> </span><span id="L-38"><a name="L-38"></a> </span><span id="L-39"><a name="L-39"></a> <span class="c1">// prevent scrolling</span> </span><span id="L-40"><a name="L-40"></a> <span class="k">if</span> <span class="p">(</span><span class="nb">Math</span><span class="p">.</span><span class="nx">abs</span><span class="p">(</span><span class="nx">start</span><span class="p">.</span><span class="nx">coords</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">-</span> <span class="nx">stop</span><span class="p">.</span><span class="nx">coords</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span> <span class="o">&gt;</span> <span class="mi">10</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-41"><a name="L-41"></a> <span class="nx">event</span><span class="p">.</span><span class="nx">preventDefault</span><span class="p">();</span> </span><span id="L-42"><a name="L-42"></a> <span class="p">}</span> </span><span id="L-43"><a name="L-43"></a> <span class="p">}</span> </span><span id="L-44"><a name="L-44"></a> </span><span id="L-45"><a name="L-45"></a> <span class="nx">$this</span> </span><span id="L-46"><a name="L-46"></a> <span class="p">.</span><span class="nx">bind</span><span class="p">(</span><span class="nx">touchMoveEvent</span><span class="p">,</span> <span class="nx">moveHandler</span><span class="p">)</span> </span><span id="L-47"><a name="L-47"></a> <span class="p">.</span><span class="nx">one</span><span class="p">(</span><span class="nx">touchStopEvent</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">event</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-48"><a name="L-48"></a> <span class="nx">$this</span><span class="p">.</span><span class="nx">unbind</span><span class="p">(</span><span class="nx">touchMoveEvent</span><span class="p">,</span> <span class="nx">moveHandler</span><span class="p">);</span> </span><span id="L-49"><a name="L-49"></a> <span class="k">if</span> <span class="p">(</span><span class="nx">start</span> <span class="o">&amp;&amp;</span> <span class="nx">stop</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-50"><a name="L-50"></a> <span class="k">if</span> <span class="p">(</span><span class="nx">stop</span><span class="p">.</span><span class="nx">time</span> <span class="o">-</span> <span class="nx">start</span><span class="p">.</span><span class="nx">time</span> <span class="o">&lt;</span> <span class="mi">1000</span> <span class="o">&amp;&amp;</span> </span><span id="L-51"><a name="L-51"></a> <span class="nb">Math</span><span class="p">.</span><span class="nx">abs</span><span class="p">(</span><span class="nx">start</span><span class="p">.</span><span class="nx">coords</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">-</span> <span class="nx">stop</span><span class="p">.</span><span class="nx">coords</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span> <span class="o">&gt;</span> <span class="mi">30</span> <span class="o">&amp;&amp;</span> </span><span id="L-52"><a name="L-52"></a> <span class="nb">Math</span><span class="p">.</span><span class="nx">abs</span><span class="p">(</span><span class="nx">start</span><span class="p">.</span><span class="nx">coords</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">-</span> <span class="nx">stop</span><span class="p">.</span><span class="nx">coords</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span> <span class="o">&lt;</span> <span class="mi">75</span><span class="p">)</span> <span class="p">{</span> </span><span id="L-53"><a name="L-53"></a> <span class="nx">start</span><span class="p">.</span><span class="nx">origin</span> </span><span id="L-54"><a name="L-54"></a> <span class="p">.</span><span class="nx">trigger</span><span class="p">(</span><span class="s2">&quot;swipeupdown&quot;</span><span class="p">)</span> </span><span id="L-55"><a name="L-55"></a> <span class="p">.</span><span class="nx">trigger</span><span class="p">(</span><span class="nx">start</span><span class="p">.</span><span class="nx">coords</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">&gt;</span> <span class="nx">stop</span><span class="p">.</span><span class="nx">coords</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">?</span> <span class="s2">&quot;swipeup&quot;</span> <span class="o">:</span> <span class="s2">&quot;swipedown&quot;</span><span class="p">);</span> </span><span id="L-56"><a name="L-56"></a> <span class="p">}</span> </span><span id="L-57"><a name="L-57"></a> <span class="p">}</span> </span><span id="L-58"><a name="L-58"></a> <span class="nx">start</span> <span class="o">=</span> <span class="nx">stop</span> <span class="o">=</span> <span class="kc">undefined</span><span class="p">;</span> </span><span id="L-59"><a name="L-59"></a> <span class="p">});</span> </span><span id="L-60"><a name="L-60"></a> <span class="p">});</span> </span><span id="L-61"><a name="L-61"></a> <span class="p">}</span> </span><span id="L-62"><a name="L-62"></a> <span class="p">};</span> </span><span id="L-63"><a name="L-63"></a> </span><span id="L-64"><a name="L-64"></a><span class="c1">//Adds the events to the jQuery events special collection</span> </span><span id="L-65"><a name="L-65"></a> <span class="nx">$</span><span class="p">.</span><span class="nx">each</span><span class="p">({</span> </span><span id="L-66"><a name="L-66"></a> <span class="nx">swipedown</span><span class="o">:</span> <span class="s2">&quot;swipeupdown&quot;</span><span class="p">,</span> </span><span id="L-67"><a name="L-67"></a> <span class="nx">swipeup</span><span class="o">:</span> <span class="s2">&quot;swipeupdown&quot;</span> </span><span id="L-68"><a name="L-68"></a> <span class="p">},</span> <span class="kd">function</span><span class="p">(</span><span class="nx">event</span><span class="p">,</span> <span class="nx">sourceEvent</span><span class="p">){</span> </span><span id="L-69"><a name="L-69"></a> <span class="nx">$</span><span class="p">.</span><span class="nx">event</span><span class="p">.</span><span class="nx">special</span><span class="p">[</span><span class="nx">event</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span> </span><span id="L-70"><a name="L-70"></a> <span class="nx">setup</span><span class="o">:</span> <span class="kd">function</span><span class="p">(){</span> </span><span id="L-71"><a name="L-71"></a> <span class="nx">$</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">bind</span><span class="p">(</span><span class="nx">sourceEvent</span><span class="p">,</span> <span class="nx">$</span><span class="p">.</span><span class="nx">noop</span><span class="p">);</span> </span><span id="L-72"><a name="L-72"></a> <span class="p">}</span> </span><span id="L-73"><a name="L-73"></a> <span class="p">};</span> </span><span id="L-74"><a name="L-74"></a> <span class="p">});</span> </span><span id="L-75"><a name="L-75"></a> </span><span id="L-76"><a name="L-76"></a> <span class="p">})();</span> </span></pre></div> </td></tr></table>
"jquery mobile", 1.0a2, events, swipe