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<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"> <style>
.KEYW {color: #933;}
.COMM {color: #bbb; font-style: italic;}
.NUMB {color: #393;}
.STRN {color: #393;}
.REGX {color: #339;}
.line {border-right: 1px dotted #666; color: #666; font-style: normal;}
</style></head><body><pre><span class='line'> 1</span> <span class="COMM">/**
<span class='line'> 2</span> * Hilo
<span class='line'> 3</span> * Copyright 2015 alibaba.com
<span class='line'> 4</span> * Licensed under the MIT License
<span class='line'> 5</span> */</span><span class="WHIT">
<span class='line'> 6</span>
<span class='line'> 7</span> </span><span class="COMM">/**
<span class='line'> 8</span> * @class Ticker是一个定时器类。它可以按指定帧率重复运行，从而按计划执行代码。
<span class='line'> 9</span> * @param {Number} fps 指定定时器的运行帧率。
<span class='line'> 10</span> * @module hilo/util/Ticker
<span class='line'> 11</span> * @requires hilo/core/Class
<span class='line'> 12</span> * @requires hilo/core/Hilo
<span class='line'> 13</span> */</span><span class="WHIT">
<span class='line'> 14</span> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">Ticker</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Class.create</span><span class="PUNC">(</span><span class="COMM">/** @lends Ticker.prototype */</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 15</span> </span><span class="WHIT"> </span><span class="NAME">constructor</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">fps</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 16</span> </span><span class="WHIT"> </span><span class="NAME">this._targetFPS</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">fps</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NUMB">30</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 17</span> </span><span class="WHIT"> </span><span class="NAME">this._interval</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1000</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">this._targetFPS</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 18</span> </span><span class="WHIT"> </span><span class="NAME">this._tickers</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 19</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 20</span>
<span class='line'> 21</span> </span><span class="WHIT"> </span><span class="NAME">_paused</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 22</span> </span><span class="WHIT"> </span><span class="NAME">_targetFPS</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 23</span> </span><span class="WHIT"> </span><span class="NAME">_interval</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 24</span> </span><span class="WHIT"> </span><span class="NAME">_intervalId</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 25</span> </span><span class="WHIT"> </span><span class="NAME">_tickers</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 26</span> </span><span class="WHIT"> </span><span class="NAME">_lastTime</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 27</span> </span><span class="WHIT"> </span><span class="NAME">_tickCount</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 28</span> </span><span class="WHIT"> </span><span class="NAME">_tickTime</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 29</span> </span><span class="WHIT"> </span><span class="NAME">_measuredFPS</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 30</span>
<span class='line'> 31</span> </span><span class="WHIT"> </span><span class="COMM">/**
<span class='line'> 32</span> * 启动定时器。
<span class='line'> 33</span> * @param {Boolean} userRAF 是否使用requestAnimationFrame，默认为false。
<span class='line'> 34</span> */</span><span class="WHIT">
<span class='line'> 35</span> </span><span class="WHIT"> </span><span class="NAME">start</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">useRAF</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 36</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">this._intervalId</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 37</span> </span><span class="WHIT"> </span><span class="NAME">this._lastTime</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Date</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 38</span>
<span class='line'> 39</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">self</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">interval</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this._interval</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 40</span> </span><span class="WHIT"> </span><span class="NAME">raf</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">window.requestAnimationFrame</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT">
<span class='line'> 41</span> </span><span class="WHIT"> </span><span class="NAME">window</span><span class="PUNC">[</span><span class="NAME">Hilo.browser.jsVendor</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="STRN">'RequestAnimationFrame'</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 42</span>
<span class='line'> 43</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">useRAF</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="NAME">raf</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 44</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">tick</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 45</span> </span><span class="WHIT"> </span><span class="NAME">self._tick</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 46</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 47</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">runLoop</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 48</span> </span><span class="WHIT"> </span><span class="NAME">self._intervalId</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">setTimeout</span><span class="PUNC">(</span><span class="NAME">runLoop</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">interval</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 49</span> </span><span class="WHIT"> </span><span class="NAME">raf</span><span class="PUNC">(</span><span class="NAME">tick</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 50</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 51</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="KEYW">else</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 52</span> </span><span class="WHIT"> </span><span class="NAME">runLoop</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 53</span> </span><span class="WHIT"> </span><span class="NAME">self._intervalId</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">setTimeout</span><span class="PUNC">(</span><span class="NAME">runLoop</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">interval</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 54</span> </span><span class="WHIT"> </span><span class="NAME">self._tick</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 55</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 56</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 57</span>
<span class='line'> 58</span> </span><span class="WHIT"> </span><span class="NAME">runLoop</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 59</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 60</span>
<span class='line'> 61</span> </span><span class="WHIT"> </span><span class="COMM">/**
<span class='line'> 62</span> * 停止定时器。
<span class='line'> 63</span> */</span><span class="WHIT">
<span class='line'> 64</span> </span><span class="WHIT"> </span><span class="NAME">stop</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 65</span> </span><span class="WHIT"> </span><span class="NAME">clearTimeout</span><span class="PUNC">(</span><span class="NAME">this._intervalId</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 66</span> </span><span class="WHIT"> </span><span class="NAME">this._intervalId</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">null</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 67</span> </span><span class="WHIT"> </span><span class="NAME">this._lastTime</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 68</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 69</span>
<span class='line'> 70</span> </span><span class="WHIT"> </span><span class="COMM">/**
<span class='line'> 71</span> * 暂停定时器。
<span class='line'> 72</span> */</span><span class="WHIT">
<span class='line'> 73</span> </span><span class="WHIT"> </span><span class="NAME">pause</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 74</span> </span><span class="WHIT"> </span><span class="NAME">this._paused</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">true</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 75</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 76</span>
<span class='line'> 77</span> </span><span class="WHIT"> </span><span class="COMM">/**
<span class='line'> 78</span> * 恢复定时器。
<span class='line'> 79</span> */</span><span class="WHIT">
<span class='line'> 80</span> </span><span class="WHIT"> </span><span class="NAME">resume</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 81</span> </span><span class="WHIT"> </span><span class="NAME">this._paused</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">false</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 82</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 83</span>
<span class='line'> 84</span> </span><span class="WHIT"> </span><span class="COMM">/**
<span class='line'> 85</span> * @private
<span class='line'> 86</span> */</span><span class="WHIT">
<span class='line'> 87</span> </span><span class="WHIT"> </span><span class="NAME">_tick</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 88</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">this._paused</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="KEYW">return</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 89</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">startTime</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Date</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 90</span> </span><span class="WHIT"> </span><span class="NAME">deltaTime</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">startTime</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">this._lastTime</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 91</span> </span><span class="WHIT"> </span><span class="NAME">tickers</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this._tickers</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 92</span>
<span class='line'> 93</span> </span><span class="WHIT"> </span><span class="COMM">//calculates the real fps</span><span class="WHIT">
<span class='line'> 94</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="PUNC">++</span><span class="NAME">this._tickCount</span><span class="WHIT"> </span><span class="PUNC">>=</span><span class="WHIT"> </span><span class="NAME">this._targetFPS</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 95</span> </span><span class="WHIT"> </span><span class="NAME">this._measuredFPS</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1000</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">this._tickTime</span><span class="WHIT"> </span><span class="PUNC">/</span><span class="WHIT"> </span><span class="NAME">this._tickCount</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="WHIT"> </span><span class="NUMB">0.5</span><span class="WHIT"> </span><span class="PUNC">>></span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 96</span> </span><span class="WHIT"> </span><span class="NAME">this._tickCount</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 97</span> </span><span class="WHIT"> </span><span class="NAME">this._tickTime</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 98</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="KEYW">else</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 99</span> </span><span class="WHIT"> </span><span class="NAME">this._tickTime</span><span class="WHIT"> </span><span class="PUNC">+</span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">startTime</span><span class="WHIT"> </span><span class="PUNC">-</span><span class="WHIT"> </span><span class="NAME">this._lastTime</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>100</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>101</span> </span><span class="WHIT"> </span><span class="NAME">this._lastTime</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">startTime</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>102</span>
<span class='line'>103</span> </span><span class="WHIT"> </span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">len</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">tickers.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">len</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>104</span> </span><span class="WHIT"> </span><span class="NAME">tickers</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">tick</span><span class="PUNC">(</span><span class="NAME">deltaTime</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>105</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>106</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>107</span>
<span class='line'>108</span> </span><span class="WHIT"> </span><span class="COMM">/**
<span class='line'>109</span> * 获得测定的运行时帧率。
<span class='line'>110</span> */</span><span class="WHIT">
<span class='line'>111</span> </span><span class="WHIT"> </span><span class="NAME">getMeasuredFPS</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>112</span> </span><span class="WHIT"> </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">this._measuredFPS</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>113</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>114</span>
<span class='line'>115</span> </span><span class="WHIT"> </span><span class="COMM">/**
<span class='line'>116</span> * 添加定时器对象。定时器对象必须实现 tick 方法。
<span class='line'>117</span> * @param {Object} tickObject 要添加的定时器对象。此对象必须包含 tick 方法。
<span class='line'>118</span> */</span><span class="WHIT">
<span class='line'>119</span> </span><span class="WHIT"> </span><span class="NAME">addTick</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">tickObject</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>120</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="PUNC">!</span><span class="NAME">tickObject</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="KEYW">typeof</span><span class="PUNC">(</span><span class="NAME">tickObject.tick</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">!=</span><span class="WHIT"> </span><span class="STRN">'function'</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>121</span> </span><span class="WHIT"> </span><span class="KEYW">throw</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Error</span><span class="PUNC">(</span><span class="STRN">'Ticker: The tick object must implement the tick method.'</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>122</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>123</span> </span><span class="WHIT"> </span><span class="NAME">this._tickers.push</span><span class="PUNC">(</span><span class="NAME">tickObject</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>124</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>125</span>
<span class='line'>126</span> </span><span class="WHIT"> </span><span class="COMM">/**
<span class='line'>127</span> * 删除定时器对象。
<span class='line'>128</span> * @param {Object} tickObject 要删除的定时器对象。
<span class='line'>129</span> */</span><span class="WHIT">
<span class='line'>130</span> </span><span class="WHIT"> </span><span class="NAME">removeTick</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">tickObject</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>131</span> </span><span class="WHIT"> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">tickers</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this._tickers</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'>132</span> </span><span class="WHIT"> </span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">tickers.indexOf</span><span class="PUNC">(</span><span class="NAME">tickObject</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>133</span> </span><span class="WHIT"> </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">index</span><span class="WHIT"> </span><span class="PUNC">>=</span><span class="WHIT"> </span><span class="NUMB">0</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>134</span> </span><span class="WHIT"> </span><span class="NAME">tickers.splice</span><span class="PUNC">(</span><span class="NAME">index</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>135</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>136</span> </span><span class="WHIT"> </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>137</span>
<span class='line'>138</span> </span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">;</span></pre></body></html>
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