crossbrowdy
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A Multimedia JavaScript framework to create real cross-platform and hybrid game engines, games, emulators, multimedia libraries and apps.
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<h1 class="page-title">Namespace: Proximity</h1>
<section>
<header>
<h2>
<span class="ancestors"><a href="CB_Device.html">CB_Device</a>.</span>
Proximity
</h2>
</header>
<article>
<div class="container-overview">
<div class="description"><p>Static class to manage the device's proximity sensor. It will return itself if it is tried to be instantiated.</p></div>
<dl class="details">
<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
<dd class="tag-source">
<ul class="dummy">
<li>
<a href="CrossBase_device_CB_Device.js.html">CrossBase/device/CB_Device.js</a>,
<a href="CrossBase_device_CB_Device.js.html#sunlight-1-line-1181">line 1181</a>
</li>
</ul>
</dd>
<dt class="tag-todo method-doc-label method-doc-details-label">To Do:</dt>
<dd class="tag-todo">
<ul>
<li>Normalize more differences between web clients.</li>
</ul>
</dd>
</dl>
</div>
<h3 class="subsection-title">Methods</h3>
<dl>
<hr>
<dt>
<h4 class="name" id=".isSupported"><span class="type-signature"><static> </span>isSupported<span class="signature">()</span><span class="type-signature"> → {boolean}</span></h4>
</dt>
<dd>
<div class="description">
<p>Tells whether the <a href="https://w3.org/TR/proximity/">Proximity Sensor API</a> or the Proximity Sensor Events as <a href="https://developer.mozilla.org/en-US/docs/Web/API/Ambient_Light_Events">"ondeviceproximity"</a> or <a href="https://developer.mozilla.org/en-US/docs/Web/API/UserProximityEvent">"onuserproximity"</a> are supported or not.</p>
</div>
<dl class="details">
<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
<dd class="tag-source">
<ul class="dummy">
<li>
<a href="CrossBase_device_CB_Device.js.html">CrossBase/device/CB_Device.js</a>,
<a href="CrossBase_device_CB_Device.js.html#sunlight-1-line-1188">line 1188</a>
</li>
</ul>
</dd>
</dl>
<h5>Returns:</h5>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">boolean</span>
</dd>
</dl>
</dd>
<hr>
<dt>
<h4 class="name" id=".normalizeEvent"><span class="type-signature"><static> </span>normalizeEvent<span class="signature">(e, eventName [, sensor])</span><span class="type-signature"> → {Event}</span></h4>
</dt>
<dd>
<div class="description">
<p>Normalizes the data gotten from the the <a href="https://w3.org/TR/proximity/">Proximity Sensor API</a> or the Proximity Sensor Events as <a href="https://developer.mozilla.org/en-US/docs/Web/API/Window/ondeviceproximity">"ondeviceproximity"</a> or <a href="https://developer.mozilla.org/en-US/docs/Web/API/UserProximityEvent">"onuserproximity"</a> to try to match the <a href="https://w3.org/TR/proximity/">Proximity Sensor API</a> and follow always the same rules as much as possible.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th style="width:12%; min-width:110px;">Name</th>
<th style="width:12%; min-width:110px;">Type</th>
<th style="width:12%; min-width:110px;">Argument</th>
<th class="last" style="min-width:310px;">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;"><code>e</code></td>
<td class="type" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
<span class="param-type">Event</span>
</td>
<td class="attributes" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
</td>
<td class="description last" style="min-width:310px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;"><p>The event object that we want to normalize.</p></td>
</tr>
<tr>
<td class="name" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;"><code>eventName</code></td>
<td class="type" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
<span class="param-type">'change'</span>
|
<span class="param-type">'reading'</span>
|
<span class="param-type">'deviceproximity'</span>
|
<span class="param-type">'userproximity'</span>
</td>
<td class="attributes" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
</td>
<td class="description last" style="min-width:310px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;"><p>The name of the event that we want to normalize. Case sensitive.</p></td>
</tr>
<tr>
<td class="name" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;"><code>sensor</code></td>
<td class="type" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
<span class="param-type">ProximitySensor</span>
</td>
<td class="attributes" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
<optional><br>
</td>
<td class="description last" style="min-width:310px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;"><p><a href="https://w3.org/TR/proximity/#proximity-sensor-interface">ProximitySensor</a> object used by the <a href="https://w3.org/TR/proximity/">Proximity Sensor API</a>.</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
<dd class="tag-source">
<ul class="dummy">
<li>
<a href="CrossBase_device_CB_Device.js.html">CrossBase/device/CB_Device.js</a>,
<a href="CrossBase_device_CB_Device.js.html#sunlight-1-line-1269">line 1269</a>
</li>
</ul>
</dd>
<dt class="tag-todo method-doc-label method-doc-details-label">To Do:</dt>
<dd class="tag-todo">
<ul>
<li>Normalize more differences between web clients.</li>
</ul>
</dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>Returns the given event object again but normalized (if possible).</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Event</span>
</dd>
</dl>
</dd>
<hr>
<dt>
<h4 class="name" id=".onChange"><span class="type-signature"><static> </span>onChange<span class="signature">(eventFunction [, detectNear] [, keepOldFunction] [, useCapture] [, callbackError])</span><span class="type-signature"> → {undefined|false}</span></h4>
</dt>
<dd>
<div class="description">
<p>Sets the event to get the proximity or removes it. Uses the <a href="https://w3.org/TR/proximity/">Proximity Sensor API</a> or the Proximity Sensor Events as <a href="https://developer.mozilla.org/en-US/docs/Web/API/Window/ondeviceproximity">"ondeviceproximity"</a> or <a href="https://developer.mozilla.org/en-US/docs/Web/API/UserProximityEvent">"onuserproximity"</a>.<br>
<br/><br>
The given "eventFunction" will receive the event object as the first parameter but this event object will vary depending on the way to get the proximity which is supported by the client (if any) and the "detectNear" parameter. It will use the following logic order:<br>
<br /><br>
If "detectNear" is not set to true, <a href="https://w3.org/TR/proximity/">Proximity Sensor API</a> is used as the first option (if available) and "event.value" will contain the units in centimeters (depending on the implementation, "event.near" will also be present, containing a boolean depending on whether an object is near or not).<br>
<br /><br>
If "detectNear" is not set to true, <a href="https://developer.mozilla.org/en-US/docs/Web/API/Window/ondeviceproximity">Proximity Sensor Events ("ondeviceproximity")</a> is used as the second option (if available) and "event.value" will contain the units in centimeters.<br>
<br /><br>
If "detectNear" is set to true, <a href="https://developer.mozilla.org/en-US/docs/Web/API/UserProximityEvent">"onuserproximity" event</a> is the unique option used (if available) and "event.near" will be a boolean which tell us whether something is near or not.</p>
</div>
<h5>Parameters:</h5>
<table class="params table table-striped">
<thead>
<tr>
<th style="width:12%; min-width:110px;">Name</th>
<th style="width:12%; min-width:110px;">Type</th>
<th style="width:12%; min-width:110px;">Argument</th>
<th style="width:12%; min-width:110px;">Default</th>
<th class="last" style="min-width:310px;">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;"><code>eventFunction</code></td>
<td class="type" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
<span class="param-type">function</span>
|
<span class="param-type">null</span>
</td>
<td class="attributes" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
</td>
<td class="default" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
</td>
<td class="description last" style="min-width:310px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;"><p>The function that will be called when the event is fired. The event object received will already be normalized by the <a href="CB_Device.Proximity.html#.normalizeEvent"><code>CB_Device.Proximity.normalizeEvent</code></a> function automatically. Despite of this, due to the big differences between different clients, the event object received as the first parameter will vary depending on the way to get the proximity which is supported by the client (if any). If a null value is used, the event will be removed.</p></td>
</tr>
<tr>
<td class="name" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;"><code>detectNear</code></td>
<td class="type" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
<span class="param-type">boolean</span>
</td>
<td class="attributes" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
<optional><br>
</td>
<td class="default" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
false
</td>
<td class="description last" style="min-width:310px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;"><p>Defines whether we want to detect when a physical object is nearby. If it is set to true, it will use the <a href="https://developer.mozilla.org/en-US/docs/Web/API/UserProximityEvent">"onuserproximity" event</a>.</p></td>
</tr>
<tr>
<td class="name" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;"><code>keepOldFunction</code></td>
<td class="type" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
<span class="param-type">boolean</span>
</td>
<td class="attributes" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
<optional><br>
</td>
<td class="default" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
true
</td>
<td class="description last" style="min-width:310px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;"><p>Defines whether we want to keep any possible previous event listener or not.</p></td>
</tr>
<tr>
<td class="name" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;"><code>useCapture</code></td>
<td class="type" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
<span class="param-type">float</span>
</td>
<td class="attributes" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
<optional><br>
</td>
<td class="default" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
false
</td>
<td class="description last" style="min-width:310px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;"><p>Defines whether the event we want to add will use capture or not. This parameter will be effective only if the current client supports the <a href="https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener">addEventListener</a> method and will be used as its third parameter.</p></td>
</tr>
<tr>
<td class="name" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;"><code>callbackError</code></td>
<td class="type" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
<span class="param-type">function</span>
</td>
<td class="attributes" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
<optional><br>
</td>
<td class="default" style="width:12%; min-width:110px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;">
</td>
<td class="description last" style="min-width:310px; overflow-wrap:break-word; word-wrap:break-word; word-break:break-word; line-break:strict; hyphens:none; -webkit-hyphens:none; -moz-hyphens:none;"><p>Callback that will be called if there is any error getting the proximity. Only used by the <a href="https://w3.org/TR/proximity/">Proximity Sensor API</a> (if available).</p></td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source method-doc-label method-doc-details-label">Source:</dt>
<dd class="tag-source">
<ul class="dummy">
<li>
<a href="CrossBase_device_CB_Device.js.html">CrossBase/device/CB_Device.js</a>,
<a href="CrossBase_device_CB_Device.js.html#sunlight-1-line-1212">line 1212</a>
</li>
</ul>
</dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
<p>Returns false in the case that no way to get the proximity is available or undefined otherwise.</p>
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">undefined</span>
|
<span class="param-type">false</span>
</dd>
</dl>
</dd>
</dl>
</article>
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