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Check visibility state in algorithms that fire events #140

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Feb 14, 2024
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Check visibility state in algorithms that fire events #140

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4 changes: 3 additions & 1 deletion index.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -373,13 +373,14 @@ Note: Implementations must take [[#automation]] into account to determine whethe
<div algorithm="deviceorientation firing steps">
Whenever a <a>significant change in orientation</a> occurs, the user agent must execute the following steps on a <a for="/">navigable</a>'s <a for="navigable">active window</a> <var>window</var>:

1. Let <var>document</var> be <var>window</var>'s <a>associated Document</a>.
1. If <var>document</var>'s <a>visibility state</a> is not "<code>visible</code>", return.
1. If the implementation cannot provide <a>relative orientation</a> or the resulting <a>absolute orientation</a> data is more accurate:
1. Let <var>absolute</var> be true.
1. Let <var>policies</var> be « "<a data-lt="accelerometer-feature"><code>accelerometer</code></a>", "<a data-lt="gyroscope-feature"><code>gyroscope</code></a>", "<a data-lt="magnetometer-feature"><code>magnetometer</code></a>" ».
1. Otherwise:
1. Let <var>absolute</var> be false.
1. Let <var>policies</var> be « "<a data-lt="accelerometer-feature"><code>accelerometer</code></a>", "<a data-lt="gyroscope-feature"><code>gyroscope</code></a>" ».
1. Let <var>document</var> be <var>window</var>'s <a>associated Document</a>.
1. <a for="list">For each</a> <var>policy</var> of <var>policies</var>:
1. If <var>document</var> is not <a>allowed to use</a> the <a>policy-controlled feature</a> named <var>policy</var>, return.
1. Invoke <a>fire an orientation event</a> with <a event for="Window"><code>deviceorientation</code></a>, <var>window</var>, and <var>absolute</var>.
Expand Down Expand Up @@ -558,6 +559,7 @@ The <dfn method for="DeviceMotionEvent">requestPermission()</dfn> method steps a
At an <a>implementation-defined</a> interval <var>interval</var>, the user agent must execute the following steps on a <a for="/">navigable</a>'s <a for="navigable">active window</a> <var>window</var>:

1. Let <var>document</var> be <var>window</var>'s <a>associated Document</a>.
1. If <var>document</var>'s <a>visibility state</a> is not "<code>visible</code>", return.
1. <a for="list">For each</a> <var>policy</var> of « "<a data-lt="accelerometer-feature"><code>accelerometer</code></a>", "<a data-lt="gyroscope-feature"><code>gyroscope</code></a>" »:
1. If <var>document</var> is not <a>allowed to use</a> the <a>policy-controlled feature</a> named <var>policy</var>, return.
1. Let <var>topLevelTraversable</var> be <var>window</var>'s <a for=Window>navigable</a>'s <a for=navigable>top-level traversable</a>.
Expand Down
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