mirror of
https://github.com/status-im/whispervis.git
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19 lines
534 B
Go
19 lines
534 B
Go
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package main
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import (
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"fmt"
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"github.com/gopherjs/gopherjs/js"
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"github.com/gopherjs/vecty"
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)
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// VisibilityListener implements listener for visibilitychange events.
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// We use it to pause animation when the page is hidden, because WebGL
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// animation is pretty CPU expensive.
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// See https://developer.mozilla.org/en-US/docs/Web/API/Page_Visibility_API for details.
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func (p *Page) VisibilityListener(e *vecty.Event) {
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document := js.Global.Get("document")
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hidden := document.Get("hidden")
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fmt.Println("Page is hidden:", hidden)
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}
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