forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			19 lines
		
	
	
	
		
			634 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			19 lines
		
	
	
	
		
			634 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /* This Source Code Form is subject to the terms of the Mozilla Public
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|  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
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|  * You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 
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| var prefVisibility = new Map();
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| 
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| /* Use for preferences that should only be visible when they've been modified.
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|    When reset to their default state, they remain visible until restarting the
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|    application. */
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| 
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| export var TransientPrefs = {
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|   prefShouldBeVisible(prefName) {
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|     if (Services.prefs.prefHasUserValue(prefName)) {
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|       prefVisibility.set(prefName, true);
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|     }
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| 
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|     return !!prefVisibility.get(prefName);
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|   },
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| };
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