зеркало из https://github.com/mozilla/gecko-dev.git
109 строки
2.7 KiB
JavaScript
109 строки
2.7 KiB
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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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* nsPreferences - a wrapper around nsIPrefService. Provides built in
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* exception handling to make preferences access simpler.
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**/
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var nsPreferences = {
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get mPrefService()
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{
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return Components.classes["@mozilla.org/preferences-service;1"]
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.getService(Components.interfaces.nsIPrefBranch);
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},
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setBoolPref: function (aPrefName, aPrefValue)
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{
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try
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{
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this.mPrefService.setBoolPref(aPrefName, aPrefValue);
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}
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catch(e)
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{
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}
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},
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getBoolPref: function (aPrefName, aDefVal)
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{
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try
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{
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return this.mPrefService.getBoolPref(aPrefName);
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}
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catch(e)
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{
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return aDefVal != undefined ? aDefVal : null;
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}
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return null; // quiet warnings
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},
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setUnicharPref: function (aPrefName, aPrefValue)
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{
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try
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{
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var str = Components.classes["@mozilla.org/supports-string;1"]
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.createInstance(Components.interfaces.nsISupportsString);
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str.data = aPrefValue;
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this.mPrefService.setComplexValue(aPrefName,
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Components.interfaces.nsISupportsString, str);
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}
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catch(e)
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{
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}
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},
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copyUnicharPref: function (aPrefName, aDefVal)
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{
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try
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{
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return this.mPrefService.getComplexValue(aPrefName,
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Components.interfaces.nsISupportsString).data;
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}
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catch(e)
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{
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return aDefVal != undefined ? aDefVal : null;
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}
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return null; // quiet warnings
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},
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setIntPref: function (aPrefName, aPrefValue)
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{
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try
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{
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this.mPrefService.setIntPref(aPrefName, aPrefValue);
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}
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catch(e)
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{
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}
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},
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getIntPref: function (aPrefName, aDefVal)
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{
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try
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{
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return this.mPrefService.getIntPref(aPrefName);
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}
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catch(e)
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{
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return aDefVal != undefined ? aDefVal : null;
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}
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return null; // quiet warnings
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},
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getLocalizedUnicharPref: function (aPrefName, aDefVal)
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{
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try
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{
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return this.mPrefService.getComplexValue(aPrefName,
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Components.interfaces.nsIPrefLocalizedString).data;
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}
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catch(e)
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{
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return aDefVal != undefined ? aDefVal : null;
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}
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return null; // quiet warnings
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}
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};
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