Dart Documentation › chrome.system › ChromeSystemMemory

ChromeSystemMemory class

The chrome.system.memory API.

class ChromeSystemMemory extends ChromeApi {
 static final JsObject _system_memory = chrome['system']['memory'];

 ChromeSystemMemory._();

 bool get available => _system_memory != null;

 /**
  * Get physical memory information.
  */
 Future<MemoryInfo> getInfo() {
   if (_system_memory == null) _throwNotAvailable();

   var completer = new ChromeCompleter<MemoryInfo>.oneArg(_createMemoryInfo);
   _system_memory.callMethod('getInfo', [completer.callback]);
   return completer.future;
 }

 void _throwNotAvailable() {
   throw new UnsupportedError("'chrome.system.memory' is not available");
 }
}

Extends

ChromeApi > ChromeSystemMemory

Properties

final bool available #

Returns true if the API is available. The common causes of an API not being avilable are:

  • a permission is missing in the application's manifest.json file
  • the API is defined on a newer version of Chrome then the current runtime
docs inherited from ChromeApi 
bool get available => _system_memory != null;

Methods

Future<MemoryInfo> getInfo() #

Get physical memory information.

Future<MemoryInfo> getInfo() {
 if (_system_memory == null) _throwNotAvailable();

 var completer = new ChromeCompleter<MemoryInfo>.oneArg(_createMemoryInfo);
 _system_memory.callMethod('getInfo', [completer.callback]);
 return completer.future;
}