michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: let pendingEmulatorCmdCount = 0;
michael@0: 
michael@0: SpecialPowers.addPermission("nfc-manager", true, document);
michael@0: 
michael@0: /**
michael@0:  * Emulator helper.
michael@0:  */
michael@0: let emulator = (function() {
michael@0:   let pendingCmdCount = 0;
michael@0:   let originalRunEmulatorCmd = runEmulatorCmd;
michael@0: 
michael@0:   // Overwritten it so people could not call this function directly.
michael@0:   runEmulatorCmd = function() {
michael@0:     throw "Use emulator.run(cmd, callback) instead of runEmulatorCmd";
michael@0:   };
michael@0: 
michael@0:   function run(cmd, callback) {
michael@0:     pendingCmdCount++;
michael@0:     originalRunEmulatorCmd(cmd, function(result) {
michael@0:       pendingCmdCount--;
michael@0:       if (callback && typeof callback === "function") {
michael@0:         callback(result);
michael@0:       }
michael@0:     });
michael@0:   }
michael@0: 
michael@0:   return {
michael@0:     run: run
michael@0:   };
michael@0: }());
michael@0: 
michael@0: function toggleNFC(enabled, callback) {
michael@0:   isnot(callback, null);
michael@0: 
michael@0:   let nfc = window.navigator.mozNfc;
michael@0:   let req;
michael@0:   if (enabled) {
michael@0:     req = nfc.startPoll();
michael@0:   } else {
michael@0:     req = nfc.powerOff();
michael@0:   }
michael@0: 
michael@0:   req.onsuccess = function() {
michael@0:     callback();
michael@0:   };
michael@0: 
michael@0:   req.onerror = function() {
michael@0:     ok(false, 'operation failed, error ' + req.error.name);
michael@0:     finish();
michael@0:   };
michael@0: }
michael@0: 
michael@0: function cleanUp() {
michael@0:   log('Cleaning up');
michael@0:   waitFor(function() {
michael@0:             SpecialPowers.removePermission("nfc-manager", document);
michael@0:             finish()
michael@0:           },
michael@0:           function() {
michael@0:             return pendingEmulatorCmdCount === 0;
michael@0:           });
michael@0: }
michael@0: 
michael@0: function runNextTest() {
michael@0:   let test = tests.shift();
michael@0:   if (!test) {
michael@0:     cleanUp();
michael@0:     return;
michael@0:   }
michael@0:   test();
michael@0: }
michael@0: 
michael@0: // run this function to start tests
michael@0: function runTests() {
michael@0:   if ('mozNfc' in window.navigator) {
michael@0:     runNextTest();
michael@0:   } else {
michael@0:     // succeed immediately on systems without NFC
michael@0:     log('Skipping test on system without NFC');
michael@0:     ok(true, 'Skipping test on system without NFC');
michael@0:     finish();
michael@0:   }
michael@0: }