1 files changed, 80 insertions, 0 deletions
diff --git a/apps/system/emergency-call/js/dialer.js b/apps/system/emergency-call/js/dialer.js
new file mode 100644
index 0000000..ff93009
--- /dev/null
+++ b/apps/system/emergency-call/js/dialer.js
@@ -0,0 +1,80 @@
+'use strict';
+
+var CallHandler = {
+  _call: null,
+  _telephony: window.navigator.mozTelephony,
+
+  call: function ch_call(number) {
+    var sanitizedNumber = number.replace(/-/g, '');
+    var telephony = this._telephony;
+    if (telephony) {
+      this._call = telephony.dialEmergency(sanitizedNumber);
+      var call = this._call;
+      if (call) {
+        var cb = function clearPhoneView() {
+          KeypadManager.updatePhoneNumber('');
+        };
+        call.onconnected = cb;
+
+        call.ondisconnected = function callEnded() {
+          cb();
+          CallScreen.hide();
+        };
+
+        CallScreen.number = call.number;
+        CallScreen.show();
+      }
+    }
+  },
+
+  end: function ch_end() {
+    if (!this._call) {
+      CallScreen.hide();
+      return;
+    }
+
+    this._call.hangUp();
+    this._call = null;
+  },
+
+  toggleSpeaker: function ch_toggleSpeaker() {
+    this._telephony.speakerEnabled = !this._telephony.speakerEnabled;
+  }
+};
+
+var CallScreen = {
+  screen: document.getElementById('call-screen'),
+  numberView: document.getElementById('emergency-number'),
+
+  hangUpButton: document.getElementById('callbar-hang-up'),
+  speakerButton: document.getElementById('speaker'),
+
+  set number(value) {
+    this.numberView.textContent = value;
+  },
+
+  init: function cs_init() {
+    this.hangUpButton.addEventListener('mouseup',
+                                       CallHandler.end.bind(CallHandler));
+    this.speakerButton.addEventListener('click', this.toggleSpeaker.bind(this));
+  },
+
+  show: function cs_show() {
+    this.screen.classList.add('displayed');
+  },
+
+  hide: function cs_hide() {
+    this.screen.classList.remove('displayed');
+  },
+
+  toggleSpeaker: function cs_toggleSpeaker() {
+    this.speakerButton.classList.toggle('speak');
+    CallHandler.toggleSpeaker();
+  }
+};
+
+window.addEventListener('load', function onload() {
+  window.removeEventListener('load', onload);
+  KeypadManager.init();
+  CallScreen.init();
+});