lib/android/vibration.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2014 Alexis Laferrière <alexis.laf@xymus.net>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 # Vibration services for Android
  18 #
  19 # Importing this module will trigger the use of the VIBRATE permission
  20 module vibration is
  21         android_manifest("""<uses-permission android:name="android.permission.VIBRATE" />""")
  22 end
  23
  24 import dalvik
  25
  26 # Handle to an Android vibrator
  27 extern class Vibrator in "Java" `{ android.os.Vibrator `}
  28         super JavaObject
  29
  30         # Vibrate for `n` miliseconds
  31         fun vibrate(n: Int) in "Java" `{ self.vibrate(n); `}
  32
  33         # Does this devices has a vibrator
  34         #
  35         # TODO activate in API 11
  36         #fun exists: Bool in "Java" `{ return self.hasVibrator(); `}
  37
  38         # Turn off the vibration
  39         fun cancel in "Java" `{ self.cancel(); `}
  40
  41         # HACK for bug #845
  42         redef fun new_global_ref import sys, Sys.jni_env `{
  43                 Sys sys = Vibrator_sys(self);
  44                 JNIEnv *env = Sys_jni_env(sys);
  45                 return (*env)->NewGlobalRef(env, self);
  46         `}
  47 end
  48
  49 redef class App
  50         # Get the handle to this device vibrator as a global ref
  51         var vibrator: Vibrator is lazy do
  52                 var v = vibrator_native(native_context)
  53                 return v.new_global_ref
  54         end
  55         private fun vibrator_native(context: NativeContext): Vibrator in "Java" `{
  56                 android.os.Vibrator v = (android.os.Vibrator)
  57                         context.getSystemService(android.content.Context.VIBRATOR_SERVICE);
  58                 return v;
  59         `}
  60 end