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 native_app_glue
  25
  26 # Handle to an Android vibrator
  27 extern class Vibrator in "Java" `{ android.os.Vibrator `}
  28         super JavaObject
  29         redef type SELF: Vibrator
  30
  31         # Vibrate for `n` miliseconds
  32         fun vibrate(n: Int) in "Java" `{ recv.vibrate(n); `}
  33
  34         # Does this devices has a vibrator
  35         #
  36         # TODO activate in API 11
  37         #fun exists: Bool in "Java" `{ return recv.hasVibrator(); `}
  38
  39         # Turn off the vibration
  40         fun cancel in "Java" `{ recv.cancel(); `}
  41
  42         # HACK for bug #845
  43         redef fun new_global_ref import sys, Sys.jni_env `{
  44                 Sys sys = Vibrator_sys(recv);
  45                 JNIEnv *env = Sys_jni_env(sys);
  46                 return (*env)->NewGlobalRef(env, recv);
  47         `}
  48 end
  49
  50 redef class App
  51         # Get the handle to this device vibrator as a global ref
  52         fun vibrator: Vibrator is cached do
  53                 var v = vibrator_native(native_activity)
  54                 return v.new_global_ref
  55         end
  56         private fun vibrator_native(context: NativeActivity): Vibrator in "Java" `{
  57                 android.os.Vibrator v = (android.os.Vibrator)
  58                         context.getSystemService(android.content.Context.VIBRATOR_SERVICE);
  59                 return v;
  60         `}
  61 end