Eric Laurent | 2035ac8 | 2015-03-05 15:18:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.hardware.radio; |
| 18 | |
Tomasz Wasilczyk | d44b2ea | 2017-03-08 10:01:04 -0800 | [diff] [blame] | 19 | import android.annotation.NonNull; |
| 20 | import android.annotation.Nullable; |
Eric Laurent | 2035ac8 | 2015-03-05 15:18:44 -0800 | [diff] [blame] | 21 | import android.annotation.SystemApi; |
| 22 | import android.content.Context; |
| 23 | import android.content.Intent; |
| 24 | import android.os.Handler; |
| 25 | import android.os.Looper; |
| 26 | import android.os.Message; |
| 27 | import java.lang.ref.WeakReference; |
Tomasz Wasilczyk | d44b2ea | 2017-03-08 10:01:04 -0800 | [diff] [blame] | 28 | import java.util.List; |
Eric Laurent | 2035ac8 | 2015-03-05 15:18:44 -0800 | [diff] [blame] | 29 | import java.util.UUID; |
| 30 | |
| 31 | /** |
| 32 | * A RadioModule implements the RadioTuner interface for a broadcast radio tuner physically |
| 33 | * present on the device and exposed by the radio HAL. |
| 34 | * |
| 35 | * @hide |
| 36 | */ |
| 37 | public class RadioModule extends RadioTuner { |
| 38 | private long mNativeContext = 0; |
| 39 | private int mId; |
| 40 | private NativeEventHandlerDelegate mEventHandlerDelegate; |
| 41 | |
| 42 | RadioModule(int moduleId, RadioManager.BandConfig config, boolean withAudio, |
| 43 | RadioTuner.Callback callback, Handler handler) { |
| 44 | mId = moduleId; |
| 45 | mEventHandlerDelegate = new NativeEventHandlerDelegate(callback, handler); |
| 46 | native_setup(new WeakReference<RadioModule>(this), config, withAudio); |
| 47 | } |
| 48 | private native void native_setup(Object module_this, |
| 49 | RadioManager.BandConfig config, boolean withAudio); |
| 50 | |
| 51 | @Override |
| 52 | protected void finalize() { |
| 53 | native_finalize(); |
| 54 | } |
| 55 | private native void native_finalize(); |
| 56 | |
| 57 | boolean initCheck() { |
| 58 | return mNativeContext != 0; |
| 59 | } |
| 60 | |
| 61 | // RadioTuner implementation |
| 62 | public native void close(); |
| 63 | |
| 64 | public native int setConfiguration(RadioManager.BandConfig config); |
| 65 | |
| 66 | public native int getConfiguration(RadioManager.BandConfig[] config); |
| 67 | |
| 68 | public native int setMute(boolean mute); |
| 69 | |
| 70 | public native boolean getMute(); |
| 71 | |
| 72 | public native int step(int direction, boolean skipSubChannel); |
| 73 | |
| 74 | public native int scan(int direction, boolean skipSubChannel); |
| 75 | |
| 76 | public native int tune(int channel, int subChannel); |
| 77 | |
| 78 | public native int cancel(); |
| 79 | |
| 80 | public native int getProgramInformation(RadioManager.ProgramInfo[] info); |
| 81 | |
Tomasz Wasilczyk | e597ce1 | 2017-03-24 13:50:53 -0700 | [diff] [blame] | 82 | public native boolean startBackgroundScan(); |
| 83 | |
Tomasz Wasilczyk | d44b2ea | 2017-03-08 10:01:04 -0800 | [diff] [blame] | 84 | public native @NonNull List<RadioManager.ProgramInfo> getProgramList(@Nullable String filter); |
| 85 | |
Tomasz Wasilczyk | 5f0fbae | 2017-03-27 14:27:44 -0700 | [diff] [blame] | 86 | public native boolean isAnalogForced(); |
| 87 | |
| 88 | public native void setAnalogForced(boolean isForced); |
| 89 | |
Eric Laurent | 2035ac8 | 2015-03-05 15:18:44 -0800 | [diff] [blame] | 90 | public native boolean isAntennaConnected(); |
| 91 | |
| 92 | public native boolean hasControl(); |
| 93 | |
| 94 | |
| 95 | /* keep in sync with radio_event_type_t in system/core/include/system/radio.h */ |
| 96 | static final int EVENT_HW_FAILURE = 0; |
| 97 | static final int EVENT_CONFIG = 1; |
| 98 | static final int EVENT_ANTENNA = 2; |
| 99 | static final int EVENT_TUNED = 3; |
| 100 | static final int EVENT_METADATA = 4; |
| 101 | static final int EVENT_TA = 5; |
| 102 | static final int EVENT_AF_SWITCH = 6; |
Sanket Agarwal | 7058e4c | 2015-10-08 14:14:20 -0700 | [diff] [blame] | 103 | static final int EVENT_EA = 7; |
Eric Laurent | 2035ac8 | 2015-03-05 15:18:44 -0800 | [diff] [blame] | 104 | static final int EVENT_CONTROL = 100; |
| 105 | static final int EVENT_SERVER_DIED = 101; |
| 106 | |
| 107 | private class NativeEventHandlerDelegate { |
| 108 | private final Handler mHandler; |
| 109 | |
| 110 | NativeEventHandlerDelegate(final RadioTuner.Callback callback, |
| 111 | Handler handler) { |
| 112 | // find the looper for our new event handler |
| 113 | Looper looper; |
| 114 | if (handler != null) { |
| 115 | looper = handler.getLooper(); |
| 116 | } else { |
| 117 | looper = Looper.getMainLooper(); |
| 118 | } |
| 119 | |
| 120 | // construct the event handler with this looper |
| 121 | if (looper != null) { |
| 122 | // implement the event handler delegate |
| 123 | mHandler = new Handler(looper) { |
| 124 | @Override |
| 125 | public void handleMessage(Message msg) { |
| 126 | switch (msg.what) { |
| 127 | case EVENT_HW_FAILURE: |
| 128 | if (callback != null) { |
| 129 | callback.onError(RadioTuner.ERROR_HARDWARE_FAILURE); |
| 130 | } |
| 131 | break; |
| 132 | case EVENT_CONFIG: { |
| 133 | RadioManager.BandConfig config = (RadioManager.BandConfig)msg.obj; |
| 134 | switch(msg.arg1) { |
| 135 | case RadioManager.STATUS_OK: |
| 136 | if (callback != null) { |
| 137 | callback.onConfigurationChanged(config); |
| 138 | } |
| 139 | break; |
| 140 | default: |
| 141 | if (callback != null) { |
| 142 | callback.onError(RadioTuner.ERROR_CONFIG); |
| 143 | } |
| 144 | break; |
| 145 | } |
| 146 | } break; |
| 147 | case EVENT_ANTENNA: |
| 148 | if (callback != null) { |
| 149 | callback.onAntennaState(msg.arg2 == 1); |
| 150 | } |
| 151 | break; |
| 152 | case EVENT_AF_SWITCH: |
| 153 | case EVENT_TUNED: { |
| 154 | RadioManager.ProgramInfo info = (RadioManager.ProgramInfo)msg.obj; |
| 155 | switch (msg.arg1) { |
| 156 | case RadioManager.STATUS_OK: |
| 157 | if (callback != null) { |
| 158 | callback.onProgramInfoChanged(info); |
| 159 | } |
| 160 | break; |
| 161 | case RadioManager.STATUS_TIMED_OUT: |
| 162 | if (callback != null) { |
| 163 | callback.onError(RadioTuner.ERROR_SCAN_TIMEOUT); |
| 164 | } |
| 165 | break; |
| 166 | case RadioManager.STATUS_INVALID_OPERATION: |
| 167 | default: |
| 168 | if (callback != null) { |
| 169 | callback.onError(RadioTuner.ERROR_CANCELLED); |
| 170 | } |
| 171 | break; |
| 172 | } |
| 173 | } break; |
| 174 | case EVENT_METADATA: { |
| 175 | RadioMetadata metadata = (RadioMetadata)msg.obj; |
| 176 | if (callback != null) { |
| 177 | callback.onMetadataChanged(metadata); |
| 178 | } |
| 179 | } break; |
| 180 | case EVENT_TA: |
| 181 | if (callback != null) { |
| 182 | callback.onTrafficAnnouncement(msg.arg2 == 1); |
| 183 | } |
| 184 | break; |
Sanket Agarwal | 7058e4c | 2015-10-08 14:14:20 -0700 | [diff] [blame] | 185 | case EVENT_EA: |
| 186 | if (callback != null) { |
| 187 | callback.onEmergencyAnnouncement(msg.arg2 == 1); |
| 188 | } |
Eric Laurent | 2035ac8 | 2015-03-05 15:18:44 -0800 | [diff] [blame] | 189 | case EVENT_CONTROL: |
| 190 | if (callback != null) { |
| 191 | callback.onControlChanged(msg.arg2 == 1); |
| 192 | } |
| 193 | break; |
| 194 | case EVENT_SERVER_DIED: |
| 195 | if (callback != null) { |
| 196 | callback.onError(RadioTuner.ERROR_SERVER_DIED); |
| 197 | } |
| 198 | break; |
| 199 | default: |
| 200 | // Should not happen |
| 201 | break; |
| 202 | } |
| 203 | } |
| 204 | }; |
| 205 | } else { |
| 206 | mHandler = null; |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | Handler handler() { |
| 211 | return mHandler; |
| 212 | } |
| 213 | } |
| 214 | |
| 215 | |
| 216 | @SuppressWarnings("unused") |
| 217 | private static void postEventFromNative(Object module_ref, |
| 218 | int what, int arg1, int arg2, Object obj) { |
| 219 | RadioModule module = (RadioModule)((WeakReference)module_ref).get(); |
| 220 | if (module == null) { |
| 221 | return; |
| 222 | } |
| 223 | |
| 224 | NativeEventHandlerDelegate delegate = module.mEventHandlerDelegate; |
| 225 | if (delegate != null) { |
| 226 | Handler handler = delegate.handler(); |
| 227 | if (handler != null) { |
| 228 | Message m = handler.obtainMessage(what, arg1, arg2, obj); |
| 229 | handler.sendMessage(m); |
| 230 | } |
| 231 | } |
| 232 | } |
| 233 | } |
| 234 | |