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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 package org.chromium.device.bluetooth; | 5 package org.chromium.device.bluetooth; |
6 | 6 |
7 import android.Manifest; | 7 import android.Manifest; |
8 import android.annotation.TargetApi; | 8 import android.annotation.TargetApi; |
9 import android.bluetooth.BluetoothAdapter; | 9 import android.bluetooth.BluetoothAdapter; |
10 import android.bluetooth.le.ScanSettings; | 10 import android.bluetooth.le.ScanSettings; |
11 import android.content.BroadcastReceiver; | |
12 import android.content.Context; | |
13 import android.content.Intent; | |
14 import android.content.IntentFilter; | |
11 import android.os.Build; | 15 import android.os.Build; |
12 import android.os.ParcelUuid; | 16 import android.os.ParcelUuid; |
13 | 17 |
14 import org.chromium.base.Log; | 18 import org.chromium.base.Log; |
15 import org.chromium.base.annotations.CalledByNative; | 19 import org.chromium.base.annotations.CalledByNative; |
16 import org.chromium.base.annotations.JNINamespace; | 20 import org.chromium.base.annotations.JNINamespace; |
17 | 21 |
18 import java.util.List; | 22 import java.util.List; |
19 | 23 |
20 /** | 24 /** |
21 * Exposes android.bluetooth.BluetoothAdapter as necessary for C++ | 25 * Exposes android.bluetooth.BluetoothAdapter as necessary for C++ |
22 * device::BluetoothAdapterAndroid, which implements the cross platform | 26 * device::BluetoothAdapterAndroid, which implements the cross platform |
23 * device::BluetoothAdapter. | 27 * device::BluetoothAdapter. |
24 * | 28 * |
25 * Lifetime is controlled by device::BluetoothAdapterAndroid. | 29 * Lifetime is controlled by device::BluetoothAdapterAndroid. |
26 */ | 30 */ |
27 @JNINamespace("device") | 31 @JNINamespace("device") |
28 @TargetApi(Build.VERSION_CODES.LOLLIPOP) | 32 @TargetApi(Build.VERSION_CODES.LOLLIPOP) |
29 final class ChromeBluetoothAdapter { | 33 final class ChromeBluetoothAdapter extends BroadcastReceiver { |
30 private static final String TAG = "Bluetooth"; | 34 private static final String TAG = "Bluetooth"; |
31 | 35 |
32 private long mNativeBluetoothAdapterAndroid; | 36 private long mNativeBluetoothAdapterAndroid; |
33 private Wrappers.BluetoothAdapterWrapper mAdapter; | 37 private Wrappers.BluetoothAdapterWrapper mAdapter; |
34 private int mNumDiscoverySessions; | 38 private int mNumDiscoverySessions; |
35 private ScanCallback mScanCallback; | 39 private ScanCallback mScanCallback; |
36 | 40 |
37 // ------------------------------------------------------------------------- -------------------- | 41 // ------------------------------------------------------------------------- -------------------- |
38 // Construction and handler for C++ object destruction. | 42 // Construction and handler for C++ object destruction. |
39 | 43 |
40 /** | 44 /** |
41 * Constructs a ChromeBluetoothAdapter. | 45 * Constructs a ChromeBluetoothAdapter. |
42 * @param nativeBluetoothAdapterAndroid Is the associated C++ | 46 * @param nativeBluetoothAdapterAndroid Is the associated C++ |
43 * BluetoothAdapterAndroid pointer valu e. | 47 * BluetoothAdapterAndroid pointer valu e. |
44 * @param adapterWrapper Wraps the default android.bluetooth.BluetoothAdapte r, | 48 * @param adapterWrapper Wraps the default android.bluetooth.BluetoothAdapte r, |
45 * but may be either null if an adapter is not availab le | 49 * but may be either null if an adapter is not availab le |
46 * or a fake for testing. | 50 * or a fake for testing. |
47 */ | 51 */ |
48 public ChromeBluetoothAdapter( | 52 public ChromeBluetoothAdapter( |
49 long nativeBluetoothAdapterAndroid, Wrappers.BluetoothAdapterWrapper adapterWrapper) { | 53 long nativeBluetoothAdapterAndroid, Wrappers.BluetoothAdapterWrapper adapterWrapper) { |
50 mNativeBluetoothAdapterAndroid = nativeBluetoothAdapterAndroid; | 54 mNativeBluetoothAdapterAndroid = nativeBluetoothAdapterAndroid; |
51 mAdapter = adapterWrapper; | 55 mAdapter = adapterWrapper; |
56 registerBroadcastReceiver(); | |
52 if (adapterWrapper == null) { | 57 if (adapterWrapper == null) { |
53 Log.i(TAG, "ChromeBluetoothAdapter created with no adapterWrapper.") ; | 58 Log.i(TAG, "ChromeBluetoothAdapter created with no adapterWrapper.") ; |
54 } else { | 59 } else { |
55 Log.i(TAG, "ChromeBluetoothAdapter created with provided adapterWrap per."); | 60 Log.i(TAG, "ChromeBluetoothAdapter created with provided adapterWrap per."); |
56 } | 61 } |
57 } | 62 } |
58 | 63 |
59 /** | 64 /** |
60 * Handles C++ object being destroyed. | 65 * Handles C++ object being destroyed. |
61 */ | 66 */ |
62 @CalledByNative | 67 @CalledByNative |
63 private void onBluetoothAdapterAndroidDestruction() { | 68 private void onBluetoothAdapterAndroidDestruction() { |
64 stopScan(); | 69 stopScan(); |
65 mNativeBluetoothAdapterAndroid = 0; | 70 mNativeBluetoothAdapterAndroid = 0; |
71 unregisterBroadcastReceiver(); | |
66 } | 72 } |
67 | 73 |
68 // ------------------------------------------------------------------------- -------------------- | 74 // ------------------------------------------------------------------------- -------------------- |
69 // BluetoothAdapterAndroid methods implemented in java: | 75 // BluetoothAdapterAndroid methods implemented in java: |
70 | 76 |
71 // Implements BluetoothAdapterAndroid::Create. | 77 // Implements BluetoothAdapterAndroid::Create. |
72 // 'Object' type must be used for |adapterWrapper| because inner class | 78 // 'Object' type must be used for |adapterWrapper| because inner class |
73 // Wrappers.BluetoothAdapterWrapper reference is not handled by jni_generato r.py JavaToJni. | 79 // Wrappers.BluetoothAdapterWrapper reference is not handled by jni_generato r.py JavaToJni. |
74 // http://crbug.com/505554 | 80 // http://crbug.com/505554 |
75 @CalledByNative | 81 @CalledByNative |
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180 | 186 |
181 /** | 187 /** |
182 * @return true if Chromium has permission to scan for Bluetooth devices. | 188 * @return true if Chromium has permission to scan for Bluetooth devices. |
183 */ | 189 */ |
184 private boolean canScan() { | 190 private boolean canScan() { |
185 Wrappers.ContextWrapper context = mAdapter.getContext(); | 191 Wrappers.ContextWrapper context = mAdapter.getContext(); |
186 return context.checkPermission(Manifest.permission.ACCESS_COARSE_LOCATIO N) | 192 return context.checkPermission(Manifest.permission.ACCESS_COARSE_LOCATIO N) |
187 || context.checkPermission(Manifest.permission.ACCESS_FINE_LOCAT ION); | 193 || context.checkPermission(Manifest.permission.ACCESS_FINE_LOCAT ION); |
188 } | 194 } |
189 | 195 |
196 private void registerBroadcastReceiver() { | |
197 if (mAdapter != null) { | |
198 mAdapter.getContext().registerReceiver( | |
199 this, new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED )); | |
200 } | |
201 } | |
202 | |
203 private void unregisterBroadcastReceiver() { | |
204 if (mAdapter != null) { | |
205 mAdapter.getContext().unregisterReceiver(this); | |
206 } | |
207 } | |
208 | |
190 /** | 209 /** |
191 * Starts a Low Energy scan. | 210 * Starts a Low Energy scan. |
192 * @return True on success. | 211 * @return True on success. |
193 */ | 212 */ |
194 private boolean startScan() { | 213 private boolean startScan() { |
195 Wrappers.BluetoothLeScannerWrapper scanner = mAdapter.getBluetoothLeScan ner(); | 214 Wrappers.BluetoothLeScannerWrapper scanner = mAdapter.getBluetoothLeScan ner(); |
196 | 215 |
197 if (scanner == null) { | 216 if (scanner == null) { |
198 return false; | 217 return false; |
199 } | 218 } |
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268 } | 287 } |
269 | 288 |
270 @Override | 289 @Override |
271 public void onScanFailed(int errorCode) { | 290 public void onScanFailed(int errorCode) { |
272 Log.w(TAG, "onScanFailed: %d", errorCode); | 291 Log.w(TAG, "onScanFailed: %d", errorCode); |
273 nativeOnScanFailed(mNativeBluetoothAdapterAndroid); | 292 nativeOnScanFailed(mNativeBluetoothAdapterAndroid); |
274 mNumDiscoverySessions = 0; | 293 mNumDiscoverySessions = 0; |
275 } | 294 } |
276 } | 295 } |
277 | 296 |
297 @Override | |
298 public void onReceive(Context context, Intent intent) { | |
299 String action = intent.getAction(); | |
300 | |
301 if (isPresent() && BluetoothAdapter.ACTION_STATE_CHANGED.equals(action)) { | |
302 int state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, Bluetoo thAdapter.ERROR); | |
303 | |
304 Log.w(TAG, "BluetoothStateReceiver#onReceive action: %d", state); | |
scheib
2016/02/26 00:05:59
This string doesn't mean much to me, would it be m
perja
2016/02/26 10:51:04
Done.
| |
305 | |
306 switch (state) { | |
307 case BluetoothAdapter.STATE_ON: | |
308 nativeOnAdapterStateChanged(mNativeBluetoothAdapterAndroid, true); | |
309 break; | |
310 case BluetoothAdapter.STATE_OFF: | |
311 nativeOnAdapterStateChanged(mNativeBluetoothAdapterAndroid, false); | |
312 break; | |
313 default: | |
314 // do nothing | |
315 } | |
316 } | |
317 } | |
318 | |
278 // ------------------------------------------------------------------------- -------------------- | 319 // ------------------------------------------------------------------------- -------------------- |
279 // BluetoothAdapterAndroid C++ methods declared for access from java: | 320 // BluetoothAdapterAndroid C++ methods declared for access from java: |
280 | 321 |
281 // Binds to BluetoothAdapterAndroid::OnScanFailed. | 322 // Binds to BluetoothAdapterAndroid::OnScanFailed. |
282 private native void nativeOnScanFailed(long nativeBluetoothAdapterAndroid); | 323 private native void nativeOnScanFailed(long nativeBluetoothAdapterAndroid); |
283 | 324 |
284 // Binds to BluetoothAdapterAndroid::CreateOrUpdateDeviceOnScan. | 325 // Binds to BluetoothAdapterAndroid::CreateOrUpdateDeviceOnScan. |
285 // 'Object' type must be used for |bluetoothDeviceWrapper| because inner cla ss | 326 // 'Object' type must be used for |bluetoothDeviceWrapper| because inner cla ss |
286 // Wrappers.BluetoothDeviceWrapper reference is not handled by jni_generator .py JavaToJni. | 327 // Wrappers.BluetoothDeviceWrapper reference is not handled by jni_generator .py JavaToJni. |
287 // http://crbug.com/505554 | 328 // http://crbug.com/505554 |
288 private native void nativeCreateOrUpdateDeviceOnScan(long nativeBluetoothAda pterAndroid, | 329 private native void nativeCreateOrUpdateDeviceOnScan(long nativeBluetoothAda pterAndroid, |
289 String address, Object bluetoothDeviceWrapper, List<ParcelUuid> adve rtisedUuids); | 330 String address, Object bluetoothDeviceWrapper, List<ParcelUuid> adve rtisedUuids); |
331 | |
332 // Binds to BluetoothAdapterAndroid::nativeOnAdapterStateChanged | |
333 private native void nativeOnAdapterStateChanged( | |
334 long nativeBluetoothAdapterAndroid, boolean powered); | |
290 } | 335 } |
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