| /* |
| * Copyright (C) 2006 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.phone; |
| |
| import android.app.ActivityManager; |
| import android.app.AppOpsManager; |
| import android.content.ActivityNotFoundException; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.net.ConnectivityManager; |
| import android.net.Uri; |
| import android.os.AsyncResult; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.os.Process; |
| import android.os.ServiceManager; |
| import android.os.UserHandle; |
| import android.telephony.NeighboringCellInfo; |
| import android.telephony.CellInfo; |
| import android.telephony.ServiceState; |
| import android.text.TextUtils; |
| import android.util.Log; |
| |
| import com.android.internal.telephony.DefaultPhoneNotifier; |
| import com.android.internal.telephony.IccCard; |
| import com.android.internal.telephony.ITelephony; |
| import com.android.internal.telephony.Phone; |
| import com.android.internal.telephony.CallManager; |
| import com.android.internal.telephony.PhoneConstants; |
| |
| import java.util.List; |
| import java.util.ArrayList; |
| |
| /** |
| * Implementation of the ITelephony interface. |
| */ |
| public class PhoneInterfaceManager extends ITelephony.Stub { |
| private static final String LOG_TAG = "PhoneInterfaceManager"; |
| private static final boolean DBG = (PhoneGlobals.DBG_LEVEL >= 2); |
| private static final boolean DBG_LOC = false; |
| |
| // Message codes used with mMainThreadHandler |
| private static final int CMD_HANDLE_PIN_MMI = 1; |
| private static final int CMD_HANDLE_NEIGHBORING_CELL = 2; |
| private static final int EVENT_NEIGHBORING_CELL_DONE = 3; |
| private static final int CMD_ANSWER_RINGING_CALL = 4; |
| private static final int CMD_END_CALL = 5; // not used yet |
| private static final int CMD_SILENCE_RINGER = 6; |
| |
| /** The singleton instance. */ |
| private static PhoneInterfaceManager sInstance; |
| |
| PhoneGlobals mApp; |
| Phone mPhone; |
| CallManager mCM; |
| AppOpsManager mAppOps; |
| MainThreadHandler mMainThreadHandler; |
| |
| /** |
| * A request object for use with {@link MainThreadHandler}. Requesters should wait() on the |
| * request after sending. The main thread will notify the request when it is complete. |
| */ |
| private static final class MainThreadRequest { |
| /** The argument to use for the request */ |
| public Object argument; |
| /** The result of the request that is run on the main thread */ |
| public Object result; |
| |
| public MainThreadRequest(Object argument) { |
| this.argument = argument; |
| } |
| } |
| |
| /** |
| * A handler that processes messages on the main thread in the phone process. Since many |
| * of the Phone calls are not thread safe this is needed to shuttle the requests from the |
| * inbound binder threads to the main thread in the phone process. The Binder thread |
| * may provide a {@link MainThreadRequest} object in the msg.obj field that they are waiting |
| * on, which will be notified when the operation completes and will contain the result of the |
| * request. |
| * |
| * <p>If a MainThreadRequest object is provided in the msg.obj field, |
| * note that request.result must be set to something non-null for the calling thread to |
| * unblock. |
| */ |
| private final class MainThreadHandler extends Handler { |
| @Override |
| public void handleMessage(Message msg) { |
| MainThreadRequest request; |
| Message onCompleted; |
| AsyncResult ar; |
| |
| switch (msg.what) { |
| case CMD_HANDLE_PIN_MMI: |
| request = (MainThreadRequest) msg.obj; |
| request.result = Boolean.valueOf( |
| mPhone.handlePinMmi((String) request.argument)); |
| // Wake up the requesting thread |
| synchronized (request) { |
| request.notifyAll(); |
| } |
| break; |
| |
| case CMD_HANDLE_NEIGHBORING_CELL: |
| request = (MainThreadRequest) msg.obj; |
| onCompleted = obtainMessage(EVENT_NEIGHBORING_CELL_DONE, |
| request); |
| mPhone.getNeighboringCids(onCompleted); |
| break; |
| |
| case EVENT_NEIGHBORING_CELL_DONE: |
| ar = (AsyncResult) msg.obj; |
| request = (MainThreadRequest) ar.userObj; |
| if (ar.exception == null && ar.result != null) { |
| request.result = ar.result; |
| } else { |
| // create an empty list to notify the waiting thread |
| request.result = new ArrayList<NeighboringCellInfo>(); |
| } |
| // Wake up the requesting thread |
| synchronized (request) { |
| request.notifyAll(); |
| } |
| break; |
| |
| case CMD_ANSWER_RINGING_CALL: |
| answerRingingCallInternal(); |
| break; |
| |
| case CMD_SILENCE_RINGER: |
| silenceRingerInternal(); |
| break; |
| |
| case CMD_END_CALL: |
| request = (MainThreadRequest) msg.obj; |
| boolean hungUp = false; |
| int phoneType = mPhone.getPhoneType(); |
| if (phoneType == PhoneConstants.PHONE_TYPE_CDMA) { |
| // CDMA: If the user presses the Power button we treat it as |
| // ending the complete call session |
| hungUp = PhoneUtils.hangupRingingAndActive(mPhone); |
| } else if (phoneType == PhoneConstants.PHONE_TYPE_GSM) { |
| // GSM: End the call as per the Phone state |
| hungUp = PhoneUtils.hangup(mCM); |
| } else { |
| throw new IllegalStateException("Unexpected phone type: " + phoneType); |
| } |
| if (DBG) log("CMD_END_CALL: " + (hungUp ? "hung up!" : "no call to hang up")); |
| request.result = hungUp; |
| // Wake up the requesting thread |
| synchronized (request) { |
| request.notifyAll(); |
| } |
| break; |
| |
| default: |
| Log.w(LOG_TAG, "MainThreadHandler: unexpected message code: " + msg.what); |
| break; |
| } |
| } |
| } |
| |
| /** |
| * Posts the specified command to be executed on the main thread, |
| * waits for the request to complete, and returns the result. |
| * @see #sendRequestAsync |
| */ |
| private Object sendRequest(int command, Object argument) { |
| if (Looper.myLooper() == mMainThreadHandler.getLooper()) { |
| throw new RuntimeException("This method will deadlock if called from the main thread."); |
| } |
| |
| MainThreadRequest request = new MainThreadRequest(argument); |
| Message msg = mMainThreadHandler.obtainMessage(command, request); |
| msg.sendToTarget(); |
| |
| // Wait for the request to complete |
| synchronized (request) { |
| while (request.result == null) { |
| try { |
| request.wait(); |
| } catch (InterruptedException e) { |
| // Do nothing, go back and wait until the request is complete |
| } |
| } |
| } |
| return request.result; |
| } |
| |
| /** |
| * Asynchronous ("fire and forget") version of sendRequest(): |
| * Posts the specified command to be executed on the main thread, and |
| * returns immediately. |
| * @see #sendRequest |
| */ |
| private void sendRequestAsync(int command) { |
| mMainThreadHandler.sendEmptyMessage(command); |
| } |
| |
| /** |
| * Initialize the singleton PhoneInterfaceManager instance. |
| * This is only done once, at startup, from PhoneApp.onCreate(). |
| */ |
| /* package */ static PhoneInterfaceManager init(PhoneGlobals app, Phone phone) { |
| synchronized (PhoneInterfaceManager.class) { |
| if (sInstance == null) { |
| sInstance = new PhoneInterfaceManager(app, phone); |
| } else { |
| Log.wtf(LOG_TAG, "init() called multiple times! sInstance = " + sInstance); |
| } |
| return sInstance; |
| } |
| } |
| |
| /** Private constructor; @see init() */ |
| private PhoneInterfaceManager(PhoneGlobals app, Phone phone) { |
| mApp = app; |
| mPhone = phone; |
| mCM = PhoneGlobals.getInstance().mCM; |
| mAppOps = (AppOpsManager)app.getSystemService(Context.APP_OPS_SERVICE); |
| mMainThreadHandler = new MainThreadHandler(); |
| publish(); |
| } |
| |
| private void publish() { |
| if (DBG) log("publish: " + this); |
| |
| ServiceManager.addService("phone", this); |
| } |
| |
| // |
| // Implementation of the ITelephony interface. |
| // |
| |
| public void dial(String number) { |
| if (DBG) log("dial: " + number); |
| // No permission check needed here: This is just a wrapper around the |
| // ACTION_DIAL intent, which is available to any app since it puts up |
| // the UI before it does anything. |
| |
| String url = createTelUrl(number); |
| if (url == null) { |
| return; |
| } |
| |
| // PENDING: should we just silently fail if phone is offhook or ringing? |
| PhoneConstants.State state = mCM.getState(); |
| if (state != PhoneConstants.State.OFFHOOK && state != PhoneConstants.State.RINGING) { |
| Intent intent = new Intent(Intent.ACTION_DIAL, Uri.parse(url)); |
| intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| mApp.startActivity(intent); |
| } |
| } |
| |
| public void call(String callingPackage, String number) { |
| if (DBG) log("call: " + number); |
| |
| // This is just a wrapper around the ACTION_CALL intent, but we still |
| // need to do a permission check since we're calling startActivity() |
| // from the context of the phone app. |
| enforceCallPermission(); |
| |
| if (mAppOps.noteOp(AppOpsManager.OP_CALL_PHONE, Binder.getCallingUid(), callingPackage) |
| != AppOpsManager.MODE_ALLOWED) { |
| return; |
| } |
| |
| String url = createTelUrl(number); |
| if (url == null) { |
| return; |
| } |
| |
| Intent intent = new Intent(Intent.ACTION_CALL, Uri.parse(url)); |
| intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| mApp.startActivity(intent); |
| } |
| |
| private boolean showCallScreenInternal(boolean specifyInitialDialpadState, |
| boolean initialDialpadState) { |
| if (!PhoneGlobals.sVoiceCapable) { |
| // Never allow the InCallScreen to appear on data-only devices. |
| return false; |
| } |
| if (isIdle()) { |
| return false; |
| } |
| // If the phone isn't idle then go to the in-call screen |
| long callingId = Binder.clearCallingIdentity(); |
| try { |
| Intent intent; |
| if (specifyInitialDialpadState) { |
| intent = PhoneGlobals.createInCallIntent(initialDialpadState); |
| } else { |
| intent = PhoneGlobals.createInCallIntent(); |
| } |
| try { |
| mApp.startActivity(intent); |
| } catch (ActivityNotFoundException e) { |
| // It's possible that the in-call UI might not exist |
| // (like on non-voice-capable devices), although we |
| // shouldn't be trying to bring up the InCallScreen on |
| // devices like that in the first place! |
| Log.w(LOG_TAG, "showCallScreenInternal: " |
| + "transition to InCallScreen failed; intent = " + intent); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(callingId); |
| } |
| return true; |
| } |
| |
| // Show the in-call screen without specifying the initial dialpad state. |
| public boolean showCallScreen() { |
| return showCallScreenInternal(false, false); |
| } |
| |
| // The variation of showCallScreen() that specifies the initial dialpad state. |
| // (Ideally this would be called showCallScreen() too, just with a different |
| // signature, but AIDL doesn't allow that.) |
| public boolean showCallScreenWithDialpad(boolean showDialpad) { |
| return showCallScreenInternal(true, showDialpad); |
| } |
| |
| /** |
| * End a call based on call state |
| * @return true is a call was ended |
| */ |
| public boolean endCall() { |
| enforceCallPermission(); |
| return (Boolean) sendRequest(CMD_END_CALL, null); |
| } |
| |
| public void answerRingingCall() { |
| if (DBG) log("answerRingingCall..."); |
| // TODO: there should eventually be a separate "ANSWER_PHONE" permission, |
| // but that can probably wait till the big TelephonyManager API overhaul. |
| // For now, protect this call with the MODIFY_PHONE_STATE permission. |
| enforceModifyPermission(); |
| sendRequestAsync(CMD_ANSWER_RINGING_CALL); |
| } |
| |
| /** |
| * Make the actual telephony calls to implement answerRingingCall(). |
| * This should only be called from the main thread of the Phone app. |
| * @see #answerRingingCall |
| * |
| * TODO: it would be nice to return true if we answered the call, or |
| * false if there wasn't actually a ringing incoming call, or some |
| * other error occurred. (In other words, pass back the return value |
| * from PhoneUtils.answerCall() or PhoneUtils.answerAndEndActive().) |
| * But that would require calling this method via sendRequest() rather |
| * than sendRequestAsync(), and right now we don't actually *need* that |
| * return value, so let's just return void for now. |
| */ |
| private void answerRingingCallInternal() { |
| final boolean hasRingingCall = !mPhone.getRingingCall().isIdle(); |
| if (hasRingingCall) { |
| final boolean hasActiveCall = !mPhone.getForegroundCall().isIdle(); |
| final boolean hasHoldingCall = !mPhone.getBackgroundCall().isIdle(); |
| if (hasActiveCall && hasHoldingCall) { |
| // Both lines are in use! |
| // TODO: provide a flag to let the caller specify what |
| // policy to use if both lines are in use. (The current |
| // behavior is hardwired to "answer incoming, end ongoing", |
| // which is how the CALL button is specced to behave.) |
| PhoneUtils.answerAndEndActive(mCM, mCM.getFirstActiveRingingCall()); |
| return; |
| } else { |
| // answerCall() will automatically hold the current active |
| // call, if there is one. |
| PhoneUtils.answerCall(mCM.getFirstActiveRingingCall()); |
| return; |
| } |
| } else { |
| // No call was ringing. |
| return; |
| } |
| } |
| |
| public void silenceRinger() { |
| if (DBG) log("silenceRinger..."); |
| // TODO: find a more appropriate permission to check here. |
| // (That can probably wait till the big TelephonyManager API overhaul. |
| // For now, protect this call with the MODIFY_PHONE_STATE permission.) |
| enforceModifyPermission(); |
| sendRequestAsync(CMD_SILENCE_RINGER); |
| } |
| |
| /** |
| * Internal implemenation of silenceRinger(). |
| * This should only be called from the main thread of the Phone app. |
| * @see #silenceRinger |
| */ |
| private void silenceRingerInternal() { |
| if ((mCM.getState() == PhoneConstants.State.RINGING) |
| && mApp.notifier.isRinging()) { |
| // Ringer is actually playing, so silence it. |
| if (DBG) log("silenceRingerInternal: silencing..."); |
| mApp.notifier.silenceRinger(); |
| } |
| } |
| |
| public boolean isOffhook() { |
| return (mCM.getState() == PhoneConstants.State.OFFHOOK); |
| } |
| |
| public boolean isRinging() { |
| return (mCM.getState() == PhoneConstants.State.RINGING); |
| } |
| |
| public boolean isIdle() { |
| return (mCM.getState() == PhoneConstants.State.IDLE); |
| } |
| |
| public boolean isSimPinEnabled() { |
| enforceReadPermission(); |
| return (PhoneGlobals.getInstance().isSimPinEnabled()); |
| } |
| |
| public boolean supplyPin(String pin) { |
| enforceModifyPermission(); |
| final UnlockSim checkSimPin = new UnlockSim(mPhone.getIccCard()); |
| checkSimPin.start(); |
| return checkSimPin.unlockSim(null, pin); |
| } |
| |
| public boolean supplyPuk(String puk, String pin) { |
| enforceModifyPermission(); |
| final UnlockSim checkSimPuk = new UnlockSim(mPhone.getIccCard()); |
| checkSimPuk.start(); |
| return checkSimPuk.unlockSim(puk, pin); |
| } |
| |
| /** |
| * Helper thread to turn async call to {@link SimCard#supplyPin} into |
| * a synchronous one. |
| */ |
| private static class UnlockSim extends Thread { |
| |
| private final IccCard mSimCard; |
| |
| private boolean mDone = false; |
| private boolean mResult = false; |
| |
| // For replies from SimCard interface |
| private Handler mHandler; |
| |
| // For async handler to identify request type |
| private static final int SUPPLY_PIN_COMPLETE = 100; |
| |
| public UnlockSim(IccCard simCard) { |
| mSimCard = simCard; |
| } |
| |
| @Override |
| public void run() { |
| Looper.prepare(); |
| synchronized (UnlockSim.this) { |
| mHandler = new Handler() { |
| @Override |
| public void handleMessage(Message msg) { |
| AsyncResult ar = (AsyncResult) msg.obj; |
| switch (msg.what) { |
| case SUPPLY_PIN_COMPLETE: |
| Log.d(LOG_TAG, "SUPPLY_PIN_COMPLETE"); |
| synchronized (UnlockSim.this) { |
| mResult = (ar.exception == null); |
| mDone = true; |
| UnlockSim.this.notifyAll(); |
| } |
| break; |
| } |
| } |
| }; |
| UnlockSim.this.notifyAll(); |
| } |
| Looper.loop(); |
| } |
| |
| /* |
| * Use PIN or PUK to unlock SIM card |
| * |
| * If PUK is null, unlock SIM card with PIN |
| * |
| * If PUK is not null, unlock SIM card with PUK and set PIN code |
| */ |
| synchronized boolean unlockSim(String puk, String pin) { |
| |
| while (mHandler == null) { |
| try { |
| wait(); |
| } catch (InterruptedException e) { |
| Thread.currentThread().interrupt(); |
| } |
| } |
| Message callback = Message.obtain(mHandler, SUPPLY_PIN_COMPLETE); |
| |
| if (puk == null) { |
| mSimCard.supplyPin(pin, callback); |
| } else { |
| mSimCard.supplyPuk(puk, pin, callback); |
| } |
| |
| while (!mDone) { |
| try { |
| Log.d(LOG_TAG, "wait for done"); |
| wait(); |
| } catch (InterruptedException e) { |
| // Restore the interrupted status |
| Thread.currentThread().interrupt(); |
| } |
| } |
| Log.d(LOG_TAG, "done"); |
| return mResult; |
| } |
| } |
| |
| public void updateServiceLocation() { |
| // No permission check needed here: this call is harmless, and it's |
| // needed for the ServiceState.requestStateUpdate() call (which is |
| // already intentionally exposed to 3rd parties.) |
| mPhone.updateServiceLocation(); |
| } |
| |
| public boolean isRadioOn() { |
| return mPhone.getServiceState().getVoiceRegState() != ServiceState.STATE_POWER_OFF; |
| } |
| |
| public void toggleRadioOnOff() { |
| enforceModifyPermission(); |
| mPhone.setRadioPower(!isRadioOn()); |
| } |
| public boolean setRadio(boolean turnOn) { |
| enforceModifyPermission(); |
| if ((mPhone.getServiceState().getVoiceRegState() != ServiceState.STATE_POWER_OFF) != turnOn) { |
| toggleRadioOnOff(); |
| } |
| return true; |
| } |
| |
| public boolean enableDataConnectivity() { |
| enforceModifyPermission(); |
| ConnectivityManager cm = |
| (ConnectivityManager)mApp.getSystemService(Context.CONNECTIVITY_SERVICE); |
| cm.setMobileDataEnabled(true); |
| return true; |
| } |
| |
| public int enableApnType(String type) { |
| enforceModifyPermission(); |
| return mPhone.enableApnType(type); |
| } |
| |
| public int disableApnType(String type) { |
| enforceModifyPermission(); |
| return mPhone.disableApnType(type); |
| } |
| |
| public boolean disableDataConnectivity() { |
| enforceModifyPermission(); |
| ConnectivityManager cm = |
| (ConnectivityManager)mApp.getSystemService(Context.CONNECTIVITY_SERVICE); |
| cm.setMobileDataEnabled(false); |
| return true; |
| } |
| |
| public boolean isDataConnectivityPossible() { |
| return mPhone.isDataConnectivityPossible(); |
| } |
| |
| public boolean handlePinMmi(String dialString) { |
| enforceModifyPermission(); |
| return (Boolean) sendRequest(CMD_HANDLE_PIN_MMI, dialString); |
| } |
| |
| public void cancelMissedCallsNotification() { |
| enforceModifyPermission(); |
| mApp.notificationMgr.cancelMissedCallNotification(); |
| } |
| |
| public int getCallState() { |
| return DefaultPhoneNotifier.convertCallState(mCM.getState()); |
| } |
| |
| public int getDataState() { |
| return DefaultPhoneNotifier.convertDataState(mPhone.getDataConnectionState()); |
| } |
| |
| public int getDataActivity() { |
| return DefaultPhoneNotifier.convertDataActivityState(mPhone.getDataActivityState()); |
| } |
| |
| @Override |
| public Bundle getCellLocation() { |
| try { |
| mApp.enforceCallingOrSelfPermission( |
| android.Manifest.permission.ACCESS_FINE_LOCATION, null); |
| } catch (SecurityException e) { |
| // If we have ACCESS_FINE_LOCATION permission, skip the check for ACCESS_COARSE_LOCATION |
| // A failure should throw the SecurityException from ACCESS_COARSE_LOCATION since this |
| // is the weaker precondition |
| mApp.enforceCallingOrSelfPermission( |
| android.Manifest.permission.ACCESS_COARSE_LOCATION, null); |
| } |
| |
| if (checkIfCallerIsSelfOrForegoundUser()) { |
| if (DBG_LOC) log("getCellLocation: is active user"); |
| Bundle data = new Bundle(); |
| mPhone.getCellLocation().fillInNotifierBundle(data); |
| return data; |
| } else { |
| if (DBG_LOC) log("getCellLocation: suppress non-active user"); |
| return null; |
| } |
| } |
| |
| @Override |
| public void enableLocationUpdates() { |
| mApp.enforceCallingOrSelfPermission( |
| android.Manifest.permission.CONTROL_LOCATION_UPDATES, null); |
| mPhone.enableLocationUpdates(); |
| } |
| |
| @Override |
| public void disableLocationUpdates() { |
| mApp.enforceCallingOrSelfPermission( |
| android.Manifest.permission.CONTROL_LOCATION_UPDATES, null); |
| mPhone.disableLocationUpdates(); |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public List<NeighboringCellInfo> getNeighboringCellInfo(String callingPackage) { |
| try { |
| mApp.enforceCallingOrSelfPermission( |
| android.Manifest.permission.ACCESS_FINE_LOCATION, null); |
| } catch (SecurityException e) { |
| // If we have ACCESS_FINE_LOCATION permission, skip the check |
| // for ACCESS_COARSE_LOCATION |
| // A failure should throw the SecurityException from |
| // ACCESS_COARSE_LOCATION since this is the weaker precondition |
| mApp.enforceCallingOrSelfPermission( |
| android.Manifest.permission.ACCESS_COARSE_LOCATION, null); |
| } |
| |
| if (mAppOps.noteOp(AppOpsManager.OP_NEIGHBORING_CELLS, Binder.getCallingUid(), |
| callingPackage) != AppOpsManager.MODE_ALLOWED) { |
| return null; |
| } |
| if (checkIfCallerIsSelfOrForegoundUser()) { |
| if (DBG_LOC) log("getNeighboringCellInfo: is active user"); |
| |
| ArrayList<NeighboringCellInfo> cells = null; |
| |
| try { |
| cells = (ArrayList<NeighboringCellInfo>) sendRequest( |
| CMD_HANDLE_NEIGHBORING_CELL, null); |
| } catch (RuntimeException e) { |
| Log.e(LOG_TAG, "getNeighboringCellInfo " + e); |
| } |
| return cells; |
| } else { |
| if (DBG_LOC) log("getNeighboringCellInfo: suppress non-active user"); |
| return null; |
| } |
| } |
| |
| |
| @Override |
| public List<CellInfo> getAllCellInfo() { |
| try { |
| mApp.enforceCallingOrSelfPermission( |
| android.Manifest.permission.ACCESS_FINE_LOCATION, null); |
| } catch (SecurityException e) { |
| // If we have ACCESS_FINE_LOCATION permission, skip the check for ACCESS_COARSE_LOCATION |
| // A failure should throw the SecurityException from ACCESS_COARSE_LOCATION since this |
| // is the weaker precondition |
| mApp.enforceCallingOrSelfPermission( |
| android.Manifest.permission.ACCESS_COARSE_LOCATION, null); |
| } |
| |
| if (checkIfCallerIsSelfOrForegoundUser()) { |
| if (DBG_LOC) log("getAllCellInfo: is active user"); |
| return mPhone.getAllCellInfo(); |
| } else { |
| if (DBG_LOC) log("getAllCellInfo: suppress non-active user"); |
| return null; |
| } |
| } |
| |
| // |
| // Internal helper methods. |
| // |
| |
| private boolean checkIfCallerIsSelfOrForegoundUser() { |
| boolean ok; |
| |
| boolean self = Binder.getCallingUid() == Process.myUid(); |
| if (!self) { |
| // Get the caller's user id then clear the calling identity |
| // which will be restored in the finally clause. |
| int callingUser = UserHandle.getCallingUserId(); |
| long ident = Binder.clearCallingIdentity(); |
| |
| try { |
| // With calling identity cleared the current user is the foreground user. |
| int foregroundUser = ActivityManager.getCurrentUser(); |
| ok = (foregroundUser == callingUser); |
| if (DBG_LOC) { |
| log("checkIfCallerIsSelfOrForegoundUser: foregroundUser=" + foregroundUser |
| + " callingUser=" + callingUser + " ok=" + ok); |
| } |
| } catch (Exception ex) { |
| if (DBG_LOC) loge("checkIfCallerIsSelfOrForegoundUser: Exception ex=" + ex); |
| ok = false; |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| } else { |
| if (DBG_LOC) log("checkIfCallerIsSelfOrForegoundUser: is self"); |
| ok = true; |
| } |
| if (DBG_LOC) log("checkIfCallerIsSelfOrForegoundUser: ret=" + ok); |
| return ok; |
| } |
| |
| /** |
| * Make sure the caller has the READ_PHONE_STATE permission. |
| * |
| * @throws SecurityException if the caller does not have the required permission |
| */ |
| private void enforceReadPermission() { |
| mApp.enforceCallingOrSelfPermission(android.Manifest.permission.READ_PHONE_STATE, null); |
| } |
| |
| /** |
| * Make sure the caller has the MODIFY_PHONE_STATE permission. |
| * |
| * @throws SecurityException if the caller does not have the required permission |
| */ |
| private void enforceModifyPermission() { |
| mApp.enforceCallingOrSelfPermission(android.Manifest.permission.MODIFY_PHONE_STATE, null); |
| } |
| |
| /** |
| * Make sure the caller has the CALL_PHONE permission. |
| * |
| * @throws SecurityException if the caller does not have the required permission |
| */ |
| private void enforceCallPermission() { |
| mApp.enforceCallingOrSelfPermission(android.Manifest.permission.CALL_PHONE, null); |
| } |
| |
| |
| private String createTelUrl(String number) { |
| if (TextUtils.isEmpty(number)) { |
| return null; |
| } |
| |
| StringBuilder buf = new StringBuilder("tel:"); |
| buf.append(number); |
| return buf.toString(); |
| } |
| |
| private void log(String msg) { |
| Log.d(LOG_TAG, "[PhoneIntfMgr] " + msg); |
| } |
| |
| private void loge(String msg) { |
| Log.e(LOG_TAG, "[PhoneIntfMgr] " + msg); |
| } |
| |
| public int getActivePhoneType() { |
| return mPhone.getPhoneType(); |
| } |
| |
| /** |
| * Returns the CDMA ERI icon index to display |
| */ |
| public int getCdmaEriIconIndex() { |
| return mPhone.getCdmaEriIconIndex(); |
| } |
| |
| /** |
| * Returns the CDMA ERI icon mode, |
| * 0 - ON |
| * 1 - FLASHING |
| */ |
| public int getCdmaEriIconMode() { |
| return mPhone.getCdmaEriIconMode(); |
| } |
| |
| /** |
| * Returns the CDMA ERI text, |
| */ |
| public String getCdmaEriText() { |
| return mPhone.getCdmaEriText(); |
| } |
| |
| /** |
| * Returns true if CDMA provisioning needs to run. |
| */ |
| public boolean needsOtaServiceProvisioning() { |
| return mPhone.needsOtaServiceProvisioning(); |
| } |
| |
| /** |
| * Returns the unread count of voicemails |
| */ |
| public int getVoiceMessageCount() { |
| return mPhone.getVoiceMessageCount(); |
| } |
| |
| /** |
| * Returns the data network type |
| * |
| * @Deprecated to be removed Q3 2013 use {@link #getDataNetworkType}. |
| */ |
| @Override |
| public int getNetworkType() { |
| return mPhone.getServiceState().getDataNetworkType(); |
| } |
| |
| /** |
| * Returns the data network type |
| */ |
| @Override |
| public int getDataNetworkType() { |
| return mPhone.getServiceState().getDataNetworkType(); |
| } |
| |
| /** |
| * Returns the data network type |
| */ |
| @Override |
| public int getVoiceNetworkType() { |
| return mPhone.getServiceState().getVoiceNetworkType(); |
| } |
| |
| /** |
| * @return true if a ICC card is present |
| */ |
| public boolean hasIccCard() { |
| return mPhone.getIccCard().hasIccCard(); |
| } |
| |
| /** |
| * Return if the current radio is LTE on CDMA. This |
| * is a tri-state return value as for a period of time |
| * the mode may be unknown. |
| * |
| * @return {@link Phone#LTE_ON_CDMA_UNKNOWN}, {@link Phone#LTE_ON_CDMA_FALSE} |
| * or {@link PHone#LTE_ON_CDMA_TRUE} |
| */ |
| public int getLteOnCdmaMode() { |
| return mPhone.getLteOnCdmaMode(); |
| } |
| } |
