| /* |
| * Copyright (C) 2010 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.server.sip; |
| |
| import android.net.sip.ISipSession; |
| import android.net.sip.ISipSessionListener; |
| import android.net.sip.SipProfile; |
| import android.os.DeadObjectException; |
| import android.util.Log; |
| |
| /** Class to help safely run a callback in a different thread. */ |
| class SipSessionListenerProxy extends ISipSessionListener.Stub { |
| private static final String TAG = "SipSession"; |
| |
| private ISipSessionListener mListener; |
| |
| public void setListener(ISipSessionListener listener) { |
| mListener = listener; |
| } |
| |
| public ISipSessionListener getListener() { |
| return mListener; |
| } |
| |
| private void proxy(Runnable runnable) { |
| // One thread for each calling back. |
| // Note: Guarantee ordering if the issue becomes important. Currently, |
| // the chance of handling two callback events at a time is none. |
| new Thread(runnable, "SipSessionCallbackThread").start(); |
| } |
| |
| public void onCalling(final ISipSession session) { |
| if (mListener == null) return; |
| proxy(new Runnable() { |
| public void run() { |
| try { |
| mListener.onCalling(session); |
| } catch (Throwable t) { |
| handle(t, "onCalling()"); |
| } |
| } |
| }); |
| } |
| |
| public void onRinging(final ISipSession session, final SipProfile caller, |
| final String sessionDescription) { |
| if (mListener == null) return; |
| proxy(new Runnable() { |
| public void run() { |
| try { |
| mListener.onRinging(session, caller, sessionDescription); |
| } catch (Throwable t) { |
| handle(t, "onRinging()"); |
| } |
| } |
| }); |
| } |
| |
| public void onRingingBack(final ISipSession session) { |
| if (mListener == null) return; |
| proxy(new Runnable() { |
| public void run() { |
| try { |
| mListener.onRingingBack(session); |
| } catch (Throwable t) { |
| handle(t, "onRingingBack()"); |
| } |
| } |
| }); |
| } |
| |
| public void onCallEstablished(final ISipSession session, |
| final String sessionDescription) { |
| if (mListener == null) return; |
| proxy(new Runnable() { |
| public void run() { |
| try { |
| mListener.onCallEstablished(session, sessionDescription); |
| } catch (Throwable t) { |
| handle(t, "onCallEstablished()"); |
| } |
| } |
| }); |
| } |
| |
| public void onCallEnded(final ISipSession session) { |
| if (mListener == null) return; |
| proxy(new Runnable() { |
| public void run() { |
| try { |
| mListener.onCallEnded(session); |
| } catch (Throwable t) { |
| handle(t, "onCallEnded()"); |
| } |
| } |
| }); |
| } |
| |
| public void onCallTransferring(final ISipSession newSession, |
| final String sessionDescription) { |
| if (mListener == null) return; |
| proxy(new Runnable() { |
| public void run() { |
| try { |
| mListener.onCallTransferring(newSession, sessionDescription); |
| } catch (Throwable t) { |
| handle(t, "onCallTransferring()"); |
| } |
| } |
| }); |
| } |
| |
| public void onCallBusy(final ISipSession session) { |
| if (mListener == null) return; |
| proxy(new Runnable() { |
| public void run() { |
| try { |
| mListener.onCallBusy(session); |
| } catch (Throwable t) { |
| handle(t, "onCallBusy()"); |
| } |
| } |
| }); |
| } |
| |
| public void onCallChangeFailed(final ISipSession session, |
| final int errorCode, final String message) { |
| if (mListener == null) return; |
| proxy(new Runnable() { |
| public void run() { |
| try { |
| mListener.onCallChangeFailed(session, errorCode, message); |
| } catch (Throwable t) { |
| handle(t, "onCallChangeFailed()"); |
| } |
| } |
| }); |
| } |
| |
| public void onError(final ISipSession session, final int errorCode, |
| final String message) { |
| if (mListener == null) return; |
| proxy(new Runnable() { |
| public void run() { |
| try { |
| mListener.onError(session, errorCode, message); |
| } catch (Throwable t) { |
| handle(t, "onError()"); |
| } |
| } |
| }); |
| } |
| |
| public void onRegistering(final ISipSession session) { |
| if (mListener == null) return; |
| proxy(new Runnable() { |
| public void run() { |
| try { |
| mListener.onRegistering(session); |
| } catch (Throwable t) { |
| handle(t, "onRegistering()"); |
| } |
| } |
| }); |
| } |
| |
| public void onRegistrationDone(final ISipSession session, |
| final int duration) { |
| if (mListener == null) return; |
| proxy(new Runnable() { |
| public void run() { |
| try { |
| mListener.onRegistrationDone(session, duration); |
| } catch (Throwable t) { |
| handle(t, "onRegistrationDone()"); |
| } |
| } |
| }); |
| } |
| |
| public void onRegistrationFailed(final ISipSession session, |
| final int errorCode, final String message) { |
| if (mListener == null) return; |
| proxy(new Runnable() { |
| public void run() { |
| try { |
| mListener.onRegistrationFailed(session, errorCode, message); |
| } catch (Throwable t) { |
| handle(t, "onRegistrationFailed()"); |
| } |
| } |
| }); |
| } |
| |
| public void onRegistrationTimeout(final ISipSession session) { |
| if (mListener == null) return; |
| proxy(new Runnable() { |
| public void run() { |
| try { |
| mListener.onRegistrationTimeout(session); |
| } catch (Throwable t) { |
| handle(t, "onRegistrationTimeout()"); |
| } |
| } |
| }); |
| } |
| |
| private void handle(Throwable t, String message) { |
| if (t instanceof DeadObjectException) { |
| mListener = null; |
| // This creates race but it's harmless. Just don't log the error |
| // when it happens. |
| } else if (mListener != null) { |
| Log.w(TAG, message, t); |
| } |
| } |
| } |