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      1 /*
      2  * Copyright (C) 2013 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 com.android.incallui;
     18 
     19 import com.android.incallui.ConferenceManagerPresenter.ConferenceManagerUi;
     20 import com.android.incallui.InCallPresenter.InCallDetailsListener;
     21 import com.android.incallui.InCallPresenter.InCallState;
     22 import com.android.incallui.InCallPresenter.InCallStateListener;
     23 import com.android.incallui.InCallPresenter.IncomingCallListener;
     24 import com.android.incallui.baseui.Presenter;
     25 import com.android.incallui.baseui.Ui;
     26 import com.android.incallui.call.CallList;
     27 import com.android.incallui.call.DialerCall;
     28 import java.util.ArrayList;
     29 import java.util.List;
     30 
     31 /** Logic for call buttons. */
     32 public class ConferenceManagerPresenter extends Presenter<ConferenceManagerUi>
     33     implements InCallStateListener, InCallDetailsListener, IncomingCallListener {
     34 
     35   @Override
     36   public void onUiReady(ConferenceManagerUi ui) {
     37     super.onUiReady(ui);
     38 
     39     // register for call state changes last
     40     InCallPresenter.getInstance().addListener(this);
     41     InCallPresenter.getInstance().addIncomingCallListener(this);
     42   }
     43 
     44   @Override
     45   public void onUiUnready(ConferenceManagerUi ui) {
     46     super.onUiUnready(ui);
     47 
     48     InCallPresenter.getInstance().removeListener(this);
     49     InCallPresenter.getInstance().removeIncomingCallListener(this);
     50   }
     51 
     52   @Override
     53   public void onStateChange(InCallState oldState, InCallState newState, CallList callList) {
     54     if (getUi().isFragmentVisible()) {
     55       Log.v(this, "onStateChange" + newState);
     56       if (newState == InCallState.INCALL) {
     57         final DialerCall call = callList.getActiveOrBackgroundCall();
     58         if (call != null && call.isConferenceCall()) {
     59           Log.v(
     60               this, "Number of existing calls is " + String.valueOf(call.getChildCallIds().size()));
     61           update(callList);
     62         } else {
     63           InCallPresenter.getInstance().showConferenceCallManager(false);
     64         }
     65       } else {
     66         InCallPresenter.getInstance().showConferenceCallManager(false);
     67       }
     68     }
     69   }
     70 
     71   @Override
     72   public void onDetailsChanged(DialerCall call, android.telecom.Call.Details details) {
     73     boolean canDisconnect =
     74         details.can(android.telecom.Call.Details.CAPABILITY_DISCONNECT_FROM_CONFERENCE);
     75     boolean canSeparate =
     76         details.can(android.telecom.Call.Details.CAPABILITY_SEPARATE_FROM_CONFERENCE);
     77 
     78     if (call.can(android.telecom.Call.Details.CAPABILITY_DISCONNECT_FROM_CONFERENCE)
     79             != canDisconnect
     80         || call.can(android.telecom.Call.Details.CAPABILITY_SEPARATE_FROM_CONFERENCE)
     81             != canSeparate) {
     82       getUi().refreshCall(call);
     83     }
     84 
     85     if (!details.can(android.telecom.Call.Details.CAPABILITY_MANAGE_CONFERENCE)) {
     86       InCallPresenter.getInstance().showConferenceCallManager(false);
     87     }
     88   }
     89 
     90   @Override
     91   public void onIncomingCall(InCallState oldState, InCallState newState, DialerCall call) {
     92     // When incoming call exists, set conference ui invisible.
     93     if (getUi().isFragmentVisible()) {
     94       Log.d(this, "onIncomingCall()... Conference ui is showing, hide it.");
     95       InCallPresenter.getInstance().showConferenceCallManager(false);
     96     }
     97   }
     98 
     99   public void init(CallList callList) {
    100     update(callList);
    101   }
    102 
    103   /**
    104    * Updates the conference participant adapter.
    105    *
    106    * @param callList The callList.
    107    */
    108   private void update(CallList callList) {
    109     // callList is non null, but getActiveOrBackgroundCall() may return null
    110     final DialerCall currentCall = callList.getActiveOrBackgroundCall();
    111     if (currentCall == null) {
    112       return;
    113     }
    114 
    115     ArrayList<DialerCall> calls = new ArrayList<>(currentCall.getChildCallIds().size());
    116     for (String callerId : currentCall.getChildCallIds()) {
    117       calls.add(callList.getCallById(callerId));
    118     }
    119 
    120     Log.d(this, "Number of calls is " + String.valueOf(calls.size()));
    121 
    122     // Users can split out a call from the conference call if either the active call or the
    123     // holding call is empty. If both are filled, users can not split out another call.
    124     final boolean hasActiveCall = (callList.getActiveCall() != null);
    125     final boolean hasHoldingCall = (callList.getBackgroundCall() != null);
    126     boolean canSeparate = !(hasActiveCall && hasHoldingCall);
    127 
    128     getUi().update(calls, canSeparate);
    129   }
    130 
    131   public interface ConferenceManagerUi extends Ui {
    132 
    133     boolean isFragmentVisible();
    134 
    135     void update(List<DialerCall> participants, boolean parentCanSeparate);
    136 
    137     void refreshCall(DialerCall call);
    138   }
    139 }
    140