| /* |
| * Copyright (C) 2013 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.incallui; |
| |
| import com.android.incallui.service.PhoneNumberService; |
| import com.google.android.collect.Sets; |
| import com.google.common.base.Preconditions; |
| |
| import android.content.Context; |
| import android.content.Intent; |
| |
| import com.android.services.telephony.common.Call; |
| import com.android.services.telephony.common.Call.Capabilities; |
| import com.google.common.collect.Lists; |
| |
| import java.util.ArrayList; |
| import java.util.Set; |
| |
| /** |
| * Takes updates from the CallList and notifies the InCallActivity (UI) |
| * of the changes. |
| * Responsible for starting the activity for a new call and finishing the activity when all calls |
| * are disconnected. |
| * Creates and manages the in-call state and provides a listener pattern for the presenters |
| * that want to listen in on the in-call state changes. |
| * TODO: This class has become more of a state machine at this point. Consider renaming. |
| */ |
| public class InCallPresenter implements CallList.Listener { |
| |
| private static InCallPresenter sInCallPresenter; |
| |
| private final Set<InCallStateListener> mListeners = Sets.newHashSet(); |
| private final ArrayList<IncomingCallListener> mIncomingCallListeners = Lists.newArrayList(); |
| |
| private AudioModeProvider mAudioModeProvider; |
| private StatusBarNotifier mStatusBarNotifier; |
| private ContactInfoCache mContactInfoCache; |
| private Context mContext; |
| private CallList mCallList; |
| private InCallActivity mInCallActivity; |
| private InCallState mInCallState = InCallState.NO_CALLS; |
| private ProximitySensor mProximitySensor; |
| private boolean mServiceConnected = false; |
| |
| /** |
| * Is true when the activity has been previously started. Some code needs to know not just if |
| * the activity is currently up, but if it had been previously shown in foreground for this |
| * in-call session (e.g., StatusBarNotifier). This gets reset when the session ends in the |
| * tear-down method. |
| */ |
| private boolean mIsActivityPreviouslyStarted = false; |
| |
| public static synchronized InCallPresenter getInstance() { |
| if (sInCallPresenter == null) { |
| sInCallPresenter = new InCallPresenter(); |
| } |
| return sInCallPresenter; |
| } |
| |
| public InCallState getInCallState() { |
| return mInCallState; |
| } |
| |
| public CallList getCallList() { |
| return mCallList; |
| } |
| |
| public void setUp(Context context, CallList callList, AudioModeProvider audioModeProvider) { |
| if (mServiceConnected) { |
| Log.i(this, "New service connection replacing existing one."); |
| // retain the current resources, no need to create new ones. |
| Preconditions.checkState(context == mContext); |
| Preconditions.checkState(callList == mCallList); |
| Preconditions.checkState(audioModeProvider == mAudioModeProvider); |
| return; |
| } |
| |
| Preconditions.checkNotNull(context); |
| mContext = context; |
| |
| mContactInfoCache = ContactInfoCache.getInstance(context); |
| |
| mStatusBarNotifier = new StatusBarNotifier(context, mContactInfoCache); |
| addListener(mStatusBarNotifier); |
| |
| mAudioModeProvider = audioModeProvider; |
| |
| mProximitySensor = new ProximitySensor(context, mAudioModeProvider); |
| addListener(mProximitySensor); |
| |
| mCallList = callList; |
| |
| // This only gets called by the service so this is okay. |
| mServiceConnected = true; |
| |
| // The final thing we do in this set up is add ourselves as a listener to CallList. This |
| // will kick off an update and the whole process can start. |
| mCallList.addListener(this); |
| |
| Log.d(this, "Finished InCallPresenter.setUp"); |
| } |
| |
| /** |
| * Called when the telephony service has disconnected from us. This will happen when there are |
| * no more active calls. However, we may still want to continue showing the UI for |
| * certain cases like showing "Call Ended". |
| * What we really want is to wait for the activity and the service to both disconnect before we |
| * tear things down. This method sets a serviceConnected boolean and calls a secondary method |
| * that performs the aforementioned logic. |
| */ |
| public void tearDown() { |
| Log.d(this, "tearDown"); |
| mServiceConnected = false; |
| attemptCleanup(); |
| } |
| |
| private void attemptFinishActivity() { |
| final boolean doFinish = (mInCallActivity != null && isActivityStarted()); |
| Log.i(this, "Hide in call UI: " + doFinish); |
| |
| if (doFinish) { |
| mInCallActivity.finish(); |
| } |
| } |
| |
| /** |
| * Called when the UI begins or ends. Starts the callstate callbacks if the UI just began. |
| * Attempts to tear down everything if the UI just ended. See #tearDown for more insight on |
| * the tear-down process. |
| */ |
| public void setActivity(InCallActivity inCallActivity) { |
| boolean updateListeners = false; |
| boolean doAttemptCleanup = false; |
| |
| if (inCallActivity != null) { |
| if (mInCallActivity == null) { |
| updateListeners = true; |
| Log.i(this, "UI Initialized"); |
| } else if (mInCallActivity != inCallActivity) { |
| Log.wtf(this, "Setting a second activity before destroying the first."); |
| } else { |
| // since setActivity is called onStart(), it can be called multiple times. |
| // This is fine and ignorable, but we do not want to update the world every time |
| // this happens (like going to/from background) so we do not set updateListeners. |
| } |
| |
| mInCallActivity = inCallActivity; |
| |
| // By the time the UI finally comes up, the call may already be disconnected. |
| // If that's the case, we may need to show an error dialog. |
| if (mCallList != null && mCallList.getDisconnectedCall() != null) { |
| maybeShowErrorDialogOnDisconnect(mCallList.getDisconnectedCall()); |
| } |
| |
| // When the UI comes up, we need to first check the in-call state. |
| // If we are showing NO_CALLS, that means that a call probably connected and |
| // then immediately disconnected before the UI was able to come up. |
| // If we dont have any calls, start tearing down the UI instead. |
| // NOTE: This code relies on {@link #mInCallActivity} being set so we run it after |
| // it has been set. |
| if (mInCallState == InCallState.NO_CALLS) { |
| Log.i(this, "UI Intialized, but no calls left. shut down."); |
| attemptFinishActivity(); |
| return; |
| } |
| } else { |
| Log.i(this, "UI Destroyed)"); |
| updateListeners = true; |
| mInCallActivity = null; |
| |
| // We attempt cleanup for the destroy case but only after we recalculate the state |
| // to see if we need to come back up or stay shut down. This is why we do the cleanup |
| // after the call to onCallListChange() instead of directly here. |
| doAttemptCleanup = true; |
| } |
| |
| // Messages can come from the telephony layer while the activity is coming up |
| // and while the activity is going down. So in both cases we need to recalculate what |
| // state we should be in after they complete. |
| // Examples: (1) A new incoming call could come in and then get disconnected before |
| // the activity is created. |
| // (2) All calls could disconnect and then get a new incoming call before the |
| // activity is destroyed. |
| // |
| // b/1122139 - We previously had a check for mServiceConnected here as well, but there are |
| // cases where we need to recalculate the current state even if the service in not |
| // connected. In particular the case where startOrFinish() is called while the app is |
| // already finish()ing. In that case, we skip updating the state with the knowledge that |
| // we will check again once the activity has finished. That means we have to recalculate the |
| // state here even if the service is disconnected since we may not have finished a state |
| // transition while finish()ing. |
| if (updateListeners) { |
| onCallListChange(mCallList); |
| } |
| |
| if (doAttemptCleanup) { |
| attemptCleanup(); |
| } |
| } |
| |
| /** |
| * Called when there is a change to the call list. |
| * Sets the In-Call state for the entire in-call app based on the information it gets from |
| * CallList. Dispatches the in-call state to all listeners. Can trigger the creation or |
| * destruction of the UI based on the states that is calculates. |
| */ |
| @Override |
| public void onCallListChange(CallList callList) { |
| if (callList == null) { |
| return; |
| } |
| InCallState newState = getPotentialStateFromCallList(callList); |
| newState = startOrFinishUi(newState); |
| |
| // Renable notification shade and soft navigation buttons, if we are no longer in the |
| // incoming call screen |
| if (!newState.isIncoming()) { |
| CallCommandClient.getInstance().setSystemBarNavigationEnabled(true); |
| } |
| |
| // Set the new state before announcing it to the world |
| Log.i(this, "Phone switching state: " + mInCallState + " -> " + newState); |
| mInCallState = newState; |
| |
| // notify listeners of new state |
| for (InCallStateListener listener : mListeners) { |
| Log.d(this, "Notify " + listener + " of state " + mInCallState.toString()); |
| listener.onStateChange(mInCallState, callList); |
| } |
| } |
| |
| /** |
| * Called when there is a new incoming call. |
| * |
| * @param call |
| */ |
| @Override |
| public void onIncomingCall(Call call) { |
| InCallState newState = startOrFinishUi(InCallState.INCOMING); |
| |
| Log.i(this, "Phone switching state: " + mInCallState + " -> " + newState); |
| mInCallState = newState; |
| |
| // Disable notification shade and soft navigation buttons |
| if (newState.isIncoming()) { |
| CallCommandClient.getInstance().setSystemBarNavigationEnabled(false); |
| } |
| |
| for (IncomingCallListener listener : mIncomingCallListeners) { |
| listener.onIncomingCall(mInCallState, call); |
| } |
| } |
| |
| /** |
| * Called when a call becomes disconnected. Called everytime an existing call |
| * changes from being connected (incoming/outgoing/active) to disconnected. |
| */ |
| @Override |
| public void onDisconnect(Call call) { |
| hideDialpadForDisconnect(); |
| maybeShowErrorDialogOnDisconnect(call); |
| |
| // We need to do the run the same code as onCallListChange. |
| onCallListChange(CallList.getInstance()); |
| } |
| |
| /** |
| * Given the call list, return the state in which the in-call screen should be. |
| */ |
| public static InCallState getPotentialStateFromCallList(CallList callList) { |
| |
| InCallState newState = InCallState.NO_CALLS; |
| |
| if (callList == null) { |
| return newState; |
| } |
| if (callList.getIncomingCall() != null) { |
| newState = InCallState.INCOMING; |
| } else if (callList.getOutgoingCall() != null) { |
| newState = InCallState.OUTGOING; |
| } else if (callList.getActiveCall() != null || |
| callList.getBackgroundCall() != null || |
| callList.getDisconnectedCall() != null || |
| callList.getDisconnectingCall() != null) { |
| newState = InCallState.INCALL; |
| } |
| |
| return newState; |
| } |
| |
| public void addIncomingCallListener(IncomingCallListener listener) { |
| Preconditions.checkNotNull(listener); |
| mIncomingCallListeners.add(listener); |
| } |
| |
| public void removeIncomingCallListener(IncomingCallListener listener) { |
| Preconditions.checkNotNull(listener); |
| mIncomingCallListeners.remove(listener); |
| } |
| |
| public void addListener(InCallStateListener listener) { |
| Preconditions.checkNotNull(listener); |
| mListeners.add(listener); |
| } |
| |
| public void removeListener(InCallStateListener listener) { |
| Preconditions.checkNotNull(listener); |
| mListeners.remove(listener); |
| } |
| |
| public AudioModeProvider getAudioModeProvider() { |
| return mAudioModeProvider; |
| } |
| |
| public ContactInfoCache getContactInfoCache() { |
| return mContactInfoCache; |
| } |
| |
| public ProximitySensor getProximitySensor() { |
| return mProximitySensor; |
| } |
| |
| /** |
| * Hangs up any active or outgoing calls. |
| */ |
| public void hangUpOngoingCall(Context context) { |
| // By the time we receive this intent, we could be shut down and call list |
| // could be null. Bail in those cases. |
| if (mCallList == null) { |
| if (mStatusBarNotifier == null) { |
| // The In Call UI has crashed but the notification still stayed up. We should not |
| // come to this stage. |
| StatusBarNotifier.clearInCallNotification(context); |
| } |
| return; |
| } |
| |
| Call call = mCallList.getOutgoingCall(); |
| if (call == null) { |
| call = mCallList.getActiveOrBackgroundCall(); |
| } |
| |
| if (call != null) { |
| CallCommandClient.getInstance().disconnectCall(call.getCallId()); |
| } |
| } |
| |
| /** |
| * Returns true if the incall app is the foreground application. |
| */ |
| public boolean isShowingInCallUi() { |
| return (isActivityStarted() && mInCallActivity.isForegroundActivity()); |
| } |
| |
| /** |
| * Returns true of the activity has been created and is running. |
| * Returns true as long as activity is not destroyed or finishing. This ensures that we return |
| * true even if the activity is paused (not in foreground). |
| */ |
| public boolean isActivityStarted() { |
| return (mInCallActivity != null && |
| !mInCallActivity.isDestroyed() && |
| !mInCallActivity.isFinishing()); |
| } |
| |
| public boolean isActivityPreviouslyStarted() { |
| return mIsActivityPreviouslyStarted; |
| } |
| |
| /** |
| * Called when the activity goes in/out of the foreground. |
| */ |
| public void onUiShowing(boolean showing) { |
| // We need to update the notification bar when we leave the UI because that |
| // could trigger it to show again. |
| if (mStatusBarNotifier != null) { |
| mStatusBarNotifier.updateNotification(mInCallState, mCallList); |
| } |
| |
| if (mProximitySensor != null) { |
| mProximitySensor.onInCallShowing(showing); |
| } |
| |
| if (showing) { |
| mIsActivityPreviouslyStarted = true; |
| } |
| } |
| |
| /** |
| * Brings the app into the foreground if possible. |
| */ |
| public void bringToForeground(boolean showDialpad) { |
| // Before we bring the incall UI to the foreground, we check to see if: |
| // 1. We've already started the activity once for this session |
| // 2. If it exists, the activity is not already in the foreground |
| // 3. We are in a state where we want to show the incall ui |
| if (mIsActivityPreviouslyStarted && !isShowingInCallUi() && |
| mInCallState != InCallState.NO_CALLS) { |
| showInCall(showDialpad); |
| } |
| } |
| |
| public void onPostDialCharWait(int callId, String chars) { |
| mInCallActivity.showPostCharWaitDialog(callId, chars); |
| } |
| |
| /** |
| * Handles the green CALL key while in-call. |
| * @return true if we consumed the event. |
| */ |
| public boolean handleCallKey() { |
| Log.v(this, "handleCallKey"); |
| |
| // The green CALL button means either "Answer", "Unhold", or |
| // "Swap calls", or can be a no-op, depending on the current state |
| // of the Phone. |
| |
| /** |
| * INCOMING CALL |
| */ |
| final CallList calls = CallList.getInstance(); |
| final Call incomingCall = calls.getIncomingCall(); |
| Log.v(this, "incomingCall: " + incomingCall); |
| |
| // (1) Attempt to answer a call |
| if (incomingCall != null) { |
| CallCommandClient.getInstance().answerCall(incomingCall.getCallId()); |
| return true; |
| } |
| |
| /** |
| * ACTIVE CALL |
| */ |
| final Call activeCall = calls.getActiveCall(); |
| if (activeCall != null) { |
| // TODO: This logic is repeated from CallButtonPresenter.java. We should |
| // consolidate this logic. |
| final boolean isGeneric = activeCall.can(Capabilities.GENERIC_CONFERENCE); |
| final boolean canMerge = activeCall.can(Capabilities.MERGE_CALLS); |
| final boolean canSwap = activeCall.can(Capabilities.SWAP_CALLS); |
| |
| Log.v(this, "activeCall: " + activeCall + ", isGeneric: " + isGeneric + ", canMerge: " + |
| canMerge + ", canSwap: " + canSwap); |
| |
| // (2) Attempt actions on Generic conference calls |
| if (activeCall.isConferenceCall() && isGeneric) { |
| if (canMerge) { |
| CallCommandClient.getInstance().merge(); |
| return true; |
| } else if (canSwap) { |
| CallCommandClient.getInstance().swap(); |
| return true; |
| } |
| } |
| |
| // (3) Swap calls |
| if (canSwap) { |
| CallCommandClient.getInstance().swap(); |
| return true; |
| } |
| } |
| |
| /** |
| * BACKGROUND CALL |
| */ |
| final Call heldCall = calls.getBackgroundCall(); |
| if (heldCall != null) { |
| // We have a hold call so presumeable it will always support HOLD...but |
| // there is no harm in double checking. |
| final boolean canHold = heldCall.can(Capabilities.HOLD); |
| |
| Log.v(this, "heldCall: " + heldCall + ", canHold: " + canHold); |
| |
| // (4) unhold call |
| if (heldCall.getState() == Call.State.ONHOLD && canHold) { |
| CallCommandClient.getInstance().hold(heldCall.getCallId(), false); |
| return true; |
| } |
| } |
| |
| // Always consume hard keys |
| return true; |
| } |
| |
| /** |
| * A dialog could have prevented in-call screen from being previously finished. |
| * This function checks to see if there should be any UI left and if not attempts |
| * to tear down the UI. |
| */ |
| public void onDismissDialog() { |
| Log.i(this, "Dialog dismissed"); |
| if (mInCallState == InCallState.NO_CALLS) { |
| attemptFinishActivity(); |
| attemptCleanup(); |
| } |
| } |
| |
| /** |
| * For some disconnected causes, we show a dialog. This calls into the activity to show |
| * the dialog if appropriate for the call. |
| */ |
| private void maybeShowErrorDialogOnDisconnect(Call call) { |
| // For newly disconnected calls, we may want to show a dialog on specific error conditions |
| if (isActivityStarted() && call.getState() == Call.State.DISCONNECTED) { |
| mInCallActivity.maybeShowErrorDialogOnDisconnect(call.getDisconnectCause()); |
| } |
| } |
| |
| /** |
| * Hides the dialpad. Called when a call is disconnected (Requires hiding dialpad). |
| */ |
| private void hideDialpadForDisconnect() { |
| if (isActivityStarted()) { |
| mInCallActivity.hideDialpadForDisconnect(); |
| } |
| } |
| |
| /** |
| * When the state of in-call changes, this is the first method to get called. It determines if |
| * the UI needs to be started or finished depending on the new state and does it. |
| */ |
| private InCallState startOrFinishUi(InCallState newState) { |
| Log.d(this, "startOrFinishUi: " + mInCallState + " -> " + newState); |
| |
| // TODO: Consider a proper state machine implementation |
| |
| // If the state isn't changing, we have already done any starting/stopping of |
| // activities in a previous pass...so lets cut out early |
| if (newState == mInCallState) { |
| return newState; |
| } |
| |
| // A new Incoming call means that the user needs to be notified of the the call (since |
| // it wasn't them who initiated it). We do this through full screen notifications and |
| // happens indirectly through {@link StatusBarListener}. |
| // |
| // The process for incoming calls is as follows: |
| // |
| // 1) CallList - Announces existence of new INCOMING call |
| // 2) InCallPresenter - Gets announcement and calculates that the new InCallState |
| // - should be set to INCOMING. |
| // 3) InCallPresenter - This method is called to see if we need to start or finish |
| // the app given the new state. |
| // 4) StatusBarNotifier - Listens to InCallState changes. InCallPresenter calls |
| // StatusBarNotifier explicitly to issue a FullScreen Notification |
| // that will either start the InCallActivity or show the user a |
| // top-level notification dialog if the user is in an immersive app. |
| // That notification can also start the InCallActivity. |
| // 5) InCallActivity - Main activity starts up and at the end of its onCreate will |
| // call InCallPresenter::setActivity() to let the presenter |
| // know that start-up is complete. |
| // |
| // [ AND NOW YOU'RE IN THE CALL. voila! ] |
| // |
| // Our app is started using a fullScreen notification. We need to do this whenever |
| // we get an incoming call. |
| final boolean startStartupSequence = (InCallState.INCOMING == newState); |
| |
| // A new outgoing call indicates that the user just now dialed a number and when that |
| // happens we need to display the screen immediateley. |
| // |
| // This is different from the incoming call sequence because we do not need to shock the |
| // user with a top-level notification. Just show the call UI normally. |
| final boolean showCallUi = (InCallState.OUTGOING == newState); |
| |
| // TODO: Can we be suddenly in a call without it having been in the outgoing or incoming |
| // state? I havent seen that but if it can happen, the code below should be enabled. |
| // showCallUi |= (InCallState.INCALL && !isActivityStarted()); |
| |
| // The only time that we have an instance of mInCallActivity and it isn't started is |
| // when it is being destroyed. In that case, lets avoid bringing up another instance of |
| // the activity. When it is finally destroyed, we double check if we should bring it back |
| // up so we aren't going to lose anything by avoiding a second startup here. |
| boolean activityIsFinishing = mInCallActivity != null && !isActivityStarted(); |
| if (activityIsFinishing) { |
| Log.i(this, "Undo the state change: " + newState + " -> " + mInCallState); |
| return mInCallState; |
| } |
| |
| if (showCallUi) { |
| Log.i(this, "Start in call UI"); |
| showInCall(false); |
| } else if (startStartupSequence) { |
| Log.i(this, "Start Full Screen in call UI"); |
| |
| // We're about the bring up the in-call UI for an incoming call. If we still have |
| // dialogs up, we need to clear them out before showing incoming screen. |
| if (isActivityStarted()) { |
| mInCallActivity.dismissPendingDialogs(); |
| } |
| startUi(newState); |
| } else if (newState == InCallState.NO_CALLS) { |
| // The new state is the no calls state. Tear everything down. |
| attemptFinishActivity(); |
| attemptCleanup(); |
| } |
| |
| return newState; |
| } |
| |
| private void startUi(InCallState inCallState) { |
| final Call incomingCall = mCallList.getIncomingCall(); |
| final boolean isCallWaiting = (incomingCall != null && |
| incomingCall.getState() == Call.State.CALL_WAITING); |
| |
| // If the screen is off, we need to make sure it gets turned on for incoming calls. |
| // This normally works just fine thanks to FLAG_TURN_SCREEN_ON but that only works |
| // when the activity is first created. Therefore, to ensure the screen is turned on |
| // for the call waiting case, we finish() the current activity and start a new one. |
| // There should be no jank from this since the screen is already off and will remain so |
| // until our new activity is up. |
| if (mProximitySensor.isScreenReallyOff() && isCallWaiting) { |
| if (isActivityStarted()) { |
| mInCallActivity.finish(); |
| } |
| mInCallActivity = null; |
| } |
| |
| mStatusBarNotifier.updateNotificationAndLaunchIncomingCallUi(inCallState, mCallList); |
| } |
| |
| /** |
| * Checks to see if both the UI is gone and the service is disconnected. If so, tear it all |
| * down. |
| */ |
| private void attemptCleanup() { |
| boolean shouldCleanup = (mInCallActivity == null && !mServiceConnected && |
| mInCallState == InCallState.NO_CALLS); |
| Log.i(this, "attemptCleanup? " + shouldCleanup); |
| |
| if (shouldCleanup) { |
| mIsActivityPreviouslyStarted = false; |
| |
| // blow away stale contact info so that we get fresh data on |
| // the next set of calls |
| if (mContactInfoCache != null) { |
| mContactInfoCache.clearCache(); |
| } |
| mContactInfoCache = null; |
| |
| if (mProximitySensor != null) { |
| removeListener(mProximitySensor); |
| mProximitySensor.tearDown(); |
| } |
| mProximitySensor = null; |
| |
| mAudioModeProvider = null; |
| |
| if (mStatusBarNotifier != null) { |
| removeListener(mStatusBarNotifier); |
| } |
| mStatusBarNotifier = null; |
| |
| if (mCallList != null) { |
| mCallList.removeListener(this); |
| } |
| mCallList = null; |
| |
| mContext = null; |
| mInCallActivity = null; |
| |
| mListeners.clear(); |
| mIncomingCallListeners.clear(); |
| |
| Log.d(this, "Finished InCallPresenter.CleanUp"); |
| } |
| } |
| |
| private void showInCall(boolean showDialpad) { |
| mContext.startActivity(getInCallIntent(showDialpad)); |
| } |
| |
| public Intent getInCallIntent(boolean showDialpad) { |
| final Intent intent = new Intent(Intent.ACTION_MAIN, null); |
| intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK |
| | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS |
| | Intent.FLAG_ACTIVITY_NO_USER_ACTION); |
| intent.setClass(mContext, InCallActivity.class); |
| if (showDialpad) { |
| intent.putExtra(InCallActivity.SHOW_DIALPAD_EXTRA, true); |
| } |
| |
| return intent; |
| } |
| |
| /** |
| * Private constructor. Must use getInstance() to get this singleton. |
| */ |
| private InCallPresenter() { |
| } |
| |
| /** |
| * All the main states of InCallActivity. |
| */ |
| public enum InCallState { |
| // InCall Screen is off and there are no calls |
| NO_CALLS, |
| |
| // Incoming-call screen is up |
| INCOMING, |
| |
| // In-call experience is showing |
| INCALL, |
| |
| // User is dialing out |
| OUTGOING; |
| |
| public boolean isIncoming() { |
| return (this == INCOMING); |
| } |
| |
| public boolean isConnectingOrConnected() { |
| return (this == INCOMING || |
| this == OUTGOING || |
| this == INCALL); |
| } |
| } |
| |
| /** |
| * Interface implemented by classes that need to know about the InCall State. |
| */ |
| public interface InCallStateListener { |
| // TODO: Enhance state to contain the call objects instead of passing CallList |
| public void onStateChange(InCallState state, CallList callList); |
| } |
| |
| public interface IncomingCallListener { |
| public void onIncomingCall(InCallState state, Call call); |
| } |
| } |