| /* |
| * Copyright (C) 2016 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.dialer.app.voicemail; |
| |
| import android.content.Context; |
| import android.database.ContentObserver; |
| import android.database.Cursor; |
| import android.os.Handler; |
| import android.support.annotation.MainThread; |
| import android.telecom.PhoneAccountHandle; |
| import android.telephony.PhoneStateListener; |
| import android.telephony.ServiceState; |
| import android.telephony.TelephonyManager; |
| import android.util.ArrayMap; |
| import com.android.dialer.app.calllog.CallLogAlertManager; |
| import com.android.dialer.app.calllog.CallLogModalAlertManager; |
| import com.android.dialer.common.Assert; |
| import com.android.dialer.common.LogUtil; |
| import com.android.dialer.database.CallLogQueryHandler; |
| import com.android.dialer.voicemail.listui.error.VoicemailErrorAlert; |
| import com.android.dialer.voicemail.listui.error.VoicemailErrorMessageCreator; |
| import com.android.dialer.voicemail.listui.error.VoicemailStatus; |
| import com.android.dialer.voicemail.listui.error.VoicemailStatusReader; |
| import com.android.voicemail.VoicemailComponent; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Fetches voicemail status and generate {@link VoicemailStatus} for {@link VoicemailErrorAlert} to |
| * show. |
| */ |
| public class VoicemailErrorManager implements CallLogQueryHandler.Listener, VoicemailStatusReader { |
| |
| private final Context context; |
| private final CallLogQueryHandler callLogQueryHandler; |
| private final VoicemailErrorAlert alertItem; |
| |
| private final Map<PhoneAccountHandle, ServiceStateListener> listeners = new ArrayMap<>(); |
| |
| private final ContentObserver statusObserver = |
| new ContentObserver(new Handler()) { |
| @Override |
| public void onChange(boolean selfChange) { |
| super.onChange(selfChange); |
| fetchStatus(); |
| } |
| }; |
| |
| private boolean isForeground; |
| private boolean statusInvalidated; |
| |
| public VoicemailErrorManager( |
| Context context, |
| CallLogAlertManager alertManager, |
| CallLogModalAlertManager modalAlertManager) { |
| this.context = context; |
| alertItem = |
| new VoicemailErrorAlert( |
| context, alertManager, modalAlertManager, new VoicemailErrorMessageCreator()); |
| callLogQueryHandler = new CallLogQueryHandler(context, context.getContentResolver(), this); |
| fetchStatus(); |
| } |
| |
| public ContentObserver getContentObserver() { |
| return statusObserver; |
| } |
| |
| @MainThread |
| @Override |
| public void onVoicemailStatusFetched(Cursor statusCursor) { |
| List<VoicemailStatus> statuses = new ArrayList<>(); |
| while (statusCursor.moveToNext()) { |
| VoicemailStatus status = new VoicemailStatus(context, statusCursor); |
| if (status.isActive()) { |
| statuses.add(status); |
| addServiceStateListener(status); |
| } |
| } |
| alertItem.updateStatus(statuses, this); |
| // TODO(twyen): a bug support error from multiple sources. |
| return; |
| } |
| |
| @MainThread |
| private void addServiceStateListener(VoicemailStatus status) { |
| Assert.isMainThread(); |
| if (!VoicemailComponent.get(context).getVoicemailClient().isVoicemailModuleEnabled()) { |
| LogUtil.i("VoicemailErrorManager.addServiceStateListener", "VVM module not enabled"); |
| return; |
| } |
| if (!status.sourcePackage.equals(context.getPackageName())) { |
| LogUtil.i("VoicemailErrorManager.addServiceStateListener", "non-dialer source"); |
| return; |
| } |
| TelephonyManager telephonyManager = |
| context |
| .getSystemService(TelephonyManager.class) |
| .createForPhoneAccountHandle(status.getPhoneAccountHandle()); |
| if (telephonyManager == null) { |
| LogUtil.e("VoicemailErrorManager.addServiceStateListener", "invalid PhoneAccountHandle"); |
| return; |
| } |
| PhoneAccountHandle phoneAccountHandle = status.getPhoneAccountHandle(); |
| if (listeners.containsKey(phoneAccountHandle)) { |
| return; |
| } |
| LogUtil.i( |
| "VoicemailErrorManager.addServiceStateListener", |
| "adding listener for " + phoneAccountHandle); |
| ServiceStateListener serviceStateListener = new ServiceStateListener(); |
| telephonyManager.listen(serviceStateListener, PhoneStateListener.LISTEN_SERVICE_STATE); |
| listeners.put(phoneAccountHandle, serviceStateListener); |
| } |
| |
| @Override |
| public void onVoicemailUnreadCountFetched(Cursor cursor) { |
| // Do nothing |
| } |
| |
| @Override |
| public void onMissedCallsUnreadCountFetched(Cursor cursor) { |
| // Do nothing |
| } |
| |
| @Override |
| public boolean onCallsFetched(Cursor combinedCursor) { |
| // Do nothing |
| return false; |
| } |
| |
| public void onResume() { |
| isForeground = true; |
| if (statusInvalidated) { |
| fetchStatus(); |
| } |
| } |
| |
| public void onPause() { |
| isForeground = false; |
| statusInvalidated = false; |
| } |
| |
| public void onDestroy() { |
| TelephonyManager telephonyManager = context.getSystemService(TelephonyManager.class); |
| for (ServiceStateListener listener : listeners.values()) { |
| telephonyManager.listen(listener, PhoneStateListener.LISTEN_NONE); |
| } |
| } |
| |
| @Override |
| public void refresh() { |
| fetchStatus(); |
| } |
| |
| /** |
| * Fetch the status when the dialer is in foreground, or queue a fetch when the dialer resumes. |
| */ |
| private void fetchStatus() { |
| if (!isForeground) { |
| // Dialer is in the background, UI should not be updated. Reload the status when it resumes. |
| statusInvalidated = true; |
| return; |
| } |
| callLogQueryHandler.fetchVoicemailStatus(); |
| } |
| |
| private class ServiceStateListener extends PhoneStateListener { |
| |
| @Override |
| public void onServiceStateChanged(ServiceState serviceState) { |
| fetchStatus(); |
| } |
| } |
| } |