/** * Copyright (C) 2014 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.settings; import android.app.Dialog; import android.content.DialogInterface; import android.content.Intent; import android.database.Cursor; import android.os.AsyncResult; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.os.PersistableBundle; import android.os.UserManager; import android.preference.Preference; import android.preference.PreferenceActivity; import android.preference.PreferenceScreen; import android.provider.ContactsContract.CommonDataKinds; import android.provider.Settings; import android.telecom.PhoneAccountHandle; import android.telephony.CarrierConfigManager; import android.telephony.TelephonyManager; import android.text.BidiFormatter; import android.text.TextDirectionHeuristics; import android.text.TextUtils; import android.util.Log; import android.view.MenuItem; import android.widget.ListAdapter; import android.widget.Toast; import com.android.internal.telephony.CallForwardInfo; import com.android.internal.telephony.CommandsInterface; import com.android.internal.telephony.Phone; import com.android.internal.telephony.PhoneConstants; import com.android.internal.telephony.util.NotificationChannelController; import com.android.phone.EditPhoneNumberPreference; import com.android.phone.PhoneGlobals; import com.android.phone.PhoneUtils; import com.android.phone.R; import com.android.phone.SubscriptionInfoHelper; import java.util.Collection; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.Map; public class VoicemailSettingsActivity extends PreferenceActivity implements DialogInterface.OnClickListener, Preference.OnPreferenceChangeListener, EditPhoneNumberPreference.OnDialogClosedListener, EditPhoneNumberPreference.GetDefaultNumberListener{ private static final String LOG_TAG = VoicemailSettingsActivity.class.getSimpleName(); private static final boolean DBG = (PhoneGlobals.DBG_LEVEL >= 2); /** * Intent action to bring up Voicemail Provider settings * DO NOT RENAME. There are existing apps which use this intent value. */ public static final String ACTION_ADD_VOICEMAIL = "com.android.phone.CallFeaturesSetting.ADD_VOICEMAIL"; /** * Intent action to bring up the {@code VoicemailSettingsActivity}. * DO NOT RENAME. There are existing apps which use this intent value. */ public static final String ACTION_CONFIGURE_VOICEMAIL = "com.android.phone.CallFeaturesSetting.CONFIGURE_VOICEMAIL"; // Extra put in the return from VM provider config containing voicemail number to set public static final String VM_NUMBER_EXTRA = "com.android.phone.VoicemailNumber"; // Extra put in the return from VM provider config containing call forwarding number to set public static final String FWD_NUMBER_EXTRA = "com.android.phone.ForwardingNumber"; // Extra put in the return from VM provider config containing call forwarding number to set public static final String FWD_NUMBER_TIME_EXTRA = "com.android.phone.ForwardingNumberTime"; // If the VM provider returns non null value in this extra we will force the user to // choose another VM provider public static final String SIGNOUT_EXTRA = "com.android.phone.Signout"; /** * String Extra put into ACTION_ADD_VOICEMAIL call to indicate which provider should be hidden * in the list of providers presented to the user. This allows a provider which is being * disabled (e.g. GV user logging out) to force the user to pick some other provider. */ public static final String IGNORE_PROVIDER_EXTRA = "com.android.phone.ProviderToIgnore"; /** * String Extra put into ACTION_ADD_VOICEMAIL to indicate that the voicemail setup screen should * be opened. */ public static final String SETUP_VOICEMAIL_EXTRA = "com.android.phone.SetupVoicemail"; // TODO: Define these preference keys in XML. private static final String BUTTON_VOICEMAIL_KEY = "button_voicemail_key"; private static final String BUTTON_VOICEMAIL_PROVIDER_KEY = "button_voicemail_provider_key"; private static final String BUTTON_VOICEMAIL_SETTING_KEY = "button_voicemail_setting_key"; /** Event for Async voicemail change call */ private static final int EVENT_VOICEMAIL_CHANGED = 500; private static final int EVENT_FORWARDING_CHANGED = 501; private static final int EVENT_FORWARDING_GET_COMPLETED = 502; /** Handle to voicemail pref */ private static final int VOICEMAIL_PREF_ID = 1; private static final int VOICEMAIL_PROVIDER_CFG_ID = 2; /** * Results of reading forwarding settings */ private CallForwardInfo[] mForwardingReadResults = null; /** * Result of forwarding number change. * Keys are reasons (eg. unconditional forwarding). */ private Map mForwardingChangeResults = null; /** * Expected CF read result types. * This set keeps track of the CF types for which we've issued change * commands so we can tell when we've received all of the responses. */ private Collection mExpectedChangeResultReasons = null; /** * Result of vm number change */ private AsyncResult mVoicemailChangeResult = null; /** * Previous VM provider setting so we can return to it in case of failure. */ private String mPreviousVMProviderKey = null; /** * Id of the dialog being currently shown. */ private int mCurrentDialogId = 0; /** * Flag indicating that we are invoking settings for the voicemail provider programmatically * due to vm provider change. */ private boolean mVMProviderSettingsForced = false; /** * Flag indicating that we are making changes to vm or fwd numbers * due to vm provider change. */ private boolean mChangingVMorFwdDueToProviderChange = false; /** * True if we are in the process of vm & fwd number change and vm has already been changed. * This is used to decide what to do in case of rollback. */ private boolean mVMChangeCompletedSuccessfully = false; /** * True if we had full or partial failure setting forwarding numbers and so need to roll them * back. */ private boolean mFwdChangesRequireRollback = false; /** * Id of error msg to display to user once we are done reverting the VM provider to the previous * one. */ private int mVMOrFwdSetError = 0; /** string to hold old voicemail number as it is being updated. */ private String mOldVmNumber; // New call forwarding settings and vm number we will be setting // Need to save these since before we get to saving we need to asynchronously // query the existing forwarding settings. private CallForwardInfo[] mNewFwdSettings; private String mNewVMNumber; /** * Used to indicate that the voicemail preference should be shown. */ private boolean mShowVoicemailPreference = false; private boolean mForeground; private Phone mPhone; private SubscriptionInfoHelper mSubscriptionInfoHelper; private EditPhoneNumberPreference mSubMenuVoicemailSettings = null; private VoicemailProviderListPreference mVoicemailProviders; private PreferenceScreen mVoicemailSettings; private Preference mVoicemailNotificationPreference; //********************************************************************************************* // Preference Activity Methods //********************************************************************************************* @Override protected void onCreate(Bundle icicle) { super.onCreate(icicle); // Make sure we are running as the primary user only UserManager userManager = getApplicationContext().getSystemService(UserManager.class); if (!userManager.isPrimaryUser()) { Toast.makeText(this, R.string.voice_number_setting_primary_user_only, Toast.LENGTH_SHORT).show(); finish(); return; } // Show the voicemail preference in onResume if the calling intent specifies the // ACTION_ADD_VOICEMAIL action. mShowVoicemailPreference = (icicle == null) && TextUtils.equals(getIntent().getAction(), ACTION_ADD_VOICEMAIL); PhoneAccountHandle phoneAccountHandle = (PhoneAccountHandle) getIntent().getParcelableExtra(TelephonyManager.EXTRA_PHONE_ACCOUNT_HANDLE); if (phoneAccountHandle != null) { getIntent().putExtra(SubscriptionInfoHelper.SUB_ID_EXTRA, PhoneUtils.getSubIdForPhoneAccountHandle(phoneAccountHandle)); } mSubscriptionInfoHelper = new SubscriptionInfoHelper(this, getIntent()); mSubscriptionInfoHelper.setActionBarTitle( getActionBar(), getResources(), R.string.voicemail_settings_with_label); mPhone = mSubscriptionInfoHelper.getPhone(); addPreferencesFromResource(R.xml.voicemail_settings); mVoicemailNotificationPreference = findPreference(getString(R.string.voicemail_notifications_key)); final Intent intent = new Intent(Settings.ACTION_CHANNEL_NOTIFICATION_SETTINGS); intent.putExtra(Settings.EXTRA_CHANNEL_ID, NotificationChannelController.CHANNEL_ID_VOICE_MAIL); intent.putExtra(Settings.EXTRA_APP_PACKAGE, mPhone.getContext().getPackageName()); mVoicemailNotificationPreference.setIntent(intent); } @Override protected void onResume() { super.onResume(); mForeground = true; PreferenceScreen prefSet = getPreferenceScreen(); if (mSubMenuVoicemailSettings == null) { mSubMenuVoicemailSettings = (EditPhoneNumberPreference) findPreference(BUTTON_VOICEMAIL_KEY); } if (mSubMenuVoicemailSettings != null) { mSubMenuVoicemailSettings.setParentActivity(this, VOICEMAIL_PREF_ID, this); mSubMenuVoicemailSettings.setDialogOnClosedListener(this); mSubMenuVoicemailSettings.setDialogTitle(R.string.voicemail_settings_number_label); if (!getBooleanCarrierConfig( CarrierConfigManager.KEY_EDITABLE_VOICEMAIL_NUMBER_SETTING_BOOL)) { mSubMenuVoicemailSettings.setEnabled(false); } } mVoicemailProviders = (VoicemailProviderListPreference) findPreference( BUTTON_VOICEMAIL_PROVIDER_KEY); mVoicemailProviders.init(mPhone, getIntent()); mVoicemailProviders.setOnPreferenceChangeListener(this); mPreviousVMProviderKey = mVoicemailProviders.getValue(); mVoicemailSettings = (PreferenceScreen) findPreference(BUTTON_VOICEMAIL_SETTING_KEY); maybeHidePublicSettings(); updateVMPreferenceWidgets(mVoicemailProviders.getValue()); // check the intent that started this activity and pop up the voicemail // dialog if we've been asked to. // If we have at least one non default VM provider registered then bring up // the selection for the VM provider, otherwise bring up a VM number dialog. // We only bring up the dialog the first time we are called (not after orientation change) if (mShowVoicemailPreference) { if (DBG) log("ACTION_ADD_VOICEMAIL Intent is thrown"); if (mVoicemailProviders.hasMoreThanOneVoicemailProvider()) { if (DBG) log("Voicemail data has more than one provider."); simulatePreferenceClick(mVoicemailProviders); } else { onPreferenceChange(mVoicemailProviders, VoicemailProviderListPreference.DEFAULT_KEY); mVoicemailProviders.setValue(VoicemailProviderListPreference.DEFAULT_KEY); } mShowVoicemailPreference = false; } updateVoiceNumberField(); mVMProviderSettingsForced = false; } /** * Hides a subset of voicemail settings if required by the intent extra. This is used by the * default dialer to show "advanced" voicemail settings from its own custom voicemail settings * UI. */ private void maybeHidePublicSettings() { if(!getIntent().getBooleanExtra(TelephonyManager.EXTRA_HIDE_PUBLIC_SETTINGS, false)){ return; } if (DBG) { log("maybeHidePublicSettings: settings hidden by EXTRA_HIDE_PUBLIC_SETTINGS"); } PreferenceScreen preferenceScreen = getPreferenceScreen(); preferenceScreen.removePreference(mVoicemailNotificationPreference); } @Override public void onPause() { super.onPause(); mForeground = false; } @Override public boolean onOptionsItemSelected(MenuItem item) { if (item.getItemId() == android.R.id.home) { onBackPressed(); return true; } return super.onOptionsItemSelected(item); } @Override public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { if (preference == mSubMenuVoicemailSettings) { return true; } else if (preference.getKey().equals(mVoicemailSettings.getKey())) { // Check key instead of comparing reference because closing the voicemail notification // ringtone dialog invokes onResume(), but leaves the old preference screen up, // TODO: Revert to checking reference after migrating voicemail to its own activity. if (DBG) log("onPreferenceTreeClick: Voicemail Settings Preference is clicked."); final Dialog dialog = ((PreferenceScreen) preference).getDialog(); if (dialog != null) { dialog.getActionBar().setDisplayHomeAsUpEnabled(false); } mSubMenuVoicemailSettings = (EditPhoneNumberPreference) findPreference(BUTTON_VOICEMAIL_KEY); mSubMenuVoicemailSettings.setParentActivity(this, VOICEMAIL_PREF_ID, this); mSubMenuVoicemailSettings.setDialogOnClosedListener(this); mSubMenuVoicemailSettings.setDialogTitle(R.string.voicemail_settings_number_label); updateVoiceNumberField(); if (preference.getIntent() != null) { if (DBG) log("Invoking cfg intent " + preference.getIntent().getPackage()); // onActivityResult() will be responsible for resetting some of variables. this.startActivityForResult(preference.getIntent(), VOICEMAIL_PROVIDER_CFG_ID); return true; } else { if (DBG) log("onPreferenceTreeClick(). No intent; use default behavior in xml."); // onActivityResult() will not be called, so reset variables here. mPreviousVMProviderKey = VoicemailProviderListPreference.DEFAULT_KEY; mVMProviderSettingsForced = false; return false; } } return false; } /** * Implemented to support onPreferenceChangeListener to look for preference changes. * * @param preference is the preference to be changed * @param objValue should be the value of the selection, NOT its localized * display value. */ @Override public boolean onPreferenceChange(Preference preference, Object objValue) { if (DBG) log("onPreferenceChange: \"" + preference + "\" changed to \"" + objValue + "\""); if (preference == mVoicemailProviders) { final String newProviderKey = (String) objValue; // If previous provider key and the new one is same, we don't need to handle it. if (mPreviousVMProviderKey.equals(newProviderKey)) { if (DBG) log("No change is made to the VM provider setting."); return true; } updateVMPreferenceWidgets(newProviderKey); final VoicemailProviderSettings newProviderSettings = VoicemailProviderSettingsUtil.load(this, newProviderKey); // If the user switches to a voice mail provider and we have numbers stored for it we // will automatically change the phone's voice mail and forwarding number to the stored // ones. Otherwise we will bring up provider's configuration UI. if (newProviderSettings == null) { // Force the user into a configuration of the chosen provider Log.w(LOG_TAG, "Saved preferences not found - invoking config"); mVMProviderSettingsForced = true; simulatePreferenceClick(mVoicemailSettings); } else { if (DBG) log("Saved preferences found - switching to them"); // Set this flag so if we get a failure we revert to previous provider mChangingVMorFwdDueToProviderChange = true; saveVoiceMailAndForwardingNumber(newProviderKey, newProviderSettings); } } // Always let the preference setting proceed. return true; } /** * Implemented for EditPhoneNumberPreference.GetDefaultNumberListener. * This method set the default values for the various * EditPhoneNumberPreference dialogs. */ @Override public String onGetDefaultNumber(EditPhoneNumberPreference preference) { if (preference == mSubMenuVoicemailSettings) { // update the voicemail number field, which takes care of the // mSubMenuVoicemailSettings itself, so we should return null. if (DBG) log("updating default for voicemail dialog"); updateVoiceNumberField(); return null; } String vmDisplay = mPhone.getVoiceMailNumber(); if (TextUtils.isEmpty(vmDisplay)) { // if there is no voicemail number, we just return null to // indicate no contribution. return null; } // Return the voicemail number prepended with "VM: " if (DBG) log("updating default for call forwarding dialogs"); return getString(R.string.voicemail_abbreviated) + " " + vmDisplay; } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (DBG) { log("onActivityResult: requestCode: " + requestCode + ", resultCode: " + resultCode + ", data: " + data); } // there are cases where the contact picker may end up sending us more than one // request. We want to ignore the request if we're not in the correct state. if (requestCode == VOICEMAIL_PROVIDER_CFG_ID) { boolean failure = false; // No matter how the processing of result goes lets clear the flag if (DBG) log("mVMProviderSettingsForced: " + mVMProviderSettingsForced); final boolean isVMProviderSettingsForced = mVMProviderSettingsForced; mVMProviderSettingsForced = false; String vmNum = null; if (resultCode != RESULT_OK) { if (DBG) log("onActivityResult: vm provider cfg result not OK."); failure = true; } else { if (data == null) { if (DBG) log("onActivityResult: vm provider cfg result has no data"); failure = true; } else { if (data.getBooleanExtra(SIGNOUT_EXTRA, false)) { if (DBG) log("Provider requested signout"); if (isVMProviderSettingsForced) { if (DBG) log("Going back to previous provider on signout"); switchToPreviousVoicemailProvider(); } else { final String victim = mVoicemailProviders.getKey(); if (DBG) log("Relaunching activity and ignoring " + victim); Intent i = new Intent(ACTION_ADD_VOICEMAIL); i.putExtra(IGNORE_PROVIDER_EXTRA, victim); i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); this.startActivity(i); } return; } vmNum = data.getStringExtra(VM_NUMBER_EXTRA); if (vmNum == null || vmNum.length() == 0) { if (DBG) log("onActivityResult: vm provider cfg result has no vmnum"); failure = true; } } } if (failure) { if (DBG) log("Failure in return from voicemail provider."); if (isVMProviderSettingsForced) { switchToPreviousVoicemailProvider(); } return; } mChangingVMorFwdDueToProviderChange = isVMProviderSettingsForced; final String fwdNum = data.getStringExtra(FWD_NUMBER_EXTRA); // TODO: It would be nice to load the current network setting for this and // send it to the provider when it's config is invoked so it can use this as default final int fwdNumTime = data.getIntExtra(FWD_NUMBER_TIME_EXTRA, 20); if (DBG) log("onActivityResult: cfg result has forwarding number " + fwdNum); saveVoiceMailAndForwardingNumber(mVoicemailProviders.getKey(), new VoicemailProviderSettings(vmNum, fwdNum, fwdNumTime)); return; } if (requestCode == VOICEMAIL_PREF_ID) { if (resultCode != RESULT_OK) { if (DBG) log("onActivityResult: contact picker result not OK."); return; } Cursor cursor = null; try { cursor = getContentResolver().query(data.getData(), new String[] { CommonDataKinds.Phone.NUMBER }, null, null, null); if ((cursor == null) || (!cursor.moveToFirst())) { if (DBG) log("onActivityResult: bad contact data, no results found."); return; } if (mSubMenuVoicemailSettings != null) { mSubMenuVoicemailSettings.onPickActivityResult(cursor.getString(0)); } else { Log.w(LOG_TAG, "VoicemailSettingsActivity destroyed while setting contacts."); } return; } finally { if (cursor != null) { cursor.close(); } } } super.onActivityResult(requestCode, resultCode, data); } /** * Simulates user clicking on a passed preference. * Usually needed when the preference is a dialog preference and we want to invoke * a dialog for this preference programmatically. * TODO: figure out if there is a cleaner way to cause preference dlg to come up */ private void simulatePreferenceClick(Preference preference) { // Go through settings until we find our setting // and then simulate a click on it to bring up the dialog final ListAdapter adapter = getPreferenceScreen().getRootAdapter(); for (int idx = 0; idx < adapter.getCount(); idx++) { if (adapter.getItem(idx) == preference) { getPreferenceScreen().onItemClick(this.getListView(), null, idx, adapter.getItemId(idx)); break; } } } /** * Get the boolean config from carrier config manager. * * @param key config key defined in CarrierConfigManager * @return boolean value of corresponding key. */ private boolean getBooleanCarrierConfig(String key) { PersistableBundle b = PhoneGlobals.getInstance() .getCarrierConfigForSubId(mPhone.getSubId()); if (b == null) { b = PhoneGlobals.getInstance().getCarrierConfig(); } return b.getBoolean(key); } //********************************************************************************************* // Activity Dialog Methods //********************************************************************************************* @Override protected void onPrepareDialog(int id, Dialog dialog) { super.onPrepareDialog(id, dialog); mCurrentDialogId = id; } // dialog creation method, called by showDialog() @Override protected Dialog onCreateDialog(int dialogId) { return VoicemailDialogUtil.getDialog(this, dialogId); } @Override public void onDialogClosed(EditPhoneNumberPreference preference, int buttonClicked) { if (DBG) log("onDialogClosed: Button clicked is " + buttonClicked); if (buttonClicked == DialogInterface.BUTTON_NEGATIVE) { return; } if (preference == mSubMenuVoicemailSettings) { VoicemailProviderSettings newSettings = new VoicemailProviderSettings( mSubMenuVoicemailSettings.getPhoneNumber(), VoicemailProviderSettings.NO_FORWARDING); saveVoiceMailAndForwardingNumber(mVoicemailProviders.getKey(), newSettings); } } /** * Wrapper around showDialog() that will silently do nothing if we're * not in the foreground. * * This is useful here because most of the dialogs we display from * this class are triggered by asynchronous events (like * success/failure messages from the telephony layer) and it's * possible for those events to come in even after the user has gone * to a different screen. */ // TODO: this is too brittle: it's still easy to accidentally add new // code here that calls showDialog() directly (which will result in a // WindowManager$BadTokenException if called after the activity has // been stopped.) // // It would be cleaner to do the "if (mForeground)" check in one // central place, maybe by using a single Handler for all asynchronous // events (and have *that* discard events if we're not in the // foreground.) // // Unfortunately it's not that simple, since we sometimes need to do // actual work to handle these events whether or not we're in the // foreground (see the Handler code in mSetOptionComplete for // example.) // // TODO: It's a bit worrisome that we don't do anything in error cases when we're not in the // foreground. Consider displaying a toast instead. private void showDialogIfForeground(int id) { if (mForeground) { showDialog(id); } } private void dismissDialogSafely(int id) { try { dismissDialog(id); } catch (IllegalArgumentException e) { // This is expected in the case where we were in the background // at the time we would normally have shown the dialog, so we didn't // show it. } } // This is a method implemented for DialogInterface.OnClickListener. // Used with the error dialog to close the app, voicemail dialog to just dismiss. // Close button is mapped to BUTTON_POSITIVE for the errors that close the activity, // while those that are mapped to BUTTON_NEUTRAL only move the preference focus. public void onClick(DialogInterface dialog, int which) { if (DBG) log("onClick: button clicked is " + which); dialog.dismiss(); switch (which){ case DialogInterface.BUTTON_NEGATIVE: if (mCurrentDialogId == VoicemailDialogUtil.FWD_GET_RESPONSE_ERROR_DIALOG) { // We failed to get current forwarding settings and the user // does not wish to continue. switchToPreviousVoicemailProvider(); } break; case DialogInterface.BUTTON_POSITIVE: if (mCurrentDialogId == VoicemailDialogUtil.FWD_GET_RESPONSE_ERROR_DIALOG) { // We failed to get current forwarding settings but the user // wishes to continue changing settings to the new vm provider setVoicemailNumberWithCarrier(); } else { finish(); } return; default: // just let the dialog close and go back to the input } // In all dialogs, all buttons except BUTTON_POSITIVE lead to the end of user interaction // with settings UI. If we were called to explicitly configure voice mail then // we finish the settings activity here to come back to whatever the user was doing. final String action = getIntent() != null ? getIntent().getAction() : null; if (ACTION_ADD_VOICEMAIL.equals(action)) { finish(); } } //********************************************************************************************* // Voicemail Methods //********************************************************************************************* /** * TODO: Refactor to make it easier to understand what's done in the different stages. */ private void saveVoiceMailAndForwardingNumber( String key, VoicemailProviderSettings newSettings) { if (DBG) log("saveVoiceMailAndForwardingNumber: " + newSettings.toString()); mNewVMNumber = newSettings.getVoicemailNumber(); mNewVMNumber = (mNewVMNumber == null) ? "" : mNewVMNumber; mNewFwdSettings = newSettings.getForwardingSettings(); // Call forwarding is not suppported on CDMA. if (mPhone.getPhoneType() == PhoneConstants.PHONE_TYPE_CDMA) { if (DBG) log("Ignoring forwarding setting since this is CDMA phone"); mNewFwdSettings = VoicemailProviderSettings.NO_FORWARDING; } // Throw a warning if the voicemail is the same and we did not change forwarding. if (mNewVMNumber.equals(mOldVmNumber) && mNewFwdSettings == VoicemailProviderSettings.NO_FORWARDING) { showDialogIfForeground(VoicemailDialogUtil.VM_NOCHANGE_ERROR_DIALOG); return; } VoicemailProviderSettingsUtil.save(this, key, newSettings); mVMChangeCompletedSuccessfully = false; mFwdChangesRequireRollback = false; mVMOrFwdSetError = 0; if (mNewFwdSettings == VoicemailProviderSettings.NO_FORWARDING || key.equals(mPreviousVMProviderKey)) { if (DBG) log("Set voicemail number. No changes to forwarding number."); setVoicemailNumberWithCarrier(); } else { if (DBG) log("Reading current forwarding settings."); int numSettingsReasons = VoicemailProviderSettings.FORWARDING_SETTINGS_REASONS.length; mForwardingReadResults = new CallForwardInfo[numSettingsReasons]; for (int i = 0; i < mForwardingReadResults.length; i++) { mPhone.getCallForwardingOption( VoicemailProviderSettings.FORWARDING_SETTINGS_REASONS[i], CommandsInterface.SERVICE_CLASS_VOICE, mGetOptionComplete.obtainMessage(EVENT_FORWARDING_GET_COMPLETED, i, 0)); } showDialogIfForeground(VoicemailDialogUtil.VM_FWD_READING_DIALOG); } } private final Handler mGetOptionComplete = new Handler() { @Override public void handleMessage(Message msg) { AsyncResult result = (AsyncResult) msg.obj; switch (msg.what) { case EVENT_FORWARDING_GET_COMPLETED: handleForwardingSettingsReadResult(result, msg.arg1); break; } } }; private void handleForwardingSettingsReadResult(AsyncResult ar, int idx) { if (DBG) Log.d(LOG_TAG, "handleForwardingSettingsReadResult: " + idx); Throwable error = null; if (ar.exception != null) { error = ar.exception; if (DBG) Log.d(LOG_TAG, "FwdRead: ar.exception=" + error.getMessage()); } if (ar.userObj instanceof Throwable) { error = (Throwable) ar.userObj; if (DBG) Log.d(LOG_TAG, "FwdRead: userObj=" + error.getMessage()); } // We may have already gotten an error and decided to ignore the other results. if (mForwardingReadResults == null) { if (DBG) Log.d(LOG_TAG, "Ignoring fwd reading result: " + idx); return; } // In case of error ignore other results, show an error dialog if (error != null) { if (DBG) Log.d(LOG_TAG, "Error discovered for fwd read : " + idx); mForwardingReadResults = null; dismissDialogSafely(VoicemailDialogUtil.VM_FWD_READING_DIALOG); showDialogIfForeground(VoicemailDialogUtil.FWD_GET_RESPONSE_ERROR_DIALOG); return; } // Get the forwarding info. mForwardingReadResults[idx] = CallForwardInfoUtil.getCallForwardInfo( (CallForwardInfo[]) ar.result, VoicemailProviderSettings.FORWARDING_SETTINGS_REASONS[idx]); // Check if we got all the results already boolean done = true; for (int i = 0; i < mForwardingReadResults.length; i++) { if (mForwardingReadResults[i] == null) { done = false; break; } } if (done) { if (DBG) Log.d(LOG_TAG, "Done receiving fwd info"); dismissDialogSafely(VoicemailDialogUtil.VM_FWD_READING_DIALOG); if (mPreviousVMProviderKey.equals(VoicemailProviderListPreference.DEFAULT_KEY)) { VoicemailProviderSettingsUtil.save(mPhone.getContext(), VoicemailProviderListPreference.DEFAULT_KEY, new VoicemailProviderSettings(mOldVmNumber, mForwardingReadResults)); } saveVoiceMailAndForwardingNumberStage2(); } } private void resetForwardingChangeState() { mForwardingChangeResults = new HashMap(); mExpectedChangeResultReasons = new HashSet(); } // Called after we are done saving the previous forwarding settings if we needed. private void saveVoiceMailAndForwardingNumberStage2() { mForwardingChangeResults = null; mVoicemailChangeResult = null; resetForwardingChangeState(); for (int i = 0; i < mNewFwdSettings.length; i++) { CallForwardInfo fi = mNewFwdSettings[i]; CallForwardInfo fiForReason = CallForwardInfoUtil.infoForReason(mForwardingReadResults, fi.reason); final boolean doUpdate = CallForwardInfoUtil.isUpdateRequired(fiForReason, fi); if (doUpdate) { if (DBG) log("Setting fwd #: " + i + ": " + fi.toString()); mExpectedChangeResultReasons.add(i); CallForwardInfoUtil.setCallForwardingOption(mPhone, fi, mSetOptionComplete.obtainMessage( EVENT_FORWARDING_CHANGED, fi.reason, 0)); } } showDialogIfForeground(VoicemailDialogUtil.VM_FWD_SAVING_DIALOG); } /** * Callback to handle option update completions */ private final Handler mSetOptionComplete = new Handler() { @Override public void handleMessage(Message msg) { AsyncResult result = (AsyncResult) msg.obj; boolean done = false; switch (msg.what) { case EVENT_VOICEMAIL_CHANGED: mVoicemailChangeResult = result; mVMChangeCompletedSuccessfully = isVmChangeSuccess(); PhoneGlobals.getInstance().refreshMwiIndicator( mSubscriptionInfoHelper.getSubId()); done = true; break; case EVENT_FORWARDING_CHANGED: mForwardingChangeResults.put(msg.arg1, result); if (result.exception != null) { Log.w(LOG_TAG, "Error in setting fwd# " + msg.arg1 + ": " + result.exception.getMessage()); } if (isForwardingCompleted()) { if (isFwdChangeSuccess()) { if (DBG) log("Overall fwd changes completed ok, starting vm change"); setVoicemailNumberWithCarrier(); } else { Log.w(LOG_TAG, "Overall fwd changes completed in failure. " + "Check if we need to try rollback for some settings."); mFwdChangesRequireRollback = false; Iterator> it = mForwardingChangeResults.entrySet().iterator(); while (it.hasNext()) { Map.Entry entry = it.next(); if (entry.getValue().exception == null) { // If at least one succeeded we have to revert Log.i(LOG_TAG, "Rollback will be required"); mFwdChangesRequireRollback = true; break; } } if (!mFwdChangesRequireRollback) { Log.i(LOG_TAG, "No rollback needed."); } done = true; } } break; default: // TODO: should never reach this, may want to throw exception } if (done) { if (DBG) log("All VM provider related changes done"); if (mForwardingChangeResults != null) { dismissDialogSafely(VoicemailDialogUtil.VM_FWD_SAVING_DIALOG); } handleSetVmOrFwdMessage(); } } }; /** * Callback to handle option revert completions */ private final Handler mRevertOptionComplete = new Handler() { @Override public void handleMessage(Message msg) { AsyncResult result = (AsyncResult) msg.obj; switch (msg.what) { case EVENT_VOICEMAIL_CHANGED: if (DBG) log("VM revert complete msg"); mVoicemailChangeResult = result; break; case EVENT_FORWARDING_CHANGED: if (DBG) log("FWD revert complete msg "); mForwardingChangeResults.put(msg.arg1, result); if (result.exception != null) { if (DBG) log("Error in reverting fwd# " + msg.arg1 + ": " + result.exception.getMessage()); } break; default: // TODO: should never reach this, may want to throw exception } final boolean done = (!mVMChangeCompletedSuccessfully || mVoicemailChangeResult != null) && (!mFwdChangesRequireRollback || isForwardingCompleted()); if (done) { if (DBG) log("All VM reverts done"); dismissDialogSafely(VoicemailDialogUtil.VM_REVERTING_DIALOG); onRevertDone(); } } }; private void setVoicemailNumberWithCarrier() { if (DBG) log("save voicemail #: " + mNewVMNumber); mVoicemailChangeResult = null; mPhone.setVoiceMailNumber( mPhone.getVoiceMailAlphaTag().toString(), mNewVMNumber, Message.obtain(mSetOptionComplete, EVENT_VOICEMAIL_CHANGED)); } private void switchToPreviousVoicemailProvider() { if (DBG) log("switchToPreviousVoicemailProvider " + mPreviousVMProviderKey); if (mPreviousVMProviderKey == null) { return; } if (mVMChangeCompletedSuccessfully || mFwdChangesRequireRollback) { showDialogIfForeground(VoicemailDialogUtil.VM_REVERTING_DIALOG); final VoicemailProviderSettings prevSettings = VoicemailProviderSettingsUtil.load(this, mPreviousVMProviderKey); if (prevSettings == null) { Log.e(LOG_TAG, "VoicemailProviderSettings for the key \"" + mPreviousVMProviderKey + "\" is null but should be loaded."); return; } if (mVMChangeCompletedSuccessfully) { mNewVMNumber = prevSettings.getVoicemailNumber(); Log.i(LOG_TAG, "VM change is already completed successfully." + "Have to revert VM back to " + mNewVMNumber + " again."); mPhone.setVoiceMailNumber( mPhone.getVoiceMailAlphaTag().toString(), mNewVMNumber, Message.obtain(mRevertOptionComplete, EVENT_VOICEMAIL_CHANGED)); } if (mFwdChangesRequireRollback) { Log.i(LOG_TAG, "Requested to rollback forwarding changes."); final CallForwardInfo[] prevFwdSettings = prevSettings.getForwardingSettings(); if (prevFwdSettings != null) { Map results = mForwardingChangeResults; resetForwardingChangeState(); for (int i = 0; i < prevFwdSettings.length; i++) { CallForwardInfo fi = prevFwdSettings[i]; if (DBG) log("Reverting fwd #: " + i + ": " + fi.toString()); // Only revert the settings for which the update succeeded. AsyncResult result = results.get(fi.reason); if (result != null && result.exception == null) { mExpectedChangeResultReasons.add(fi.reason); CallForwardInfoUtil.setCallForwardingOption(mPhone, fi, mRevertOptionComplete.obtainMessage( EVENT_FORWARDING_CHANGED, i, 0)); } } } } } else { if (DBG) log("No need to revert"); onRevertDone(); } } //********************************************************************************************* // Voicemail Handler Helpers //********************************************************************************************* /** * Updates the look of the VM preference widgets based on current VM provider settings. * Note that the provider name is loaded fxrorm the found activity via loadLabel in * {@link VoicemailProviderListPreference#initVoiceMailProviders()} in order for it to be * localizable. */ private void updateVMPreferenceWidgets(String currentProviderSetting) { final String key = currentProviderSetting; final VoicemailProviderListPreference.VoicemailProvider provider = mVoicemailProviders.getVoicemailProvider(key); /* This is the case when we are coming up on a freshly wiped phone and there is no persisted value for the list preference mVoicemailProviders. In this case we want to show the UI asking the user to select a voicemail provider as opposed to silently falling back to default one. */ if (provider == null) { if (DBG) log("updateVMPreferenceWidget: key: " + key + " -> null."); mVoicemailProviders.setSummary(getString(R.string.sum_voicemail_choose_provider)); mVoicemailSettings.setEnabled(false); mVoicemailSettings.setIntent(null); } else { if (DBG) log("updateVMPreferenceWidget: key: " + key + " -> " + provider.toString()); final String providerName = provider.name; mVoicemailProviders.setSummary(providerName); mVoicemailSettings.setEnabled(true); mVoicemailSettings.setIntent(provider.intent); } } /** * Update the voicemail number from what we've recorded on the sim. */ private void updateVoiceNumberField() { if (DBG) log("updateVoiceNumberField()"); mOldVmNumber = mPhone.getVoiceMailNumber(); if (TextUtils.isEmpty(mOldVmNumber)) { mSubMenuVoicemailSettings.setPhoneNumber(""); mSubMenuVoicemailSettings.setSummary(getString(R.string.voicemail_number_not_set)); } else { mSubMenuVoicemailSettings.setPhoneNumber(mOldVmNumber); mSubMenuVoicemailSettings.setSummary(BidiFormatter.getInstance().unicodeWrap( mOldVmNumber, TextDirectionHeuristics.LTR)); } } private void handleSetVmOrFwdMessage() { if (DBG) log("handleSetVMMessage: set VM request complete"); if (!isFwdChangeSuccess()) { handleVmOrFwdSetError(VoicemailDialogUtil.FWD_SET_RESPONSE_ERROR_DIALOG); } else if (!isVmChangeSuccess()) { handleVmOrFwdSetError(VoicemailDialogUtil.VM_RESPONSE_ERROR_DIALOG); } else { handleVmAndFwdSetSuccess(VoicemailDialogUtil.VM_CONFIRM_DIALOG); } } /** * Called when Voicemail Provider or its forwarding settings failed. Rolls back partly made * changes to those settings and show "failure" dialog. * * @param dialogId ID of the dialog to show for the specific error case. Either * {@link #FWD_SET_RESPONSE_ERROR_DIALOG} or {@link #VM_RESPONSE_ERROR_DIALOG} */ private void handleVmOrFwdSetError(int dialogId) { if (mChangingVMorFwdDueToProviderChange) { mVMOrFwdSetError = dialogId; mChangingVMorFwdDueToProviderChange = false; switchToPreviousVoicemailProvider(); return; } mChangingVMorFwdDueToProviderChange = false; showDialogIfForeground(dialogId); updateVoiceNumberField(); } /** * Called when Voicemail Provider and its forwarding settings were successfully finished. * This updates a bunch of variables and show "success" dialog. */ private void handleVmAndFwdSetSuccess(int dialogId) { if (DBG) log("handleVmAndFwdSetSuccess: key is " + mVoicemailProviders.getKey()); mPreviousVMProviderKey = mVoicemailProviders.getKey(); mChangingVMorFwdDueToProviderChange = false; showDialogIfForeground(dialogId); updateVoiceNumberField(); } private void onRevertDone() { if (DBG) log("onRevertDone: Changing provider key back to " + mPreviousVMProviderKey); updateVMPreferenceWidgets(mPreviousVMProviderKey); updateVoiceNumberField(); if (mVMOrFwdSetError != 0) { showDialogIfForeground(mVMOrFwdSetError); mVMOrFwdSetError = 0; } } //********************************************************************************************* // Voicemail State Helpers //********************************************************************************************* /** * Return true if there is a change result for every reason for which we expect a result. */ private boolean isForwardingCompleted() { if (mForwardingChangeResults == null) { return true; } for (Integer reason : mExpectedChangeResultReasons) { if (mForwardingChangeResults.get(reason) == null) { return false; } } return true; } private boolean isFwdChangeSuccess() { if (mForwardingChangeResults == null) { return true; } for (AsyncResult result : mForwardingChangeResults.values()) { Throwable exception = result.exception; if (exception != null) { String msg = exception.getMessage(); msg = (msg != null) ? msg : ""; Log.w(LOG_TAG, "Failed to change forwarding setting. Reason: " + msg); return false; } } return true; } private boolean isVmChangeSuccess() { if (mVoicemailChangeResult.exception != null) { String msg = mVoicemailChangeResult.exception.getMessage(); msg = (msg != null) ? msg : ""; Log.w(LOG_TAG, "Failed to change voicemail. Reason: " + msg); return false; } return true; } private static void log(String msg) { Log.d(LOG_TAG, msg); } }