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/**
* 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<Integer, AsyncResult> 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<Integer> 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<Integer, AsyncResult>();
mExpectedChangeResultReasons = new HashSet<Integer>();
}
// 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<Map.Entry<Integer,AsyncResult>> it =
mForwardingChangeResults.entrySet().iterator();
while (it.hasNext()) {
Map.Entry<Integer,AsyncResult> 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<Integer, AsyncResult> 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);
}
}