/*
* Copyright (C) 2007 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.contacts;
import com.android.internal.telephony.ITelephony;
import com.android.phone.CallLogAsync;
import com.android.phone.HapticFeedback;
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.Drawable;
import android.media.AudioManager;
import android.media.ToneGenerator;
import android.net.Uri;
import android.os.Bundle;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.SystemClock;
import android.provider.Settings;
import android.provider.Contacts.People;
import android.provider.Contacts.Phones;
import android.provider.Contacts.PhonesColumns;
import android.provider.Contacts.Intents.Insert;
import android.telephony.PhoneNumberFormattingTextWatcher;
import android.telephony.PhoneNumberUtils;
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;
import android.text.Editable;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.text.method.DialerKeyListener;
import android.util.Log;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewConfiguration;
import android.view.ViewGroup;
import android.view.Window;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
/**
* Dialer activity that displays the typical twelve key interface.
*/
@SuppressWarnings("deprecation")
public class TwelveKeyDialer extends Activity implements View.OnClickListener,
View.OnLongClickListener, View.OnKeyListener,
AdapterView.OnItemClickListener, TextWatcher {
private static final String EMPTY_NUMBER = "";
private static final String TAG = "TwelveKeyDialer";
/** The length of DTMF tones in milliseconds */
private static final int TONE_LENGTH_MS = 150;
/** The DTMF tone volume relative to other sounds in the stream */
private static final int TONE_RELATIVE_VOLUME = 80;
/** Stream type used to play the DTMF tones off call, and mapped to the volume control keys */
private static final int DIAL_TONE_STREAM_TYPE = AudioManager.STREAM_MUSIC;
private EditText mDigits;
private View mDelete;
private MenuItem mAddToContactMenuItem;
private ToneGenerator mToneGenerator;
private Object mToneGeneratorLock = new Object();
private Drawable mDigitsBackground;
private Drawable mDigitsEmptyBackground;
private View mDialpad;
private View mVoicemailDialAndDeleteRow;
private View mVoicemailButton;
private View mDialButton;
private ListView mDialpadChooser;
private DialpadChooserAdapter mDialpadChooserAdapter;
//Member variables for dialpad options
private MenuItem m2SecPauseMenuItem;
private MenuItem mWaitMenuItem;
private static final int MENU_ADD_CONTACTS = 1;
private static final int MENU_2S_PAUSE = 2;
private static final int MENU_WAIT = 3;
// Last number dialed, retrieved asynchronously from the call DB
// in onCreate. This number is displayed when the user hits the
// send key and cleared in onPause.
CallLogAsync mCallLog = new CallLogAsync();
private String mLastNumberDialed = EMPTY_NUMBER;
// determines if we want to playback local DTMF tones.
private boolean mDTMFToneEnabled;
// Vibration (haptic feedback) for dialer key presses.
private HapticFeedback mHaptic = new HapticFeedback();
/** Identifier for the "Add Call" intent extra. */
static final String ADD_CALL_MODE_KEY = "add_call_mode";
/**
* Identifier for intent extra for sending an empty Flash message for
* CDMA networks. This message is used by the network to simulate a
* press/depress of the "hookswitch" of a landline phone. Aka "empty flash".
*
* TODO: Using an intent extra to tell the phone to send this flash is a
* temporary measure. To be replaced with an ITelephony call in the future.
* TODO: Keep in sync with the string defined in OutgoingCallBroadcaster.java
* in Phone app until this is replaced with the ITelephony API.
*/
static final String EXTRA_SEND_EMPTY_FLASH
= "com.android.phone.extra.SEND_EMPTY_FLASH";
/** Indicates if we are opening this dialer to add a call from the InCallScreen. */
private boolean mIsAddCallMode;
PhoneStateListener mPhoneStateListener = new PhoneStateListener() {
/**
* Listen for phone state changes so that we can take down the
* "dialpad chooser" if the phone becomes idle while the
* chooser UI is visible.
*/
@Override
public void onCallStateChanged(int state, String incomingNumber) {
// Log.i(TAG, "PhoneStateListener.onCallStateChanged: "
// + state + ", '" + incomingNumber + "'");
if ((state == TelephonyManager.CALL_STATE_IDLE) && dialpadChooserVisible()) {
// Log.i(TAG, "Call ended with dialpad chooser visible! Taking it down...");
// Note there's a race condition in the UI here: the
// dialpad chooser could conceivably disappear (on its
// own) at the exact moment the user was trying to select
// one of the choices, which would be confusing. (But at
// least that's better than leaving the dialpad chooser
// onscreen, but useless...)
showDialpadChooser(false);
}
}
};
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
// Do nothing
}
public void onTextChanged(CharSequence input, int start, int before, int changeCount) {
// Do nothing
// DTMF Tones do not need to be played here any longer -
// the DTMF dialer handles that functionality now.
}
public void afterTextChanged(Editable input) {
if (SpecialCharSequenceMgr.handleChars(this, input.toString(), mDigits)) {
// A special sequence was entered, clear the digits
mDigits.getText().clear();
}
if (!isDigitsEmpty()) {
mDigits.setBackgroundDrawable(mDigitsBackground);
} else {
mDigits.setCursorVisible(false);
mDigits.setBackgroundDrawable(mDigitsEmptyBackground);
}
updateDialAndDeleteButtonEnabledState();
}
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
Resources r = getResources();
// Do not show title in the case the device is in carmode.
if ((r.getConfiguration().uiMode & Configuration.UI_MODE_TYPE_MASK) ==
Configuration.UI_MODE_TYPE_CAR) {
requestWindowFeature(Window.FEATURE_NO_TITLE);
}
// Set the content view
setContentView(getContentViewResource());
// Load up the resources for the text field.
mDigitsBackground = r.getDrawable(R.drawable.btn_dial_textfield_active);
mDigitsEmptyBackground = r.getDrawable(R.drawable.btn_dial_textfield);
mDigits = (EditText) findViewById(R.id.digits);
mDigits.setKeyListener(DialerKeyListener.getInstance());
mDigits.setOnClickListener(this);
mDigits.setOnKeyListener(this);
maybeAddNumberFormatting();
// Check for the presence of the keypad
View view = findViewById(R.id.one);
if (view != null) {
setupKeypad();
}
mVoicemailDialAndDeleteRow = findViewById(R.id.voicemailAndDialAndDelete);
initVoicemailButton();
// Check whether we should show the onscreen "Dial" button.
mDialButton = mVoicemailDialAndDeleteRow.findViewById(R.id.dialButton);
if (r.getBoolean(R.bool.config_show_onscreen_dial_button)) {
mDialButton.setOnClickListener(this);
} else {
mDialButton.setVisibility(View.GONE); // It's VISIBLE by default
mDialButton = null;
}
view = mVoicemailDialAndDeleteRow.findViewById(R.id.deleteButton);
view.setOnClickListener(this);
view.setOnLongClickListener(this);
mDelete = view;
mDialpad = findViewById(R.id.dialpad); // This is null in landscape mode.
// In landscape we put the keyboard in phone mode.
// In portrait we prevent the soft keyboard to show since the
// dialpad acts as one already.
if (null == mDialpad) {
mDigits.setInputType(android.text.InputType.TYPE_CLASS_PHONE);
} else {
mDigits.setInputType(android.text.InputType.TYPE_NULL);
}
// Set up the "dialpad chooser" UI; see showDialpadChooser().
mDialpadChooser = (ListView) findViewById(R.id.dialpadChooser);
mDialpadChooser.setOnItemClickListener(this);
if (!resolveIntent() && icicle != null) {
super.onRestoreInstanceState(icicle);
}
try {
mHaptic.init(this, r.getBoolean(R.bool.config_enable_dialer_key_vibration));
} catch (Resources.NotFoundException nfe) {
Log.e(TAG, "Vibrate control bool missing.", nfe);
}
}
@Override
protected void onRestoreInstanceState(Bundle icicle) {
// Do nothing, state is restored in onCreate() if needed
}
protected void maybeAddNumberFormatting() {
mDigits.addTextChangedListener(new PhoneNumberFormattingTextWatcher());
}
/**
* Overridden by subclasses to control the resource used by the content view.
*/
protected int getContentViewResource() {
return R.layout.twelve_key_dialer;
}
private boolean resolveIntent() {
boolean ignoreState = false;
// Find the proper intent
final Intent intent;
if (isChild()) {
intent = getParent().getIntent();
ignoreState = intent.getBooleanExtra(DialtactsActivity.EXTRA_IGNORE_STATE, false);
} else {
intent = getIntent();
}
// Log.i(TAG, "==> resolveIntent(): intent: " + intent);
// by default we are not adding a call.
mIsAddCallMode = false;
// By default we don't show the "dialpad chooser" UI.
boolean needToShowDialpadChooser = false;
// Resolve the intent
final String action = intent.getAction();
if (Intent.ACTION_DIAL.equals(action) || Intent.ACTION_VIEW.equals(action)) {
// see if we are "adding a call" from the InCallScreen; false by default.
mIsAddCallMode = intent.getBooleanExtra(ADD_CALL_MODE_KEY, false);
Uri uri = intent.getData();
if (uri != null) {
if ("tel".equals(uri.getScheme())) {
// Put the requested number into the input area
String data = uri.getSchemeSpecificPart();
setFormattedDigits(data);
} else {
String type = intent.getType();
if (People.CONTENT_ITEM_TYPE.equals(type)
|| Phones.CONTENT_ITEM_TYPE.equals(type)) {
// Query the phone number
Cursor c = getContentResolver().query(intent.getData(),
new String[] {PhonesColumns.NUMBER}, null, null, null);
if (c != null) {
if (c.moveToFirst()) {
// Put the number into the input area
setFormattedDigits(c.getString(0));
}
c.close();
}
}
}
}
} else if (Intent.ACTION_MAIN.equals(action)) {
// The MAIN action means we're bringing up a blank dialer
// (e.g. by selecting the Home shortcut, or tabbing over from
// Contacts or Call log.)
//
// At this point, IF there's already an active call, there's a
// good chance that the user got here accidentally (but really
// wanted the in-call dialpad instead). So we bring up an
// intermediate UI to make the user confirm what they really
// want to do.
if (phoneIsInUse()) {
// Log.i(TAG, "resolveIntent(): phone is in use; showing dialpad chooser!");
needToShowDialpadChooser = true;
}
}
// Bring up the "dialpad chooser" IFF we need to make the user
// confirm which dialpad they really want.
showDialpadChooser(needToShowDialpadChooser);
return ignoreState;
}
protected void setFormattedDigits(String data) {
// strip the non-dialable numbers out of the data string.
String dialString = PhoneNumberUtils.extractNetworkPortion(data);
dialString = PhoneNumberUtils.formatNumber(dialString);
if (!TextUtils.isEmpty(dialString)) {
Editable digits = mDigits.getText();
digits.replace(0, digits.length(), dialString);
// for some reason this isn't getting called in the digits.replace call above..
// but in any case, this will make sure the background drawable looks right
afterTextChanged(digits);
}
}
@Override
protected void onNewIntent(Intent newIntent) {
setIntent(newIntent);
resolveIntent();
}
@Override
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
// This can't be done in onCreate(), since the auto-restoring of the digits
// will play DTMF tones for all the old digits if it is when onRestoreSavedInstanceState()
// is called. This method will be called every time the activity is created, and
// will always happen after onRestoreSavedInstanceState().
mDigits.addTextChangedListener(this);
}
private void setupKeypad() {
// Setup the listeners for the buttons
View view = findViewById(R.id.one);
view.setOnClickListener(this);
view.setOnLongClickListener(this);
findViewById(R.id.two).setOnClickListener(this);
findViewById(R.id.three).setOnClickListener(this);
findViewById(R.id.four).setOnClickListener(this);
findViewById(R.id.five).setOnClickListener(this);
findViewById(R.id.six).setOnClickListener(this);
findViewById(R.id.seven).setOnClickListener(this);
findViewById(R.id.eight).setOnClickListener(this);
findViewById(R.id.nine).setOnClickListener(this);
findViewById(R.id.star).setOnClickListener(this);
view = findViewById(R.id.zero);
view.setOnClickListener(this);
view.setOnLongClickListener(this);
findViewById(R.id.pound).setOnClickListener(this);
}
@Override
protected void onResume() {
super.onResume();
// Query the last dialed number. Do it first because hitting
// the DB is 'slow'. This call is asynchronous.
queryLastOutgoingCall();
// retrieve the DTMF tone play back setting.
mDTMFToneEnabled = Settings.System.getInt(getContentResolver(),
Settings.System.DTMF_TONE_WHEN_DIALING, 1) == 1;
// Retrieve the haptic feedback setting.
mHaptic.checkSystemSetting();
// if the mToneGenerator creation fails, just continue without it. It is
// a local audio signal, and is not as important as the dtmf tone itself.
synchronized(mToneGeneratorLock) {
if (mToneGenerator == null) {
try {
// we want the user to be able to control the volume of the dial tones
// outside of a call, so we use the stream type that is also mapped to the
// volume control keys for this activity
mToneGenerator = new ToneGenerator(DIAL_TONE_STREAM_TYPE, TONE_RELATIVE_VOLUME);
setVolumeControlStream(DIAL_TONE_STREAM_TYPE);
} catch (RuntimeException e) {
Log.w(TAG, "Exception caught while creating local tone generator: " + e);
mToneGenerator = null;
}
}
}
Activity parent = getParent();
// See if we were invoked with a DIAL intent. If we were, fill in the appropriate
// digits in the dialer field.
if (parent != null && parent instanceof DialtactsActivity) {
Uri dialUri = ((DialtactsActivity) parent).getAndClearDialUri();
if (dialUri != null) {
resolveIntent();
}
}
// While we're in the foreground, listen for phone state changes,
// purely so that we can take down the "dialpad chooser" if the
// phone becomes idle while the chooser UI is visible.
TelephonyManager telephonyManager = (TelephonyManager) getSystemService(TELEPHONY_SERVICE);
telephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
// Potentially show hint text in the mDigits field when the user
// hasn't typed any digits yet. (If there's already an active call,
// this hint text will remind the user that he's about to add a new
// call.)
//
// TODO: consider adding better UI for the case where *both* lines
// are currently in use. (Right now we let the user try to add
// another call, but that call is guaranteed to fail. Perhaps the
// entire dialer UI should be disabled instead.)
if (phoneIsInUse()) {
mDigits.setHint(R.string.dialerDialpadHintText);
} else {
// Common case; no hint necessary.
mDigits.setHint(null);
// Also, a sanity-check: the "dialpad chooser" UI should NEVER
// be visible if the phone is idle!
showDialpadChooser(false);
}
updateDialAndDeleteButtonEnabledState();
}
@Override
public void onWindowFocusChanged(boolean hasFocus) {
if (hasFocus) {
// Hide soft keyboard, if visible (it's fugly over button dialer).
// The only known case where this will be true is when launching the dialer with
// ACTION_DIAL via a soft keyboard. we dismiss it here because we don't
// have a window token yet in onCreate / onNewIntent
InputMethodManager inputMethodManager = (InputMethodManager)
getSystemService(Context.INPUT_METHOD_SERVICE);
inputMethodManager.hideSoftInputFromWindow(mDigits.getWindowToken(), 0);
}
}
@Override
protected void onPause() {
super.onPause();
// Stop listening for phone state changes.
TelephonyManager telephonyManager = (TelephonyManager) getSystemService(TELEPHONY_SERVICE);
telephonyManager.listen(mPhoneStateListener, PhoneStateListener.LISTEN_NONE);
synchronized(mToneGeneratorLock) {
if (mToneGenerator != null) {
mToneGenerator.release();
mToneGenerator = null;
}
}
// TODO: I wonder if we should not check if the AsyncTask that
// lookup the last dialed number has completed.
mLastNumberDialed = EMPTY_NUMBER; // Since we are going to query again, free stale number.
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
mAddToContactMenuItem = menu.add(0, MENU_ADD_CONTACTS, 0, R.string.recentCalls_addToContact)
.setIcon(android.R.drawable.ic_menu_add);
m2SecPauseMenuItem = menu.add(0, MENU_2S_PAUSE, 0, R.string.add_2sec_pause)
.setIcon(R.drawable.ic_menu_2sec_pause);
mWaitMenuItem = menu.add(0, MENU_WAIT, 0, R.string.add_wait)
.setIcon(R.drawable.ic_menu_wait);
return true;
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
// We never show a menu if the "choose dialpad" UI is up.
if (dialpadChooserVisible()) {
return false;
}
if (isDigitsEmpty()) {
mAddToContactMenuItem.setVisible(false);
m2SecPauseMenuItem.setVisible(false);
mWaitMenuItem.setVisible(false);
} else {
CharSequence digits = mDigits.getText();
// Put the current digits string into an intent
Intent intent = new Intent(Intent.ACTION_INSERT_OR_EDIT);
intent.putExtra(Insert.PHONE, digits);
intent.setType(People.CONTENT_ITEM_TYPE);
mAddToContactMenuItem.setIntent(intent);
mAddToContactMenuItem.setVisible(true);
// Check out whether to show Pause & Wait option menu items
int selectionStart;
int selectionEnd;
String strDigits = digits.toString();
selectionStart = mDigits.getSelectionStart();
selectionEnd = mDigits.getSelectionEnd();
if (selectionStart != -1) {
if (selectionStart > selectionEnd) {
// swap it as we want start to be less then end
int tmp = selectionStart;
selectionStart = selectionEnd;
selectionEnd = tmp;
}
if (selectionStart != 0) {
// Pause can be visible if cursor is not in the begining
m2SecPauseMenuItem.setVisible(true);
// For Wait to be visible set of condition to meet
mWaitMenuItem.setVisible(showWait(selectionStart,
selectionEnd, strDigits));
} else {
// cursor in the beginning both pause and wait to be invisible
m2SecPauseMenuItem.setVisible(false);
mWaitMenuItem.setVisible(false);
}
} else {
// cursor is not selected so assume new digit is added to the end
int strLength = strDigits.length();
mWaitMenuItem.setVisible(showWait(strLength,
strLength, strDigits));
}
}
return true;
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_CALL: {
long callPressDiff = SystemClock.uptimeMillis() - event.getDownTime();
if (callPressDiff >= ViewConfiguration.getLongPressTimeout()) {
// Launch voice dialer
Intent intent = new Intent(Intent.ACTION_VOICE_COMMAND);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
try {
startActivity(intent);
} catch (ActivityNotFoundException e) {
}
}
return true;
}
case KeyEvent.KEYCODE_1: {
long timeDiff = SystemClock.uptimeMillis() - event.getDownTime();
if (timeDiff >= ViewConfiguration.getLongPressTimeout()) {
// Long press detected, call voice mail
callVoicemail();
}
return true;
}
}
return super.onKeyDown(keyCode, event);
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
switch (keyCode) {
case KeyEvent.KEYCODE_CALL: {
// TODO: In dialButtonPressed we do some of these
// tests again. We should try to consolidate them in
// one place.
if (!phoneIsCdma() && mIsAddCallMode && isDigitsEmpty()) {
// For CDMA phones, we always call
// dialButtonPressed() because we may need to send
// an empty flash command to the network.
// Otherwise, if we are adding a call from the
// InCallScreen and the phone number entered is
// empty, we just close the dialer to expose the
// InCallScreen under it.
finish();
}
// If we're CDMA, regardless of where we are adding a call from (either
// InCallScreen or Dialtacts), the user may need to send an empty
// flash command to the network. So let's call dialButtonPressed() regardless
// and dialButtonPressed will handle this functionality for us.
// otherwise, we place the call.
dialButtonPressed();
return true;
}
}
return super.onKeyUp(keyCode, event);
}
private void keyPressed(int keyCode) {
mHaptic.vibrate();
KeyEvent event = new KeyEvent(KeyEvent.ACTION_DOWN, keyCode);
mDigits.onKeyDown(keyCode, event);
}
public boolean onKey(View view, int keyCode, KeyEvent event) {
switch (view.getId()) {
case R.id.digits:
if (keyCode == KeyEvent.KEYCODE_ENTER) {
dialButtonPressed();
return true;
}
break;
}
return false;
}
public void onClick(View view) {
switch (view.getId()) {
case R.id.one: {
playTone(ToneGenerator.TONE_DTMF_1);
keyPressed(KeyEvent.KEYCODE_1);
return;
}
case R.id.two: {
playTone(ToneGenerator.TONE_DTMF_2);
keyPressed(KeyEvent.KEYCODE_2);
return;
}
case R.id.three: {
playTone(ToneGenerator.TONE_DTMF_3);
keyPressed(KeyEvent.KEYCODE_3);
return;
}
case R.id.four: {
playTone(ToneGenerator.TONE_DTMF_4);
keyPressed(KeyEvent.KEYCODE_4);
return;
}
case R.id.five: {
playTone(ToneGenerator.TONE_DTMF_5);
keyPressed(KeyEvent.KEYCODE_5);
return;
}
case R.id.six: {
playTone(ToneGenerator.TONE_DTMF_6);
keyPressed(KeyEvent.KEYCODE_6);
return;
}
case R.id.seven: {
playTone(ToneGenerator.TONE_DTMF_7);
keyPressed(KeyEvent.KEYCODE_7);
return;
}
case R.id.eight: {
playTone(ToneGenerator.TONE_DTMF_8);
keyPressed(KeyEvent.KEYCODE_8);
return;
}
case R.id.nine: {
playTone(ToneGenerator.TONE_DTMF_9);
keyPressed(KeyEvent.KEYCODE_9);
return;
}
case R.id.zero: {
playTone(ToneGenerator.TONE_DTMF_0);
keyPressed(KeyEvent.KEYCODE_0);
return;
}
case R.id.pound: {
playTone(ToneGenerator.TONE_DTMF_P);
keyPressed(KeyEvent.KEYCODE_POUND);
return;
}
case R.id.star: {
playTone(ToneGenerator.TONE_DTMF_S);
keyPressed(KeyEvent.KEYCODE_STAR);
return;
}
case R.id.deleteButton: {
keyPressed(KeyEvent.KEYCODE_DEL);
return;
}
case R.id.dialButton: {
mHaptic.vibrate(); // Vibrate here too, just like we do for the regular keys
dialButtonPressed();
return;
}
case R.id.voicemailButton: {
callVoicemail();
mHaptic.vibrate();
return;
}
case R.id.digits: {
if (!isDigitsEmpty()) {
mDigits.setCursorVisible(true);
}
return;
}
}
}
public boolean onLongClick(View view) {
final Editable digits = mDigits.getText();
int id = view.getId();
switch (id) {
case R.id.deleteButton: {
digits.clear();
// TODO: The framework forgets to clear the pressed
// status of disabled button. Until this is fixed,
// clear manually the pressed status. b/2133127
mDelete.setPressed(false);
return true;
}
case R.id.one: {
if (isDigitsEmpty()) {
callVoicemail();
return true;
}
return false;
}
case R.id.zero: {
keyPressed(KeyEvent.KEYCODE_PLUS);
return true;
}
}
return false;
}
void callVoicemail() {
Intent intent = new Intent(Intent.ACTION_CALL_PRIVILEGED,
Uri.fromParts("voicemail", EMPTY_NUMBER, null));
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
mDigits.getText().clear();
finish();
}
void dialButtonPressed() {
final String number = mDigits.getText().toString();
boolean sendEmptyFlash = false;
Intent intent = new Intent(Intent.ACTION_CALL_PRIVILEGED);
if (isDigitsEmpty()) { // There is no number entered.
if (phoneIsCdma() && phoneIsOffhook()) {
// On CDMA phones, if we're already on a call, pressing
// the Dial button without entering any digits means "send
// an empty flash."
intent.setData(Uri.fromParts("tel", EMPTY_NUMBER, null));
intent.putExtra(EXTRA_SEND_EMPTY_FLASH, true);
sendEmptyFlash = true;
} else if (!TextUtils.isEmpty(mLastNumberDialed)) {
// Otherwise, pressing the Dial button without entering
// any digits means "recall the last number dialed".
mDigits.setText(mLastNumberDialed);
return;
} else {
// Rare case: there's no "last number dialed". There's
// nothing useful for the Dial button to do in this case.
playTone(ToneGenerator.TONE_PROP_NACK);
return;
}
} else { // There is a number.
intent.setData(Uri.fromParts("tel", number, null));
}
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
mDigits.getText().clear();
// Don't finish TwelveKeyDialer yet if we're sending a blank flash for CDMA. CDMA
// networks use Flash messages when special processing needs to be done, mainly for
// 3-way or call waiting scenarios. Presumably, here we're in a special 3-way scenario
// where the network needs a blank flash before being able to add the new participant.
// (This is not the case with all 3-way calls, just certain CDMA infrastructures.)
if (!sendEmptyFlash) {
finish();
}
}
/**
* Plays the specified tone for TONE_LENGTH_MS milliseconds.
*
* The tone is played locally, using the audio stream for phone calls.
* Tones are played only if the "Audible touch tones" user preference
* is checked, and are NOT played if the device is in silent mode.
*
* @param tone a tone code from {@link ToneGenerator}
*/
void playTone(int tone) {
// if local tone playback is disabled, just return.
if (!mDTMFToneEnabled) {
return;
}
// Also do nothing if the phone is in silent mode.
// We need to re-check the ringer mode for *every* playTone()
// call, rather than keeping a local flag that's updated in
// onResume(), since it's possible to toggle silent mode without
// leaving the current activity (via the ENDCALL-longpress menu.)
AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
int ringerMode = audioManager.getRingerMode();
if ((ringerMode == AudioManager.RINGER_MODE_SILENT)
|| (ringerMode == AudioManager.RINGER_MODE_VIBRATE)) {
return;
}
synchronized(mToneGeneratorLock) {
if (mToneGenerator == null) {
Log.w(TAG, "playTone: mToneGenerator == null, tone: "+tone);
return;
}
// Start the new tone (will stop any playing tone)
mToneGenerator.startTone(tone, TONE_LENGTH_MS);
}
}
/**
* Brings up the "dialpad chooser" UI in place of the usual Dialer
* elements (the textfield/button and the dialpad underneath).
*
* We show this UI if the user brings up the Dialer while a call is
* already in progress, since there's a good chance we got here
* accidentally (and the user really wanted the in-call dialpad instead).
* So in this situation we display an intermediate UI that lets the user
* explicitly choose between the in-call dialpad ("Use touch tone
* keypad") and the regular Dialer ("Add call"). (Or, the option "Return
* to call in progress" just goes back to the in-call UI with no dialpad
* at all.)
*
* @param enabled If true, show the "dialpad chooser" instead
* of the regular Dialer UI
*/
private void showDialpadChooser(boolean enabled) {
if (enabled) {
// Log.i(TAG, "Showing dialpad chooser!");
mDigits.setVisibility(View.GONE);
if (mDialpad != null) mDialpad.setVisibility(View.GONE);
mVoicemailDialAndDeleteRow.setVisibility(View.GONE);
mDialpadChooser.setVisibility(View.VISIBLE);
// Instantiate the DialpadChooserAdapter and hook it up to the
// ListView. We do this only once.
if (mDialpadChooserAdapter == null) {
mDialpadChooserAdapter = new DialpadChooserAdapter(this);
mDialpadChooser.setAdapter(mDialpadChooserAdapter);
}
} else {
// Log.i(TAG, "Displaying normal Dialer UI.");
mDigits.setVisibility(View.VISIBLE);
if (mDialpad != null) mDialpad.setVisibility(View.VISIBLE);
mVoicemailDialAndDeleteRow.setVisibility(View.VISIBLE);
mDialpadChooser.setVisibility(View.GONE);
}
}
/**
* @return true if we're currently showing the "dialpad chooser" UI.
*/
private boolean dialpadChooserVisible() {
return mDialpadChooser.getVisibility() == View.VISIBLE;
}
/**
* Simple list adapter, binding to an icon + text label
* for each item in the "dialpad chooser" list.
*/
private static class DialpadChooserAdapter extends BaseAdapter {
private LayoutInflater mInflater;
// Simple struct for a single "choice" item.
static class ChoiceItem {
String text;
Bitmap icon;
int id;
public ChoiceItem(String s, Bitmap b, int i) {
text = s;
icon = b;
id = i;
}
}
// IDs for the possible "choices":
static final int DIALPAD_CHOICE_USE_DTMF_DIALPAD = 101;
static final int DIALPAD_CHOICE_RETURN_TO_CALL = 102;
static final int DIALPAD_CHOICE_ADD_NEW_CALL = 103;
private static final int NUM_ITEMS = 3;
private ChoiceItem mChoiceItems[] = new ChoiceItem[NUM_ITEMS];
public DialpadChooserAdapter(Context context) {
// Cache the LayoutInflate to avoid asking for a new one each time.
mInflater = LayoutInflater.from(context);
// Initialize the possible choices.
// TODO: could this be specified entirely in XML?
// - "Use touch tone keypad"
mChoiceItems[0] = new ChoiceItem(
context.getString(R.string.dialer_useDtmfDialpad),
BitmapFactory.decodeResource(context.getResources(),
R.drawable.ic_dialer_fork_tt_keypad),
DIALPAD_CHOICE_USE_DTMF_DIALPAD);
// - "Return to call in progress"
mChoiceItems[1] = new ChoiceItem(
context.getString(R.string.dialer_returnToInCallScreen),
BitmapFactory.decodeResource(context.getResources(),
R.drawable.ic_dialer_fork_current_call),
DIALPAD_CHOICE_RETURN_TO_CALL);
// - "Add call"
mChoiceItems[2] = new ChoiceItem(
context.getString(R.string.dialer_addAnotherCall),
BitmapFactory.decodeResource(context.getResources(),
R.drawable.ic_dialer_fork_add_call),
DIALPAD_CHOICE_ADD_NEW_CALL);
}
public int getCount() {
return NUM_ITEMS;
}
/**
* Return the ChoiceItem for a given position.
*/
public Object getItem(int position) {
return mChoiceItems[position];
}
/**
* Return a unique ID for each possible choice.
*/
public long getItemId(int position) {
return position;
}
/**
* Make a view for each row.
*/
public View getView(int position, View convertView, ViewGroup parent) {
// When convertView is non-null, we can reuse it (there's no need
// to reinflate it.)
if (convertView == null) {
convertView = mInflater.inflate(R.layout.dialpad_chooser_list_item, null);
}
TextView text = (TextView) convertView.findViewById(R.id.text);
text.setText(mChoiceItems[position].text);
ImageView icon = (ImageView) convertView.findViewById(R.id.icon);
icon.setImageBitmap(mChoiceItems[position].icon);
return convertView;
}
}
/**
* Handle clicks from the dialpad chooser.
*/
public void onItemClick(AdapterView parent, View v, int position, long id) {
DialpadChooserAdapter.ChoiceItem item =
(DialpadChooserAdapter.ChoiceItem) parent.getItemAtPosition(position);
int itemId = item.id;
switch (itemId) {
case DialpadChooserAdapter.DIALPAD_CHOICE_USE_DTMF_DIALPAD:
// Log.i(TAG, "DIALPAD_CHOICE_USE_DTMF_DIALPAD");
// Fire off an intent to go back to the in-call UI
// with the dialpad visible.
returnToInCallScreen(true);
break;
case DialpadChooserAdapter.DIALPAD_CHOICE_RETURN_TO_CALL:
// Log.i(TAG, "DIALPAD_CHOICE_RETURN_TO_CALL");
// Fire off an intent to go back to the in-call UI
// (with the dialpad hidden).
returnToInCallScreen(false);
break;
case DialpadChooserAdapter.DIALPAD_CHOICE_ADD_NEW_CALL:
// Log.i(TAG, "DIALPAD_CHOICE_ADD_NEW_CALL");
// Ok, guess the user really did want to be here (in the
// regular Dialer) after all. Bring back the normal Dialer UI.
showDialpadChooser(false);
break;
default:
Log.w(TAG, "onItemClick: unexpected itemId: " + itemId);
break;
}
}
/**
* Returns to the in-call UI (where there's presumably a call in
* progress) in response to the user selecting "use touch tone keypad"
* or "return to call" from the dialpad chooser.
*/
private void returnToInCallScreen(boolean showDialpad) {
try {
ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService("phone"));
if (phone != null) phone.showCallScreenWithDialpad(showDialpad);
} catch (RemoteException e) {
Log.w(TAG, "phone.showCallScreenWithDialpad() failed", e);
}
// Finally, finish() ourselves so that we don't stay on the
// activity stack.
// Note that we do this whether or not the showCallScreenWithDialpad()
// call above had any effect or not! (That call is a no-op if the
// phone is idle, which can happen if the current call ends while
// the dialpad chooser is up. In this case we can't show the
// InCallScreen, and there's no point staying here in the Dialer,
// so we just take the user back where he came from...)
finish();
}
/**
* @return true if the phone is "in use", meaning that at least one line
* is active (ie. off hook or ringing or dialing).
*/
private boolean phoneIsInUse() {
boolean phoneInUse = false;
try {
ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService("phone"));
if (phone != null) phoneInUse = !phone.isIdle();
} catch (RemoteException e) {
Log.w(TAG, "phone.isIdle() failed", e);
}
return phoneInUse;
}
/**
* @return true if the phone is a CDMA phone type
*/
private boolean phoneIsCdma() {
boolean isCdma = false;
try {
ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService("phone"));
if (phone != null) {
isCdma = (phone.getActivePhoneType() == TelephonyManager.PHONE_TYPE_CDMA);
}
} catch (RemoteException e) {
Log.w(TAG, "phone.getActivePhoneType() failed", e);
}
return isCdma;
}
/**
* @return true if the phone state is OFFHOOK
*/
private boolean phoneIsOffhook() {
boolean phoneOffhook = false;
try {
ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService("phone"));
if (phone != null) phoneOffhook = phone.isOffhook();
} catch (RemoteException e) {
Log.w(TAG, "phone.isOffhook() failed", e);
}
return phoneOffhook;
}
/**
* Returns true whenever any one of the options from the menu is selected.
* Code changes to support dialpad options
*/
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case MENU_2S_PAUSE:
updateDialString(",");
return true;
case MENU_WAIT:
updateDialString(";");
return true;
}
return false;
}
/**
* Updates the dial string (mDigits) after inserting a Pause character (,)
* or Wait character (;).
*/
private void updateDialString(String newDigits) {
int selectionStart;
int selectionEnd;
// SpannableStringBuilder editable_text = new SpannableStringBuilder(mDigits.getText());
int anchor = mDigits.getSelectionStart();
int point = mDigits.getSelectionEnd();
selectionStart = Math.min(anchor, point);
selectionEnd = Math.max(anchor, point);
Editable digits = mDigits.getText();
if (selectionStart != -1 ) {
if (selectionStart == selectionEnd) {
// then there is no selection. So insert the pause at this
// position and update the mDigits.
digits.replace(selectionStart, selectionStart, newDigits);
} else {
digits.replace(selectionStart, selectionEnd, newDigits);
// Unselect: back to a regular cursor, just pass the character inserted.
mDigits.setSelection(selectionStart + 1);
}
} else {
int len = mDigits.length();
digits.replace(len, len, newDigits);
}
}
/**
* Update the enabledness of the "Dial" and "Backspace" buttons if applicable.
*/
private void updateDialAndDeleteButtonEnabledState() {
final boolean digitsNotEmpty = !isDigitsEmpty();
if (mDialButton != null) {
// On CDMA phones, if we're already on a call, we *always*
// enable the Dial button (since you can press it without
// entering any digits to send an empty flash.)
if (phoneIsCdma() && phoneIsOffhook()) {
mDialButton.setEnabled(true);
} else {
// Common case: GSM, or CDMA but not on a call.
// Enable the Dial button if some digits have
// been entered, or if there is a last dialed number
// that could be redialed.
mDialButton.setEnabled(digitsNotEmpty ||
!TextUtils.isEmpty(mLastNumberDialed));
}
}
mDelete.setEnabled(digitsNotEmpty);
}
/**
* Check if voicemail is enabled/accessible.
*/
private void initVoicemailButton() {
boolean hasVoicemail = false;
try {
hasVoicemail = TelephonyManager.getDefault().getVoiceMailNumber() != null;
} catch (SecurityException se) {
// Possibly no READ_PHONE_STATE privilege.
}
mVoicemailButton = mVoicemailDialAndDeleteRow.findViewById(R.id.voicemailButton);
if (hasVoicemail) {
mVoicemailButton.setOnClickListener(this);
} else {
mVoicemailButton.setEnabled(false);
}
}
/**
* This function return true if Wait menu item can be shown
* otherwise returns false. Assumes the passed string is non-empty
* and the 0th index check is not required.
*/
private boolean showWait(int start, int end, String digits) {
if (start == end) {
// visible false in this case
if (start > digits.length()) return false;
// preceding char is ';', so visible should be false
if (digits.charAt(start-1) == ';') return false;
// next char is ';', so visible should be false
if ((digits.length() > start) && (digits.charAt(start) == ';')) return false;
} else {
// visible false in this case
if (start > digits.length() || end > digits.length()) return false;
// In this case we need to just check for ';' preceding to start
// or next to end
if (digits.charAt(start-1) == ';') return false;
}
return true;
}
/**
* @return true if the widget with the phone number digits is empty.
*/
private boolean isDigitsEmpty() {
return mDigits.length() == 0;
}
/**
* Starts the asyn query to get the last dialed/outgoing
* number. When the background query finishes, mLastNumberDialed
* is set to the last dialed number or an empty string if none
* exists yet.
*/
private void queryLastOutgoingCall() {
mLastNumberDialed = EMPTY_NUMBER;
CallLogAsync.GetLastOutgoingCallArgs lastCallArgs =
new CallLogAsync.GetLastOutgoingCallArgs(
this,
new CallLogAsync.OnLastOutgoingCallComplete() {
public void lastOutgoingCall(String number) {
// TODO: Filter out emergency numbers if
// the carrier does not want redial for
// these.
mLastNumberDialed = number;
updateDialAndDeleteButtonEnabledState();
}
});
mCallLog.getLastOutgoingCall(lastCallArgs);
}
@Override
public void startSearch(String initialQuery, boolean selectInitialQuery, Bundle appSearchData,
boolean globalSearch) {
if (globalSearch) {
super.startSearch(initialQuery, selectInitialQuery, appSearchData, globalSearch);
} else {
ContactsSearchManager.startSearch(this, initialQuery);
}
}
}