Sailesh Nepal | b88795a | 2014-07-15 14:53:27 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Tyler Gunn | 7cc70b4 | 2014-09-12 22:17:27 -0700 | [diff] [blame] | 17 | package com.android.server.telecom; |
Sailesh Nepal | b88795a | 2014-07-15 14:53:27 -0700 | [diff] [blame] | 18 | |
| 19 | import android.content.BroadcastReceiver; |
| 20 | import android.content.Context; |
| 21 | import android.content.Intent; |
| 22 | import android.content.IntentFilter; |
| 23 | import android.media.AudioManager; |
| 24 | import android.os.UserHandle; |
| 25 | import android.provider.Settings; |
Brad Ebinger | a3eccfe | 2016-10-05 15:45:22 -0700 | [diff] [blame] | 26 | import android.telecom.Log; |
Tyler Gunn | 7cc70b4 | 2014-09-12 22:17:27 -0700 | [diff] [blame] | 27 | import android.telecom.TelecomManager; |
Sailesh Nepal | b88795a | 2014-07-15 14:53:27 -0700 | [diff] [blame] | 28 | |
Tyler Gunn | 9787e0e | 2014-10-14 14:36:12 -0700 | [diff] [blame] | 29 | import com.android.internal.util.IndentingPrintWriter; |
| 30 | |
Tyler Gunn | 91d43cf | 2014-09-17 12:19:39 -0700 | [diff] [blame] | 31 | // TODO: Needed for move to system service: import com.android.internal.R; |
| 32 | |
Sailesh Nepal | b88795a | 2014-07-15 14:53:27 -0700 | [diff] [blame] | 33 | final class TtyManager implements WiredHeadsetManager.Listener { |
| 34 | private final TtyBroadcastReceiver mReceiver = new TtyBroadcastReceiver(); |
| 35 | private final Context mContext; |
| 36 | private final WiredHeadsetManager mWiredHeadsetManager; |
Tyler Gunn | 7cc70b4 | 2014-09-12 22:17:27 -0700 | [diff] [blame] | 37 | private int mPreferredTtyMode = TelecomManager.TTY_MODE_OFF; |
| 38 | private int mCurrentTtyMode = TelecomManager.TTY_MODE_OFF; |
Sailesh Nepal | b88795a | 2014-07-15 14:53:27 -0700 | [diff] [blame] | 39 | |
| 40 | TtyManager(Context context, WiredHeadsetManager wiredHeadsetManager) { |
| 41 | mContext = context; |
| 42 | mWiredHeadsetManager = wiredHeadsetManager; |
| 43 | mWiredHeadsetManager.addListener(this); |
| 44 | |
| 45 | mPreferredTtyMode = Settings.Secure.getInt( |
| 46 | mContext.getContentResolver(), |
| 47 | Settings.Secure.PREFERRED_TTY_MODE, |
Tyler Gunn | 7cc70b4 | 2014-09-12 22:17:27 -0700 | [diff] [blame] | 48 | TelecomManager.TTY_MODE_OFF); |
Sailesh Nepal | b88795a | 2014-07-15 14:53:27 -0700 | [diff] [blame] | 49 | |
| 50 | IntentFilter intentFilter = new IntentFilter( |
Tyler Gunn | 7cc70b4 | 2014-09-12 22:17:27 -0700 | [diff] [blame] | 51 | TelecomManager.ACTION_TTY_PREFERRED_MODE_CHANGED); |
Sailesh Nepal | b88795a | 2014-07-15 14:53:27 -0700 | [diff] [blame] | 52 | mContext.registerReceiver(mReceiver, intentFilter); |
| 53 | |
| 54 | updateCurrentTtyMode(); |
| 55 | } |
| 56 | |
| 57 | boolean isTtySupported() { |
| 58 | boolean isEnabled = mContext.getResources().getBoolean(R.bool.tty_enabled); |
Sailesh Nepal | 9d58de5 | 2014-07-18 14:53:19 -0700 | [diff] [blame] | 59 | Log.v(this, "isTtySupported: %b", isEnabled); |
Sailesh Nepal | b88795a | 2014-07-15 14:53:27 -0700 | [diff] [blame] | 60 | return isEnabled; |
| 61 | } |
| 62 | |
| 63 | int getCurrentTtyMode() { |
| 64 | return mCurrentTtyMode; |
| 65 | } |
| 66 | |
| 67 | @Override |
| 68 | public void onWiredHeadsetPluggedInChanged(boolean oldIsPluggedIn, boolean newIsPluggedIn) { |
| 69 | Log.v(this, "onWiredHeadsetPluggedInChanged"); |
| 70 | updateCurrentTtyMode(); |
| 71 | } |
| 72 | |
| 73 | private void updateCurrentTtyMode() { |
Tyler Gunn | 7cc70b4 | 2014-09-12 22:17:27 -0700 | [diff] [blame] | 74 | int newTtyMode = TelecomManager.TTY_MODE_OFF; |
Sailesh Nepal | b88795a | 2014-07-15 14:53:27 -0700 | [diff] [blame] | 75 | if (isTtySupported() && mWiredHeadsetManager.isPluggedIn()) { |
| 76 | newTtyMode = mPreferredTtyMode; |
| 77 | } |
| 78 | Log.v(this, "updateCurrentTtyMode, %d -> %d", mCurrentTtyMode, newTtyMode); |
| 79 | |
| 80 | if (mCurrentTtyMode != newTtyMode) { |
| 81 | mCurrentTtyMode = newTtyMode; |
Tyler Gunn | 7cc70b4 | 2014-09-12 22:17:27 -0700 | [diff] [blame] | 82 | Intent ttyModeChanged = new Intent(TelecomManager.ACTION_CURRENT_TTY_MODE_CHANGED); |
| 83 | ttyModeChanged.putExtra(TelecomManager.EXTRA_CURRENT_TTY_MODE, mCurrentTtyMode); |
Sailesh Nepal | b88795a | 2014-07-15 14:53:27 -0700 | [diff] [blame] | 84 | mContext.sendBroadcastAsUser(ttyModeChanged, UserHandle.ALL); |
| 85 | |
| 86 | updateAudioTtyMode(); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | private void updateAudioTtyMode() { |
| 91 | String audioTtyMode; |
| 92 | switch (mCurrentTtyMode) { |
Tyler Gunn | 7cc70b4 | 2014-09-12 22:17:27 -0700 | [diff] [blame] | 93 | case TelecomManager.TTY_MODE_FULL: |
Sailesh Nepal | b88795a | 2014-07-15 14:53:27 -0700 | [diff] [blame] | 94 | audioTtyMode = "tty_full"; |
| 95 | break; |
Tyler Gunn | 7cc70b4 | 2014-09-12 22:17:27 -0700 | [diff] [blame] | 96 | case TelecomManager.TTY_MODE_VCO: |
Sailesh Nepal | b88795a | 2014-07-15 14:53:27 -0700 | [diff] [blame] | 97 | audioTtyMode = "tty_vco"; |
| 98 | break; |
Tyler Gunn | 7cc70b4 | 2014-09-12 22:17:27 -0700 | [diff] [blame] | 99 | case TelecomManager.TTY_MODE_HCO: |
Sailesh Nepal | b88795a | 2014-07-15 14:53:27 -0700 | [diff] [blame] | 100 | audioTtyMode = "tty_hco"; |
| 101 | break; |
Tyler Gunn | 7cc70b4 | 2014-09-12 22:17:27 -0700 | [diff] [blame] | 102 | case TelecomManager.TTY_MODE_OFF: |
Sailesh Nepal | b88795a | 2014-07-15 14:53:27 -0700 | [diff] [blame] | 103 | default: |
| 104 | audioTtyMode = "tty_off"; |
| 105 | break; |
| 106 | } |
| 107 | Log.v(this, "updateAudioTtyMode, %s", audioTtyMode); |
| 108 | |
| 109 | AudioManager audioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); |
| 110 | audioManager.setParameters("tty_mode=" + audioTtyMode); |
| 111 | } |
| 112 | |
| 113 | private final class TtyBroadcastReceiver extends BroadcastReceiver { |
| 114 | @Override |
| 115 | public void onReceive(Context context, Intent intent) { |
Brad Ebinger | 58f3658 | 2016-01-21 14:20:07 -0800 | [diff] [blame] | 116 | Log.startSession("TBR.oR"); |
| 117 | try { |
| 118 | String action = intent.getAction(); |
| 119 | Log.v(TtyManager.this, "onReceive, action: %s", action); |
| 120 | if (action.equals(TelecomManager.ACTION_TTY_PREFERRED_MODE_CHANGED)) { |
| 121 | int newPreferredTtyMode = intent.getIntExtra( |
| 122 | TelecomManager.EXTRA_TTY_PREFERRED_MODE, TelecomManager.TTY_MODE_OFF); |
| 123 | if (mPreferredTtyMode != newPreferredTtyMode) { |
| 124 | mPreferredTtyMode = newPreferredTtyMode; |
| 125 | updateCurrentTtyMode(); |
| 126 | } |
Sailesh Nepal | b88795a | 2014-07-15 14:53:27 -0700 | [diff] [blame] | 127 | } |
Brad Ebinger | 58f3658 | 2016-01-21 14:20:07 -0800 | [diff] [blame] | 128 | } finally { |
| 129 | Log.endSession(); |
Sailesh Nepal | b88795a | 2014-07-15 14:53:27 -0700 | [diff] [blame] | 130 | } |
| 131 | } |
| 132 | } |
Tyler Gunn | 9787e0e | 2014-10-14 14:36:12 -0700 | [diff] [blame] | 133 | |
| 134 | /** |
| 135 | * Dumps the state of the {@link TtyManager}. |
| 136 | * |
| 137 | * @param pw The {@code IndentingPrintWriter} to write the state to. |
| 138 | */ |
| 139 | public void dump(IndentingPrintWriter pw) { |
| 140 | pw.println("mCurrentTtyMode: " + mCurrentTtyMode); |
| 141 | } |
Sailesh Nepal | b88795a | 2014-07-15 14:53:27 -0700 | [diff] [blame] | 142 | } |