/*
* 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.server.hdmi;
import android.view.KeyEvent;
import libcore.util.EmptyArray;
import java.util.Arrays;
/**
* Helper class to translate android keycode to hdmi cec keycode and vice versa.
*/
final class HdmiCecKeycode {
public static final int UNSUPPORTED_KEYCODE = -1;
public static final int NO_PARAM = -1;
// =========================================================================
// Hdmi CEC keycodes
public static final int CEC_KEYCODE_SELECT = 0x00;
public static final int CEC_KEYCODE_UP = 0x01;
public static final int CEC_KEYCODE_DOWN = 0x02;
public static final int CEC_KEYCODE_LEFT = 0x03;
public static final int CEC_KEYCODE_RIGHT = 0x04;
public static final int CEC_KEYCODE_RIGHT_UP = 0x05;
public static final int CEC_KEYCODE_RIGHT_DOWN = 0x06;
public static final int CEC_KEYCODE_LEFT_UP = 0x07;
public static final int CEC_KEYCODE_LEFT_DOWN = 0x08;
public static final int CEC_KEYCODE_ROOT_MENU = 0x09;
public static final int CEC_KEYCODE_SETUP_MENU = 0x0A;
public static final int CEC_KEYCODE_CONTENTS_MENU = 0x0B;
public static final int CEC_KEYCODE_FAVORITE_MENU = 0x0C;
public static final int CEC_KEYCODE_EXIT = 0x0D;
// RESERVED = 0x0E - 0x0F
public static final int CEC_KEYCODE_MEDIA_TOP_MENU = 0x10;
public static final int CEC_KEYCODE_MEDIA_CONTEXT_SENSITIVE_MENU = 0x11;
// RESERVED = 0x12 – 0x1C
public static final int CEC_KEYCODE_NUMBER_ENTRY_MODE = 0x1D;
public static final int CEC_KEYCODE_NUMBER_11 = 0x1E;
public static final int CEC_KEYCODE_NUMBER_12 = 0x1F;
public static final int CEC_KEYCODE_NUMBER_0_OR_NUMBER_10 = 0x20;
public static final int CEC_KEYCODE_NUMBERS_1 = 0x21;
public static final int CEC_KEYCODE_NUMBERS_2 = 0x22;
public static final int CEC_KEYCODE_NUMBERS_3 = 0x23;
public static final int CEC_KEYCODE_NUMBERS_4 = 0x24;
public static final int CEC_KEYCODE_NUMBERS_5 = 0x25;
public static final int CEC_KEYCODE_NUMBERS_6 = 0x26;
public static final int CEC_KEYCODE_NUMBERS_7 = 0x27;
public static final int CEC_KEYCODE_NUMBERS_8 = 0x28;
public static final int CEC_KEYCODE_NUMBERS_9 = 0x29;
public static final int CEC_KEYCODE_DOT = 0x2A;
public static final int CEC_KEYCODE_ENTER = 0x2B;
public static final int CEC_KEYCODE_CLEAR = 0x2C;
// RESERVED = 0x2D - 0x2E
public static final int CEC_KEYCODE_NEXT_FAVORITE = 0x2F;
public static final int CEC_KEYCODE_CHANNEL_UP = 0x30;
public static final int CEC_KEYCODE_CHANNEL_DOWN = 0x31;
public static final int CEC_KEYCODE_PREVIOUS_CHANNEL = 0x32;
public static final int CEC_KEYCODE_SOUND_SELECT = 0x33;
public static final int CEC_KEYCODE_INPUT_SELECT = 0x34;
public static final int CEC_KEYCODE_DISPLAY_INFORMATION = 0x35;
public static final int CEC_KEYCODE_HELP = 0x36;
public static final int CEC_KEYCODE_PAGE_UP = 0x37;
public static final int CEC_KEYCODE_PAGE_DOWN = 0x38;
// RESERVED = 0x39 - 0x3F
public static final int CEC_KEYCODE_POWER = 0x40;
public static final int CEC_KEYCODE_VOLUME_UP = 0x41;
public static final int CEC_KEYCODE_VOLUME_DOWN = 0x42;
public static final int CEC_KEYCODE_MUTE = 0x43;
public static final int CEC_KEYCODE_PLAY = 0x44;
public static final int CEC_KEYCODE_STOP = 0x45;
public static final int CEC_KEYCODE_PAUSE = 0x46;
public static final int CEC_KEYCODE_RECORD = 0x47;
public static final int CEC_KEYCODE_REWIND = 0x48;
public static final int CEC_KEYCODE_FAST_FORWARD = 0x49;
public static final int CEC_KEYCODE_EJECT = 0x4A;
public static final int CEC_KEYCODE_FORWARD = 0x4B;
public static final int CEC_KEYCODE_BACKWARD = 0x4C;
public static final int CEC_KEYCODE_STOP_RECORD = 0x4D;
public static final int CEC_KEYCODE_PAUSE_RECORD = 0x4E;
public static final int CEC_KEYCODE_RESERVED = 0x4F;
public static final int CEC_KEYCODE_ANGLE = 0x50;
public static final int CEC_KEYCODE_SUB_PICTURE = 0x51;
public static final int CEC_KEYCODE_VIDEO_ON_DEMAND = 0x52;
public static final int CEC_KEYCODE_ELECTRONIC_PROGRAM_GUIDE = 0x53;
public static final int CEC_KEYCODE_TIMER_PROGRAMMING = 0x54;
public static final int CEC_KEYCODE_INITIAL_CONFIGURATION = 0x55;
public static final int CEC_KEYCODE_SELECT_BROADCAST_TYPE = 0x56;
public static final int CEC_KEYCODE_SELECT_SOUND_PRESENTATION = 0x57;
// RESERVED = 0x58-0x5F
public static final int CEC_KEYCODE_PLAY_FUNCTION = 0x60;
public static final int CEC_KEYCODE_PAUSE_PLAY_FUNCTION = 0x61;
public static final int CEC_KEYCODE_RECORD_FUNCTION = 0x62;
public static final int CEC_KEYCODE_PAUSE_RECORD_FUNCTION = 0x63;
public static final int CEC_KEYCODE_STOP_FUNCTION = 0x64;
public static final int CEC_KEYCODE_MUTE_FUNCTION = 0x65;
public static final int CEC_KEYCODE_RESTORE_VOLUME_FUNCTION = 0x66;
public static final int CEC_KEYCODE_TUNE_FUNCTION = 0x67;
public static final int CEC_KEYCODE_SELECT_MEDIA_FUNCTION = 0x68;
public static final int CEC_KEYCODE_SELECT_AV_INPUT_FUNCTION = 0x69;
public static final int CEC_KEYCODE_SELECT_AUDIO_INPUT_FUNCTION = 0x6A;
public static final int CEC_KEYCODE_POWER_TOGGLE_FUNCTION = 0x6B;
public static final int CEC_KEYCODE_POWER_OFF_FUNCTION = 0x6C;
public static final int CEC_KEYCODE_POWER_ON_FUNCTION = 0x6D;
// RESERVED = 0x6E-0x70
public static final int CEC_KEYCODE_F1_BLUE = 0x71;
public static final int CEC_KEYCODE_F2_RED = 0x72;
public static final int CEC_KEYCODE_F3_GREEN = 0x73;
public static final int CEC_KEYCODE_F4_YELLOW = 0x74;
public static final int CEC_KEYCODE_F5 = 0x75;
public static final int CEC_KEYCODE_DATA = 0x76;
// RESERVED = 0x77-0xFF
// =========================================================================
// UI Broadcast Type
public static final int UI_BROADCAST_TOGGLE_ALL = 0x00;
public static final int UI_BROADCAST_TOGGLE_ANALOGUE_DIGITAL = 0x01;
public static final int UI_BROADCAST_ANALOGUE = 0x10;
public static final int UI_BROADCAST_ANALOGUE_TERRESTRIAL = 0x20;
public static final int UI_BROADCAST_ANALOGUE_CABLE = 0x30;
public static final int UI_BROADCAST_ANALOGUE_SATELLITE = 0x40;
public static final int UI_BROADCAST_DIGITAL = 0x50;
public static final int UI_BROADCAST_DIGITAL_TERRESTRIAL = 0x60;
public static final int UI_BROADCAST_DIGITAL_CABLE = 0x70;
public static final int UI_BROADCAST_DIGITAL_SATELLITE = 0x80;
public static final int UI_BROADCAST_DIGITAL_COMMNICATIONS_SATELLITE = 0x90;
public static final int UI_BROADCAST_DIGITAL_COMMNICATIONS_SATELLITE_2 = 0x91;
public static final int UI_BROADCAST_IP = 0xA0;
// =========================================================================
// UI Sound Presentation Control
public static final int UI_SOUND_PRESENTATION_SOUND_MIX_DUAL_MONO = 0x20;
public static final int UI_SOUND_PRESENTATION_SOUND_MIX_KARAOKE = 0x30;
public static final int UI_SOUND_PRESENTATION_SELECT_AUDIO_DOWN_MIX = 0x80;
public static final int UI_SOUND_PRESENTATION_SELECT_AUDIO_AUTO_REVERBERATION = 0x90;
public static final int UI_SOUND_PRESENTATION_SELECT_AUDIO_AUTO_EQUALIZER = 0xA0;
public static final int UI_SOUND_PRESENTATION_BASS_STEP_PLUS = 0xB1;
public static final int UI_SOUND_PRESENTATION_BASS_NEUTRAL = 0xB2;
public static final int UI_SOUND_PRESENTATION_BASS_STEP_MINUS = 0xB3;
public static final int UI_SOUND_PRESENTATION_TREBLE_STEP_PLUS = 0xC1;
public static final int UI_SOUND_PRESENTATION_TREBLE_NEUTRAL = 0xC2;
public static final int UI_SOUND_PRESENTATION_TREBLE_STEP_MINUS = 0xC3;
private HdmiCecKeycode() {
}
/**
* A mapping between Android and CEC keycode.
* <p>
* Normal implementation of this looks like
*
* <pre>
* new KeycodeEntry(KeyEvent.KEYCODE_DPAD_CENTER, CEC_KEYCODE_SELECT);
* </pre>
* <p>
* However, some keys in CEC requires additional parameter. In order to use parameterized cec
* key, add unique android keycode (existing or custom) corresponding to a pair of cec keycode
* and and its param.
*
* <pre>
* new KeycodeEntry(CUSTOME_ANDORID_KEY_1, CEC_KEYCODE_SELECT_BROADCAST_TYPE,
* UI_BROADCAST_TOGGLE_ALL);
* new KeycodeEntry(CUSTOME_ANDORID_KEY_2, CEC_KEYCODE_SELECT_BROADCAST_TYPE,
* UI_BROADCAST_ANALOGUE);
* </pre>
*/
private static class KeycodeEntry {
private final int mAndroidKeycode;
private final boolean mIsRepeatable;
private final byte[] mCecKeycodeAndParams;
private KeycodeEntry(int androidKeycode, int cecKeycode, boolean isRepeatable,
byte[] cecParams) {
mAndroidKeycode = androidKeycode;
mIsRepeatable = isRepeatable;
mCecKeycodeAndParams = new byte[cecParams.length + 1];
System.arraycopy(cecParams, 0, mCecKeycodeAndParams, 1, cecParams.length);
mCecKeycodeAndParams[0] = (byte) (cecKeycode & 0xFF);
}
private KeycodeEntry(int androidKeycode, int cecKeycode, boolean isRepeatable) {
this(androidKeycode, cecKeycode, isRepeatable, EmptyArray.BYTE);
}
private KeycodeEntry(int androidKeycode, int cecKeycode, byte[] cecParams) {
this(androidKeycode, cecKeycode, true, cecParams);
}
private KeycodeEntry(int androidKeycode, int cecKeycode) {
this(androidKeycode, cecKeycode, true, EmptyArray.BYTE);
}
private byte[] toCecKeycodeAndParamIfMatched(int androidKeycode) {
if (mAndroidKeycode == androidKeycode) {
return mCecKeycodeAndParams;
} else {
return null;
}
}
private int toAndroidKeycodeIfMatched(byte[] cecKeycodeAndParams) {
if (Arrays.equals(mCecKeycodeAndParams, cecKeycodeAndParams)) {
return mAndroidKeycode;
} else {
return UNSUPPORTED_KEYCODE;
}
}
private Boolean isRepeatableIfMatched(int androidKeycode) {
if (mAndroidKeycode == androidKeycode) {
return mIsRepeatable;
} else {
return null;
}
}
}
private static byte[] intToSingleByteArray(int value) {
return new byte[] {
(byte) (value & 0xFF) };
}
// Keycode entry container for all mappings.
// Note that order of entry is the same as above cec keycode definition.
private static final KeycodeEntry[] KEYCODE_ENTRIES = new KeycodeEntry[] {
new KeycodeEntry(KeyEvent.KEYCODE_DPAD_CENTER, CEC_KEYCODE_SELECT),
new KeycodeEntry(KeyEvent.KEYCODE_DPAD_UP, CEC_KEYCODE_UP),
new KeycodeEntry(KeyEvent.KEYCODE_DPAD_DOWN, CEC_KEYCODE_DOWN),
new KeycodeEntry(KeyEvent.KEYCODE_DPAD_LEFT, CEC_KEYCODE_LEFT),
new KeycodeEntry(KeyEvent.KEYCODE_DPAD_RIGHT, CEC_KEYCODE_RIGHT),
// No Android keycode defined for CEC_KEYCODE_RIGHT_UP
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_RIGHT_UP),
// No Android keycode defined for CEC_KEYCODE_RIGHT_DOWN
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_RIGHT_DOWN),
// No Android keycode defined for CEC_KEYCODE_LEFT_UP
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_LEFT_UP),
// No Android keycode defined for CEC_KEYCODE_LEFT_DOWN
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_LEFT_DOWN),
new KeycodeEntry(KeyEvent.KEYCODE_HOME, CEC_KEYCODE_ROOT_MENU),
new KeycodeEntry(KeyEvent.KEYCODE_SETTINGS, CEC_KEYCODE_SETUP_MENU),
new KeycodeEntry(KeyEvent.KEYCODE_TV_CONTENTS_MENU, CEC_KEYCODE_CONTENTS_MENU, false),
// No Android keycode defined for CEC_KEYCODE_FAVORITE_MENU
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_FAVORITE_MENU),
// Note that both BACK and ESCAPE are mapped to EXIT of CEC keycode.
// This would be problematic when translates CEC keycode to Android keycode.
// In current implementation, we pick BACK as mapping of EXIT key.
// If you'd like to map CEC EXIT to Android EXIT key, change order of
// the following two definition.
new KeycodeEntry(KeyEvent.KEYCODE_BACK, CEC_KEYCODE_EXIT),
new KeycodeEntry(KeyEvent.KEYCODE_ESCAPE, CEC_KEYCODE_EXIT),
// RESERVED
new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_TOP_MENU, CEC_KEYCODE_MEDIA_TOP_MENU),
new KeycodeEntry(KeyEvent.KEYCODE_TV_MEDIA_CONTEXT_MENU,
CEC_KEYCODE_MEDIA_CONTEXT_SENSITIVE_MENU),
// RESERVED
// No Android keycode defined for CEC_KEYCODE_NUMBER_ENTRY_MODE
new KeycodeEntry(KeyEvent.KEYCODE_TV_NUMBER_ENTRY, CEC_KEYCODE_NUMBER_ENTRY_MODE),
new KeycodeEntry(KeyEvent.KEYCODE_11, CEC_KEYCODE_NUMBER_11),
new KeycodeEntry(KeyEvent.KEYCODE_12, CEC_KEYCODE_NUMBER_12),
new KeycodeEntry(KeyEvent.KEYCODE_0, CEC_KEYCODE_NUMBER_0_OR_NUMBER_10),
new KeycodeEntry(KeyEvent.KEYCODE_1, CEC_KEYCODE_NUMBERS_1),
new KeycodeEntry(KeyEvent.KEYCODE_2, CEC_KEYCODE_NUMBERS_2),
new KeycodeEntry(KeyEvent.KEYCODE_3, CEC_KEYCODE_NUMBERS_3),
new KeycodeEntry(KeyEvent.KEYCODE_4, CEC_KEYCODE_NUMBERS_4),
new KeycodeEntry(KeyEvent.KEYCODE_5, CEC_KEYCODE_NUMBERS_5),
new KeycodeEntry(KeyEvent.KEYCODE_6, CEC_KEYCODE_NUMBERS_6),
new KeycodeEntry(KeyEvent.KEYCODE_7, CEC_KEYCODE_NUMBERS_7),
new KeycodeEntry(KeyEvent.KEYCODE_8, CEC_KEYCODE_NUMBERS_8),
new KeycodeEntry(KeyEvent.KEYCODE_9, CEC_KEYCODE_NUMBERS_9),
new KeycodeEntry(KeyEvent.KEYCODE_PERIOD, CEC_KEYCODE_DOT),
new KeycodeEntry(KeyEvent.KEYCODE_NUMPAD_ENTER, CEC_KEYCODE_ENTER),
new KeycodeEntry(KeyEvent.KEYCODE_CLEAR, CEC_KEYCODE_CLEAR),
// RESERVED
// No Android keycode defined for CEC_KEYCODE_NEXT_FAVORITE
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_NEXT_FAVORITE),
new KeycodeEntry(KeyEvent.KEYCODE_CHANNEL_UP, CEC_KEYCODE_CHANNEL_UP),
new KeycodeEntry(KeyEvent.KEYCODE_CHANNEL_DOWN, CEC_KEYCODE_CHANNEL_DOWN),
new KeycodeEntry(KeyEvent.KEYCODE_LAST_CHANNEL, CEC_KEYCODE_PREVIOUS_CHANNEL),
// No Android keycode defined for CEC_KEYCODE_SOUND_SELECT
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_SOUND_SELECT),
new KeycodeEntry(KeyEvent.KEYCODE_TV_INPUT, CEC_KEYCODE_INPUT_SELECT),
new KeycodeEntry(KeyEvent.KEYCODE_INFO, CEC_KEYCODE_DISPLAY_INFORMATION),
// No Android keycode defined for CEC_KEYCODE_HELP
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_HELP),
new KeycodeEntry(KeyEvent.KEYCODE_PAGE_UP, CEC_KEYCODE_PAGE_UP),
new KeycodeEntry(KeyEvent.KEYCODE_PAGE_DOWN, CEC_KEYCODE_PAGE_DOWN),
// RESERVED
new KeycodeEntry(KeyEvent.KEYCODE_POWER, CEC_KEYCODE_POWER, false),
new KeycodeEntry(KeyEvent.KEYCODE_VOLUME_UP, CEC_KEYCODE_VOLUME_UP),
new KeycodeEntry(KeyEvent.KEYCODE_VOLUME_DOWN, CEC_KEYCODE_VOLUME_DOWN),
new KeycodeEntry(KeyEvent.KEYCODE_VOLUME_MUTE, CEC_KEYCODE_MUTE, false),
new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_PLAY, CEC_KEYCODE_PLAY),
new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_STOP, CEC_KEYCODE_STOP),
// Note that we map both MEDIA_PAUSE and MEDIA_PLAY_PAUSE to CEC PAUSE key.
// When it translates CEC PAUSE key, it picks Android MEDIA_PAUSE key as a mapping of
// it. If you'd like to choose MEDIA_PLAY_PAUSE, please change order of the following
// two lines.
new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_PAUSE, CEC_KEYCODE_PAUSE),
new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE, CEC_KEYCODE_PAUSE),
new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_RECORD, CEC_KEYCODE_RECORD),
new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_REWIND, CEC_KEYCODE_REWIND),
new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_FAST_FORWARD, CEC_KEYCODE_FAST_FORWARD),
new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_EJECT, CEC_KEYCODE_EJECT),
new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_NEXT, CEC_KEYCODE_FORWARD),
new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_PREVIOUS, CEC_KEYCODE_BACKWARD),
// No Android keycode defined for CEC_KEYCODE_STOP_RECORD
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_STOP_RECORD),
// No Android keycode defined for CEC_KEYCODE_PAUSE_RECORD
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_PAUSE_RECORD),
// No Android keycode defined for CEC_KEYCODE_RESERVED
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_RESERVED),
// No Android keycode defined for CEC_KEYCODE_ANGLE
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_ANGLE),
new KeycodeEntry(KeyEvent.KEYCODE_CAPTIONS, CEC_KEYCODE_SUB_PICTURE),
// No Android keycode defined for CEC_KEYCODE_VIDEO_ON_DEMAND
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_VIDEO_ON_DEMAND),
new KeycodeEntry(KeyEvent.KEYCODE_GUIDE, CEC_KEYCODE_ELECTRONIC_PROGRAM_GUIDE),
new KeycodeEntry(KeyEvent.KEYCODE_TV_TIMER_PROGRAMMING, CEC_KEYCODE_TIMER_PROGRAMMING),
// No Android keycode defined for CEC_KEYCODE_INITIAL_CONFIGURATION
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_INITIAL_CONFIGURATION),
// No Android keycode defined for CEC_KEYCODE_SELECT_BROADCAST_TYPE
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_SELECT_BROADCAST_TYPE),
new KeycodeEntry(KeyEvent.KEYCODE_TV_TERRESTRIAL_ANALOG,
CEC_KEYCODE_SELECT_BROADCAST_TYPE, true,
intToSingleByteArray(UI_BROADCAST_ANALOGUE)),
new KeycodeEntry(KeyEvent.KEYCODE_TV_TERRESTRIAL_DIGITAL,
CEC_KEYCODE_SELECT_BROADCAST_TYPE, true,
intToSingleByteArray(UI_BROADCAST_DIGITAL_TERRESTRIAL)),
new KeycodeEntry(KeyEvent.KEYCODE_TV_SATELLITE_BS,
CEC_KEYCODE_SELECT_BROADCAST_TYPE, true,
intToSingleByteArray(UI_BROADCAST_DIGITAL_SATELLITE)),
new KeycodeEntry(KeyEvent.KEYCODE_TV_SATELLITE_CS,
CEC_KEYCODE_SELECT_BROADCAST_TYPE, true,
intToSingleByteArray(UI_BROADCAST_DIGITAL_COMMNICATIONS_SATELLITE)),
new KeycodeEntry(KeyEvent.KEYCODE_TV_NETWORK,
CEC_KEYCODE_SELECT_BROADCAST_TYPE, true,
intToSingleByteArray(UI_BROADCAST_TOGGLE_ANALOGUE_DIGITAL)),
// No Android keycode defined for CEC_KEYCODE_SELECT_SOUND_PRESENTATION
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_SELECT_SOUND_PRESENTATION),
// RESERVED
// The following deterministic key definitions do not need key mapping
// since they are supposed to be generated programmatically only.
// No Android keycode defined for CEC_KEYCODE_PLAY_FUNCTION
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_PLAY_FUNCTION, false),
// No Android keycode defined for CEC_KEYCODE_PAUSE_PLAY_FUNCTION
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_PAUSE_PLAY_FUNCTION, false),
// No Android keycode defined for CEC_KEYCODE_RECORD_FUNCTION
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_RECORD_FUNCTION, false),
// No Android keycode defined for CEC_KEYCODE_PAUSE_RECORD_FUNCTION
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_PAUSE_RECORD_FUNCTION, false),
// No Android keycode defined for CEC_KEYCODE_STOP_FUNCTION
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_STOP_FUNCTION, false),
// No Android keycode defined for CEC_KEYCODE_MUTE_FUNCTION
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_MUTE_FUNCTION, false),
// No Android keycode defined for CEC_KEYCODE_RESTORE_VOLUME_FUNCTION
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_RESTORE_VOLUME_FUNCTION, false),
// No Android keycode defined for CEC_KEYCODE_TUNE_FUNCTION
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_TUNE_FUNCTION, false),
// No Android keycode defined for CEC_KEYCODE_SELECT_MEDIA_FUNCTION
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_SELECT_MEDIA_FUNCTION, false),
// No Android keycode defined for CEC_KEYCODE_SELECT_AV_INPUT_FUNCTION
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_SELECT_AV_INPUT_FUNCTION, false),
// No Android keycode defined for CEC_KEYCODE_SELECT_AUDIO_INPUT_FUNCTION
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_SELECT_AUDIO_INPUT_FUNCTION, false),
// No Android keycode defined for CEC_KEYCODE_POWER_TOGGLE_FUNCTION
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_POWER_TOGGLE_FUNCTION, false),
// No Android keycode defined for CEC_KEYCODE_POWER_OFF_FUNCTION
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_POWER_OFF_FUNCTION, false),
// No Android keycode defined for CEC_KEYCODE_POWER_ON_FUNCTION
new KeycodeEntry(UNSUPPORTED_KEYCODE, CEC_KEYCODE_POWER_ON_FUNCTION, false),
// RESERVED
new KeycodeEntry(KeyEvent.KEYCODE_PROG_BLUE, CEC_KEYCODE_F1_BLUE),
new KeycodeEntry(KeyEvent.KEYCODE_PROG_RED, CEC_KEYCODE_F2_RED),
new KeycodeEntry(KeyEvent.KEYCODE_PROG_GREEN, CEC_KEYCODE_F3_GREEN),
new KeycodeEntry(KeyEvent.KEYCODE_PROG_YELLOW, CEC_KEYCODE_F4_YELLOW),
new KeycodeEntry(KeyEvent.KEYCODE_F5, CEC_KEYCODE_F5),
new KeycodeEntry(KeyEvent.KEYCODE_TV_DATA_SERVICE, CEC_KEYCODE_DATA),
// RESERVED
// Add a new key mapping here if new keycode is introduced.
};
/**
* Translate Android keycode to Hdmi Cec keycode and params.
*
* @param keycode Android keycode. For details, refer {@link KeyEvent}
* @return byte array of CEC keycode and params if matched. Otherwise, return null.
*/
static byte[] androidKeyToCecKey(int keycode) {
for (int i = 0; i < KEYCODE_ENTRIES.length; ++i) {
byte[] cecKeycodeAndParams = KEYCODE_ENTRIES[i].toCecKeycodeAndParamIfMatched(keycode);
if (cecKeycodeAndParams != null) {
return cecKeycodeAndParams;
}
}
return null;
}
/**
* Translate Hdmi CEC keycode with params to Android keycode.
*
* @param cecKeycodeAndParams CEC keycode and params
* @return cec keycode corresponding to the given android keycode. If finds no matched keycode,
* return {@link #UNSUPPORTED_KEYCODE}
*/
static int cecKeycodeAndParamsToAndroidKey(byte[] cecKeycodeAndParams) {
for (int i = 0; i < KEYCODE_ENTRIES.length; ++i) {
int androidKey = KEYCODE_ENTRIES[i].toAndroidKeycodeIfMatched(cecKeycodeAndParams);
if (androidKey != UNSUPPORTED_KEYCODE) {
return androidKey;
}
}
return UNSUPPORTED_KEYCODE;
}
/**
* Whether the given {@code androidKeycode} is repeatable key or not.
*
* @param androidKeycode keycode of android
* @return false if the given {@code androidKeycode} is not supported key code
*/
static boolean isRepeatableKey(int androidKeycode) {
for (int i = 0; i < KEYCODE_ENTRIES.length; ++i) {
Boolean isRepeatable = KEYCODE_ENTRIES[i].isRepeatableIfMatched(androidKeycode);
if (isRepeatable != null) {
return isRepeatable;
}
}
return false;
}
/**
* Returns {@code true} if given Android keycode is supported, otherwise {@code false}.
*/
static boolean isSupportedKeycode(int androidKeycode) {
return HdmiCecKeycode.androidKeyToCecKey(androidKeycode) != null;
}
}