289 lines
12 KiB
Java
289 lines
12 KiB
Java
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.inputmethod.latin;
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public final class Constants {
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public static final class Color {
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/**
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* The alpha value for fully opaque.
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*/
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public final static int ALPHA_OPAQUE = 255;
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}
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public static final class ImeOption {
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/**
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* The private IME option used to indicate that no microphone should be shown for a given
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* text field. For instance, this is specified by the search dialog when the dialog is
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* already showing a voice search button.
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*
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* @deprecated Use {@link ImeOption#NO_MICROPHONE} with package name prefixed.
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*/
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@SuppressWarnings("dep-ann")
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public static final String NO_MICROPHONE_COMPAT = "nm";
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/**
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* The private IME option used to indicate that no microphone should be shown for a given
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* text field. For instance, this is specified by the search dialog when the dialog is
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* already showing a voice search button.
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*/
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public static final String NO_MICROPHONE = "noMicrophoneKey";
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/**
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* The private IME option used to indicate that no settings key should be shown for a given
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* text field.
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*/
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public static final String NO_SETTINGS_KEY = "noSettingsKey";
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/**
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* The private IME option used to indicate that the given text field needs ASCII code points
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* input.
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*
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* @deprecated Use EditorInfo#IME_FLAG_FORCE_ASCII.
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*/
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@SuppressWarnings("dep-ann")
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public static final String FORCE_ASCII = "forceAscii";
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private ImeOption() {
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// This utility class is not publicly instantiable.
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}
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}
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public static final class Subtype {
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/**
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* The subtype mode used to indicate that the subtype is a keyboard.
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*/
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public static final String KEYBOARD_MODE = "keyboard";
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public static final class ExtraValue {
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/**
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* The subtype extra value used to indicate that this subtype is capable of
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* entering ASCII characters.
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*/
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public static final String ASCII_CAPABLE = "AsciiCapable";
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/**
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* The subtype extra value used to indicate that this subtype is enabled
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* when the default subtype is not marked as ascii capable.
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*/
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public static final String ENABLED_WHEN_DEFAULT_IS_NOT_ASCII_CAPABLE =
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"EnabledWhenDefaultIsNotAsciiCapable";
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/**
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* The subtype extra value used to indicate that this subtype is capable of
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* entering emoji characters.
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*/
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public static final String EMOJI_CAPABLE = "EmojiCapable";
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/**
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* The subtype extra value used to indicate that this subtype requires a network
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* connection to work.
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*/
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public static final String REQ_NETWORK_CONNECTIVITY = "requireNetworkConnectivity";
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/**
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* The subtype extra value used to indicate that the display name of this subtype
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* contains a "%s" for printf-like replacement and it should be replaced by
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* this extra value.
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* This extra value is supported on JellyBean and later.
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*/
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public static final String UNTRANSLATABLE_STRING_IN_SUBTYPE_NAME =
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"UntranslatableReplacementStringInSubtypeName";
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/**
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* The subtype extra value used to indicate this subtype keyboard layout set name.
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* This extra value is private to LatinIME.
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*/
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public static final String KEYBOARD_LAYOUT_SET = "KeyboardLayoutSet";
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/**
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* The subtype extra value used to indicate that this subtype is an additional subtype
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* that the user defined. This extra value is private to LatinIME.
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*/
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public static final String IS_ADDITIONAL_SUBTYPE = "isAdditionalSubtype";
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private ExtraValue() {
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// This utility class is not publicly instantiable.
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}
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}
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private Subtype() {
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// This utility class is not publicly instantiable.
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}
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}
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public static final class TextUtils {
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/**
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* Capitalization mode for {@link android.text.TextUtils#getCapsMode}: don't capitalize
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* characters. This value may be used with
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* {@link android.text.TextUtils#CAP_MODE_CHARACTERS},
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* {@link android.text.TextUtils#CAP_MODE_WORDS}, and
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* {@link android.text.TextUtils#CAP_MODE_SENTENCES}.
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*/
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// TODO: Straighten this out. It's bizarre to have to use android.text.TextUtils.CAP_MODE_*
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// except for OFF that is in Constants.TextUtils.
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public static final int CAP_MODE_OFF = 0;
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private TextUtils() {
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// This utility class is not publicly instantiable.
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}
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}
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public static final int NOT_A_CODE = -1;
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public static final int NOT_A_CURSOR_POSITION = -1;
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// TODO: replace the following constants with state in InputTransaction?
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public static final int NOT_A_COORDINATE = -1;
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public static final int SUGGESTION_STRIP_COORDINATE = -2;
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public static final int SPELL_CHECKER_COORDINATE = -3;
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public static final int EXTERNAL_KEYBOARD_COORDINATE = -4;
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// A hint on how many characters to cache from the TextView. A good value of this is given by
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// how many characters we need to be able to almost always find the caps mode.
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public static final int EDITOR_CONTENTS_CACHE_SIZE = 1024;
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// Must be equal to MAX_WORD_LENGTH in native/jni/src/defines.h
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public static final int DICTIONARY_MAX_WORD_LENGTH = 48;
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// Key events coming any faster than this are long-presses.
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public static final int LONG_PRESS_MILLISECONDS = 200;
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// TODO: Set this value appropriately.
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public static final int GET_SUGGESTED_WORDS_TIMEOUT = 200;
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// How many continuous deletes at which to start deleting at a higher speed.
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public static final int DELETE_ACCELERATE_AT = 20;
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public static boolean isValidCoordinate(final int coordinate) {
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// Detect {@link NOT_A_COORDINATE}, {@link SUGGESTION_STRIP_COORDINATE},
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// and {@link SPELL_CHECKER_COORDINATE}.
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return coordinate >= 0;
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}
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/**
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* Custom request code used in
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* {@link com.android.inputmethod.keyboard.KeyboardActionListener#onCustomRequest(int)}.
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*/
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// The code to show input method picker.
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public static final int CUSTOM_CODE_SHOW_INPUT_METHOD_PICKER = 1;
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/**
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* Some common keys code. Must be positive.
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*/
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public static final int CODE_ENTER = '\n';
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public static final int CODE_TAB = '\t';
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public static final int CODE_SPACE = ' ';
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public static final int CODE_PERIOD = '.';
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public static final int CODE_COMMA = ',';
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public static final int CODE_ARMENIAN_PERIOD = 0x0589;
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public static final int CODE_DASH = '-';
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public static final int CODE_SINGLE_QUOTE = '\'';
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public static final int CODE_DOUBLE_QUOTE = '"';
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public static final int CODE_QUESTION_MARK = '?';
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public static final int CODE_EXCLAMATION_MARK = '!';
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public static final int CODE_SLASH = '/';
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public static final int CODE_BACKSLASH = '\\';
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public static final int CODE_VERTICAL_BAR = '|';
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public static final int CODE_COMMERCIAL_AT = '@';
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public static final int CODE_PLUS = '+';
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public static final int CODE_PERCENT = '%';
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public static final int CODE_CLOSING_PARENTHESIS = ')';
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public static final int CODE_CLOSING_SQUARE_BRACKET = ']';
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public static final int CODE_CLOSING_CURLY_BRACKET = '}';
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public static final int CODE_CLOSING_ANGLE_BRACKET = '>';
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/**
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* Special keys code. Must be negative.
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* These should be aligned with {@link KeyboardCodesSet#ID_TO_NAME},
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* {@link KeyboardCodesSet#DEFAULT}, and {@link KeyboardCodesSet#RTL}.
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*/
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public static final int CODE_SHIFT = -1;
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public static final int CODE_CAPSLOCK = -2;
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public static final int CODE_SWITCH_ALPHA_SYMBOL = -3;
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public static final int CODE_OUTPUT_TEXT = -4;
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public static final int CODE_DELETE = -5;
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public static final int CODE_SETTINGS = -6;
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public static final int CODE_SHORTCUT = -7;
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public static final int CODE_ACTION_NEXT = -8;
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public static final int CODE_ACTION_PREVIOUS = -9;
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public static final int CODE_LANGUAGE_SWITCH = -10;
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public static final int CODE_EMOJI = -11;
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public static final int CODE_SHIFT_ENTER = -12;
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public static final int CODE_SYMBOL_SHIFT = -13;
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public static final int CODE_ALPHA_FROM_EMOJI = -14;
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// Code value representing the code is not specified.
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public static final int CODE_UNSPECIFIED = -15;
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public static boolean isLetterCode(final int code) {
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return code >= CODE_SPACE;
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}
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public static String printableCode(final int code) {
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switch (code) {
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case CODE_SHIFT: return "shift";
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case CODE_CAPSLOCK: return "capslock";
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case CODE_SWITCH_ALPHA_SYMBOL: return "symbol";
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case CODE_OUTPUT_TEXT: return "text";
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case CODE_DELETE: return "delete";
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case CODE_SETTINGS: return "settings";
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case CODE_SHORTCUT: return "shortcut";
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case CODE_ACTION_NEXT: return "actionNext";
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case CODE_ACTION_PREVIOUS: return "actionPrevious";
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case CODE_LANGUAGE_SWITCH: return "languageSwitch";
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case CODE_EMOJI: return "emoji";
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case CODE_SHIFT_ENTER: return "shiftEnter";
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case CODE_UNSPECIFIED: return "unspec";
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case CODE_TAB: return "tab";
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case CODE_ENTER: return "enter";
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case CODE_ALPHA_FROM_EMOJI: return "alpha";
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default:
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if (code < CODE_SPACE) return String.format("'\\u%02x'", code);
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if (code < 0x100) return String.format("'%c'", code);
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return String.format("'\\u%04x'", code);
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}
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}
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public static String printableCodes(final int[] codes) {
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final StringBuilder sb = new StringBuilder();
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boolean addDelimiter = false;
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for (final int code : codes) {
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if (code == NOT_A_CODE) break;
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if (addDelimiter) sb.append(", ");
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sb.append(printableCode(code));
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addDelimiter = true;
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}
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return "[" + sb + "]";
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}
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public static final int MAX_INT_BIT_COUNT = 32;
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/**
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* Screen metrics (a.k.a. Device form factor) constants of
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* {@link R.integer#config_screen_metrics}.
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*/
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public static final int SCREEN_METRICS_SMALL_PHONE = 0;
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public static final int SCREEN_METRICS_LARGE_PHONE = 1;
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public static final int SCREEN_METRICS_LARGE_TABLET = 2;
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public static final int SCREEN_METRICS_SMALL_TABLET = 3;
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/**
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* Default capacity of gesture points container.
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* This constant is used by {@link BatchInputArbiter} and etc. to preallocate regions that
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* contain gesture event points.
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*/
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public static final int DEFAULT_GESTURE_POINTS_CAPACITY = 128;
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private Constants() {
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// This utility class is not publicly instantiable.
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}
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}
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