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/*
* Copyright (C) 2011 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.inputmethod.keyboard;
import android.content.Context;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.util.DisplayMetrics;
import android.view.inputmethod.EditorInfo;
import com.android.inputmethod.latin.LatinIME;
import com.android.inputmethod.latin.R;
import com.android.inputmethod.latin.SettingsValues;
import com.android.inputmethod.latin.SubtypeSwitcher;
import com.android.inputmethod.latin.Utils;
import java.util.Locale;
/**
* This class has a set of {@link KeyboardId}s. Each of them represents a different keyboard
* specific to a keyboard state, such as alphabet, symbols, and so on. Layouts in the same
* {@link KeyboardSet} are related to each other.
* A {@link KeyboardSet} needs to be created for each {@link android.view.inputmethod.EditorInfo}.
*/
public class KeyboardSet {
// TODO: Make these KeyboardId private.
public final KeyboardId mAlphabetId;
public final KeyboardId mSymbolsId;
public final KeyboardId mSymbolsShiftedId;
KeyboardSet(Builder builder) {
mAlphabetId = builder.getKeyboardId(false, false);
mSymbolsId = builder.getKeyboardId(true, false);
mSymbolsShiftedId = builder.getKeyboardId(true, true);
}
public static class Builder {
private final Resources mResources;
private final EditorInfo mEditorInfo;
private final int mMode;
private final boolean mVoiceKeyEnabled;
private final boolean mNoSettingsKey;
private final boolean mHasSettingsKey;
private final int mF2KeyMode;
private final boolean mVoiceKeyOnMain;
private final Locale mLocale;
private final Configuration mConf;
private final DisplayMetrics mMetrics;
public Builder(Context context, EditorInfo editorInfo, SettingsValues settingsValues) {
mResources = context.getResources();
mEditorInfo = editorInfo;
final SubtypeSwitcher subtypeSwitcher = SubtypeSwitcher.getInstance();
final String packageName = context.getPackageName();
mMode = Utils.getKeyboardMode(mEditorInfo);
final boolean settingsKeyEnabled = settingsValues.isSettingsKeyEnabled();
@SuppressWarnings("deprecation")
final boolean noMicrophone = Utils.inPrivateImeOptions(
packageName, LatinIME.IME_OPTION_NO_MICROPHONE, editorInfo)
|| Utils.inPrivateImeOptions(
null, LatinIME.IME_OPTION_NO_MICROPHONE_COMPAT, editorInfo);
mVoiceKeyEnabled = settingsValues.isVoiceKeyEnabled(editorInfo) && !noMicrophone;
mVoiceKeyOnMain = settingsValues.isVoiceKeyOnMain();
mNoSettingsKey = Utils.inPrivateImeOptions(
packageName, LatinIME.IME_OPTION_NO_SETTINGS_KEY, editorInfo);
mHasSettingsKey = settingsKeyEnabled && !mNoSettingsKey;
mF2KeyMode = getF2KeyMode(settingsKeyEnabled, mNoSettingsKey);
final boolean forceAscii = Utils.inPrivateImeOptions(
packageName, LatinIME.IME_OPTION_FORCE_ASCII, editorInfo);
final boolean asciiCapable = subtypeSwitcher.currentSubtypeContainsExtraValueKey(
LatinIME.SUBTYPE_EXTRA_VALUE_ASCII_CAPABLE);
mLocale = (forceAscii && !asciiCapable) ? Locale.US : subtypeSwitcher.getInputLocale();
mConf = mResources.getConfiguration();
mMetrics = mResources.getDisplayMetrics();
}
public KeyboardSet build() {
return new KeyboardSet(this);
}
KeyboardId getKeyboardId(boolean isSymbols, boolean isShift) {
final int xmlId = getXmlId(mMode, isSymbols, isShift);
final boolean hasShortCutKey = mVoiceKeyEnabled && (isSymbols != mVoiceKeyOnMain);
return new KeyboardId(mResources.getResourceEntryName(xmlId), xmlId, mLocale,
mConf.orientation, mMetrics.widthPixels, mMode, mEditorInfo, mHasSettingsKey,
mF2KeyMode, mNoSettingsKey, mVoiceKeyEnabled, hasShortCutKey);
}
private static int getXmlId(int mode, boolean isSymbols, boolean isShift) {
switch (mode) {
case KeyboardId.MODE_PHONE:
return (isSymbols && isShift) ? R.xml.kbd_phone_shift : R.xml.kbd_phone;
case KeyboardId.MODE_NUMBER:
return R.xml.kbd_number;
default:
if (isSymbols) {
return isShift ? R.xml.kbd_symbols_shift : R.xml.kbd_symbols;
}
return R.xml.kbd_qwerty;
}
}
private static int getF2KeyMode(boolean settingsKeyEnabled, boolean noSettingsKey) {
if (noSettingsKey) {
// Never shows the Settings key
return KeyboardId.F2KEY_MODE_SHORTCUT_IME;
}
if (settingsKeyEnabled) {
return KeyboardId.F2KEY_MODE_SETTINGS;
} else {
// It should be alright to fall back to the Settings key on 7-inch layouts
// even when the Settings key is not explicitly enabled.
return KeyboardId.F2KEY_MODE_SHORTCUT_IME_OR_SETTINGS;
}
}
}
}
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