216 lines
8.5 KiB
Java
216 lines
8.5 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.android.inputmethod.keyboard.internal;
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import android.content.res.TypedArray;
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import android.util.Log;
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import android.util.SparseArray;
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import com.android.inputmethod.latin.CollectionUtils;
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import com.android.inputmethod.latin.R;
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import com.android.inputmethod.latin.XmlParseUtils;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParserException;
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import java.util.HashMap;
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public final class KeyStylesSet {
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private static final String TAG = KeyStylesSet.class.getSimpleName();
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private static final boolean DEBUG = false;
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private final HashMap<String, KeyStyle> mStyles = CollectionUtils.newHashMap();
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private final KeyboardTextsSet mTextsSet;
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private final KeyStyle mEmptyKeyStyle;
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private static final String EMPTY_STYLE_NAME = "<empty>";
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public KeyStylesSet(final KeyboardTextsSet textsSet) {
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mTextsSet = textsSet;
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mEmptyKeyStyle = new EmptyKeyStyle(textsSet);
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mStyles.put(EMPTY_STYLE_NAME, mEmptyKeyStyle);
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}
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private static final class EmptyKeyStyle extends KeyStyle {
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EmptyKeyStyle(final KeyboardTextsSet textsSet) {
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super(textsSet);
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}
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@Override
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public String[] getStringArray(final TypedArray a, final int index) {
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return parseStringArray(a, index);
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}
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@Override
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public String getString(final TypedArray a, final int index) {
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return parseString(a, index);
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}
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@Override
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public int getInt(final TypedArray a, final int index, final int defaultValue) {
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return a.getInt(index, defaultValue);
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}
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@Override
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public int getFlag(final TypedArray a, final int index) {
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return a.getInt(index, 0);
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}
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}
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private static final class DeclaredKeyStyle extends KeyStyle {
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private final HashMap<String, KeyStyle> mStyles;
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private final String mParentStyleName;
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private final SparseArray<Object> mStyleAttributes = CollectionUtils.newSparseArray();
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public DeclaredKeyStyle(final String parentStyleName, final KeyboardTextsSet textsSet,
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final HashMap<String, KeyStyle> styles) {
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super(textsSet);
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mParentStyleName = parentStyleName;
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mStyles = styles;
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}
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@Override
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public String[] getStringArray(final TypedArray a, final int index) {
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if (a.hasValue(index)) {
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return parseStringArray(a, index);
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}
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final Object value = mStyleAttributes.get(index);
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if (value != null) {
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return (String[])value;
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}
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final KeyStyle parentStyle = mStyles.get(mParentStyleName);
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return parentStyle.getStringArray(a, index);
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}
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@Override
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public String getString(final TypedArray a, final int index) {
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if (a.hasValue(index)) {
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return parseString(a, index);
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}
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final Object value = mStyleAttributes.get(index);
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if (value != null) {
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return (String)value;
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}
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final KeyStyle parentStyle = mStyles.get(mParentStyleName);
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return parentStyle.getString(a, index);
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}
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@Override
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public int getInt(final TypedArray a, final int index, final int defaultValue) {
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if (a.hasValue(index)) {
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return a.getInt(index, defaultValue);
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}
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final Object value = mStyleAttributes.get(index);
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if (value != null) {
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return (Integer)value;
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}
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final KeyStyle parentStyle = mStyles.get(mParentStyleName);
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return parentStyle.getInt(a, index, defaultValue);
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}
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@Override
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public int getFlag(final TypedArray a, final int index) {
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int flags = a.getInt(index, 0);
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final Object value = mStyleAttributes.get(index);
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if (value != null) {
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flags |= (Integer)value;
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}
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final KeyStyle parentStyle = mStyles.get(mParentStyleName);
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return flags | parentStyle.getFlag(a, index);
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}
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public void readKeyAttributes(final TypedArray keyAttr) {
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// TODO: Currently not all Key attributes can be declared as style.
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readString(keyAttr, R.styleable.Keyboard_Key_code);
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readString(keyAttr, R.styleable.Keyboard_Key_altCode);
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readString(keyAttr, R.styleable.Keyboard_Key_keyLabel);
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readString(keyAttr, R.styleable.Keyboard_Key_keyOutputText);
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readString(keyAttr, R.styleable.Keyboard_Key_keyHintLabel);
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readStringArray(keyAttr, R.styleable.Keyboard_Key_moreKeys);
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readStringArray(keyAttr, R.styleable.Keyboard_Key_additionalMoreKeys);
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readFlag(keyAttr, R.styleable.Keyboard_Key_keyLabelFlags);
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readString(keyAttr, R.styleable.Keyboard_Key_keyIcon);
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readString(keyAttr, R.styleable.Keyboard_Key_keyIconDisabled);
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readString(keyAttr, R.styleable.Keyboard_Key_keyIconPreview);
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readInt(keyAttr, R.styleable.Keyboard_Key_maxMoreKeysColumn);
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readInt(keyAttr, R.styleable.Keyboard_Key_backgroundType);
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readFlag(keyAttr, R.styleable.Keyboard_Key_keyActionFlags);
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}
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private void readString(final TypedArray a, final int index) {
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if (a.hasValue(index)) {
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mStyleAttributes.put(index, parseString(a, index));
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}
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}
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private void readInt(final TypedArray a, final int index) {
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if (a.hasValue(index)) {
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mStyleAttributes.put(index, a.getInt(index, 0));
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}
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}
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private void readFlag(final TypedArray a, final int index) {
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if (a.hasValue(index)) {
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final Integer value = (Integer)mStyleAttributes.get(index);
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mStyleAttributes.put(index, a.getInt(index, 0) | (value != null ? value : 0));
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}
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}
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private void readStringArray(final TypedArray a, final int index) {
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if (a.hasValue(index)) {
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mStyleAttributes.put(index, parseStringArray(a, index));
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}
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}
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}
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public void parseKeyStyleAttributes(final TypedArray keyStyleAttr, final TypedArray keyAttrs,
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final XmlPullParser parser) throws XmlPullParserException {
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final String styleName = keyStyleAttr.getString(R.styleable.Keyboard_KeyStyle_styleName);
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if (DEBUG) {
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Log.d(TAG, String.format("<%s styleName=%s />",
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KeyboardBuilder.TAG_KEY_STYLE, styleName));
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if (mStyles.containsKey(styleName)) {
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Log.d(TAG, "key-style " + styleName + " is overridden at "
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+ parser.getPositionDescription());
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}
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}
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String parentStyleName = EMPTY_STYLE_NAME;
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if (keyStyleAttr.hasValue(R.styleable.Keyboard_KeyStyle_parentStyle)) {
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parentStyleName = keyStyleAttr.getString(R.styleable.Keyboard_KeyStyle_parentStyle);
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if (!mStyles.containsKey(parentStyleName)) {
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throw new XmlParseUtils.ParseException(
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"Unknown parentStyle " + parentStyleName, parser);
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}
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}
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final DeclaredKeyStyle style = new DeclaredKeyStyle(parentStyleName, mTextsSet, mStyles);
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style.readKeyAttributes(keyAttrs);
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mStyles.put(styleName, style);
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}
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public KeyStyle getKeyStyle(final TypedArray keyAttr, final XmlPullParser parser)
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throws XmlParseUtils.ParseException {
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if (!keyAttr.hasValue(R.styleable.Keyboard_Key_keyStyle)) {
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return mEmptyKeyStyle;
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}
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final String styleName = keyAttr.getString(R.styleable.Keyboard_Key_keyStyle);
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if (!mStyles.containsKey(styleName)) {
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throw new XmlParseUtils.ParseException("Unknown key style: " + styleName, parser);
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}
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return mStyles.get(styleName);
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}
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}
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