124 lines
5 KiB
Java
124 lines
5 KiB
Java
/*
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* Copyright (C) 2011 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.Resources;
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import android.content.res.TypedArray;
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import android.graphics.drawable.Drawable;
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import android.util.Log;
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import android.util.SparseIntArray;
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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 java.util.HashMap;
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public final class KeyboardIconsSet {
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private static final String TAG = KeyboardIconsSet.class.getSimpleName();
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public static final int ICON_UNDEFINED = 0;
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private static final int ATTR_UNDEFINED = 0;
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private static final SparseIntArray ATTR_ID_TO_ICON_ID = new SparseIntArray();
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// Icon name to icon id map.
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private static final HashMap<String, Integer> sNameToIdsMap = CollectionUtils.newHashMap();
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private static final Object[] NAMES_AND_ATTR_IDS = {
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"undefined", ATTR_UNDEFINED,
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"shift_key", R.styleable.Keyboard_iconShiftKey,
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"delete_key", R.styleable.Keyboard_iconDeleteKey,
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"settings_key", R.styleable.Keyboard_iconSettingsKey,
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"space_key", R.styleable.Keyboard_iconSpaceKey,
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"enter_key", R.styleable.Keyboard_iconEnterKey,
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"search_key", R.styleable.Keyboard_iconSearchKey,
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"tab_key", R.styleable.Keyboard_iconTabKey,
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"shortcut_key", R.styleable.Keyboard_iconShortcutKey,
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"shortcut_for_label", R.styleable.Keyboard_iconShortcutForLabel,
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"space_key_for_number_layout", R.styleable.Keyboard_iconSpaceKeyForNumberLayout,
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"shift_key_shifted", R.styleable.Keyboard_iconShiftKeyShifted,
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"shortcut_key_disabled", R.styleable.Keyboard_iconShortcutKeyDisabled,
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"tab_key_preview", R.styleable.Keyboard_iconTabKeyPreview,
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"language_switch_key", R.styleable.Keyboard_iconLanguageSwitchKey,
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"zwnj_key", R.styleable.Keyboard_iconZwnjKey,
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"zwj_key", R.styleable.Keyboard_iconZwjKey,
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};
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private static int NUM_ICONS = NAMES_AND_ATTR_IDS.length / 2;
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private static final String[] ICON_NAMES = new String[NUM_ICONS];
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private final Drawable[] mIcons = new Drawable[NUM_ICONS];
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static {
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int iconId = ICON_UNDEFINED;
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for (int i = 0; i < NAMES_AND_ATTR_IDS.length; i += 2) {
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final String name = (String)NAMES_AND_ATTR_IDS[i];
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final Integer attrId = (Integer)NAMES_AND_ATTR_IDS[i + 1];
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if (attrId != ATTR_UNDEFINED) {
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ATTR_ID_TO_ICON_ID.put(attrId, iconId);
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}
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sNameToIdsMap.put(name, iconId);
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ICON_NAMES[iconId] = name;
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iconId++;
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}
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}
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public void loadIcons(final TypedArray keyboardAttrs) {
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final int size = ATTR_ID_TO_ICON_ID.size();
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for (int index = 0; index < size; index++) {
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final int attrId = ATTR_ID_TO_ICON_ID.keyAt(index);
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try {
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final Drawable icon = keyboardAttrs.getDrawable(attrId);
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setDefaultBounds(icon);
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final Integer iconId = ATTR_ID_TO_ICON_ID.get(attrId);
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mIcons[iconId] = icon;
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} catch (Resources.NotFoundException e) {
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Log.w(TAG, "Drawable resource for icon #"
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+ keyboardAttrs.getResources().getResourceEntryName(attrId)
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+ " not found");
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}
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}
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}
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private static boolean isValidIconId(final int iconId) {
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return iconId >= 0 && iconId < ICON_NAMES.length;
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}
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public static String getIconName(final int iconId) {
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return isValidIconId(iconId) ? ICON_NAMES[iconId] : "unknown<" + iconId + ">";
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}
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static int getIconId(final String name) {
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Integer iconId = sNameToIdsMap.get(name);
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if (iconId != null) {
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return iconId;
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}
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throw new RuntimeException("unknown icon name: " + name);
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}
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public Drawable getIconDrawable(final int iconId) {
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if (isValidIconId(iconId)) {
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return mIcons[iconId];
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}
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throw new RuntimeException("unknown icon id: " + getIconName(iconId));
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}
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private static void setDefaultBounds(final Drawable icon) {
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if (icon != null) {
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icon.setBounds(0, 0, icon.getIntrinsicWidth(), icon.getIntrinsicHeight());
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}
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}
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}
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