2011-06-21 14:38:42 +00:00
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/*
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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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2011-06-22 13:45:03 +00:00
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import android.content.res.Resources;
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2011-06-21 14:38:42 +00:00
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import android.content.res.TypedArray;
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import android.graphics.drawable.Drawable;
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2011-06-22 13:45:03 +00:00
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import android.util.Log;
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2011-06-21 14:38:42 +00:00
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import com.android.inputmethod.latin.R;
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2011-12-18 16:11:09 +00:00
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.Map;
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2011-06-21 14:38:42 +00:00
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public class KeyboardIconsSet {
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2011-06-22 13:45:03 +00:00
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private static final String TAG = KeyboardIconsSet.class.getSimpleName();
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2011-06-21 14:38:42 +00:00
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public static final int ICON_UNDEFINED = 0;
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2011-12-18 16:11:09 +00:00
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private final Map<Integer, Drawable> mIcons = new HashMap<Integer, Drawable>();
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2011-06-21 14:38:42 +00:00
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2011-12-18 16:11:09 +00:00
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// The key value should be aligned with the enum value of Keyboard.icon*.
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private static final Map<Integer, Integer> ICONS_TO_ATTRS_MAP = new HashMap<Integer, Integer>();
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private static final Collection<Integer> VALID_ATTRS;
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2011-06-21 14:38:42 +00:00
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2011-12-18 16:11:09 +00:00
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static {
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addIconIdMap(1, R.styleable.Keyboard_iconShiftKey);
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addIconIdMap(2, R.styleable.Keyboard_iconDeleteKey);
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// This is also represented as "@icon/3" in keyboard layout XML.
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addIconIdMap(3, R.styleable.Keyboard_iconSettingsKey);
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addIconIdMap(4, R.styleable.Keyboard_iconSpaceKey);
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addIconIdMap(5, R.styleable.Keyboard_iconReturnKey);
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addIconIdMap(6, R.styleable.Keyboard_iconSearchKey);
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// This is also represented as "@icon/7" in keyboard layout XML.
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addIconIdMap(7, R.styleable.Keyboard_iconTabKey);
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addIconIdMap(8, R.styleable.Keyboard_iconShortcutKey);
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addIconIdMap(9, R.styleable.Keyboard_iconShortcutForLabel);
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addIconIdMap(10, R.styleable.Keyboard_iconSpaceKeyForNumberLayout);
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addIconIdMap(11, R.styleable.Keyboard_iconShiftKeyShifted);
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addIconIdMap(12, R.styleable.Keyboard_iconDisabledShortcutKey);
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addIconIdMap(13, R.styleable.Keyboard_iconPreviewTabKey);
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VALID_ATTRS = ICONS_TO_ATTRS_MAP.values();
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}
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2011-06-21 14:38:42 +00:00
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2011-12-18 16:11:09 +00:00
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private static void addIconIdMap(int iconId, int attrId) {
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ICONS_TO_ATTRS_MAP.put(iconId, attrId);
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2011-06-21 14:38:42 +00:00
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}
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2011-08-01 23:37:13 +00:00
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public void loadIcons(final TypedArray keyboardAttrs) {
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2011-12-18 16:11:09 +00:00
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for (final Integer attrId : VALID_ATTRS) {
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try {
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final Drawable icon = keyboardAttrs.getDrawable(attrId);
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if (icon == null) continue;
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setDefaultBounds(icon);
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mIcons.put(attrId, 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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2011-06-21 14:38:42 +00:00
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}
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}
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}
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2011-12-18 16:11:09 +00:00
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public Drawable getIconByIconId(final Integer iconId) {
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if (iconId == ICON_UNDEFINED) {
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return null;
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2011-12-18 16:11:09 +00:00
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}
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final Integer attrId = ICONS_TO_ATTRS_MAP.get(iconId);
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if (attrId == null) {
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2011-06-21 14:38:42 +00:00
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throw new IllegalArgumentException("icon id is out of range: " + iconId);
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2011-12-18 16:11:09 +00:00
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}
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return getIconByAttrId(attrId);
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}
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public Drawable getIconByAttrId(final Integer attrId) {
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if (!VALID_ATTRS.contains(attrId)) {
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throw new IllegalArgumentException("unknown icon attribute id: " + attrId);
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}
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return mIcons.get(attrId);
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2011-06-21 14:38:42 +00:00
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}
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2011-08-01 23:37:13 +00:00
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private static Drawable 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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return icon;
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}
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2011-06-21 14:38:42 +00:00
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}
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