1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.inputmethod.keyboard.internal;
18
19import android.content.res.TypedArray;
20import android.graphics.Typeface;
21import android.util.SparseIntArray;
22
23import com.android.inputmethod.latin.R;
24import com.android.inputmethod.latin.ResourceUtils;
25
26public final class KeyVisualAttributes {
27    public final Typeface mTypeface;
28
29    public final float mLetterRatio;
30    public final int mLetterSize;
31    public final float mLabelRatio;
32    public final int mLabelSize;
33    public final float mLargeLetterRatio;
34    public final float mLargeLabelRatio;
35    public final float mHintLetterRatio;
36    public final float mShiftedLetterHintRatio;
37    public final float mHintLabelRatio;
38    public final float mPreviewTextRatio;
39
40    public final int mTextColor;
41    public final int mTextInactivatedColor;
42    public final int mTextShadowColor;
43    public final int mHintLetterColor;
44    public final int mHintLabelColor;
45    public final int mShiftedLetterHintInactivatedColor;
46    public final int mShiftedLetterHintActivatedColor;
47    public final int mPreviewTextColor;
48
49    private static final int[] VISUAL_ATTRIBUTE_IDS = {
50        R.styleable.Keyboard_Key_keyTypeface,
51        R.styleable.Keyboard_Key_keyLetterSize,
52        R.styleable.Keyboard_Key_keyLabelSize,
53        R.styleable.Keyboard_Key_keyLargeLetterRatio,
54        R.styleable.Keyboard_Key_keyLargeLabelRatio,
55        R.styleable.Keyboard_Key_keyHintLetterRatio,
56        R.styleable.Keyboard_Key_keyShiftedLetterHintRatio,
57        R.styleable.Keyboard_Key_keyHintLabelRatio,
58        R.styleable.Keyboard_Key_keyPreviewTextRatio,
59        R.styleable.Keyboard_Key_keyTextColor,
60        R.styleable.Keyboard_Key_keyTextInactivatedColor,
61        R.styleable.Keyboard_Key_keyTextShadowColor,
62        R.styleable.Keyboard_Key_keyHintLetterColor,
63        R.styleable.Keyboard_Key_keyHintLabelColor,
64        R.styleable.Keyboard_Key_keyShiftedLetterHintInactivatedColor,
65        R.styleable.Keyboard_Key_keyShiftedLetterHintActivatedColor,
66        R.styleable.Keyboard_Key_keyPreviewTextColor,
67    };
68    private static final SparseIntArray sVisualAttributeIds = new SparseIntArray();
69    private static final int ATTR_DEFINED = 1;
70    private static final int ATTR_NOT_FOUND = 0;
71    static {
72        for (final int attrId : VISUAL_ATTRIBUTE_IDS) {
73            sVisualAttributeIds.put(attrId, ATTR_DEFINED);
74        }
75    }
76
77    public static KeyVisualAttributes newInstance(final TypedArray keyAttr) {
78        final int indexCount = keyAttr.getIndexCount();
79        for (int i = 0; i < indexCount; i++) {
80            final int attrId = keyAttr.getIndex(i);
81            if (sVisualAttributeIds.get(attrId, ATTR_NOT_FOUND) == ATTR_NOT_FOUND) {
82                continue;
83            }
84            return new KeyVisualAttributes(keyAttr);
85        }
86        return null;
87    }
88
89    private KeyVisualAttributes(final TypedArray keyAttr) {
90        if (keyAttr.hasValue(R.styleable.Keyboard_Key_keyTypeface)) {
91            mTypeface = Typeface.defaultFromStyle(
92                    keyAttr.getInt(R.styleable.Keyboard_Key_keyTypeface, Typeface.NORMAL));
93        } else {
94            mTypeface = null;
95        }
96
97        mLetterRatio = ResourceUtils.getFraction(keyAttr,
98                R.styleable.Keyboard_Key_keyLetterSize);
99        mLetterSize = ResourceUtils.getDimensionPixelSize(keyAttr,
100                R.styleable.Keyboard_Key_keyLetterSize);
101        mLabelRatio = ResourceUtils.getFraction(keyAttr,
102                R.styleable.Keyboard_Key_keyLabelSize);
103        mLabelSize = ResourceUtils.getDimensionPixelSize(keyAttr,
104                R.styleable.Keyboard_Key_keyLabelSize);
105        mLargeLetterRatio = ResourceUtils.getFraction(keyAttr,
106                R.styleable.Keyboard_Key_keyLargeLetterRatio);
107        mLargeLabelRatio = ResourceUtils.getFraction(keyAttr,
108                R.styleable.Keyboard_Key_keyLargeLabelRatio);
109        mHintLetterRatio = ResourceUtils.getFraction(keyAttr,
110                R.styleable.Keyboard_Key_keyHintLetterRatio);
111        mShiftedLetterHintRatio = ResourceUtils.getFraction(keyAttr,
112                R.styleable.Keyboard_Key_keyShiftedLetterHintRatio);
113        mHintLabelRatio = ResourceUtils.getFraction(keyAttr,
114                R.styleable.Keyboard_Key_keyHintLabelRatio);
115        mPreviewTextRatio = ResourceUtils.getFraction(keyAttr,
116                R.styleable.Keyboard_Key_keyPreviewTextRatio);
117
118        mTextColor = keyAttr.getColor(R.styleable.Keyboard_Key_keyTextColor, 0);
119        mTextInactivatedColor = keyAttr.getColor(
120                R.styleable.Keyboard_Key_keyTextInactivatedColor, 0);
121        mTextShadowColor = keyAttr.getColor(R.styleable.Keyboard_Key_keyTextShadowColor, 0);
122        mHintLetterColor = keyAttr.getColor(R.styleable.Keyboard_Key_keyHintLetterColor, 0);
123        mHintLabelColor = keyAttr.getColor(R.styleable.Keyboard_Key_keyHintLabelColor, 0);
124        mShiftedLetterHintInactivatedColor = keyAttr.getColor(
125                R.styleable.Keyboard_Key_keyShiftedLetterHintInactivatedColor, 0);
126        mShiftedLetterHintActivatedColor = keyAttr.getColor(
127                R.styleable.Keyboard_Key_keyShiftedLetterHintActivatedColor, 0);
128        mPreviewTextColor = keyAttr.getColor(R.styleable.Keyboard_Key_keyPreviewTextColor, 0);
129    }
130}
131