1/*
2 * Copyright (C) 2014 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 android.support.v7.internal.widget;
18
19import android.content.Context;
20import android.content.res.ColorStateList;
21import android.content.res.Resources;
22import android.content.res.TypedArray;
23import android.graphics.drawable.Drawable;
24import android.util.AttributeSet;
25import android.util.TypedValue;
26
27/**
28 * A class that wraps a {@link android.content.res.TypedArray} and provides the same public API
29 * surface. The purpose of this class is so that we can intercept the {@link #getDrawable(int)}
30 * call and tint the result.
31 *
32 * @hide
33 */
34public class TintTypedArray {
35
36    private final Context mContext;
37    private final TypedArray mWrapped;
38
39    private TintManager mTintManager;
40
41    public static TintTypedArray obtainStyledAttributes(Context context, AttributeSet set,
42            int[] attrs) {
43        TypedArray array = context.obtainStyledAttributes(set, attrs);
44        return new TintTypedArray(context, array);
45    }
46
47    public static TintTypedArray obtainStyledAttributes(Context context, AttributeSet set,
48            int[] attrs, int defStyleAttr, int defStyleRes) {
49        TypedArray array = context.obtainStyledAttributes(set, attrs, defStyleAttr, defStyleRes);
50        return new TintTypedArray(context, array);
51    }
52
53    private TintTypedArray(Context context, TypedArray array) {
54        mContext = context;
55        mWrapped = array;
56    }
57
58    public Drawable getDrawable(int index) {
59        if (mWrapped.hasValue(index)) {
60            final int resourceId = mWrapped.getResourceId(index, 0);
61            if (resourceId != 0) {
62                return getTintManager().getDrawable(resourceId);
63            }
64        }
65        return mWrapped.getDrawable(index);
66    }
67
68    public int length() {
69        return mWrapped.length();
70    }
71
72    public int getIndexCount() {
73        return mWrapped.getIndexCount();
74    }
75
76    public int getIndex(int at) {
77        return mWrapped.getIndex(at);
78    }
79
80    public Resources getResources() {
81        return mWrapped.getResources();
82    }
83
84    public CharSequence getText(int index) {
85        return mWrapped.getText(index);
86    }
87
88    public String getString(int index) {
89        return mWrapped.getString(index);
90    }
91
92    public String getNonResourceString(int index) {
93        return mWrapped.getNonResourceString(index);
94    }
95
96    public boolean getBoolean(int index, boolean defValue) {
97        return mWrapped.getBoolean(index, defValue);
98    }
99
100    public int getInt(int index, int defValue) {
101        return mWrapped.getInt(index, defValue);
102    }
103
104    public float getFloat(int index, float defValue) {
105        return mWrapped.getFloat(index, defValue);
106    }
107
108    public int getColor(int index, int defValue) {
109        return mWrapped.getColor(index, defValue);
110    }
111
112    public ColorStateList getColorStateList(int index) {
113        return mWrapped.getColorStateList(index);
114    }
115
116    public int getInteger(int index, int defValue) {
117        return mWrapped.getInteger(index, defValue);
118    }
119
120    public float getDimension(int index, float defValue) {
121        return mWrapped.getDimension(index, defValue);
122    }
123
124    public int getDimensionPixelOffset(int index, int defValue) {
125        return mWrapped.getDimensionPixelOffset(index, defValue);
126    }
127
128    public int getDimensionPixelSize(int index, int defValue) {
129        return mWrapped.getDimensionPixelSize(index, defValue);
130    }
131
132    public int getLayoutDimension(int index, String name) {
133        return mWrapped.getLayoutDimension(index, name);
134    }
135
136    public int getLayoutDimension(int index, int defValue) {
137        return mWrapped.getLayoutDimension(index, defValue);
138    }
139
140    public float getFraction(int index, int base, int pbase, float defValue) {
141        return mWrapped.getFraction(index, base, pbase, defValue);
142    }
143
144    public int getResourceId(int index, int defValue) {
145        return mWrapped.getResourceId(index, defValue);
146    }
147
148    public CharSequence[] getTextArray(int index) {
149        return mWrapped.getTextArray(index);
150    }
151
152    public boolean getValue(int index, TypedValue outValue) {
153        return mWrapped.getValue(index, outValue);
154    }
155
156    public int getType(int index) {
157        return mWrapped.getType(index);
158    }
159
160    public boolean hasValue(int index) {
161        return mWrapped.hasValue(index);
162    }
163
164    public TypedValue peekValue(int index) {
165        return mWrapped.peekValue(index);
166    }
167
168    public String getPositionDescription() {
169        return mWrapped.getPositionDescription();
170    }
171
172    public void recycle() {
173        mWrapped.recycle();
174    }
175
176    public int getChangingConfigurations() {
177        return mWrapped.getChangingConfigurations();
178    }
179
180    public TintManager getTintManager() {
181        if (mTintManager == null) {
182            mTintManager = new TintManager(mContext);
183        }
184        return mTintManager;
185    }
186
187}
188