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1 /*
2  * Copyright (C) 2018 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 
17 package com.android.dialer.theme.base.impl;
18 
19 import android.content.Context;
20 import android.content.res.TypedArray;
21 import android.support.annotation.ColorInt;
22 import android.support.annotation.StyleRes;
23 import android.view.ContextThemeWrapper;
24 import android.view.LayoutInflater;
25 import com.android.dialer.common.Assert;
26 import com.android.dialer.theme.base.R;
27 import com.android.dialer.theme.base.Theme;
28 import javax.inject.Singleton;
29 
30 /** Utility for fetching */
31 @SuppressWarnings("unused")
32 @Singleton
33 public class AospThemeImpl implements Theme {
34 
35   private int colorIcon = -1;
36   private int colorIconSecondary = -1;
37   private int colorPrimary = -1;
38   private int colorPrimaryDark = -1;
39   private int colorAccent = -1;
40   private int textColorPrimary = -1;
41   private int textColorSecondary = -1;
42   private int textColorPrimaryInverse = -1;
43   private int textColorHint = -1;
44   private int colorBackground = -1;
45   private int colorBackgroundFloating = -1;
46   private int colorTextOnUnthemedDarkBackground = -1;
47   private int colorIconOnUnthemedDarkBackground = -1;
48 
AospThemeImpl(Context context)49   public AospThemeImpl(Context context) {
50 
51     context = context.getApplicationContext();
52     context.setTheme(getApplicationThemeRes());
53     TypedArray array =
54         context
55             .getTheme()
56             .obtainStyledAttributes(
57                 getApplicationThemeRes(),
58                 new int[] {
59                   android.R.attr.colorPrimary,
60                   android.R.attr.colorPrimaryDark,
61                   android.R.attr.colorAccent,
62                   android.R.attr.textColorPrimary,
63                   android.R.attr.textColorSecondary,
64                   android.R.attr.textColorPrimaryInverse,
65                   android.R.attr.textColorHint,
66                   android.R.attr.colorBackground,
67                   android.R.attr.colorBackgroundFloating,
68                   R.attr.colorIcon,
69                   R.attr.colorIconSecondary,
70                   R.attr.colorTextOnUnthemedDarkBackground,
71                   R.attr.colorIconOnUnthemedDarkBackground,
72                 });
73     colorPrimary = array.getColor(/* index= */ 0, /* defValue= */ -1);
74     colorPrimaryDark = array.getColor(/* index= */ 1, /* defValue= */ -1);
75     colorAccent = array.getColor(/* index= */ 2, /* defValue= */ -1);
76     textColorPrimary = array.getColor(/* index= */ 3, /* defValue= */ -1);
77     textColorSecondary = array.getColor(/* index= */ 4, /* defValue= */ -1);
78     textColorPrimaryInverse = array.getColor(/* index= */ 5, /* defValue= */ -1);
79     textColorHint = array.getColor(/* index= */ 6, /* defValue= */ -1);
80     colorBackground = array.getColor(/* index= */ 7, /* defValue= */ -1);
81     colorBackgroundFloating = array.getColor(/* index= */ 8, /* defValue= */ -1);
82     colorIcon = array.getColor(/* index= */ 9, /* defValue= */ -1);
83     colorIconSecondary = array.getColor(/* index= */ 10, /* defValue= */ -1);
84     colorTextOnUnthemedDarkBackground = array.getColor(/* index= */ 11, /* defValue= */ -1);
85     colorIconOnUnthemedDarkBackground = array.getColor(/* index= */ 12, /* defValue= */ -1);
86     array.recycle();
87   }
88 
89   /**
90    * Returns the {@link Theme} that the application is using. Activities should check this value if
91    * their custom style needs to customize further based on the application theme.
92    */
93   @Override
getTheme()94   public @Type int getTheme() {
95     // TODO(a bug): add share prefs check to configure this
96     return LIGHT;
97   }
98 
99   @Override
getApplicationThemeRes()100   public @StyleRes int getApplicationThemeRes() {
101     switch (getTheme()) {
102       case DARK:
103         return R.style.Dialer_Dark_ThemeBase_NoActionBar;
104       case LIGHT:
105         return R.style.Dialer_ThemeBase_NoActionBar;
106       case UNKNOWN:
107       default:
108         throw Assert.createIllegalStateFailException("Theme hasn't been set yet.");
109     }
110   }
111 
112   @Override
getThemedContext(Context context)113   public Context getThemedContext(Context context) {
114     return new ContextThemeWrapper(context, getApplicationThemeRes());
115   }
116 
117   @Override
getThemedLayoutInflator(LayoutInflater inflater)118   public LayoutInflater getThemedLayoutInflator(LayoutInflater inflater) {
119     return inflater.cloneInContext(getThemedContext(inflater.getContext()));
120   }
121 
122   @Override
getColorIcon()123   public @ColorInt int getColorIcon() {
124     Assert.checkArgument(colorIcon != -1);
125     return colorIcon;
126   }
127 
128   @Override
getColorIconSecondary()129   public @ColorInt int getColorIconSecondary() {
130     Assert.checkArgument(colorIconSecondary != -1);
131     return colorIconSecondary;
132   }
133 
134   @Override
getColorPrimary()135   public @ColorInt int getColorPrimary() {
136     Assert.checkArgument(colorPrimary != -1);
137     return colorPrimary;
138   }
139 
140   @Override
getColorPrimaryDark()141   public int getColorPrimaryDark() {
142     Assert.checkArgument(colorPrimaryDark != -1);
143     return colorPrimaryDark;
144   }
145 
146   @Override
getColorAccent()147   public @ColorInt int getColorAccent() {
148     Assert.checkArgument(colorAccent != -1);
149     return colorAccent;
150   }
151 
152   @Override
getTextColorSecondary()153   public @ColorInt int getTextColorSecondary() {
154     Assert.checkArgument(textColorSecondary != -1);
155     return textColorSecondary;
156   }
157 
158   @Override
getTextColorPrimary()159   public @ColorInt int getTextColorPrimary() {
160     Assert.checkArgument(textColorPrimary != -1);
161     return textColorPrimary;
162   }
163 
164   @Override
getColorTextOnUnthemedDarkBackground()165   public @ColorInt int getColorTextOnUnthemedDarkBackground() {
166     Assert.checkArgument(colorTextOnUnthemedDarkBackground != -1);
167     return colorTextOnUnthemedDarkBackground;
168   }
169 
170   @Override
getColorIconOnUnthemedDarkBackground()171   public @ColorInt int getColorIconOnUnthemedDarkBackground() {
172     Assert.checkArgument(colorIconOnUnthemedDarkBackground != -1);
173     return colorIconOnUnthemedDarkBackground;
174   }
175 }
176