Expose background colors for theming.

The background colors are currently defined as a hard coded array
in Utils.java.  This patch moves this array to cm_arrays.xml and
exposes the colors of the array in cm_colors.xml for theming

Ticket: KOV-14

Change-Id: Id72867ee82edd28bc120223be96c34448d79f1ae
(cherry picked from commit ef62c1a92eb6f02e78f8501ddca25ce0ed613132)

6 files changed, 96 insertions, 38 deletions

diff --git a/res/values/cm_arrays.xml b/res/values/cm_arrays.xml
index e0e92a42f..af32189b8 100644
--- a/res/values/cm_arrays.xml
+++ b/res/values/cm_arrays.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-     Copyright (C) 2012-2015 The CyanogenMod Project
+     Copyright (C) 2012-2016 The CyanogenMod Project
 
      Licensed under the Apache License, Version 2.0 (the "License");
      you may not use this file except in compliance with the License.
@@ -22,4 +22,32 @@
       <item>@string/action_summary_dismiss</item>
       <item>@string/action_summary_do_nothing</item>
     </string-array>
+
+    <array name="background_color_by_hour">
+        <item>@color/hour_00</item>
+        <item>@color/hour_01</item>
+        <item>@color/hour_02</item>
+        <item>@color/hour_03</item>
+        <item>@color/hour_04</item>
+        <item>@color/hour_05</item>
+        <item>@color/hour_06</item>
+        <item>@color/hour_07</item>
+        <item>@color/hour_08</item>
+        <item>@color/hour_09</item>
+        <item>@color/hour_10</item>
+        <item>@color/hour_11</item>
+        <item>@color/hour_12</item>
+        <item>@color/hour_13</item>
+        <item>@color/hour_14</item>
+        <item>@color/hour_15</item>
+        <item>@color/hour_16</item>
+        <item>@color/hour_17</item>
+        <item>@color/hour_18</item>
+        <item>@color/hour_19</item>
+        <item>@color/hour_20</item>
+        <item>@color/hour_21</item>
+        <item>@color/hour_22</item>
+        <item>@color/hour_23</item>
+    </array>
+
 </resources>
diff --git a/res/values/cm_colors.xml b/res/values/cm_colors.xml
new file mode 100644
index 000000000..b318bdfe2
--- /dev/null
+++ b/res/values/cm_colors.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2015 The CyanogenMod Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<resources>
+
+    <!--- Colors modify the background of the clock and change hourly -->
+    <color name="hour_00">#212121</color><!-- Midnight -->
+    <color name="hour_01">#27232e</color>
+    <color name="hour_02">#2d253a</color>
+    <color name="hour_03">#332847</color>
+    <color name="hour_04">#382a53</color>
+    <color name="hour_05">#3e2c5f</color>
+    <color name="hour_06">#442e6c</color>
+    <color name="hour_07">#393a7a</color>
+    <color name="hour_08">#2e4687</color>
+    <color name="hour_09">#235395</color>
+    <color name="hour_10">#185fa2</color>
+    <color name="hour_11">#0d6baf</color>
+    <color name="hour_12">#0277bd</color><!-- Noon -->
+    <color name="hour_13">#0d6cb1</color>
+    <color name="hour_14">#1861a6</color>
+    <color name="hour_15">#23569b</color>
+    <color name="hour_16">#2d4a8f</color>
+    <color name="hour_17">#383f84</color>
+    <color name="hour_18">#433478</color>
+    <color name="hour_19">#3d3169</color>
+    <color name="hour_20">#382e5b</color>
+    <color name="hour_21">#322b4d</color>
+    <color name="hour_22">#2c273e</color>
+    <color name="hour_23">#272430</color>
+
+</resources>
diff --git a/src/com/android/deskclock/AlarmClockFragment.java b/src/com/android/deskclock/AlarmClockFragment.java
index 29d5cec8d..aa6a55618 100644
--- a/src/com/android/deskclock/AlarmClockFragment.java
+++ b/src/com/android/deskclock/AlarmClockFragment.java
@@ -980,7 +980,7 @@ public abstract class AlarmClockFragment extends DeskClockFragment implements
         }
 
         private int getTintedBackgroundColor() {
-            final int c = Utils.getCurrentHourColor();
+            final int c = Utils.getCurrentHourColor(getActivity());
             final int red = Color.red(c) + (int) (TINTED_LEVEL * (255 - Color.red(c)));
             final int green = Color.green(c) + (int) (TINTED_LEVEL * (255 - Color.green(c)));
             final int blue = Color.blue(c) + (int) (TINTED_LEVEL * (255 - Color.blue(c)));
@@ -1193,7 +1193,7 @@ public abstract class AlarmClockFragment extends DeskClockFragment implements
             final CompoundButton dayButton = holder.dayButtons[dayIndex];
             dayButton.setActivated(true);
             dayButton.setChecked(true);
-            dayButton.setTextColor(Utils.getCurrentHourColor());
+            dayButton.setTextColor(Utils.getCurrentHourColor(getActivity()));
         }
 
 
diff --git a/src/com/android/deskclock/BaseActivity.java b/src/com/android/deskclock/BaseActivity.java
index 4b72d80f8..58a0a3637 100644
--- a/src/com/android/deskclock/BaseActivity.java
+++ b/src/com/android/deskclock/BaseActivity.java
@@ -55,7 +55,7 @@ public class BaseActivity extends AppCompatActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        final int currentColor = Utils.getCurrentHourColor();
+        final int currentColor = Utils.getCurrentHourColor(this);
         final int backgroundColor = savedInstanceState == null ? currentColor
                 : savedInstanceState.getInt(KEY_BACKGROUND_COLOR, currentColor);
         setBackgroundColor(backgroundColor, false /* animate */);
@@ -74,13 +74,13 @@ public class BaseActivity extends AppCompatActivity {
             registerReceiver(mOnTimeChangedReceiver = new BroadcastReceiver() {
                 @Override
                 public void onReceive(Context context, Intent intent) {
-                    setBackgroundColor(Utils.getCurrentHourColor(), true /* animate */);
+                    setBackgroundColor(Utils.getCurrentHourColor(BaseActivity.this), true /* animate */);
                 }
             }, filter);
         }
 
         // Ensure the background color is up-to-date.
-        setBackgroundColor(Utils.getCurrentHourColor(), true /* animate */);
+        setBackgroundColor(Utils.getCurrentHourColor(this), true /* animate */);
     }
 
     @Override
diff --git a/src/com/android/deskclock/Utils.java b/src/com/android/deskclock/Utils.java
index 046df5444..6d0f7251c 100644
--- a/src/com/android/deskclock/Utils.java
+++ b/src/com/android/deskclock/Utils.java
@@ -106,35 +106,10 @@ public class Utils {
      */
     private static final int[] TEMP_ARRAY = new int[1];
 
-    /**
-     * The background colors of the app - it changes throughout out the day to mimic the sky.
-     */
-    private static final int[] BACKGROUND_SPECTRUM = {
-            0xFF212121 /* 12 AM */,
-            0xFF20222A /*  1 AM */,
-            0xFF202233 /*  2 AM */,
-            0xFF1F2242 /*  3 AM */,
-            0xFF1E224F /*  4 AM */,
-            0xFF1D225C /*  5 AM */,
-            0xFF1B236B /*  6 AM */,
-            0xFF1A237E /*  7 AM */,
-            0xFF1D2783 /*  8 AM */,
-            0xFF232E8B /*  9 AM */,
-            0xFF283593 /* 10 AM */,
-            0xFF2C3998 /* 11 AM */,
-            0xFF303F9F /* 12 PM */,
-            0xFF2C3998 /*  1 PM */,
-            0xFF283593 /*  2 PM */,
-            0xFF232E8B /*  3 PM */,
-            0xFF1D2783 /*  4 PM */,
-            0xFF1A237E /*  5 PM */,
-            0xFF1B236B /*  6 PM */,
-            0xFF1D225C /*  7 PM */,
-            0xFF1E224F /*  8 PM */,
-            0xFF1F2242 /*  9 PM */,
-            0xFF202233 /* 10 PM */,
-            0xFF20222A /* 11 PM */
-    };
+
+    /** The background colors of the app, it changes thru out the day to mimic the sky. **/
+    public static TypedArray sBackgroundSpectrum;
+    private static int sDefaultBackgroundSpectrumColor;
 
     /**
      * Returns whether the SDK is KitKat or later
@@ -732,11 +707,21 @@ public class Utils {
         }
     }
 
+    private static void loadBackgroundSpectrum(Context context) {
+        Resources res = context.getResources();
+        sBackgroundSpectrum = res.obtainTypedArray(R.array.background_color_by_hour);
+        sDefaultBackgroundSpectrumColor = res.getColor(R.color.hour_12);
+    }
+
     /**
      * Returns the background color to use based on the current time.
      */
-    public static int getCurrentHourColor() {
-        return BACKGROUND_SPECTRUM[Calendar.getInstance().get(Calendar.HOUR_OF_DAY)];
+    public static int getCurrentHourColor(Context context) {
+        if (sBackgroundSpectrum == null) {
+            loadBackgroundSpectrum(context);
+        }
+        final int hourOfDay = Calendar.getInstance().get(Calendar.HOUR_OF_DAY);
+        return sBackgroundSpectrum.getColor(hourOfDay, sDefaultBackgroundSpectrumColor);
     }
 
     /**
diff --git a/src/com/android/deskclock/alarms/AlarmActivity.java b/src/com/android/deskclock/alarms/AlarmActivity.java
index 69abb56c3..f31381db8 100644
--- a/src/com/android/deskclock/alarms/AlarmActivity.java
+++ b/src/com/android/deskclock/alarms/AlarmActivity.java
@@ -284,7 +284,7 @@ public class AlarmActivity extends AppCompatActivity
         Utils.setTimeFormat(this, digitalClock,
                 getResources().getDimensionPixelSize(R.dimen.main_ampm_font_size));
 
-        mCurrentHourColor = Utils.getCurrentHourColor();
+        mCurrentHourColor = Utils.getCurrentHourColor(this);
         getWindow().setBackgroundDrawable(new ColorDrawable(mCurrentHourColor));
 
         mAlarmButton.setOnTouchListener(this);