[Base 1/2] QS Tile Icon Accent Toggle

Idea taken from -: DotOS/android_frameworks_base@8976f61

aex edits:- disabled by default, remove useless overlay

Change-Id: I834053e6b118024e1b0609150df641b999fd48f9

Author: SuperDroidBond

core/java/android/provider/Settings.java

@@ -4840,6 +4840,14 @@ public boolean validate(String value) {
          */
         public static final String CHOOSER_ACTIVITY_BLACKLIST = "chooser_activity_blacklist";
 
+        /**
+	 ** Whether to show Device Accent on QS on the screen.
+	 ** 0 = OFF
+	 ** 1 = ON
+	 ** @hide
+	 **/
+         public static final String QS_TILE_TINTING_ENABLE = "qs_tile_tinting_enable";
+		 
         /**
          * Settings to backup. This is here so that it's in the same place as the settings
          * keys and easy to update.

packages/SystemUI/res/values/aos_colors.xml

@@ -44,6 +44,11 @@
     <!-- Zen QS panel -->
     <color name="zen_qs_panel_close_button_color">@android:color/white</color>
 
+   <!-- QS tiles Active and Inactive tint (Requires config_enable_qs_tile_tinting bool set to true) -->
+    <color name="qs_tiles_active_tint">@*android:color/accent_device_default_light</color>
+    <color name="qs_tiles_inactive_tint">@*android:color/hint_foreground_material_light</color>
+    <color name="qs_tiles_unavailable_tint">@*android:color/foreground_material_light</color> <!-- keep in mind that the code adds 0.26 (light) or 0.30 (dark) alpha to this color. -->
+
     <!-- Theme tile DO NOT OVERLAY!!! We need the true colors here! -->
     <color name="quick_settings_theme_tile_default">#4285F4</color>
     <color name="quick_settings_theme_tile_red">#FF5252</color>

packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSIconViewImpl.java

@@ -27,6 +27,8 @@
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.ImageView.ScaleType;
+import android.provider.Settings;
+import android.os.Handler;
 
 import com.android.systemui.R;
 import com.android.systemui.plugins.qs.QSIconView;
@@ -173,7 +175,7 @@ public static void animateGrayScale(int fromColor, int toColor, ImageView iv) {
                 int alpha = (int) (fromAlpha + (toAlpha - fromAlpha) * fraction);
                 int channel = (int) (fromChannel + (toChannel - fromChannel) * fraction);
 
-                setTint(iv, Color.argb(alpha, channel, channel, channel));
+	    setTint(iv, toColor);
             });
 
             anim.start();

packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSTileImpl.java

@@ -36,7 +36,7 @@
 import android.util.ArraySet;
 import android.util.Log;
 import android.util.SparseArray;
-
+import android.provider.Settings;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.logging.MetricsLogger;
 import com.android.settingslib.RestrictedLockUtils;
@@ -50,6 +50,8 @@
 import com.android.systemui.qs.PagedTileLayout.TilePage;
 import com.android.systemui.qs.QSHost;
 
+import com.android.systemui.R;
+
 import java.util.ArrayList;
 
 /**
@@ -370,14 +372,31 @@ protected void checkIfRestrictionEnforcedByAdminOnly(State state, String userRes
     public abstract CharSequence getTileLabel();
 
     public static int getColorForState(Context context, int state) {
+
+        boolean enableQsTileTinting = Settings.System.getInt(context.getContentResolver(), 
+			           Settings.System.QS_TILE_TINTING_ENABLE, 0) == 1;
+
         switch (state) {
             case Tile.STATE_UNAVAILABLE:
-                return Utils.getDisabled(context,
-                        Utils.getColorAttr(context, android.R.attr.colorForeground));
+                if (enableQsTileTinting) {
+                    return Utils.getDisabled(context,
+		            context.getResources().getColor(R.color.qs_tiles_unavailable_tint));
+                } else {
+                    return Utils.getDisabled(context, 
+			    Utils.getColorAttr(context, android.R.attr.colorForeground));
+                }
             case Tile.STATE_INACTIVE:
-                return Utils.getColorAttr(context, android.R.attr.textColorHint);
+                if (enableQsTileTinting) {
+                    return Utils.getColorAttr(context, android.R.attr.textColorHint);
+                } else {
+                    return Utils.getColorAttr(context, android.R.attr.textColorHint);
+                }
             case Tile.STATE_ACTIVE:
-                return Utils.getColorAttr(context, android.R.attr.textColorPrimary);
+                if (enableQsTileTinting) {
+		    return context.getResources().getColor(R.color.qs_tiles_active_tint);
+                } else {
+		    return Utils.getColorAttr(context, android.R.attr.textColorPrimary);
+                }
             default:
                 Log.e("QSTile", "Invalid state " + state);
                 return 0;