From c275326e40d9f6bda083a7b6058f0839b21a2d5d Mon Sep 17 00:00:00 2001
From: Sebastian Franco <fransebas@google.com>
Date: Tue, 16 Jul 2024 19:06:55 -0700
Subject: [PATCH] Remove unused methods

Bug: 353303621
Test: compiles
Flag: NONE Removing code
Change-Id: Ibfdc983c5d29d8e928e4277dac285d4e62bdc1fd
---
 .../launcher3/graphics/IconPalette.java       | 98 -------------------
 1 file changed, 98 deletions(-)

diff --git a/src/com/android/launcher3/graphics/IconPalette.java b/src/com/android/launcher3/graphics/IconPalette.java
index 778b32a863..00f1c675da 100644
--- a/src/com/android/launcher3/graphics/IconPalette.java
+++ b/src/com/android/launcher3/graphics/IconPalette.java
@@ -16,22 +16,15 @@
 
 package com.android.launcher3.graphics;
 
-import android.app.Notification;
 import android.content.Context;
 import android.graphics.Color;
-import android.util.Log;
 
-import androidx.core.graphics.ColorUtils;
-
-import com.android.launcher3.R;
 import com.android.launcher3.util.Themes;
 
 /**
  * Contains colors based on the dominant color of an icon.
  */
 public class IconPalette {
-
-    private static final boolean DEBUG = false;
     private static final String TAG = "IconPalette";
 
     private static final float MIN_PRELOAD_COLOR_SATURATION = 0.2f;
@@ -54,95 +47,4 @@ public class IconPalette {
         }
         return result;
     }
-
-    /**
-     * Resolves a color such that it has enough contrast to be used as the
-     * color of an icon or text on the given background color.
-     *
-     * @return a color of the same hue with enough contrast against the background.
-     *
-     * This was copied from com.android.internal.util.NotificationColorUtil.
-     */
-    public static int resolveContrastColor(Context context, int color, int background) {
-        final int resolvedColor = resolveColor(context, color);
-
-        int contrastingColor = ensureTextContrast(resolvedColor, background);
-
-        if (contrastingColor != resolvedColor) {
-            if (DEBUG){
-                Log.w(TAG, String.format(
-                        "Enhanced contrast of notification for %s " +
-                                "%s (over background) by changing #%s to %s",
-                        context.getPackageName(),
-                        contrastChange(resolvedColor, contrastingColor, background),
-                        Integer.toHexString(resolvedColor), Integer.toHexString(contrastingColor)));
-            }
-        }
-        return contrastingColor;
-    }
-
-    /**
-     * Resolves {@param color} to an actual color if it is {@link Notification#COLOR_DEFAULT}
-     *
-     * This was copied from com.android.internal.util.NotificationColorUtil.
-     */
-    private static int resolveColor(Context context, int color) {
-        if (color == Notification.COLOR_DEFAULT) {
-            return context.getColor(R.color.notification_icon_default_color);
-        }
-        return color;
-    }
-
-    /** For debugging. This was copied from com.android.internal.util.NotificationColorUtil. */
-    private static String contrastChange(int colorOld, int colorNew, int bg) {
-        return String.format("from %.2f:1 to %.2f:1",
-                ColorUtils.calculateContrast(colorOld, bg),
-                ColorUtils.calculateContrast(colorNew, bg));
-    }
-
-    /**
-     * Finds a text color with sufficient contrast over bg that has the same hue as the original
-     * color.
-     *
-     * This was copied from com.android.internal.util.NotificationColorUtil.
-     */
-    private static int ensureTextContrast(int color, int bg) {
-        return findContrastColor(color, bg, 4.5);
-    }
-    /**
-     * Finds a suitable color such that there's enough contrast.
-     *
-     * @param fg the color to start searching from.
-     * @param bg the color to ensure contrast against.
-     * @param minRatio the minimum contrast ratio required.
-     * @return a color with the same hue as {@param color}, potentially darkened to meet the
-     *          contrast ratio.
-     *
-     * This was copied from com.android.internal.util.NotificationColorUtil.
-     */
-    private static int findContrastColor(int fg, int bg, double minRatio) {
-        if (ColorUtils.calculateContrast(fg, bg) >= minRatio) {
-            return fg;
-        }
-
-        double[] lab = new double[3];
-        ColorUtils.colorToLAB(bg, lab);
-        double bgL = lab[0];
-        ColorUtils.colorToLAB(fg, lab);
-        double fgL = lab[0];
-        boolean isBgDark = bgL < 50;
-
-        double low = isBgDark ? fgL : 0, high = isBgDark ? 100 : fgL;
-        final double a = lab[1], b = lab[2];
-        for (int i = 0; i < 15 && high - low > 0.00001; i++) {
-            final double l = (low + high) / 2;
-            fg = ColorUtils.LABToColor(l, a, b);
-            if (ColorUtils.calculateContrast(fg, bg) > minRatio) {
-                if (isBgDark) high = l; else low = l;
-            } else {
-                if (isBgDark) low = l; else high = l;
-            }
-        }
-        return ColorUtils.LABToColor(low, a, b);
-    }
 }