package net.ktnx.mobileledger.utils;
import android.app.Activity;
+import android.content.res.ColorStateList;
import android.content.res.Resources;
import android.util.TypedValue;
+import androidx.annotation.ColorInt;
+import androidx.annotation.ColorLong;
+import androidx.annotation.NonNull;
+import androidx.lifecycle.MutableLiveData;
+
import net.ktnx.mobileledger.R;
import net.ktnx.mobileledger.model.Data;
import net.ktnx.mobileledger.model.MobileLedgerProfile;
import net.ktnx.mobileledger.ui.HueRing;
+import java.util.ArrayList;
+import java.util.Collections;
import java.util.Locale;
-import androidx.annotation.ColorInt;
-import androidx.annotation.ColorLong;
-import androidx.lifecycle.MutableLiveData;
-
import static java.lang.Math.abs;
import static net.ktnx.mobileledger.utils.Logger.debug;
public class Colors {
public static final int DEFAULT_HUE_DEG = 261;
+ public static final int THEME_HUE_STEP_DEG = 5;
private static final float blueLightness = 0.665f;
private static final float yellowLightness = 0.350f;
+ private static final int[][] EMPTY_STATES = new int[][]{new int[0]};
public static @ColorInt
int accent;
@ColorInt
public static int primary, defaultTextColor;
public static int profileThemeId = -1;
public static MutableLiveData<Integer> themeWatch = new MutableLiveData<>(0);
+ private static int[] themeIDs =
+ {R.style.AppTheme_NoActionBar_000, R.style.AppTheme_NoActionBar_005,
+ R.style.AppTheme_NoActionBar_010, R.style.AppTheme_NoActionBar_015,
+ R.style.AppTheme_NoActionBar_020, R.style.AppTheme_NoActionBar_025,
+ R.style.AppTheme_NoActionBar_030, R.style.AppTheme_NoActionBar_035,
+ R.style.AppTheme_NoActionBar_040, R.style.AppTheme_NoActionBar_045,
+ R.style.AppTheme_NoActionBar_050, R.style.AppTheme_NoActionBar_055,
+ R.style.AppTheme_NoActionBar_060, R.style.AppTheme_NoActionBar_065,
+ R.style.AppTheme_NoActionBar_070, R.style.AppTheme_NoActionBar_075,
+ R.style.AppTheme_NoActionBar_080, R.style.AppTheme_NoActionBar_085,
+ R.style.AppTheme_NoActionBar_090, R.style.AppTheme_NoActionBar_095,
+ R.style.AppTheme_NoActionBar_100, R.style.AppTheme_NoActionBar_105,
+ R.style.AppTheme_NoActionBar_110, R.style.AppTheme_NoActionBar_115,
+ R.style.AppTheme_NoActionBar_120, R.style.AppTheme_NoActionBar_125,
+ R.style.AppTheme_NoActionBar_130, R.style.AppTheme_NoActionBar_135,
+ R.style.AppTheme_NoActionBar_140, R.style.AppTheme_NoActionBar_145,
+ R.style.AppTheme_NoActionBar_150, R.style.AppTheme_NoActionBar_155,
+ R.style.AppTheme_NoActionBar_160, R.style.AppTheme_NoActionBar_165,
+ R.style.AppTheme_NoActionBar_170, R.style.AppTheme_NoActionBar_175,
+ R.style.AppTheme_NoActionBar_180, R.style.AppTheme_NoActionBar_185,
+ R.style.AppTheme_NoActionBar_190, R.style.AppTheme_NoActionBar_195,
+ R.style.AppTheme_NoActionBar_200, R.style.AppTheme_NoActionBar_205,
+ R.style.AppTheme_NoActionBar_210, R.style.AppTheme_NoActionBar_215,
+ R.style.AppTheme_NoActionBar_220, R.style.AppTheme_NoActionBar_225,
+ R.style.AppTheme_NoActionBar_230, R.style.AppTheme_NoActionBar_235,
+ R.style.AppTheme_NoActionBar_240, R.style.AppTheme_NoActionBar_245,
+ R.style.AppTheme_NoActionBar_250, R.style.AppTheme_NoActionBar_255,
+ R.style.AppTheme_NoActionBar_260, R.style.AppTheme_NoActionBar_265,
+ R.style.AppTheme_NoActionBar_270, R.style.AppTheme_NoActionBar_275,
+ R.style.AppTheme_NoActionBar_280, R.style.AppTheme_NoActionBar_285,
+ R.style.AppTheme_NoActionBar_290, R.style.AppTheme_NoActionBar_295,
+ R.style.AppTheme_NoActionBar_300, R.style.AppTheme_NoActionBar_305,
+ R.style.AppTheme_NoActionBar_310, R.style.AppTheme_NoActionBar_315,
+ R.style.AppTheme_NoActionBar_320, R.style.AppTheme_NoActionBar_325,
+ R.style.AppTheme_NoActionBar_330, R.style.AppTheme_NoActionBar_335,
+ R.style.AppTheme_NoActionBar_340, R.style.AppTheme_NoActionBar_345,
+ R.style.AppTheme_NoActionBar_350, R.style.AppTheme_NoActionBar_355,
+ };
public static void refreshColors(Resources.Theme theme) {
TypedValue tv = new TypedValue();
theme.resolveAttribute(R.attr.table_row_dark_bg, tv, true);
setupTheme(activity, profile);
}
public static void setupTheme(Activity activity, MobileLedgerProfile profile) {
- final int themeHue = (profile == null) ? -1 : profile.getThemeId();
+ final int themeHue = (profile == null) ? -1 : profile.getThemeHue();
setupTheme(activity, themeHue);
}
public static void setupTheme(Activity activity, int themeHue) {
// Relies that theme resource IDs are sequential numbers
if (themeHue == 360) themeHue = 0;
if ((themeHue >= 0) && (themeHue < 360) && ((themeHue % HueRing.hueStepDegrees) == 0)) {
- themeId = R.style.AppTheme_NoActionBar_000 + (themeHue / HueRing.hueStepDegrees);
+ themeId = themeIDs[themeHue / HueRing.hueStepDegrees];
}
if (themeId < 0) {
refreshColors(activity.getTheme());
}
+ public static @NonNull
+ ColorStateList getColorStateList() {
+ return getColorStateList(profileThemeId);
+ }
+ public static @NonNull
+ ColorStateList getColorStateList(int hue) {
+ return new ColorStateList(EMPTY_STATES, getColors(hue));
+ }
+ public static int[] getColors() {
+ return getColors(profileThemeId);
+ }
+ public static int[] getColors(int hue) {
+ int[] colors = new int[]{0, 0, 0, 0, 0, 0};
+ for (int i = 0; i < 6; i++, hue = (hue + 60) % 360) {
+ colors[i] = getPrimaryColorForHue(hue);
+ }
+ return colors;
+ }
+ public static int getNewProfileThemeHue(ArrayList<MobileLedgerProfile> profiles) {
+ if ((profiles == null) || (profiles.size() == 0))
+ return DEFAULT_HUE_DEG;
+
+ if (profiles.size() == 1) {
+ int opposite = profiles.get(0)
+ .getThemeHue() + 180;
+ opposite %= 360;
+ return opposite;
+ }
+
+ ArrayList<Integer> hues = new ArrayList<>();
+ for (MobileLedgerProfile p : profiles) {
+ int hue = p.getThemeHue();
+ if (hue == -1)
+ hue = DEFAULT_HUE_DEG;
+ hues.add(hue);
+ }
+ Collections.sort(hues);
+ hues.add(hues.get(0));
+
+ int lastHue = -1;
+ int largestInterval = 0;
+ ArrayList<Integer> largestIntervalStarts = new ArrayList<>();
+
+ for (int h : hues) {
+ if (lastHue == -1) {
+ lastHue = h;
+ continue;
+ }
+
+ int interval;
+ if (h > lastHue)
+ interval = h - lastHue; // 10 -> 20 is a step of 10
+ else
+ interval = h + (360 - lastHue); // 350 -> 20 is a step of 30
+
+ if (interval > largestInterval) {
+ largestInterval = interval;
+ largestIntervalStarts.clear();
+ largestIntervalStarts.add(lastHue);
+ }
+ else if (interval == largestInterval) {
+ largestIntervalStarts.add(lastHue);
+ }
+
+ lastHue = h;
+ }
+
+ final int chosenIndex = (int) (Math.random() * largestIntervalStarts.size());
+ int chosenIntervalStart = largestIntervalStarts.get(chosenIndex);
+
+ if (largestInterval % 2 != 0)
+ largestInterval++; // round up the middle point
+ int chosenHue = (chosenIntervalStart + (largestInterval / 2)) % 360;
+
+ final int mod = chosenHue % THEME_HUE_STEP_DEG;
+ if (mod != 0) {
+ if (mod > THEME_HUE_STEP_DEG / 2)
+ chosenHue += (THEME_HUE_STEP_DEG - mod); // 13 += (5-3) = 15
+ else
+ chosenHue -= mod; // 12 -= 2 = 10
+ }
+
+ return chosenHue;
+ }
}