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package it.niedermann.nextcloud.deck.ui.branding;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.ColorStateList;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.view.MenuItem;
import android.widget.EditText;
import androidx.annotation.ColorInt;
import androidx.annotation.NonNull;
import androidx.core.content.ContextCompat;
import androidx.core.graphics.drawable.DrawableCompat;
import androidx.preference.PreferenceManager;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import com.google.android.material.tabs.TabLayout;
import it.niedermann.android.util.ColorUtil;
import it.niedermann.nextcloud.deck.DeckLog;
import it.niedermann.nextcloud.deck.R;
import static it.niedermann.nextcloud.deck.DeckApplication.isDarkTheme;
import static it.niedermann.nextcloud.deck.util.DeckColorUtil.contrastRatioIsSufficient;
import static it.niedermann.nextcloud.deck.util.DeckColorUtil.contrastRatioIsSufficientBigAreas;
public abstract class BrandingUtil {
private BrandingUtil() {
// Util class
}
public static boolean isBrandingEnabled(@NonNull Context context) {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
return prefs.getBoolean(context.getString(R.string.pref_key_branding), true);
}
@ColorInt
public static int readBrandMainColor(@NonNull Context context) {
if (isBrandingEnabled(context)) {
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context.getApplicationContext());
DeckLog.log("--- Read: shared_preference_theme_main");
return sharedPreferences.getInt(context.getString(R.string.shared_preference_theme_main), context.getApplicationContext().getResources().getColor(R.color.defaultBrand));
} else {
return ContextCompat.getColor(context, R.color.defaultBrand);
}
}
public static void saveBrandColors(@NonNull Context context, @ColorInt int mainColor) {
if (isBrandingEnabled(context) && context instanceof BrandedActivity) {
final BrandedActivity activity = (BrandedActivity) context;
activity.applyBrand(mainColor);
}
SharedPreferences.Editor editor = PreferenceManager.getDefaultSharedPreferences(context).edit();
DeckLog.log("--- Write: shared_preference_theme_main" + " | " + mainColor);
editor.putInt(context.getString(R.string.shared_preference_theme_main), mainColor);
editor.apply();
}
public static void clearBrandColors(@NonNull Context context) {
if (isBrandingEnabled(context) && context instanceof BrandedActivity) {
final BrandedActivity activity = (BrandedActivity) context;
activity.applyBrand(ContextCompat.getColor(context, R.color.defaultBrand));
}
SharedPreferences.Editor editor = PreferenceManager.getDefaultSharedPreferences(context).edit();
DeckLog.log("--- Write: Remove: shared_preference_theme_main" + " | ");
editor.remove(context.getString(R.string.shared_preference_theme_main));
editor.apply();
}
/**
* Since we may collide with dark theme in this area, we have to make sure that the color is visible depending on the background
*/
@ColorInt
public static int getSecondaryForegroundColorDependingOnTheme(@NonNull Context context, @ColorInt int mainColor) {
if (contrastRatioIsSufficient(mainColor, ContextCompat.getColor(context, R.color.primary))) {
return mainColor;
}
DeckLog.verbose("Contrast ratio between brand color " + String.format("#%06X", (0xFFFFFF & mainColor)) + " and primary theme background is too low. Falling back to WHITE/BLACK as brand color.");
return isDarkTheme(context) ? Color.WHITE : Color.BLACK;
}
public static void applyBrandToFAB(@ColorInt int mainColor, @NonNull FloatingActionButton fab) {
final boolean contrastRatioIsSufficient = contrastRatioIsSufficientBigAreas(mainColor, ContextCompat.getColor(fab.getContext(), R.color.primary));
fab.setSupportBackgroundTintList(ColorStateList.valueOf(contrastRatioIsSufficient
? mainColor
: ContextCompat.getColor(fab.getContext(), R.color.accent)));
fab.setColorFilter(contrastRatioIsSufficient ? ColorUtil.INSTANCE.getForegroundColorForBackgroundColor(mainColor) : mainColor);
}
public static void applyBrandToPrimaryTabLayout(@ColorInt int mainColor, @NonNull TabLayout tabLayout) {
@ColorInt final int finalMainColor = getSecondaryForegroundColorDependingOnTheme(tabLayout.getContext(), mainColor);
tabLayout.setBackgroundColor(ContextCompat.getColor(tabLayout.getContext(), R.color.primary));
final boolean contrastRatioIsSufficient = ColorUtil.INSTANCE.getContrastRatio(mainColor, ContextCompat.getColor(tabLayout.getContext(), R.color.primary)) > 1.7d;
tabLayout.setSelectedTabIndicatorColor(contrastRatioIsSufficient ? mainColor : finalMainColor);
}
public static void applyBrandToEditText(@ColorInt int mainColor, @NonNull EditText editText) {
@ColorInt final int finalMainColor = getSecondaryForegroundColorDependingOnTheme(editText.getContext(), mainColor);
DrawableCompat.setTintList(editText.getBackground(), new ColorStateList(
new int[][]{
new int[]{android.R.attr.state_active},
new int[]{android.R.attr.state_activated},
new int[]{android.R.attr.state_focused},
new int[]{android.R.attr.state_pressed},
new int[]{}
},
new int[]{
finalMainColor,
finalMainColor,
finalMainColor,
finalMainColor,
ContextCompat.getColor(editText.getContext(), R.color.fg_secondary)
}
));
}
public static void tintMenuIcon(@NonNull MenuItem menuItem, @ColorInt int color) {
Drawable drawable = menuItem.getIcon();
if (drawable != null) {
drawable = DrawableCompat.wrap(drawable);
DrawableCompat.setTint(drawable, color);
menuItem.setIcon(drawable);
}
}
}
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