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package it.niedermann.owncloud.notes.branding;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.ColorStateList;
import android.graphics.Color;
import android.util.Log;
import android.widget.EditText;
import androidx.annotation.ColorInt;
import androidx.annotation.NonNull;
import androidx.core.graphics.drawable.DrawableCompat;
import androidx.preference.PreferenceManager;
import it.niedermann.owncloud.notes.R;
import it.niedermann.owncloud.notes.util.Notes;
import static it.niedermann.owncloud.notes.util.ColorUtil.contrastRatioIsSufficient;
public class BrandingUtil {
private static final String TAG = BrandingUtil.class.getSimpleName();
private static final String pref_key_branding_main = "branding_main";
private static final String pref_key_branding_text = "branding_text";
private BrandingUtil() {
}
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 (BrandingUtil.isBrandingEnabled(context)) {
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context.getApplicationContext());
Log.v(TAG, "--- Read: shared_preference_theme_main");
return sharedPreferences.getInt(pref_key_branding_main, context.getApplicationContext().getResources().getColor(R.color.defaultBrand));
} else {
return context.getResources().getColor(R.color.defaultBrand);
}
}
@ColorInt
public static int readBrandTextColor(@NonNull Context context) {
if (isBrandingEnabled(context)) {
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context.getApplicationContext());
Log.v(TAG, "--- Read: shared_preference_theme_text");
return sharedPreferences.getInt(pref_key_branding_text, context.getApplicationContext().getResources().getColor(android.R.color.white));
} else {
return Color.WHITE;
}
}
public static void saveBrandColors(@NonNull Context context, @ColorInt int mainColor, @ColorInt int textColor) {
final int previousMainColor = readBrandMainColor(context);
final int previousTextColor = readBrandTextColor(context);
SharedPreferences.Editor editor = PreferenceManager.getDefaultSharedPreferences(context).edit();
Log.v(TAG, "--- Write: shared_preference_theme_main" + " | " + mainColor);
Log.v(TAG, "--- Write: shared_preference_theme_text" + " | " + textColor);
editor.putInt(pref_key_branding_main, mainColor);
editor.putInt(pref_key_branding_text, textColor);
editor.apply();
if (isBrandingEnabled(context) && context instanceof BrandedActivity) {
if (mainColor != previousMainColor || textColor != previousTextColor) {
final BrandedActivity activity = (BrandedActivity) context;
activity.runOnUiThread(activity::recreate);
}
}
}
/**
* 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) {
final int primaryColor = context.getResources().getColor(R.color.primary);
final boolean isDarkTheme = Notes.isDarkThemeActive(context);
if (isDarkTheme && !contrastRatioIsSufficient(mainColor, primaryColor)) {
Log.v(TAG, "Contrast ratio between brand color " + String.format("#%06X", (0xFFFFFF & mainColor)) + " and dark theme is too low. Falling back to WHITE as brand color.");
return Color.WHITE;
} else if (!isDarkTheme && !contrastRatioIsSufficient(mainColor, primaryColor)) {
Log.v(TAG, "Contrast ratio between brand color " + String.format("#%06X", (0xFFFFFF & mainColor)) + " and light theme is too low. Falling back to BLACK as brand color.");
return Color.BLACK;
} else {
return mainColor;
}
}
public static void applyBrandToEditText(@ColorInt int mainColor, @ColorInt int textColor, @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,
editText.getContext().getResources().getColor(R.color.fg_default_low)
}
));
}
}
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