chinwag-android/app/src/main/java/com/keylesspalace/tusky/util/ThemeUtils.java
2019-03-30 15:18:40 +01:00

131 lines
5.1 KiB
Java

/* Copyright 2017 Andrew Dawson
*
* This file is a part of Tusky.
*
* This program is free software; you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.util;
import android.content.Context;
import android.graphics.Color;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;
import androidx.annotation.AttrRes;
import androidx.annotation.ColorInt;
import androidx.annotation.ColorRes;
import androidx.annotation.DrawableRes;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatDelegate;
import android.provider.Settings;
import android.util.TypedValue;
import javax.inject.Inject;
import javax.inject.Singleton;
/**
* Provides runtime compatibility to obtain theme information and re-theme views, especially where
* the ability to do so is not supported in resource files.
*/
@Singleton
public class ThemeUtils {
@Inject
public ThemeUtils(){}
public static final String APP_THEME_DEFAULT = ThemeUtils.THEME_NIGHT;
private static final String THEME_NIGHT = "night";
private static final String THEME_DAY = "day";
private static final String THEME_BLACK = "black";
private static final String THEME_AUTO = "auto";
public static final String THEME_SYSTEM = "auto_system";
public static Drawable getDrawable(@NonNull Context context, @AttrRes int attribute,
@DrawableRes int fallbackDrawable) {
TypedValue value = new TypedValue();
@DrawableRes int resourceId;
if (context.getTheme().resolveAttribute(attribute, value, true)) {
resourceId = value.resourceId;
} else {
resourceId = fallbackDrawable;
}
return context.getDrawable(resourceId);
}
public static @DrawableRes int getDrawableId(@NonNull Context context, @AttrRes int attribute,
@DrawableRes int fallbackDrawableId) {
TypedValue value = new TypedValue();
if (context.getTheme().resolveAttribute(attribute, value, true)) {
return value.resourceId;
} else {
return fallbackDrawableId;
}
}
public static @ColorInt int getColor(@NonNull Context context, @AttrRes int attribute) {
TypedValue value = new TypedValue();
if (context.getTheme().resolveAttribute(attribute, value, true)) {
return value.data;
} else {
return Color.BLACK;
}
}
public static @ColorRes int getColorId(@NonNull Context context, @AttrRes int attribute) {
TypedValue value = new TypedValue();
context.getTheme().resolveAttribute(attribute, value, true);
return value.resourceId;
}
/** this can be replaced with drawableTint in xml once minSdkVersion >= 23 */
public static @Nullable Drawable getTintedDrawable(@NonNull Context context, @DrawableRes int drawableId, @AttrRes int colorAttr) {
Drawable drawable = context.getDrawable(drawableId);
if(drawable == null) {
return null;
}
setDrawableTint(context, drawable, colorAttr);
return drawable;
}
public static void setDrawableTint(Context context, Drawable drawable, @AttrRes int attribute) {
drawable.setColorFilter(getColor(context, attribute), PorterDuff.Mode.SRC_IN);
}
public void setAppNightMode(String flavor, Context context) {
switch (flavor) {
default:
case THEME_NIGHT:
AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES);
break;
case THEME_DAY:
AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO);
break;
case THEME_BLACK:
AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES);
break;
case THEME_AUTO:
AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_AUTO);
break;
case THEME_SYSTEM:
AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM);
//stupid workaround to make MODE_NIGHT_FOLLOW_SYSTEM work :(
if((Settings.System.getInt(context.getContentResolver(), "display_night_theme", 0) == 1)) {
AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_YES);
} else if ((Settings.System.getInt(context.getContentResolver(), "display_night_theme", 0) == 0)) {
AppCompatDelegate.setDefaultNightMode(AppCompatDelegate.MODE_NIGHT_NO);
}
break;
}
}
}