ThemeHelper.java

  1/*
  2 * Copyright (c) 2018, Daniel Gultsch All rights reserved.
  3 *
  4 * Redistribution and use in source and binary forms, with or without modification,
  5 * are permitted provided that the following conditions are met:
  6 *
  7 * 1. Redistributions of source code must retain the above copyright notice, this
  8 * list of conditions and the following disclaimer.
  9 *
 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
 11 * this list of conditions and the following disclaimer in the documentation and/or
 12 * other materials provided with the distribution.
 13 *
 14 * 3. Neither the name of the copyright holder nor the names of its contributors
 15 * may be used to endorse or promote products derived from this software without
 16 * specific prior written permission.
 17 *
 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 25 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 28 */
 29
 30package eu.siacs.conversations.utils;
 31
 32import android.content.Context;
 33import android.content.SharedPreferences;
 34import android.content.res.Configuration;
 35import android.content.res.Resources;
 36import android.content.res.TypedArray;
 37import android.content.res.loader.ResourcesLoader;
 38import android.os.Build;
 39import android.preference.PreferenceManager;
 40import android.util.Log;
 41import android.util.TypedValue;
 42import android.widget.TextView;
 43
 44import androidx.annotation.StyleRes;
 45import androidx.core.content.ContextCompat;
 46
 47import com.cheogram.android.ColorResourcesLoaderCreator;
 48
 49import com.google.android.material.snackbar.Snackbar;
 50
 51import java.util.HashMap;
 52
 53import eu.siacs.conversations.R;
 54import eu.siacs.conversations.Config;
 55import eu.siacs.conversations.ui.SettingsActivity;
 56
 57public class ThemeHelper {
 58
 59	public static HashMap<Integer, Integer> applyCustomColors(final Context context) {
 60		HashMap<Integer, Integer> colors = new HashMap<>();
 61		if (Build.VERSION.SDK_INT < 30) return colors;
 62
 63		final SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
 64		if (sharedPreferences.contains("custom_theme_primary")) colors.put(R.color.custom_theme_primary, sharedPreferences.getInt("custom_theme_primary", 0));
 65		if (sharedPreferences.contains("custom_theme_primary_dark")) colors.put(R.color.custom_theme_primary_dark, sharedPreferences.getInt("custom_theme_primary_dark", 0));
 66		if (sharedPreferences.contains("custom_theme_accent")) colors.put(R.color.custom_theme_accent, sharedPreferences.getInt("custom_theme_accent", 0));
 67		if (sharedPreferences.contains("custom_theme_background_primary")) {
 68			int background_primary = sharedPreferences.getInt("custom_theme_background_primary", 0);
 69			int alpha = (background_primary >> 24) & 0xFF;
 70			int red = (background_primary >> 16) & 0xFF;
 71			int green = (background_primary >> 8) & 0xFF;
 72			int blue = background_primary & 0xFF;
 73			colors.put(R.color.custom_theme_background_primary, background_primary);
 74			colors.put(R.color.custom_theme_background_secondary, (int)((alpha << 24) | ((int)(red*.9) << 16) | ((int)(green*.9) << 8) | (int)(blue*.9)));
 75			colors.put(R.color.custom_theme_background_tertiary, (int)((alpha << 24) | ((int)(red*.85) << 16) | ((int)(green*.85) << 8) | (int)(blue*.85)));
 76		}
 77		if (sharedPreferences.contains("custom_dark_theme_primary")) colors.put(R.color.custom_dark_theme_primary, sharedPreferences.getInt("custom_dark_theme_primary", 0));
 78		if (sharedPreferences.contains("custom_dark_theme_primary_dark")) colors.put(R.color.custom_dark_theme_primary_dark, sharedPreferences.getInt("custom_dark_theme_primary_dark", 0));
 79		if (sharedPreferences.contains("custom_dark_theme_accent")) colors.put(R.color.custom_dark_theme_accent, sharedPreferences.getInt("custom_dark_theme_accent", 0));
 80		if (sharedPreferences.contains("custom_dark_theme_background_primary")) {
 81			int background_primary = sharedPreferences.getInt("custom_dark_theme_background_primary", 0);
 82			int alpha = (background_primary >> 24) & 0xFF;
 83			int red = (background_primary >> 16) & 0xFF;
 84			int green = (background_primary >> 8) & 0xFF;
 85			int blue = background_primary & 0xFF;
 86			colors.put(R.color.custom_dark_theme_background_primary, background_primary);
 87			colors.put(R.color.custom_dark_theme_background_secondary, (int)((alpha << 24) | ((int)(red*.5) << 16) | ((int)(green*.5) << 8) | (int)(blue*.5)));
 88			colors.put(R.color.custom_dark_theme_background_tertiary, (int)((alpha << 24) | ((int)(40 + red*.84) << 16) | ((int)(40 + green*.84) << 8) | (int)(40 + blue*.84)));
 89		}
 90		if (colors.isEmpty()) return colors;
 91
 92		ResourcesLoader loader = ColorResourcesLoaderCreator.create(context, colors);
 93		try {
 94			if (loader != null) context.getResources().addLoaders(loader);
 95		} catch (final IllegalArgumentException e) {
 96			Log.w(Config.LOGTAG, "Custom colour failed: " + e);
 97		}
 98		return colors;
 99	}
100
101	public static int find(final Context context) {
102		final SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
103		final Resources resources = context.getResources();
104		final String setting = sharedPreferences.getString(SettingsActivity.THEME, resources.getString(R.string.theme));
105		final boolean dark = isDark(sharedPreferences, resources);
106		final String fontSize = sharedPreferences.getString("font_size", resources.getString(R.string.default_font_size));
107		switch (fontSize) {
108			case "medium":
109				if ("obsidian".equals(setting)) return R.style.ConversationsTheme_Obsidian_Medium;
110				else if ("oledblack".equals(setting)) return R.style.ConversationsTheme_OLEDBlack_Medium;
111				else if ("custom".equals(setting)) return dark ? R.style.ConversationsTheme_CustomDark_Medium : R.style.ConversationsTheme_Custom_Medium;
112				return dark ? R.style.ConversationsTheme_Dark_Medium : R.style.ConversationsTheme_Medium;
113			case "large":
114				if ("obsidian".equals(setting)) return R.style.ConversationsTheme_Obsidian_Large;
115				else if ("oledblack".equals(setting)) return R.style.ConversationsTheme_OLEDBlack_Large;
116				else if ("custom".equals(setting)) return dark ? R.style.ConversationsTheme_CustomDark_Large : R.style.ConversationsTheme_Custom_Large;
117				return dark ? R.style.ConversationsTheme_Dark_Large : R.style.ConversationsTheme_Large;
118			default:
119				if ("obsidian".equals(setting)) return R.style.ConversationsTheme_Obsidian;
120				else if ("oledblack".equals(setting)) return R.style.ConversationsTheme_OLEDBlack;
121				else if ("custom".equals(setting)) return dark ? R.style.ConversationsTheme_CustomDark : R.style.ConversationsTheme_Custom;
122				return dark ? R.style.ConversationsTheme_Dark : R.style.ConversationsTheme;
123		}
124	}
125
126	public static int findDialog(Context context) {
127		final SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
128		final Resources resources = context.getResources();
129		final boolean dark = isDark(sharedPreferences, resources);
130		final String fontSize = sharedPreferences.getString("font_size", resources.getString(R.string.default_font_size));
131		switch (fontSize) {
132			case "medium":
133				return dark ? R.style.ConversationsTheme_Dark_Dialog_Medium : R.style.ConversationsTheme_Dialog_Medium;
134			case "large":
135				return dark ? R.style.ConversationsTheme_Dark_Dialog_Large : R.style.ConversationsTheme_Dialog_Large;
136			default:
137				return dark ? R.style.ConversationsTheme_Dark_Dialog : R.style.ConversationsTheme_Dialog;
138		}
139	}
140
141	private static boolean isDark(final SharedPreferences sharedPreferences, final Resources resources) {
142		final String setting = sharedPreferences.getString(SettingsActivity.THEME, resources.getString(R.string.theme));
143		if ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q && "automatic".equals(setting)) ||
144			("custom".equals(setting) && sharedPreferences.getBoolean("custom_theme_automatic", false))
145		) {
146			return (resources.getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK) == Configuration.UI_MODE_NIGHT_YES;
147		} else {
148			if ("custom".equals(setting)) return sharedPreferences.getBoolean("custom_theme_dark", false);
149			return "dark".equals(setting) || "obsidian".equals(setting) || "oledblack".equals(setting);
150		}
151	}
152
153	public static boolean isDark(@StyleRes int id) {
154		switch (id) {
155			case R.style.ConversationsTheme_Dark:
156			case R.style.ConversationsTheme_Dark_Large:
157			case R.style.ConversationsTheme_Dark_Medium:
158			case R.style.ConversationsTheme_CustomDark:
159			case R.style.ConversationsTheme_CustomDark_Large:
160			case R.style.ConversationsTheme_CustomDark_Medium:
161			case R.style.ConversationsTheme_Obsidian:
162			case R.style.ConversationsTheme_Obsidian_Large:
163			case R.style.ConversationsTheme_Obsidian_Medium:
164			case R.style.ConversationsTheme_OLEDBlack:
165			case R.style.ConversationsTheme_OLEDBlack_Large:
166			case R.style.ConversationsTheme_OLEDBlack_Medium:
167				return true;
168			default:
169				return false;
170		}
171	}
172
173	public static void fix(Snackbar snackbar) {
174		final Context context = snackbar.getContext();
175		TypedArray typedArray = context.obtainStyledAttributes(new int[]{R.attr.TextSizeBody1});
176		final float size = typedArray.getDimension(0,0f);
177		typedArray.recycle();
178		if (size != 0f) {
179			final TextView text = snackbar.getView().findViewById(com.google.android.material.R.id.snackbar_text);
180			final TextView action = snackbar.getView().findViewById(com.google.android.material.R.id.snackbar_action);
181			if (text != null && action != null) {
182				text.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);
183				action.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);
184				action.setTextColor(ContextCompat.getColor(context, R.color.blue_a100));
185			}
186		}
187	}
188}