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.os.Build;
 38import android.preference.PreferenceManager;
 39import android.support.annotation.StyleRes;
 40import android.support.design.widget.Snackbar;
 41import android.support.v4.content.ContextCompat;
 42import android.util.TypedValue;
 43import android.widget.TextView;
 44
 45import eu.siacs.conversations.R;
 46import eu.siacs.conversations.ui.SettingsActivity;
 47
 48public class ThemeHelper {
 49
 50	public static int find(final Context context) {
 51		final SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
 52		final Resources resources = context.getResources();
 53		final boolean dark = isDark(sharedPreferences, resources);
 54		final String fontSize = sharedPreferences.getString("font_size", resources.getString(R.string.default_font_size));
 55		switch (fontSize) {
 56			case "medium":
 57				return dark ? R.style.ConversationsTheme_Dark_Medium : R.style.ConversationsTheme_Medium;
 58			case "large":
 59				return dark ? R.style.ConversationsTheme_Dark_Large : R.style.ConversationsTheme_Large;
 60			default:
 61				return dark ? R.style.ConversationsTheme_Dark : R.style.ConversationsTheme;
 62		}
 63	}
 64
 65	public static int findDialog(Context context) {
 66		final SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
 67		final Resources resources = context.getResources();
 68		final boolean dark = isDark(sharedPreferences, resources);
 69		final String fontSize = sharedPreferences.getString("font_size", resources.getString(R.string.default_font_size));
 70		switch (fontSize) {
 71			case "medium":
 72				return dark ? R.style.ConversationsTheme_Dark_Dialog_Medium : R.style.ConversationsTheme_Dialog_Medium;
 73			case "large":
 74				return dark ? R.style.ConversationsTheme_Dark_Dialog_Large : R.style.ConversationsTheme_Dialog_Large;
 75			default:
 76				return dark ? R.style.ConversationsTheme_Dark_Dialog : R.style.ConversationsTheme_Dialog;
 77		}
 78	}
 79
 80	private static boolean isDark(final SharedPreferences sharedPreferences, final Resources resources) {
 81		final String setting = sharedPreferences.getString(SettingsActivity.THEME, resources.getString(R.string.theme));
 82		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q && "automatic".equals(setting)) {
 83			return (resources.getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK) == Configuration.UI_MODE_NIGHT_YES;
 84		} else {
 85			return "dark".equals(setting);
 86		}
 87	}
 88
 89	public static boolean isDark(@StyleRes int id) {
 90		switch (id) {
 91			case R.style.ConversationsTheme_Dark:
 92			case R.style.ConversationsTheme_Dark_Large:
 93			case R.style.ConversationsTheme_Dark_Medium:
 94				return true;
 95			default:
 96				return false;
 97		}
 98	}
 99
100	public static void fix(Snackbar snackbar) {
101		final Context context = snackbar.getContext();
102		TypedArray typedArray = context.obtainStyledAttributes(new int[]{R.attr.TextSizeBody1});
103		final float size = typedArray.getDimension(0,0f);
104		typedArray.recycle();
105		if (size != 0f) {
106			final TextView text = snackbar.getView().findViewById(android.support.design.R.id.snackbar_text);
107			final TextView action = snackbar.getView().findViewById(android.support.design.R.id.snackbar_action);
108			if (text != null && action != null) {
109				text.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);
110				action.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);
111				action.setTextColor(ContextCompat.getColor(context, R.color.blue_a100));
112			}
113		}
114	}
115}