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.Resources;
35import android.content.res.TypedArray;
36import android.preference.PreferenceManager;
37import android.support.annotation.StyleRes;
38import android.support.design.widget.Snackbar;
39import android.util.Log;
40import android.util.TypedValue;
41import android.widget.TextView;
42
43import eu.siacs.conversations.Config;
44import eu.siacs.conversations.R;
45import eu.siacs.conversations.ui.SettingsActivity;
46
47public class ThemeHelper {
48
49	public static int find(Context context) {
50		final SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
51		final Resources resources = context.getResources();
52		final boolean dark = sharedPreferences.getString(SettingsActivity.THEME, resources.getString(R.string.theme)).equals("dark");
53		final String fontSize = sharedPreferences.getString("font_size", resources.getString(R.string.default_font_size));
54		switch (fontSize) {
55			case "medium":
56				return dark ? R.style.ConversationsTheme_Dark_Medium : R.style.ConversationsTheme_Medium;
57			case "large":
58				return dark ? R.style.ConversationsTheme_Dark_Large : R.style.ConversationsTheme_Large;
59			default:
60				return dark ? R.style.ConversationsTheme_Dark : R.style.ConversationsTheme;
61		}
62	}
63
64	public static boolean isDark(@StyleRes int id) {
65		switch (id) {
66			case R.style.ConversationsTheme_Dark:
67			case R.style.ConversationsTheme_Dark_Large:
68			case R.style.ConversationsTheme_Dark_Medium:
69				return true;
70			default:
71				return false;
72		}
73	}
74
75	public static void fixTextSize(Snackbar snackbar) {
76		TypedArray typedArray = snackbar.getContext().obtainStyledAttributes(new int[]{R.attr.TextSizeBody1});
77		final float size = typedArray.getDimension(0,0f);
78		typedArray.recycle();
79		if (size != 0f) {
80			final TextView text = snackbar.getView().findViewById(android.support.design.R.id.snackbar_text);
81			final TextView action = snackbar.getView().findViewById(android.support.design.R.id.snackbar_action);
82			if (text != null && action != null) {
83				text.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);
84				action.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);
85			}
86		}
87	}
88}