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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.dialer.theme.base;
import android.content.Context;
import android.content.res.TypedArray;
import android.support.annotation.ColorInt;
import android.support.annotation.IntDef;
import android.support.annotation.StyleRes;
import android.view.ContextThemeWrapper;
import android.view.LayoutInflater;
import com.android.dialer.common.Assert;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/** Utility for fetching */
@SuppressWarnings("unused")
public class ThemeUtil {
/** IntDef for the different themes Dialer supports. */
@Retention(RetentionPolicy.SOURCE)
@IntDef({UNKNOWN, LIGHT, DARK})
public @interface Theme {}
public static final int UNKNOWN = 0;
public static final int LIGHT = 1;
public static final int DARK = 2;
private static @Theme int theme = UNKNOWN;
private static int colorIcon = -1;
private static int colorIconSecondary = -1;
private static int colorPrimary = -1;
private static int colorPrimaryDark = -1;
private static int colorAccent = -1;
private static int textColorPrimary = -1;
private static int textColorSecondary = -1;
private static int textColorPrimaryInverse = -1;
private static int textColorHint = -1;
private static int colorBackground = -1;
private static int colorBackgroundFloating = -1;
private static int colorTextOnUnthemedDarkBackground = -1;
private static int colorIconOnUnthemedDarkBackground = -1;
public static void initializeTheme(Context context) {
// TODO(a bug): add share prefs check to configure this
theme = LIGHT;
context = context.getApplicationContext();
context.setTheme(getApplicationThemeRes());
TypedArray array =
context
.getTheme()
.obtainStyledAttributes(
getApplicationThemeRes(),
new int[] {
android.R.attr.colorPrimary,
android.R.attr.colorPrimaryDark,
android.R.attr.colorAccent,
android.R.attr.textColorPrimary,
android.R.attr.textColorSecondary,
android.R.attr.textColorPrimaryInverse,
android.R.attr.textColorHint,
android.R.attr.colorBackground,
android.R.attr.colorBackgroundFloating,
R.attr.colorIcon,
R.attr.colorIconSecondary,
R.attr.colorTextOnUnthemedDarkBackground,
R.attr.colorIconOnUnthemedDarkBackground,
});
colorPrimary = array.getColor(/* index= */ 0, /* defValue= */ -1);
colorPrimaryDark = array.getColor(/* index= */ 1, /* defValue= */ -1);
colorAccent = array.getColor(/* index= */ 2, /* defValue= */ -1);
textColorPrimary = array.getColor(/* index= */ 3, /* defValue= */ -1);
textColorSecondary = array.getColor(/* index= */ 4, /* defValue= */ -1);
textColorPrimaryInverse = array.getColor(/* index= */ 5, /* defValue= */ -1);
textColorHint = array.getColor(/* index= */ 6, /* defValue= */ -1);
colorBackground = array.getColor(/* index= */ 7, /* defValue= */ -1);
colorBackgroundFloating = array.getColor(/* index= */ 8, /* defValue= */ -1);
colorIcon = array.getColor(/* index= */ 9, /* defValue= */ -1);
colorIconSecondary = array.getColor(/* index= */ 10, /* defValue= */ -1);
colorTextOnUnthemedDarkBackground = array.getColor(/* index= */ 11, /* defValue= */ -1);
colorIconOnUnthemedDarkBackground = array.getColor(/* index= */ 12, /* defValue= */ -1);
array.recycle();
}
/**
* Returns the {@link Theme} that the application is using. Activities should check this value if
* their custom style needs to customize further based on the application theme.
*/
public static @Theme int getTheme() {
Assert.checkArgument(theme != UNKNOWN);
return theme;
}
public static @StyleRes int getApplicationThemeRes() {
switch (theme) {
case DARK:
return R.style.Dialer_Dark_ThemeBase_NoActionBar;
case LIGHT:
return R.style.Dialer_ThemeBase_NoActionBar;
case UNKNOWN:
default:
throw Assert.createIllegalStateFailException("Theme hasn't been set yet.");
}
}
public static Context getThemedContext(Context context) {
return new ContextThemeWrapper(context, getApplicationThemeRes());
}
public static LayoutInflater getThemedLayoutInflator(LayoutInflater inflater) {
return inflater.cloneInContext(getThemedContext(inflater.getContext()));
}
public static @ColorInt int getColorIcon() {
Assert.checkArgument(colorIcon != -1);
return colorIcon;
}
public static @ColorInt int getColorIconSecondary() {
Assert.checkArgument(colorIconSecondary != -1);
return colorIconSecondary;
}
public static @ColorInt int getColorPrimary() {
Assert.checkArgument(colorPrimary != -1);
return colorPrimary;
}
public static @ColorInt int getColorAccent() {
Assert.checkArgument(colorAccent != -1);
return colorAccent;
}
public static @ColorInt int getTextColorSecondary() {
Assert.checkArgument(textColorSecondary != -1);
return textColorSecondary;
}
public static @ColorInt int getTextColorPrimary() {
Assert.checkArgument(textColorPrimary != -1);
return textColorPrimary;
}
public static @ColorInt int getColorTextOnUnthemedDarkBackground() {
Assert.checkArgument(colorTextOnUnthemedDarkBackground != -1);
return colorTextOnUnthemedDarkBackground;
}
public static @ColorInt int getColorIconOnUnthemedDarkBackground() {
Assert.checkArgument(colorIconOnUnthemedDarkBackground != -1);
return colorIconOnUnthemedDarkBackground;
}
}
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