TextViewStyle.java
/*
* Copyright 2020 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 androidx.autofill.inline.common;
import android.graphics.Typeface;
import android.os.Build;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.TypedValue;
import android.widget.TextView;
import androidx.annotation.ColorInt;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import androidx.annotation.RestrictTo;
import androidx.core.util.Preconditions;
/**
* Specifies the style for a {@link TextView}.
*/
@RequiresApi(api = Build.VERSION_CODES.R)
public final class TextViewStyle extends ViewStyle {
private static final String KEY_TEXT_VIEW_STYLE = "text_view_style";
private static final String KEY_TEXT_SIZE = "text_size";
private static final String KEY_TEXT_SIZE_UNIT = "text_size_unit";
private static final String KEY_TEXT_COLOR = "text_color";
private static final String KEY_TEXT_FONT_FAMILY = "text_font_family";
private static final String KEY_TEXT_FONT_STYLE = "text_font_style";
/**
* This is made public so it can be used by the renderer to converted the received bundle to
* a style. It does not validate the provided bundle. {@link #isValid()} or
* {@link #assertIsValid()} can be used for validation.
*
*/
@RestrictTo(RestrictTo.Scope.LIBRARY)
public TextViewStyle(@NonNull Bundle bundle) {
super(bundle);
}
/**
* Applies the specified style on the {@code textView}.
*
*/
@RestrictTo(RestrictTo.Scope.LIBRARY)
public void applyStyleOnTextViewIfValid(@NonNull TextView textView) {
if (!isValid()) {
return;
}
super.applyStyleOnViewIfValid(textView);
if (mBundle.containsKey(KEY_TEXT_COLOR)) {
textView.setTextColor(mBundle.getInt(KEY_TEXT_COLOR));
}
if (mBundle.containsKey(KEY_TEXT_SIZE)) {
int unit = TypedValue.COMPLEX_UNIT_SP;
if (mBundle.containsKey(KEY_TEXT_SIZE_UNIT)) {
unit = mBundle.getInt(KEY_TEXT_SIZE_UNIT);
}
textView.setTextSize(unit, mBundle.getFloat(KEY_TEXT_SIZE));
}
if (mBundle.containsKey(KEY_TEXT_FONT_FAMILY)) {
final String fontFamily = mBundle.getString(KEY_TEXT_FONT_FAMILY);
if (!TextUtils.isEmpty(fontFamily)) {
textView.setTypeface(
Typeface.create(fontFamily, mBundle.getInt(KEY_TEXT_FONT_STYLE)));
}
}
}
/**
*/
@RestrictTo(RestrictTo.Scope.LIBRARY)
@NonNull
@Override
protected String getStyleKey() {
return KEY_TEXT_VIEW_STYLE;
}
/**
* Builder for the {@link TextViewStyle}.
*/
public static final class Builder extends BaseBuilder<TextViewStyle, Builder> {
public Builder() {
super(KEY_TEXT_VIEW_STYLE);
}
/**
*/
@RestrictTo(RestrictTo.Scope.LIBRARY)
@NonNull
@Override
protected Builder getThis() {
return this;
}
/**
* Specifies the text size, in sp.
*
* @param textSize The scaled pixel size.
* @see TextView#setTextSize(float)
*/
@NonNull
public Builder setTextSize(float textSize) {
mBundle.putFloat(KEY_TEXT_SIZE, textSize);
return this;
}
/**
* Specifies the text size in the provided unit.
*
* @param unit The desired dimension unit.
* @param size The device independent pixel size.
* @see TextView#setTextSize(int, float)
*/
@NonNull
public Builder setTextSize(int unit, float size) {
mBundle.putInt(KEY_TEXT_SIZE_UNIT, unit);
mBundle.putFloat(KEY_TEXT_SIZE, size);
return this;
}
/**
* Specifies the text color.
*
* @param textColor A color value in the form 0xAARRGGBB.
* @see TextView#setTextColor(int)
*/
@NonNull
public Builder setTextColor(@ColorInt int textColor) {
mBundle.putInt(KEY_TEXT_COLOR, textColor);
return this;
}
/**
* Specifies the text font family and style. If the font family can not be found/loaded from
* the renderer process, it may fallback to the default system font.
*
* @param fontFamily the font family for the type face
* @param fontStyle the style for the type face.
* @see Typeface#create(String, int)
* @see TextView#setTypeface(Typeface, int)
*/
@NonNull
public Builder setTypeface(@NonNull String fontFamily, int fontStyle) {
Preconditions.checkNotNull(fontFamily, "fontFamily should not be null");
mBundle.putString(KEY_TEXT_FONT_FAMILY, fontFamily);
mBundle.putInt(KEY_TEXT_FONT_STYLE, fontStyle);
return this;
}
@NonNull
@Override
public TextViewStyle build() {
return new TextViewStyle(mBundle);
}
}
}