mirror of https://github.com/M66B/FairEmail.git
115 lines
3.4 KiB
Java
115 lines
3.4 KiB
Java
package eu.faircode.email;
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/*
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This file is part of FairEmail.
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FairEmail is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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FairEmail is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2018-2019 by Marcel Bokhorst (M66B)
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*/
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import android.content.Context;
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import android.graphics.Color;
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import android.graphics.drawable.GradientDrawable;
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import android.os.Parcel;
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import android.os.Parcelable;
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import android.util.AttributeSet;
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import android.view.View;
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import androidx.appcompat.widget.AppCompatButton;
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import androidx.core.graphics.ColorUtils;
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public class ButtonColor extends AppCompatButton {
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private int color = Color.TRANSPARENT;
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public ButtonColor(Context context) {
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super(context);
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}
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public ButtonColor(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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public ButtonColor(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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}
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@Override
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public Parcelable onSaveInstanceState() {
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Parcelable superState = super.onSaveInstanceState();
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return new SavedState(superState, this.color);
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}
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@Override
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public void onRestoreInstanceState(Parcelable state) {
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SavedState savedState = (SavedState) state;
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super.onRestoreInstanceState(savedState.getSuperState());
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setColor(savedState.getColor());
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}
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void setColor(Integer color) {
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if (color == null)
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color = Color.TRANSPARENT;
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this.color = color;
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GradientDrawable background = new GradientDrawable();
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background.setColor(color);
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background.setStroke(
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Helper.dp2pixels(getContext(), 1),
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Helper.resolveColor(getContext(), R.attr.colorSeparator));
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setBackground(background);
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double lum = ColorUtils.calculateLuminance(color);
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setTextColor(lum < 0.5 ? Color.WHITE : Color.BLACK);
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}
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int getColor() {
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return this.color;
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}
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static class SavedState extends View.BaseSavedState {
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private int color;
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private SavedState(Parcelable superState, int color) {
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super(superState);
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this.color = color;
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}
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private SavedState(Parcel in) {
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super(in);
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color = in.readInt();
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}
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public int getColor() {
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return this.color;
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}
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@Override
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public void writeToParcel(Parcel destination, int flags) {
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super.writeToParcel(destination, flags);
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destination.writeInt(color);
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}
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public static final Parcelable.Creator<SavedState> CREATOR = new Creator<SavedState>() {
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public SavedState createFromParcel(Parcel in) {
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return new SavedState(in);
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}
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public SavedState[] newArray(int size) {
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return new SavedState[size];
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}
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};
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}
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}
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