124 lines
4.5 KiB
Java
124 lines
4.5 KiB
Java
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.inputmethod.latin.setup;
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import android.content.Context;
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import android.content.res.ColorStateList;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.Path;
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import androidx.core.view.ViewCompat;
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import android.util.AttributeSet;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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import com.android.inputmethod.latin.R;
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public final class SetupStartIndicatorView extends LinearLayout {
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public SetupStartIndicatorView(final Context context, final AttributeSet attrs) {
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super(context, attrs);
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setOrientation(HORIZONTAL);
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LayoutInflater.from(context).inflate(R.layout.setup_start_indicator_label, this);
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final LabelView labelView = (LabelView)findViewById(R.id.setup_start_label);
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labelView.setIndicatorView(findViewById(R.id.setup_start_indicator));
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}
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public static final class LabelView extends TextView {
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private View mIndicatorView;
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public LabelView(final Context context, final AttributeSet attrs) {
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super(context, attrs);
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}
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public void setIndicatorView(final View indicatorView) {
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mIndicatorView = indicatorView;
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}
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// TODO: Once we stop supporting ICS, uncomment {@link #setPressed(boolean)} method and
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// remove this method.
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@Override
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protected void drawableStateChanged() {
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super.drawableStateChanged();
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for (final int state : getDrawableState()) {
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if (state == android.R.attr.state_pressed) {
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updateIndicatorView(true /* pressed */);
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return;
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}
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}
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updateIndicatorView(false /* pressed */);
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}
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// TODO: Once we stop supporting ICS, uncomment this method and remove
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// {@link #drawableStateChanged()} method.
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// @Override
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// public void setPressed(final boolean pressed) {
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// super.setPressed(pressed);
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// updateIndicatorView(pressed);
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// }
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private void updateIndicatorView(final boolean pressed) {
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if (mIndicatorView != null) {
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mIndicatorView.setPressed(pressed);
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mIndicatorView.invalidate();
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}
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}
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}
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public static final class IndicatorView extends View {
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private final Path mIndicatorPath = new Path();
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private final Paint mIndicatorPaint = new Paint();
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private final ColorStateList mIndicatorColor;
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public IndicatorView(final Context context, final AttributeSet attrs) {
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super(context, attrs);
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mIndicatorColor = getResources().getColorStateList(
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R.color.setup_step_action_background);
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mIndicatorPaint.setStyle(Paint.Style.FILL);
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}
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@Override
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protected void onDraw(final Canvas canvas) {
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super.onDraw(canvas);
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final int layoutDirection = ViewCompat.getLayoutDirection(this);
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final int width = getWidth();
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final int height = getHeight();
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final float halfHeight = height / 2.0f;
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final Path path = mIndicatorPath;
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path.rewind();
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if (layoutDirection == ViewCompat.LAYOUT_DIRECTION_RTL) {
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// Left arrow
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path.moveTo(width, 0.0f);
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path.lineTo(0.0f, halfHeight);
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path.lineTo(width, height);
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} else { // LAYOUT_DIRECTION_LTR
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// Right arrow
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path.moveTo(0.0f, 0.0f);
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path.lineTo(width, halfHeight);
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path.lineTo(0.0f, height);
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}
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path.close();
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final int[] stateSet = getDrawableState();
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final int color = mIndicatorColor.getColorForState(stateSet, 0);
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mIndicatorPaint.setColor(color);
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canvas.drawPath(path, mIndicatorPaint);
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}
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}
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}
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