/*
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* Copyright (C) 2014 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.systemui.statusbar.phone;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.ColorFilter;
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import android.graphics.drawable.Drawable;
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import android.util.AttributeSet;
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import android.view.WindowInsets;
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import android.widget.FrameLayout;
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/**
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* A view group which contains the preview of phone/camera and draws a black bar at the bottom as
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* the fake navigation bar.
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*/
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public class KeyguardPreviewContainer extends FrameLayout {
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private Drawable mBlackBarDrawable = new Drawable() {
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@Override
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public void draw(Canvas canvas) {
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canvas.save();
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canvas.clipRect(0, getHeight() - getPaddingBottom(), getWidth(), getHeight());
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canvas.drawColor(Color.BLACK);
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canvas.restore();
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}
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@Override
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public void setAlpha(int alpha) {
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// noop
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}
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@Override
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public void setColorFilter(ColorFilter colorFilter) {
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// noop
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}
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@Override
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public int getOpacity() {
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return android.graphics.PixelFormat.OPAQUE;
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}
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};
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public KeyguardPreviewContainer(Context context, AttributeSet attrs) {
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super(context, attrs);
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setBackground(mBlackBarDrawable);
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}
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@Override
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public WindowInsets onApplyWindowInsets(WindowInsets insets) {
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setPadding(0, 0, 0, insets.getStableInsetBottom());
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return super.onApplyWindowInsets(insets);
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}
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}
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