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