| /* |
| * Copyright (C) 2017 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; |
| |
| import static android.view.WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS; |
| |
| import android.content.Context; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.Paint; |
| import android.graphics.Path; |
| import android.graphics.PixelFormat; |
| import android.view.DisplayCutout; |
| import android.view.Gravity; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.ViewGroup.LayoutParams; |
| import android.view.WindowInsets; |
| import android.view.WindowManager; |
| |
| import com.android.systemui.statusbar.policy.ConfigurationController; |
| import com.android.systemui.statusbar.policy.ConfigurationController.ConfigurationListener; |
| |
| /** |
| * Emulates a display cutout by drawing its shape in an overlay as supplied by |
| * {@link DisplayCutout}. |
| */ |
| public class EmulatedDisplayCutout extends SystemUI implements ConfigurationListener { |
| private View mOverlay; |
| private boolean mAttached; |
| private WindowManager mWindowManager; |
| |
| @Override |
| public void start() { |
| Dependency.get(ConfigurationController.class).addCallback(this); |
| |
| mWindowManager = mContext.getSystemService(WindowManager.class); |
| updateAttached(); |
| } |
| |
| @Override |
| public void onOverlayChanged() { |
| updateAttached(); |
| } |
| |
| private void updateAttached() { |
| boolean shouldAttach = mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_fillMainBuiltInDisplayCutout); |
| setAttached(shouldAttach); |
| } |
| |
| private void setAttached(boolean attached) { |
| if (attached && !mAttached) { |
| if (mOverlay == null) { |
| mOverlay = new CutoutView(mContext); |
| mOverlay.setLayoutParams(getLayoutParams()); |
| } |
| mWindowManager.addView(mOverlay, mOverlay.getLayoutParams()); |
| mAttached = true; |
| } else if (!attached && mAttached) { |
| mWindowManager.removeView(mOverlay); |
| mAttached = false; |
| } |
| } |
| |
| private WindowManager.LayoutParams getLayoutParams() { |
| final WindowManager.LayoutParams lp = new WindowManager.LayoutParams( |
| ViewGroup.LayoutParams.MATCH_PARENT, |
| LayoutParams.MATCH_PARENT, |
| WindowManager.LayoutParams.TYPE_NAVIGATION_BAR_PANEL, |
| WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE |
| | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE |
| | WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL |
| | WindowManager.LayoutParams.FLAG_SPLIT_TOUCH |
| | WindowManager.LayoutParams.FLAG_SLIPPERY |
| | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN |
| | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR, |
| PixelFormat.TRANSLUCENT); |
| lp.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS |
| | WindowManager.LayoutParams.PRIVATE_FLAG_IS_ROUNDED_CORNERS_OVERLAY; |
| lp.layoutInDisplayCutoutMode = LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS; |
| lp.setTitle("EmulatedDisplayCutout"); |
| lp.gravity = Gravity.TOP; |
| return lp; |
| } |
| |
| private static class CutoutView extends View { |
| private final Paint mPaint = new Paint(); |
| private final Path mBounds = new Path(); |
| |
| CutoutView(Context context) { |
| super(context); |
| } |
| |
| @Override |
| public WindowInsets onApplyWindowInsets(WindowInsets insets) { |
| mBounds.reset(); |
| if (insets.getDisplayCutout() != null) { |
| insets.getDisplayCutout().getBounds().getBoundaryPath(mBounds); |
| } |
| invalidate(); |
| return insets.consumeDisplayCutout(); |
| } |
| |
| @Override |
| protected void onDraw(Canvas canvas) { |
| if (!mBounds.isEmpty()) { |
| mPaint.setColor(Color.BLACK); |
| mPaint.setStyle(Paint.Style.FILL); |
| |
| canvas.drawPath(mBounds, mPaint); |
| } |
| } |
| } |
| } |