| /* |
| * Copyright (C) 2018 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.server.am; |
| |
| import android.content.Context; |
| import android.content.pm.UserInfo; |
| import android.content.res.Resources; |
| import android.graphics.Bitmap; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.ColorFilter; |
| import android.graphics.Paint; |
| import android.graphics.Path; |
| import android.graphics.PixelFormat; |
| import android.graphics.PorterDuff; |
| import android.graphics.PorterDuffXfermode; |
| import android.graphics.Rect; |
| import android.graphics.RectF; |
| import android.graphics.drawable.ColorDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.os.Build; |
| import android.os.UserManager; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.widget.ImageView; |
| import android.widget.TextView; |
| |
| import com.android.internal.R; |
| |
| |
| /** |
| * Dialog to show when a user switch it about to happen for the car. The intent is to snapshot the |
| * screen immediately after the dialog shows so that the user is informed that something is |
| * happening in the background rather than just freeze the screen and not know if the user-switch |
| * affordance was being handled. |
| */ |
| final class CarUserSwitchingDialog extends UserSwitchingDialog { |
| |
| private static final String TAG = "ActivityManagerCarUserSwitchingDialog"; |
| |
| public CarUserSwitchingDialog(ActivityManagerService service, Context context, UserInfo oldUser, |
| UserInfo newUser, boolean aboveSystem, String switchingFromSystemUserMessage, |
| String switchingToSystemUserMessage) { |
| super(service, context, oldUser, newUser, aboveSystem, switchingFromSystemUserMessage, |
| switchingToSystemUserMessage); |
| |
| getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT)); |
| } |
| |
| @Override |
| void inflateContent() { |
| // Set up the dialog contents |
| setCancelable(false); |
| Resources res = getContext().getResources(); |
| // Custom view due to alignment and font size requirements |
| getContext().setTheme(R.style.Theme_DeviceDefault_Light_Dialog_Alert_UserSwitchingDialog); |
| View view = LayoutInflater.from(getContext()).inflate( |
| R.layout.car_user_switching_dialog, |
| null); |
| |
| UserManager userManager = |
| (UserManager) getContext().getSystemService(Context.USER_SERVICE); |
| Bitmap bitmap = userManager.getUserIcon(mNewUser.id); |
| if (bitmap != null) { |
| CircleFramedDrawable drawable = CircleFramedDrawable.getInstance(bitmap, |
| res.getDimension(R.dimen.car_fullscreen_user_pod_image_avatar_height)); |
| ((ImageView) view.findViewById(R.id.user_loading_avatar)) |
| .setImageDrawable(drawable); |
| } |
| |
| TextView msgView = view.findViewById(R.id.user_loading); |
| // TODO: use developer settings instead |
| if (Build.IS_DEBUGGABLE) { |
| // TODO: use specific string |
| msgView.setText(res.getString(R.string.car_loading_profile) + " user\n(from " |
| + mOldUser.id + " to " + mNewUser.id + ")"); |
| } else { |
| msgView.setText(res.getString(R.string.car_loading_profile)); |
| } |
| setView(view); |
| } |
| |
| /** |
| * Converts the user icon to a circularly clipped one. This is used in the User Picker and |
| * Settings. |
| */ |
| static class CircleFramedDrawable extends Drawable { |
| |
| private final Bitmap mBitmap; |
| private final int mSize; |
| private final Paint mPaint; |
| |
| private float mScale; |
| private Rect mSrcRect; |
| private RectF mDstRect; |
| |
| public static CircleFramedDrawable getInstance(Bitmap icon, float iconSize) { |
| CircleFramedDrawable instance = new CircleFramedDrawable(icon, (int) iconSize); |
| return instance; |
| } |
| |
| public CircleFramedDrawable(Bitmap icon, int size) { |
| super(); |
| mSize = size; |
| |
| mBitmap = Bitmap.createBitmap(mSize, mSize, Bitmap.Config.ARGB_8888); |
| final Canvas canvas = new Canvas(mBitmap); |
| |
| final int width = icon.getWidth(); |
| final int height = icon.getHeight(); |
| final int square = Math.min(width, height); |
| |
| final Rect cropRect = new Rect((width - square) / 2, (height - square) / 2, |
| square, square); |
| final RectF circleRect = new RectF(0f, 0f, mSize, mSize); |
| |
| final Path fillPath = new Path(); |
| fillPath.addArc(circleRect, 0f, 360f); |
| |
| canvas.drawColor(0, PorterDuff.Mode.CLEAR); |
| |
| // opaque circle |
| mPaint = new Paint(); |
| mPaint.setAntiAlias(true); |
| mPaint.setColor(Color.BLACK); |
| mPaint.setStyle(Paint.Style.FILL); |
| canvas.drawPath(fillPath, mPaint); |
| |
| // mask in the icon where the bitmap is opaque |
| mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN)); |
| canvas.drawBitmap(icon, cropRect, circleRect, mPaint); |
| |
| // prepare paint for frame drawing |
| mPaint.setXfermode(null); |
| |
| mScale = 1f; |
| |
| mSrcRect = new Rect(0, 0, mSize, mSize); |
| mDstRect = new RectF(0, 0, mSize, mSize); |
| } |
| |
| @Override |
| public void draw(Canvas canvas) { |
| final float inside = mScale * mSize; |
| final float pad = (mSize - inside) / 2f; |
| |
| mDstRect.set(pad, pad, mSize - pad, mSize - pad); |
| canvas.drawBitmap(mBitmap, mSrcRect, mDstRect, null); |
| } |
| |
| @Override |
| public int getOpacity() { |
| return PixelFormat.TRANSLUCENT; |
| } |
| |
| @Override |
| public void setAlpha(int alpha) { |
| // Needed to implement abstract method. Do nothing. |
| } |
| |
| @Override |
| public void setColorFilter(ColorFilter colorFilter) { |
| // Needed to implement abstract method. Do nothing. |
| } |
| } |
| } |