| /* |
| * Copyright (C) 2021 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.wallpaper; |
| |
| import android.os.RemoteException; |
| import android.os.ShellCommand; |
| import android.util.Log; |
| |
| import java.io.PrintWriter; |
| |
| /** |
| * Shell Command class to run adb commands on the wallpaper service |
| */ |
| public class WallpaperManagerShellCommand extends ShellCommand { |
| private static final String TAG = "WallpaperManagerShellCommand"; |
| |
| private final WallpaperManagerService mService; |
| |
| public WallpaperManagerShellCommand(WallpaperManagerService service) { |
| mService = service; |
| } |
| |
| @Override |
| public int onCommand(String cmd) { |
| if (cmd == null) { |
| onHelp(); |
| return 1; |
| } |
| switch(cmd) { |
| case "set-dim-amount": |
| return setWallpaperDimAmount(); |
| case "dim-with-uid": |
| return setDimmingWithUid(); |
| case "get-dim-amount": |
| return getWallpaperDimAmount(); |
| case "-h": |
| case "help": |
| onHelp(); |
| return 0; |
| default: |
| return handleDefaultCommands(cmd); |
| } |
| } |
| |
| @Override |
| public void onHelp() { |
| final PrintWriter pw = getOutPrintWriter(); |
| pw.println("Wallpaper manager commands:"); |
| pw.println(" help"); |
| pw.println(" Print this help text."); |
| pw.println(); |
| pw.println(" set-dim-amount DIMMING"); |
| pw.println(" Sets the current dimming value to DIMMING (a number between 0 and 1)."); |
| pw.println(); |
| pw.println(" dim-with-uid UID DIMMING"); |
| pw.println(" Sets the wallpaper dim amount to DIMMING as if an app with uid, UID, " |
| + "called it."); |
| pw.println(); |
| pw.println(" get-dim-amount"); |
| pw.println(" Get the current wallpaper dim amount."); |
| } |
| |
| /** |
| * Sets the wallpaper dim amount between [0f, 1f] which would be blended with the system default |
| * dimming. 0f doesn't add any additional dimming and 1f makes the wallpaper fully black. |
| */ |
| private int setWallpaperDimAmount() { |
| float dimAmount = Float.parseFloat(getNextArgRequired()); |
| try { |
| mService.setWallpaperDimAmount(dimAmount); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Can't set wallpaper dim amount"); |
| } |
| getOutPrintWriter().println("Dimming the wallpaper to: " + dimAmount); |
| return 0; |
| } |
| |
| /** |
| * Gets the current additional dim amount set on the wallpaper. 0f means no application has |
| * added any dimming on top of the system default dim amount. |
| */ |
| private int getWallpaperDimAmount() { |
| float dimAmount = mService.getWallpaperDimAmount(); |
| getOutPrintWriter().println("The current wallpaper dim amount is: " + dimAmount); |
| return 0; |
| } |
| |
| /** |
| * Sets the wallpaper dim amount for an arbitrary UID to simulate multiple applications setting |
| * a dim amount on the wallpaper. |
| */ |
| private int setDimmingWithUid() { |
| int mockUid = Integer.parseInt(getNextArgRequired()); |
| float mockDimAmount = Float.parseFloat(getNextArgRequired()); |
| mService.setWallpaperDimAmountForUid(mockUid, mockDimAmount); |
| getOutPrintWriter().println("Dimming the wallpaper for UID: " + mockUid + " to: " |
| + mockDimAmount); |
| return 0; |
| } |
| } |