John Spurlock | c6d1c60 | 2014-01-17 15:22:06 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Jorim Jaggi | b10e33f | 2015-02-04 21:57:40 +0100 | [diff] [blame] | 17 | package com.android.server.policy; |
John Spurlock | c6d1c60 | 2014-01-17 15:22:06 -0500 | [diff] [blame] | 18 | |
Guang Zhu | 1dbead1 | 2014-08-17 16:34:08 -0700 | [diff] [blame] | 19 | import android.app.ActivityManager; |
John Spurlock | c6d1c60 | 2014-01-17 15:22:06 -0500 | [diff] [blame] | 20 | import android.content.Context; |
| 21 | import android.os.UserHandle; |
| 22 | import android.provider.Settings; |
| 23 | import android.util.ArraySet; |
| 24 | import android.util.Slog; |
| 25 | import android.view.View; |
| 26 | import android.view.WindowManager; |
| 27 | import android.view.WindowManager.LayoutParams; |
| 28 | import android.view.WindowManagerPolicy.WindowState; |
| 29 | |
| 30 | import java.io.PrintWriter; |
| 31 | import java.io.StringWriter; |
| 32 | |
| 33 | /** |
| 34 | * Runtime adjustments applied to the global window policy. |
| 35 | * |
| 36 | * This includes forcing immersive mode behavior for one or both system bars (based on a package |
| 37 | * list) and permanently disabling immersive mode confirmations for specific packages. |
| 38 | * |
| 39 | * Control by setting {@link Settings.Global.POLICY_CONTROL} to one or more name-value pairs. |
| 40 | * e.g. |
| 41 | * to force immersive mode everywhere: |
| 42 | * "immersive.full=*" |
| 43 | * to force transient status for all apps except a specific package: |
| 44 | * "immersive.status=apps,-com.package" |
| 45 | * to disable the immersive mode confirmations for specific packages: |
| 46 | * "immersive.preconfirms=com.package.one,com.package.two" |
| 47 | * |
| 48 | * Separate multiple name-value pairs with ':' |
| 49 | * e.g. "immersive.status=apps:immersive.preconfirms=*" |
| 50 | */ |
| 51 | public class PolicyControl { |
| 52 | private static String TAG = "PolicyControl"; |
| 53 | private static boolean DEBUG = false; |
| 54 | |
| 55 | private static final String NAME_IMMERSIVE_FULL = "immersive.full"; |
| 56 | private static final String NAME_IMMERSIVE_STATUS = "immersive.status"; |
| 57 | private static final String NAME_IMMERSIVE_NAVIGATION = "immersive.navigation"; |
| 58 | private static final String NAME_IMMERSIVE_PRECONFIRMATIONS = "immersive.preconfirms"; |
| 59 | |
| 60 | private static String sSettingValue; |
| 61 | private static Filter sImmersivePreconfirmationsFilter; |
| 62 | private static Filter sImmersiveStatusFilter; |
| 63 | private static Filter sImmersiveNavigationFilter; |
| 64 | |
John Spurlock | 1db8b68 | 2014-02-18 11:18:59 -0500 | [diff] [blame] | 65 | public static int getSystemUiVisibility(WindowState win, LayoutParams attrs) { |
| 66 | attrs = attrs != null ? attrs : win.getAttrs(); |
| 67 | int vis = win != null ? win.getSystemUiVisibility() : attrs.systemUiVisibility; |
| 68 | if (sImmersiveStatusFilter != null && sImmersiveStatusFilter.matches(attrs)) { |
John Spurlock | c6d1c60 | 2014-01-17 15:22:06 -0500 | [diff] [blame] | 69 | vis |= View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY |
| 70 | | View.SYSTEM_UI_FLAG_FULLSCREEN |
| 71 | | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN; |
| 72 | vis &= ~(View.SYSTEM_UI_FLAG_LAYOUT_STABLE |
| 73 | | View.STATUS_BAR_TRANSLUCENT); |
| 74 | } |
John Spurlock | 1db8b68 | 2014-02-18 11:18:59 -0500 | [diff] [blame] | 75 | if (sImmersiveNavigationFilter != null && sImmersiveNavigationFilter.matches(attrs)) { |
John Spurlock | c6d1c60 | 2014-01-17 15:22:06 -0500 | [diff] [blame] | 76 | vis |= View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY |
| 77 | | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION |
| 78 | | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION; |
| 79 | vis &= ~(View.SYSTEM_UI_FLAG_LAYOUT_STABLE |
| 80 | | View.NAVIGATION_BAR_TRANSLUCENT); |
| 81 | } |
| 82 | return vis; |
| 83 | } |
| 84 | |
| 85 | public static int getWindowFlags(WindowState win, LayoutParams attrs) { |
John Spurlock | 1db8b68 | 2014-02-18 11:18:59 -0500 | [diff] [blame] | 86 | attrs = attrs != null ? attrs : win.getAttrs(); |
| 87 | int flags = attrs.flags; |
| 88 | if (sImmersiveStatusFilter != null && sImmersiveStatusFilter.matches(attrs)) { |
John Spurlock | c6d1c60 | 2014-01-17 15:22:06 -0500 | [diff] [blame] | 89 | flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN; |
| 90 | flags &= ~(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS |
| 91 | | WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN); |
| 92 | } |
John Spurlock | 1db8b68 | 2014-02-18 11:18:59 -0500 | [diff] [blame] | 93 | if (sImmersiveNavigationFilter != null && sImmersiveNavigationFilter.matches(attrs)) { |
John Spurlock | c6d1c60 | 2014-01-17 15:22:06 -0500 | [diff] [blame] | 94 | flags &= ~WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION; |
| 95 | } |
| 96 | return flags; |
| 97 | } |
| 98 | |
| 99 | public static int adjustClearableFlags(WindowState win, int clearableFlags) { |
John Spurlock | 1db8b68 | 2014-02-18 11:18:59 -0500 | [diff] [blame] | 100 | final LayoutParams attrs = win != null ? win.getAttrs() : null; |
| 101 | if (sImmersiveStatusFilter != null && sImmersiveStatusFilter.matches(attrs)) { |
John Spurlock | c6d1c60 | 2014-01-17 15:22:06 -0500 | [diff] [blame] | 102 | clearableFlags &= ~View.SYSTEM_UI_FLAG_FULLSCREEN; |
| 103 | } |
| 104 | return clearableFlags; |
| 105 | } |
| 106 | |
| 107 | public static boolean disableImmersiveConfirmation(String pkg) { |
Guang Zhu | 1dbead1 | 2014-08-17 16:34:08 -0700 | [diff] [blame] | 108 | return (sImmersivePreconfirmationsFilter != null |
| 109 | && sImmersivePreconfirmationsFilter.matches(pkg)) |
| 110 | || ActivityManager.isRunningInTestHarness(); |
John Spurlock | c6d1c60 | 2014-01-17 15:22:06 -0500 | [diff] [blame] | 111 | } |
| 112 | |
| 113 | public static void reloadFromSetting(Context context) { |
| 114 | if (DEBUG) Slog.d(TAG, "reloadFromSetting()"); |
| 115 | String value = null; |
| 116 | try { |
| 117 | value = Settings.Global.getStringForUser(context.getContentResolver(), |
| 118 | Settings.Global.POLICY_CONTROL, |
| 119 | UserHandle.USER_CURRENT); |
| 120 | if (sSettingValue != null && sSettingValue.equals(value)) return; |
| 121 | setFilters(value); |
| 122 | sSettingValue = value; |
| 123 | } catch (Throwable t) { |
| 124 | Slog.w(TAG, "Error loading policy control, value=" + value, t); |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | public static void dump(String prefix, PrintWriter pw) { |
| 129 | dump("sImmersiveStatusFilter", sImmersiveStatusFilter, prefix, pw); |
| 130 | dump("sImmersiveNavigationFilter", sImmersiveNavigationFilter, prefix, pw); |
| 131 | dump("sImmersivePreconfirmationsFilter", sImmersivePreconfirmationsFilter, prefix, pw); |
| 132 | } |
| 133 | |
| 134 | private static void dump(String name, Filter filter, String prefix, PrintWriter pw) { |
| 135 | pw.print(prefix); pw.print("PolicyControl."); pw.print(name); pw.print('='); |
| 136 | if (filter == null) { |
| 137 | pw.println("null"); |
| 138 | } else { |
| 139 | filter.dump(pw); pw.println(); |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | private static void setFilters(String value) { |
| 144 | if (DEBUG) Slog.d(TAG, "setFilters: " + value); |
| 145 | sImmersiveStatusFilter = null; |
| 146 | sImmersiveNavigationFilter = null; |
| 147 | sImmersivePreconfirmationsFilter = null; |
John Spurlock | b8c37e2 | 2014-02-10 15:36:24 -0500 | [diff] [blame] | 148 | if (value != null) { |
| 149 | String[] nvps = value.split(":"); |
| 150 | for (String nvp : nvps) { |
| 151 | int i = nvp.indexOf('='); |
| 152 | if (i == -1) continue; |
| 153 | String n = nvp.substring(0, i); |
| 154 | String v = nvp.substring(i + 1); |
| 155 | if (n.equals(NAME_IMMERSIVE_FULL)) { |
| 156 | Filter f = Filter.parse(v); |
| 157 | sImmersiveStatusFilter = sImmersiveNavigationFilter = f; |
| 158 | if (sImmersivePreconfirmationsFilter == null) { |
| 159 | sImmersivePreconfirmationsFilter = f; |
| 160 | } |
| 161 | } else if (n.equals(NAME_IMMERSIVE_STATUS)) { |
| 162 | Filter f = Filter.parse(v); |
| 163 | sImmersiveStatusFilter = f; |
| 164 | } else if (n.equals(NAME_IMMERSIVE_NAVIGATION)) { |
| 165 | Filter f = Filter.parse(v); |
| 166 | sImmersiveNavigationFilter = f; |
| 167 | if (sImmersivePreconfirmationsFilter == null) { |
| 168 | sImmersivePreconfirmationsFilter = f; |
| 169 | } |
| 170 | } else if (n.equals(NAME_IMMERSIVE_PRECONFIRMATIONS)) { |
| 171 | Filter f = Filter.parse(v); |
John Spurlock | c6d1c60 | 2014-01-17 15:22:06 -0500 | [diff] [blame] | 172 | sImmersivePreconfirmationsFilter = f; |
| 173 | } |
John Spurlock | c6d1c60 | 2014-01-17 15:22:06 -0500 | [diff] [blame] | 174 | } |
| 175 | } |
| 176 | if (DEBUG) { |
| 177 | Slog.d(TAG, "immersiveStatusFilter: " + sImmersiveStatusFilter); |
| 178 | Slog.d(TAG, "immersiveNavigationFilter: " + sImmersiveNavigationFilter); |
| 179 | Slog.d(TAG, "immersivePreconfirmationsFilter: " + sImmersivePreconfirmationsFilter); |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | private static class Filter { |
| 184 | private static final String ALL = "*"; |
| 185 | private static final String APPS = "apps"; |
| 186 | |
| 187 | private final ArraySet<String> mWhitelist; |
| 188 | private final ArraySet<String> mBlacklist; |
| 189 | |
| 190 | private Filter(ArraySet<String> whitelist, ArraySet<String> blacklist) { |
| 191 | mWhitelist = whitelist; |
| 192 | mBlacklist = blacklist; |
| 193 | } |
| 194 | |
John Spurlock | 1db8b68 | 2014-02-18 11:18:59 -0500 | [diff] [blame] | 195 | boolean matches(LayoutParams attrs) { |
John Spurlock | c6d1c60 | 2014-01-17 15:22:06 -0500 | [diff] [blame] | 196 | if (attrs == null) return false; |
| 197 | boolean isApp = attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW |
| 198 | && attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW; |
| 199 | if (isApp && mBlacklist.contains(APPS)) return false; |
| 200 | if (onBlacklist(attrs.packageName)) return false; |
| 201 | if (isApp && mWhitelist.contains(APPS)) return true; |
| 202 | return onWhitelist(attrs.packageName); |
| 203 | } |
| 204 | |
| 205 | boolean matches(String packageName) { |
| 206 | return !onBlacklist(packageName) && onWhitelist(packageName); |
| 207 | } |
| 208 | |
| 209 | private boolean onBlacklist(String packageName) { |
| 210 | return mBlacklist.contains(packageName) || mBlacklist.contains(ALL); |
| 211 | } |
| 212 | |
| 213 | private boolean onWhitelist(String packageName) { |
| 214 | return mWhitelist.contains(ALL) || mWhitelist.contains(packageName); |
| 215 | } |
| 216 | |
| 217 | void dump(PrintWriter pw) { |
| 218 | pw.print("Filter["); |
| 219 | dump("whitelist", mWhitelist, pw); pw.print(','); |
| 220 | dump("blacklist", mBlacklist, pw); pw.print(']'); |
| 221 | } |
| 222 | |
| 223 | private void dump(String name, ArraySet<String> set, PrintWriter pw) { |
| 224 | pw.print(name); pw.print("=("); |
| 225 | final int n = set.size(); |
| 226 | for (int i = 0; i < n; i++) { |
| 227 | if (i > 0) pw.print(','); |
| 228 | pw.print(set.valueAt(i)); |
| 229 | } |
| 230 | pw.print(')'); |
| 231 | } |
| 232 | |
| 233 | @Override |
| 234 | public String toString() { |
| 235 | StringWriter sw = new StringWriter(); |
| 236 | dump(new PrintWriter(sw, true)); |
| 237 | return sw.toString(); |
| 238 | } |
| 239 | |
| 240 | // value = comma-delimited list of tokens, where token = (package name|apps|*) |
| 241 | // e.g. "com.package1", or "apps, com.android.keyguard" or "*" |
| 242 | static Filter parse(String value) { |
| 243 | if (value == null) return null; |
| 244 | ArraySet<String> whitelist = new ArraySet<String>(); |
| 245 | ArraySet<String> blacklist = new ArraySet<String>(); |
| 246 | for (String token : value.split(",")) { |
| 247 | token = token.trim(); |
| 248 | if (token.startsWith("-") && token.length() > 1) { |
| 249 | token = token.substring(1); |
| 250 | blacklist.add(token); |
| 251 | } else { |
| 252 | whitelist.add(token); |
| 253 | } |
| 254 | } |
| 255 | return new Filter(whitelist, blacklist); |
| 256 | } |
| 257 | } |
| 258 | } |