Tony Mantler | e43853c | 2015-10-09 14:37:32 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 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 | |
| 17 | package com.android.settingslib.dream; |
| 18 | |
Evan Laird | 7f2539c | 2017-04-26 14:12:34 -0400 | [diff] [blame] | 19 | import android.annotation.IntDef; |
Tony Mantler | e43853c | 2015-10-09 14:37:32 -0700 | [diff] [blame] | 20 | import android.content.ComponentName; |
| 21 | import android.content.Context; |
| 22 | import android.content.Intent; |
| 23 | import android.content.pm.PackageManager; |
| 24 | import android.content.pm.ResolveInfo; |
| 25 | import android.content.pm.ServiceInfo; |
| 26 | import android.content.res.Resources; |
| 27 | import android.content.res.TypedArray; |
| 28 | import android.content.res.XmlResourceParser; |
| 29 | import android.graphics.drawable.Drawable; |
| 30 | import android.os.RemoteException; |
| 31 | import android.os.ServiceManager; |
| 32 | import android.provider.Settings; |
| 33 | import android.service.dreams.DreamService; |
| 34 | import android.service.dreams.IDreamManager; |
| 35 | import android.util.AttributeSet; |
| 36 | import android.util.Log; |
| 37 | import android.util.Xml; |
| 38 | |
| 39 | import org.xmlpull.v1.XmlPullParser; |
| 40 | import org.xmlpull.v1.XmlPullParserException; |
| 41 | |
| 42 | import java.io.IOException; |
Fan Zhang | 9bad9cb | 2018-06-07 11:36:32 -0700 | [diff] [blame] | 43 | import java.lang.annotation.Retention; |
| 44 | import java.lang.annotation.RetentionPolicy; |
Tony Mantler | e43853c | 2015-10-09 14:37:32 -0700 | [diff] [blame] | 45 | import java.util.ArrayList; |
| 46 | import java.util.Collections; |
| 47 | import java.util.Comparator; |
| 48 | import java.util.List; |
| 49 | |
| 50 | public class DreamBackend { |
| 51 | private static final String TAG = "DreamBackend"; |
| 52 | private static final boolean DEBUG = false; |
| 53 | |
| 54 | public static class DreamInfo { |
| 55 | public CharSequence caption; |
| 56 | public Drawable icon; |
| 57 | public boolean isActive; |
| 58 | public ComponentName componentName; |
| 59 | public ComponentName settingsComponentName; |
| 60 | |
| 61 | @Override |
| 62 | public String toString() { |
| 63 | StringBuilder sb = new StringBuilder(DreamInfo.class.getSimpleName()); |
| 64 | sb.append('[').append(caption); |
| 65 | if (isActive) |
| 66 | sb.append(",active"); |
| 67 | sb.append(',').append(componentName); |
| 68 | if (settingsComponentName != null) |
| 69 | sb.append("settings=").append(settingsComponentName); |
| 70 | return sb.append(']').toString(); |
| 71 | } |
| 72 | } |
| 73 | |
Evan Laird | 7f2539c | 2017-04-26 14:12:34 -0400 | [diff] [blame] | 74 | @Retention(RetentionPolicy.SOURCE) |
| 75 | @IntDef({WHILE_CHARGING, WHILE_DOCKED, EITHER, NEVER}) |
| 76 | public @interface WhenToDream{} |
| 77 | |
| 78 | public static final int WHILE_CHARGING = 0; |
| 79 | public static final int WHILE_DOCKED = 1; |
| 80 | public static final int EITHER = 2; |
| 81 | public static final int NEVER = 3; |
| 82 | |
Tony Mantler | e43853c | 2015-10-09 14:37:32 -0700 | [diff] [blame] | 83 | private final Context mContext; |
| 84 | private final IDreamManager mDreamManager; |
| 85 | private final DreamInfoComparator mComparator; |
| 86 | private final boolean mDreamsEnabledByDefault; |
| 87 | private final boolean mDreamsActivatedOnSleepByDefault; |
| 88 | private final boolean mDreamsActivatedOnDockByDefault; |
| 89 | |
Evan Laird | 7f2539c | 2017-04-26 14:12:34 -0400 | [diff] [blame] | 90 | private static DreamBackend sInstance; |
| 91 | |
| 92 | public static DreamBackend getInstance(Context context) { |
| 93 | if (sInstance == null) { |
| 94 | sInstance = new DreamBackend(context); |
| 95 | } |
| 96 | return sInstance; |
| 97 | } |
| 98 | |
Tony Mantler | e43853c | 2015-10-09 14:37:32 -0700 | [diff] [blame] | 99 | public DreamBackend(Context context) { |
Fan Zhang | 9bad9cb | 2018-06-07 11:36:32 -0700 | [diff] [blame] | 100 | mContext = context.getApplicationContext(); |
Tony Mantler | e43853c | 2015-10-09 14:37:32 -0700 | [diff] [blame] | 101 | mDreamManager = IDreamManager.Stub.asInterface( |
| 102 | ServiceManager.getService(DreamService.DREAM_SERVICE)); |
| 103 | mComparator = new DreamInfoComparator(getDefaultDream()); |
Fan Zhang | 9bad9cb | 2018-06-07 11:36:32 -0700 | [diff] [blame] | 104 | mDreamsEnabledByDefault = mContext.getResources() |
Tony Mantler | e43853c | 2015-10-09 14:37:32 -0700 | [diff] [blame] | 105 | .getBoolean(com.android.internal.R.bool.config_dreamsEnabledByDefault); |
Fan Zhang | 9bad9cb | 2018-06-07 11:36:32 -0700 | [diff] [blame] | 106 | mDreamsActivatedOnSleepByDefault = mContext.getResources() |
Tony Mantler | e43853c | 2015-10-09 14:37:32 -0700 | [diff] [blame] | 107 | .getBoolean(com.android.internal.R.bool.config_dreamsActivatedOnSleepByDefault); |
Fan Zhang | 9bad9cb | 2018-06-07 11:36:32 -0700 | [diff] [blame] | 108 | mDreamsActivatedOnDockByDefault = mContext.getResources() |
Tony Mantler | e43853c | 2015-10-09 14:37:32 -0700 | [diff] [blame] | 109 | .getBoolean(com.android.internal.R.bool.config_dreamsActivatedOnDockByDefault); |
| 110 | } |
| 111 | |
| 112 | public List<DreamInfo> getDreamInfos() { |
| 113 | logd("getDreamInfos()"); |
| 114 | ComponentName activeDream = getActiveDream(); |
| 115 | PackageManager pm = mContext.getPackageManager(); |
| 116 | Intent dreamIntent = new Intent(DreamService.SERVICE_INTERFACE); |
| 117 | List<ResolveInfo> resolveInfos = pm.queryIntentServices(dreamIntent, |
| 118 | PackageManager.GET_META_DATA); |
| 119 | List<DreamInfo> dreamInfos = new ArrayList<>(resolveInfos.size()); |
| 120 | for (ResolveInfo resolveInfo : resolveInfos) { |
| 121 | if (resolveInfo.serviceInfo == null) |
| 122 | continue; |
| 123 | DreamInfo dreamInfo = new DreamInfo(); |
| 124 | dreamInfo.caption = resolveInfo.loadLabel(pm); |
| 125 | dreamInfo.icon = resolveInfo.loadIcon(pm); |
| 126 | dreamInfo.componentName = getDreamComponentName(resolveInfo); |
| 127 | dreamInfo.isActive = dreamInfo.componentName.equals(activeDream); |
| 128 | dreamInfo.settingsComponentName = getSettingsComponentName(pm, resolveInfo); |
| 129 | dreamInfos.add(dreamInfo); |
| 130 | } |
| 131 | Collections.sort(dreamInfos, mComparator); |
| 132 | return dreamInfos; |
| 133 | } |
| 134 | |
| 135 | public ComponentName getDefaultDream() { |
| 136 | if (mDreamManager == null) |
| 137 | return null; |
| 138 | try { |
| 139 | return mDreamManager.getDefaultDreamComponent(); |
| 140 | } catch (RemoteException e) { |
| 141 | Log.w(TAG, "Failed to get default dream", e); |
| 142 | return null; |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | public CharSequence getActiveDreamName() { |
| 147 | ComponentName cn = getActiveDream(); |
| 148 | if (cn != null) { |
| 149 | PackageManager pm = mContext.getPackageManager(); |
| 150 | try { |
| 151 | ServiceInfo ri = pm.getServiceInfo(cn, 0); |
| 152 | if (ri != null) { |
| 153 | return ri.loadLabel(pm); |
| 154 | } |
| 155 | } catch (PackageManager.NameNotFoundException exc) { |
| 156 | return null; // uninstalled? |
| 157 | } |
| 158 | } |
| 159 | return null; |
| 160 | } |
| 161 | |
Evan Laird | 7f2539c | 2017-04-26 14:12:34 -0400 | [diff] [blame] | 162 | public @WhenToDream int getWhenToDreamSetting() { |
| 163 | if (!isEnabled()) { |
| 164 | return NEVER; |
| 165 | } |
| 166 | return isActivatedOnDock() && isActivatedOnSleep() ? EITHER |
| 167 | : isActivatedOnDock() ? WHILE_DOCKED |
| 168 | : isActivatedOnSleep() ? WHILE_CHARGING |
| 169 | : NEVER; |
| 170 | } |
| 171 | |
| 172 | public void setWhenToDream(@WhenToDream int whenToDream) { |
| 173 | setEnabled(whenToDream != NEVER); |
| 174 | |
| 175 | switch (whenToDream) { |
| 176 | case WHILE_CHARGING: |
| 177 | setActivatedOnDock(false); |
| 178 | setActivatedOnSleep(true); |
| 179 | break; |
| 180 | |
| 181 | case WHILE_DOCKED: |
| 182 | setActivatedOnDock(true); |
| 183 | setActivatedOnSleep(false); |
| 184 | break; |
| 185 | |
| 186 | case EITHER: |
| 187 | setActivatedOnDock(true); |
| 188 | setActivatedOnSleep(true); |
| 189 | break; |
| 190 | |
| 191 | case NEVER: |
| 192 | default: |
| 193 | break; |
| 194 | } |
| 195 | |
| 196 | } |
| 197 | |
Tony Mantler | e43853c | 2015-10-09 14:37:32 -0700 | [diff] [blame] | 198 | public boolean isEnabled() { |
| 199 | return getBoolean(Settings.Secure.SCREENSAVER_ENABLED, mDreamsEnabledByDefault); |
| 200 | } |
| 201 | |
| 202 | public void setEnabled(boolean value) { |
| 203 | logd("setEnabled(%s)", value); |
| 204 | setBoolean(Settings.Secure.SCREENSAVER_ENABLED, value); |
| 205 | } |
| 206 | |
| 207 | public boolean isActivatedOnDock() { |
| 208 | return getBoolean(Settings.Secure.SCREENSAVER_ACTIVATE_ON_DOCK, |
| 209 | mDreamsActivatedOnDockByDefault); |
| 210 | } |
| 211 | |
| 212 | public void setActivatedOnDock(boolean value) { |
| 213 | logd("setActivatedOnDock(%s)", value); |
| 214 | setBoolean(Settings.Secure.SCREENSAVER_ACTIVATE_ON_DOCK, value); |
| 215 | } |
| 216 | |
| 217 | public boolean isActivatedOnSleep() { |
| 218 | return getBoolean(Settings.Secure.SCREENSAVER_ACTIVATE_ON_SLEEP, |
| 219 | mDreamsActivatedOnSleepByDefault); |
| 220 | } |
| 221 | |
| 222 | public void setActivatedOnSleep(boolean value) { |
| 223 | logd("setActivatedOnSleep(%s)", value); |
| 224 | setBoolean(Settings.Secure.SCREENSAVER_ACTIVATE_ON_SLEEP, value); |
| 225 | } |
| 226 | |
| 227 | private boolean getBoolean(String key, boolean def) { |
| 228 | return Settings.Secure.getInt(mContext.getContentResolver(), key, def ? 1 : 0) == 1; |
| 229 | } |
| 230 | |
| 231 | private void setBoolean(String key, boolean value) { |
| 232 | Settings.Secure.putInt(mContext.getContentResolver(), key, value ? 1 : 0); |
| 233 | } |
| 234 | |
| 235 | public void setActiveDream(ComponentName dream) { |
| 236 | logd("setActiveDream(%s)", dream); |
| 237 | if (mDreamManager == null) |
| 238 | return; |
| 239 | try { |
| 240 | ComponentName[] dreams = { dream }; |
| 241 | mDreamManager.setDreamComponents(dream == null ? null : dreams); |
| 242 | } catch (RemoteException e) { |
| 243 | Log.w(TAG, "Failed to set active dream to " + dream, e); |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | public ComponentName getActiveDream() { |
| 248 | if (mDreamManager == null) |
| 249 | return null; |
| 250 | try { |
| 251 | ComponentName[] dreams = mDreamManager.getDreamComponents(); |
| 252 | return dreams != null && dreams.length > 0 ? dreams[0] : null; |
| 253 | } catch (RemoteException e) { |
| 254 | Log.w(TAG, "Failed to get active dream", e); |
| 255 | return null; |
| 256 | } |
| 257 | } |
| 258 | |
Fan Zhang | 08d236c | 2018-07-12 13:18:00 -0700 | [diff] [blame] | 259 | public void launchSettings(Context uiContext, DreamInfo dreamInfo) { |
Tony Mantler | e43853c | 2015-10-09 14:37:32 -0700 | [diff] [blame] | 260 | logd("launchSettings(%s)", dreamInfo); |
Fan Zhang | 08d236c | 2018-07-12 13:18:00 -0700 | [diff] [blame] | 261 | if (dreamInfo == null || dreamInfo.settingsComponentName == null) { |
Tony Mantler | e43853c | 2015-10-09 14:37:32 -0700 | [diff] [blame] | 262 | return; |
Fan Zhang | 08d236c | 2018-07-12 13:18:00 -0700 | [diff] [blame] | 263 | } |
| 264 | uiContext.startActivity(new Intent().setComponent(dreamInfo.settingsComponentName)); |
Tony Mantler | e43853c | 2015-10-09 14:37:32 -0700 | [diff] [blame] | 265 | } |
| 266 | |
| 267 | public void preview(DreamInfo dreamInfo) { |
| 268 | logd("preview(%s)", dreamInfo); |
| 269 | if (mDreamManager == null || dreamInfo == null || dreamInfo.componentName == null) |
| 270 | return; |
| 271 | try { |
| 272 | mDreamManager.testDream(dreamInfo.componentName); |
| 273 | } catch (RemoteException e) { |
| 274 | Log.w(TAG, "Failed to preview " + dreamInfo, e); |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | public void startDreaming() { |
| 279 | logd("startDreaming()"); |
| 280 | if (mDreamManager == null) |
| 281 | return; |
| 282 | try { |
| 283 | mDreamManager.dream(); |
| 284 | } catch (RemoteException e) { |
| 285 | Log.w(TAG, "Failed to dream", e); |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | private static ComponentName getDreamComponentName(ResolveInfo resolveInfo) { |
| 290 | if (resolveInfo == null || resolveInfo.serviceInfo == null) |
| 291 | return null; |
| 292 | return new ComponentName(resolveInfo.serviceInfo.packageName, resolveInfo.serviceInfo.name); |
| 293 | } |
| 294 | |
| 295 | private static ComponentName getSettingsComponentName(PackageManager pm, ResolveInfo resolveInfo) { |
| 296 | if (resolveInfo == null |
| 297 | || resolveInfo.serviceInfo == null |
| 298 | || resolveInfo.serviceInfo.metaData == null) |
| 299 | return null; |
| 300 | String cn = null; |
| 301 | XmlResourceParser parser = null; |
| 302 | Exception caughtException = null; |
| 303 | try { |
| 304 | parser = resolveInfo.serviceInfo.loadXmlMetaData(pm, DreamService.DREAM_META_DATA); |
| 305 | if (parser == null) { |
| 306 | Log.w(TAG, "No " + DreamService.DREAM_META_DATA + " meta-data"); |
| 307 | return null; |
| 308 | } |
| 309 | Resources res = pm.getResourcesForApplication(resolveInfo.serviceInfo.applicationInfo); |
| 310 | AttributeSet attrs = Xml.asAttributeSet(parser); |
| 311 | int type; |
| 312 | while ((type=parser.next()) != XmlPullParser.END_DOCUMENT |
| 313 | && type != XmlPullParser.START_TAG) { |
| 314 | } |
| 315 | String nodeName = parser.getName(); |
| 316 | if (!"dream".equals(nodeName)) { |
| 317 | Log.w(TAG, "Meta-data does not start with dream tag"); |
| 318 | return null; |
| 319 | } |
| 320 | TypedArray sa = res.obtainAttributes(attrs, com.android.internal.R.styleable.Dream); |
| 321 | cn = sa.getString(com.android.internal.R.styleable.Dream_settingsActivity); |
| 322 | sa.recycle(); |
| 323 | } catch (PackageManager.NameNotFoundException|IOException|XmlPullParserException e) { |
| 324 | caughtException = e; |
| 325 | } finally { |
| 326 | if (parser != null) parser.close(); |
| 327 | } |
| 328 | if (caughtException != null) { |
| 329 | Log.w(TAG, "Error parsing : " + resolveInfo.serviceInfo.packageName, caughtException); |
| 330 | return null; |
| 331 | } |
| 332 | if (cn != null && cn.indexOf('/') < 0) { |
| 333 | cn = resolveInfo.serviceInfo.packageName + "/" + cn; |
| 334 | } |
| 335 | return cn == null ? null : ComponentName.unflattenFromString(cn); |
| 336 | } |
| 337 | |
| 338 | private static void logd(String msg, Object... args) { |
| 339 | if (DEBUG) |
| 340 | Log.d(TAG, args == null || args.length == 0 ? msg : String.format(msg, args)); |
| 341 | } |
| 342 | |
| 343 | private static class DreamInfoComparator implements Comparator<DreamInfo> { |
| 344 | private final ComponentName mDefaultDream; |
| 345 | |
| 346 | public DreamInfoComparator(ComponentName defaultDream) { |
| 347 | mDefaultDream = defaultDream; |
| 348 | } |
| 349 | |
| 350 | @Override |
| 351 | public int compare(DreamInfo lhs, DreamInfo rhs) { |
| 352 | return sortKey(lhs).compareTo(sortKey(rhs)); |
| 353 | } |
| 354 | |
| 355 | private String sortKey(DreamInfo di) { |
| 356 | StringBuilder sb = new StringBuilder(); |
| 357 | sb.append(di.componentName.equals(mDefaultDream) ? '0' : '1'); |
| 358 | sb.append(di.caption); |
| 359 | return sb.toString(); |
| 360 | } |
| 361 | } |
| 362 | } |