Sunny Goyal | 18bf8e2 | 2015-04-08 18:13:46 -0700 | [diff] [blame^] | 1 | package com.android.launcher3.util; |
| 2 | |
| 3 | import android.content.Context; |
| 4 | import android.content.SharedPreferences; |
| 5 | import android.content.pm.PackageInfo; |
| 6 | import android.content.pm.PackageManager; |
| 7 | import android.content.pm.PackageManager.NameNotFoundException; |
| 8 | import android.util.Log; |
| 9 | |
| 10 | import com.android.launcher3.FolderInfo; |
| 11 | import com.android.launcher3.ItemInfo; |
| 12 | import com.android.launcher3.LauncherAppState; |
| 13 | import com.android.launcher3.LauncherFiles; |
| 14 | import com.android.launcher3.LauncherModel; |
| 15 | import com.android.launcher3.MainThreadExecutor; |
| 16 | import com.android.launcher3.R; |
| 17 | import com.android.launcher3.ShortcutInfo; |
| 18 | import com.android.launcher3.Utilities; |
| 19 | import com.android.launcher3.compat.LauncherActivityInfoCompat; |
| 20 | import com.android.launcher3.compat.LauncherAppsCompat; |
| 21 | import com.android.launcher3.compat.UserHandleCompat; |
| 22 | import com.android.launcher3.compat.UserManagerCompat; |
| 23 | |
| 24 | import java.util.ArrayList; |
| 25 | import java.util.Collections; |
| 26 | import java.util.HashSet; |
| 27 | import java.util.List; |
| 28 | |
| 29 | /** |
| 30 | * Handles addition of app shortcuts for managed profiles. |
| 31 | * Methods of class should only be called on {@link LauncherModel#sWorkerThread}. |
| 32 | */ |
| 33 | public class ManagedProfileHeuristic { |
| 34 | |
| 35 | private static final String TAG = "ManagedProfileHeuristic"; |
| 36 | |
| 37 | /** |
| 38 | * Maintain a set of packages installed per user. |
| 39 | */ |
| 40 | private static final String INSTALLED_PACKAGES_PREFIX = "installed_packages_for_user_"; |
| 41 | |
| 42 | private static final String USER_FOLDER_ID_PREFIX = "user_folder_"; |
| 43 | |
| 44 | /** |
| 45 | * Duration (in milliseconds) for which app shortcuts will be added to work folder. |
| 46 | */ |
| 47 | private static final long AUTO_ADD_TO_FOLDER_DURATION = 8 * 60 * 60 * 1000; |
| 48 | |
| 49 | public static ManagedProfileHeuristic get(Context context, UserHandleCompat user) { |
| 50 | if (Utilities.isLmpOrAbove() && !UserHandleCompat.myUserHandle().equals(user)) { |
| 51 | return new ManagedProfileHeuristic(context, user); |
| 52 | } |
| 53 | return null; |
| 54 | } |
| 55 | |
| 56 | private final Context mContext; |
| 57 | private final UserHandleCompat mUser; |
| 58 | private final LauncherModel mModel; |
| 59 | |
| 60 | private final SharedPreferences mPrefs; |
| 61 | private final long mUserSerial; |
| 62 | private final long mUserCreationTime; |
| 63 | private final String mPackageSetKey; |
| 64 | |
| 65 | private ArrayList<ItemInfo> mHomescreenApps; |
| 66 | private ArrayList<ItemInfo> mWorkFolderApps; |
| 67 | |
| 68 | private ManagedProfileHeuristic(Context context, UserHandleCompat user) { |
| 69 | mContext = context; |
| 70 | mUser = user; |
| 71 | mModel = LauncherAppState.getInstance().getModel(); |
| 72 | |
| 73 | UserManagerCompat userManager = UserManagerCompat.getInstance(context); |
| 74 | mUserSerial = userManager.getSerialNumberForUser(user); |
| 75 | mUserCreationTime = userManager.getUserCreationTime(user); |
| 76 | mPackageSetKey = INSTALLED_PACKAGES_PREFIX + mUserSerial; |
| 77 | |
| 78 | mPrefs = mContext.getSharedPreferences(LauncherFiles.MANAGED_USER_PREFERENCES_KEY, |
| 79 | Context.MODE_PRIVATE); |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Checks the list of user apps and adds icons for newly installed apps on the homescreen or |
| 84 | * workfolder. |
| 85 | */ |
| 86 | public void processUserApps(List<LauncherActivityInfoCompat> apps) { |
| 87 | mHomescreenApps = new ArrayList<ItemInfo>(); |
| 88 | mWorkFolderApps = new ArrayList<ItemInfo>(); |
| 89 | HashSet<String> packageSet = getPackageSet(); |
| 90 | boolean newPackageAdded = false; |
| 91 | |
| 92 | for (LauncherActivityInfoCompat info : apps) { |
| 93 | String packageName = info.getComponentName().getPackageName(); |
| 94 | if (!packageSet.contains(packageName)) { |
| 95 | packageSet.add(packageName); |
| 96 | newPackageAdded = true; |
| 97 | |
| 98 | try { |
| 99 | PackageInfo pkgInfo = mContext.getPackageManager() |
| 100 | .getPackageInfo(packageName, PackageManager.GET_UNINSTALLED_PACKAGES); |
| 101 | markForAddition(info, pkgInfo.firstInstallTime); |
| 102 | } catch (NameNotFoundException e) { |
| 103 | Log.e(TAG, "Unknown package " + packageName, e); |
| 104 | } |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | if (newPackageAdded) { |
| 109 | mPrefs.edit().putStringSet(mPackageSetKey, packageSet).apply(); |
| 110 | finalizeAdditions(); |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | private void markForAddition(LauncherActivityInfoCompat info, long installTime) { |
| 115 | ArrayList<ItemInfo> targetList = |
| 116 | (installTime <= mUserCreationTime + AUTO_ADD_TO_FOLDER_DURATION) ? |
| 117 | mWorkFolderApps : mHomescreenApps; |
| 118 | targetList.add(ShortcutInfo.fromActivityInfo(info, mContext)); |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Adds and binds shortcuts marked to be added to the work folder. |
| 123 | */ |
| 124 | private void finalizeWorkFolder() { |
| 125 | if (mWorkFolderApps.isEmpty()) { |
| 126 | return; |
| 127 | } |
| 128 | |
| 129 | // Try to get a work folder. |
| 130 | String folderIdKey = USER_FOLDER_ID_PREFIX + mUserSerial; |
| 131 | if (mPrefs.contains(folderIdKey)) { |
| 132 | long folderId = mPrefs.getLong(folderIdKey, 0); |
| 133 | final FolderInfo workFolder = mModel.findFolderById(folderId); |
| 134 | |
| 135 | if (workFolder == null || !workFolder.hasOption(FolderInfo.FLAG_WORK_FOLDER)) { |
| 136 | // Could not get a work folder. Add all the icons to homescreen. |
| 137 | mHomescreenApps.addAll(mWorkFolderApps); |
| 138 | return; |
| 139 | } |
| 140 | saveWorkFolderShortcuts(folderId, workFolder.contents.size()); |
| 141 | |
| 142 | final ArrayList<ItemInfo> shortcuts = mWorkFolderApps; |
| 143 | // FolderInfo could already be bound. We need to add shortcuts on the UI thread. |
| 144 | new MainThreadExecutor().execute(new Runnable() { |
| 145 | |
| 146 | @Override |
| 147 | public void run() { |
| 148 | for (ItemInfo info : shortcuts) { |
| 149 | workFolder.add((ShortcutInfo) info); |
| 150 | } |
| 151 | } |
| 152 | }); |
| 153 | } else { |
| 154 | // Create a new folder. |
| 155 | final FolderInfo workFolder = new FolderInfo(); |
| 156 | workFolder.title = mContext.getText(R.string.work_folder_name); |
| 157 | workFolder.setOption(FolderInfo.FLAG_WORK_FOLDER, true, null); |
| 158 | |
| 159 | // Add all shortcuts before adding it to the UI, as an empty folder might get deleted. |
| 160 | for (ItemInfo info : mWorkFolderApps) { |
| 161 | workFolder.add((ShortcutInfo) info); |
| 162 | } |
| 163 | |
| 164 | // Add the item to home screen and DB. This also generates an item id synchronously. |
| 165 | ArrayList<ItemInfo> itemList = new ArrayList<ItemInfo>(1); |
| 166 | itemList.add(workFolder); |
| 167 | mModel.addAndBindAddedWorkspaceItems(mContext, itemList); |
| 168 | mPrefs.edit().putLong(USER_FOLDER_ID_PREFIX + mUserSerial, workFolder.id).apply(); |
| 169 | |
| 170 | saveWorkFolderShortcuts(workFolder.id, 0); |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | /** |
| 175 | * Add work folder shortcuts to the DB. |
| 176 | */ |
| 177 | private void saveWorkFolderShortcuts(long workFolderId, int startingRank) { |
| 178 | for (ItemInfo info : mWorkFolderApps) { |
| 179 | info.rank = startingRank++; |
| 180 | LauncherModel.addItemToDatabase(mContext, info, workFolderId, 0, 0, 0); |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | /** |
| 185 | * Adds and binds all shortcuts marked for addition. |
| 186 | */ |
| 187 | private void finalizeAdditions() { |
| 188 | finalizeWorkFolder(); |
| 189 | |
| 190 | if (!mHomescreenApps.isEmpty()) { |
| 191 | mModel.addAndBindAddedWorkspaceItems(mContext, mHomescreenApps); |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Updates the list of installed apps and adds any new icons on homescreen or work folder. |
| 197 | */ |
| 198 | public void processPackageAdd(String[] packages) { |
| 199 | mHomescreenApps = new ArrayList<ItemInfo>(); |
| 200 | mWorkFolderApps = new ArrayList<ItemInfo>(); |
| 201 | HashSet<String> packageSet = getPackageSet(); |
| 202 | boolean newPackageAdded = false; |
| 203 | long installTime = System.currentTimeMillis(); |
| 204 | LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(mContext); |
| 205 | |
| 206 | for (String packageName : packages) { |
| 207 | if (!packageSet.contains(packageName)) { |
| 208 | packageSet.add(packageName); |
| 209 | newPackageAdded = true; |
| 210 | |
| 211 | List<LauncherActivityInfoCompat> activities = |
| 212 | launcherApps.getActivityList(packageName, mUser); |
| 213 | if (!activities.isEmpty()) { |
| 214 | markForAddition(activities.get(0), installTime); |
| 215 | } |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | if (newPackageAdded) { |
| 220 | mPrefs.edit().putStringSet(mPackageSetKey, packageSet).apply(); |
| 221 | finalizeAdditions(); |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | /** |
| 226 | * Updates the list of installed packages for the user. |
| 227 | */ |
| 228 | public void processPackageRemoved(String[] packages) { |
| 229 | HashSet<String> packageSet = getPackageSet(); |
| 230 | boolean packageRemoved = false; |
| 231 | |
| 232 | for (String packageName : packages) { |
| 233 | if (packageSet.remove(packageName)) { |
| 234 | packageRemoved = true; |
| 235 | } |
| 236 | } |
| 237 | |
| 238 | if (packageRemoved) { |
| 239 | mPrefs.edit().putStringSet(mPackageSetKey, packageSet).apply(); |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | @SuppressWarnings("unchecked") |
| 244 | private HashSet<String> getPackageSet() { |
| 245 | return new HashSet<String>(mPrefs.getStringSet(mPackageSetKey, Collections.EMPTY_SET)); |
| 246 | } |
| 247 | |
| 248 | /** |
| 249 | * Verifies that entries corresponding to {@param users} exist and removes all invalid entries. |
| 250 | */ |
| 251 | public static void processAllUsers(List<UserHandleCompat> users, Context context) { |
| 252 | if (!Utilities.isLmpOrAbove()) { |
| 253 | return; |
| 254 | } |
| 255 | UserManagerCompat userManager = UserManagerCompat.getInstance(context); |
| 256 | HashSet<String> validKeys = new HashSet<String>(); |
| 257 | for (UserHandleCompat user : users) { |
| 258 | addAllUserKeys(userManager.getSerialNumberForUser(user), validKeys); |
| 259 | } |
| 260 | |
| 261 | SharedPreferences prefs = context.getSharedPreferences( |
| 262 | LauncherFiles.MANAGED_USER_PREFERENCES_KEY, |
| 263 | Context.MODE_PRIVATE); |
| 264 | SharedPreferences.Editor editor = prefs.edit(); |
| 265 | for (String key : prefs.getAll().keySet()) { |
| 266 | if (!validKeys.contains(key)) { |
| 267 | editor.remove(key); |
| 268 | } |
| 269 | } |
| 270 | editor.apply(); |
| 271 | } |
| 272 | |
| 273 | private static void addAllUserKeys(long userSerial, HashSet<String> keysOut) { |
| 274 | keysOut.add(INSTALLED_PACKAGES_PREFIX + userSerial); |
| 275 | keysOut.add(USER_FOLDER_ID_PREFIX + userSerial); |
| 276 | } |
| 277 | } |