1 /* 2 * Copyright (C) 2013 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.inputmethod.latin.setup; 18 19 import android.content.BroadcastReceiver; 20 import android.content.ComponentName; 21 import android.content.Context; 22 import android.content.Intent; 23 import android.content.SharedPreferences; 24 import android.content.pm.PackageManager; 25 import android.os.Process; 26 import android.preference.PreferenceManager; 27 import android.util.Log; 28 29 import com.android.inputmethod.compat.IntentCompatUtils; 30 import com.android.inputmethod.latin.RichInputMethodManager; 31 import com.android.inputmethod.latin.Settings; 32 33 /** 34 * This class detects the {@link Intent#ACTION_MY_PACKAGE_REPLACED} broadcast intent when this IME 35 * package has been replaced by a newer version of the same package. This class also detects 36 * {@link Intent#ACTION_BOOT_COMPLETED} and {@link Intent#ACTION_USER_INITIALIZE} broadcast intent. 37 * 38 * If this IME has already been installed in the system image and a new version of this IME has 39 * been installed, {@link Intent#ACTION_MY_PACKAGE_REPLACED} is received by this receiver and it 40 * will hide the setup wizard's icon. 41 * 42 * If this IME has already been installed in the data partition and a new version of this IME has 43 * been installed, {@link Intent#ACTION_MY_PACKAGE_REPLACED} is received by this receiver but it 44 * will not hide the setup wizard's icon, and the icon will appear on the launcher. 45 * 46 * If this IME hasn't been installed yet and has been newly installed, no 47 * {@link Intent#ACTION_MY_PACKAGE_REPLACED} will be sent and the setup wizard's icon will appear 48 * on the launcher. 49 * 50 * When the device has been booted, {@link Intent#ACTION_BOOT_COMPLETED} is received by this 51 * receiver and it checks whether the setup wizard's icon should be appeared or not on the launcher 52 * depending on which partition this IME is installed. 53 * 54 * When a multiuser account has been created, {@link Intent#ACTION_USER_INITIALIZE} is received 55 * by this receiver and it checks the whether the setup wizard's icon should be appeared or not on 56 * the launcher depending on which partition this IME is installed. 57 */ 58 public final class LauncherIconVisibilityManager extends BroadcastReceiver { 59 private static final String TAG = LauncherIconVisibilityManager.class.getSimpleName(); 60 61 @Override 62 public void onReceive(final Context context, final Intent intent) { 63 if (shouldHandleThisIntent(intent, context)) { 64 updateSetupWizardIconVisibility(context); 65 } 66 67 // The process that hosts this broadcast receiver is invoked and remains alive even after 68 // 1) the package has been re-installed, 2) the device has been booted, 69 // 3) a multiuser has been created. 70 // There is no good reason to keep the process alive if this IME isn't a current IME. 71 final boolean isCurrentImeOfCurrentUser; 72 if (RichInputMethodManager.isInputMethodManagerValidForUserOfThisProcess(context)) { 73 RichInputMethodManager.init(context); 74 isCurrentImeOfCurrentUser = SetupActivity.isThisImeCurrent(context); 75 } else { 76 isCurrentImeOfCurrentUser = false; 77 } 78 79 if (!isCurrentImeOfCurrentUser) { 80 final int myPid = Process.myPid(); 81 Log.i(TAG, "Killing my process: pid=" + myPid); 82 Process.killProcess(myPid); 83 } 84 } 85 86 private static boolean shouldHandleThisIntent(final Intent intent, final Context context) { 87 final String action = intent.getAction(); 88 if (Intent.ACTION_MY_PACKAGE_REPLACED.equals(action)) { 89 Log.i(TAG, "Package has been replaced: " + context.getPackageName()); 90 return true; 91 } else if (Intent.ACTION_BOOT_COMPLETED.equals(action)) { 92 Log.i(TAG, "Boot has been completed"); 93 return true; 94 } else if (IntentCompatUtils.has_ACTION_USER_INITIALIZE(intent)) { 95 Log.i(TAG, "User initialize"); 96 return true; 97 } 98 return false; 99 } 100 101 public static void updateSetupWizardIconVisibility(final Context context) { 102 final ComponentName setupWizardActivity = new ComponentName(context, SetupActivity.class); 103 final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context); 104 final boolean stateHasSet; 105 if (Settings.readShowSetupWizardIcon(prefs, context)) { 106 stateHasSet = setActivityState(context, setupWizardActivity, 107 PackageManager.COMPONENT_ENABLED_STATE_ENABLED); 108 Log.i(TAG, (stateHasSet ? "Enable activity: " : "Activity has already been enabled: ") 109 + setupWizardActivity); 110 } else { 111 stateHasSet = setActivityState(context, setupWizardActivity, 112 PackageManager.COMPONENT_ENABLED_STATE_DISABLED); 113 Log.i(TAG, (stateHasSet ? "Disable activity: " : "Activity has already been disabled: ") 114 + setupWizardActivity); 115 } 116 } 117 118 private static boolean setActivityState(final Context context, 119 final ComponentName activityComponent, final int activityState) { 120 final PackageManager pm = context.getPackageManager(); 121 final int activityComponentState = pm.getComponentEnabledSetting(activityComponent); 122 if (activityComponentState == activityState) { 123 return false; 124 } 125 pm.setComponentEnabledSetting( 126 activityComponent, activityState, PackageManager.DONT_KILL_APP); 127 return true; 128 } 129 } 130