/* * Copyright (C) 2014 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.inputmethod.latin; import android.content.BroadcastReceiver; import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.content.pm.PackageManager; import android.os.Process; import android.util.Log; import android.view.inputmethod.InputMethodManager; import android.view.inputmethod.InputMethodSubtype; import com.android.inputmethod.keyboard.KeyboardLayoutSet; import com.android.inputmethod.latin.setup.SetupActivity; import com.android.inputmethod.latin.utils.UncachedInputMethodManagerUtils; /** * This class detects the {@link Intent#ACTION_MY_PACKAGE_REPLACED} broadcast intent when this IME * package has been replaced by a newer version of the same package. This class also detects * {@link Intent#ACTION_BOOT_COMPLETED} and {@link Intent#ACTION_USER_INITIALIZE} broadcast intent. * * When the system locale has been changed, {@link Intent#ACTION_LOCALE_CHANGED} is received by * this receiver and the {@link KeyboardLayoutSet}'s cache is cleared. */ public final class SystemBroadcastReceiver extends BroadcastReceiver { private static final String TAG = SystemBroadcastReceiver.class.getSimpleName(); @Override public void onReceive(final Context context, final Intent intent) { final String intentAction = intent.getAction(); if (Intent.ACTION_MY_PACKAGE_REPLACED.equals(intentAction)) { Log.i(TAG, "Package has been replaced: " + context.getPackageName()); // Need to restore additional subtypes because system always clears additional // subtypes when the package is replaced. RichInputMethodManager.init(context); final RichInputMethodManager richImm = RichInputMethodManager.getInstance(); final InputMethodSubtype[] additionalSubtypes = richImm.getAdditionalSubtypes(); richImm.setAdditionalInputMethodSubtypes(additionalSubtypes); showAppIcon(context); } else if (Intent.ACTION_BOOT_COMPLETED.equals(intentAction)) { Log.i(TAG, "Boot has been completed"); showAppIcon(context); } else if (Intent.ACTION_LOCALE_CHANGED.equals(intentAction)) { Log.i(TAG, "System locale changed"); KeyboardLayoutSet.onSystemLocaleChanged(); } // The process that hosts this broadcast receiver is invoked and remains alive even after // 1) the package has been re-installed, 2) the device has just booted, // 3) a new user has been created. // There is no good reason to keep the process alive if this IME isn't a current IME. final InputMethodManager imm = (InputMethodManager)context.getSystemService(Context.INPUT_METHOD_SERVICE); // Called to check whether this IME has been triggered by the current user or not final boolean isInputMethodManagerValidForUserOfThisProcess = !imm.getInputMethodList().isEmpty(); final boolean isCurrentImeOfCurrentUser = isInputMethodManagerValidForUserOfThisProcess && UncachedInputMethodManagerUtils.isThisImeCurrent(context, imm); if (!isCurrentImeOfCurrentUser) { final int myPid = Process.myPid(); Log.i(TAG, "Killing my process: pid=" + myPid); Process.killProcess(myPid); } } private static void showAppIcon(final Context context) { final ComponentName setupWizardActivity = new ComponentName(context, SetupActivity.class); final PackageManager pm = context.getPackageManager(); pm.setComponentEnabledSetting( setupWizardActivity, PackageManager.COMPONENT_ENABLED_STATE_ENABLED, PackageManager.DONT_KILL_APP); } }