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/*
* Copyright (C) 2013 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.setup;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.os.Process;
import android.util.Log;
import com.android.inputmethod.compat.IntentCompatUtils;
import com.android.inputmethod.latin.RichInputMethodManager;
/**
* 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* package has been replaced by a newer version of the same package.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.
*
* If this IME has already been installed in the system image and a new version of this IME has
* been installed, {@link Intent#ACTION_MY_PACKAGE_REPLACED} is received by this receiver and it
* will hide the setup wizard's icon.
*
* If this IME has already been installed in the data partition and a new version of this IME has
* been installed, {@link Intent#ACTION_MY_PACKAGE_REPLACED} is received by this receiver but it
* will not hide the setup wizard's icon, and the icon will appear on the launcher.
*
* If this IME hasn't been installed yet and has been newly installed, no
* {@link Intent#ACTION_MY_PACKAGE_REPLACED} will be sent and the setup wizard's icon will appear
* on the launcher.
*
* When the device has been booted, {@link Intent#ACTION_BOOT_COMPLETED} is received by this
* receiver and it checks whether the setup wizard's icon should be appeared or not on the launcher
* depending on which partition this IME is installed.
*
* When a multiuser account has been created, {@link Intent#ACTION_USER_INITIALIZE} is received
* by this receiver and it checks the whether the setup wizard's icon should be appeared or not on
* the launcher depending on which partition this IME is installed.
*/
public final class LauncherIconVisibilityManager extends BroadcastReceiver {
private static final String TAG = LauncherIconVisibilityManager.class.getSimpleName();
@Override
public void onReceive(final Context context, final Intent intent) {
if (shouldHandleThisIntent(intent, context)) {
if (isInSystemImage(context)) {
disableActivity(context, SetupActivity.class);
} else {
Log.i(TAG, "This package isn't in system image: " + context.getPackageName());
}
}
// 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 been booted,
// 3) a multiuser has been created.
// There is no good reason to keep the process alive if this IME isn't a current IME.
RichInputMethodManager.init(context);
if (!SetupActivity.isThisImeCurrent(context)) {
final int myPid = Process.myPid();
Log.i(TAG, "Killing my process: pid=" + myPid);
Process.killProcess(myPid);
}
}
private static boolean shouldHandleThisIntent(final Intent intent, final Context context) {
final String action = intent.getAction();
if (Intent.ACTION_MY_PACKAGE_REPLACED.equals(action)) {
Log.i(TAG, "Package has been replaced: " + context.getPackageName());
return true;
} else if (Intent.ACTION_BOOT_COMPLETED.equals(action)) {
Log.i(TAG, "Boot has been completed");
return true;
} else if (IntentCompatUtils.has_ACTION_USER_INITIALIZE(intent)) {
Log.i(TAG, "User initialize");
return true;
}
return false;
}
/**
* Disable an activity of the specified package. Disabling an activity will also hide its
* icon from the launcher.
*
* @param context package context of an activity to be disabled
* @param activityClass activity class to be disabled
*/
private static void disableActivity(final Context context,
final Class<? extends Activity> activityClass) {
final ComponentName activityComponent = new ComponentName(context, activityClass);
final PackageManager pm = context.getPackageManager();
final int activityComponentState = pm.getComponentEnabledSetting(activityComponent);
if (activityComponentState == PackageManager.COMPONENT_ENABLED_STATE_DISABLED) {
// This activity is already disabled.
Log.i(TAG, "Activity has already been disabled: " + activityComponent);
return;
}
// Disabling an activity will also hide its icon from the launcher.
pm.setComponentEnabledSetting(activityComponent,
PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
PackageManager.DONT_KILL_APP);
Log.i(TAG, "Disable activity: " + activityComponent);
}
private static boolean isInSystemImage(final Context context) {
final ApplicationInfo appInfo = context.getApplicationInfo();
return (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
}
}
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