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/*
* Copyright (C) 2010, T-Mobile USA, Inc.
*
* 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.server;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ThemeUtils;
import android.content.res.ThemeConfig;
import android.content.res.ThemeManager;
import android.os.SystemClock;
import android.provider.ThemesContract;
import java.util.ArrayList;
import java.util.List;
public class AppsLaunchFailureReceiver extends BroadcastReceiver {
private static final int FAILURES_THRESHOLD = 3;
private static final int EXPIRATION_TIME_IN_MILLISECONDS = 30000; // 30 seconds
private int mFailuresCount = 0;
private long mStartTime = 0;
// This function implements the following logic.
// If after a theme was applied the number of application launch failures
// at any moment was equal to FAILURES_THRESHOLD
// in less than EXPIRATION_TIME_IN_MILLISECONDS
// the default theme is applied unconditionally.
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (action.equals(Intent.ACTION_APP_LAUNCH_FAILURE)) {
long currentTime = SystemClock.uptimeMillis();
if (currentTime - mStartTime > EXPIRATION_TIME_IN_MILLISECONDS) {
// reset both the count and the timer
mStartTime = currentTime;
mFailuresCount = 0;
}
if (mFailuresCount <= FAILURES_THRESHOLD) {
mFailuresCount++;
if (mFailuresCount == FAILURES_THRESHOLD) {
// let the theme manager take care of getting us back on the default theme
ThemeManager tm =
(ThemeManager) context.getSystemService(Context.THEME_SERVICE);
List<String> components = new ArrayList<String>();
components.add(ThemesContract.ThemesColumns.MODIFIES_FONTS);
components.add(ThemesContract.ThemesColumns.MODIFIES_LAUNCHER);
components.add(ThemesContract.ThemesColumns.MODIFIES_ALARMS);
components.add(ThemesContract.ThemesColumns.MODIFIES_BOOT_ANIM);
components.add(ThemesContract.ThemesColumns.MODIFIES_ICONS);
components.add(ThemesContract.ThemesColumns.MODIFIES_LOCKSCREEN);
components.add(ThemesContract.ThemesColumns.MODIFIES_NOTIFICATIONS);
components.add(ThemesContract.ThemesColumns.MODIFIES_OVERLAYS);
components.add(ThemesContract.ThemesColumns.MODIFIES_RINGTONES);
components.add(ThemesContract.ThemesColumns.MODIFIES_STATUS_BAR);
components.add(ThemesContract.ThemesColumns.MODIFIES_NAVIGATION_BAR);
tm.requestThemeChange(ThemeConfig.SYSTEM_DEFAULT, components);
}
}
} else if (action.equals(Intent.ACTION_APP_LAUNCH_FAILURE_RESET)
|| action.equals(ThemeUtils.ACTION_THEME_CHANGED)) {
mFailuresCount = 0;
mStartTime = SystemClock.uptimeMillis();
} else if (action.equals(Intent.ACTION_PACKAGE_ADDED) ||
action.equals(Intent.ACTION_PACKAGE_REMOVED)) {
mFailuresCount = 0;
mStartTime = SystemClock.uptimeMillis();
}
}
}
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