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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.settings.applications;
import android.content.Context;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.PreferenceGroup;
import android.preference.PreferenceScreen;
import android.util.Log;
import android.util.TimeUtils;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import com.android.internal.app.ProcessStats;
import com.android.internal.logging.MetricsLogger;
import com.android.settings.R;
import com.android.settings.SettingsActivity;
import com.android.settings.applications.ProcStatsData.MemInfo;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
public class ProcessStatsUi extends ProcessStatsBase {
static final String TAG = "ProcessStatsUi";
static final boolean DEBUG = false;
private static final String KEY_APP_LIST = "app_list";
private static final int MENU_SHOW_AVG = Menu.FIRST;
private static final int MENU_SHOW_MAX = Menu.FIRST + 1;
private PreferenceGroup mAppListGroup;
private PackageManager mPm;
private boolean mShowMax;
private MenuItem mMenuAvg;
private MenuItem mMenuMax;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
mPm = getActivity().getPackageManager();
addPreferencesFromResource(R.xml.process_stats_ui);
mAppListGroup = (PreferenceGroup) findPreference(KEY_APP_LIST);
setHasOptionsMenu(true);
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
super.onCreateOptionsMenu(menu, inflater);
mMenuAvg = menu.add(0, MENU_SHOW_AVG, 0, R.string.sort_avg_use);
mMenuMax = menu.add(0, MENU_SHOW_MAX, 0, R.string.sort_max_use);
updateMenu();
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case MENU_SHOW_AVG:
case MENU_SHOW_MAX:
mShowMax = !mShowMax;
refreshUi();
updateMenu();
return true;
}
return super.onOptionsItemSelected(item);
}
private void updateMenu() {
mMenuMax.setVisible(!mShowMax);
mMenuAvg.setVisible(mShowMax);
}
@Override
protected int getMetricsCategory() {
return MetricsLogger.APPLICATIONS_PROCESS_STATS_UI;
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
}
@Override
public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
if (!(preference instanceof ProcessStatsPreference)) {
return false;
}
ProcessStatsPreference pgp = (ProcessStatsPreference) preference;
MemInfo memInfo = mStatsManager.getMemInfo();
launchMemoryDetail((SettingsActivity) getActivity(), memInfo, pgp.getEntry());
return super.onPreferenceTreeClick(preferenceScreen, preference);
}
/**
* All states in which we consider a process to be actively running (rather than
* something that can be freely killed to reclaim RAM). Note this also includes
* the HOME state, because we prioritize home over all cached processes even when
* it is in the background, so it is effectively always running from the perspective
* of the information we want to show the user here.
*/
public static final int[] BACKGROUND_AND_SYSTEM_PROC_STATES = new int[] {
ProcessStats.STATE_PERSISTENT, ProcessStats.STATE_IMPORTANT_FOREGROUND,
ProcessStats.STATE_IMPORTANT_BACKGROUND, ProcessStats.STATE_BACKUP,
ProcessStats.STATE_HEAVY_WEIGHT, ProcessStats.STATE_SERVICE,
ProcessStats.STATE_SERVICE_RESTARTING, ProcessStats.STATE_RECEIVER,
ProcessStats.STATE_HOME
};
public static final int[] FOREGROUND_PROC_STATES = new int[] {
ProcessStats.STATE_TOP
};
public static final int[] CACHED_PROC_STATES = new int[] {
ProcessStats.STATE_CACHED_ACTIVITY, ProcessStats.STATE_CACHED_ACTIVITY_CLIENT,
ProcessStats.STATE_CACHED_EMPTY
};
public static String makeDuration(long time) {
StringBuilder sb = new StringBuilder(32);
TimeUtils.formatDuration(time, sb);
return sb.toString();
}
@Override
public void refreshUi() {
mAppListGroup.removeAll();
mAppListGroup.setOrderingAsAdded(false);
mAppListGroup.setTitle(mShowMax ? R.string.maximum_memory_use
: R.string.average_memory_use);
final Context context = getActivity();
MemInfo memInfo = mStatsManager.getMemInfo();
List<ProcStatsPackageEntry> pkgEntries = mStatsManager.getEntries();
// Update everything and get the absolute maximum of memory usage for scaling.
for (int i=0, N=pkgEntries.size(); i<N; i++) {
ProcStatsPackageEntry pkg = pkgEntries.get(i);
pkg.updateMetrics();
}
Collections.sort(pkgEntries, mShowMax ? sMaxPackageEntryCompare : sPackageEntryCompare);
// Now collect the per-process information into applications, so that applications
// running as multiple processes will have only one entry representing all of them.
if (DEBUG) Log.d(TAG, "-------------------- BUILDING UI");
double maxMemory = mShowMax ? memInfo.realTotalRam
: memInfo.usedWeight * memInfo.weightToRam;
for (int i = 0; i < pkgEntries.size(); i++) {
ProcStatsPackageEntry pkg = pkgEntries.get(i);
ProcessStatsPreference pref = new ProcessStatsPreference(context);
pkg.retrieveUiData(context, mPm);
pref.init(pkg, mPm, maxMemory, memInfo.weightToRam,
memInfo.totalScale, !mShowMax);
pref.setOrder(i);
mAppListGroup.addPreference(pref);
}
}
final static Comparator<ProcStatsPackageEntry> sPackageEntryCompare
= new Comparator<ProcStatsPackageEntry>() {
@Override
public int compare(ProcStatsPackageEntry lhs, ProcStatsPackageEntry rhs) {
double rhsWeight = Math.max(rhs.mRunWeight, rhs.mBgWeight);
double lhsWeight = Math.max(lhs.mRunWeight, lhs.mBgWeight);
if (lhsWeight == rhsWeight) {
return 0;
}
return lhsWeight < rhsWeight ? 1 : -1;
}
};
final static Comparator<ProcStatsPackageEntry> sMaxPackageEntryCompare
= new Comparator<ProcStatsPackageEntry>() {
@Override
public int compare(ProcStatsPackageEntry lhs, ProcStatsPackageEntry rhs) {
double rhsMax = Math.max(rhs.mMaxBgMem, rhs.mMaxRunMem);
double lhsMax = Math.max(lhs.mMaxBgMem, lhs.mMaxRunMem);
if (lhsMax == rhsMax) {
return 0;
}
return lhsMax < rhsMax ? 1 : -1;
}
};
}
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