package com.android.settings.applications;
import android.app.Application;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.ApplicationInfo;
import android.content.pm.IPackageStatsObserver;
import android.content.pm.PackageManager;
import android.content.pm.PackageStats;
import android.content.pm.PackageManager.NameNotFoundException;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Looper;
import android.os.Message;
import android.os.Process;
import android.os.SystemClock;
import android.text.format.Formatter;
import android.util.Log;
import java.io.File;
import java.text.Collator;
import java.text.Normalizer;
import java.text.Normalizer.Form;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.regex.Pattern;
/**
* Keeps track of information about all installed applications, lazy-loading
* as needed.
*/
public class ApplicationsState {
static final String TAG = "ApplicationsState";
static final boolean DEBUG = false;
static final boolean DEBUG_LOCKING = false;
public static interface Callbacks {
public void onRunningStateChanged(boolean running);
public void onPackageListChanged();
public void onRebuildComplete(ArrayList<AppEntry> apps);
public void onPackageIconChanged();
public void onPackageSizeChanged(String packageName);
public void onAllSizesComputed();
}
public static interface AppFilter {
public void init();
public boolean filterApp(ApplicationInfo info);
}
static final int SIZE_UNKNOWN = -1;
static final int SIZE_INVALID = -2;
static final Pattern REMOVE_DIACRITICALS_PATTERN
= Pattern.compile("\\p{InCombiningDiacriticalMarks}+");
public static String normalize(String str) {
String tmp = Normalizer.normalize(str, Form.NFD);
return REMOVE_DIACRITICALS_PATTERN.matcher(tmp)
.replaceAll("").toLowerCase();
}
public static class SizeInfo {
long cacheSize;
long codeSize;
long dataSize;
long externalCodeSize;
long externalDataSize;
}
public static class AppEntry extends SizeInfo {
final File apkFile;
final long id;
String label;
long size;
long internalSize;
long externalSize;
boolean mounted;
String getNormalizedLabel() {
if (normalizedLabel != null) {
return normalizedLabel;
}
normalizedLabel = normalize(label);
return normalizedLabel;
}
// Need to synchronize on 'this' for the following.
ApplicationInfo info;
Drawable icon;
String sizeStr;
String internalSizeStr;
String externalSizeStr;
boolean sizeStale;
long sizeLoadStart;
String normalizedLabel;
AppEntry(Context context, ApplicationInfo info, long id) {
apkFile = new File(info.sourceDir);
this.id = id;
this.info = info;
this.size = SIZE_UNKNOWN;
this.sizeStale = true;
ensureLabel(context);
}
void ensureLabel(Context context) {
if (this.label == null || !this.mounted) {
if (!this.apkFile.exists()) {
this.mounted = false;
this.label = info.packageName;
} else {
this.mounted = true;
CharSequence label = info.loadLabel(context.getPackageManager());
this.label = label != null ? label.toString() : info.packageName;
}
}
}
boolean ensureIconLocked(Context context, PackageManager pm) {
if (this.icon == null) {
if (this.apkFile.exists()) {
this.icon = this.info.loadIcon(pm);
return true;
} else {
this.mounted = false;
this.icon = context.getResources().getDrawable(
com.android.internal.R.drawable.sym_app_on_sd_unavailable_icon);
}
} else if (!this.mounted) {
// If the app wasn't mounted but is now mounted, reload
// its icon.
if (this.apkFile.exists()) {
this.mounted = true;
this.icon = this.info.loadIcon(pm);
return true;
}
}
return false;
}
}
public static final Comparator<AppEntry> ALPHA_COMPARATOR = new Comparator<AppEntry>() {
private final Collator sCollator = Collator.getInstance();
@Override
public int compare(AppEntry object1, AppEntry object2) {
if (object1.info.enabled != object2.info.enabled) {
return object1.info.enabled ? -1 : 1;
}
return sCollator.compare(object1.label, object2.label);
}
};
public static final Comparator<AppEntry> SIZE_COMPARATOR
= new Comparator<AppEntry>() {
private final Collator sCollator = Collator.getInstance();
@Override
public int compare(AppEntry object1, AppEntry object2) {
if (object1.size < object2.size) return 1;
if (object1.size > object2.size) return -1;
return sCollator.compare(object1.label, object2.label);
}
};
public static final Comparator<AppEntry> INTERNAL_SIZE_COMPARATOR
= new Comparator<AppEntry>() {
private final Collator sCollator = Collator.getInstance();
@Override
public int compare(AppEntry object1, AppEntry object2) {
if (object1.internalSize < object2.internalSize) return 1;
if (object1.internalSize > object2.internalSize) return -1;
return sCollator.compare(object1.label, object2.label);
}
};
public static final Comparator<AppEntry> EXTERNAL_SIZE_COMPARATOR
= new Comparator<AppEntry>() {
private final Collator sCollator = Collator.getInstance();
@Override
public int compare(AppEntry object1, AppEntry object2) {
if (object1.externalSize < object2.externalSize) return 1;
if (object1.externalSize > object2.externalSize) return -1;
return sCollator.compare(object1.label, object2.label);
}
};
public static final AppFilter THIRD_PARTY_FILTER = new AppFilter() {
public void init() {
}
@Override
public boolean filterApp(ApplicationInfo info) {
if ((info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0) {
return true;
} else if ((info.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
return true;
}
return false;
}
};
public static final AppFilter ON_SD_CARD_FILTER = new AppFilter() {
final CanBeOnSdCardChecker mCanBeOnSdCardChecker
= new CanBeOnSdCardChecker();
public void init() {
mCanBeOnSdCardChecker.init();
}
@Override
public boolean filterApp(ApplicationInfo info) {
return mCanBeOnSdCardChecker.check(info);
}
};
final Context mContext;
final PackageManager mPm;
PackageIntentReceiver mPackageIntentReceiver;
boolean mResumed;
Callbacks mCurCallbacks;
// Information about all applications. Synchronize on mAppEntries
// to protect access to these.
final InterestingConfigChanges mInterestingConfigChanges = new InterestingConfigChanges();
final HashMap<String, AppEntry> mEntriesMap = new HashMap<String, AppEntry>();
final ArrayList<AppEntry> mAppEntries = new ArrayList<AppEntry>();
List<ApplicationInfo> mApplications = new ArrayList<ApplicationInfo>();
long mCurId = 1;
String mCurComputingSizePkg;
// Rebuilding of app list. Synchronized on mRebuildSync.
final Object mRebuildSync = new Object();
boolean mRebuildRequested;
boolean mRebuildAsync;
AppFilter mRebuildFilter;
Comparator<AppEntry> mRebuildComparator;
ArrayList<AppEntry> mRebuildResult;
/**
* Receives notifications when applications are added/removed.
*/
private class PackageIntentReceiver extends BroadcastReceiver {
void registerReceiver() {
IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED);
filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
filter.addAction(Intent.ACTION_PACKAGE_CHANGED);
filter.addDataScheme("package");
mContext.registerReceiver(this, filter);
// Register for events related to sdcard installation.
IntentFilter sdFilter = new IntentFilter();
sdFilter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE);
sdFilter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE);
mContext.registerReceiver(this, sdFilter);
}
@Override
public void onReceive(Context context, Intent intent) {
String actionStr = intent.getAction();
if (Intent.ACTION_PACKAGE_ADDED.equals(actionStr)) {
Uri data = intent.getData();
String pkgName = data.getEncodedSchemeSpecificPart();
addPackage(pkgName);
} else if (Intent.ACTION_PACKAGE_REMOVED.equals(actionStr)) {
Uri data = intent.getData();
String pkgName = data.getEncodedSchemeSpecificPart();
removePackage(pkgName);
} else if (Intent.ACTION_PACKAGE_CHANGED.equals(actionStr)) {
Uri data = intent.getData();
String pkgName = data.getEncodedSchemeSpecificPart();
invalidatePackage(pkgName);
} else if (Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE.equals(actionStr) ||
Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(actionStr)) {
// When applications become available or unavailable (perhaps because
// the SD card was inserted or ejected) we need to refresh the
// AppInfo with new label, icon and size information as appropriate
// given the newfound (un)availability of the application.
// A simple way to do that is to treat the refresh as a package
// removal followed by a package addition.
String pkgList[] = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST);
if (pkgList == null || pkgList.length == 0) {
// Ignore
return;
}
boolean avail = Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE.equals(actionStr);
if (avail) {
for (String pkgName : pkgList) {
invalidatePackage(pkgName);
}
}
}
}
}
class MainHandler extends Handler {
static final int MSG_REBUILD_COMPLETE = 1;
static final int MSG_PACKAGE_LIST_CHANGED = 2;
static final int MSG_PACKAGE_ICON_CHANGED = 3;
static final int MSG_PACKAGE_SIZE_CHANGED = 4;
static final int MSG_ALL_SIZES_COMPUTED = 5;
static final int MSG_RUNNING_STATE_CHANGED = 6;
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_REBUILD_COMPLETE: {
if (mCurCallbacks != null) {
mCurCallbacks.onRebuildComplete((ArrayList<AppEntry>)msg.obj);
}
} break;
case MSG_PACKAGE_LIST_CHANGED: {
if (mCurCallbacks != null) {
mCurCallbacks.onPackageListChanged();
}
} break;
case MSG_PACKAGE_ICON_CHANGED: {
if (mCurCallbacks != null) {
mCurCallbacks.onPackageIconChanged();
}
} break;
case MSG_PACKAGE_SIZE_CHANGED: {
if (mCurCallbacks != null) {
mCurCallbacks.onPackageSizeChanged((String)msg.obj);
}
} break;
case MSG_ALL_SIZES_COMPUTED: {
if (mCurCallbacks != null) {
mCurCallbacks.onAllSizesComputed();
}
} break;
case MSG_RUNNING_STATE_CHANGED: {
if (mCurCallbacks != null) {
mCurCallbacks.onRunningStateChanged(msg.arg1 != 0);
}
} break;
}
}
}
final MainHandler mMainHandler = new MainHandler();
// --------------------------------------------------------------
static final Object sLock = new Object();
static ApplicationsState sInstance;
static ApplicationsState getInstance(Application app) {
synchronized (sLock) {
if (sInstance == null) {
sInstance = new ApplicationsState(app);
}
return sInstance;
}
}
private ApplicationsState(Application app) {
mContext = app;
mPm = mContext.getPackageManager();
mThread = new HandlerThread("ApplicationsState.Loader",
Process.THREAD_PRIORITY_BACKGROUND);
mThread.start();
mBackgroundHandler = new BackgroundHandler(mThread.getLooper());
/**
* This is a trick to prevent the foreground thread from being delayed.
* The problem is that Dalvik monitors are initially spin locks, to keep
* them lightweight. This leads to unfair contention -- Even though the
* background thread only holds the lock for a short amount of time, if
* it keeps running and locking again it can prevent the main thread from
* acquiring its lock for a long time... sometimes even > 5 seconds
* (leading to an ANR).
*
* Dalvik will promote a monitor to a "real" lock if it detects enough
* contention on it. It doesn't figure this out fast enough for us
* here, though, so this little trick will force it to turn into a real
* lock immediately.
*/
synchronized (mEntriesMap) {
try {
mEntriesMap.wait(1);
} catch (InterruptedException e) {
}
}
}
void resume(Callbacks callbacks) {
if (DEBUG_LOCKING) Log.v(TAG, "resume about to acquire lock...");
synchronized (mEntriesMap) {
mCurCallbacks = callbacks;
mResumed = true;
if (mPackageIntentReceiver == null) {
mPackageIntentReceiver = new PackageIntentReceiver();
mPackageIntentReceiver.registerReceiver();
}
mApplications = mPm.getInstalledApplications(
PackageManager.GET_UNINSTALLED_PACKAGES |
PackageManager.GET_DISABLED_COMPONENTS);
if (mApplications == null) {
mApplications = new ArrayList<ApplicationInfo>();
}
if (mInterestingConfigChanges.applyNewConfig(mContext.getResources())) {
// If an interesting part of the configuration has changed, we
// should completely reload the app entries.
mEntriesMap.clear();
mAppEntries.clear();
} else {
for (int i=0; i<mAppEntries.size(); i++) {
mAppEntries.get(i).sizeStale = true;
}
}
for (int i=0; i<mApplications.size(); i++) {
final ApplicationInfo info = mApplications.get(i);
// Need to trim out any applications that are disabled by
// something different than the user.
if (!info.enabled && info.enabledSetting
!= PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER) {
mApplications.remove(i);
i--;
continue;
}
final AppEntry entry = mEntriesMap.get(info.packageName);
if (entry != null) {
entry.info = info;
}
}
mCurComputingSizePkg = null;
if (!mBackgroundHandler.hasMessages(BackgroundHandler.MSG_LOAD_ENTRIES)) {
mBackgroundHandler.sendEmptyMessage(BackgroundHandler.MSG_LOAD_ENTRIES);
}
if (DEBUG_LOCKING) Log.v(TAG, "...resume releasing lock");
}
}
void pause() {
if (DEBUG_LOCKING) Log.v(TAG, "pause about to acquire lock...");
synchronized (mEntriesMap) {
mCurCallbacks = null;
mResumed = false;
if (DEBUG_LOCKING) Log.v(TAG, "...pause releasing lock");
}
}
// Creates a new list of app entries with the given filter and comparator.
ArrayList<AppEntry> rebuild(AppFilter filter, Comparator<AppEntry> comparator) {
synchronized (mRebuildSync) {
mRebuildRequested = true;
mRebuildAsync = false;
mRebuildFilter = filter;
mRebuildComparator = comparator;
mRebuildResult = null;
if (!mBackgroundHandler.hasMessages(BackgroundHandler.MSG_REBUILD_LIST)) {
mBackgroundHandler.sendEmptyMessage(BackgroundHandler.MSG_REBUILD_LIST);
}
// We will wait for .25s for the list to be built.
long waitend = SystemClock.uptimeMillis()+250;
while (mRebuildResult == null) {
long now = SystemClock.uptimeMillis();
if (now >= waitend) {
break;
}
try {
mRebuildSync.wait(waitend - now);
} catch (InterruptedException e) {
}
}
mRebuildAsync = true;
return mRebuildResult;
}
}
void handleRebuildList() {
AppFilter filter;
Comparator<AppEntry> comparator;
synchronized (mRebuildSync) {
if (!mRebuildRequested) {
return;
}
filter = mRebuildFilter;
comparator = mRebuildComparator;
mRebuildRequested = false;
mRebuildFilter = null;
mRebuildComparator = null;
}
Process.setThreadPriority(Process.THREAD_PRIORITY_FOREGROUND);
if (filter != null) {
filter.init();
}
List<ApplicationInfo> apps;
synchronized (mEntriesMap) {
apps = new ArrayList<ApplicationInfo>(mApplications);
}
ArrayList<AppEntry> filteredApps = new ArrayList<AppEntry>();
if (DEBUG) Log.i(TAG, "Rebuilding...");
for (int i=0; i<apps.size(); i++) {
ApplicationInfo info = apps.get(i);
if (filter == null || filter.filterApp(info)) {
synchronized (mEntriesMap) {
if (DEBUG_LOCKING) Log.v(TAG, "rebuild acquired lock");
AppEntry entry = getEntryLocked(info);
entry.ensureLabel(mContext);
if (DEBUG) Log.i(TAG, "Using " + info.packageName + ": " + entry);
filteredApps.add(entry);
if (DEBUG_LOCKING) Log.v(TAG, "rebuild releasing lock");
}
}
}
Collections.sort(filteredApps, comparator);
synchronized (mRebuildSync) {
if (!mRebuildRequested) {
if (!mRebuildAsync) {
mRebuildResult = filteredApps;
mRebuildSync.notifyAll();
} else {
if (!mMainHandler.hasMessages(MainHandler.MSG_REBUILD_COMPLETE)) {
Message msg = mMainHandler.obtainMessage(
MainHandler.MSG_REBUILD_COMPLETE, filteredApps);
mMainHandler.sendMessage(msg);
}
}
}
}
Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
}
AppEntry getEntry(String packageName) {
if (DEBUG_LOCKING) Log.v(TAG, "getEntry about to acquire lock...");
synchronized (mEntriesMap) {
AppEntry entry = mEntriesMap.get(packageName);
if (entry == null) {
for (int i=0; i<mApplications.size(); i++) {
ApplicationInfo info = mApplications.get(i);
if (packageName.equals(info.packageName)) {
entry = getEntryLocked(info);
break;
}
}
}
if (DEBUG_LOCKING) Log.v(TAG, "...getEntry releasing lock");
return entry;
}
}
void ensureIcon(AppEntry entry) {
if (entry.icon != null) {
return;
}
synchronized (entry) {
entry.ensureIconLocked(mContext, mPm);
}
}
void requestSize(String packageName) {
if (DEBUG_LOCKING) Log.v(TAG, "requestSize about to acquire lock...");
synchronized (mEntriesMap) {
AppEntry entry = mEntriesMap.get(packageName);
if (entry != null) {
mPm.getPackageSizeInfo(packageName, mBackgroundHandler.mStatsObserver);
}
if (DEBUG_LOCKING) Log.v(TAG, "...requestSize releasing lock");
}
}
long sumCacheSizes() {
long sum = 0;
if (DEBUG_LOCKING) Log.v(TAG, "sumCacheSizes about to acquire lock...");
synchronized (mEntriesMap) {
if (DEBUG_LOCKING) Log.v(TAG, "-> sumCacheSizes now has lock");
for (int i=mAppEntries.size()-1; i>=0; i--) {
sum += mAppEntries.get(i).cacheSize;
}
if (DEBUG_LOCKING) Log.v(TAG, "...sumCacheSizes releasing lock");
}
return sum;
}
int indexOfApplicationInfoLocked(String pkgName) {
for (int i=mApplications.size()-1; i>=0; i--) {
if (mApplications.get(i).packageName.equals(pkgName)) {
return i;
}
}
return -1;
}
void addPackage(String pkgName) {
try {
synchronized (mEntriesMap) {
if (DEBUG_LOCKING) Log.v(TAG, "addPackage acquired lock");
if (DEBUG) Log.i(TAG, "Adding package " + pkgName);
if (!mResumed) {
// If we are not resumed, we will do a full query the
// next time we resume, so there is no reason to do work
// here.
if (DEBUG_LOCKING) Log.v(TAG, "addPackage release lock: not resumed");
return;
}
if (indexOfApplicationInfoLocked(pkgName) >= 0) {
if (DEBUG) Log.i(TAG, "Package already exists!");
if (DEBUG_LOCKING) Log.v(TAG, "addPackage release lock: already exists");
return;
}
ApplicationInfo info = mPm.getApplicationInfo(pkgName,
PackageManager.GET_UNINSTALLED_PACKAGES |
PackageManager.GET_DISABLED_COMPONENTS);
mApplications.add(info);
if (!mBackgroundHandler.hasMessages(BackgroundHandler.MSG_LOAD_ENTRIES)) {
mBackgroundHandler.sendEmptyMessage(BackgroundHandler.MSG_LOAD_ENTRIES);
}
if (!mMainHandler.hasMessages(MainHandler.MSG_PACKAGE_LIST_CHANGED)) {
mMainHandler.sendEmptyMessage(MainHandler.MSG_PACKAGE_LIST_CHANGED);
}
if (DEBUG_LOCKING) Log.v(TAG, "addPackage releasing lock");
}
} catch (NameNotFoundException e) {
}
}
void removePackage(String pkgName) {
synchronized (mEntriesMap) {
if (DEBUG_LOCKING) Log.v(TAG, "removePackage acquired lock");
int idx = indexOfApplicationInfoLocked(pkgName);
if (DEBUG) Log.i(TAG, "removePackage: " + pkgName + " @ " + idx);
if (idx >= 0) {
AppEntry entry = mEntriesMap.get(pkgName);
if (DEBUG) Log.i(TAG, "removePackage: " + entry);
if (entry != null) {
mEntriesMap.remove(pkgName);
mAppEntries.remove(entry);
}
mApplications.remove(idx);
if (!mMainHandler.hasMessages(MainHandler.MSG_PACKAGE_LIST_CHANGED)) {
mMainHandler.sendEmptyMessage(MainHandler.MSG_PACKAGE_LIST_CHANGED);
}
}
if (DEBUG_LOCKING) Log.v(TAG, "removePackage releasing lock");
}
}
void invalidatePackage(String pkgName) {
removePackage(pkgName);
addPackage(pkgName);
}
AppEntry getEntryLocked(ApplicationInfo info) {
AppEntry entry = mEntriesMap.get(info.packageName);
if (DEBUG) Log.i(TAG, "Looking up entry of pkg " + info.packageName + ": " + entry);
if (entry == null) {
if (DEBUG) Log.i(TAG, "Creating AppEntry for " + info.packageName);
entry = new AppEntry(mContext, info, mCurId++);
mEntriesMap.put(info.packageName, entry);
mAppEntries.add(entry);
} else if (entry.info != info) {
entry.info = info;
}
return entry;
}
// --------------------------------------------------------------
private long getTotalInternalSize(PackageStats ps) {
if (ps != null) {
return ps.codeSize + ps.dataSize;
}
return SIZE_INVALID;
}
private long getTotalExternalSize(PackageStats ps) {
if (ps != null) {
return ps.externalCodeSize + ps.externalDataSize
+ ps.externalMediaSize + ps.externalObbSize;
}
return SIZE_INVALID;
}
private String getSizeStr(long size) {
if (size >= 0) {
return Formatter.formatFileSize(mContext, size);
}
return null;
}
final HandlerThread mThread;
final BackgroundHandler mBackgroundHandler;
class BackgroundHandler extends Handler {
static final int MSG_REBUILD_LIST = 1;
static final int MSG_LOAD_ENTRIES = 2;
static final int MSG_LOAD_ICONS = 3;
static final int MSG_LOAD_SIZES = 4;
boolean mRunning;
final IPackageStatsObserver.Stub mStatsObserver = new IPackageStatsObserver.Stub() {
public void onGetStatsCompleted(PackageStats stats, boolean succeeded) {
boolean sizeChanged = false;
synchronized (mEntriesMap) {
if (DEBUG_LOCKING) Log.v(TAG, "onGetStatsCompleted acquired lock");
AppEntry entry = mEntriesMap.get(stats.packageName);
if (entry != null) {
synchronized (entry) {
entry.sizeStale = false;
entry.sizeLoadStart = 0;
long externalCodeSize = stats.externalCodeSize
+ stats.externalObbSize;
long externalDataSize = stats.externalDataSize
+ stats.externalMediaSize + stats.externalCacheSize;
long newSize = externalCodeSize + externalDataSize
+ getTotalInternalSize(stats);
if (entry.size != newSize ||
entry.cacheSize != stats.cacheSize ||
entry.codeSize != stats.codeSize ||
entry.dataSize != stats.dataSize ||
entry.externalCodeSize != externalCodeSize ||
entry.externalDataSize != externalDataSize) {
entry.size = newSize;
entry.cacheSize = stats.cacheSize;
entry.codeSize = stats.codeSize;
entry.dataSize = stats.dataSize;
entry.externalCodeSize = externalCodeSize;
entry.externalDataSize = externalDataSize;
entry.sizeStr = getSizeStr(entry.size);
entry.internalSize = getTotalInternalSize(stats);
entry.internalSizeStr = getSizeStr(entry.internalSize);
entry.externalSize = getTotalExternalSize(stats);
entry.externalSizeStr = getSizeStr(entry.externalSize);
if (DEBUG) Log.i(TAG, "Set size of " + entry.label + " " + entry
+ ": " + entry.sizeStr);
sizeChanged = true;
}
}
if (sizeChanged) {
Message msg = mMainHandler.obtainMessage(
MainHandler.MSG_PACKAGE_SIZE_CHANGED, stats.packageName);
mMainHandler.sendMessage(msg);
}
}
if (mCurComputingSizePkg == null
|| mCurComputingSizePkg.equals(stats.packageName)) {
mCurComputingSizePkg = null;
sendEmptyMessage(MSG_LOAD_SIZES);
}
if (DEBUG_LOCKING) Log.v(TAG, "onGetStatsCompleted releasing lock");
}
}
};
BackgroundHandler(Looper looper) {
super(looper);
}
@Override
public void handleMessage(Message msg) {
// Always try rebuilding list first thing, if needed.
handleRebuildList();
switch (msg.what) {
case MSG_REBUILD_LIST: {
} break;
case MSG_LOAD_ENTRIES: {
int numDone = 0;
synchronized (mEntriesMap) {
if (DEBUG_LOCKING) Log.v(TAG, "MSG_LOAD_ENTRIES acquired lock");
for (int i=0; i<mApplications.size() && numDone<6; i++) {
if (!mRunning) {
mRunning = true;
Message m = mMainHandler.obtainMessage(
MainHandler.MSG_RUNNING_STATE_CHANGED, 1);
mMainHandler.sendMessage(m);
}
ApplicationInfo info = mApplications.get(i);
if (mEntriesMap.get(info.packageName) == null) {
numDone++;
getEntryLocked(info);
}
}
if (DEBUG_LOCKING) Log.v(TAG, "MSG_LOAD_ENTRIES releasing lock");
}
if (numDone >= 6) {
sendEmptyMessage(MSG_LOAD_ENTRIES);
} else {
sendEmptyMessage(MSG_LOAD_ICONS);
}
} break;
case MSG_LOAD_ICONS: {
int numDone = 0;
synchronized (mEntriesMap) {
if (DEBUG_LOCKING) Log.v(TAG, "MSG_LOAD_ICONS acquired lock");
for (int i=0; i<mAppEntries.size() && numDone<2; i++) {
AppEntry entry = mAppEntries.get(i);
if (entry.icon == null || !entry.mounted) {
synchronized (entry) {
if (entry.ensureIconLocked(mContext, mPm)) {
if (!mRunning) {
mRunning = true;
Message m = mMainHandler.obtainMessage(
MainHandler.MSG_RUNNING_STATE_CHANGED, 1);
mMainHandler.sendMessage(m);
}
numDone++;
}
}
}
}
if (DEBUG_LOCKING) Log.v(TAG, "MSG_LOAD_ICONS releasing lock");
}
if (numDone > 0) {
if (!mMainHandler.hasMessages(MainHandler.MSG_PACKAGE_ICON_CHANGED)) {
mMainHandler.sendEmptyMessage(MainHandler.MSG_PACKAGE_ICON_CHANGED);
}
}
if (numDone >= 2) {
sendEmptyMessage(MSG_LOAD_ICONS);
} else {
sendEmptyMessage(MSG_LOAD_SIZES);
}
} break;
case MSG_LOAD_SIZES: {
synchronized (mEntriesMap) {
if (DEBUG_LOCKING) Log.v(TAG, "MSG_LOAD_SIZES acquired lock");
if (mCurComputingSizePkg != null) {
if (DEBUG_LOCKING) Log.v(TAG, "MSG_LOAD_SIZES releasing: currently computing");
return;
}
long now = SystemClock.uptimeMillis();
for (int i=0; i<mAppEntries.size(); i++) {
AppEntry entry = mAppEntries.get(i);
if (entry.size == SIZE_UNKNOWN || entry.sizeStale) {
if (entry.sizeLoadStart == 0 ||
(entry.sizeLoadStart < (now-20*1000))) {
if (!mRunning) {
mRunning = true;
Message m = mMainHandler.obtainMessage(
MainHandler.MSG_RUNNING_STATE_CHANGED, 1);
mMainHandler.sendMessage(m);
}
entry.sizeLoadStart = now;
mCurComputingSizePkg = entry.info.packageName;
mPm.getPackageSizeInfo(mCurComputingSizePkg, mStatsObserver);
}
if (DEBUG_LOCKING) Log.v(TAG, "MSG_LOAD_SIZES releasing: now computing");
return;
}
}
if (!mMainHandler.hasMessages(MainHandler.MSG_ALL_SIZES_COMPUTED)) {
mMainHandler.sendEmptyMessage(MainHandler.MSG_ALL_SIZES_COMPUTED);
mRunning = false;
Message m = mMainHandler.obtainMessage(
MainHandler.MSG_RUNNING_STATE_CHANGED, 0);
mMainHandler.sendMessage(m);
}
if (DEBUG_LOCKING) Log.v(TAG, "MSG_LOAD_SIZES releasing lock");
}
} break;
}
}
}
}