am 1d8f8819: Merge "Break apart queries to getInstalled* API DO NOT MERGE" into honeycomb-mr2

* commit '1d8f8819f1e98cdf3b7756396158613e95fe9eb6':
  Break apart queries to getInstalled* API DO NOT MERGE
This commit is contained in:
Kenny Root
2011-05-26 13:34:42 -07:00
committed by Android Git Automerger
6 changed files with 347 additions and 54 deletions

View File

@ -30,14 +30,15 @@ import android.content.pm.InstrumentationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageItemInfo;
import android.content.pm.PackageManager;
import android.content.pm.ParceledListSlice;
import android.content.pm.PermissionGroupInfo;
import android.content.pm.PermissionInfo;
import android.content.res.AssetManager;
import android.content.res.Resources;
import android.net.Uri;
import android.os.Parcel;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.provider.Settings;
import java.io.File;
import java.lang.reflect.Field;
@ -228,7 +229,7 @@ public final class Pm {
String filter = nextArg();
try {
List<PackageInfo> packages = mPm.getInstalledPackages(getFlags);
final List<PackageInfo> packages = getInstalledPackages(mPm, getFlags);
int count = packages.size();
for (int p = 0 ; p < count ; p++) {
@ -256,6 +257,22 @@ public final class Pm {
}
}
@SuppressWarnings("unchecked")
private List<PackageInfo> getInstalledPackages(IPackageManager pm, int flags)
throws RemoteException {
final List<PackageInfo> packageInfos = new ArrayList<PackageInfo>();
PackageInfo lastItem = null;
ParceledListSlice<PackageInfo> slice;
do {
final String lastKey = lastItem != null ? lastItem.packageName : null;
slice = pm.getInstalledPackages(flags, lastKey);
lastItem = slice.populateList(packageInfos, PackageInfo.CREATOR);
} while (!slice.isLastSlice());
return packageInfos;
}
/**
* Lists all of the features supported by the current device.
*

View File

@ -35,6 +35,7 @@ import android.content.pm.InstrumentationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.PackageManager;
import android.content.pm.ParceledListSlice;
import android.content.pm.PermissionGroupInfo;
import android.content.pm.PermissionInfo;
import android.content.pm.ProviderInfo;
@ -44,6 +45,7 @@ import android.content.res.Resources;
import android.content.res.XmlResourceParser;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Parcel;
import android.os.Process;
import android.os.RemoteException;
import android.util.Log;
@ -378,19 +380,41 @@ final class ApplicationPackageManager extends PackageManager {
throw new NameNotFoundException("No shared userid for user:"+sharedUserName);
}
@SuppressWarnings("unchecked")
@Override
public List<PackageInfo> getInstalledPackages(int flags) {
try {
return mPM.getInstalledPackages(flags);
final List<PackageInfo> packageInfos = new ArrayList<PackageInfo>();
PackageInfo lastItem = null;
ParceledListSlice<PackageInfo> slice;
do {
final String lastKey = lastItem != null ? lastItem.packageName : null;
slice = mPM.getInstalledPackages(flags, lastKey);
lastItem = slice.populateList(packageInfos, PackageInfo.CREATOR);
} while (!slice.isLastSlice());
return packageInfos;
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@SuppressWarnings("unchecked")
@Override
public List<ApplicationInfo> getInstalledApplications(int flags) {
try {
return mPM.getInstalledApplications(flags);
final List<ApplicationInfo> applicationInfos = new ArrayList<ApplicationInfo>();
ApplicationInfo lastItem = null;
ParceledListSlice<ApplicationInfo> slice;
do {
final String lastKey = lastItem != null ? lastItem.packageName : null;
slice = mPM.getInstalledApplications(flags, lastKey);
lastItem = slice.populateList(applicationInfos, ApplicationInfo.CREATOR);
} while (!slice.isLastSlice());
return applicationInfos;
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}

View File

@ -30,6 +30,7 @@ import android.content.pm.IPackageMoveObserver;
import android.content.pm.IPackageStatsObserver;
import android.content.pm.InstrumentationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.ParceledListSlice;
import android.content.pm.ProviderInfo;
import android.content.pm.PermissionGroupInfo;
import android.content.pm.PermissionInfo;
@ -109,9 +110,21 @@ interface IPackageManager {
List<ResolveInfo> queryIntentServices(in Intent intent,
String resolvedType, int flags);
List<PackageInfo> getInstalledPackages(int flags);
/**
* This implements getInstalledPackages via a "last returned row"
* mechanism that is not exposed in the API. This is to get around the IPC
* limit that kicks in when flags are included that bloat up the data
* returned.
*/
ParceledListSlice getInstalledPackages(int flags, in String lastRead);
List<ApplicationInfo> getInstalledApplications(int flags);
/**
* This implements getInstalledApplications via a "last returned row"
* mechanism that is not exposed in the API. This is to get around the IPC
* limit that kicks in when flags are included that bloat up the data
* returned.
*/
ParceledListSlice getInstalledApplications(int flags, in String lastRead);
/**
* Retrieve all applications that are marked as persistent.

View File

@ -0,0 +1,19 @@
/*
* Copyright 2011, 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 android.content.pm;
parcelable ParceledListSlice;

View File

@ -0,0 +1,170 @@
/*
* Copyright (C) 2011 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 android.content.pm;
import android.os.Parcel;
import android.os.Parcelable;
import java.util.List;
/**
* Builds up a parcel that is discarded when written to another parcel or
* written to a list. This is useful for API that sends huge lists across a
* Binder that may be larger than the IPC limit.
*
* @hide
*/
public class ParceledListSlice<T extends Parcelable> implements Parcelable {
/*
* TODO get this number from somewhere else. For now set it to a quarter of
* the 1MB limit.
*/
private static final int MAX_IPC_SIZE = 256 * 1024;
private Parcel mParcel;
private int mNumItems;
private boolean mIsLastSlice;
public ParceledListSlice() {
mParcel = Parcel.obtain();
}
private ParceledListSlice(Parcel p, int numItems, boolean lastSlice) {
mParcel = p;
mNumItems = numItems;
mIsLastSlice = lastSlice;
}
@Override
public int describeContents() {
return 0;
}
/**
* Write this to another Parcel. Note that this discards the internal Parcel
* and should not be used anymore. This is so we can pass this to a Binder
* where we won't have a chance to call recycle on this.
*/
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(mNumItems);
dest.writeInt(mIsLastSlice ? 1 : 0);
if (mNumItems > 0) {
final int parcelSize = mParcel.dataSize();
dest.writeInt(parcelSize);
dest.appendFrom(mParcel, 0, parcelSize);
}
mNumItems = 0;
mParcel.recycle();
mParcel = null;
}
/**
* Appends a parcel to this list slice.
*
* @param item Parcelable item to append to this list slice
* @return true when the list slice is full and should not be appended to
* anymore
*/
public boolean append(T item) {
if (mParcel == null) {
throw new IllegalStateException("ParceledListSlice has already been recycled");
}
item.writeToParcel(mParcel, PARCELABLE_WRITE_RETURN_VALUE);
mNumItems++;
return mParcel.dataSize() > MAX_IPC_SIZE;
}
/**
* Populates a list and discards the internal state of the
* ParceledListSlice in the process. The instance should
* not be used anymore.
*
* @param list list to insert items from this slice.
* @param creator creator that knows how to unparcel the
* target object type.
* @return the last item inserted into the list or null if none.
*/
public T populateList(List<T> list, Creator<T> creator) {
mParcel.setDataPosition(0);
T item = null;
for (int i = 0; i < mNumItems; i++) {
item = creator.createFromParcel(mParcel);
list.add(item);
}
mParcel.recycle();
mParcel = null;
return item;
}
/**
* Sets whether this is the last list slice in the series.
*
* @param lastSlice
*/
public void setLastSlice(boolean lastSlice) {
mIsLastSlice = lastSlice;
}
/**
* Returns whether this is the last slice in a series of slices.
*
* @return true if this is the last slice in the series.
*/
public boolean isLastSlice() {
return mIsLastSlice;
}
@SuppressWarnings("unchecked")
public static final Parcelable.Creator<ParceledListSlice> CREATOR =
new Parcelable.Creator<ParceledListSlice>() {
public ParceledListSlice createFromParcel(Parcel in) {
final int numItems = in.readInt();
final boolean lastSlice = in.readInt() == 1;
if (numItems > 0) {
final int parcelSize = in.readInt();
// Advance within this Parcel
int offset = in.dataPosition();
in.setDataPosition(offset + parcelSize);
Parcel p = Parcel.obtain();
p.setDataPosition(0);
p.appendFrom(in, offset, parcelSize);
p.setDataPosition(0);
return new ParceledListSlice(p, numItems, lastSlice);
} else {
return new ParceledListSlice();
}
}
public ParceledListSlice[] newArray(int size) {
return new ParceledListSlice[size];
}
};
}

View File

@ -55,6 +55,8 @@ import android.content.pm.PackageInfo;
import android.content.pm.PackageInfoLite;
import android.content.pm.PackageManager;
import android.content.pm.PackageStats;
import android.content.pm.ParceledListSlice;
import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT;
import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED;
@ -75,6 +77,7 @@ import android.os.IBinder;
import android.os.Looper;
import android.os.Message;
import android.os.Parcel;
import android.os.Parcelable;
import android.os.RemoteException;
import android.os.Environment;
import android.os.FileObserver;
@ -2331,63 +2334,110 @@ class PackageManagerService extends IPackageManager.Stub {
}
}
public List<PackageInfo> getInstalledPackages(int flags) {
ArrayList<PackageInfo> finalList = new ArrayList<PackageInfo>();
synchronized (mPackages) {
if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
Iterator<PackageSetting> i = mSettings.mPackages.values().iterator();
while (i.hasNext()) {
final PackageSetting ps = i.next();
PackageInfo psPkg = generatePackageInfoFromSettingsLP(ps.name, flags);
if(psPkg != null) {
finalList.add(psPkg);
}
}
}
else {
Iterator<PackageParser.Package> i = mPackages.values().iterator();
while (i.hasNext()) {
final PackageParser.Package p = i.next();
if (p.applicationInfo != null) {
PackageInfo pi = generatePackageInfo(p, flags);
if(pi != null) {
finalList.add(pi);
}
}
}
private static final int getContinuationPoint(final String[] keys, final String key) {
final int index;
if (key == null) {
index = 0;
} else {
final int insertPoint = Arrays.binarySearch(keys, key);
if (insertPoint < 0) {
index = -insertPoint;
} else {
index = insertPoint + 1;
}
}
return finalList;
return index;
}
public List<ApplicationInfo> getInstalledApplications(int flags) {
ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>();
synchronized(mPackages) {
if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) {
Iterator<PackageSetting> i = mSettings.mPackages.values().iterator();
while (i.hasNext()) {
final PackageSetting ps = i.next();
ApplicationInfo ai = generateApplicationInfoFromSettingsLP(ps.name, flags);
if(ai != null) {
finalList.add(ai);
public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, String lastRead) {
final ParceledListSlice<PackageInfo> list = new ParceledListSlice<PackageInfo>();
final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
final String[] keys;
synchronized (mPackages) {
if (listUninstalled) {
keys = mSettings.mPackages.keySet().toArray(new String[mSettings.mPackages.size()]);
} else {
keys = mPackages.keySet().toArray(new String[mPackages.size()]);
}
Arrays.sort(keys);
int i = getContinuationPoint(keys, lastRead);
final int N = keys.length;
while (i < N) {
final String packageName = keys[i++];
PackageInfo pi = null;
if (listUninstalled) {
final PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps != null) {
pi = generatePackageInfoFromSettingsLP(ps.name, flags);
}
} else {
final PackageParser.Package p = mPackages.get(packageName);
if (p != null) {
pi = generatePackageInfo(p, flags);
}
}
if (pi != null && !list.append(pi)) {
break;
}
}
else {
Iterator<PackageParser.Package> i = mPackages.values().iterator();
while (i.hasNext()) {
final PackageParser.Package p = i.next();
if (p.applicationInfo != null) {
ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags);
if(ai != null) {
finalList.add(ai);
}
}
}
if (i == N) {
list.setLastSlice(true);
}
}
return finalList;
return list;
}
public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags,
String lastRead) {
final ParceledListSlice<ApplicationInfo> list = new ParceledListSlice<ApplicationInfo>();
final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0;
final String[] keys;
synchronized (mPackages) {
if (listUninstalled) {
keys = mSettings.mPackages.keySet().toArray(new String[mSettings.mPackages.size()]);
} else {
keys = mPackages.keySet().toArray(new String[mPackages.size()]);
}
Arrays.sort(keys);
int i = getContinuationPoint(keys, lastRead);
final int N = keys.length;
while (i < N) {
final String packageName = keys[i++];
ApplicationInfo ai = null;
if (listUninstalled) {
final PackageSetting ps = mSettings.mPackages.get(packageName);
if (ps != null) {
ai = generateApplicationInfoFromSettingsLP(ps.name, flags);
}
} else {
final PackageParser.Package p = mPackages.get(packageName);
if (p != null) {
ai = PackageParser.generateApplicationInfo(p, flags);
}
}
if (ai != null && !list.append(ai)) {
break;
}
}
if (i == N) {
list.setLastSlice(true);
}
}
return list;
}
public List<ApplicationInfo> getPersistentApplications(int flags) {