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Merge "Conditionally allow non-primay profiles to use TextServices" into lmp-mr1-dev

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This commit is contained in:
Yohei Yukawa
2014-11-01 01:29:23 +00:00
committed by Android (Google) Code Review
parent 182f0a136f 095fa37164
commit 22cbf54ca0
1 changed files with 94 additions and 4 deletions
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98
services/core/java/com/android/server/TextServicesManagerService.java
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@@ -16,6 +16,7 @@
package com.android.server;
import com.android.internal.annotations.GuardedBy;
import com.android.internal.content.PackageMonitor;
import com.android.internal.textservice.ISpellCheckerService;
import com.android.internal.textservice.ISpellCheckerSession;
@@ -28,14 +29,18 @@ import org.xmlpull.v1.XmlPullParserException;
import android.app.ActivityManagerNative;
import android.app.AppGlobals;
import android.app.IUserSwitchObserver;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.pm.ServiceInfo;
import android.content.pm.UserInfo;
import android.os.Binder;
import android.os.Bundle;
import android.os.IBinder;
@@ -43,6 +48,7 @@ import android.os.IRemoteCallback;
import android.os.Process;
import android.os.RemoteException;
import android.os.UserHandle;
import android.os.UserManager;
import android.provider.Settings;
import android.service.textservice.SpellCheckerService;
import android.text.TextUtils;
@@ -84,6 +90,12 @@ public class TextServicesManagerService extends ITextServicesManager.Stub {
public TextServicesManagerService(Context context) {
mSystemReady = false;
mContext = context;
final IntentFilter broadcastFilter = new IntentFilter();
broadcastFilter.addAction(Intent.ACTION_USER_ADDED);
broadcastFilter.addAction(Intent.ACTION_USER_REMOVED);
mContext.registerReceiver(new TextServicesBroadcastReceiver(), broadcastFilter);
int userId = UserHandle.USER_OWNER;
try {
ActivityManagerNative.getDefault().registerUserSwitchObserver(
@@ -119,6 +131,7 @@ public class TextServicesManagerService extends ITextServicesManager.Stub {
private void switchUserLocked(int userId) {
mSettings.setCurrentUserId(userId);
updateCurrentProfileIds();
unbindServiceLocked();
buildSpellCheckerMapLocked(mContext, mSpellCheckerList, mSpellCheckerMap, mSettings);
SpellCheckerInfo sci = getCurrentSpellChecker(null);
@@ -133,6 +146,16 @@ public class TextServicesManagerService extends ITextServicesManager.Stub {
}
}
void updateCurrentProfileIds() {
List<UserInfo> profiles =
UserManager.get(mContext).getProfiles(mSettings.getCurrentUserId());
int[] currentProfileIds = new int[profiles.size()]; // profiles will not be null
for (int i = 0; i < currentProfileIds.length; i++) {
currentProfileIds[i] = profiles.get(i).id;
}
mSettings.setCurrentProfileIds(currentProfileIds);
}
private class TextServicesMonitor extends PackageMonitor {
private boolean isChangingPackagesOfCurrentUser() {
final int userId = getChangingUserId();
@@ -171,6 +194,19 @@ public class TextServicesManagerService extends ITextServicesManager.Stub {
}
}
class TextServicesBroadcastReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
final String action = intent.getAction();
if (Intent.ACTION_USER_ADDED.equals(action)
|| Intent.ACTION_USER_REMOVED.equals(action)) {
updateCurrentProfileIds();
return;
}
Slog.w(TAG, "Unexpected intent " + intent);
}
}
private static void buildSpellCheckerMapLocked(Context context,
ArrayList<SpellCheckerInfo> list, HashMap<String, SpellCheckerInfo> map,
TextServicesSettings settings) {
@@ -223,7 +259,7 @@ public class TextServicesManagerService extends ITextServicesManager.Stub {
Slog.d(TAG, "--- calledFromForegroundUserOrSystemProcess ? "
+ "calling uid = " + uid + " system uid = " + Process.SYSTEM_UID
+ " calling userId = " + userId + ", foreground user id = "
+ mSettings.getCurrentUserId());
+ mSettings.getCurrentUserId() + ", calling pid = " + Binder.getCallingPid());
try {
final String[] packageNames = AppGlobals.getPackageManager().getPackagesForUid(uid);
for (int i = 0; i < packageNames.length; ++i) {
@@ -237,10 +273,40 @@ public class TextServicesManagerService extends ITextServicesManager.Stub {
if (uid == Process.SYSTEM_UID || userId == mSettings.getCurrentUserId()) {
return true;
} else {
Slog.w(TAG, "--- IPC called from background users. Ignore. \n" + getStackTrace());
return false;
}
// Permits current profile to use TSFM as long as the current text service is the system's
// one. This is a tentative solution and should be replaced with fully functional multiuser
// support.
// TODO: Implement multiuser support in TSMS.
final boolean isCurrentProfile = mSettings.isCurrentProfile(userId);
if (DBG) {
Slog.d(TAG, "--- userId = "+ userId + " isCurrentProfile = " + isCurrentProfile);
}
if (mSettings.isCurrentProfile(userId)) {
final SpellCheckerInfo spellCheckerInfo = getCurrentSpellCheckerWithoutVerification();
if (spellCheckerInfo != null) {
final ServiceInfo serviceInfo = spellCheckerInfo.getServiceInfo();
final boolean isSystemSpellChecker =
(serviceInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
if (DBG) {
Slog.d(TAG, "--- current spell checker = "+ spellCheckerInfo.getPackageName()
+ " isSystem = " + isSystemSpellChecker);
}
if (isSystemSpellChecker) {
return true;
}
}
}
// Unlike InputMethodManagerService#calledFromValidUser, INTERACT_ACROSS_USERS_FULL isn't
// taken into account here. Anyway this method is supposed to be removed once multiuser
// support is implemented.
if (DBG) {
Slog.d(TAG, "--- IPC from userId:" + userId + " is being ignored. \n"
+ getStackTrace());
}
return false;
}
private boolean bindCurrentSpellCheckerService(
@@ -292,6 +358,10 @@ public class TextServicesManagerService extends ITextServicesManager.Stub {
if (!calledFromValidUser()) {
return null;
}
return getCurrentSpellCheckerWithoutVerification();
}
private SpellCheckerInfo getCurrentSpellCheckerWithoutVerification() {
synchronized (mSpellCheckerMap) {
final String curSpellCheckerId = mSettings.getSelectedSpellChecker();
if (DBG) {
@@ -914,6 +984,10 @@ public class TextServicesManagerService extends ITextServicesManager.Stub {
private static class TextServicesSettings {
private final ContentResolver mResolver;
private int mCurrentUserId;
@GuardedBy("mLock")
private int[] mCurrentProfileIds = new int[0];
private Object mLock = new Object();
public TextServicesSettings(ContentResolver resolver, int userId) {
mResolver = resolver;
mCurrentUserId = userId;
@@ -928,6 +1002,22 @@ public class TextServicesManagerService extends ITextServicesManager.Stub {
mCurrentUserId = userId;
}
public void setCurrentProfileIds(int[] currentProfileIds) {
synchronized (mLock) {
mCurrentProfileIds = currentProfileIds;
}
}
public boolean isCurrentProfile(int userId) {
synchronized (mLock) {
if (userId == mCurrentUserId) return true;
for (int i = 0; i < mCurrentProfileIds.length; i++) {
if (userId == mCurrentProfileIds[i]) return true;
}
return false;
}
}
public int getCurrentUserId() {
return mCurrentUserId;
}