778 lines
33 KiB
Java
778 lines
33 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server;
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import com.android.internal.content.PackageMonitor;
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import com.android.internal.textservice.ISpellCheckerService;
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import com.android.internal.textservice.ISpellCheckerSession;
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import com.android.internal.textservice.ISpellCheckerSessionListener;
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import com.android.internal.textservice.ITextServicesManager;
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import com.android.internal.textservice.ITextServicesSessionListener;
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import org.xmlpull.v1.XmlPullParserException;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.ServiceConnection;
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import android.content.pm.PackageManager;
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import android.content.pm.ResolveInfo;
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import android.content.pm.ServiceInfo;
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import android.os.Binder;
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import android.os.Bundle;
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import android.os.IBinder;
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import android.os.RemoteException;
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import android.provider.Settings;
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import android.service.textservice.SpellCheckerService;
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import android.text.TextUtils;
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import android.util.Slog;
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import android.view.inputmethod.InputMethodManager;
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import android.view.inputmethod.InputMethodSubtype;
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import android.view.textservice.SpellCheckerInfo;
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import android.view.textservice.SpellCheckerSubtype;
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import java.io.FileDescriptor;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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public class TextServicesManagerService extends ITextServicesManager.Stub {
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private static final String TAG = TextServicesManagerService.class.getSimpleName();
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private static final boolean DBG = false;
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private final Context mContext;
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private boolean mSystemReady;
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private final TextServicesMonitor mMonitor;
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private final HashMap<String, SpellCheckerInfo> mSpellCheckerMap =
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new HashMap<String, SpellCheckerInfo>();
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private final ArrayList<SpellCheckerInfo> mSpellCheckerList = new ArrayList<SpellCheckerInfo>();
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private final HashMap<String, SpellCheckerBindGroup> mSpellCheckerBindGroups =
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new HashMap<String, SpellCheckerBindGroup>();
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public void systemReady() {
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if (!mSystemReady) {
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mSystemReady = true;
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}
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}
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public TextServicesManagerService(Context context) {
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mSystemReady = false;
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mContext = context;
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mMonitor = new TextServicesMonitor();
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mMonitor.register(context, true);
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synchronized (mSpellCheckerMap) {
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buildSpellCheckerMapLocked(context, mSpellCheckerList, mSpellCheckerMap);
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}
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SpellCheckerInfo sci = getCurrentSpellChecker(null);
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if (sci == null) {
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sci = findAvailSpellCheckerLocked(null, null);
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if (sci != null) {
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// Set the current spell checker if there is one or more spell checkers
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// available. In this case, "sci" is the first one in the available spell
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// checkers.
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setCurrentSpellCheckerLocked(sci.getId());
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}
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}
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}
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private class TextServicesMonitor extends PackageMonitor {
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@Override
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public void onSomePackagesChanged() {
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synchronized (mSpellCheckerMap) {
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buildSpellCheckerMapLocked(mContext, mSpellCheckerList, mSpellCheckerMap);
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// TODO: Update for each locale
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SpellCheckerInfo sci = getCurrentSpellChecker(null);
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if (sci == null) return;
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final String packageName = sci.getPackageName();
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final int change = isPackageDisappearing(packageName);
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if (// Package disappearing
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change == PACKAGE_PERMANENT_CHANGE || change == PACKAGE_TEMPORARY_CHANGE
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// Package modified
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|| isPackageModified(packageName)) {
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sci = findAvailSpellCheckerLocked(null, packageName);
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if (sci != null) {
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setCurrentSpellCheckerLocked(sci.getId());
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}
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}
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}
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}
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}
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private static void buildSpellCheckerMapLocked(Context context,
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ArrayList<SpellCheckerInfo> list, HashMap<String, SpellCheckerInfo> map) {
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list.clear();
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map.clear();
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final PackageManager pm = context.getPackageManager();
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List<ResolveInfo> services = pm.queryIntentServices(
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new Intent(SpellCheckerService.SERVICE_INTERFACE), PackageManager.GET_META_DATA);
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final int N = services.size();
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for (int i = 0; i < N; ++i) {
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final ResolveInfo ri = services.get(i);
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final ServiceInfo si = ri.serviceInfo;
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final ComponentName compName = new ComponentName(si.packageName, si.name);
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if (!android.Manifest.permission.BIND_TEXT_SERVICE.equals(si.permission)) {
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Slog.w(TAG, "Skipping text service " + compName
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+ ": it does not require the permission "
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+ android.Manifest.permission.BIND_TEXT_SERVICE);
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continue;
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}
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if (DBG) Slog.d(TAG, "Add: " + compName);
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try {
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final SpellCheckerInfo sci = new SpellCheckerInfo(context, ri);
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if (sci.getSubtypeCount() <= 0) {
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Slog.w(TAG, "Skipping text service " + compName
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+ ": it does not contain subtypes.");
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continue;
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}
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list.add(sci);
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map.put(sci.getId(), sci);
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} catch (XmlPullParserException e) {
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Slog.w(TAG, "Unable to load the spell checker " + compName, e);
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} catch (IOException e) {
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Slog.w(TAG, "Unable to load the spell checker " + compName, e);
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}
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}
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if (DBG) {
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Slog.d(TAG, "buildSpellCheckerMapLocked: " + list.size() + "," + map.size());
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}
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}
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// TODO: find an appropriate spell checker for specified locale
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private SpellCheckerInfo findAvailSpellCheckerLocked(String locale, String prefPackage) {
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final int spellCheckersCount = mSpellCheckerList.size();
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if (spellCheckersCount == 0) {
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Slog.w(TAG, "no available spell checker services found");
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return null;
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}
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if (prefPackage != null) {
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for (int i = 0; i < spellCheckersCount; ++i) {
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final SpellCheckerInfo sci = mSpellCheckerList.get(i);
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if (prefPackage.equals(sci.getPackageName())) {
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if (DBG) {
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Slog.d(TAG, "findAvailSpellCheckerLocked: " + sci.getPackageName());
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}
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return sci;
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}
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}
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}
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if (spellCheckersCount > 1) {
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Slog.w(TAG, "more than one spell checker service found, picking first");
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}
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return mSpellCheckerList.get(0);
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}
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// TODO: Save SpellCheckerService by supported languages. Currently only one spell
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// checker is saved.
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@Override
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public SpellCheckerInfo getCurrentSpellChecker(String locale) {
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synchronized (mSpellCheckerMap) {
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final String curSpellCheckerId =
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Settings.Secure.getString(mContext.getContentResolver(),
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Settings.Secure.SELECTED_SPELL_CHECKER);
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if (DBG) {
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Slog.w(TAG, "getCurrentSpellChecker: " + curSpellCheckerId);
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}
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if (TextUtils.isEmpty(curSpellCheckerId)) {
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return null;
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}
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return mSpellCheckerMap.get(curSpellCheckerId);
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}
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}
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// TODO: Respect allowImplicitlySelectedSubtype
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// TODO: Save SpellCheckerSubtype by supported languages.
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@Override
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public SpellCheckerSubtype getCurrentSpellCheckerSubtype(
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String locale, boolean allowImplicitlySelectedSubtype) {
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synchronized (mSpellCheckerMap) {
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final String subtypeHashCodeStr =
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Settings.Secure.getString(mContext.getContentResolver(),
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Settings.Secure.SELECTED_SPELL_CHECKER_SUBTYPE);
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if (DBG) {
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Slog.w(TAG, "getCurrentSpellCheckerSubtype: " + subtypeHashCodeStr);
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}
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final SpellCheckerInfo sci = getCurrentSpellChecker(null);
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if (sci == null || sci.getSubtypeCount() == 0) {
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if (DBG) {
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Slog.w(TAG, "Subtype not found.");
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}
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return null;
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}
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final int hashCode;
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if (!TextUtils.isEmpty(subtypeHashCodeStr)) {
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hashCode = Integer.valueOf(subtypeHashCodeStr);
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} else {
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hashCode = 0;
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}
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if (hashCode == 0 && !allowImplicitlySelectedSubtype) {
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return null;
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}
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String candidateLocale = null;
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if (hashCode == 0) {
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// Spell checker language settings == "auto"
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final InputMethodManager imm =
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(InputMethodManager)mContext.getSystemService(Context.INPUT_METHOD_SERVICE);
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if (imm != null) {
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final InputMethodSubtype currentInputMethodSubtype =
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imm.getCurrentInputMethodSubtype();
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if (currentInputMethodSubtype != null) {
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final String localeString = currentInputMethodSubtype.getLocale();
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if (!TextUtils.isEmpty(localeString)) {
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// 1. Use keyboard locale if available in the spell checker
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candidateLocale = localeString;
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}
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}
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}
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if (candidateLocale == null) {
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// 2. Use System locale if available in the spell checker
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candidateLocale = mContext.getResources().getConfiguration().locale.toString();
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}
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}
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SpellCheckerSubtype candidate = null;
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for (int i = 0; i < sci.getSubtypeCount(); ++i) {
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final SpellCheckerSubtype scs = sci.getSubtypeAt(i);
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if (hashCode == 0) {
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if (candidateLocale.equals(locale)) {
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return scs;
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} else if (candidate == null) {
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final String scsLocale = scs.getLocale();
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if (candidateLocale.length() >= 2
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&& scsLocale.length() >= 2
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&& candidateLocale.substring(0, 2).equals(
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scsLocale.substring(0, 2))) {
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// Fall back to the applicable language
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candidate = scs;
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}
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}
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} else if (scs.hashCode() == hashCode) {
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if (DBG) {
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Slog.w(TAG, "Return subtype " + scs.hashCode() + ", input= " + locale
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+ ", " + scs.getLocale());
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}
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// 3. Use the user specified spell check language
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return scs;
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}
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}
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// 4. Fall back to the applicable language and return it if not null
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// 5. Simply just return it even if it's null which means we could find no suitable
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// spell check languages
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return candidate;
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}
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}
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@Override
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public void getSpellCheckerService(String sciId, String locale,
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ITextServicesSessionListener tsListener, ISpellCheckerSessionListener scListener,
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Bundle bundle) {
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if (!mSystemReady) {
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return;
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}
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if (TextUtils.isEmpty(sciId) || tsListener == null || scListener == null) {
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Slog.e(TAG, "getSpellCheckerService: Invalid input.");
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return;
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}
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synchronized(mSpellCheckerMap) {
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if (!mSpellCheckerMap.containsKey(sciId)) {
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return;
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}
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final SpellCheckerInfo sci = mSpellCheckerMap.get(sciId);
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final int uid = Binder.getCallingUid();
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if (mSpellCheckerBindGroups.containsKey(sciId)) {
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final SpellCheckerBindGroup bindGroup = mSpellCheckerBindGroups.get(sciId);
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if (bindGroup != null) {
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final InternalDeathRecipient recipient =
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mSpellCheckerBindGroups.get(sciId).addListener(
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tsListener, locale, scListener, uid, bundle);
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if (recipient == null) {
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if (DBG) {
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Slog.w(TAG, "Didn't create a death recipient.");
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}
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return;
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}
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if (bindGroup.mSpellChecker == null & bindGroup.mConnected) {
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Slog.e(TAG, "The state of the spell checker bind group is illegal.");
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bindGroup.removeAll();
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} else if (bindGroup.mSpellChecker != null) {
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if (DBG) {
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Slog.w(TAG, "Existing bind found. Return a spell checker session now. "
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+ "Listeners count = " + bindGroup.mListeners.size());
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}
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try {
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final ISpellCheckerSession session =
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bindGroup.mSpellChecker.getISpellCheckerSession(
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recipient.mScLocale, recipient.mScListener, bundle);
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if (session != null) {
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tsListener.onServiceConnected(session);
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return;
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} else {
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if (DBG) {
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Slog.w(TAG, "Existing bind already expired. ");
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}
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bindGroup.removeAll();
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}
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} catch (RemoteException e) {
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Slog.e(TAG, "Exception in getting spell checker session: " + e);
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bindGroup.removeAll();
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}
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}
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}
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}
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final long ident = Binder.clearCallingIdentity();
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try {
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startSpellCheckerServiceInnerLocked(
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sci, locale, tsListener, scListener, uid, bundle);
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} finally {
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Binder.restoreCallingIdentity(ident);
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}
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}
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return;
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}
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@Override
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public boolean isSpellCheckerEnabled() {
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synchronized(mSpellCheckerMap) {
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return isSpellCheckerEnabledLocked();
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}
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}
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private void startSpellCheckerServiceInnerLocked(SpellCheckerInfo info, String locale,
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ITextServicesSessionListener tsListener, ISpellCheckerSessionListener scListener,
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int uid, Bundle bundle) {
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if (DBG) {
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Slog.w(TAG, "Start spell checker session inner locked.");
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}
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final String sciId = info.getId();
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final InternalServiceConnection connection = new InternalServiceConnection(
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sciId, locale, bundle);
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final Intent serviceIntent = new Intent(SpellCheckerService.SERVICE_INTERFACE);
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serviceIntent.setComponent(info.getComponent());
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if (DBG) {
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Slog.w(TAG, "bind service: " + info.getId());
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}
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if (!mContext.bindService(serviceIntent, connection, Context.BIND_AUTO_CREATE)) {
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Slog.e(TAG, "Failed to get a spell checker service.");
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return;
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}
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final SpellCheckerBindGroup group = new SpellCheckerBindGroup(
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connection, tsListener, locale, scListener, uid, bundle);
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mSpellCheckerBindGroups.put(sciId, group);
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}
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@Override
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public SpellCheckerInfo[] getEnabledSpellCheckers() {
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if (DBG) {
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Slog.d(TAG, "getEnabledSpellCheckers: " + mSpellCheckerList.size());
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for (int i = 0; i < mSpellCheckerList.size(); ++i) {
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Slog.d(TAG, "EnabledSpellCheckers: " + mSpellCheckerList.get(i).getPackageName());
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}
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}
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return mSpellCheckerList.toArray(new SpellCheckerInfo[mSpellCheckerList.size()]);
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}
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@Override
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public void finishSpellCheckerService(ISpellCheckerSessionListener listener) {
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if (DBG) {
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Slog.d(TAG, "FinishSpellCheckerService");
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}
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synchronized(mSpellCheckerMap) {
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final ArrayList<SpellCheckerBindGroup> removeList =
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new ArrayList<SpellCheckerBindGroup>();
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for (SpellCheckerBindGroup group : mSpellCheckerBindGroups.values()) {
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if (group == null) continue;
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// Use removeList to avoid modifying mSpellCheckerBindGroups in this loop.
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removeList.add(group);
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}
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final int removeSize = removeList.size();
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for (int i = 0; i < removeSize; ++i) {
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removeList.get(i).removeListener(listener);
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}
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}
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}
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@Override
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public void setCurrentSpellChecker(String locale, String sciId) {
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synchronized(mSpellCheckerMap) {
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if (mContext.checkCallingOrSelfPermission(
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android.Manifest.permission.WRITE_SECURE_SETTINGS)
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!= PackageManager.PERMISSION_GRANTED) {
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throw new SecurityException(
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"Requires permission "
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+ android.Manifest.permission.WRITE_SECURE_SETTINGS);
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}
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setCurrentSpellCheckerLocked(sciId);
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}
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}
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@Override
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public void setCurrentSpellCheckerSubtype(String locale, int hashCode) {
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synchronized(mSpellCheckerMap) {
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if (mContext.checkCallingOrSelfPermission(
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android.Manifest.permission.WRITE_SECURE_SETTINGS)
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!= PackageManager.PERMISSION_GRANTED) {
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throw new SecurityException(
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"Requires permission "
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+ android.Manifest.permission.WRITE_SECURE_SETTINGS);
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}
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setCurrentSpellCheckerSubtypeLocked(hashCode);
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}
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}
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@Override
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public void setSpellCheckerEnabled(boolean enabled) {
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synchronized(mSpellCheckerMap) {
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if (mContext.checkCallingOrSelfPermission(
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android.Manifest.permission.WRITE_SECURE_SETTINGS)
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!= PackageManager.PERMISSION_GRANTED) {
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throw new SecurityException(
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"Requires permission "
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+ android.Manifest.permission.WRITE_SECURE_SETTINGS);
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}
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setSpellCheckerEnabledLocked(enabled);
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}
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}
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private void setCurrentSpellCheckerLocked(String sciId) {
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if (DBG) {
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Slog.w(TAG, "setCurrentSpellChecker: " + sciId);
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}
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if (TextUtils.isEmpty(sciId) || !mSpellCheckerMap.containsKey(sciId)) return;
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final SpellCheckerInfo currentSci = getCurrentSpellChecker(null);
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if (currentSci != null && currentSci.getId().equals(sciId)) {
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// Do nothing if the current spell checker is same as new spell checker.
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return;
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}
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final long ident = Binder.clearCallingIdentity();
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try {
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Settings.Secure.putString(mContext.getContentResolver(),
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Settings.Secure.SELECTED_SPELL_CHECKER, sciId);
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setCurrentSpellCheckerSubtypeLocked(0);
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} finally {
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Binder.restoreCallingIdentity(ident);
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}
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}
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private void setCurrentSpellCheckerSubtypeLocked(int hashCode) {
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if (DBG) {
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Slog.w(TAG, "setCurrentSpellCheckerSubtype: " + hashCode);
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}
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final SpellCheckerInfo sci = getCurrentSpellChecker(null);
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int tempHashCode = 0;
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for (int i = 0; sci != null && i < sci.getSubtypeCount(); ++i) {
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if(sci.getSubtypeAt(i).hashCode() == hashCode) {
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tempHashCode = hashCode;
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break;
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}
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}
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|
final long ident = Binder.clearCallingIdentity();
|
|
try {
|
|
Settings.Secure.putString(mContext.getContentResolver(),
|
|
Settings.Secure.SELECTED_SPELL_CHECKER_SUBTYPE, String.valueOf(tempHashCode));
|
|
} finally {
|
|
Binder.restoreCallingIdentity(ident);
|
|
}
|
|
}
|
|
|
|
private void setSpellCheckerEnabledLocked(boolean enabled) {
|
|
if (DBG) {
|
|
Slog.w(TAG, "setSpellCheckerEnabled: " + enabled);
|
|
}
|
|
final long ident = Binder.clearCallingIdentity();
|
|
try {
|
|
Settings.Secure.putInt(mContext.getContentResolver(),
|
|
Settings.Secure.SPELL_CHECKER_ENABLED, enabled ? 1 : 0);
|
|
} finally {
|
|
Binder.restoreCallingIdentity(ident);
|
|
}
|
|
}
|
|
|
|
private boolean isSpellCheckerEnabledLocked() {
|
|
final long ident = Binder.clearCallingIdentity();
|
|
try {
|
|
final boolean retval = Settings.Secure.getInt(mContext.getContentResolver(),
|
|
Settings.Secure.SPELL_CHECKER_ENABLED, 1) == 1;
|
|
if (DBG) {
|
|
Slog.w(TAG, "getSpellCheckerEnabled: " + retval);
|
|
}
|
|
return retval;
|
|
} finally {
|
|
Binder.restoreCallingIdentity(ident);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
|
|
if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
|
|
!= PackageManager.PERMISSION_GRANTED) {
|
|
|
|
pw.println("Permission Denial: can't dump TextServicesManagerService from from pid="
|
|
+ Binder.getCallingPid()
|
|
+ ", uid=" + Binder.getCallingUid());
|
|
return;
|
|
}
|
|
|
|
synchronized(mSpellCheckerMap) {
|
|
pw.println("Current Text Services Manager state:");
|
|
pw.println(" Spell Checker Map:");
|
|
for (Map.Entry<String, SpellCheckerInfo> ent : mSpellCheckerMap.entrySet()) {
|
|
pw.print(" "); pw.print(ent.getKey()); pw.println(":");
|
|
SpellCheckerInfo info = ent.getValue();
|
|
pw.print(" "); pw.print("id="); pw.println(info.getId());
|
|
pw.print(" "); pw.print("comp=");
|
|
pw.println(info.getComponent().toShortString());
|
|
int NS = info.getSubtypeCount();
|
|
for (int i=0; i<NS; i++) {
|
|
SpellCheckerSubtype st = info.getSubtypeAt(i);
|
|
pw.print(" "); pw.print("Subtype #"); pw.print(i); pw.println(":");
|
|
pw.print(" "); pw.print("locale="); pw.println(st.getLocale());
|
|
pw.print(" "); pw.print("extraValue=");
|
|
pw.println(st.getExtraValue());
|
|
}
|
|
}
|
|
pw.println("");
|
|
pw.println(" Spell Checker Bind Groups:");
|
|
for (Map.Entry<String, SpellCheckerBindGroup> ent
|
|
: mSpellCheckerBindGroups.entrySet()) {
|
|
SpellCheckerBindGroup grp = ent.getValue();
|
|
pw.print(" "); pw.print(ent.getKey()); pw.print(" ");
|
|
pw.print(grp); pw.println(":");
|
|
pw.print(" "); pw.print("mInternalConnection=");
|
|
pw.println(grp.mInternalConnection);
|
|
pw.print(" "); pw.print("mSpellChecker=");
|
|
pw.println(grp.mSpellChecker);
|
|
pw.print(" "); pw.print("mBound="); pw.print(grp.mBound);
|
|
pw.print(" mConnected="); pw.println(grp.mConnected);
|
|
int NL = grp.mListeners.size();
|
|
for (int i=0; i<NL; i++) {
|
|
InternalDeathRecipient listener = grp.mListeners.get(i);
|
|
pw.print(" "); pw.print("Listener #"); pw.print(i); pw.println(":");
|
|
pw.print(" "); pw.print("mTsListener=");
|
|
pw.println(listener.mTsListener);
|
|
pw.print(" "); pw.print("mScListener=");
|
|
pw.println(listener.mScListener);
|
|
pw.print(" "); pw.print("mGroup=");
|
|
pw.println(listener.mGroup);
|
|
pw.print(" "); pw.print("mScLocale=");
|
|
pw.print(listener.mScLocale);
|
|
pw.print(" mUid="); pw.println(listener.mUid);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// SpellCheckerBindGroup contains active text service session listeners.
|
|
// If there are no listeners anymore, the SpellCheckerBindGroup instance will be removed from
|
|
// mSpellCheckerBindGroups
|
|
private class SpellCheckerBindGroup {
|
|
private final String TAG = SpellCheckerBindGroup.class.getSimpleName();
|
|
private final InternalServiceConnection mInternalConnection;
|
|
private final ArrayList<InternalDeathRecipient> mListeners =
|
|
new ArrayList<InternalDeathRecipient>();
|
|
public boolean mBound;
|
|
public ISpellCheckerService mSpellChecker;
|
|
public boolean mConnected;
|
|
|
|
public SpellCheckerBindGroup(InternalServiceConnection connection,
|
|
ITextServicesSessionListener listener, String locale,
|
|
ISpellCheckerSessionListener scListener, int uid, Bundle bundle) {
|
|
mInternalConnection = connection;
|
|
mBound = true;
|
|
mConnected = false;
|
|
addListener(listener, locale, scListener, uid, bundle);
|
|
}
|
|
|
|
public void onServiceConnected(ISpellCheckerService spellChecker) {
|
|
if (DBG) {
|
|
Slog.d(TAG, "onServiceConnected");
|
|
}
|
|
synchronized(mSpellCheckerMap) {
|
|
for (InternalDeathRecipient listener : mListeners) {
|
|
try {
|
|
final ISpellCheckerSession session = spellChecker.getISpellCheckerSession(
|
|
listener.mScLocale, listener.mScListener, listener.mBundle);
|
|
listener.mTsListener.onServiceConnected(session);
|
|
} catch (RemoteException e) {
|
|
Slog.e(TAG, "Exception in getting the spell checker session."
|
|
+ "Reconnect to the spellchecker. ", e);
|
|
removeAll();
|
|
return;
|
|
}
|
|
}
|
|
mSpellChecker = spellChecker;
|
|
mConnected = true;
|
|
}
|
|
}
|
|
|
|
public InternalDeathRecipient addListener(ITextServicesSessionListener tsListener,
|
|
String locale, ISpellCheckerSessionListener scListener, int uid, Bundle bundle) {
|
|
if (DBG) {
|
|
Slog.d(TAG, "addListener: " + locale);
|
|
}
|
|
InternalDeathRecipient recipient = null;
|
|
synchronized(mSpellCheckerMap) {
|
|
try {
|
|
final int size = mListeners.size();
|
|
for (int i = 0; i < size; ++i) {
|
|
if (mListeners.get(i).hasSpellCheckerListener(scListener)) {
|
|
// do not add the lister if the group already contains this.
|
|
return null;
|
|
}
|
|
}
|
|
recipient = new InternalDeathRecipient(
|
|
this, tsListener, locale, scListener, uid, bundle);
|
|
scListener.asBinder().linkToDeath(recipient, 0);
|
|
mListeners.add(recipient);
|
|
} catch(RemoteException e) {
|
|
// do nothing
|
|
}
|
|
cleanLocked();
|
|
}
|
|
return recipient;
|
|
}
|
|
|
|
public void removeListener(ISpellCheckerSessionListener listener) {
|
|
if (DBG) {
|
|
Slog.w(TAG, "remove listener: " + listener.hashCode());
|
|
}
|
|
synchronized(mSpellCheckerMap) {
|
|
final int size = mListeners.size();
|
|
final ArrayList<InternalDeathRecipient> removeList =
|
|
new ArrayList<InternalDeathRecipient>();
|
|
for (int i = 0; i < size; ++i) {
|
|
final InternalDeathRecipient tempRecipient = mListeners.get(i);
|
|
if(tempRecipient.hasSpellCheckerListener(listener)) {
|
|
if (DBG) {
|
|
Slog.w(TAG, "found existing listener.");
|
|
}
|
|
removeList.add(tempRecipient);
|
|
}
|
|
}
|
|
final int removeSize = removeList.size();
|
|
for (int i = 0; i < removeSize; ++i) {
|
|
if (DBG) {
|
|
Slog.w(TAG, "Remove " + removeList.get(i));
|
|
}
|
|
final InternalDeathRecipient idr = removeList.get(i);
|
|
idr.mScListener.asBinder().unlinkToDeath(idr, 0);
|
|
mListeners.remove(idr);
|
|
}
|
|
cleanLocked();
|
|
}
|
|
}
|
|
|
|
// cleanLocked may remove elements from mSpellCheckerBindGroups
|
|
private void cleanLocked() {
|
|
if (DBG) {
|
|
Slog.d(TAG, "cleanLocked");
|
|
}
|
|
// If there are no more active listeners, clean up. Only do this
|
|
// once.
|
|
if (mBound && mListeners.isEmpty()) {
|
|
mBound = false;
|
|
final String sciId = mInternalConnection.mSciId;
|
|
SpellCheckerBindGroup cur = mSpellCheckerBindGroups.get(sciId);
|
|
if (cur == this) {
|
|
if (DBG) {
|
|
Slog.d(TAG, "Remove bind group.");
|
|
}
|
|
mSpellCheckerBindGroups.remove(sciId);
|
|
}
|
|
mContext.unbindService(mInternalConnection);
|
|
}
|
|
}
|
|
|
|
public void removeAll() {
|
|
Slog.e(TAG, "Remove the spell checker bind unexpectedly.");
|
|
synchronized(mSpellCheckerMap) {
|
|
final int size = mListeners.size();
|
|
for (int i = 0; i < size; ++i) {
|
|
final InternalDeathRecipient idr = mListeners.get(i);
|
|
idr.mScListener.asBinder().unlinkToDeath(idr, 0);
|
|
}
|
|
mListeners.clear();
|
|
cleanLocked();
|
|
}
|
|
}
|
|
}
|
|
|
|
private class InternalServiceConnection implements ServiceConnection {
|
|
private final String mSciId;
|
|
private final String mLocale;
|
|
private final Bundle mBundle;
|
|
public InternalServiceConnection(
|
|
String id, String locale, Bundle bundle) {
|
|
mSciId = id;
|
|
mLocale = locale;
|
|
mBundle = bundle;
|
|
}
|
|
|
|
@Override
|
|
public void onServiceConnected(ComponentName name, IBinder service) {
|
|
synchronized(mSpellCheckerMap) {
|
|
if (DBG) {
|
|
Slog.w(TAG, "onServiceConnected: " + name);
|
|
}
|
|
ISpellCheckerService spellChecker = ISpellCheckerService.Stub.asInterface(service);
|
|
final SpellCheckerBindGroup group = mSpellCheckerBindGroups.get(mSciId);
|
|
if (group != null && this == group.mInternalConnection) {
|
|
group.onServiceConnected(spellChecker);
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onServiceDisconnected(ComponentName name) {
|
|
synchronized(mSpellCheckerMap) {
|
|
final SpellCheckerBindGroup group = mSpellCheckerBindGroups.get(mSciId);
|
|
if (group != null && this == group.mInternalConnection) {
|
|
mSpellCheckerBindGroups.remove(mSciId);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private class InternalDeathRecipient implements IBinder.DeathRecipient {
|
|
public final ITextServicesSessionListener mTsListener;
|
|
public final ISpellCheckerSessionListener mScListener;
|
|
public final String mScLocale;
|
|
private final SpellCheckerBindGroup mGroup;
|
|
public final int mUid;
|
|
public final Bundle mBundle;
|
|
public InternalDeathRecipient(SpellCheckerBindGroup group,
|
|
ITextServicesSessionListener tsListener, String scLocale,
|
|
ISpellCheckerSessionListener scListener, int uid, Bundle bundle) {
|
|
mTsListener = tsListener;
|
|
mScListener = scListener;
|
|
mScLocale = scLocale;
|
|
mGroup = group;
|
|
mUid = uid;
|
|
mBundle = bundle;
|
|
}
|
|
|
|
public boolean hasSpellCheckerListener(ISpellCheckerSessionListener listener) {
|
|
return listener.asBinder().equals(mScListener.asBinder());
|
|
}
|
|
|
|
@Override
|
|
public void binderDied() {
|
|
mGroup.removeListener(mScListener);
|
|
}
|
|
}
|
|
}
|