Move some system services to separate directories

Refactored the directory structure so that services can be optionally
excluded. This is step 1. Will be followed by another change that makes
it possible to remove services from the build.

Change-Id: Ideacedfd34b5e213217ad3ff4ebb21c4a8e73f85

1 files changed, 279 insertions, 0 deletions

diff --git a/services/core/java/com/android/server/search/SearchManagerService.java b/services/core/java/com/android/server/search/SearchManagerService.java
new file mode 100644
index 0000000..b5d81d1
--- /dev/null
+++ b/services/core/java/com/android/server/search/SearchManagerService.java
@@ -0,0 +1,279 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.search;
+
+import android.app.ActivityManager;
+import android.app.ActivityManagerNative;
+import android.app.AppGlobals;
+import android.app.ISearchManager;
+import android.app.SearchManager;
+import android.app.SearchableInfo;
+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.pm.IPackageManager;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.database.ContentObserver;
+import android.os.Binder;
+import android.os.Process;
+import android.os.RemoteException;
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.provider.Settings;
+import android.util.Log;
+import android.util.Slog;
+import android.util.SparseArray;
+
+import com.android.internal.content.PackageMonitor;
+import com.android.internal.util.IndentingPrintWriter;
+
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
+import java.util.List;
+
+/**
+ * The search manager service handles the search UI, and maintains a registry of searchable
+ * activities.
+ */
+public class SearchManagerService extends ISearchManager.Stub {
+
+    // general debugging support
+    private static final String TAG = "SearchManagerService";
+
+    // Context that the service is running in.
+    private final Context mContext;
+
+    // This field is initialized lazily in getSearchables(), and then never modified.
+    private final SparseArray<Searchables> mSearchables = new SparseArray<Searchables>();
+
+    /**
+     * Initializes the Search Manager service in the provided system context.
+     * Only one instance of this object should be created!
+     *
+     * @param context to use for accessing DB, window manager, etc.
+     */
+    public SearchManagerService(Context context)  {
+        mContext = context;
+        mContext.registerReceiver(new BootCompletedReceiver(),
+                new IntentFilter(Intent.ACTION_BOOT_COMPLETED));
+        mContext.registerReceiver(new UserReceiver(),
+                new IntentFilter(Intent.ACTION_USER_REMOVED));
+        new MyPackageMonitor().register(context, null, UserHandle.ALL, true);
+    }
+
+    private Searchables getSearchables(int userId) {
+        long origId = Binder.clearCallingIdentity();
+        try {
+            boolean userExists = ((UserManager) mContext.getSystemService(Context.USER_SERVICE))
+                    .getUserInfo(userId) != null;
+            if (!userExists) return null;
+        } finally {
+            Binder.restoreCallingIdentity(origId);
+        }
+        synchronized (mSearchables) {
+            Searchables searchables = mSearchables.get(userId);
+
+            if (searchables == null) {
+                //Log.i(TAG, "Building list of searchable activities for userId=" + userId);
+                searchables = new Searchables(mContext, userId);
+                searchables.buildSearchableList();
+                mSearchables.append(userId, searchables);
+            }
+            return searchables;
+        }
+    }
+
+    private void onUserRemoved(int userId) {
+        if (userId != UserHandle.USER_OWNER) {
+            synchronized (mSearchables) {
+                mSearchables.remove(userId);
+            }
+        }
+    }
+
+    /**
+     * Creates the initial searchables list after boot.
+     */
+    private final class BootCompletedReceiver extends BroadcastReceiver {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            new Thread() {
+                @Override
+                public void run() {
+                    Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
+                    mContext.unregisterReceiver(BootCompletedReceiver.this);
+                    getSearchables(0);
+                }
+            }.start();
+        }
+    }
+
+    private final class UserReceiver extends BroadcastReceiver {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            onUserRemoved(intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_OWNER));
+        }
+    }
+
+    /**
+     * Refreshes the "searchables" list when packages are added/removed.
+     */
+    class MyPackageMonitor extends PackageMonitor {
+
+        @Override
+        public void onSomePackagesChanged() {
+            updateSearchables();
+        }
+
+        @Override
+        public void onPackageModified(String pkg) {
+            updateSearchables();
+        }
+
+        private void updateSearchables() {
+            final int changingUserId = getChangingUserId();
+            synchronized (mSearchables) {
+                // Update list of searchable activities
+                for (int i = 0; i < mSearchables.size(); i++) {
+                    if (changingUserId == mSearchables.keyAt(i)) {
+                        getSearchables(mSearchables.keyAt(i)).buildSearchableList();
+                        break;
+                    }
+                }
+            }
+            // Inform all listeners that the list of searchables has been updated.
+            Intent intent = new Intent(SearchManager.INTENT_ACTION_SEARCHABLES_CHANGED);
+            intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING
+                    | Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
+            mContext.sendBroadcastAsUser(intent, new UserHandle(changingUserId));
+        }
+    }
+
+    class GlobalSearchProviderObserver extends ContentObserver {
+        private final ContentResolver mResolver;
+
+        public GlobalSearchProviderObserver(ContentResolver resolver) {
+            super(null);
+            mResolver = resolver;
+            mResolver.registerContentObserver(
+                    Settings.Secure.getUriFor(Settings.Secure.SEARCH_GLOBAL_SEARCH_ACTIVITY),
+                    false /* notifyDescendants */,
+                    this);
+        }
+
+        @Override
+        public void onChange(boolean selfChange) {
+            synchronized (mSearchables) {
+                for (int i = 0; i < mSearchables.size(); i++) {
+                    getSearchables(mSearchables.keyAt(i)).buildSearchableList();
+                }
+            }
+            Intent intent = new Intent(SearchManager.INTENT_GLOBAL_SEARCH_ACTIVITY_CHANGED);
+            intent.addFlags(Intent.FLAG_RECEIVER_REPLACE_PENDING);
+            mContext.sendBroadcastAsUser(intent, UserHandle.ALL);
+        }
+
+    }
+
+    //
+    // Searchable activities API
+    //
+
+    /**
+     * Returns the SearchableInfo for a given activity.
+     *
+     * @param launchActivity The activity from which we're launching this search.
+     * @return Returns a SearchableInfo record describing the parameters of the search,
+     * or null if no searchable metadata was available.
+     */
+    public SearchableInfo getSearchableInfo(final ComponentName launchActivity) {
+        if (launchActivity == null) {
+            Log.e(TAG, "getSearchableInfo(), activity == null");
+            return null;
+        }
+        return getSearchables(UserHandle.getCallingUserId()).getSearchableInfo(launchActivity);
+    }
+
+    /**
+     * Returns a list of the searchable activities that can be included in global search.
+     */
+    public List<SearchableInfo> getSearchablesInGlobalSearch() {
+        return getSearchables(UserHandle.getCallingUserId()).getSearchablesInGlobalSearchList();
+    }
+
+    public List<ResolveInfo> getGlobalSearchActivities() {
+        return getSearchables(UserHandle.getCallingUserId()).getGlobalSearchActivities();
+    }
+
+    /**
+     * Gets the name of the global search activity.
+     */
+    public ComponentName getGlobalSearchActivity() {
+        return getSearchables(UserHandle.getCallingUserId()).getGlobalSearchActivity();
+    }
+
+    /**
+     * Gets the name of the web search activity.
+     */
+    public ComponentName getWebSearchActivity() {
+        return getSearchables(UserHandle.getCallingUserId()).getWebSearchActivity();
+    }
+
+    @Override
+    public ComponentName getAssistIntent(int userHandle) {
+        try {
+            userHandle = ActivityManager.handleIncomingUser(Binder.getCallingPid(),
+                    Binder.getCallingUid(), userHandle, true, false, "getAssistIntent", null);
+            IPackageManager pm = AppGlobals.getPackageManager();
+            Intent assistIntent = new Intent(Intent.ACTION_ASSIST);
+            ResolveInfo info =
+                    pm.resolveIntent(assistIntent,
+                    assistIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
+                    PackageManager.MATCH_DEFAULT_ONLY, userHandle);
+            if (info != null) {
+                return new ComponentName(
+                        info.activityInfo.applicationInfo.packageName,
+                        info.activityInfo.name);
+            }
+        } catch (RemoteException re) {
+            // Local call
+            Log.e(TAG, "RemoteException in getAssistIntent: " + re);
+        } catch (Exception e) {
+            Log.e(TAG, "Exception in getAssistIntent: " + e);
+        }
+        return null;
+    }
+
+    @Override
+    public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
+        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
+
+        IndentingPrintWriter ipw = new IndentingPrintWriter(pw, "  ");
+        synchronized (mSearchables) {
+            for (int i = 0; i < mSearchables.size(); i++) {
+                ipw.print("\nUser: "); ipw.println(mSearchables.keyAt(i));
+                ipw.increaseIndent();
+                mSearchables.valueAt(i).dump(fd, ipw, args);
+                ipw.decreaseIndent();
+            }
+        }
+    }
+}