Add Home / Launcher apps indexing

- add a BaseSearchIndexProvider to HomeSettings
- use a BroadcastReceiver for tracking add or remove of
Home / Launcher apps
- add "launcher" synonym for "home" too

- also code cleaning for DynamicIndexableContentMonitor

See bug: #16484927 Add "launcher" as a synonym for "home" in settings search

Change-Id: I819f4e5f7bd5e9a7882609206b2733ea1912fc69

src/com/android/settings/search/DynamicIndexableContentMonitor.java

@@ -78,10 +78,8 @@ public final class DynamicIndexableContentMonitor extends PackageMonitor impleme
             new UserDictionaryContentObserver(mHandler);
 
     private Context mContext;
-
-    private boolean mHasFeturePrinting;
-
-    private boolean mHasFetureIme;
+    private boolean mHasFeaturePrinting;
+    private boolean mHasFeatureIme;
 
     private static Intent getAccessibilityServiceIntent(String packageName) {
         final Intent intent = new Intent(AccessibilityService.SERVICE_INTERFACE);
@@ -104,9 +102,9 @@ public final class DynamicIndexableContentMonitor extends PackageMonitor impleme
     public void register(Context context) {
         mContext = context;
 
-        mHasFeturePrinting = mContext.getPackageManager().hasSystemFeature(
+        mHasFeaturePrinting = mContext.getPackageManager().hasSystemFeature(
                 PackageManager.FEATURE_PRINTING);
-        mHasFetureIme = mContext.getPackageManager().hasSystemFeature(
+        mHasFeatureIme = mContext.getPackageManager().hasSystemFeature(
                 PackageManager.FEATURE_INPUT_METHODS);
 
         // Cache accessibility service packages to know when they go away.
@@ -124,7 +122,7 @@ public final class DynamicIndexableContentMonitor extends PackageMonitor impleme
             mAccessibilityServices.add(resolveInfo.serviceInfo.packageName);
         }
 
-        if (mHasFeturePrinting) {
+        if (mHasFeaturePrinting) {
             // Cache print service packages to know when they go away.
             PrintManager printManager = (PrintManager)
                     mContext.getSystemService(Context.PRINT_SERVICE);
@@ -141,7 +139,7 @@ public final class DynamicIndexableContentMonitor extends PackageMonitor impleme
         }
 
         // Cache IME service packages to know when they go away.
-        if (mHasFetureIme) {
+        if (mHasFeatureIme) {
             InputMethodManager imeManager = (InputMethodManager)
                     mContext.getSystemService(Context.INPUT_METHOD_SERVICE);
             List<InputMethodInfo> inputMethods = imeManager.getInputMethodList();
@@ -174,7 +172,7 @@ public final class DynamicIndexableContentMonitor extends PackageMonitor impleme
                 Context.INPUT_SERVICE);
         inputManager.unregisterInputDeviceListener(this);
 
-        if (mHasFetureIme) {
+        if (mHasFeatureIme) {
             mContext.getContentResolver().unregisterContentObserver(
                     mUserDictionaryContentObserver);
         }
@@ -242,7 +240,7 @@ public final class DynamicIndexableContentMonitor extends PackageMonitor impleme
             }
         }
 
-        if (mHasFeturePrinting) {
+        if (mHasFeaturePrinting) {
             if (!mPrintServices.contains(packageName)) {
                 final Intent intent = getPrintServiceIntent(packageName);
                 if (!mContext.getPackageManager().queryIntentServices(intent, 0).isEmpty()) {
@@ -253,7 +251,7 @@ public final class DynamicIndexableContentMonitor extends PackageMonitor impleme
             }
         }
 
-        if (mHasFetureIme) {
+        if (mHasFeatureIme) {
             if (!mImeServices.contains(packageName)) {
                 Intent intent = getIMEServiceIntent(packageName);
                 if (!mContext.getPackageManager().queryIntentServices(intent, 0).isEmpty()) {
@@ -273,7 +271,7 @@ public final class DynamicIndexableContentMonitor extends PackageMonitor impleme
                     AccessibilitySettings.class.getName(), true, true);
         }
 
-        if (mHasFeturePrinting) {
+        if (mHasFeaturePrinting) {
             final int printIndex = mPrintServices.indexOf(packageName);
             if (printIndex >= 0) {
                 mPrintServices.remove(printIndex);
@@ -282,7 +280,7 @@ public final class DynamicIndexableContentMonitor extends PackageMonitor impleme
             }
         }
 
-        if (mHasFetureIme) {
+        if (mHasFeatureIme) {
             final int imeIndex = mImeServices.indexOf(packageName);
             if (imeIndex >= 0) {
                 mImeServices.remove(imeIndex);

src/com/android/settings/search/HomePackageReceiver.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2014 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.settings.search;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import com.android.settings.HomeSettings;
+
+import java.util.Set;
+
+/**
+ * A BroadcastReceiver for detecting Home Launchers
+ */
+public class HomePackageReceiver extends BroadcastReceiver {
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        Index.getInstance(context).updateFromClassNameResource(
+                HomeSettings.class.getName(), true, true);
+    }
+}

src/com/android/settings/search/SearchIndexableResources.java

@@ -118,7 +118,7 @@ public final class SearchIndexableResources {
         sResMap.put(HomeSettings.class.getName(),
                 new SearchIndexableResource(
                         Ranking.getRankForClassName(HomeSettings.class.getName()),
-                        R.xml.home_selection,
+                        NO_DATA_RES_ID,
                         HomeSettings.class.getName(),
                         R.drawable.ic_settings_home));