[Step 2] Add apis for spell checker settings

Bug: 5057977

Change-Id: I4617b7f1487349c5de385e7392dbc39c69fa2ebc

api/current.txt

@@ -24055,6 +24055,8 @@ package android.view.textservice {
     method public android.content.ComponentName getComponent();
     method public java.lang.String getId();
     method public java.lang.String getPackageName();
+    method public android.graphics.drawable.Drawable loadIcon(android.content.pm.PackageManager);
+    method public java.lang.CharSequence loadLabel(android.content.pm.PackageManager);
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator CREATOR;
   }

core/java/android/view/textservice/SpellCheckerInfo.java

@@ -18,8 +18,10 @@ package android.view.textservice;
 
 import android.content.ComponentName;
 import android.content.Context;
+import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.content.pm.ServiceInfo;
+import android.graphics.drawable.Drawable;
 import android.os.Parcel;
 import android.os.Parcelable;
 
@@ -102,6 +104,24 @@ public final class SpellCheckerInfo implements Parcelable {
         }
     };
 
+    /**
+     * Load the user-displayed label for this spell checker.
+     *
+     * @param pm Supply a PackageManager used to load the spell checker's resources.
+     */
+    public CharSequence loadLabel(PackageManager pm) {
+        return mService.loadLabel(pm);
+    }
+
+    /**
+     * Load the user-displayed icon for this spell checker.
+     *
+     * @param pm Supply a PackageManager used to load the spell checker's resources.
+     */
+    public Drawable loadIcon(PackageManager pm) {
+        return mService.loadIcon(pm);
+    }
+
     /**
      * Used to make this class parcelable.
      */

core/java/android/view/textservice/TextServicesManager.java

@@ -97,4 +97,27 @@ public final class TextServicesManager {
         }
         return session;
     }
+
+    /**
+     * @hide
+     */
+    public SpellCheckerInfo[] getEnabledSpellCheckers() {
+        try {
+            return sService.getEnabledSpellCheckers();
+        } catch (RemoteException e) {
+            return null;
+        }
+    }
+
+    /**
+     * @hide
+     */
+    public SpellCheckerInfo getCurrentSpellChecker() {
+        try {
+            // Passing null as a locale for ICS
+            return sService.getCurrentSpellChecker(null);
+        } catch (RemoteException e) {
+            return null;
+        }
+    }
 }

core/java/com/android/internal/textservice/ITextServicesManager.aidl

@@ -32,4 +32,5 @@ interface ITextServicesManager {
             in ITextServicesSessionListener tsListener,
             in ISpellCheckerSessionListener scListener);
     oneway void finishSpellCheckerService(in ISpellCheckerSessionListener listener);
+    SpellCheckerInfo[] getEnabledSpellCheckers();
 }

services/java/com/android/server/TextServicesManagerService.java

@@ -156,6 +156,9 @@ public class TextServicesManagerService extends ITextServicesManager.Stub {
             final String curSpellCheckerId =
                     Settings.Secure.getString(mContext.getContentResolver(),
                             Settings.Secure.SPELL_CHECKER_SERVICE);
+            if (DBG) {
+                Slog.w(TAG, "getCurrentSpellChecker: " + curSpellCheckerId);
+            }
             if (TextUtils.isEmpty(curSpellCheckerId)) {
                 return null;
             }
@@ -197,6 +200,11 @@ public class TextServicesManagerService extends ITextServicesManager.Stub {
         return;
     }
 
+    @Override
+    public SpellCheckerInfo[] getEnabledSpellCheckers() {
+        return mSpellCheckerList.toArray(new SpellCheckerInfo[mSpellCheckerList.size()]);
+    }
+
     @Override
     public void finishSpellCheckerService(ISpellCheckerSessionListener listener) {
         synchronized(mSpellCheckerMap) {
@@ -208,6 +216,9 @@ public class TextServicesManagerService extends ITextServicesManager.Stub {
     }
 
     private void setCurrentSpellChecker(SpellCheckerInfo sci) {
+        if (DBG) {
+            Slog.w(TAG, "setCurrentSpellChecker: " + sci.getId());
+        }
         if (sci == null || mSpellCheckerMap.containsKey(sci.getId())) return;
         Settings.Secure.putString(mContext.getContentResolver(),
                 Settings.Secure.SPELL_CHECKER_SERVICE, sci == null ? "" : sci.getId());