Add an API to get shortcut IMEs

- If there are no selected shortcut IMEs, the most applicable voice input will be selected as a shortcut IME

Change-Id: Ibd0f7ef5101013569c303820a3adc9038a97356d

2 files changed, 37 insertions, 0 deletions

diff --git a/core/java/android/view/inputmethod/InputMethodManager.java b/core/java/android/view/inputmethod/InputMethodManager.java
index fe55f34..a5f3ade 100644
--- a/core/java/android/view/inputmethod/InputMethodManager.java
+++ b/core/java/android/view/inputmethod/InputMethodManager.java
@@ -23,6 +23,7 @@ import android.os.Handler;
 import android.os.IBinder;
 import android.os.Looper;
 import android.os.Message;
+import android.os.Parcelable;
 import android.os.RemoteException;
 import android.os.ResultReceiver;
 import android.os.ServiceManager;
@@ -47,6 +48,7 @@ import com.android.internal.view.InputBindResult;
 
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
@@ -1452,6 +1454,38 @@ public final class InputMethodManager {
         }
     }
 
+    public List<Pair<InputMethodInfo, InputMethodSubtype>> getShortcutInputMethodsAndSubtypes() {
+        synchronized (mH) {
+            List<Pair<InputMethodInfo, InputMethodSubtype>> ret =
+                    new ArrayList<Pair<InputMethodInfo, InputMethodSubtype>>();
+            try {
+                // TODO: We should change the return type from List<Object> to List<Parcelable>
+                List<Object> info = mService.getShortcutInputMethodsAndSubtypes();
+                // "info" has imi1, subtype1, imi2, subtype2, imi3, subtype3,..... in the list
+                Object imi;
+                Object subtype;
+                if (info != null && info.size() > 0) {
+                    final int N = info.size();
+                    if (N % 2 == 0) {
+                        for (int i = 0; i < N;) {
+                            if ((imi = info.get(i++)) instanceof InputMethodInfo) {
+                                subtype = info.get(i++);
+                                ret.add(new Pair<InputMethodInfo, InputMethodSubtype> (
+                                        (InputMethodInfo)imi,
+                                        (subtype instanceof InputMethodSubtype) ?
+                                                (InputMethodSubtype)subtype : null));
+                            }
+                        }
+                    } else {
+                        Log.w(TAG, "The size of list was illegal.");
+                    }
+                }
+            } catch (RemoteException e) {
+                Log.w(TAG, "IME died: " + mCurId, e);
+            }
+            return ret;
+        }
+    }
     public boolean switchToLastInputMethod(IBinder imeToken) {
         synchronized (mH) {
             try {
diff --git a/core/java/com/android/internal/view/IInputMethodManager.aidl b/core/java/com/android/internal/view/IInputMethodManager.aidl
index 63d05ec..125b210 100644
--- a/core/java/com/android/internal/view/IInputMethodManager.aidl
+++ b/core/java/com/android/internal/view/IInputMethodManager.aidl
@@ -32,6 +32,9 @@ interface IInputMethodManager {
     List<InputMethodInfo> getInputMethodList();
     List<InputMethodInfo> getEnabledInputMethodList();
     List<InputMethodSubtype> getEnabledInputMethodSubtypeList(in InputMethodInfo imi);
+    // TODO: We should change the return type from List to List<Parcelable>
+    // Currently there is a bug that aidl doesn't accept List<Parcelable>
+    List getShortcutInputMethodsAndSubtypes();
     void addClient(in IInputMethodClient client,
             in IInputContext inputContext, int uid, int pid);
     void removeClient(in IInputMethodClient client);