Merge remote branch 'goog/master' into merge

Conflicts:
	java/src/com/android/inputmethod/compat/InputMethodManagerCompatWrapper.java
	java/src/com/android/inputmethod/compat/InputMethodSubtypeCompatWrapper.java
	java/src/com/android/inputmethod/deprecated/voice/VoiceInputLogger.java
	java/src/com/android/inputmethod/latin/SubtypeSwitcher.java

Change-Id: Ibcb1aa61cbab8ff1863260a579d26d065ee7bd40

java/src/com/android/inputmethod/compat/AbstractCompatWrapper.java

@@ -32,4 +32,8 @@ public abstract class AbstractCompatWrapper {
     public Object getOriginalObject() {
         return mObj;
     }
+
+    public boolean hasOriginalObject() {
+        return mObj != null;
+    }
 }

java/src/com/android/inputmethod/compat/InputMethodManagerCompatWrapper.java

@@ -44,6 +44,8 @@ public class InputMethodManagerCompatWrapper {
             CompatUtils.getMethod(
                     InputMethodManager.class, "setInputMethodAndSubtype", IBinder.class,
                     String.class, InputMethodSubtypeCompatWrapper.CLASS_InputMethodSubtype);
+    private static final Method METHOD_switchToLastInputMethod = CompatUtils.getMethod(
+            InputMethodManager.class, "switchToLastInputMethod", IBinder.class);
 
     private static final InputMethodManagerCompatWrapper sInstance =
             new InputMethodManagerCompatWrapper();
@@ -102,7 +104,7 @@ public class InputMethodManagerCompatWrapper {
     }
 
     public boolean switchToLastInputMethod(IBinder token) {
-        return false;
+        return (Boolean)CompatUtils.invoke(mImm, false, METHOD_switchToLastInputMethod, token);
     }
 
     public List<InputMethodInfoCompatWrapper> getEnabledInputMethodList() {

java/src/com/android/inputmethod/compat/InputMethodSubtypeCompatWrapper.java

@@ -18,6 +18,7 @@ package com.android.inputmethod.compat;
 
 import com.android.inputmethod.latin.LatinImeLogger;
 
+import android.text.TextUtils;
 import android.util.Log;
 
 import java.lang.reflect.Method;
@@ -65,13 +66,13 @@ public final class InputMethodSubtypeCompatWrapper extends AbstractCompatWrapper
 
     public String getLocale() {
         final String s = (String)CompatUtils.invoke(mObj, null, METHOD_getLocale);
-        if (s == null) return DEFAULT_LOCALE;
+        if (TextUtils.isEmpty(s)) return DEFAULT_LOCALE;
         return s;
     }
 
     public String getMode() {
         String s = (String)CompatUtils.invoke(mObj, null, METHOD_getMode);
-        if (s == null) return DEFAULT_MODE;
+        if (TextUtils.isEmpty(s)) return DEFAULT_MODE;
         return s;
     }
 

java/src/com/android/inputmethod/deprecated/compat/VoiceInputLoggerCompatUtils.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2011 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.inputmethod.deprecated.compat;
+
+import com.android.common.userhappiness.UserHappinessSignals;
+import com.android.inputmethod.compat.CompatUtils;
+
+import java.lang.reflect.Method;
+
+public class VoiceInputLoggerCompatUtils {
+    public static final String EXTRA_TEXT_REPLACED_LENGTH = "length";
+    public static final String EXTRA_BEFORE_N_BEST_CHOOSE = "before";
+    public static final String EXTRA_AFTER_N_BEST_CHOOSE = "after";
+    private static final Method METHOD_UserHappinessSignals_setHasVoiceLoggingInfo =
+            CompatUtils.getMethod(UserHappinessSignals.class, "setHasVoiceLoggingInfo",
+                    boolean.class);
+
+    public static void setHasVoiceLoggingInfoCompat(boolean hasLoggingInfo) {
+        CompatUtils.invoke(null, null, METHOD_UserHappinessSignals_setHasVoiceLoggingInfo,
+                hasLoggingInfo);
+    }
+}

java/src/com/android/inputmethod/deprecated/voice/VoiceInputLogger.java

@@ -18,6 +18,7 @@ package com.android.inputmethod.deprecated.voice;
 
 import com.android.common.speech.LoggingEvents;
 import com.android.common.userhappiness.UserHappinessSignals;
+import com.android.inputmethod.deprecated.compat.VoiceInputLoggerCompatUtils;
 
 import android.content.Context;
 import android.content.Intent;
@@ -212,13 +213,12 @@ public class VoiceInputLogger {
         setHasLoggingInfo(true);
         Intent i = newLoggingBroadcast(LoggingEvents.VoiceIme.TEXT_MODIFIED);
         i.putExtra(LoggingEvents.VoiceIme.EXTRA_TEXT_MODIFIED_LENGTH, suggestionLength);
-        i.putExtra("length", replacedPhraseLength);
+        i.putExtra(VoiceInputLoggerCompatUtils.EXTRA_TEXT_REPLACED_LENGTH, replacedPhraseLength);
         i.putExtra(LoggingEvents.VoiceIme.EXTRA_TEXT_MODIFIED_TYPE,
                 LoggingEvents.VoiceIme.TEXT_MODIFIED_TYPE_CHOOSE_SUGGESTION);
-
         i.putExtra(LoggingEvents.VoiceIme.EXTRA_N_BEST_CHOOSE_INDEX, index);
-        i.putExtra("before", before);
+        i.putExtra(VoiceInputLoggerCompatUtils.EXTRA_BEFORE_N_BEST_CHOOSE, before);
-        i.putExtra("after", after);
+        i.putExtra(VoiceInputLoggerCompatUtils.EXTRA_AFTER_N_BEST_CHOOSE, after);
         mContext.sendBroadcast(i);
     }
 
@@ -257,7 +257,7 @@ public class VoiceInputLogger {
         // 2. type subject in subject field
         // 3. speak message in message field
         // 4. press send
-        //  UserHappinessSignals.setHasVoiceLoggingInfo(hasLoggingInfo);
+        VoiceInputLoggerCompatUtils.setHasVoiceLoggingInfoCompat(hasLoggingInfo);
     }
 
     private boolean hasLoggingInfo(){

java/src/com/android/inputmethod/latin/SubtypeSwitcher.java

@@ -210,7 +210,7 @@ public class SubtypeSwitcher {
         final String newLocale;
         final String newMode;
         final String oldMode = getCurrentSubtypeMode();
-        if (newSubtype == null || newSubtype.getOriginalObject() == null) {
+        if (newSubtype == null || !newSubtype.hasOriginalObject()) {
             // Normally, newSubtype shouldn't be null. But just in case newSubtype was null,
             // fallback to the default locale.
             Log.w(TAG, "Couldn't get the current subtype.");