Merge "Fix TTS instantiation from webview accessibility handlers." into ics-mr1

Author: narayank

core/java/android/speech/tts/TextToSpeech.java

@@ -490,6 +490,7 @@ public class Engine {
     private final Map<String, Uri> mUtterances;
     private final Bundle mParams = new Bundle();
     private final TtsEngines mEnginesHelper;
+    private final String mPackageName;
     private volatile String mCurrentEngine = null;
 
     /**
@@ -518,19 +519,36 @@ public TextToSpeech(Context context, OnInitListener listener) {
      * @param engine Package name of the TTS engine to use.
      */
     public TextToSpeech(Context context, OnInitListener listener, String engine) {
+        this(context, listener, engine, null);
+    }
+
+    /**
+     * Used by the framework to instantiate TextToSpeech objects with a supplied
+     * package name, instead of using {@link android.content.Context#getPackageName()}
+     *
+     * @hide
+     */
+    public TextToSpeech(Context context, OnInitListener listener, String engine,
+            String packageName) {
         mContext = context;
         mInitListener = listener;
         mRequestedEngine = engine;
 
         mEarcons = new HashMap<String, Uri>();
         mUtterances = new HashMap<String, Uri>();
+        mUtteranceProgressListener = null;
 
         mEnginesHelper = new TtsEngines(mContext);
+        if (packageName != null) {
+            mPackageName = packageName;
+        } else {
+            mPackageName = mContext.getPackageName();
+        }
         initTts();
     }
 
     private String getPackageName() {
-        return mContext.getPackageName();
+        return mPackageName;
     }
 
     private <R> R runActionNoReconnect(Action<R> action, R errorResult, String method) {

core/java/android/speech/tts/TextToSpeechService.java

@@ -450,23 +450,23 @@ public void stop() {
         @Override
         public void dispatchOnDone() {
             final String utteranceId = getUtteranceId();
-            if (!TextUtils.isEmpty(utteranceId)) {
+            if (utteranceId != null) {
                 mCallbacks.dispatchOnDone(getCallingApp(), utteranceId);
             }
         }
 
         @Override
         public void dispatchOnStart() {
             final String utteranceId = getUtteranceId();
-            if (!TextUtils.isEmpty(utteranceId)) {
+            if (utteranceId != null) {
                 mCallbacks.dispatchOnStart(getCallingApp(), utteranceId);
             }
         }
 
         @Override
         public void dispatchOnError() {
             final String utteranceId = getUtteranceId();
-            if (!TextUtils.isEmpty(utteranceId)) {
+            if (utteranceId != null) {
                 mCallbacks.dispatchOnError(getCallingApp(), utteranceId);
             }
         }

core/java/android/webkit/WebView.java

@@ -1306,8 +1306,15 @@ private void addAccessibilityApisToJavaScript() {
         if (AccessibilityManager.getInstance(mContext).isEnabled()
                 && getSettings().getJavaScriptEnabled()) {
             // exposing the TTS for now ...
-            mTextToSpeech = new TextToSpeech(getContext(), null);
-            addJavascriptInterface(mTextToSpeech, ALIAS_ACCESSIBILITY_JS_INTERFACE);
+            final Context ctx = getContext();
+            if (ctx != null) {
+                final String packageName = ctx.getPackageName();
+                if (packageName != null) {
+                    mTextToSpeech = new TextToSpeech(getContext(), null, null,
+                            packageName + ".**webview**");
+                    addJavascriptInterface(mTextToSpeech, ALIAS_ACCESSIBILITY_JS_INTERFACE);
+                }
+            }
         }
     }