[IL107] Add an interface to access the suggestion view.

Bug: 8636060
Change-Id: I603af6bcdaa31f64aaaf916784720a133388c737

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

@@ -75,6 +75,7 @@ import com.android.inputmethod.latin.settings.Settings;
 import com.android.inputmethod.latin.settings.SettingsActivity;
 import com.android.inputmethod.latin.settings.SettingsValues;
 import com.android.inputmethod.latin.suggestions.SuggestionStripView;
+import com.android.inputmethod.latin.suggestions.SuggestionStripViewAccessor;
 import com.android.inputmethod.latin.utils.ApplicationUtils;
 import com.android.inputmethod.latin.utils.CapsModeUtils;
 import com.android.inputmethod.latin.utils.CompletionInfoUtils;
@@ -97,7 +98,7 @@ import java.util.concurrent.TimeUnit;
  * Input method implementation for Qwerty'ish keyboard.
  */
 public class LatinIME extends InputMethodService implements KeyboardActionListener,
-        SuggestionStripView.Listener,
+        SuggestionStripView.Listener, SuggestionStripViewAccessor,
         DictionaryFacilitatorForSuggest.DictionaryInitializationListener {
     private static final String TAG = LatinIME.class.getSimpleName();
     private static final boolean TRACE = false;
@@ -1306,8 +1307,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     // TODO[IL]: Move this to InputLogic and make it private
-    // Outside LatinIME, only used by the test suite.
-    @UsedForTesting
+    @Override
     public boolean isShowingPunctuationList() {
         if (mInputLogic.mSuggestedWords == null) return false;
         return mSettings.getCurrent().mSpacingAndPunctuations.mSuggestPuncList
@@ -1330,6 +1330,17 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         return currentSettings.isSuggestionsRequested();
     }
 
+    @Override
+    public boolean hasSuggestionStripView() {
+        return null != mSuggestionStripView;
+    }
+
+    @Override
+    public boolean isShowingAddToDictionaryHint() {
+        return hasSuggestionStripView() && mSuggestionStripView.isShowingAddToDictionaryHint();
+    }
+
+    @Override
     public void dismissAddToDictionaryHint() {
         if (null != mSuggestionStripView) {
             mSuggestionStripView.dismissAddToDictionaryHint();
@@ -1399,8 +1410,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         // the "add to dictionary" hint, we need to revert to suggestions - although it is unclear
         // how we can come here if it's displayed.
         if (suggestedWords.size() > 1 || typedWord.length() <= 1
-                || null == mSuggestionStripView
-                || mSuggestionStripView.isShowingAddToDictionaryHint()) {
+                || null == mSuggestionStripView || isShowingAddToDictionaryHint()) {
             return suggestedWords;
         } else {
             final SuggestedWords punctuationList =
@@ -1418,7 +1428,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         }
     }
 
-    // TODO[IL]: Define a clean interface for this
+    @Override
     public void showSuggestionStrip(final SuggestedWords sourceSuggestedWords) {
         final SuggestedWords suggestedWords =
                 sourceSuggestedWords.isEmpty() ? SuggestedWords.EMPTY : sourceSuggestedWords;
@@ -1539,6 +1549,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     // TODO[IL]: Define a clean interface for this
     // This will show either an empty suggestion strip (if prediction is enabled) or
     // punctuation suggestions (if it's disabled).
+    @Override
     public void setNeutralSuggestionStrip() {
         final SettingsValues currentSettings = mSettings.getCurrent();
         if (currentSettings.mBigramPredictionEnabled) {

java/src/com/android/inputmethod/latin/suggestions/SuggestionStripViewAccessor.java

@@ -0,0 +1,31 @@
+/*
+ * 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.inputmethod.latin.suggestions;
+
+import com.android.inputmethod.latin.SuggestedWords;
+
+/**
+ * An object that gives basic control of a suggestion strip and some info on it.
+ */
+public interface SuggestionStripViewAccessor {
+    public boolean hasSuggestionStripView();
+    public boolean isShowingAddToDictionaryHint();
+    public void dismissAddToDictionaryHint();
+    public boolean isShowingPunctuationList();
+    public void setNeutralSuggestionStrip();
+    public void showSuggestionStrip(final SuggestedWords suggestedWords);
+}