Introduce MoreSuggestionsListener class

Bug: 8694255
Change-Id: I9420a7cb1983c6211f58d13b3b11db4347c3f99b

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

@@ -23,19 +23,28 @@ import android.graphics.drawable.Drawable;
 
 import com.android.inputmethod.keyboard.Key;
 import com.android.inputmethod.keyboard.Keyboard;
+import com.android.inputmethod.keyboard.KeyboardActionListener;
 import com.android.inputmethod.keyboard.TypefaceUtils;
 import com.android.inputmethod.keyboard.internal.KeyboardBuilder;
 import com.android.inputmethod.keyboard.internal.KeyboardIconsSet;
 import com.android.inputmethod.keyboard.internal.KeyboardParams;
 import com.android.inputmethod.latin.R;
 import com.android.inputmethod.latin.SuggestedWords;
+import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 import com.android.inputmethod.latin.Utils;
 
 public final class MoreSuggestions extends Keyboard {
     public static final int SUGGESTION_CODE_BASE = 1024;
 
-    MoreSuggestions(final MoreSuggestionsParam params) {
+    public final SuggestedWords mSuggestedWords;
+
+    public static abstract class MoreSuggestionsListener extends KeyboardActionListener.Adapter {
+        public abstract void onSuggestionSelected(final int index, final SuggestedWordInfo info);
+    }
+
+    MoreSuggestions(final MoreSuggestionsParam params, final SuggestedWords suggestedWords) {
         super(params);
+        mSuggestedWords = suggestedWords;
     }
 
     private static final class MoreSuggestionsParam extends KeyboardParams {
@@ -52,8 +61,9 @@ public final class MoreSuggestions extends Keyboard {
             super();
         }
 
-        public int layout(final SuggestedWords suggestions, final int fromPos, final int maxWidth,
+        public int layout(final SuggestedWords suggestedWords, final int fromPos,
-                final int minWidth, final int maxRow, final Paint paint, final Resources res) {
+                final int maxWidth, final int minWidth, final int maxRow, final Paint paint,
+                final Resources res) {
             clearKeys();
             mDivider = res.getDrawable(R.drawable.more_suggestions_divider);
             mDividerWidth = mDivider.getIntrinsicWidth();
@@ -61,9 +71,9 @@ public final class MoreSuggestions extends Keyboard {
 
             int row = 0;
             int pos = fromPos, rowStartPos = fromPos;
-            final int size = Math.min(suggestions.size(), SuggestionStripView.MAX_SUGGESTIONS);
+            final int size = Math.min(suggestedWords.size(), SuggestionStripView.MAX_SUGGESTIONS);
             while (pos < size) {
-                final String word = suggestions.getWord(pos);
+                final String word = suggestedWords.getWord(pos);
                 // TODO: Should take care of text x-scaling.
                 mWidths[pos] = (int)(TypefaceUtils.getLabelWidth(word, paint) + padding);
                 final int numColumn = pos - rowStartPos + 1;
@@ -163,7 +173,7 @@ public final class MoreSuggestions extends Keyboard {
 
     public static final class Builder extends KeyboardBuilder<MoreSuggestionsParam> {
         private final MoreSuggestionsView mPaneView;
-        private SuggestedWords mSuggestions;
+        private SuggestedWords mSuggestedWords;
         private int mFromPos;
         private int mToPos;
 
@@ -172,7 +182,7 @@ public final class MoreSuggestions extends Keyboard {
             mPaneView = paneView;
         }
 
-        public Builder layout(final SuggestedWords suggestions, final int fromPos,
+        public Builder layout(final SuggestedWords suggestedWords, final int fromPos,
                 final int maxWidth, final int minWidth, final int maxRow,
                 final Keyboard parentKeyboard) {
             final int xmlId = R.xml.kbd_suggestions_pane_template;
@@ -180,11 +190,11 @@ public final class MoreSuggestions extends Keyboard {
             mParams.mVerticalGap = mParams.mTopPadding = parentKeyboard.mVerticalGap / 2;
 
             mPaneView.updateKeyboardGeometry(mParams.mDefaultRowHeight);
-            final int count = mParams.layout(suggestions, fromPos, maxWidth, minWidth, maxRow,
+            final int count = mParams.layout(suggestedWords, fromPos, maxWidth, minWidth, maxRow,
                     mPaneView.newLabelPaint(null /* key */), mResources);
             mFromPos = fromPos;
             mToPos = fromPos + count;
-            mSuggestions = suggestions;
+            mSuggestedWords = suggestedWords;
             return this;
         }
 
@@ -195,8 +205,8 @@ public final class MoreSuggestions extends Keyboard {
                 final int x = params.getX(pos);
                 final int y = params.getY(pos);
                 final int width = params.getWidth(pos);
-                final String word = mSuggestions.getWord(pos).toString();
+                final String word = mSuggestedWords.getWord(pos);
-                final String info = Utils.getDebugInfo(mSuggestions, pos);
+                final String info = Utils.getDebugInfo(mSuggestedWords, pos);
                 final int index = pos + SUGGESTION_CODE_BASE;
                 final Key key = new Key(
                         params, word, info, KeyboardIconsSet.ICON_UNDEFINED, index, null, x, y,
@@ -211,7 +221,7 @@ public final class MoreSuggestions extends Keyboard {
                     params.onAddKey(divider);
                 }
             }
-            return new MoreSuggestions(params);
+            return new MoreSuggestions(params, mSuggestedWords);
         }
     }
 

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

@@ -18,15 +18,21 @@ package com.android.inputmethod.latin.suggestions;
 
 import android.content.Context;
 import android.util.AttributeSet;
+import android.util.Log;
 
+import com.android.inputmethod.keyboard.Keyboard;
 import com.android.inputmethod.keyboard.MoreKeysKeyboardView;
 import com.android.inputmethod.latin.R;
+import com.android.inputmethod.latin.SuggestedWords;
+import com.android.inputmethod.latin.suggestions.MoreSuggestions.MoreSuggestionsListener;
 
 /**
  * A view that renders a virtual {@link MoreSuggestions}. It handles rendering of keys and detecting
  * key presses and touch movements.
  */
 public final class MoreSuggestionsView extends MoreKeysKeyboardView {
+    private static final String TAG = MoreSuggestionsView.class.getSimpleName();
+
     public MoreSuggestionsView(final Context context, final AttributeSet attrs) {
         this(context, attrs, R.attr.moreSuggestionsViewStyle);
     }
@@ -54,9 +60,24 @@ public final class MoreSuggestionsView extends MoreKeysKeyboardView {
 
     @Override
     public void onCodeInput(final int code, final int x, final int y) {
-        final int index = code - MoreSuggestions.SUGGESTION_CODE_BASE;
+        final Keyboard keyboard = getKeyboard();
-        if (index >= 0 && index < SuggestionStripView.MAX_SUGGESTIONS) {
+        if (!(keyboard instanceof MoreSuggestions)) {
-            mListener.onCustomRequest(index);
+            Log.e(TAG, "Expected keyboard is MoreSuggestions, but found "
+                    + keyboard.getClass().getName());
+            return;
         }
+        final SuggestedWords suggestedWords = ((MoreSuggestions)keyboard).mSuggestedWords;
+        final int index = code - MoreSuggestions.SUGGESTION_CODE_BASE;
+        if (index < 0 || index >= suggestedWords.size()) {
+            Log.e(TAG, "Selected suggestion has an illegal index: " + index);
+            return;
+        }
+        if (!(mListener instanceof MoreSuggestionsListener)) {
+            Log.e(TAG, "Expected mListener is MoreSuggestionsListener, but found "
+                    + mListener.getClass().getName());
+            return;
+        }
+        ((MoreSuggestionsListener)mListener).onSuggestionSelected(
+                index, suggestedWords.getInfo(index));
     }
 }

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

@@ -50,7 +50,6 @@ import android.widget.RelativeLayout;
 import android.widget.TextView;
 
 import com.android.inputmethod.keyboard.Keyboard;
-import com.android.inputmethod.keyboard.KeyboardActionListener;
 import com.android.inputmethod.keyboard.KeyboardSwitcher;
 import com.android.inputmethod.keyboard.MainKeyboardView;
 import com.android.inputmethod.keyboard.MoreKeysPanel;
@@ -65,6 +64,7 @@ import com.android.inputmethod.latin.SuggestedWords;
 import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 import com.android.inputmethod.latin.Utils;
 import com.android.inputmethod.latin.define.ProductionFlag;
+import com.android.inputmethod.latin.suggestions.MoreSuggestions.MoreSuggestionsListener;
 import com.android.inputmethod.research.ResearchLogger;
 
 import java.util.ArrayList;
@@ -93,7 +93,7 @@ public final class SuggestionStripView extends RelativeLayout implements OnClick
     private final ArrayList<View> mDividers = CollectionUtils.newArrayList();
 
     Listener mListener;
-    SuggestedWords mSuggestedWords = SuggestedWords.EMPTY;
+    private SuggestedWords mSuggestedWords = SuggestedWords.EMPTY;
 
     private final SuggestionStripViewParams mParams;
     private static final float MIN_TEXT_XSCALE = 0.70f;
@@ -652,15 +652,11 @@ public final class SuggestionStripView extends RelativeLayout implements OnClick
         dismissMoreSuggestions();
     }
 
-    private final KeyboardActionListener mMoreSuggestionsListener =
+    private final MoreSuggestionsListener mMoreSuggestionsListener = new MoreSuggestionsListener() {
-            new KeyboardActionListener.Adapter() {
         @Override
-        public boolean onCustomRequest(final int requestCode) {
+        public void onSuggestionSelected(final int index, final SuggestedWordInfo wordInfo) {
-            final int index = requestCode;
-            final SuggestedWordInfo wordInfo = mSuggestedWords.getInfo(index);
             mListener.pickSuggestionManually(index, wordInfo);
             dismissMoreSuggestions();
-            return true;
         }
 
         @Override