Merge "Put SuggestionSpan at commitText"

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

@@ -22,7 +22,6 @@ import android.util.Log;
 
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
-import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.List;
@@ -74,23 +73,22 @@ public class CompatUtils {
             return targetClass.getMethod(name, parameterTypes);
         } catch (SecurityException e) {
             // ignore
-            return null;
         } catch (NoSuchMethodException e) {
             // ignore
-            return null;
         }
+        return null;
     }
 
     public static Field getField(Class<?> targetClass, String name) {
+        if (targetClass == null || TextUtils.isEmpty(name)) return null;
         try {
             return targetClass.getField(name);
         } catch (SecurityException e) {
             // ignore
-            return null;
         } catch (NoSuchFieldException e) {
             // ignore
-            return null;
         }
+        return null;
     }
 
     public static Constructor<?> getConstructor(Class<?> targetClass, Class<?>[] types) {
@@ -99,11 +97,20 @@ public class CompatUtils {
             return targetClass.getConstructor(types);
         } catch (SecurityException e) {
             // ignore
-            return null;
         } catch (NoSuchMethodException e) {
             // ignore
-            return null;
         }
+        return null;
+    }
+
+    public static Object newInstance(Constructor<?> constructor, Object[] args) {
+        if (constructor == null) return null;
+        try {
+            return constructor.newInstance(args);
+        } catch (Exception e) {
+            Log.e(TAG, "Exception in newInstance: " + e.getClass().getSimpleName());
+        }
+        return null;
     }
 
     public static Object invoke(
@@ -111,39 +118,28 @@ public class CompatUtils {
         if (method == null) return defaultValue;
         try {
             return method.invoke(receiver, args);
-        } catch (IllegalArgumentException e) {
+        } catch (Exception e) {
-            Log.e(TAG, "Exception in invoke: IllegalArgumentException");
+            Log.e(TAG, "Exception in invoke: " + e.getClass().getSimpleName());
-            return defaultValue;
-        } catch (IllegalAccessException e) {
-            Log.e(TAG, "Exception in invoke: IllegalAccessException");
-            return defaultValue;
-        } catch (InvocationTargetException e) {
-            Log.e(TAG, "Exception in invoke: IllegalTargetException");
-            return defaultValue;
         }
+        return defaultValue;
     }
 
     public static Object getFieldValue(Object receiver, Object defaultValue, Field field) {
         if (field == null) return defaultValue;
         try {
             return field.get(receiver);
-        } catch (IllegalArgumentException e) {
+        } catch (Exception e) {
-            Log.e(TAG, "Exception in getFieldValue: IllegalArgumentException");
+            Log.e(TAG, "Exception in getFieldValue: " + e.getClass().getSimpleName());
-            return defaultValue;
-        } catch (IllegalAccessException e) {
-            Log.e(TAG, "Exception in getFieldValue: IllegalAccessException");
-            return defaultValue;
         }
+        return defaultValue;
     }
 
     public static void setFieldValue(Object receiver, Field field, Object value) {
         if (field == null) return;
         try {
             field.set(receiver, value);
-        } catch (IllegalArgumentException e) {
+        } catch (Exception e) {
-            Log.e(TAG, "Exception in setFieldValue: IllegalArgumentException");
+            Log.e(TAG, "Exception in setFieldValue: " + e.getClass().getSimpleName());
-        } catch (IllegalAccessException e) {
-            Log.e(TAG, "Exception in setFieldValue: IllegalAccessException");
         }
     }
 

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

@@ -18,15 +18,12 @@ package com.android.inputmethod.compat;
 
 import com.android.inputmethod.latin.EditingUtils.SelectedWord;
 
-import android.util.Log;
 import android.view.inputmethod.InputConnection;
 
 import java.lang.reflect.Constructor;
-import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 
 public class InputConnectionCompatUtils {
-    private static final String TAG = InputConnectionCompatUtils.class.getSimpleName();
     private static final Class<?> CLASS_CorrectionInfo = CompatUtils
             .getClass("android.view.inputmethod.CorrectionInfo");
     private static final Class<?>[] INPUT_TYPE_CorrectionInfo = new Class<?>[] { int.class,
@@ -53,18 +50,10 @@ public class InputConnectionCompatUtils {
             return;
         }
         Object[] args = { offset, oldText, newText };
-        try {
+        Object correctionInfo = CompatUtils.newInstance(CONSTRUCTOR_CorrectionInfo, args);
-            Object correctionInfo = CONSTRUCTOR_CorrectionInfo.newInstance(args);
+        if (correctionInfo != null) {
             CompatUtils.invoke(ic, null, METHOD_InputConnection_commitCorrection,
                     correctionInfo);
-        } catch (IllegalArgumentException e) {
-            Log.e(TAG, "Error in commitCorrection: IllegalArgumentException");
-        } catch (InstantiationException e) {
-            Log.e(TAG, "Error in commitCorrection: InstantiationException");
-        } catch (IllegalAccessException e) {
-            Log.e(TAG, "Error in commitCorrection: IllegalAccessException");
-        } catch (InvocationTargetException e) {
-            Log.e(TAG, "Error in commitCorrection: InvocationTargetException");
         }
     }
 

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

@@ -0,0 +1,64 @@
+/*
+ * 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.compat;
+
+import com.android.inputmethod.latin.SuggestedWords;
+
+import android.content.Context;
+import android.text.Spannable;
+import android.text.SpannableString;
+import android.text.Spanned;
+
+import java.lang.reflect.Constructor;
+
+public class SuggestionSpanUtils {
+    private static final Class<?> CLASS_SuggestionSpan =
+            CompatUtils.getClass("android.text.style.SuggestionSpan");
+    private static final Class<?>[] INPUT_TYPE_SuggestionSpan = new Class<?>[] {
+        Context.class, String[].class, int.class
+    };
+    private static final Constructor<?> CONSTRUCTOR_SuggestionSpan =
+            CompatUtils.getConstructor(CLASS_SuggestionSpan, INPUT_TYPE_SuggestionSpan);
+
+    public static CharSequence getTextWithSuggestionSpan(
+            Context context, CharSequence suggestion, SuggestedWords suggestedWords) {
+        if (CONSTRUCTOR_SuggestionSpan == null || suggestedWords == null
+                || suggestedWords.size() == 0) {
+            return suggestion;
+        }
+
+        final Spannable spannable;
+        if (suggestion instanceof Spannable) {
+            spannable = (Spannable) suggestion;
+        } else {
+            spannable = new SpannableString(suggestion);
+        }
+        // TODO: Use SUGGESTIONS_MAX_SIZE instead of 5.
+        final int N = Math.min(5, suggestedWords.size());
+        final String[] suggestionsArray = new String[N];
+        for (int i = 0; i < N; ++i) {
+            suggestionsArray[i] = suggestedWords.getWord(i).toString();
+        }
+        final Object[] args = {context, suggestionsArray, 0};
+        final Object ss = CompatUtils.newInstance(CONSTRUCTOR_SuggestionSpan, args);
+        if (ss == null) {
+            return suggestion;
+        }
+        spannable.setSpan(ss, 0, suggestion.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+        return spannable;
+    }
+}

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

@@ -59,6 +59,7 @@ import com.android.inputmethod.compat.InputConnectionCompatUtils;
 import com.android.inputmethod.compat.InputMethodManagerCompatWrapper;
 import com.android.inputmethod.compat.InputMethodServiceCompatWrapper;
 import com.android.inputmethod.compat.InputTypeCompatUtils;
+import com.android.inputmethod.compat.SuggestionSpanUtils;
 import com.android.inputmethod.deprecated.LanguageSwitcherProxy;
 import com.android.inputmethod.deprecated.VoiceProxy;
 import com.android.inputmethod.deprecated.recorrection.Recorrection;
@@ -1509,7 +1510,7 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
         if (mBestWord != null && mBestWord.length() > 0) {
             TextEntryState.acceptedDefault(mWord.getTypedWord(), mBestWord, separatorCode);
             mJustAccepted = true;
-            pickSuggestion(mBestWord);
+            commitBestWord(mBestWord);
             // Add the word to the auto dictionary if it's not a known word
             addToAutoAndUserBigramDictionaries(mBestWord, AutoDictionary.FREQUENCY_FOR_TYPED);
             return true;
@@ -1576,7 +1577,7 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
             mWord.reset();
         }
         mJustAccepted = true;
-        pickSuggestion(suggestion);
+        commitBestWord(suggestion);
         // Add the word to the auto dictionary if it's not a known word
         if (index == 0) {
             addToAutoAndUserBigramDictionaries(suggestion, AutoDictionary.FREQUENCY_FOR_PICKED);
@@ -1633,18 +1634,20 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
      * @param suggestion the suggestion picked by the user to be committed to
      *            the text field
      */
-    private void pickSuggestion(CharSequence suggestion) {
+    private void commitBestWord(CharSequence bestWord) {
         KeyboardSwitcher switcher = mKeyboardSwitcher;
         if (!switcher.isKeyboardAvailable())
             return;
         InputConnection ic = getCurrentInputConnection();
         if (ic != null) {
-            mVoiceProxy.rememberReplacedWord(suggestion, mSettingsValues.mWordSeparators);
+            mVoiceProxy.rememberReplacedWord(bestWord, mSettingsValues.mWordSeparators);
-            ic.commitText(suggestion, 1);
+            SuggestedWords suggestedWords = mCandidateView.getSuggestions();
+            ic.commitText(SuggestionSpanUtils.getTextWithSuggestionSpan(
+                    this, bestWord, suggestedWords), 1);
         }
-        mRecorrection.saveRecorrectionSuggestion(mWord, suggestion);
+        mRecorrection.saveRecorrectionSuggestion(mWord, bestWord);
         mHasUncommittedTypedChars = false;
-        mCommittedLength = suggestion.length();
+        mCommittedLength = bestWord.length();
     }
 
     private static final WordComposer sEmptyWordComposer = new WordComposer();