Patch 5: Implemented android message filter and platform.

chrome/android/java/src/org/chromium/chrome/browser/spellchecker/SpellCheckerSessionBridge.java

Index: chrome/android/java/src/org/chromium/chrome/browser/spellchecker/SpellCheckerSessionBridge.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/spellchecker/SpellCheckerSessionBridge.java b/chrome/android/java/src/org/chromium/chrome/browser/spellchecker/SpellCheckerSessionBridge.java
new file mode 100644
index 0000000000000000000000000000000000000000..18802c8c6a7941e74836e20b95db89e963d97ad8
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/spellchecker/SpellCheckerSessionBridge.java
@@ -0,0 +1,112 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.browser.spellchecker;
+
+import android.content.Context;
+import android.os.Handler;
+import android.os.Looper;
+import android.view.textservice.SentenceSuggestionsInfo;
+import android.view.textservice.SpellCheckerSession;
+import android.view.textservice.SuggestionsInfo;
+import android.view.textservice.TextInfo;
+import android.view.textservice.TextServicesManager;
+
+import org.chromium.base.ApplicationStatus;
+import org.chromium.base.annotations.CalledByNative;
+import org.chromium.base.annotations.JNINamespace;
+
+import java.util.ArrayList;
+import java.util.Locale;
+
+/**
+* JNI interface for spellcheck_platform_android to use Android's spellchecker.
+*/
+@JNINamespace("spellcheck_platform")
+public class SpellCheckerSessionBridge implements SpellCheckerSession.SpellCheckerSessionListener {
+
+    private SpellCheckerSession mSpellCheckerSession;
+
+    private String mText;
+    public SpellCheckerSessionBridge() {
+
+        Context context = ApplicationStatus.getApplicationContext();
+        final TextServicesManager textServicesManager =
+                (TextServicesManager) context.getSystemService(
+                Context.TEXT_SERVICES_MANAGER_SERVICE);
+
+        Handler handler = new Handler(Looper.getMainLooper());
+        System.out.println("DYLANKING In Ctor1");
+        handler.post(new Runnable() {
+            @Override
+            public void run() {
+                mSpellCheckerSession = textServicesManager.newSpellCheckerSession(null,
+                        Locale.ENGLISH, SpellCheckerSessionBridge.this, true);
+                System.out.println("DYLANKING In Run" + (mSpellCheckerSession == null));
+            }
+        });
+    }
+
+    @CalledByNative
+    private static SpellCheckerSessionBridge create() {
+        return new SpellCheckerSessionBridge();
+    }
+
+    @CalledByNative
+    private void checkSpelling(String text) {
+        mSpellCheckerSession.getSentenceSuggestions(new TextInfo[]{ new TextInfo(text)}, 5);
+        System.out.println("DYLANKING checkSpelling on word: " + text);
+        mText = text;
+    }
+
+    @Override
+    public void onGetSentenceSuggestions(SentenceSuggestionsInfo[] results) {
+        System.out.println("DYLANKING top of onGetSentenceSuggestions");
+        ArrayList<String> suggestions = new ArrayList<String>();
+        ArrayList<Integer> offsets = new ArrayList<Integer>();
+        ArrayList<Integer> lengths = new ArrayList<Integer>();
+
+        for (SentenceSuggestionsInfo result: results) {
+            System.out.println("DYLANKING OnGetSuggestions Text: " + text + " length: "
+                    + text.length());
+            for (int i = 0; i < result.getSuggestionsCount(); i++) {
+                SuggestionsInfo currentSuggestion = result.getSuggestionsInfoAt(i);
+                boolean isWordCorrect = (currentSuggestion.getSuggestionsAttributes()
+                        & SuggestionsInfo.RESULT_ATTR_LOOKS_LIKE_TYPO) == 0;
+                int currOffset = result.getOffsetAt(i);
+                int currLength = result.getLengthAt(i);
+                if (!isWordCorrect) {
+                    offsets.add(result.getOffsetAt(i));
+                    lengths.add(result.getLengthAt(i));
+                    System.out.println("DYLANKING offset: " + result.getOffsetAt(i)
+                            + " length: " + result.getLengthAt(i));
+
+                    for (int j = 0; j < currentSuggestion.getSuggestionsCount(); j++) {
+                        suggestions.add(currentSuggestion.getSuggestionAt(j));
+                    }
+                }
+            }
+        }
+
+        nativeGetSpellcheckInfo(suggestions.toArray(new String[suggestions.size()]),
+                                convertListToArray(offsets), convertListToArray(lengths));
+        System.out.println("DYLANKING bottom of onGetSentenceSuggestions");
+    }
+
+    private int[] convertListToArray(ArrayList<Integer> toConvert) {
+        int[] toReturn = new int[toConvert.size()];
+        int index = 0;
+        for (Integer number : toConvert) {
+            toReturn[index++] = number.intValue();
+        }
+        return toReturn;
+    }
+
+    @Override
+    public void onGetSuggestions(SuggestionsInfo[] results) {
+    }
+
+    private native void nativeGetSpellcheckInfo(String[] nativeSuggestions, int[] offsets,
+            int[] lengths);
+}