Add support for Android spellcheck menu in Chrome/WebViews

content/public/android/java/src/org/chromium/content/browser/input/ImeAdapter.java

Index: content/public/android/java/src/org/chromium/content/browser/input/ImeAdapter.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/input/ImeAdapter.java b/content/public/android/java/src/org/chromium/content/browser/input/ImeAdapter.java
index 0dc13ed95d8e0d83b6b02969c7c76234bcb62276..1dd32e30fbee8c11348f8ce1ce23692ddc739625 100644
--- a/content/public/android/java/src/org/chromium/content/browser/input/ImeAdapter.java
+++ b/content/public/android/java/src/org/chromium/content/browser/input/ImeAdapter.java
@@ -34,6 +34,7 @@ import org.chromium.base.annotations.JNINamespace;
 import org.chromium.blink_public.web.WebInputEventModifier;
 import org.chromium.blink_public.web.WebInputEventType;
 import org.chromium.blink_public.web.WebTextInputMode;
+import org.chromium.content.browser.RenderCoordinates;
 import org.chromium.content.browser.ViewUtils;
 import org.chromium.content.browser.picker.InputDialogContainer;
 import org.chromium.content_public.browser.ImeEventObserver;
@@ -84,6 +85,7 @@ public class ImeAdapter {
 
     private final WebContents mWebContents;
     private View mContainerView;
+    private final RenderCoordinates mRenderCoordinates;
 
     // This holds the information necessary for constructing CursorAnchorInfo, and notifies to
     // InputMethodManager on appropriate timing, depending on how IME requested the information
@@ -91,6 +93,8 @@ public class ImeAdapter {
     // re-created, the monitoring status will be reset.
     private final CursorAnchorInfoController mCursorAnchorInfoController;
 
+    private SuggestionsPopupWindow mSuggestionsPopupWindow;
+
     private final List<ImeEventObserver> mEventObservers = new ArrayList<>();
 
     private int mTextInputType = TextInputType.NONE;
@@ -147,12 +151,14 @@ public class ImeAdapter {
      * @param containerView {@link View} instance which input events are posted on.
      * @param wrapper InputMethodManagerWrapper that should receive all the call directed to
      *                InputMethodManager.
+     * @param renderCoordinates Coordinates info used to position elements.
      */
-    public ImeAdapter(
-            WebContents webContents, View containerView, InputMethodManagerWrapper wrapper) {
+    public ImeAdapter(WebContents webContents, View containerView,
+            InputMethodManagerWrapper wrapper, RenderCoordinates renderCoordinates) {
         mWebContents = webContents;
         mContainerView = containerView;
         mInputMethodManagerWrapper = wrapper;
+        mRenderCoordinates = renderCoordinates;
 
         // Deep copy newConfig so that we can notice the difference.
         mCurrentConfig = new Configuration(mContainerView.getResources().getConfiguration());
@@ -898,6 +904,47 @@ public class ImeAdapter {
         resetAndHideKeyboard();
     }
 
+    public void hidePopups() {
+        if (mSuggestionsPopupWindow != null && mSuggestionsPopupWindow.isShowing()) {
+            mSuggestionsPopupWindow.dismiss();
+            suggestionMenuClosed();
+        }
+    }
+
+    @CalledByNative
+    private void showSpellCheckSuggestionMenu(
+            double caretX, double caretY, String markedText, String[] suggestions) {
+        if (mSuggestionsPopupWindow == null) {
+            mSuggestionsPopupWindow =
+                    new SuggestionsPopupWindow(mInputMethodManagerWrapper.getContext(), this,
+                            mContainerView, mCursorAnchorInfoController);
+        }
+
+        mSuggestionsPopupWindow.setHighlightedText(markedText);
+        mSuggestionsPopupWindow.setSpellCheckSuggestions(suggestions);
+        mSuggestionsPopupWindow.show(caretX, caretY);
+    }
+
+    public float getContentOffsetYPix() {
+        return mRenderCoordinates.getContentOffsetYPix();
+    }
+
+    public void applySpellCheckSuggestion(String suggestion) {
+        nativeApplySpellCheckSuggestion(mNativeImeAdapterAndroid, suggestion);
+    }
+
+    public void deleteActiveSuggestionRange() {
+        nativeDeleteActiveSuggestionRange(mNativeImeAdapterAndroid);
+    }
+
+    public void newWordAddedToDictionary(String word) {
+        nativeNewWordAddedToDictionary(mNativeImeAdapterAndroid, word);
+    }
+
+    public void suggestionMenuClosed() {
+        nativeSuggestionMenuClosed(mNativeImeAdapterAndroid);
+    }
+
     private native long nativeInit(WebContents webContents);
     private native boolean nativeSendKeyEvent(long nativeImeAdapterAndroid, KeyEvent event,
             int type, int modifiers, long timestampMs, int keyCode, int scanCode,
@@ -920,4 +967,9 @@ public class ImeAdapter {
     private native boolean nativeRequestTextInputStateUpdate(long nativeImeAdapterAndroid);
     private native void nativeRequestCursorUpdate(long nativeImeAdapterAndroid,
             boolean immediateRequest, boolean monitorRequest);
+    private native void nativeApplySpellCheckSuggestion(
+            long nativeImeAdapterAndroid, String suggestion);
+    private native void nativeDeleteActiveSuggestionRange(long nativeImeAdapterAndroid);
+    private native void nativeNewWordAddedToDictionary(long nativeImeAdapterAndroid, String word);
+    private native void nativeSuggestionMenuClosed(long nativeImeAdapterAndroid);
 }