Add support for Android spellcheck menu in Chrome/WebViews

content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java

 // Copyright 2012 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.content.browser;
 
 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.app.assist.AssistStructure.ViewNode;
 import android.content.Context;
@@ skipping 30 matching lines @@
 import org.chromium.content.browser.accessibility.WebContentsAccessibility;
 import org.chromium.content.browser.accessibility.captioning.CaptioningBridgeFactory;
 import org.chromium.content.browser.accessibility.captioning.SystemCaptioningBridge;
 import org.chromium.content.browser.accessibility.captioning.TextTrackSettings;
 import org.chromium.content.browser.input.ImeAdapter;
 import org.chromium.content.browser.input.InputMethodManagerWrapper;
 import org.chromium.content.browser.input.SelectPopup;
 import org.chromium.content.browser.input.SelectPopupDialog;
 import org.chromium.content.browser.input.SelectPopupDropdown;
 import org.chromium.content.browser.input.SelectPopupItem;
+import org.chromium.content.browser.input.TextSuggestionHost;
 import org.chromium.content_public.browser.AccessibilitySnapshotCallback;
 import org.chromium.content_public.browser.AccessibilitySnapshotNode;
 import org.chromium.content_public.browser.ActionModeCallbackHelper;
 import org.chromium.content_public.browser.GestureStateListener;
 import org.chromium.content_public.browser.ImeEventObserver;
 import org.chromium.content_public.browser.WebContents;
 import org.chromium.content_public.browser.WebContentsObserver;
 import org.chromium.device.gamepad.GamepadList;
 import org.chromium.ui.base.DeviceFormFactor;
 import org.chromium.ui.base.EventForwarder;
@@ skipping 150 matching lines @@
     private final ObserverList<GestureStateListener> mGestureStateListeners;
     private final RewindableIterator<GestureStateListener> mGestureStateListenersIterator;
 
     private PopupZoomer mPopupZoomer;
     private SelectPopup mSelectPopup;
     private long mNativeSelectPopupSourceFrame;
 
     // Only valid when focused on a text / password field.
     private ImeAdapter mImeAdapter;
 
+    private TextSuggestionHost mTextSuggestionHost;
+
     // Size of the viewport in physical pixels as set from onSizeChanged.
     private int mViewportWidthPix;
     private int mViewportHeightPix;
     private int mTopControlsHeightPix;
     private int mBottomControlsHeightPix;
     private boolean mTopControlsShrinkBlinkSize;
 
     // Cached copy of all positions and scales as reported by the renderer.
     private final RenderCoordinates mRenderCoordinates;
 
@@ skipping 131 matching lines @@
     @VisibleForTesting
     public SelectionPopupController getSelectionPopupControllerForTesting() {
         return mSelectionPopupController;
     }
 
     @VisibleForTesting
     public void setSelectionPopupControllerForTesting(SelectionPopupController actionMode) {
         mSelectionPopupController = actionMode;
     }
 
+    /**
+     * @return The TextSuggestionHost that handles displaying the text suggestion menu.
+     */
+    @VisibleForTesting
+    public TextSuggestionHost getTextSuggestionHostForTesting() {
+        return mTextSuggestionHost;
+    }
+
+    @VisibleForTesting
+    public void setTextSuggestionHostForTesting(TextSuggestionHost textSuggestionHost) {
+        mTextSuggestionHost = textSuggestionHost;
+    }
+
     @Override
     public void addWindowAndroidChangedObserver(WindowAndroidChangedObserver observer) {
         mWindowAndroidChangedObservers.addObserver(observer);
     }
 
     @Override
     public void removeWindowAndroidChangedObserver(WindowAndroidChangedObserver observer) {
         mWindowAndroidChangedObservers.removeObserver(observer);
     }
 
@@ skipping 70 matching lines @@
 
         mNativeContentViewCore = nativeInit(webContents, mViewAndroidDelegate, windowNativePointer,
                 dipScale, mRetainedJavaScriptObjects);
         mWebContents = nativeGetWebContentsAndroid(mNativeContentViewCore);
 
         setContainerViewInternals(internalDispatcher);
 
         initPopupZoomer(mContext);
         mImeAdapter = new ImeAdapter(
                 mWebContents, mContainerView, new InputMethodManagerWrapper(mContext));
+        mTextSuggestionHost = new TextSuggestionHost(
+                mContext, mWebContents, mContainerView, this, mRenderCoordinates);
         mImeAdapter.addEventObserver(this);
 
         mSelectionPopupController = new SelectionPopupController(
                 mContext, windowAndroid, webContents, mContainerView, mRenderCoordinates);
         mSelectionPopupController.setCallback(ActionModeCallbackHelper.EMPTY_CALLBACK);
         mSelectionPopupController.setContainerView(mContainerView);
 
         mWebContentsObserver = new ContentViewWebContentsObserver(this);
 
         mShouldRequestUnbufferedDispatch = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP
@@ skipping 511 matching lines @@
         assert mWebContents != null;
         hidePopupsAndPreserveSelection();
         mWebContents.onHide();
     }
 
     private void hidePopupsAndClearSelection() {
         mSelectionPopupController.destroyActionModeAndUnselect();
         destroyPastePopup();
         hideSelectPopupWithCancelMessage();
         mPopupZoomer.hide(false);
+        mTextSuggestionHost.hidePopups();
         if (mWebContents != null) mWebContents.dismissTextHandles();
     }
 
     @CalledByNative
     private void hidePopupsAndPreserveSelection() {
         mSelectionPopupController.destroyActionModeAndKeepSelection();
         destroyPastePopup();
         hideSelectPopupWithCancelMessage();
         mPopupZoomer.hide(false);
+        mTextSuggestionHost.hidePopups();
     }
 
     private void restoreSelectionPopupsIfNecessary() {
         mSelectionPopupController.restoreSelectionPopupsIfNecessary();
     }
 
     /**
      * Hide action mode and put into destroyed state.
      */
     public void destroySelectActionMode() {
@@ skipping 1121 matching lines @@
     @Override
     public void onRotationChanged(int rotation) {
         // ActionMode#invalidate() won't be able to re-layout the floating
         // action mode menu items according to the new rotation. So Chrome
         // has to re-create the action mode.
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
                 && mSelectionPopupController.isActionModeValid()) {
             hidePopupsAndPreserveSelection();
             showSelectActionMode();
         }
+        mTextSuggestionHost.hidePopups();
 
         int rotationDegrees = 0;
         switch (rotation) {
             case Surface.ROTATION_0:
                 rotationDegrees = 0;
                 break;
             case Surface.ROTATION_90:
                 rotationDegrees = 90;
                 break;
             case Surface.ROTATION_180:
@@ skipping 137 matching lines @@
 
     private native void nativeWasResized(long nativeContentViewCore);
 
     private native void nativeSetTextTrackSettings(long nativeContentViewCore,
             boolean textTracksEnabled, String textTrackBackgroundColor, String textTrackFontFamily,
             String textTrackFontStyle, String textTrackFontVariant, String textTrackTextColor,
             String textTrackTextShadow, String textTrackTextSize);
 
     private native void nativeSetBackgroundOpaque(long nativeContentViewCore, boolean opaque);
 }