Support InputMethodManager#updateCursorAnchorInfo for Android 5.0

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.app.Activity;
 import android.app.SearchManager;
 import android.content.ClipboardManager;
@@ skipping 2083 matching lines @@
         getContentViewClient().onImeStateChangeRequested(false);
     }
 
     @SuppressWarnings("unused")
     @CalledByNative
     private void updateFrameInfo(
             float scrollOffsetX, float scrollOffsetY,
             float pageScaleFactor, float minPageScaleFactor, float maxPageScaleFactor,
             float contentWidth, float contentHeight,
             float viewportWidth, float viewportHeight,
-            float controlsOffsetYCss, float contentOffsetYCss) {
+            float controlsOffsetYCss, float contentOffsetYCss,
+            int frameMetadataSelectionStartType, float frameMetadataSelectionStartEdgeTopX,
+            float frameMetadataSelectionStartEdgeTopY,
+            float frameMetadataSelectionStartEdgeBottomY) {
         TraceEvent.begin("ContentViewCore:updateFrameInfo");
         // Adjust contentWidth/Height to be always at least as big as
         // the actual viewport (as set by onSizeChanged).
         final float deviceScale = mRenderCoordinates.getDeviceScaleFactor();
         contentWidth = Math.max(contentWidth,
                 mViewportWidthPix / (deviceScale * pageScaleFactor));
         contentHeight = Math.max(contentHeight,
                 mViewportHeightPix / (deviceScale * pageScaleFactor));
         final float contentOffsetYPix = mRenderCoordinates.fromDipToPix(contentOffsetYCss);
 
@@ skipping 45 matching lines @@
 
         // Update offsets for fullscreen.
         final float controlsOffsetPix = controlsOffsetYCss * deviceScale;
         // TODO(aelias): Remove last argument after downstream removes it.
         getContentViewClient().onOffsetsForFullscreenChanged(
                 controlsOffsetPix, contentOffsetYPix, 0);
 
         if (mBrowserAccessibilityManager != null) {
             mBrowserAccessibilityManager.notifyFrameInfoInitialized();
         }
+
+        if (mImeAdapter.isCursorAnchorInfoSupported()) {
+            final float scale = mRenderCoordinates.getPageScaleFactor()
+                    * mRenderCoordinates.getDeviceScaleFactor();
+            final float translationX = -mRenderCoordinates.getScrollX() * scale;
+            final float translationY = -mRenderCoordinates.getScrollY() * scale
+                    + mRenderCoordinates.getContentOffsetYPix();
+            mImeAdapter.onUpdateFrameInfo(scale, translationX, translationY,
+                    frameMetadataSelectionStartType, frameMetadataSelectionStartEdgeTopX,

[jdduke (slow), 2014/11/12 19:05:06]

Should we be plumbing this data if we don't have a cursor, i.e., the selection
is non-empty or the region is non-editable?

[yukawa, 2014/12/05 07:42:19]

Now the logic here is completely implemented in the native side.  Hence we no
longer need to forward those parameters to Java side.

+                    frameMetadataSelectionStartEdgeTopY, frameMetadataSelectionStartEdgeBottomY);
+        }
+
         TraceEvent.end("ContentViewCore:updateFrameInfo");
     }
 
     @CalledByNative
     private void updateImeAdapter(long nativeImeAdapterAndroid, int textInputType,
             int textInputFlags, String text, int selectionStart, int selectionEnd,
             int compositionStart, int compositionEnd, boolean showImeIfNeeded,
             boolean isNonImeChange) {
         TraceEvent.begin();
         mFocusedNodeEditable = (textInputType != ImeAdapter.getTextInputTypeNone());
         if (!mFocusedNodeEditable) hidePastePopup();
 
+        mImeAdapter.updateTextAndSelection(text, selectionStart, selectionEnd, compositionStart,
+                compositionEnd);
+
         mImeAdapter.updateKeyboardVisibility(
                 nativeImeAdapterAndroid, textInputType, textInputFlags, showImeIfNeeded);
 
         if (mInputConnection != null) {
             mInputConnection.updateState(text, selectionStart, selectionEnd, compositionStart,
                     compositionEnd, isNonImeChange);
         }
 
         if (mActionMode != null) mActionMode.invalidate();
         TraceEvent.end();
@@ skipping 835 matching lines @@
     private native void nativeWasResized(long nativeContentViewCoreImpl);
 
     private native void nativeSetAccessibilityEnabled(
             long nativeContentViewCoreImpl, boolean enabled);
 
     private native void nativeExtractSmartClipData(long nativeContentViewCoreImpl,
             int x, int y, int w, int h);
 
     private native void nativeSetBackgroundOpaque(long nativeContentViewCoreImpl, boolean opaque);
 }