Support InputMethodManager#updateCursorAnchorInfo for Android 5.0

content/browser/renderer_host/ime_adapter_android.cc

 // Copyright (c) 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.
 
 #include "content/browser/renderer_host/ime_adapter_android.h"
 
 #include <algorithm>
 #include <android/input.h>
 #include <vector>
 
 #include "base/android/jni_android.h"
+#include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/feature_list.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "content/browser/frame_host/frame_tree.h"
 #include "content/browser/frame_host/frame_tree_node.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
@@ skipping 237 matching lines @@
     int start,
     int end) {
   RenderFrameHost* rfh = GetFocusedFrame();
   if (!rfh)
     return;
 
   rfh->Send(new FrameMsg_SetEditableSelectionOffsets(rfh->GetRoutingID(),
                                                      start, end));
 }
 
+void ImeAdapterAndroid::SetCharacterBounds(
+    const std::vector<gfx::RectF>& character_bounds) {
+  JNIEnv* env = AttachCurrentThread();
+  base::android::ScopedJavaLocalRef<jobject> obj = java_ime_adapter_.get(env);
+  if (obj.is_null())
+    return;
+
+  const size_t coordinates_array_size = character_bounds.size() * 4;
+  scoped_ptr<float[]> coordinates_array(new float[coordinates_array_size]);
+  for (size_t i = 0; i < character_bounds.size(); ++i) {
+    const gfx::RectF& rect = character_bounds[i];
+    const size_t coordinates_array_index = i * 4;
+    coordinates_array[coordinates_array_index + 0] = rect.x();
+    coordinates_array[coordinates_array_index + 1] = rect.y();
+    coordinates_array[coordinates_array_index + 2] = rect.right();
+    coordinates_array[coordinates_array_index + 3] = rect.bottom();
+  }
+  Java_ImeAdapter_setCharacterBounds(
+      env,
+      obj.obj(),
+      base::android::ToJavaFloatArray(env,
+                                      coordinates_array.get(),
+                                      coordinates_array_size).obj());
+}
+
 void ImeAdapterAndroid::SetComposingRegion(JNIEnv*,
                                            const JavaParamRef<jobject>&,
                                            int start,
                                            int end) {
   RenderFrameHost* rfh = GetFocusedFrame();
   if (!rfh)
     return;
 
   std::vector<blink::WebCompositionUnderline> underlines;
   underlines.push_back(blink::WebCompositionUnderline(
@@ skipping 60 matching lines @@
 }
 
 WebContents* ImeAdapterAndroid::GetWebContents() {
   RenderWidgetHostImpl* rwh = GetRenderWidgetHostImpl();
   if (!rwh)
     return nullptr;
   return WebContents::FromRenderViewHost(RenderViewHost::From(rwh));
 }
 
 }  // namespace content