Focus following for the non-editable controls on web page in magnifier mode.

content/browser/renderer_host/render_view_host_impl.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/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 1205 matching lines @@
       Source<RenderViewHost>(this),
       NotificationService::NoDetails());
 }
 
 void RenderViewHostImpl::OnTakeFocus(bool reverse) {
   RenderViewHostDelegateView* view = delegate_->GetDelegateView();
   if (view)
     view->TakeFocus(reverse);
 }
 
-void RenderViewHostImpl::OnFocusedNodeChanged(bool is_editable_node) {
+void RenderViewHostImpl::OnFocusedNodeChanged(bool is_editable_node,
+                                              const gfx::Rect& node_bounds) {

[oshima, 2014/12/11 19:08:58]

ditto

[jennyz, 2014/12/12 16:11:19]

Done.

   is_focused_element_editable_ = is_editable_node;
   if (view_)
     view_->FocusedNodeChanged(is_editable_node);
 #if defined(OS_WIN)
   if (!is_editable_node && virtual_keyboard_requested_) {
     virtual_keyboard_requested_ = false;
     delegate_->SetIsVirtualKeyboardRequested(false);
     BrowserThread::PostDelayedTask(
         BrowserThread::UI, FROM_HERE,
         base::Bind(base::IgnoreResult(&DismissVirtualKeyboardTask)),
         TimeDelta::FromMilliseconds(kVirtualKeyboardDisplayWaitTimeoutMs));
   }
 #endif
-  NotificationService::current()->Notify(
-      NOTIFICATION_FOCUS_CHANGED_IN_PAGE,
-      Source<RenderViewHost>(this),
-      Details<const bool>(&is_editable_node));
+
+  // Convert node_bounds to screen coordinates.
+  gfx::Rect view_bounds_in_screen = view_->GetViewBounds();
+  gfx::Point origin = node_bounds.origin();
+  origin.Offset(view_bounds_in_screen.x(), view_bounds_in_screen.y());
+  gfx::Rect node_bounds_in_screen(origin.x(), origin.y(), node_bounds.width(),
+                                  node_bounds.height());
+  FocusedNodeDetails details = {is_editable_node, node_bounds_in_screen};
+  NotificationService::current()->Notify(NOTIFICATION_FOCUS_CHANGED_IN_PAGE,
+                                         Source<RenderViewHost>(this),
+                                         Details<FocusedNodeDetails>(&details));
 }
 
 void RenderViewHostImpl::OnUserGesture() {
   delegate_->OnUserGesture();
 }
 
 void RenderViewHostImpl::OnClosePageACK() {
   decrement_in_flight_event_count();
   ClosePageIgnoringUnloadEvents();
 }
@@ skipping 230 matching lines @@
   FrameTree* frame_tree = delegate_->GetFrameTree();
 
   frame_tree->ResetForMainFrameSwap();
 }
 
 void RenderViewHostImpl::SelectWordAroundCaret() {
   Send(new ViewMsg_SelectWordAroundCaret(GetRoutingID()));
 }
 
 }  // namespace content