Deactivate touch selection on transform

ui/views/touchui/touch_selection_controller_impl.cc

 // Copyright (c) 2013 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 "ui/views/touchui/touch_selection_controller_impl.h"
 
 #include "base/time/time.h"
 #include "ui/aura/client/cursor_client.h"
 #include "ui/aura/env.h"
 #include "ui/aura/window.h"
@@ skipping 309 matching lines @@
     : client_view_(client_view),
       client_widget_(NULL),
       selection_handle_1_(new EditingHandleView(this,
                           client_view->GetNativeView())),
       selection_handle_2_(new EditingHandleView(this,
                           client_view->GetNativeView())),
       cursor_handle_(new EditingHandleView(this,
                      client_view->GetNativeView())),
       context_menu_(NULL),
       dragging_handle_(NULL) {
-  client_widget_ = Widget::GetTopLevelWidgetForNativeView(
-      client_view_->GetNativeView());
+  aura::Window* client_window = client_view_->GetNativeView();
+  client_window->AddObserver(this);
+  client_widget_ = Widget::GetTopLevelWidgetForNativeView(client_window);
   if (client_widget_)
     client_widget_->AddObserver(this);
   aura::Env::GetInstance()->AddPreTargetHandler(this);
 }
 
 TouchSelectionControllerImpl::~TouchSelectionControllerImpl() {
   HideContextMenu();
   aura::Env::GetInstance()->RemovePreTargetHandler(this);
   if (client_widget_)
     client_widget_->RemoveObserver(this);
+  client_view_->GetNativeView()->RemoveObserver(this);
 }
 
 void TouchSelectionControllerImpl::SelectionChanged() {
   gfx::Rect r1, r2;
   client_view_->GetSelectionEndPoints(&r1, &r2);
   gfx::Rect screen_rect_1 = ConvertToScreen(client_view_, r1);
   gfx::Rect screen_rect_2 = ConvertToScreen(client_view_, r2);
   gfx::Rect client_bounds = client_view_->GetBounds();
   if (r1.y() < client_bounds.y())
     r1.Inset(0, client_bounds.y() - r1.y(), 0, 0);
@@ skipping 150 matching lines @@
   const gfx::Point anchor(rect.CenterPoint().x(), rect.y());
   HideContextMenu();
   client_view_->OpenContextMenu(anchor);
 }
 
 void TouchSelectionControllerImpl::OnMenuClosed(TouchEditingMenuView* menu) {
   if (menu == context_menu_)
     context_menu_ = NULL;
 }
 
+void TouchSelectionControllerImpl::OnAncestorWindowTransformed(
+    aura::Window* window,
+    aura::Window* ancestor) {
+  client_view_->DestroyTouchSelection();
+}
+
 void TouchSelectionControllerImpl::OnWidgetClosing(Widget* widget) {
   DCHECK_EQ(client_widget_, widget);
   client_widget_ = NULL;
 }
 
 void TouchSelectionControllerImpl::OnWidgetBoundsChanged(
     Widget* widget,
     const gfx::Rect& new_bounds) {
   DCHECK_EQ(client_widget_, widget);
   SelectionChanged();
@@ skipping 95 matching lines @@
 
 bool TouchSelectionControllerImpl::IsSelectionHandle2Visible() {
   return selection_handle_2_->IsWidgetVisible();
 }
 
 bool TouchSelectionControllerImpl::IsCursorHandleVisible() {
   return cursor_handle_->IsWidgetVisible();
 }
 
 }  // namespace views