Use input method to control visibility of virtual keyboard

views/ime/input_method_base.cc

 // Copyright (c) 2011 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 "views/ime/input_method_base.h"
+#include "views/ime/text_input_type_tracker.h"
 #include "views/view.h"
 #include "views/widget/widget.h"
 
 #include "base/logging.h"
 
 namespace views {
 
 InputMethodBase::InputMethodBase()
     : delegate_(NULL),
       widget_(NULL),
@@ skipping 24 matching lines @@
 
   widget_ = widget;
   View* focused = widget->GetFocusManager()->GetFocusedView();
   if (focused)
     FocusWillChange(NULL, focused);
   widget->GetFocusManager()->AddFocusChangeListener(this);
 }
 
 void InputMethodBase::OnFocus() {
   widget_focused_ = true;
+  TextInputTypeTracker::GetInstance()->OnTextInputTypeChanged(
+      GetTextInputType(), widget_);
 }
 
 void InputMethodBase::OnBlur() {
   widget_focused_ = false;
+  TextInputTypeTracker::GetInstance()->OnTextInputTypeChanged(
+      GetTextInputType(), widget_);
+}
+
+void InputMethodBase::OnTextInputTypeChanged(View* view) {
+  if (IsViewFocused(view)) {
+    TextInputTypeTracker::GetInstance()->OnTextInputTypeChanged(
+        GetTextInputType(), widget_);
+  }
 }
 
 TextInputClient* InputMethodBase::GetTextInputClient() const {
   return (widget_focused_ && focused_view_) ?
       focused_view_->GetTextInputClient() : NULL;
 }
 
 ui::TextInputType InputMethodBase::GetTextInputType() const {
   TextInputClient* client = GetTextInputClient();
   return client ? client->GetTextInputType() : ui::TEXT_INPUT_TYPE_NONE;
 }
 
 void InputMethodBase::FocusWillChange(View* focused_before, View* focused) {
   DCHECK_EQ(focused_view_, focused_before);
   FocusedViewWillChange();
   focused_view_ = focused;
   FocusedViewDidChange();
+
+  if (widget_focused_) {
+    TextInputTypeTracker::GetInstance()->OnTextInputTypeChanged(
+        GetTextInputType(), widget_);
+  }
 }
 
 bool InputMethodBase::IsViewFocused(View* view) const {
   return widget_focused_ && view && focused_view_ == view;
 }
 
 bool InputMethodBase::IsTextInputTypeNone() const {
   return GetTextInputType() == ui::TEXT_INPUT_TYPE_NONE;
 }
 
@@ skipping 23 matching lines @@
   return true;
 }
 
 void InputMethodBase::FocusedViewWillChange() {
 }
 
 void InputMethodBase::FocusedViewDidChange() {
 }
 
 }  // namespace views