Limit display of the virtual keyboard to state changes triggered from a user gesture.

ui/views/controls/textfield/native_textfield_views.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/controls/textfield/native_textfield_views.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 148 matching lines @@
 
 void NativeTextfieldViews::OnGestureEvent(ui::GestureEvent* event) {
   textfield_->OnGestureEvent(event);
   if (event->handled())
     return;
 
   switch (event->type()) {
     case ui::ET_GESTURE_TAP_DOWN:
       OnBeforeUserAction();
       textfield_->RequestFocus();
+      ShowImeIfNeeded();
       // We don't deselect if the point is in the selection
       // because TAP_DOWN may turn into a LONG_PRESS.
       if (!GetRenderText()->IsPointInSelection(event->location()) &&
           MoveCursorTo(event->location(), false))
         SchedulePaint();
       OnAfterUserAction();
       event->SetHandled();
       break;
     case ui::ET_GESTURE_SCROLL_UPDATE:
       OnBeforeUserAction();
@@ skipping 424 matching lines @@
 
 void NativeTextfieldViews::UpdateVerticalMargins() {
   int top, bottom;
   if (!textfield_->GetVerticalMargins(&top, &bottom))
     return;
   gfx::Insets inset = GetInsets();
   text_border_->SetInsets(top, inset.left(), bottom, inset.right());
   OnBoundsChanged(GetBounds());
 }
 
+void NativeTextfieldViews::ShowImeIfNeeded() const {
+  GetInputMethod()->ShowImeIfNeeded();
+}
+
 bool NativeTextfieldViews::IsIMEComposing() const {
   return model_->HasCompositionText();
 }
 
 const gfx::Range& NativeTextfieldViews::GetSelectedRange() const {
   return GetRenderText()->selection();
 }
 
 void NativeTextfieldViews::SelectRange(const gfx::Range& range) {
   model_->SelectRange(range);
@@ skipping 814 matching lines @@
       aggregated_clicks_ = (aggregated_clicks_ % 2) + 1;
     } else {
       aggregated_clicks_ = 0;
     }
     last_click_time_ = event.time_stamp();
     last_click_location_ = event.location();
   }
 }
 
 void NativeTextfieldViews::HandleMousePressEvent(const ui::MouseEvent& event) {
-  if (event.IsOnlyLeftMouseButton() || event.IsOnlyRightMouseButton())
+  if (event.IsOnlyLeftMouseButton() || event.IsOnlyRightMouseButton()) {
     textfield_->RequestFocus();
+    ShowImeIfNeeded();
+  }
 
   if (!event.IsOnlyLeftMouseButton())
     return;
 
   initiating_drag_ = false;
   bool can_drag = true;
 
   switch (aggregated_clicks_) {
     case 0:
       if (can_drag && GetRenderText()->IsPointInSelection(event.location()))
@@ skipping 60 matching lines @@
   if (index != -1) {
     obscured_reveal_timer_.Start(
         FROM_HERE,
         duration,
         base::Bind(&NativeTextfieldViews::RevealObscuredChar,
                    base::Unretained(this), -1, base::TimeDelta()));
   }
 }
 
 }  // namespace views