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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "ui/views/controls/scrollbar/base_scroll_bar_button.h"
      6 
      7 #include "base/bind.h"
      8 #include "base/bind_helpers.h"
      9 #include "ui/gfx/screen.h"
     10 
     11 namespace views {
     12 
     13 BaseScrollBarButton::BaseScrollBarButton(ButtonListener* listener)
     14     : CustomButton(listener),
     15       repeater_(base::Bind(&BaseScrollBarButton::RepeaterNotifyClick,
     16                            base::Unretained(this))) {
     17 }
     18 
     19 BaseScrollBarButton::~BaseScrollBarButton() {
     20 }
     21 
     22 bool BaseScrollBarButton::OnMousePressed(const ui::MouseEvent& event) {
     23   Button::NotifyClick(event);
     24   repeater_.Start();
     25   return true;
     26 }
     27 
     28 void BaseScrollBarButton::OnMouseReleased(const ui::MouseEvent& event) {
     29   OnMouseCaptureLost();
     30 }
     31 
     32 void BaseScrollBarButton::OnMouseCaptureLost() {
     33   repeater_.Stop();
     34 }
     35 
     36 void BaseScrollBarButton::RepeaterNotifyClick() {
     37   // TODO(sky): See if we can convert to using |Screen| everywhere.
     38   // TODO(scottmg): Native is wrong: http://crbug.com/133312
     39   gfx::Point cursor_point =
     40       gfx::Screen::GetNativeScreen()->GetCursorScreenPoint();
     41   ui::MouseEvent event(ui::ET_MOUSE_RELEASED,
     42                        cursor_point, cursor_point,
     43                        ui::EF_LEFT_MOUSE_BUTTON,
     44                        ui::EF_LEFT_MOUSE_BUTTON);
     45   Button::NotifyClick(event);
     46 }
     47 
     48 }  // namespace views
     49