ui/views/controls/scrollbar/base_scroll_bar_button.cc

   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