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/events/event_utils.h"
  10 #include "ui/gfx/screen.h"
  11
  12 namespace views {
  13
  14 BaseScrollBarButton::BaseScrollBarButton(ButtonListener* listener)
  15     : CustomButton(listener),
  16       repeater_(base::Bind(&BaseScrollBarButton::RepeaterNotifyClick,
  17                            base::Unretained(this))) {
  18 }
  19
  20 BaseScrollBarButton::~BaseScrollBarButton() {
  21 }
  22
  23 bool BaseScrollBarButton::OnMousePressed(const ui::MouseEvent& event) {
  24   Button::NotifyClick(event);
  25   repeater_.Start();
  26   return true;
  27 }
  28
  29 void BaseScrollBarButton::OnMouseReleased(const ui::MouseEvent& event) {
  30   OnMouseCaptureLost();
  31 }
  32
  33 void BaseScrollBarButton::OnMouseCaptureLost() {
  34   repeater_.Stop();
  35 }
  36
  37 void BaseScrollBarButton::RepeaterNotifyClick() {
  38   // TODO(sky): See if we can convert to using |Screen| everywhere.
  39   // TODO(scottmg): Native is wrong: http://crbug.com/133312
  40   gfx::Point cursor_point =
  41       gfx::Screen::GetNativeScreen()->GetCursorScreenPoint();
  42   ui::MouseEvent event(ui::ET_MOUSE_RELEASED, cursor_point, cursor_point,
  43                        ui::EventTimeForNow(), ui::EF_LEFT_MOUSE_BUTTON,
  44                        ui::EF_LEFT_MOUSE_BUTTON);
  45   Button::NotifyClick(event);
  46 }
  47
  48 }  // namespace views