root/ui/views/controls/scrollbar/base_scroll_bar_button.cc

DEFINITIONS

1. repeater_
2. OnMousePressed
3. OnMouseReleased
4. OnMouseCaptureLost
5. RepeaterNotifyClick

// Copyright (c) 2012 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/scrollbar/base_scroll_bar_button.h"

#include "base/bind.h"
#include "base/bind_helpers.h"
#include "ui/gfx/screen.h"

namespace views {

BaseScrollBarButton::BaseScrollBarButton(ButtonListener* listener)
    : CustomButton(listener),
      repeater_(base::Bind(&BaseScrollBarButton::RepeaterNotifyClick,
                           base::Unretained(this))) {
}

BaseScrollBarButton::~BaseScrollBarButton() {
}

bool BaseScrollBarButton::OnMousePressed(const ui::MouseEvent& event) {
  Button::NotifyClick(event);
  repeater_.Start();
  return true;
}

void BaseScrollBarButton::OnMouseReleased(const ui::MouseEvent& event) {
  OnMouseCaptureLost();
}

void BaseScrollBarButton::OnMouseCaptureLost() {
  repeater_.Stop();
}

void BaseScrollBarButton::RepeaterNotifyClick() {
  // TODO(sky): See if we can convert to using |Screen| everywhere.
  // TODO(scottmg): Native is wrong: http://crbug.com/133312
  gfx::Point cursor_point =
      gfx::Screen::GetNativeScreen()->GetCursorScreenPoint();
  ui::MouseEvent event(ui::ET_MOUSE_RELEASED,
                       cursor_point, cursor_point,
                       ui::EF_LEFT_MOUSE_BUTTON,
                       ui::EF_LEFT_MOUSE_BUTTON);
  Button::NotifyClick(event);
}

}  // namespace views