ui/views/controls/scrollbar/scroll_bar.cc

   1 // Copyright (c) 2011 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/scroll_bar.h"
   6
   7 #include "ui/accessibility/ax_view_state.h"
   8
   9 namespace views {
  10
  11 ScrollBar::~ScrollBar() {
  12 }
  13
  14 void ScrollBar::GetAccessibleState(ui::AXViewState* state) {
  15   state->role = ui::AX_ROLE_SCROLL_BAR;
  16 }
  17
  18 bool ScrollBar::IsHorizontal() const {
  19   return is_horiz_;
  20 }
  21
  22 void ScrollBar::Update(int viewport_size, int content_size, int current_pos) {
  23   max_pos_ = std::max(0, content_size - viewport_size);
  24 }
  25
  26 int ScrollBar::GetMaxPosition() const {
  27   return max_pos_;
  28 }
  29
  30 int ScrollBar::GetMinPosition() const {
  31   return 0;
  32 }
  33
  34 int ScrollBar::GetContentOverlapSize() const {
  35   return 0;
  36 }
  37
  38 void ScrollBar::OnMouseEnteredScrollView(const ui::MouseEvent& event) {
  39 }
  40
  41 void ScrollBar::OnMouseExitedScrollView(const ui::MouseEvent& event) {
  42 }
  43
  44 ScrollBar::ScrollBar(bool is_horiz)
  45     : is_horiz_(is_horiz),
  46       controller_(NULL),
  47       max_pos_(0) {
  48 }
  49
  50 }  // namespace views