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/base/accessibility/accessible_view_state.h" 8 9 namespace views { 10 11 ScrollBar::~ScrollBar() { 12 } 13 14 void ScrollBar::GetAccessibleState(ui::AccessibleViewState* state) { 15 state->role = ui::AccessibilityTypes::ROLE_SCROLLBAR; 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 51
