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// Copyright (c) 2010 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 "views/controls/scrollbar/scroll_bar.h"
#include "base/logging.h"
#include "ui/base/accessibility/accessible_view_state.h"
namespace views {
/////////////////////////////////////////////////////////////////////////////
//
// ScrollBar implementation
//
/////////////////////////////////////////////////////////////////////////////
ScrollBar::ScrollBar(bool is_horiz) : is_horiz_(is_horiz),
controller_(NULL),
max_pos_(0) {
}
ScrollBar::~ScrollBar() {
}
void ScrollBar::GetAccessibleState(ui::AccessibleViewState* state) {
state->role = ui::AccessibilityTypes::ROLE_SCROLLBAR;
}
bool ScrollBar::IsHorizontal() const {
return is_horiz_;
}
void ScrollBar::SetController(ScrollBarController* controller) {
controller_ = controller;
}
ScrollBarController* ScrollBar::GetController() const {
return controller_;
}
void ScrollBar::Update(int viewport_size, int content_size, int current_pos) {
max_pos_ = std::max(0, content_size - viewport_size);
}
int ScrollBar::GetMaxPosition() const {
return max_pos_;
}
int ScrollBar::GetMinPosition() const {
return 0;
}
} // namespace views
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