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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "chrome/views/scroll_bar.h"
namespace ChromeViews {
/////////////////////////////////////////////////////////////////////////////
//
// ScrollBar implementation
//
/////////////////////////////////////////////////////////////////////////////
ScrollBar::ScrollBar(bool is_horiz) : is_horiz_(is_horiz),
controller_(NULL),
max_pos_(0) {
}
ScrollBar::~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;
}
}
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