1 files changed, 47 insertions, 0 deletions
diff --git a/chrome/views/controls/scrollbar/scroll_bar.cc b/chrome/views/controls/scrollbar/scroll_bar.cc
new file mode 100644
index 0000000..36f37ab9
--- /dev/null
+++ b/chrome/views/controls/scrollbar/scroll_bar.cc
@@ -0,0 +1,47 @@
+// Copyright (c) 2006-2008 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 "chrome/views/controls/scrollbar/scroll_bar.h"
+
+namespace views {
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// 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;
+}
+
+}  // namespace views