| // Copyright 2013 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 "ash/system/tray/fixed_sized_scroll_view.h" |
| |
| namespace ash { |
| |
| FixedSizedScrollView::FixedSizedScrollView() { |
| set_notify_enter_exit_on_child(true); |
| } |
| |
| FixedSizedScrollView::~FixedSizedScrollView() { |
| } |
| |
| void FixedSizedScrollView::SetContentsView(views::View* view) { |
| SetContents(view); |
| view->SetBoundsRect(gfx::Rect(view->GetPreferredSize())); |
| } |
| |
| void FixedSizedScrollView::SetFixedSize(const gfx::Size& size) { |
| if (fixed_size_ == size) |
| return; |
| fixed_size_ = size; |
| PreferredSizeChanged(); |
| } |
| |
| gfx::Size FixedSizedScrollView::GetPreferredSize() const { |
| gfx::Size size = fixed_size_.IsEmpty() ? |
| contents()->GetPreferredSize() : fixed_size_; |
| gfx::Insets insets = GetInsets(); |
| size.Enlarge(insets.width(), insets.height()); |
| return size; |
| } |
| |
| void FixedSizedScrollView::Layout() { |
| gfx::Rect bounds = gfx::Rect(contents()->GetPreferredSize()); |
| bounds.set_width(std::max(0, width() - GetScrollBarWidth())); |
| contents()->SetBoundsRect(bounds); |
| |
| views::ScrollView::Layout(); |
| if (!vertical_scroll_bar()->visible()) { |
| gfx::Rect bounds = contents()->bounds(); |
| bounds.set_width(bounds.width() + GetScrollBarWidth()); |
| contents()->SetBoundsRect(bounds); |
| } |
| } |
| |
| void FixedSizedScrollView::OnBoundsChanged(const gfx::Rect& previous_bounds) { |
| gfx::Rect bounds = gfx::Rect(contents()->GetPreferredSize()); |
| bounds.set_width(std::max(0, width() - GetScrollBarWidth())); |
| contents()->SetBoundsRect(bounds); |
| } |
| |
| } // namespace ash |